CN217247439U - Cyclone for coal mill hot blast pipe - Google Patents

Abstract

The utility model relates to a cyclone technical field especially relates to a cyclone for coal mill hot-blast pipe, and its technical scheme includes: the drain pan, there is the top shell drain pan top through mounting bracket fixed mounting, the drain pan outer wall is the embedding of annular array and installs four row's material pipes, four arrange the relative one side fixed mounting of material pipe and have the second communicating pipe, second communicating pipe outer wall top fixed mounting has the flitch down, top shell top intercommunication is installed first communicating pipe, there is the rain-proof body first communicating pipe top through support frame fixed mounting. The utility model provides a problem that the inconvenient clearance even of the clearance of inside dirt particle of current whirlwind section of thick bamboo.

Description

Cyclone for coal mill hot-blast pipe

Technical Field

The utility model relates to a cyclone technical field specifically is a cyclone for coal pulverizer hot-blast pipe.

Background

Cyclone and cyclone get into the barrel with dusty air current by the tangential, along the spiral downwardly rotating of inner wall, the dust is got rid of to the wall under the effect of centrifugal force to fall into the ash bucket under the effect of gravity, and the gas after the purification is discharged by the central line pipe, is used for in cement manufacture and some mills that produce the dust easily usually.

A large number of searches show that: chinese utility model patent: the application number [ CN201320845557.6 ], publication number [ CN203642674U ], the utility model discloses a whirlwind section of circular truncated cone shape inner tube, include by whirlwind section of thick bamboo column, be fixed in the whirlwind section of thick bamboo cone of the frustum shape of whirlwind section of thick bamboo column below and be fixed in the barrel that the whirlwind section of thick bamboo back taper section of the obconical of whirlwind section below constitutes, the air-supply line is fixed in and forms volute structure on the whirlwind section of thick bamboo column along clockwise or anticlockwise winding, and its winding angle is 270, sets up in the air outlet below and is located the inner tube that the circular truncated cone shape was installed in the whirlwind section of thick bamboo cone, the inner tube sets up for whirlwind section of thick bamboo cone off-centre. The outer edge of the circular truncated cone of the inner cylinder plays a role in flow guiding, gas-solid two-phase flow can rotate along the outer diameter of the cyclone cylinder body, the area of an airflow inlet can be increased due to the increase of the diameter of the air inlet, the reduction of airflow inlet amount caused by eccentricity is compensated, the speed of airflow entering the air outlet can be increased due to the circular truncated cone-shaped structure, and the improvement of gas-solid separation efficiency in the cyclone cylinder is facilitated.

However, when the cyclone is used, more dust particles can be attached to the interior of the existing cyclone when the existing cyclone is used for a long time, the common cyclone is inconvenient to clean the dust particles in the interior and even can not be cleaned, some dust particles can enter the air flow again in the air flow flowing process, the effect of filtering the dust-containing air flow is poor, impurities attached to the wall of the cyclone can corrode the wall of the cyclone, the cyclone is inconvenient to use for a long time, and therefore the problem is solved by the cyclone for the coal grinding hot air pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal grinds cyclone for hot-blast pipe possesses the advantage of conveniently clearing up the interior dirt particle of cyclone, has solved the inconvenient problem that can't clear up even of clearance of current cyclone to inside dirt particle.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cyclone for coal pulverizer hot-blast pipe, includes the drain pan, there is a shell at the drain pan top through mounting bracket fixed mounting, the drain pan outer wall is the annular array embedding and installs four row material pipes, four arrange the relative one side fixed mounting of material pipe and have second communicating pipe, second communicating pipe outer wall top fixed mounting has down the flitch, first communicating pipe is installed to top shell top intercommunication, there is the rain-proof body first communicating pipe top is through support frame fixed mounting.

