CN219615257U

CN219615257U - Desulfurizing tower for regenerating zinc oxide

Info

Publication number: CN219615257U
Application number: CN202321020584.XU
Authority: CN
Inventors: 甄伟; 赵亮; 王红旺
Original assignee: Jiayuguan Chuang Neng Renewable Resources Co ltd
Current assignee: Jiayuguan Chuang Neng Renewable Resources Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-09-01
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a desulfurizing tower for regenerating zinc oxide, which comprises a tower body, wherein a spray pipe and a packing layer are arranged in the tower body, the structure is improved in the scheme, a liquid storage cavity and a liquid mixing cavity are additionally arranged in the tower body, a material mixing pipe is additionally arranged in the liquid mixing cavity, when liquid in the liquid collecting cavity at the bottom of the tower body is pumped by a water pump II and is conveyed to a liquid mixing tank under pressure by gas, powder such as zinc oxide is added by a feed inlet II, then the powder enters the material mixing pipe through a communicating pipe and is discharged by a liquid outlet, gas type mixing and stirring are carried out, the structure composition is simplified, the mixed liquid in the liquid mixing cavity enters the liquid storage cavity, the liquid in the liquid storage cavity is pumped to the spray pipe through the water pump II, and a liquid mixing cavity is directly built in, no external liquid mixing equipment is needed, and the layout of a factory is facilitated.

Description

Desulfurizing tower for regenerating zinc oxide

Technical Field

The utility model relates to the technical field of desulfurizing tower devices, in particular to a desulfurizing tower for regenerating zinc oxide.

Background

One of the sulfur dioxide recovery processes disclosed in the market is as follows: zinc oxide is added into aluminum sulfate solution for alkalization treatment, and the mixed solution is sprayed and sprayed in a desulfurizing tower to absorb sulfur dioxide, when enough sulfur dioxide is absorbed to form sulfur-containing rich solution, the sulfur-containing rich solution is led out to a regenerating tower to release high-concentration sulfur dioxide, zinc oxide is required to be supplemented to control alkalinity and pH value at any time when the circulating absorption of the aluminum sulfate solution is simplified in the desulfurizing tower, common supplementing modes are that a liquid mixing device is arranged outside the tower to be matched with a stirring mechanism to stir and mix materials, and an external mixing mechanism influences the layout of factories and the like and needs improvement.

Disclosure of Invention

In order to solve at least one technical defect, the utility model provides the following technical scheme:

the utility model discloses a desulfurizing tower for regenerating zinc oxide, which comprises a tower body, wherein a spray pipe and a packing layer are arranged in the tower body, a spray head is arranged on the spray pipe, a liquid mixing cavity and a liquid storage cavity are arranged in an area above the spray pipe in a tower body cavity, the liquid storage cavity is communicated with the liquid mixing cavity above through a valve, the liquid storage cavity is communicated with the spray pipe through a water pump I arranged on the wall of the tower body, a liquid mixing pipe is arranged in the liquid mixing cavity, a liquid mixing tank is arranged on the wall of the tower body, the liquid mixing tank is connected with the liquid mixing pipe through a communicating pipe, a liquid outlet is arranged on the peripheral wall of the head end of the liquid mixing pipe, a first feed inlet and a second feed inlet are arranged on the liquid mixing tank, a liquid collecting cavity is arranged at the bottom of the tower body and is communicated with the first feed inlet through the water pump II and a connecting pipeline, and a gas pressurizing port is arranged on the connecting pipeline I.

The improved structure in this scheme increases stock solution chamber, thoughtlessly liquid chamber in tower intracavity to increase the thoughtlessly material pipe in thoughtlessly liquid intracavity, after tower intracavity bottom liquid collecting chamber is through the extraction of water pump two and gaseous pressurization is carried to thoughtlessly liquid jar, add powder through feed inlet two, like zinc oxide, later get into thoughtlessly material pipe through communicating pipe, discharge through the liquid outlet, gaseous formula mixing stirring, simplify the structure and constitute, liquid that thoughtlessly liquid intracavity mixed gets into the stock solution chamber, through water pump two with the liquid pumping of stock solution intracavity to the shower, direct built-in thoughtlessly liquid chamber, need not to add thoughtlessly liquid class equipment, make things convenient for the factory overall arrangement.

