CN215140856U

CN215140856U - Settling chamber

Info

Publication number: CN215140856U
Application number: CN202121162090.6U
Authority: CN
Inventors: 赵晶丽; 杜平; 赵武魁
Original assignee: Shanxi Zhuoyue Cement Co ltd
Current assignee: Shanxi Zhuoyue Cement Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-14
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a settling chamber, including the coal pulverizer, hopper under the top fixedly connected with of coal pulverizer, the top fixedly connected with connector of hopper down, one side fixedly connected with biography trachea of hopper down, the one end fixedly connected with setting tank of biography trachea. The utility model discloses a settling chamber has enlarged the dusty air current flow cross sectional area and has made air velocity greatly reduced, make the grog granule subside in the action of gravity unloading is intraductal, carry out the deposit of dust in the air current, through increasing awl ash bucket, change the direction of motion of air current, increase dust granule inertial collision effect, the wearing and tearing of grog fine particle to high temperature tuber pipe and coal-injection pipe have effectively been alleviated, avoid high temperature grog farine to bring the potential safety hazard, reduce the wearing and tearing to tuber pipe and coal-injection pipe, the ash increases in avoiding the buggy, the buggy quality has been influenced, the unstable problem of thermal technology system has been caused.

Description

Settling chamber

Technical Field

The utility model relates to a technical field of cement processing especially relates to a settling chamber.

Background

The cement is a powdery hydraulic inorganic cementing material, is added with water and stirred into slurry, can be hardened in the air or in water, and can firmly bond sand, stone and other materials together, the early mixture of lime and volcanic ash is very similar to the modern lime and volcanic ash cement, and the concrete made of broken stone by using the cement not only has higher strength but also can resist the erosion of fresh water or salt-containing water after being cured.

In general cement production, hot air at the inlet of a coal mill system is generally extracted from a middle temperature section of a grate cooler, and because the hot air entering the coal mill by the grate cooler still contains a large amount of high-temperature clinker fine powder, the hot air not only brings potential safety hazards to the coal mill production, but also aggravates the abrasion to an air pipe and a coal injection pipe, simultaneously causes the increase of ash in coal powder, influences the quality of coal powder, causes the instability of a thermal system, and has low production efficiency, and therefore, a settling chamber is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a settling chamber.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a settling chamber comprises a coal mill, wherein a blanking hopper is fixedly connected to the top of the coal mill, a connector is fixedly connected to the top of the blanking hopper, a gas transmission pipe is fixedly connected to one side of the blanking hopper, a settling box is fixedly connected to one end of the gas transmission pipe, a settling chamber is arranged in the settling box, a gas inlet pipe is fixedly connected to one side of the settling box, one end of the gas inlet pipe is communicated with the settling chamber, a rotating shaft is rotatably connected to the inner wall of the settling chamber, a conical ash hopper is fixedly connected to one side of the rotating shaft, a blanking pipe is fixedly connected to the bottom of the settling box, an exhaust pipe is fixedly connected to the bottom of the blanking pipe, a first flap valve and a second flap valve are respectively and fixedly connected to two sides of the blanking pipe, baffles are fixedly connected to output shafts of the first flap valve and the second flap valve, and are rotatably connected to the inside of the blanking pipe, the bottom of the coal mill is fixedly connected with a supporting mechanism.

Preferably, the supporting mechanism comprises a bottom box fixedly connected to the bottom of the coal mill, and supporting plates are fixedly connected to two sides of the bottom box.

Preferably, the bottom of the exhaust pipe is fixedly connected with a fixed box, and the fixed box is fixedly connected to one side of the bottom of the coal mill.

Preferably, the top of the settling tank is fixedly connected with a bracket, and the gas transmission pipe is fixedly connected to one side of the bracket.

Preferably, reinforcing plates are fixedly connected to the bottom box and the two supporting plates.

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

1. through the cooperation of the sedimentation box, the sedimentation chamber, the blanking pipe and other parts, the airflow speed is greatly reduced by enlarging the flow section area of the dusty airflow through the sedimentation chamber, so that clinker particles are settled in the blanking pipe under the action of gravity to settle dust in the airflow.

