CN212081995U

CN212081995U - Cement calcining furnace with tail gas treatment function

Info

Publication number: CN212081995U
Application number: CN202020521362.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Honglong Cement Co ltd
Current assignee: Honglong Cement Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-12-04
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to a cement calcine burning furnace technical field specifically is a cement calcines burning furnace with tail gas processing function, including cement calcine burning furnace main part, the tip of cement calcine burning furnace main part is equipped with the tail gas delivery pipe, the tip of tail gas delivery pipe is equipped with first smoke guide pipe, first bottom of smoke guide pipe is equipped with the granule and handles the case, the right side of granule is handled the case and the position that is close to the top is equipped with the second that leads the tobacco pipe with external intercommunication, the other end that the tobacco pipe was led to the second is equipped with sulphur element processing bucket, the circumference outer wall of sulphur element processing bucket and the position that is close to the top are equipped with alkaline solution feed liquor pipe, the circumference outer wall of sulphur element processing bucket and the position. This cement calcining furnace with tail gas processing function can filter the particulate matter in the buggy that does not burn and the flue gas through the granule processing case, can filter the sulfur dioxide gas in the flue gas through sulphur elemental processing bucket, has avoided air pollution.

Description

Cement calcining furnace with tail gas treatment function

Technical Field

The utility model relates to a cement calcine burning furnace technical field specifically is a cement calcine burning furnace with tail gas processing capability.

Background

The main part of the cement calcining furnace is a cement rotary kiln, cement clinker is manufactured through the cement rotary kiln, heat generated by burning coal dust is used for heating cement raw materials in the manufacturing process, but the coal dust can generate gases such as carbon dioxide and sulfur dioxide during burning, the sulfur dioxide is one of main atmospheric pollutants, and can pollute air if being discharged without being processed, and the tail gas in the existing cement calcining furnace is not processed completely.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cement calcining furnace with tail gas processing capability to propose the incomplete problem of tail gas treatment in the cement calcining furnace present among the above-mentioned background art of solution.

In order to achieve the above object, the utility model provides a following technical scheme:

a cement calcining furnace with a tail gas treatment function comprises a cement calcining furnace main body, wherein a tail gas discharge pipe is arranged at the end part of the cement calcining furnace main body, a first smoke guide pipe is arranged at the end part of the tail gas discharge pipe, a particle treatment box is arranged at the bottom end of the first smoke guide pipe, a sealing plate is in threaded connection with the front side of the particle treatment box, first strip-shaped support plates which are symmetrically distributed are arranged on the inner wall of the particle treatment box and are positioned at the middle upper part, a first filter screen is arranged on the surface of each first strip-shaped support plate, second strip-shaped support plates which are symmetrically distributed are arranged on the inner wall of the particle treatment box and are close to the middle part, a second filter screen is arranged on the surface of each second strip-shaped support plate, an ash collection box is movably connected to the bottom of the inner wall of the particle treatment box, and a second smoke guide pipe communicated with, the other end of tobacco pipe is led to the second is equipped with sulphur elemental processing bucket, sulphur elemental processing bucket's top is equipped with sealed lid, the middle part at sealed caping portion is equipped with the mounting panel, the surface of mounting panel is provided with servo motor, the vertical axis of rotation that is equipped with in the sulphur elemental processing bucket, the circumference outer wall of axis of rotation and the position that is located middle part and bottom all are equipped with six stirring leaves of arranging with annular array, the circumference outer wall of sulphur elemental processing bucket and the position that is close to the bottom edge are equipped with the blow off pipe with external intercommunication, the circumference outer wall of sulphur elemental processing bucket and the position that is close to the top are equipped with alkaline solution feed liquor pipe, the circumference outer wall of sulphur elemental processing bucket and the position that is close to the top still are equipped.

Preferably, a second control valve is arranged on the circumferential outer wall of the first smoke guide pipe and close to the position connected with the tail gas discharge pipe.

Preferably, a first control valve is arranged on the circumferential outer wall of the sewage discharge pipe and at a position close to the connection position of the sewage discharge pipe and the elemental sulfur treatment barrel.

Preferably, the output shaft of the servo motor passes through the mounting plate and the sealing cover and is coaxially connected with the rotating shaft.

Preferably, the top end of the second smoke guide pipe is located above the first filter screen, and the bottom end of the second smoke guide pipe is located at the bottom of the elemental sulfur treatment barrel.

Preferably, the bottom end of the alkaline solution inlet pipe is close to the bottom of the inner wall of the elemental sulfur treatment barrel.

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

this cement calcining furnace with tail gas processing function can filter the particulate matter in buggy and the flue gas that does not burn through two filter screens that are equipped with in the granule processing case, can collect the particulate matter after filtering through the ash collecting box, can filter the sulfur dioxide gas in the flue gas through sulphur elemental processing bucket, can be that the sulfur dioxide in the flue gas is abundant to mix with alkaline solution through the stirring leaf, improves and gets rid of the effect, has avoided air pollution.

