CN215842084U

CN215842084U - Defroster for desulfurizing tower

Info

Publication number: CN215842084U
Application number: CN202122063805.9U
Authority: CN
Inventors: 向映; 胡勇军
Original assignee: Hubei Jinglan Cement Co ltd
Current assignee: Hubei Jinglan Cement Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-18
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to a demister for a desulfurizing tower, which comprises a demisting mechanism and a cleaning mechanism rotatably arranged on the demisting mechanism, wherein the demisting mechanism comprises a support, a plurality of annular demisting plates are arranged on the support, the annular demisting plates are concentrically arranged, an annular airflow channel is arranged between every two adjacent annular demisting plates, and the cleaning mechanism comprises a spray cleaning device rotatably arranged in the annular airflow channel. The cleaning device has good cleaning effect on the demisting plate, and solves the problem that the middle section of the plate is not cleaned in place and is easy to cause blockage in the prior art.

Description

Defroster for desulfurizing tower

Technical Field

The utility model belongs to the field of demisters, and particularly relates to a demister for a desulfurizing tower.

Background

The demister is an important part of the desulfurizing tower. The function of the demister is to collect the fog particles and slurry drops carried by the flue gas in the spray absorption process. If the demisting is not good, the flue gas carries slurry to be carried to downstream equipment, such as a flue gas heater, an induced draft fan (commonly used for industrial boiler desulfurization) and a flue, and then blockage, serious vibration of the induced draft fan, serious corrosion and scaling of the flue are caused, so that the operation is forced to be stopped.

The existing demister mainly comprises a plate and a supporting device, wherein the plate is usually made of 2 types of materials such as high polymer materials (such as PP, FRP and the like) or stainless steel (such as 316L, 317L and the like). Generally classified into streamline and broken line types. Its during liquid drop smuggleing secretly in the entrapment flue gas, often have some material adhesion on the slab, cause defroster airflow channel's jam, for solving this problem, the mode that adopts at present all sets up for the top and the below at the defroster generally and sprays washing unit, thereby regularly washes the slab, but because the slab of defroster often is the dogleg shape, washing unit is difficult directly to spray the interlude to the slab with rivers from top to bottom, thereby causes the washing of slab interlude not in place, thereby causes interlude jam phenomenon.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that the middle section of a plate is not cleaned in place and is easy to cause blockage in the prior art, and provides a demister for a desulfurizing tower.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a defroster for desulfurizing tower, include defogging mechanism with rotate set up in clean mechanism on the defogging mechanism, defogging mechanism include the support, set up in a plurality of annular defogging slab on the support, a plurality of annular defogging slab are with the centre of a circle setting, are provided with annular airflow channel between the adjacent annular defogging slab, clean mechanism including rotate set up in spray belt cleaning device in the annular airflow channel.

Further, the spray cleaning device comprises a small buffer water tank fixedly arranged on the side wall of the desulfurization tower through a support rod, a water inlet pipe fixedly arranged on the small buffer water tank, a vertical short pipe rotatably arranged at the bottom of the small buffer water tank, a plurality of spray pipes communicated with the vertical short pipe through a horizontal water inlet pipe, and a plurality of high-pressure spray heads arranged on the spray pipes; the spray pipe is arranged in the annular airflow channel.

Furthermore, the spraying cleaning device further comprises a central shaft which is rotatably arranged at the center of the innermost annular demisting plate, and the vertical short pipe is fixedly arranged above the central shaft.

Furthermore, the spraying and cleaning device further comprises a worm wheel fixedly arranged outside the vertical short pipe, and a worm rotatably arranged on the desulfurizing tower, wherein the worm wheel is meshed with the worm, one end of the worm extends out of the desulfurizing tower and is provided with a motor, and a rotating output shaft of the motor is fixedly connected with the worm.

Furthermore, the cleaning mechanism further comprises a brushing device which is rotatably arranged in the annular airflow channel.

Furthermore, the brushing and sweeping device comprises a supporting cross rod fixedly arranged on the vertical short pipe, a sweeping rod fixedly arranged below the supporting cross rod, and a plurality of bristles arranged on the sweeping rod.