2. The cooperation of parts such as sending and awl ash bucket is turned over through first flap valve, second and is used, through increasing awl ash bucket, changes the direction of motion of air current, increases dust granule inertia collision effect, when the current distance of dusty air current is prolonged through the unloading pipe, makes the air current movement track mild, reduces the inside resistance of deposit room, through first flap valve box second flap valve, strengthens the lock wind effect.

To sum up, the utility model discloses a settling chamber has enlarged the flow cross section area with dusty air current and has made air velocity greatly reduced, make the grog granule subside in the action of gravity unloading is intraductal, carry out the precipitation of dust in the air current, through increasing awl ash bucket, change the direction of motion of air current, increase dust granule inertial collision effect, the wearing and tearing of grog fine particle to high temperature tuber pipe and coal-injection pipe have effectively been alleviated, avoid high temperature grog farine to bring the potential safety hazard, reduce the wearing and tearing to tuber pipe and coal-injection pipe, the ash increases in avoiding the buggy, the buggy quality has been influenced, the unstable problem of thermal technology system has been caused.

Drawings

Fig. 1 is an overall structural view of a settling chamber provided by the present invention;

fig. 2 is a structural diagram of a settling chamber and a connecting part of the settling chamber provided by the utility model;

fig. 3 is an internal structure diagram of a settling chamber and a connecting component of the settling chamber provided by the utility model;

fig. 4 is a structure view of a rotating shaft fixed connection cone ash bucket of a settling chamber.

In the figure: 1. the device comprises a connector, a hopper 2, a settling tank 3, an air inlet pipe 4, an exhaust pipe 5, a fixed tank 6, a bottom tank 7, a supporting plate 8, a coal mill 9, an air delivery pipe 10, a settling chamber 11, a first flap valve 12, a second flap valve 13, a discharging pipe 14, a rotating shaft 15, a baffle 16 and a cone ash hopper 17.

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.

Referring to fig. 1-4, a settling chamber, including the coal mill 9, the coal mill 9 is vertical coal mill, be used for cement processing production, hopper 2 under the top fixedly connected with of coal mill 9, be used for the ash that produces in the production process, go on through awl ash bucket 17, the direction of motion of air current has been changed, increase dust particle inertial collision effect, and when extension dusty air current is current, make the air current movement track mild, reduce the interior resistance of settling chamber, the top fixedly connected with connector 1 of hopper 2 down, be used for connecting supporting raw materials conveying mechanism, one side fixedly connected with of hopper 2 passes trachea 10 down, be used for connecting supporting grate cooler, send steam into the inside of coal mill 9, the processing of cement is used.

In the utility model, one end of the gas transmission pipe 10 is fixedly connected with a settling box 3, the size of the settling box 3 is 3500mm long, 2300mm wide and 3000mm high, a conical ash bucket is arranged at the lower part, the height of the ash bucket is 1490mm, the top of the settling box 3 is fixedly connected with a bracket, the gas transmission pipe 10 is fixedly connected with one side of the bracket, a settling chamber 11 is arranged in the settling box 3, one side of the settling box 3 is fixedly connected with a gas inlet pipe 4, one end of the gas inlet pipe 4 is communicated with the settling chamber 11, when hot air passes through the settling chamber 11, the wind speed can be reduced from 14m/s to 2.29m/s, collected dust can enter a cold machine grate through a discharging pipe 14, a rotating shaft 15 is rotatably connected on the inner wall of the settling chamber 11, one side of the rotating shaft 15 is fixedly connected with a conical ash bucket 17, the conical ash bucket 17 is a steel plate with the inclination of 45 degrees, the settling effect of clinker fine particles is improved, mullite wear-resistant castable with the thickness of 150mm is poured into the settling chamber 11, and the abrasion of the fine particles of the high-temperature clinker on the shell of the settling chamber 11 is relieved.

The utility model discloses in, the bottom fixedly connected with unloading pipe 14 of settling tank 3 for discharge the dust of collecting in the deposit room 11, unloading pipe 14's bottom fixedly connected with blast pipe 5 for the heat in the hot-blast air of discharging, the fixed case 6 of bottom fixedly connected with of blast pipe 5, fixed case 6 fixed connection is in bottom one side of coal mill 9, and the inside of fixed case 6 links to each other with the supporting air exhauster of outside, discharges the heat.