Drawings

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

FIG. 2 is a schematic view of the exploded structure of the particle processing box of the present invention;

FIG. 3 is a schematic view of the internal structure of the particle processing box of the present invention;

fig. 4 is a schematic view of the cross section and the internal structure of the elemental sulfur treatment barrel of the present invention.

In the figure: the device comprises a cement calcining furnace main body 1, a tail gas discharge pipe 10, a particle processing box 2, a sealing plate 20, a first strip-shaped supporting plate 21, a second strip-shaped supporting plate 22, a first filter screen 23, a second filter screen 24, an ash collecting box 25, a sulfur element processing barrel 3, a sealing cover 30, a mounting plate 300, an alkaline solution inlet pipe 31, an exhaust pipe 32, a drain pipe 33, a first control valve 330, a servo motor 4, a rotating shaft 5, a stirring blade 6, a first smoke guide pipe 7, a second control valve 70 and a second smoke guide pipe 8.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a cement calcining furnace with a tail gas treatment function comprises a cement calcining furnace main body 1, a tail gas discharge pipe 10 is arranged at the end part of the cement calcining furnace main body 1, a first smoke guide pipe 7 is arranged at the end part of the tail gas discharge pipe 10, smoke is guided into a particle treatment box 2 from the discharge pipe 10 through the first smoke guide pipe 7, the bottom end of the first smoke guide pipe 7 is provided with the particle treatment box 2, the front side of the particle treatment box 2 is in threaded connection with a sealing plate 20 so as to be convenient for installation and disassembly of the sealing plate 20, first strip-shaped support plates 21 which are symmetrically distributed are arranged on the inner wall of the particle treatment box 2 and are positioned at the middle upper part, a first filter screen 23 is arranged on the surface of each first strip-shaped support plate 21, an activated carbon filter screen 23 can adsorb harmful gas, second strip-shaped support plates 22 which are symmetrically distributed are arranged on the inner wall of the particle treatment box 2 and are positioned close to the middle, the second filter screen 24 is primarily filter cotton, which can effectively filter dust and suspended matters in the smoke with particle size larger than or equal to 5 μm, the bottom of the inner wall of the particle processing box 2 is movably connected with an ash collecting box 25 for collecting coal dust and particulate matters, a second smoke guiding pipe 8 communicated with the outside is arranged at the right side of the particle processing box 2 and close to the top, the smoke filtered by the particulate matters is guided into the sulfur element processing barrel 3 through the second smoke guiding pipe 8, the other end of the second smoke guiding pipe 8 is provided with the sulfur element processing barrel 3, the top of the sulfur element processing barrel 3 is provided with a sealing cover 30, the middle part of the top of the sealing cover 30 is provided with a mounting plate 300, the surface of the mounting plate 300 is provided with a servo motor 4, a rotating shaft 5 is vertically arranged in the sulfur element processing barrel 3, six stirring blades 6 arranged in an annular array are arranged on the circumferential outer wall of the rotating shaft 5 and at the middle part and the bottom, and sulfur dioxide in the smoke, the circumference outer wall of sulphur elemental processing bucket 3 and the position that is close to the bottom edge are equipped with the blow off pipe 33 with external intercommunication, the solution discharge after having handled the sulfur dioxide, the circumference outer wall of sulphur elemental processing bucket 3 and the position that is close to the top are equipped with alkaline solution feed liquor pipe 31, in importing alkaline solution into sulphur elemental processing bucket 3, the circumference outer wall of sulphur elemental processing bucket 3 and the position that is close to the top still are equipped with blast pipe 32, make in the flue gas discharge air after filtration and sulphur elemental processing.

In this embodiment, a second control valve 70 is disposed on the circumferential outer wall of the first smoke guiding pipe 7 and near the position connected to the exhaust gas discharging pipe 10, and the second control valve 70 controls the opening and closing and the flow of the first smoke guiding pipe 7, so that the particle processing box 2 can be cleaned conveniently after the first smoke guiding pipe 7 is closed.

Specifically, a first control valve 330 is arranged on the circumferential outer wall of the sewage pipe 33 and close to the connection position with the elemental sulfur treatment barrel 3, and the first control valve 330 can control the on-off of the sewage pipe 33.

Further, the output shaft of the servo motor 4 passes through the mounting plate 300 and the sealing cover 30 and is coaxially connected with the rotating shaft 5, and the rotating shaft 5 is driven to rotate through the servo motor 4, so that the stirring blade 6 is driven to rotate.

Furthermore, the top end of the second smoke guiding pipe 8 is located above the first filter screen 23 to ensure that the smoke guided out from the second smoke guiding pipe 8 is subjected to secondary filtration, and the bottom end of the second smoke guiding pipe 8 is located at the bottom of the elemental sulfur treatment barrel 3, so that the smoke can enter from the bottom of the inner wall of the elemental sulfur treatment barrel 3, and thus, the sulfur dioxide can be fully mixed with the alkaline solution.