Furthermore, the support comprises a transverse plate, outward inclined baffle plates are arranged on two sides of the transverse plate, so that the transverse plate is integrally splayed, and strip-shaped airflow holes are formed in the transverse plate.

Furthermore, an annular mounting plate is fixedly arranged on the annular demisting plate on the outermost side, and the annular mounting plate and the support are connected with mounting blocks on the side wall of the desulfurizing tower through bolts.

Further, the demisting plate comprises a first vertical plate, a first inclined plate, a second vertical plate, a second inclined plate and a third vertical plate which are integrally connected from top to bottom, the radii of the first vertical plate and the third vertical plate are equal, and the radius of the second vertical plate is larger than the radii of the first vertical plate/the third vertical plate; except for the outermost defogging sheet, the top of the first riser on other defogging sheets protrudes outwards to form an outer inclined baffle, and except for the innermost defogging sheet, the bottom of the first riser on other defogging sheets protrudes inwards to form an inner inclined baffle.

Furthermore, defogging mechanism is formed by closing left half defogging mechanism and right half defogging mechanism, and left half defogging mechanism and right half defogging mechanism pass through bolted connection.

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

according to the utility model, the annular defogging sheet pieces are arranged into an annular shape, so that an annular air flow channel is formed between the adjacent annular defogging sheet pieces, and the spray cleaning device is rotationally arranged in the annular air flow channel, so that the defogging sheet pieces are cleaned.

Drawings

FIG. 1 is a perspective view of one embodiment of the present invention;

FIG. 2 is a perspective view of another angle of an embodiment of the present invention (without a strut);

FIG. 3 is a schematic structural view of one embodiment of the present invention (without struts);

FIG. 4 is a schematic view of the cleaning mechanism (without the struts) in one embodiment of the present invention;

FIG. 5 is a perspective view of a left demisting mechanism in accordance with one embodiment of the present invention;

FIG. 6 is a schematic diagram of the structure of the left demisting mechanism according to one embodiment of the present invention;

FIG. 7 is an enlarged view taken at A of FIG. 6;

fig. 8 is a perspective view of the right half defogging mechanism in accordance with one embodiment of the present invention.

In the figure: 1. the device comprises a support, 2, an annular demisting plate, 3, an annular airflow channel, 4, a small buffer water tank, 5, a water inlet pipe, 6, a vertical short pipe, 7, a water inlet horizontal pipe, 8, a spray pipe, 9 and a high-pressure spray head; 10. the cleaning device comprises a central shaft, 11, a worm wheel, 12, a worm, 13, a motor, 14, a supporting cross rod, 15, a cleaning rod, 16, bristles, 17, a transverse plate, 18, a baffle plate, 19, a strip-shaped airflow hole, 20, an annular mounting plate, 21, a first vertical plate, 22, a first inclined plate, 23, a second vertical plate, 24, a second inclined plate, 25, a third vertical plate, 26, an outer inclined baffle plate, 27, an inner inclined baffle plate, 28, an insert block, 29, an insertion hole, 30, a left half annular plate, 31, a left half bracket, 32, a right half annular plate, 33, a right half bracket, 34 and a supporting rod.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 8, an embodiment of a demister for a desulfurization tower according to the present invention includes a demisting mechanism and a cleaning mechanism rotatably disposed on the demisting mechanism, wherein the demisting mechanism includes a support 1, a plurality of annular demisting plates 2 disposed on the support 1, the plurality of annular demisting plates 2 are concentrically disposed, an annular airflow channel 3 is disposed between adjacent annular demisting plates 2, and the cleaning mechanism includes a spray cleaning device rotatably disposed in the annular airflow channel 3. According to the utility model, the demisting plates are arranged in an annular shape, so that the annular airflow channel 3 is formed between the adjacent annular demisting plates, and the spray cleaning device is rotatably arranged in the annular airflow channel 3, so that the annular demisting plates are cleaned.

