CN211328881U

CN211328881U - Steel mill waste heat steam reheating boiler

Info

Publication number: CN211328881U
Application number: CN201922024271.1U
Authority: CN
Inventors: 田解放; 王淑芬; 王永伟; 王子洋
Original assignee: Rizhao Lanshan Jiayi Thermal Power Co ltd
Current assignee: Rizhao Lanshan Jiayi Thermal Power Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-25
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a steel mill exhaust-heat steam reheating boiler, including boiler body, boiler body's lower extreme fixedly connected with supporting seat, the processing case is installed in boiler body's left side, the last lateral wall left end fixedly connected with intake pipe of processing case, the last lateral wall right-hand member fixedly connected with outlet duct of processing case, the outlet duct communicates with boiler body mutually, the upper end fixedly connected with motor of processing case, the output of motor is equipped with rabbling mechanism. The utility model discloses a set up rabbling mechanism, cooperate first driving medium and second driving medium, can drive first stirring leaf and second stirring leaf simultaneously and rotate to mix along vertical and horizontal direction. The solution is fully reacted, and pollution gas containing S, N element is removed to the maximum extent.

Description

Steel mill waste heat steam reheating boiler

Technical Field

The utility model relates to a steel mill waste heat utilization technology field especially relates to a steel mill waste heat steam reheating boiler.

Background

The steel industry is one of the largest industrial departments of energy consumption, and the energy consumption of the sintering process accounts for about 10 percent of the total energy consumption in the steel production process, is only next to the iron-making process and is positioned the second place. The waste heat resource in the sintering process mainly comprises two parts: sensible heat of the sintered ore from the cooler, i.e., the cooling offgas, and sensible heat of the sintering offgas from the sintering machine, i.e., the sintering offgas.

Steel mill among the prior art can produce sintering waste gas, not only has recycle gas in the waste gas and contain polluted gas such as S, N element in addition, owing to contain polluted gas, the mode that directly discharges is adopted mostly to the mill, so not only the polluted environment, the resource has been wasted in addition, and a lot of mills can adopt the method of going out S, N element to recycle, directly adopt chemical method to carry out the reaction and deposit, can have the not abundant condition of reaction inadequately to influence the heating of boiler.

To this end, we propose a steel mill exhaust heat steam reheating boiler to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a steel mill waste heat steam reheating boiler.

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

the utility model provides a steel mill exhaust-heat steam reheating boiler, includes boiler body, boiler body's lower extreme fixedly connected with supporting seat, the case is handled to the left side of boiler body is installed, the last lateral wall left end fixedly connected with intake pipe of handling the case, the last lateral wall right-hand member fixedly connected with outlet duct of handling the case, the outlet duct communicates with boiler body mutually, the upper end fixedly connected with motor of handling the case, the output of motor is equipped with rabbling mechanism.

Preferably, rabbling mechanism include with the coaxial fixed connection's of output (mixing) shaft of motor, be equipped with the cavity in the lateral wall of processing case, the (mixing) shaft runs through to the cavity, sealing connection between (mixing) shaft and the processing bottom of the case lateral wall, the cavity bottom is located the left and right sides wall of processing case and all rotates and connect first pivot, it is connected with the second pivot to handle the sealed rotation in the lateral wall about the case, be connected through first driving medium transmission between (mixing) shaft and two first pivots, two first pivot is connected through second driving medium transmission between respectively and two second pivots, can dismantle on the (mixing) shaft and be connected with the first stirring leaf of polylith, two the part that the second pivot is located the processing incasement all can be dismantled and be connected with the second stirring leaf.

Preferably, the first transmission piece comprises two first belt pulleys fixedly connected coaxially with the part of the stirring shaft located in the cavity, two second belt pulleys fixedly connected coaxially with the first rotating shaft, and the two first belt pulleys and the two second belt pulleys are connected in a belt transmission mode.

Preferably, the second transmission part comprises first bevel gears coaxially and fixedly connected with the two first rotating shafts, second bevel gears coaxially and fixedly connected with the parts, located in the cavity, of the two second rotating shafts, and the two first bevel gears are respectively meshed with the two second bevel gears.

