Desulfurization washing tower

By designing the stirring and spraying components of the hydrogen peroxide desulfurization scrubbing tower, the problem of sulfur dioxide emissions from the sulfuric acid industry has been solved, achieving efficient desulfurization and environmentally friendly utilization of byproducts.

CN223887736UActive Publication Date: 2026-02-10HUIZHOU SHENGDA NEW MATERIAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422952255.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2026-02-10
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The sulfur dioxide emitted by the sulfuric acid industry has a significant impact on the environment. Existing desulfurization methods produce byproducts that require additional treatment and are not efficient enough.

Method used

A hydrogen peroxide desulfurization scrubbing tower is used. By combining the stirring and spraying components, the contact area between the hydrogen peroxide solution and the flue gas is increased, and the slurry is kept uniformly mixed to prevent precipitation, thus achieving an effective desulfurization process.

Benefits of technology

It achieves efficient removal of sulfur dioxide, and the byproduct, dilute sulfuric acid, can be directly used in acid production systems or as a chemical raw material, avoiding additional treatment costs and secondary pollution.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223887736U_ABST
    Figure CN223887736U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of desulfurization washing towers, and discloses a desulfurization washing tower which comprises a tower body, the support column I is arranged at the bottom of the tower body; the gas inlet pipe is arranged on the outer wall of the tower body; the exhaust pipe is arranged at the top of the tower body; the stirring assembly is arranged in the tower body; the spraying assembly is arranged at the bottom of the tower body, the bottom of the tower body is fixedly connected with the top of the first supporting column, one end of the air inlet pipe is communicated with the outer wall of the tower body, the top of the tower body is communicated with one end of the exhaust pipe, and the stirring assembly comprises a supporting block arranged at the top of the tower body; and the fixing plate is arranged at the top of the supporting block. According to the hydrogen peroxide solution spraying device, the conveying pump is started, the conveying pump operates to suck a hydrogen peroxide solution in the slurry pond through the liquid suction pipe, then the hydrogen peroxide solution is conveyed into the rotating pipe through the conveying pipe, and then the hydrogen peroxide solution flows into the atomizing nozzle through the water outlet hole to be sprayed out, so that the effect of spraying the hydrogen peroxide solution is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of desulfurization scrubbing tower technology, specifically a desulfurization scrubbing tower. Background Technology

[0002] Sulfuric acid is one of the largest-volume inorganic chemical products currently produced, with wide applications in the metallurgical, fertilizer, machinery, military, and aerospace industries. The main products of the sulfuric acid industry include concentrated sulfuric acid, dilute sulfuric acid, liquid sulfur trioxide, and battery sulfuric acid, making it a long-established sector within the chemical industry. However, statistics show that sulfur dioxide emissions from the sulfuric acid industry account for 0.5% of the total national sulfur dioxide emissions and 9% of the total sulfur dioxide emissions from the chemical industry, indicating a significant environmental impact.

[0003] Hydrogen peroxide desulfurization scrubbing towers are suitable for treating SO2 waste gas of different concentrations and have strong adaptability. By adjusting the type and concentration of the scrubbing liquid, they can meet the needs of treating waste gas with different properties. The by-product generated during the desulfurization process is dilute sulfuric acid, which can be directly used in acid production systems or sold as a chemical raw material without causing secondary pollution problems. Other desulfurization methods may produce by-products such as gypsum and wastewater, which require additional treatment costs.

[0004] Therefore, a desulfurization scrubbing tower is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a desulfurization scrubbing tower to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a desulfurization scrubbing tower, comprising a tower body; a support column disposed at the bottom of the tower body; an air inlet pipe disposed on the outer wall of the tower body; an exhaust pipe disposed at the top of the tower body; a stirring assembly disposed inside the tower body; and a spraying assembly disposed at the bottom of the tower body.

[0007] Preferably, the bottom of the tower body is fixedly connected to the top of the support column, one end of the air inlet pipe is connected to the outer wall of the tower body, and the top of the tower body is connected to one end of the exhaust pipe.

