CN212402607U

CN212402607U - Novel anti-blocking blanking pipe

Info

Publication number: CN212402607U
Application number: CN202020623889.XU
Authority: CN
Inventors: 曹政; 杨松川; 刘西亮; 宁华兵
Original assignee: Shandong Yinhan Water Treatment Technology Co ltd
Current assignee: Shandong Yinhan Water Treatment Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-01-26
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a novel prevent stifled blanking pipe, including connecing the material pipe, the top side that connects the material pipe is provided with ejection of compact interface, the row's material pipe is arranged to the top side fixedly connected with of connecing the material pipe, the top side of arranging the material pipe is provided with the branch pipe, branch pipe fixedly connected with broadcast coal tuyere, and the inboard of broadcast coal tuyere embedding branch pipe, the first air duct of one side fixedly connected with of branch pipe is kept away from to the broadcast coal tuyere, one side fixedly connected with that the broadcast coal tuyere was kept away from to first air duct is windy. The utility model discloses in, make the large granule dust powder that contains in the leading-in air of air-blower detach through the filtration of water, then, the water after being filtered gets into bellows through the air pipe connection on the closing cap and second air duct in, then gas in the bellows blows in branch pipe and discharge pipe through first air duct and coal-playing tuyere, gas forms the air cushion in arranging the material intraductal under the effect of coal-playing tuyere simultaneously, make materials such as coal can not the direct contact pipe wall, closed and jam problem have been eliminated fundamentally.

Description

Novel anti-blocking blanking pipe

Technical Field

The utility model relates to a similar blanking system such as boiler stokehold coal breakage pipe prevents stifled technical field, especially relates to novel prevent stifled blanking pipe.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy;

with the gradual exhaustion and deterioration of coal resources and the requirement of environmental protection, a large amount of inferior fuels such as sludge, coal slime and the like begin to be used in many coal-fired boilers at present, but the conditions of poor coal quality, especially the conditions of reduced granularity, increased moisture, increased viscosity and the like are not considered in the original coal dropping pipe design, frequent blockage is a common phenomenon, the load of the boiler is unstable, and the stability of a generator set is seriously influenced.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a novel anti-blocking blanking pipe.

In order to achieve the above purpose, the utility model adopts the following technical scheme: novel prevent stifled blanking pipe, including receiving the material pipe, the top side of receiving the material pipe is provided with ejection of compact interface, the row's material pipe of top side fixedly connected with of receiving the material pipe, the top side of arranging the material pipe is provided with the branch pipe, branch pipe fixedly connected with broadcast coal tuyere, and the inboard of broadcast coal tuyere embedding branch pipe, the first air duct of one side fixedly connected with of branch pipe is kept away from to the broadcast coal tuyere, one side fixedly connected with bellows of broadcast coal tuyere is kept away from to first air duct, the bottom side fixedly connected with second air duct of bellows, one side that bellows was kept away from to the second air duct is provided with the gas filter box.

As a further description of the above technical solution:

the discharge pipe and the branch pipe are arranged obliquely downwards.

As a further description of the above technical solution:

the coal-spreading tuyere is arranged in a prismoid with a big top and a small bottom.

As a further description of the above technical solution:

the inner side of the air filtering box is provided with a water storage bin.

As a further description of the above technical solution:

the lateral wall top side fixedly connected with air-blower of gas filtering box, the gas vent department fixedly connected with air supply pipe of air-blower, and the inside wall that the air supply pipe runs through gas filtering box extends to the interior bottom side in water storage storehouse, one side fixedly connected with check valve that the air supply pipe is close to the water storage storehouse.

As a further description of the above technical solution:

one side that the top side of straining the case corresponds the water storage storehouse rotates and is connected with the closing cap, the common threaded connection of closing cap and straining the case has fixed hand wheel.

As a further description of the above technical solution:

the top side of the sealing cover is provided with an air pipe connector, the air pipe connector is in threaded connection with the second air guide pipe, and the bottom side of the air pipe connector is fixedly connected with a filter screen.