In addition, the bottom of alkaline solution feed liquor pipe 31 is close to the bottom of 3 inner walls of sulphur element processing barrel, avoids alkaline solution to sputter in sulphur element processing barrel 3, also can make the bottom of sulphur element processing barrel 3 preferentially supply new alkaline solution, improves the treatment effeciency.

It should be noted that the servo motor 4 involved in the present invention is a servo motor with model number HF-MP13 produced by shenzhen seikuan society automation equipment limited company, and its matched driving power supply can also be provided by the manufacturer; furthermore, the present invention relates to a servo motor, which is a prior art, and can be implemented by a person skilled in the art, without extra description, and the present invention also does not relate to the improvement of the structure and working principle of a servo motor.

When the cement calcining furnace with the tail gas treatment function in the embodiment is used, a user firstly connects the servo motor 4 with an external power supply to enable the cement calcining furnace to work, then opens the second control valve 70, when tail gas is discharged from the tail gas discharge pipe 10 and enters the particle treatment box 2 through the first smoke guide pipe 7, the smoke is firstly filtered through the second filter screen 24 and then filtered through the first filter screen 23, particulate matters in the smoke can be effectively filtered through twice filtering, the smoke after twice filtering enters the sulfur element treatment barrel 3 from the second smoke guide pipe 8, at the moment, the rotating shaft 5 and the stirring blades 6 rotate under the action of the servo motor 4, so that sulfur dioxide in the smoke is fully mixed with alkaline solution in the sulfur element treatment barrel 3, the sulfur dioxide is effectively filtered, and the treated smoke is discharged to the outside from the exhaust pipe 32.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A cement calcining furnace with tail gas treatment function comprises a cement calcining furnace main body (1), and is characterized in that: the tail gas discharging pipe (10) is arranged at the end part of the cement calcining furnace main body (1), a first smoke guide pipe (7) is arranged at the end part of the tail gas discharging pipe (10), a particle processing box (2) is arranged at the bottom end of the first smoke guide pipe (7), a sealing plate (20) is connected to the front side of the particle processing box (2) in a threaded manner, first strip-shaped supporting plates (21) which are symmetrically distributed are arranged on the inner wall of the particle processing box (2) and are positioned at the middle upper part, a first filter screen (23) is arranged on the surface of each first strip-shaped supporting plate (21), second strip-shaped supporting plates (22) which are symmetrically distributed are arranged on the inner wall of the particle processing box (2) and are close to the middle part, a second filter screen (24) is arranged on the surface of each second strip-shaped supporting plate (22), and an ash collecting box (25) is movably, the particle treatment box is characterized in that a second smoke guide pipe (8) communicated with the outside is arranged on the right side of the particle treatment box (2) and close to the top, a sulfur element treatment barrel (3) is arranged at the other end of the second smoke guide pipe (8), a sealing cover (30) is arranged at the top of the sulfur element treatment barrel (3), a mounting plate (300) is arranged in the middle of the top of the sealing cover (30), a servo motor (4) is arranged on the surface of the mounting plate (300), a rotating shaft (5) is vertically arranged in the sulfur element treatment barrel (3), six stirring blades (6) arranged in an annular array are arranged on the circumferential outer wall of the rotating shaft (5) and at the middle and bottom positions, a blow-off pipe (33) communicated with the outside is arranged on the circumferential outer wall of the sulfur element treatment barrel (3) and at the position close to the bottom edge, an alkaline solution liquid inlet pipe (31) is arranged on the circumferential outer wall of the sulfur element treatment, and an exhaust pipe (32) is further arranged on the circumferential outer wall of the sulfur element treatment barrel (3) and close to the top.

2. The cement calciner with an exhaust gas treatment function according to claim 1, characterized in that: and a second control valve (70) is arranged on the circumferential outer wall of the first smoke guide pipe (7) and close to the position connected with the tail gas discharge pipe (10).

3. The cement calciner with an exhaust gas treatment function according to claim 1, characterized in that: and a first control valve (330) is arranged on the circumferential outer wall of the sewage discharge pipe (33) and at a position close to the joint of the sulfur element treatment barrel (3).

4. The cement calciner with an exhaust gas treatment function according to claim 1, characterized in that: an output shaft of the servo motor (4) penetrates through the mounting plate (300) and the sealing cover (30) and is coaxially connected with the rotating shaft (5).

5. The cement calciner with an exhaust gas treatment function according to claim 1, characterized in that: the top end of the second smoke guide pipe (8) is positioned above the first filter screen (23), and the bottom end of the second smoke guide pipe (8) is positioned at the bottom of the elemental sulfur treatment barrel (3).

6. The cement calciner with an exhaust gas treatment function according to claim 1, characterized in that: the bottom end of the alkaline solution liquid inlet pipe (31) is close to the bottom of the inner wall of the sulfur element treatment barrel (3).