[0008] Preferably, the stirring assembly includes: a support block disposed on the top of the tower body; a fixing plate disposed on the top of the support block, the top of the fixing plate having a fixing opening; the bottom of the support block being fixedly connected to the top of the tower body, the top of the support block being fixedly connected to the bottom of the fixing plate, and a motor being fixedly connected inside the fixing opening.

[0009] Preferably, the output end of the motor is fixedly connected to a rotating tube, and stirring blades one and two are equally spaced on the outer circumference of the rotating tube.

[0010] Preferably, the output end of the motor passes through the top of the tower body and extends into the interior to be fixedly connected to the top of the rotating tube. The outer wall of the rotating tube is provided with water outlet holes at equal intervals. The bottom of the rotating tube passes through the bottom of the inner wall of the tower body and extends to the outside.

[0011] This mixing component effectively maintains uniform mixing of the slurry in the slurry tank and prevents sedimentation.

[0012] Preferably, the spray assembly includes: a slurry tank disposed at the bottom of a first support column, the top of the slurry tank having a through hole and the bottom of the slurry tank having a connecting hole; an atomizing nozzle disposed on the outer wall of a rotating pipe; the top of the slurry tank being fixedly connected to the bottom of the first support column, the inner wall of the through hole being rotatably connected to the outer wall of the rotating pipe, the inner wall of the connecting hole being rotatably connected to the outer wall of the rotating pipe, a second support column being fixedly connected to the bottom of the slurry tank, one side of the atomizing nozzle being fixedly connected to the outer wall of the rotating pipe, and one side of the atomizing nozzle being connected to a water outlet.

[0013] Preferably, a drain pipe is connected to the outer wall of the slurry tank, a control valve is fixedly installed on the outer wall of the drain pipe, a sensor is fixedly connected to the inner wall of the slurry tank, and a return pipe is connected to the top of the slurry tank.

[0014] Preferably, the top of the reflux pipe is connected to the bottom of the tower body, the outer wall of the slurry tank is connected to a suction pipe, one end of the suction pipe is connected to a delivery pump, the top of the delivery pump is connected to a delivery pipe, and the outer wall of the delivery pipe is rotatably connected to the inner wall of the rotating pipe.

[0015] This spray assembly can effectively achieve the effect of spraying hydrogen peroxide solution.

[0016] This invention provides a desulfurization scrubbing tower. It has the following beneficial effects:

[0017] (1) This utility model starts the motor, and the operation of the motor drives the rotating tube to rotate. The rotation of the rotating tube drives the first stirring blade and the second stirring blade to rotate. The rotation of the first stirring blade drives the atomizing nozzle to rotate, which increases the contact area between the hydrogen peroxide solution and the flue gas. The rotation of the second stirring blade can keep the slurry in the slurry tank evenly mixed and prevent sedimentation, thereby achieving the stirring effect.

[0018] (2) By starting the delivery pump, the operation of the delivery pump draws the hydrogen peroxide solution in the slurry tank through the suction pipe, then delivers it to the rotating pipe through the delivery pipe, and then flows into the atomizing nozzle through the water outlet to spray out, thereby achieving the effect of spraying hydrogen peroxide solution. Attached Figure Description

[0019] Figure 1 This is a perspective view of the present utility model;

[0020] Figure 2 This is a schematic cross-sectional view of the present invention.

[0021] Figure 3 This utility model Figure 2 A magnified view of A in the middle;

[0022] Figure 4 This utility model Figure 2 A magnified view of B in the middle.

[0023] In the diagram: 1. Tower body, 2. Support column one, 3. Air inlet pipe, 4. Exhaust pipe, 5. Stirring assembly, 511. Support block, 512. Fixing plate, 513. Motor, 514. Rotating pipe, 515. Stirring blade one, 516. Stirring blade two, 6. Spray assembly, 611. Slurry tank, 612. Support column two, 613. Drain pipe, 614. Control valve, 615. Sensor, 616. Return pipe, 617. Suction pipe, 618. Conveying pump, 619. Conveying pipe, 6110. Atomizing nozzle. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0026] Example 1:

[0027] A preferred embodiment of the desulfurization scrubbing tower provided by this utility model is as follows: Figure 1-4As shown: A desulfurization scrubbing tower includes a tower body 1; a support column 2, disposed at the bottom of the tower body 1; an air inlet pipe 3, disposed on the outer wall of the tower body 1; an exhaust pipe 4, disposed at the top of the tower body 1; a stirring assembly 5, disposed inside the tower body 1; and a spray assembly 6, disposed at the bottom of the tower body 1.