As an embodiment of the demister for the desulfurization tower of the present invention, the spray cleaning device comprises a small buffer water tank 4 fixedly arranged on the sidewall of the desulfurization tower through a support rod 34, a water inlet pipe 5 fixedly arranged on the small buffer water tank 4, a vertical short pipe 6 rotatably arranged at the bottom of the small buffer water tank 4, a plurality of spray pipes 8 communicated with the vertical short pipe 6 through a horizontal water inlet pipe 7, and a plurality of high pressure spray heads 9 arranged on the spray pipes 8; the spray pipe 8 is arranged in the annular airflow channel 3.

Further, the water inlet pipe 5 extends out of the desulfurizing tower body.

As an embodiment of the demister for the desulfurization tower according to the present invention, the spray cleaning device further includes a central shaft 10 rotatably disposed at the center of the innermost annular demister, and the vertical short pipe 6 is fixedly disposed above the central shaft 10.

As an embodiment of the demister for the desulfurization tower, the spray cleaning device further comprises a worm wheel 11 fixedly arranged outside the vertical short pipe 6, and a worm 12 rotatably arranged on the desulfurization tower, wherein the worm wheel 11 is meshed with the worm 12, one end of the worm 12 extends out of the desulfurization tower and is provided with a motor 13, and a rotating output shaft of the motor 13 is fixedly connected with the worm 12.

As an embodiment of the demister for the desulfurization tower according to the present invention, the cleaning mechanism further includes a brushing device rotatably disposed in the annular gas flow passage 3. According to the utility model, the brushing device is rotatably arranged in the annular airflow channel 3, so that the annular defogging plate sheets are cleaned by alternately cleaning the brush and spraying water, and the cleaning effect is improved.

As an embodiment of a demister for a desulfurization tower according to the present invention, the brushing device includes a supporting cross bar 14 fixedly disposed on the vertical short pipe 6, a sweeping rod 15 fixedly disposed below the supporting cross bar 14, and a plurality of bristles 16 disposed on the sweeping rod 15.

As an embodiment of a demister for a desulfurization tower according to the present invention, the bracket 1 includes a horizontal plate 17, and baffles 18 disposed at both sides of the horizontal plate 17 and inclined outward are provided to make the entire structure of the bracket in a splayed shape, and the horizontal plate 17 is provided with strip-shaped airflow holes 19.

As an embodiment of the demister for the desulfurization tower, a plurality of mounting blocks are arranged on the side wall of the desulfurization tower, an annular mounting plate 20 is fixedly arranged on the outermost annular demister sheet 2, and the annular mounting plate 20 and the bracket 1 are both connected with the mounting blocks on the side wall of the desulfurization tower through bolts.

As an embodiment of a demister for a desulfurization tower of the present invention, the demister comprises a first vertical plate 21, a first inclined plate 22, a second vertical plate 23, a second inclined plate 24 and a third vertical plate 25 which are integrally connected from top to bottom, wherein the first vertical plate 21 and the third vertical plate 25 have the same radius, and the radius of the second vertical plate 23 is larger than the radius of the first vertical plate 21/the third vertical plate 25; except for the annular defogging sheet at the outermost side, the top of the first vertical plate 21 on other annular defogging sheets protrudes outwards to form an outer inclined baffle 18, and except for the annular defogging sheet at the innermost side, the bottom of the first vertical plate 21 on other annular defogging sheets protrudes inwards to form an inner inclined baffle 18.

As an embodiment of the demister for the desulfurization tower, the demisting mechanism is formed by combining a left half demisting mechanism and a right half demisting mechanism, and the left half demisting mechanism and the right half demisting mechanism are connected through bolts.

Further, the annular defogging plate 2 is formed by combining a left semi-annular plate 30 and a right semi-annular plate 32, and the left semi-annular plate 30 and the right semi-annular plate 32 are fixedly connected through bolts; the bracket 1 is formed by combining a left half bracket 31 and a right half bracket 33, and the left half bracket 31 and the right half bracket 33 are fixedly connected through bolts.

Furthermore, a second vertical plate 23 of the left half demisting mechanism is provided with an insertion hole 29, a second vertical plate 13 of the right half demisting mechanism is provided with an insertion block 28, and the insertion block 28 is inserted in the insertion hole 29 and is matched with the insertion hole 29.