The utility model discloses in, the first flap valve 12 of fixedly connected with and second flap valve 13 are distinguished to the both sides of unloading pipe 14, and first flap valve 12 and second flap valve 13 all are connected with outside supporting parts, control through control switch, and the equal fixedly connected with baffle 16 of output shaft of first flap valve 12 and second flap valve 13, two baffles 16 all rotate to be connected in unloading pipe 14, rotate through baffle 16 that first flap valve 12 and second flap valve 13 drive inside correspondence, and then adjust the hot-blast of seeing off unloading pipe 14, improve the lock wind effect in the unloading pipe 14.

The utility model discloses in, the bottom fixedly connected with supporting mechanism of coal mill 9, supporting mechanism includes bottom case 7 of fixed connection in coal mill 9 bottom, be used for supporting coal mill 9, carry out the shock attenuation of coal mill 9 during operation, the equal fixedly connected with backup pad 8 in bottom both sides of bottom case 7, be used for consolidating bottom case 7 from both sides, improve bottom case 7's shock attenuation effect, equal fixedly connected with gusset plate on bottom case 7 and two backup pads 8, be used for consolidating bottom case 7 and two backup pads 8, play reinforced (rfd) effect to the shock attenuation of coal mill 9 during operation.

The utility model discloses in, at cement manufacture, when using the coal mill 9, in the air outlet on the cold machine of the supporting grate of outside inserts the coal mill 9 through intake pipe 4, behind the dusty air current entering deposit room 11, make air velocity greatly reduced owing to enlarged flow section area, make the grog granule subside to unloading pipe 14 at the action of gravity, through starting first flap valve 12 and second flap valve 13, with the rotor plate at unloading pipe 14 internal rotation, through the awl ash bucket 17 in the deposit room 11, baffle 16 has changed the air current direction of motion, and increase dust granule inertial collision effect, when prolonging the current distance of dusty air current simultaneously, make the air current movement track mild, reduce 11 internal resistance in deposit room, and through first flap valve 12 and second flap valve 13, strengthen the lock wind effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A settling chamber comprising a coal mill (9), characterized in that: the top of the coal mill (9) is fixedly connected with a blanking hopper (2), the top of the blanking hopper (2) is fixedly connected with a connector (1), one side of the blanking hopper (2) is fixedly connected with a gas transmission pipe (10), one end of the gas transmission pipe (10) is fixedly connected with a settling chamber (3), a settling chamber (11) is arranged in the settling chamber (3), one side of the settling chamber (3) is fixedly connected with a gas inlet pipe (4), one end of the gas inlet pipe (4) is communicated with the settling chamber (11), the inner wall of the settling chamber (11) is rotatably connected with a rotating shaft (15), one side of the rotating shaft (15) is fixedly connected with a cone ash hopper (17), the bottom of the settling chamber (3) is fixedly connected with a blanking pipe (14), the bottom of the blanking pipe (14) is fixedly connected with an exhaust pipe (5), two sides of the blanking pipe (14) are respectively fixedly connected with a first flap valve (12) and a second flap valve (13), the output shafts of the first flap valve (12) and the second flap valve (13) are fixedly connected with baffle plates (16), the two baffle plates (16) are rotatably connected in the feeding pipe (14), and the bottom of the coal mill (9) is fixedly connected with a supporting mechanism.

2. A settling chamber as claimed in claim 1, wherein: the supporting mechanism comprises a bottom box (7) fixedly connected to the bottom of the coal mill (9), and supporting plates (8) are fixedly connected to two sides of the bottom box (7).

3. A settling chamber as claimed in claim 1, wherein: the bottom of exhaust pipe (5) is fixedly connected with fixed case (6), fixed case (6) fixed connection is in the bottom one side of coal mill (9).

4. A settling chamber as claimed in claim 1, wherein: the top of the settling tank (3) is fixedly connected with a support, and the gas transmission pipe (10) is fixedly connected to one side of the support.

5. A settling chamber as claimed in claim 2, wherein: and reinforcing plates are fixedly connected to the bottom box (7) and the two supporting plates (8).