[0028] The bottom of the tower body 1 is fixedly connected to the top of the support column 2, one end of the air intake pipe 3 is connected to the outer wall of the tower body 1, and the top of the tower body 1 is connected to one end of the exhaust pipe 4.

[0029] The stirring assembly 5 includes: a support block 511, which is disposed on the top of the tower body 1; a fixing plate 512, which is disposed on the top of the support block 511, and a fixing opening is provided on the top of the fixing plate 512; the bottom of the support block 511 is fixedly connected to the top of the tower body 1, the top of the support block 511 is fixedly connected to the bottom of the fixing plate 512, and a motor 513 is fixedly connected in the fixing opening.

[0030] The output end of the motor 513 is fixedly connected to a rotating tube 514. Stirring blades 1 515 and 2 516 are equidistantly arranged on the outer circumference of the rotating tube 514.

[0031] The output end of the motor 513 passes through the top of the tower body 1 and extends into the interior to be fixedly connected to the top of the rotating tube 514. Water outlet holes are provided at equal intervals on the outer circumference of the rotating tube 514. The bottom of the rotating tube 514 passes through the bottom of the inner wall of the tower body 1 and extends to the outside.

[0032] Furthermore, in this embodiment, by starting the motor 513, the operation of the motor 513 drives the rotating tube 514 to rotate, the rotation of the rotating tube 514 drives the first stirring blade 515 and the second stirring blade 516 to rotate, the rotation of the first stirring blade 515 drives the atomizing nozzle 6110 to rotate, thereby increasing the contact area between the hydrogen peroxide solution and the flue gas, and the rotation of the second stirring blade 516 can keep the slurry in the slurry tank uniformly mixed and prevent sedimentation, thereby achieving the stirring effect.

[0033] Example 2:

[0034] Based on Embodiment 1, a preferred embodiment of the desulfurization scrubbing tower provided by this utility model is as follows: Figure 1-4As shown: The spray assembly 6 includes: a slurry tank 611, which is located at the bottom of the first support column 2. The top of the slurry tank 611 has a through hole, and the bottom of the slurry tank 611 has a connecting hole; an atomizing nozzle 6110, which is located on the outer wall of the rotating tube 514; the top of the slurry tank 611 is fixedly connected to the bottom of the first support column 2, the inner wall of the through hole is rotatably connected to the outer wall of the rotating tube 514, the inner wall of the connecting hole is rotatably connected to the outer wall of the rotating tube 514, the bottom of the slurry tank 611 is fixedly connected to the second support column 612, one side of the atomizing nozzle 6110 is fixedly connected to the outer wall of the rotating tube 514, and one side of the atomizing nozzle 6110 is connected to the water outlet hole.

[0035] The outer wall of the slurry tank 611 is connected to a drain pipe 613, and a control valve 614 is fixedly installed on the outer wall of the drain pipe 613. A sensor 615 is fixedly connected to the inner wall of the slurry tank 611, and a return pipe 616 is connected to the top of the slurry tank 611.

[0036] The top of the return pipe 616 is connected to the bottom of the tower body 1. The outer wall of the slurry tank 611 is connected to the suction pipe 617. One end of the suction pipe 617 is connected to the delivery pump 618. The top of the delivery pump 618 is connected to the delivery pipe 619. The outer wall of the delivery pipe 619 is rotatably connected to the inner wall of the rotating pipe 514.

[0037] Furthermore, in this embodiment, by starting the delivery pump 618, the operation of the delivery pump 618 draws the hydrogen peroxide solution from the slurry pool 611 through the suction pipe 617, then delivers it to the rotating pipe 514 through the delivery pipe 619, and then flows into the atomizing nozzle 6110 through the water outlet to spray out, thereby achieving the effect of spraying hydrogen peroxide solution.