Preferably, the bottom end of the bottom shell is sleeved with a sealing sleeve through a clamp, and positioning rods are embedded into the wall of the sealing sleeve in an annular array. Through the sealing sleeve installed by the hoop, the bottom shell and the coal mill hot air pipe can be communicated and installed when the coal mill hot air pipe is used, and the sealing sleeve is kept vertical through the positioning rod arranged in the sealing sleeve.

Preferably, a glass cover is embedded into the mounting frame, and the upper end and the lower end of the glass cover are fixedly connected with the bottom end of the top shell and the top end of the bottom shell respectively. Through the glass cover, the storage condition below the blanking plate can be known through the glass cover when the blanking device is used.

Preferably, four one ends of the discharge pipes, which are far away from the bottom shell, are respectively provided with a sealing cover in a threaded manner. By arranging the sealing cover on the discharging pipe, the discharging pipe can be sealed when the dust particle discharging operation is carried out.

Preferably, the inner wall of the top shell is provided with spiral grains, and the top shell is communicated with the bottom shell through a second communicating pipe. Make drain pan and top shell intercommunication through the second communicating pipe to conveniently carry out the exhaust operation.

Preferably, the blanking plate adopts an inverted cone structure design, and the inner side of the blanking plate is provided with blanking holes in an annular array. Through setting up blanking hole to make the dust particle in the exhaust gas accessible blanking hole fall to row material pipe and glass cover inboard.

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

the utility model discloses a arrange the material pipe to arrange the material pipe and be annular array and install on the drain pan outer wall and separate the inside top of drain pan and inside below through the second communicating pipe, and through installing the lower flitch on the second communicating pipe, the dirt particle that falls down when making gas outgoing falls to glass cover and arrange the material intraductally through the unloading hole on the lower flitch, thereby make the dirt particle discharge from arranging the material intraductally through opening sealed lid, reached the effect of conveniently clearing up dirt particle in the whirlwind section of thick bamboo.

Drawings

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

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is an enlarged view of FIG. 2;

fig. 4 is a schematic view of the top case of the present invention showing a top cross-sectional structure.

In the figure: 1. clamping a hoop; 2. a sealing cover; 3. a discharge pipe; 4. a mounting frame; 5. a top shell; 6. a rain shield body; 7. a first communication pipe; 8. a glass cover; 9. a bottom case; 10. a sealing sleeve; 11. a second communicating pipe; 12. a blanking plate; 13. a support frame; 14. positioning a rod; 15. and (7) discharging holes.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Example one

Referring to fig. 1 to 4, the present invention provides an embodiment of: the utility model provides a coal grinds cyclone for hot-blast main, includes drain pan 9, and there is top shell 5 drain pan 9 top through 4 fixed mounting of mounting bracket, and the glass cover 8 is installed to the embedding in mounting bracket 4, both ends respectively with top shell 5 bottom and drain pan 9 top fixed connection about the glass cover 8. The glass cover 8 is arranged, so that the storage condition below the blanking plate 12 can be known through the glass cover 8 when in use. Drain pan 9 outer wall is four row's material pipes 3 that are the embedding of annular array and installs, and four are arranged material pipe 3 and keep away from the one end of drain pan 9 and respectively threaded mounting has sealed lid 2. By providing the sealing cover 2 on the discharge pipe 3, the discharge pipe 3 can be sealed when performing a dust particle discharging operation. The opposite sides of the four discharging pipes 3 are fixedly provided with a second communicating pipe 11, and the top end of the outer wall of the second communicating pipe 11 is fixedly provided with a blanking plate 12. The blanking plate 12 is designed to be of an inverted cone structure, and the inner side of the blanking plate 12 is provided with blanking holes 15 in an annular array. By providing the blanking hole 15, dust particles in the exhaust gas can fall through the blanking hole 15 to the inside of the discharge pipe 3 and the glass cover 8. Arrange material pipe 3 through setting up, and will arrange material pipe 3 and be annular array and install on drain pan 9 outer wall and separate drain pan 9 inside top and inside below through second communicating pipe 11, and through installing lower flitch 12 on second communicating pipe 11, the dirt particle that falls when making gas discharge falls to glass cover 8 and arrange material pipe 3 in through blanking hole 15 on flitch 12 down, thereby discharge in arranging material pipe 3 through opening sealed lid 2 messenger dirt particle, thereby reached the effect of conveniently clearing up the interior dirt particle of cyclone.