Further, the upper and lower interval sets up the shower in the tower body intracavity, and every shower below sets up the packing layer, and the liquid storage chamber sets up the filter layer with the region between the shower that is located the top, and the structure of two cooperation packing layers that spray helps sulfur dioxide fully absorbs, and the filter layer makes exhaust gas cleaner.

Further, a second connecting pipeline is arranged at the outlet of the first water pump and is communicated with each spray pipe.

Further, the novel tower body comprises an air outlet pipe, the tail end of the air outlet pipe penetrates through the liquid storage cavity and is communicated with the inside of the tower body, and the head end of the air outlet pipe extends out of the top wall of the tower body, so that air exhaust is facilitated.

Further, the top wall of the tower body is provided with an exhaust port and a valve, and the valve is only used for exhausting and not discharging liquid.

Further, the diameters of the liquid mixing tank and the material mixing pipe are larger than the diameter of the communicating pipe, and the change of the diameters is beneficial to uniform mixing.

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

1. the utility model improves the structure, mixes the materials by gas type stirring and embeds the tower body configuration of the liquid mixing cavity, simplifies the structure and is convenient for the layout of the factory.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the structure of the desulfurizing tower of example 1;

wherein, the reference numerals are as follows:

1. a tower body; 2. a filter layer; 3. a filler layer; 4. a shower pipe; 5. a spray head; 6. a liquid mixing cavity; 7. a liquid storage cavity; 8. a material mixing pipe; 9. a liquid mixing tank; 10. a second feeding port; 11. a first feeding port; 12. a pH meter; 13. a communicating pipe; 14. a first connecting pipeline; 15. a second water pump; 16. a gas pressurizing port; 17. a first water pump; 18. a second connecting channel; 19. a liquid outlet; 20. an air outlet pipe; 21. an exhaust port; 22. a liquid collection cavity; 23. a liquid guide port; 24. a liquid inlet.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples.

Example 1

As shown in fig. 1, in the desulfurizing tower for regenerating zinc oxide in this example, spray pipes 4, a packing layer 3 and a filter layer 2 are installed in a cavity of a tower body 1, wherein a liquid mixing cavity 6 and a liquid storage cavity 7 are formed in a top area of the cavity of the tower body 1 by partition plates in equal areas, the liquid mixing cavity 6 is located above the liquid storage cavity 7, the spray pipes 4 are installed in the cavity of the tower body 1 below the liquid storage cavity 7 at intervals up and down, a plurality of spray heads 5 are installed on the spray pipes 4 at intervals, the filter layer 2 is installed in an area between the liquid storage cavity 7 and the spray pipes 4 above, the packing layer 3 is installed below each spray pipe 4, and a liquid collecting cavity 22 is formed in the area of the tower body 1 below the lower packing layer 3.

The upper opening of the partition plate between the liquid storage cavity 7 and the liquid mixing cavity 6 is communicated, a valve is arranged at the opening, a first water pump 17 is arranged on the wall of the tower body 1 corresponding to the liquid storage cavity 7, the inlet of the first water pump 17 is communicated with the liquid storage cavity 7, a second connecting pipeline 18 is arranged at the outlet of the first water pump, and a branch pipe is arranged on the second connecting pipeline 18 and communicated with a corresponding spray pipe.