Preferably, one end of the first stirring blade, which is close to the stirring shaft, is fixedly connected with a first fixing block, corresponding threaded holes are formed in the first fixing block and the stirring shaft, and a first bolt is connected with the threaded holes in an internal thread manner.

Preferably, one end of the second stirring blade close to the second rotating shaft is fixedly connected with a second fixing block, the second fixing block and the second rotating shaft are provided with corresponding threaded holes, and a second bolt is connected in the threaded holes in an internal thread manner.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up rabbling mechanism, cooperation first driving medium and second driving medium can drive first stirring leaf simultaneously and stir the leaf with the second to stir along vertical and horizontal direction. The solution is fully reacted, and pollution gas containing S, N element is removed to the maximum extent.

Drawings

FIG. 1 is a perspective view of a steel mill exhaust heat steam reheating boiler according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is an enlarged schematic view of the structure at C in fig. 1.

In the figure: 1 boiler body, 2 supporting seats, 3 treatment boxes, 4 air inlet pipes, 5 air outlet pipes, 6 motors, 7 stirring mechanisms, 8 stirring shafts, 9 cavities, 10 first rotating shafts, 11 second rotating shafts, 12 first transmission parts, 13 second transmission parts, 14 first stirring blades, 15 second stirring blades, 16 first belt pulleys, 17 second belt pulleys, 18 first bevel gears, 19 second bevel gears, 20 first fixing blocks, 21 first bolts, 22 second fixing blocks and 23 second bolts.

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 steel mill exhaust-heat steam reheating boiler comprises a boiler body 1, a supporting seat 2 is fixedly connected at the lower end of the boiler body 1, a treatment box 3 is installed at the left side of the boiler body 1, an air inlet pipe 4 is fixedly connected at the left end of the upper side wall of the treatment box 3, an air outlet pipe 5 is fixedly connected at the right end of the upper side wall of the treatment box 3, the air outlet pipe 5 is communicated with the boiler body 1, a motor 6 is fixedly connected at the upper end of the treatment box 3, the model number of the motor 6 is Y-160L-6, the motor 6 is electrically connected with the outside, which is, not being repeated herein, the output of motor 6 is equipped with rabbling mechanism 7, and is specific, and rabbling mechanism 7 includes the (mixing) shaft 8 with the coaxial fixed connection of the output of motor 6, is equipped with cavity 9 in handling the lateral wall of case 3, and (mixing) shaft 8 runs through to cavity 9, (mixing) shaft 8 and handle 3 bottom lateral walls between sealing connection of case.

In the utility model, the bottom of the cavity 9 is located in the left and right side walls of the processing box 3 and is rotatably connected with the first rotating shaft 10, the left and right side walls of the processing box 3 are rotatably connected with the second rotating shaft 11, the stirring shaft 8 is in transmission connection with the two first rotating shafts 10 through the first transmission piece 12, it should be noted that the first transmission piece 12 comprises two first belt pulleys 16 which are coaxially and fixedly connected with the part of the stirring shaft 8 located in the cavity 9, the two first rotating shafts 10 are coaxially and fixedly connected with the second belt pulleys 17, the two first belt pulleys 16 are in transmission connection with the two second belt pulleys 17, the two first rotating shafts 10 are respectively in transmission connection with the two second rotating shafts 11 through the second transmission piece 13, it is worth mentioning that the second transmission piece 13 comprises the first bevel gears 18 which are coaxially and fixedly connected with the two first rotating shafts 10, the second bevel gears 19 are coaxially and fixedly connected with the part of the two second rotating shafts 11 located in the cavity 9, the two first bevel gears 18 are respectively meshed with the two second bevel gears 19.

The utility model discloses in, can dismantle on the (mixing) shaft 8 and be connected with the first stirring leaf 14 of polylith, it needs to notice, first stirring leaf 14 is close to the first fixed block 20 of one end fixedly connected with of (mixing) shaft 8, be equipped with corresponding screw hole on first fixed block 20 and the (mixing) shaft 8, screw hole female connection has first bolt 21, two second pivot 11 all can dismantle the part that is located processing case 3 and be connected with second stirring leaf 15, it needs to explain, second stirring leaf 15 is close to the one end fixedly connected with second fixed block 22 of second pivot 11, be equipped with corresponding screw hole on second fixed block 22 and the second pivot 11, screw hole female connection has second bolt 23.

