Integrated feeding type fixed bed desulfurizing tower

Abstract

The utility model relates to the technical field of flue gas desulfurization, and discloses an integrated feeding type fixed bed desulfurizing tower which comprises a flue gas inlet, a flue gas outlet, a feeding opening, a desulfurizing agent filler temporary storage chamber, a flow guide inclined plate, a desulfurizing agent filler layer, a discharging conical hopper, a left side flue gas channel, a right side flue gas channel and a middle flue gas channel. Unpurified flue gas firstly enters the flue gas inlet, then horizontally flows towards the two sides, penetrates through the two desulfurizing agent filler layers to be subjected to desulfurization reaction, then enters the left flue gas channel and the right flue gas channel, and then is discharged through the flue gas outlets in the tops of the left flue gas channel and the right flue gas channel. When the device is implemented, the two filler temporary storage chambers at the tops of the two layers of fillers of each desulfurizing tower module are combined into one, so that the number of feed ports can be reduced by half, the number of desulfurizing agent automatic loading equipment is reduced, the construction cost is reduced, and the device is convenient to operate and maintain.

Description

Technical Field

[0001] The utility model belongs to the technical field of flue gas purification, in particular to an integrated feeding type fixed bed desulfurization tower. Background Art

[0002] The fixed bed desulfurization process has been developed for many years and the technology is relatively mature. The current mainstream fixed bed desulfurization tower is a vertical cross-flow type, with desulfurizer fillers installed from the top. Generally, a desulfurization tower module has two vertical filler layers, and a temporary storage room is provided on the top of each filler layer. The height of the temporary storage room for fillers is generally more than 1.5m. The upper part of the conventional desulfurization tower corresponds to two desulfurizer filler temporary storage rooms, each with two feed ports (see attached). Figure 1 ) to ensure that the packing layer is filled with desulfurizer to prevent flue gas short circuit. Because the fixed bed desulfurization device needs to replace the desulfurizer frequently, each discharge port generally needs to be equipped with non-crushing multi-point unloading bucket conveyor, belt conveyor, plug valve and other automatic unloading equipment, so the project cost is high and the later equipment maintenance work is also heavy. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an integrated feeding fixed bed desulfurization tower, which effectively solves the above problems existing in the desulfurization tower devices currently on the market.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: an integrated feeding fixed bed desulfurization tower, comprising a flue gas inlet (1), a flue gas outlet (2), a feeding port (3), a desulfurizer filler temporary storage chamber (4), a guide inclined plate (5), a desulfurizer filler layer (6), a discharge cone hopper (7), a left flue gas channel (8), a right flue gas channel (9), and a middle flue gas channel (10).

[0005] Compared with the prior art, the beneficial effects of the utility model are:

[0006] 1) This patent combines the two conventional temporary packing storage chambers (6) at the top of the desulfurization tower into one, so that the number of feed ports (3) is also reduced to one, reducing the number of mechanical equipment for adding desulfurizers and reducing the investment in flue gas desulfurization projects.

[0007] 2) This patent combines the two conventional temporary packing storage chambers (6) at the top of the desulfurization tower into one, so that the number of feed ports (3) is also reduced to one, reducing the number of mechanical equipment for adding desulfurizers, thereby greatly reducing operating and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0009] Figure 1 It is a structural schematic diagram of an existing fixed bed desulfurization tower;

[0010] Figure 2 It is a schematic diagram of the overall structure of the utility model; DETAILED DESCRIPTION

[0011] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0012] Embodiment 1, by Figure 1 The utility model discloses an integrated feeding fixed bed desulfurization tower, comprising a flue gas inlet (1), a flue gas outlet (2), a feeding port (3), a desulfurizer filler temporary storage chamber (4), a guide inclined plate (5), a desulfurizer filler layer (6), a discharge cone hopper (7), a left flue gas channel (8), a right flue gas channel (9), and a middle flue gas channel (10).

[0013] Working principle: During operation, a columnar desulfurizer with a diameter of 3 to 7 mm and a length of 6 to 20 mm is added to the desulfurizer filler temporary storage chamber (4) through a feed port (3) at the top of the desulfurization tower, and the desulfurizer flows into two layers of desulfurizer filler layers (6) respectively under the diversion effect of the diversion inclined plate (5); the unpurified flue gas first enters the middle flue gas channel (10) through the flue gas inlet (1), and then flows horizontally to both sides through the two layers of desulfurizer filler layers (6) to undergo desulfurization reaction, and then enters the left flue gas channel (8) and the right flue gas channel (9), and then is discharged through the flue gas outlet (2) at the top of the left flue gas channel (8) and the right flue gas channel (9). After the desulfurizer becomes ineffective, the desulfurizer is discharged through the discharge port below the discharge cone hopper (7), and at the same time, fresh desulfurizer is added through the feed port (3) at the top of the desulfurization tower.

[0014] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0015] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated feeding fixed bed desulfurization tower, comprising a flue gas inlet, a flue gas outlet, a feeding port, a desulfurizer filler temporary storage chamber, a guide ramp, a desulfurizer filler layer, a discharge cone hopper, a left flue gas channel, a right flue gas channel, and a middle flue gas channel, characterized in that: The unpurified flue gas first enters the flue gas inlet and then flows horizontally to both sides through two layers of desulfurizer filler layers for desulfurization reaction before entering the left flue gas channel and the right flue gas channel, and then is discharged through the flue gas outlets at the top of the left flue gas channel and the right flue gas channel.

2. The integrated feed type fixed bed desulfurization tower according to claim 1, characterized in that: When the flue gas passes through the desulfurizer packing layer, the SO2 in the flue gas is solidified and adsorbed by the desulfurizer, thereby removing the SO2.

3. The integrated feed type fixed bed desulfurization tower according to claim 1, characterized in that: The columnar desulfurizer is added into the desulfurizer packing temporary storage room through a feeding port at the top of the desulfurization tower, and then flows into the desulfurizer packing layer through the guide inclined plate.

4. The integrated feed type fixed bed desulfurization tower according to claim 1, characterized in that: The columnar desulfurizer is added into the desulfurizer through the feeding port at the top of the desulfurizer. After the desulfurizer becomes ineffective, it is discharged through the discharge port below the discharge cone hopper.

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