CN214635336U

CN214635336U - Novel flue gas desulfurization tower

Info

Publication number: CN214635336U
Application number: CN202023279198.1U
Authority: CN
Inventors: 肖凤喜
Original assignee: Hunan Ruichi Environmental Protection Technology Co ltd
Current assignee: Hunan Ruichi Environmental Protection Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-09
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a novel flue gas desulfurization tower, which comprises a tower body, wherein one side of the bottom of the tower body is provided with a smoke inlet pipe, the smoke inlet pipe extends into the tower body, and the smoke outlet of the smoke inlet pipe faces the liquid level of spraying liquid at the bottom of the tower body; and a gas distribution tower plate is arranged above the smoke inlet pipe, and a plurality of shutter holes are punched on the plate surface of the gas distribution tower plate. The flue gas outlet of the smoke inlet pipe is designed to face the liquid level of the spray liquid, the spray liquid is blown continuously along with the outflow of the flue gas, the temperature of the flue gas is reduced by utilizing the liquid level of the spray liquid, the natural thickening of dust in the flue gas can be inhibited, and meanwhile, a certain dust removal effect is also achieved; the design of the gas distribution tower plate enables the flue gas to form turbulent flow, and meanwhile, a plurality of louver holes on the gas distribution tower plate can be used for blocking most of dust, so that the dust is prevented from entering the upper part of the desulfurizing tower and blocking the turbulent flow plate and the like.

Description

Novel flue gas desulfurization tower

Technical Field

The utility model relates to a flue gas desulfurization denitration technical field especially relates to a novel flue gas desulfurization tower.

Background

The desulfurizing tower is an important treatment device in the flue gas desulfurization and denitration process. At present, the existing desulfurizing tower has the following problems:

1. the flue gas pipeline leads the flue gas to the bottom of the desulfurizing tower in a way of being vertical to the desulfurizing tower, so that the flue gas moves to the upper part of the desulfurizing tower from bottom to top at the bottom of the desulfurizing tower in disorder due to pressure, and the flue gas contains dust and has the problem that dust particles are piled up and naturally coarsened because the local temperature of a smoke outlet is higher, thereby easily causing the blockage of a rotational flow plate, a filler and the like;

2. the salt content of the spray liquid is high, the spray liquid easily generates sulfite crystals, the tower bottom of the desulfurizing tower is designed to be a flat bottom structure, slag materials are easily piled up at the bottom of the desulfurizing tower, the slag materials at the bottom of the desulfurizing tower are required to be cleaned within 5-10 days, and normal production is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a novel flue gas desulfurization tower has reduced the clearance frequency of desulfurizing tower slag charge, has also solved simultaneously because of the problem that the dust particle becomes thick naturally and causes blockages such as whirl board.

The utility model provides a technical scheme that its technical problem adopted is:

the novel flue gas desulfurization tower comprises a tower body, wherein a smoke inlet pipe is arranged on one side of the bottom of the tower body, extends into the tower body, and a flue gas outlet of the smoke inlet pipe faces to the liquid level of spraying liquid at the bottom of the tower body; and a gas distribution tower plate is arranged above the smoke inlet pipe, and a plurality of shutter holes are punched on the plate surface of the gas distribution tower plate.

In a preferred embodiment of the novel flue gas desulfurization tower provided by the present invention, the gas distribution tower plate is stamped with a forward louver hole and a reverse louver hole, and the forward louver hole and the reverse louver hole are arranged at intervals.

In the preferred embodiment of the novel flue gas desulfurization tower provided by the present invention, the distance between the adjacent two louver holes is 5-10 mm.

The utility model provides a novel flue gas desulfurization tower in a preferred embodiment, establish to the inverted cone shape body the bottom of tower body, the bottom of inverted cone shape body is equipped with the thick liquid export, thick liquid export and slurry discharge pipeline flange joint.

In a preferred embodiment of the novel flue gas desulfurization tower provided by the present invention, the included angle α between the conical surface of the inverted cone and the horizontal direction is 50 to 65 °.

In the preferred embodiment of the novel flue gas desulfurization tower provided by the present invention, the flue gas outlet of the flue gas inlet pipe is detachably provided with a tapered smoke outlet cover.

In a preferred embodiment of the novel flue gas desulfurization tower provided by the present invention, the surface of the gas distribution tower plate and the inner wall of the inverted cone of the tower body are coated with teflon coatings.

Compared with the prior art, the utility model provides a novel flue gas desulfurization tower's beneficial effect is:

the flue gas outlet of the smoke inlet pipe is designed to face the liquid level of the spray liquid, the spray liquid is blown continuously along with the outflow of the flue gas, the temperature of the flue gas is reduced by utilizing the liquid level of the spray liquid, the natural thickening of dust in the flue gas can be inhibited, and meanwhile, a certain dust removal effect is achieved; the design of the gas distribution tower plate enables the flue gas to form turbulent flow, and meanwhile, a plurality of louver holes on the gas distribution tower plate can be used for blocking most of dust, so that the dust is prevented from entering the upper part of the desulfurizing tower and blocking the turbulent flow plate and the like.

The bottom of the tower body is designed into an inverted cone structure, the inner wall is continuously washed by spraying liquid, so that slag can be discharged through a slurry outlet, the slag removal period at the bottom of the desulfurization tower is greatly reduced, and the slag removal period can be improved to be more than 30 days from 5 to 10 days.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic structural diagram of a novel flue gas desulfurization tower provided by the present invention;

FIG. 2 is a top view of the gas distribution tray provided in FIG. 1;

FIG. 3 is an enlarged partial view of the gas distribution tray provided in FIG. 2;

FIG. 4 is a cross-sectional view A-A of the gas distribution tray provided in FIG. 2;

FIG. 5 is a B-B cross-sectional view of the gas distribution tray provided in FIG. 2.