The utility model discloses when using, let in the gaseous intake pipe 4 of sintering that produces the steel mill in, gaseous and solution reaction, open motor 6 this moment, motor 6 drives (mixing) shaft 8 and rotates, (mixing) shaft 8 drives first stirring leaf 14 and rotates, and simultaneously, (mixing) shaft 8 drives two first belt pulleys 16 and rotates, two first belt pulleys 16 drive two second belt pulleys 17 through two belts and rotate, two second belt pulleys 17 drive two first pivots 10 and rotate, two first pivots 10 drive two first bevel gears 18 and rotate, first bevel gear 18 drives second bevel gear 19 and rotates, second bevel gear 19 drives second pivot 11 and rotates, second pivot 11 drives second stirring leaf 15 and rotates, thereby mix along level and vertical direction, abundant coming out decontaminated gas.

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. The utility model provides a steel mill exhaust-heat steam reheating boiler, includes boiler body (1), its characterized in that, lower extreme fixedly connected with supporting seat (2) of boiler body (1), install in the left side of boiler body (1) and handle case (3), the last lateral wall left end fixedly connected with intake pipe (4) of handling case (3), the last lateral wall right end fixedly connected with outlet duct (5) of handling case (3), outlet duct (5) are linked together with boiler body (1), the upper end fixedly connected with motor (6) of handling case (3), the output of motor (6) is equipped with rabbling mechanism (7).

2. A steel mill waste heat steam reheating boiler according to claim 1, wherein the stirring mechanism (7) comprises a stirring shaft (8) coaxially and fixedly connected with the output end of the motor (6), a cavity (9) is formed in the side wall of the treatment box (3), the stirring shaft (8) penetrates through the cavity (9), the stirring shaft (8) is hermetically connected with the side wall of the bottom of the treatment box (3), the bottom of the cavity (9) is positioned in the left side wall and the right side wall of the treatment box (3) and is rotatably connected with a first rotating shaft (10), the left side wall and the right side wall of the treatment box (3) are hermetically and rotatably connected with a second rotating shaft (11), the stirring shaft (8) is in transmission connection with the two first rotating shafts (10) through a first transmission member (12), and the two first rotating shafts (10) are respectively in transmission connection with the two second rotating shafts (11) through a second transmission member (13), the stirring shaft (8) is detachably connected with a plurality of first stirring blades (14), and the two parts of the second rotating shaft (11) in the treatment box (3) are detachably connected with second stirring blades (15).

3. The steel mill residual heat steam reheating boiler according to claim 2, wherein the first transmission member (12) comprises two first belt pulleys (16) coaxially and fixedly connected with a part of the stirring shaft (8) located in the cavity (9), two second belt pulleys (17) coaxially and fixedly connected with the two first rotating shafts (10), and the two first belt pulleys (16) and the two second belt pulleys (17) are in belt transmission connection.

4. A steel mill waste heat steam reheating boiler according to claim 2, wherein the second transmission member (13) comprises a first bevel gear (18) coaxially and fixedly connected with the two first rotating shafts (10), a second bevel gear (19) coaxially and fixedly connected with the part of the two second rotating shafts (11) in the cavity (9), and the two first bevel gears (18) are respectively meshed with the two second bevel gears (19).

5. The steel mill residual heat steam reheating boiler according to claim 2, wherein one end of the first stirring blade (14) close to the stirring shaft (8) is fixedly connected with a first fixing block (20), the first fixing block (20) and the stirring shaft (8) are provided with corresponding threaded holes, and the threaded holes are internally connected with first bolts (21).

6. The steel mill residual heat steam reheating boiler according to claim 2, wherein one end, close to the second rotating shaft (11), of the second stirring blade (15) is fixedly connected with a second fixing block (22), corresponding threaded holes are formed in the second fixing block (22) and the second rotating shaft (11), and a second bolt (23) is connected to the threaded holes in a threaded mode.