The utility model only needs to periodically start the cleaning device to clean the annular defogging plate 2; when clearing up annular defogging slab 2, only need starter motor 13, drive worm 12 by motor 13 and rotate to drive worm wheel 11 and rotate, thereby drive the nozzle that sprays belt cleaning device and the brush of brushing device and rotate along annular airflow channel 3, clear up annular defogging slab 2.

The embodiments described above are only preferred embodiments of the utility model and are not exhaustive of the possible implementations of the utility model. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the utility model so modified beyond the spirit and scope of the present invention.

Claims

1. The utility model provides a defroster for desulfurizing tower, its characterized in that, including defogging mechanism with rotate set up in clean mechanism in the defogging mechanism, defogging mechanism include support (1), set up in a plurality of annular defogging slab (2) on support (1), a plurality of annular defogging slab (2) are with the centre of a circle setting, are provided with annular airflow channel (3) between adjacent annular defogging slab (2), clean mechanism including rotate set up in spray belt cleaning device in annular airflow channel (3).

2. The demister as claimed in claim 1, wherein the spray cleaning device comprises a small buffer water tank (4) fixedly arranged on the side wall of the desulfurization tower through a support rod (34), a water inlet pipe (5) fixedly arranged on the small buffer water tank (4), a vertical short pipe (6) rotatably arranged at the bottom of the small buffer water tank (4), a plurality of spray pipes (8) communicated with the vertical short pipe (6) through a horizontal water inlet pipe (7), and a plurality of high pressure spray heads (9) arranged on the spray pipes (8); the spray pipe (8) is arranged in the annular airflow channel (3).

3. Demister as in claim 2, wherein said spray cleaning device further comprises a central shaft (10) rotatably disposed at the center of the innermost annular demister, and said vertical short pipe (6) is fixedly disposed above said central shaft (10).

4. The demister as recited in claim 2, wherein said spray cleaning device further comprises a worm wheel (11) fixedly disposed outside said vertical short pipe (6), and a worm (12) rotatably disposed on said desulfurization tower, said worm wheel (11) is engaged with said worm (12), one end of said worm (12) extends out of said desulfurization tower and is followed by a motor (13), and a rotation output shaft of said motor (13) is fixedly connected with said worm (12).

5. A demister according to claim 2, wherein said cleaning mechanism further comprises a brushing device rotatably disposed in said annular gas flow channel (3).

6. Demister as in claim 5, wherein the brushing device comprises a support cross bar (14) fixedly arranged on the vertical short pipe (6), a sweeping rod (15) fixedly arranged under the support cross bar (14), and a plurality of bristles (16) arranged on the sweeping rod (15).

7. Demister as in claim 1, wherein said support frame (1) comprises a cross plate (17), and outwardly inclined baffle plates (18) are provided on both sides of said cross plate (17) to make it a splayed shape as a whole, and strip-shaped airflow holes (19) are provided on said cross plate (17).

8. A demister for a desulfurizing tower according to claim 1, wherein an annular mounting plate (20) is fixedly arranged on the outermost annular demister sheet (2), and the annular mounting plate (20) and the bracket (1) are connected with mounting blocks on the sidewall of the desulfurizing tower through bolts.

9. The demister as claimed in claim 1, wherein the demister comprises a first vertical plate (21), a first inclined plate (22), a second vertical plate (23), a second inclined plate (24) and a third vertical plate (25) which are integrally connected from top to bottom, the first vertical plate (21) and the third vertical plate (25) have the same radius, and the radius of the second vertical plate (23) is larger than the radius of the first vertical plate (21)/the third vertical plate (25); except for the annular defogging plate sheet at the outermost side, the top of the first vertical plate (21) on other annular defogging plate sheets protrudes outwards to form an outer inclined baffle (18), and except for the annular defogging plate sheet at the innermost side, the bottom of the first vertical plate (21) on other annular defogging plate sheets protrudes inwards to form an inner inclined baffle (18).

10. The demister as claimed in claim 1, wherein the demisting mechanism is formed by folding a left demisting mechanism and a right demisting mechanism, and the left demisting mechanism and the right demisting mechanism are connected by bolts.