Example two

Referring to fig. 1 to 4, the present invention provides an embodiment of: compared with the first embodiment, the cyclone cylinder for the coal mill hot air pipe further comprises a bottom shell 9, a sealing sleeve 10 is sleeved at the bottom end of the bottom shell 9 through a hoop 1, and positioning rods 14 are embedded in the wall of the sealing sleeve 10 in an annular array. The sealing sleeve 10 installed through the hoop 1 can enable the bottom shell 9 and the coal-fired hot air pipe to be communicated and installed when in use, and the sealing sleeve 10 is kept vertical through a positioning rod 14 arranged in the sealing sleeve 10. The top of the bottom shell 9 is fixedly provided with a top shell 5 through an installation frame 4, the inner wall of the top shell 5 is provided with spiral grains, and the top shell 5 is communicated with the bottom shell 9 through a second communicating pipe 11. Bottom case 9 is communicated with top case 5 through second communication pipe 11, thereby facilitating the exhausting operation. First communicating pipe 7 is installed in top 5 top intercommunications of top shell, and support frame 13 fixed mounting is passed through at 7 tops of first communicating pipe has rain shield body 6.

The working principle is as follows: the utility model discloses during the use, install drain pan 9 at the exhaust end of coal pulverizer hot-blast main through seal cover 10, gas is rotatory in getting into top shell 5 through second communicating pipe 11 during the use to make the dirt particle in the gas fall to lower feed plate 12 top and from the unloading hole 15 on lower feed plate 12 fall to arrange material pipe 3 and glass cover 8 in, see through glass cover 8 when operating personnel and observe the material stock condition after, the accessible is opened sealed lid 2 and is discharged through arranging the dirt particle that material pipe 3 will persist.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a coal grinds cyclone for hot-blast main, includes drain pan (9), its characterized in that: drain pan (9) top has top shell (5) through mounting bracket (4) fixed mounting, drain pan (9) outer wall is the annular array embedding and installs four row material pipes (3), four it has second communicating pipe (11) to arrange the relative one side fixed mounting of material pipe (3), second communicating pipe (11) outer wall top fixed mounting has down flitch (12), top shell (5) top intercommunication is installed first communicating pipe (7), there is rain fender body (6) at first communicating pipe (7) top through support frame (13) fixed mounting.

2. The cyclone for the coal-milling hot blast pipe according to claim 1, wherein: the bottom end of the bottom shell (9) is sleeved with a sealing sleeve (10) through a hoop (1), and positioning rods (14) are embedded into the wall of the sealing sleeve (10) in an annular array.

3. The cyclone for the coal-milling hot blast pipe according to claim 1, wherein: the glass cover (8) is embedded into the mounting frame (4), and the upper end and the lower end of the glass cover (8) are fixedly connected with the bottom end of the top shell (5) and the top end of the bottom shell (9) respectively.

4. The cyclone for the coal-milling hot blast pipe according to claim 1, wherein: four arrange material pipe (3) and keep away from the one end of drain pan (9) and threaded installation respectively has sealed lid (2).

5. The cyclone for the coal-milling hot blast pipe according to claim 1, wherein: the inner wall of the top shell (5) is provided with spiral grains, and the top shell (5) is communicated with the bottom shell (9) through a second communicating pipe (11).

6. The cyclone for the coal-milling hot blast pipe according to claim 1, wherein: the blanking plate (12) is designed to be of an inverted cone-shaped structure, and blanking holes (15) are formed in the inner side of the blanking plate (12) in an annular array.

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