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 efforts belong to 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", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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

The embodiment provides novel flue gas desulfurization tower 1 includes tower body 10, this embodiment tower body 10 includes accessories (not shown in the figure) such as spray system, whirl board, filler, defroster in the current desulfurizing tower, and this is prior art, does not do here and describe repeatedly.

The characteristics distinguished from the prior art are: as shown in fig. 1, a smoke inlet pipe 101 is disposed at one side of the bottom of the tower body 10, the smoke inlet pipe 101 extends into the tower body 10, and a smoke outlet 1010 of the smoke inlet pipe faces the liquid level of the spraying liquid at the bottom of the tower body 10. This embodiment is through the exhanst gas outlet design that advances the tobacco pipe for the liquid level towards spraying liquid, and along with the outflow of flue gas constantly blows spraying liquid, the dust in the flue gas is because inertial effect, continues to move in spraying liquid, has certain dust removal effect, and sprays the temperature that liquid can also reduce the flue gas, can restrain the dust natural phenomenon of becoming thick in the flue gas.

Further, a gas distribution tray 102 is arranged above the smoke inlet pipe 101 of the present embodiment, as shown in fig. 1, a plurality of louver holes 1020 are punched on the plate surface of the gas distribution tray 102, as shown in fig. 2, fig. 3, fig. 4, and fig. 5, the gas distribution tray of the present embodiment is designed to enable the smoke to form turbulent flow, and simultaneously, the dust in the smoke continuously collides with the louver holes, so that most of the dust can be prevented from entering the upper portion of the desulfurization tower to block the turbulent flow plate and the like.

Example two

Based on the first embodiment, the gas distribution tray 102 of the present embodiment is stamped with a forward louver (as shown in fig. 4) and a reverse louver (as shown in fig. 5), and the forward louver and the reverse louver are spaced apart to form turbulent flow of the flue gas, as shown in fig. 3.

Preferably, the distance between two adjacent louver holes 1020 is 5-10 mm, and preferably 8 mm; the length of the louver holes 1020 may be set to 30mm, and the width may be set to 20 mm.

EXAMPLE III

Based on the first embodiment or the second embodiment, the bottom of the tower body 10 of the present embodiment is provided with an inverted cone 103, the desulfurization tower 10 is supported by a plurality of supporting legs 20, the bottom of the inverted cone 103 is provided with a slurry outlet 104, and the slurry outlet 104 is flange-connected with a slurry discharge pipe 105, as shown in fig. 1.

Preferably, an included angle α between the tapered surface of the inverse taper body 103 of the present embodiment and the horizontal direction is 50 to 65 °, and preferably 60 °.

This embodiment will tower body bottom design is the back taper structure, utilizes and sprays the continuous inner wall that erodees of liquid, makes the slag charge can discharge through the thick liquid export, great reduction the period of the scarfing cinder of desulfurization tower bottom, and the scarfing cinder period can be improved by original 5 ~ 10 days and is more than 30 days.

Example four

Based on any of the above embodiments, the tapered smoke outlet 106 is detachably installed at the smoke outlet 1010 of the smoke inlet pipe 101 in the embodiment, as shown in fig. 1, the design of the tapered smoke outlet can increase the flow rate of the smoke flowing to the liquid level of the spray liquid, and improve the dust removal effect and the temperature reduction effect.

EXAMPLE five

Based on the third embodiment, the surface of the gas distribution tray 102 and the inner wall of the inverted cone 103 of the tower body 10 are coated with teflon coatings (not shown in the figure), and the teflon coatings have excellent chemical inertness and non-adhesiveness, so that the scouring effect of the spray liquid on the inner wall of the inverted cone is improved, and the gas distribution tray is easy to clean by itself under the action of the spray liquid.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a novel flue gas desulfurization tower, includes the tower body, tower body bottom one side is equipped with into tobacco pipe, its characterized in that:

the smoke inlet pipe extends into the tower body, and a smoke outlet of the smoke inlet pipe faces the liquid level of the spraying liquid at the bottom of the tower body;

and a gas distribution tower plate is arranged above the smoke inlet pipe, and a plurality of shutter holes are punched on the plate surface of the gas distribution tower plate.

2. The new flue gas desulfurization tower of claim 1, characterized in that: the gas distribution tower plate is provided with a forward louver hole and a reverse louver hole in a stamping mode, and the forward louver hole and the reverse louver hole are arranged at intervals.

3. The new flue gas desulfurization tower of claim 2, characterized in that: the distance between every two adjacent louver holes is 5-10 mm.

4. The new flue gas desulfurization tower of claim 1, characterized in that: the bottom of tower body is established to the back taper body, and the bottom of back taper body is equipped with the thick liquid export, thick liquid export and slurry discharge pipeline flange joint.

5. The novel flue gas desulfurization tower of claim 4, wherein: the included angle alpha between the conical surface of the inverted cone and the horizontal direction is 50-65 degrees.

6. The novel flue gas desulfurization tower according to any one of claims 1 to 5, characterized in that: the smoke outlet of the smoke inlet pipe is detachably provided with a conical smoke outlet cover.

7. The novel flue gas desulfurization tower of claim 4, wherein: the surface of the gas distribution tower plate and the inner wall of the inverted cone of the tower body are coated with Teflon coatings.