The utility model discloses following beneficial effect has:

1. the novel anti-blocking blanking pipe is characterized in that coal enters a vertical material receiving pipe through a discharging port, a piston effect moving downwards is formed when the coal falls continuously, a downward pulling effect is generated on air, so that the force of updraft is weakened, meanwhile, the air blower guides external air into water in a water storage bin of an air filtering box through an air supply pipe, in the process, a one-way valve can avoid the situation that water flows back, large particle dust powder contained in the air guided by the air blower is removed through filtering of the water, then, the filtered water enters the air box through an air pipe port on a sealing cover and a second air guide pipe, then, the air in the air box is blown into a branch pipe and a material discharging pipe through a first air guide pipe and a coal feeding air nozzle, meanwhile, an air cushion is formed in the material discharging pipe under the action of the coal feeding air nozzle, and the like materials can not directly contact with a pipe wall, the shut down and plugging problems are fundamentally eliminated.

2. This novel prevent stifled blanking pipe, the device simple structure, equipment are convenient, can design blanking pipe angle, air current nozzle angle according to scene actual conditions is nimble, also can be at any time according to size, the operating mode of material volume, the amount of wind and the pressure head that the adjustment air-blower was bloied at any time, and labour saving and time saving adjusts in a flexible way, has thoroughly improved the stability of blanking.

Drawings

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

FIG. 2 is a schematic view of the structure of the air filtering box of the present invention;

fig. 3 is the schematic structural diagram of the coal-feeding tuyere of the utility model.

Illustration of the drawings: 1. a material receiving pipe; 2. a discharge port; 3. a discharge pipe; 4. a branch pipe; 5. a coal-feeding tuyere; 6. a first air duct; 7. an air box; 8. a second air duct; 9. a gas filtering box; 10. a water storage bin; 11. a blower; 12. a gas supply pipe; 13. a one-way valve; 14. sealing the cover; 15. a tracheal tube interface; 16. filtering with a screen; 17. and fixing the hand wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: novel prevent stifled blanking pipe, including receiving pipe 1, the top side of receiving pipe 1 is provided with ejection of compact interface 2, the row's of material pipe 3 is arranged to the top side fixedly connected with of receiving pipe 1, the top side of arranging material pipe 3 is provided with

branch pipe

4, 4 fixedly connected with coal charging tuyere 5 of branch pipe, and the inboard of 5 embedding branch pipes 4 of coal charging tuyere, the first air duct 6 of one side fixedly connected with of branch pipe 4 is kept away from to coal charging tuyere 5, one side fixedly connected with bellows 7 of coal charging tuyere 5 is kept away from to first air duct 6, the bottom side fixedly connected with second air duct 8 of bellows 7, one side that bellows 7 was kept away from to second air duct 8 is provided with air filter box 9.

The discharge pipe 3 and the branch pipe 4 are arranged obliquely downwards, so that air can form an air cushion in the discharge pipe 3 through the coal-spreading air nozzle 5; the coal-spreading blast nozzle 5 is arranged in a frustum pyramid shape with a large upper part and a small lower part, so that air can be conveniently and directionally blown on the inner wall of the discharge pipe 3; the inner side of the air filtering box 9 is provided with a water storage bin 10 for storing water conveniently; the top side of the outer side wall of the air filtering box 9 is fixedly connected with an air blower 11, an air outlet of the air blower 11 is fixedly connected with an air supply pipe 12, the air supply pipe 12 penetrates through the inner side wall of the air filtering box 9 and extends to the inner bottom side of the water storage bin 10, and one side of the air supply pipe 12, which is close to the water storage bin 10, is fixedly connected with a one-way valve 13, so that outside air can be conveniently guided into the water storage bin 10; a sealing cover 14 is rotatably connected to one side, corresponding to the water storage bin 10, of the top side of the gas filtering box 9, and a fixed hand wheel 17 is in threaded connection with the sealing cover 14 and the gas filtering box 9 together, so that the water storage bin 10 can be cleaned conveniently; the top side of closing cap 14 is provided with trachea interface 15, and threaded connection between trachea interface 15 and the second air duct 8, and the bottom side fixedly connected with filter screen 16 of trachea interface 15 is convenient for derive the air after the filtration, and filter screen 16 can avoid the impurity on the surface of water to splash into in the trachea interface 15 simultaneously.