[0038] During operation, the flue gas is discharged from the tower body 1 through the air inlet pipe 3. Then, the delivery pump 618 is started. The operation of the delivery pump 618 draws hydrogen peroxide solution from the slurry pool 611 through the liquid suction pipe 617, and then delivers it to the rotating pipe 514 through the delivery pipe 619. Finally, it flows into the atomizing nozzle 6110 through the water outlet and is sprayed out. At the same time, the motor 513 is started. The operation of the motor 513 drives the rotating pipe 514 to rotate. The rotation of the rotating pipe 514 drives the first stirring blade 515 and the second stirring blade 516 to rotate. The rotation of the first stirring blade 515 drives the atomizing nozzle 6110 to rotate, thereby increasing the contact area between the hydrogen peroxide solution and the flue gas. The rotation of the second stirring blade 516 can keep the slurry in the slurry pool uniformly mixed and prevent sedimentation.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A desulfurization scrubbing tower, characterized in that, Includes the tower body (1); Support column 1 (2) is set at the bottom of tower body (1); An air inlet pipe (3) is installed on the outer wall of the tower body (1); An exhaust pipe (4) is installed at the top of the tower body (1); A stirring assembly (5) is installed inside the tower body (1); a spraying assembly (6) is installed at the bottom of the tower body (1); The stirring assembly (5) includes: Support block (511) is set on the top of tower body (1); A fixing plate (512) is provided on the top of the support block (511), and a fixing opening is provided on the top of the fixing plate (512); The bottom of the support block (511) is fixedly connected to the top of the tower body (1), the top of the support block (511) is fixedly connected to the bottom of the fixing plate (512), and a motor (513) is fixedly connected inside the fixing port. The spray assembly (6) includes: A slurry tank (611) is set at the bottom of the support column (2). A through hole is opened at the top of the slurry tank (611), and a connection hole is opened at the bottom of the slurry tank (611). Atomizing nozzle (6110) is disposed on the outer wall of the rotating tube (514) (11); The top of the slurry tank (611) is fixedly connected to the bottom of the first support column (2), the inner wall of the through hole is rotatably connected to the outer wall of the rotating pipe (514), the inner wall of the connecting hole is rotatably connected to the outer wall of the rotating pipe (514), the bottom of the slurry tank (611) is fixedly connected to the second support column (612), one side of the atomizing nozzle (6110) is fixedly connected to the outer wall of the rotating pipe (514) (12), and one side of the atomizing nozzle (6110) is connected to the water outlet.

2. The desulfurization scrubbing tower according to claim 1, characterized in that: The bottom of the tower body (1) is fixedly connected to the top of the support column (2), one end of the air inlet pipe (3) is connected to the outer wall of the tower body (1), and the top of the tower body (1) is connected to one end of the exhaust pipe (4).

3. A desulfurization scrubbing tower according to claim 2, characterized in that: The output end of the motor (513) is fixedly connected to a rotating tube (514). The outer circumference of the rotating tube (514) is provided with stirring blades one (515) at equal intervals, and the outer circumference of the rotating tube (514) is provided with stirring blades two (516) at equal intervals.

4. A desulfurization scrubbing tower according to claim 3, characterized in that: The output end of the motor (513) passes through the top of the tower body (1) and extends into the interior to be fixedly connected to the top of the rotating tube (514). The outer wall of the rotating tube (514) is provided with water outlet holes at equal intervals. The bottom of the rotating tube (514) passes through the bottom of the inner wall of the tower body (1) and extends to the outside.

5. A desulfurization scrubbing tower according to claim 4, characterized in that: The outer wall of the slurry tank (611) is connected to a drain pipe (613), and a control valve (614) is fixedly installed on the outer wall of the drain pipe (613). The top of the slurry tank (611) is connected to a return pipe (616).

6. A desulfurization scrubbing tower according to claim 5, characterized in that: The top of the return pipe (616) is connected to the bottom of the tower body (1), and the outer wall of the slurry tank (611) is connected to the suction pipe (617). One end of the suction pipe (617) is connected to the delivery pump (618), and the top of the delivery pump (618) is connected to the delivery pipe (619). The outer wall of the delivery pipe (619) is rotatably connected to the inner wall of the rotating pipe (514).