The water pump II 15 is arranged on the wall of the tower body corresponding to the liquid collecting cavity 22, the inlet of the water pump II 15 is communicated with the liquid collecting cavity 22, the connecting pipeline I14 is arranged at the outlet of the water pump II 15, the gas pressurizing port 16 for inputting gas is formed on the connecting pipeline I14, the material mixing pipe 8 is arranged in the liquid mixing cavity 6 as shown in figure 1, the liquid mixing tank 9 is arranged on the wall of the tower body corresponding to the liquid mixing cavity 6, the liquid mixing tank 9 is connected with the material mixing pipe 8 through the communicating pipe 13, the diameters of the liquid mixing tank 9 and the material mixing pipe 8 are both larger than the diameter of the communicating pipe 13, the liquid outlet 19 is formed on the peripheral wall of the end part of the material mixing pipe 8 at intervals, the material inlet I11 and the material inlet II 10 are formed on the liquid mixing tank 9, the connecting pipeline I14 is communicated with the material inlet I11, and the material inlet II 10 is used for charging zinc oxide.

In this example, the tail end of the air outlet pipe 20 passes through the cavity area above the filtering layer 2 from the liquid mixing cavity 6 and the liquid storage cavity 7, the head end extends out from the top wall of the tower body to exhaust air, an air outlet 21 is arranged on the tower body wall close to the head end of the air outlet pipe 20, a valve for exhausting air and not discharging liquid is arranged at the air outlet, and a liquid guide port 23 and a liquid inlet 24 are formed on the tower body wall at one side of the liquid collecting cavity.

A pH meter 12 may also be mounted to the tower wall to measure the pH of the liquid in the mixing chamber.

When the device is used, zinc oxide is added into aluminum sulfate solution for alkalization treatment, the mixed solution is sprayed to absorb sulfur dioxide, the sulfur dioxide is pumped into a liquid mixing tank through a liquid collecting cavity after liquid accumulation, zinc oxide is supplemented to control alkalinity and pH value, the mixed solution is fully mixed in the liquid mixing cavity after being mixed by a mixing pipe, the pH value is discharged into the liquid storage cavity after being measured to be qualified, the sulfur-containing rich solution is sprayed and discharged after being absorbed, when enough sulfur dioxide is absorbed to form the sulfur-containing rich solution, the sulfur-containing rich solution is led out from a liquid outlet at one side of the liquid collecting cavity to a regeneration tower to release high-concentration sulfur dioxide, and then the sulfur-containing rich solution is led in from a liquid inlet at one side of the liquid collecting cavity.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a desulfurizing tower for regenerating zinc oxide, includes the tower body, sets up shower, packing layer in the tower body, sets up the shower nozzle on the shower, its characterized in that sets up liquid mixing cavity, stock solution chamber in the region of tower intracavity shower top, liquid mixing cavity and top pass through the valve intercommunication, set up the liquid pump one intercommunication that sets up on the tower body wall between stock solution chamber and the shower, set up the liquid mixing pot on liquid mixing cavity and the tower body wall, set up the liquid outlet with communicating pipe connection and the head end perisporium of liquid mixing pipe between liquid mixing pot and the liquid mixing pipe, set up feed inlet one, feed inlet two on the liquid mixing pot, the chamber bottom of tower body sets up liquid collecting cavity and communicates with feed inlet one through water pump two, connecting pipe one, set up gas pressurization mouth on the connecting pipe one.

2. A desulfurizing tower for regenerating zinc oxide according to claim 1, wherein: spraying pipes are arranged in the tower body cavity at intervals up and down, a packing layer is arranged below each spraying pipe, and a filter layer is arranged in a region between the liquid storage cavity and the spraying pipe above.

3. A desulfurizing tower for regenerating zinc oxide according to claim 2, wherein: and a second connecting pipeline is arranged at the outlet of the first water pump and is communicated with each spray pipe.

4. A desulfurizing tower for regenerating zinc oxide according to claim 1, wherein: the tail end of the air outlet pipe penetrates through the liquid storage cavity and is communicated with the inside of the tower body cavity, and the head end of the air outlet pipe extends out of the top wall of the tower body.

5. A desulfurizing tower for regenerating zinc oxide according to claim 1, wherein: the top wall of the tower body is provided with an exhaust port and a valve.

6. A desulfurizing tower for regenerating zinc oxide according to claim 1, wherein: the diameters of the liquid mixing tank and the material mixing pipe are both larger than the diameter of the communicating pipe.