The working principle is as follows: when the novel anti-blocking blanking pipe is used, coal enters the vertical material receiving pipe 1 through the discharging port 2, a piston effect moving downwards is formed when the coal falls continuously, a downward pulling effect is generated on air, so that the force of ascending air flow is weakened, meanwhile, air from the outside is led into water in the water storage bin 10 of the air filtering box 9 through the air supply pipe 12 by the air blower 11, in the process, the one-way valve 13 can avoid the situation that water flows back, large particle dust powder contained in the air led in by the air blower 11 is removed through the filtration of the water, then the filtered water enters the air box 7 through the air pipe port 15 and the second air pipe 8 on the sealing cover 14, then the air in the air box 7 is blown into the branch pipe 4 and the discharging pipe 3 through the first air pipe 6 and the coal spreading air nozzle 5, and simultaneously the air forms an air cushion in the discharging pipe 3 under the action of the coal spreading air nozzle 5, so that the materials such as coal and the like can not directly contact the pipe wall, the problems of closing and blocking are fundamentally eliminated, and certain practicability is achieved.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. Novel prevent stifled blanking pipe, including connecing material pipe (1), its characterized in that: connect the top side of material pipe (1) to be provided with ejection of compact interface (2), the row of material pipe (3) of top side fixedly connected with of material pipe (1), the top side of arranging material pipe (3) is provided with branch pipe (4), branch pipe (4) fixedly connected with coal charging tuyere (5), and the inboard of coal charging tuyere (5) embedding branch pipe (4), the first air duct (6) of one side fixedly connected with of branch pipe (4) are kept away from in coal charging tuyere (5), one side fixedly connected with bellows (7) of coal charging tuyere (5) are kept away from in first air duct (6), bottom side fixedly connected with second air duct (8) of bellows (7), one side that bellows (7) were kept away from in second air duct (8) is provided with gas filter box (9).

2. The novel anti-blocking blanking pipe of claim 1, characterized in that: the discharge pipe (3) and the branch pipe (4) are both arranged obliquely downwards.

3. The novel anti-blocking blanking pipe of claim 1, characterized in that: the coal-feeding tuyere (5) is arranged in a prismoid with a big top and a small bottom.

4. The novel anti-blocking blanking pipe of claim 1, characterized in that: the inner side of the air filtering box (9) is provided with a water storage bin (10).

5. The novel anti-blocking blanking pipe of claim 1, characterized in that: the lateral wall top side fixedly connected with air-blower (11) of gas filtering box (9), the gas vent department fixedly connected with air supply pipe (12) of air-blower (11), and air supply pipe (12) run through the inside wall of gas filtering box (9) and extend to the interior bottom side in water storage storehouse (10), one side fixedly connected with check valve (13) that air supply pipe (12) are close to water storage storehouse (10).

6. The novel anti-blocking blanking pipe of claim 1, characterized in that: the top side of the air filtering box (9) corresponds to one side of the water storage bin (10) and is rotatably connected with a sealing cover (14), and the sealing cover (14) and the air filtering box (9) are in threaded connection with a fixed hand wheel (17) together.

7. The novel anti-blocking blanking pipe of claim 6, characterized in that: the top side of the sealing cover (14) is provided with an air pipe connector (15), the air pipe connector (15) is in threaded connection with the second air guide pipe (8), and the bottom side of the air pipe connector (15) is fixedly connected with a filter screen (16).