CN215572265U - Cooling tower for cooling titanium dioxide acidolysis circulating water - Google Patents
Cooling tower for cooling titanium dioxide acidolysis circulating water Download PDFInfo
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- CN215572265U CN215572265U CN202121920638.9U CN202121920638U CN215572265U CN 215572265 U CN215572265 U CN 215572265U CN 202121920638 U CN202121920638 U CN 202121920638U CN 215572265 U CN215572265 U CN 215572265U
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- circulating water
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Abstract
The utility model discloses a cooling tower for cooling titanium dioxide acidolysis circulating water, which comprises a tower body (1) and a circulating water tank (2), wherein the tower body is communicated with the circulating water tank through a water inlet (3) at the bottom, a water outlet (4) is formed in the side surface of the circulating water tank, the tower body is hermetically connected with the circulating water tank through a plate (5), an air outlet (6) is formed in the top of the tower body, a water collector (7) and a water distributor (8) are arranged in the tower body, and an air inlet (9) is formed in the plate. The utility model has the advantages that after the cooling tower is transformed, all the gas is uniformly collected to the washing tower for neutralization treatment because the whole cooling tower and the circulating water tank are in a sealed state and operate under a micro-negative pressure state, SO that the discharge amount of SO2 and dust is reduced. In addition, after the original plastic filler is removed, the machine does not need to be stopped to clean the filler in the production process, so that the driving rate of the cooling tower is improved.
Description
Technical Field
The utility model relates to the field of titanium dioxide production, in particular to a cooling tower for cooling titanium dioxide acidolysis circulating water.
Background
In the production process of titanium dioxide by a sulfuric acid method, an acidolysis process is particularly important. The acidolysis circulating water is used for absorbing the heat of the flue gas generated by the main acidolysis reaction, and the cooling tower is used for cooling the acidolysis circulating water, because the flue gas contains a large amount of SO2And dust, therefore, a large amount of alkali liquor is required to be added into a circulating water tank to neutralize circulating water and absorb SO2The acidolysis circulating water releases SO from an air outlet at the top of the cooling tower in the circulating cooling process2Causing environmental pollution; secondly, the cooling tower contains filler, and the filler of the cooling tower is blocked in the process of flowing through the filler because circulating water absorbs a large amount of dust.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the existing cooling tower structure pollutes the environment and is blocked by filling materials when acidolysis circulating water is treated, so that the cooling tower for cooling titanium dioxide acidolysis circulating water is provided.
The technical scheme of the utility model is as follows: a cooling tower for cooling titanium dioxide acidolysis circulating water, including tower body and circulating water pond, the water inlet and the circulating water pond intercommunication of tower body through the bottom, the delivery port has been seted up to circulating water pond's side, through panel sealing connection between tower body and the circulating water pond, the tower body top is equipped with the air outlet, inside water collector and the water-locator of being equipped with of tower body, the air intake has been seted up on the panel.
In the scheme, the circulating water pool is buried in the foundation.
In the scheme, the plate is made of glass fiber reinforced plastic.
The improvement of the scheme is that the side surface of the tower body is provided with an overhaul ladder.
The further improvement of the above scheme is that the air outlet is communicated with a gas-liquid separator, a liquid phase outlet of the gas-liquid separator is communicated with the tower body, a gas phase outlet of the gas-liquid separator is communicated with the lower part of the washing tower, and a top outlet of the washing tower is communicated with the exhaust funnel through an induced draft fan.
A further improvement of the above solution is that the upper and lower parts of the scrubber are connected by a spray pump.
The scheme is further improved in that the lower part of the washing tower is provided with an alkali liquor replenishing port.
The utility model has the advantages that the filler in the cooling tower is removed, the cooling tower is sealed with the circulating water pool by the glass fiber reinforced plastic plate, the side surface of the cooling tower is additionally provided with an air inlet for supplementing cold air into the cooling tower, the air outlet of the original cooling tower is plugged, then a DN500 air outlet is additionally arranged for being connected with a gas-liquid separator, and a set of flue gas washing device is additionally arranged for removing SO in the flue gas2So as to achieve the purpose of reaching the discharge standard. After the cooling tower is transformed, because the whole cooling tower and the circulating water tank are in a sealed state and operate in a micro-negative pressure state, all gases are uniformly collected into the washing tower for neutralization treatment, SO that SO is reduced2And dust emission. In addition, after the original plastic filler is removed, the machine does not need to be stopped to clean the filler in the production process, so that the driving rate of the cooling tower is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art cooling tower;
FIG. 2 is a schematic of the present invention;
FIG. 3 is a schematic view of the connection of the present invention to a flue gas scrubbing apparatus;
in the figure, the device comprises a tower body 1, a tower body 2, a circulating water tank 3, a water inlet 4, a water outlet 5, a plate 6, an air outlet 7, a water collector 8, a water distributor 9, an air inlet 10, an overhaul ladder 11, a gas-liquid separator 12, a washing tower 13, an induced draft fan 14, an exhaust funnel 15, a spray pump 16, an alkali liquor replenishing port 17, an axial flow fan 18 and a shutter.
Detailed Description
The technical scheme in the embodiment of the utility model is clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments based on the embodiments in the present invention, without any inventive work, will be apparent to those skilled in the art from the following description.
As shown in fig. 1, the existing cooling tower includes a tower body 1, a circulating water tank 2, and an axial flow fan at the top of the tower body and driven by a motor, an open shutter 18 structure is arranged between the tower body 1 and the circulating water tank 2, the tower body is communicated with the circulating water tank through a water inlet 3 at the bottom, a water outlet 4 is arranged at the side of the circulating water tank, and an air outlet is arranged at the top of the cooling tower, SO that SO is generated2The emission into the atmosphere causes pollution, and in recent years, the requirement for environmental protection is higher and higher, and the emission mode is not allowed. The circulating water absorbs a large amount of dust, which causes filler blockage in long-term circulating operation.
As shown in fig. 2, the tower body and the circulating water tank are hermetically connected through a plate 5, an air outlet 6 is arranged at the top of the tower body and seals the air outlet of the original cooling tower, a water collector 7 and a water distributor 8 are arranged inside the tower body, and an air inlet 9 is arranged on the plate and used for supplementing cold air into the cooling tower.
The circulating water pool of the present invention is buried in a foundation, which refers to a load-bearing structure such as a foundation pit, a bearing platform, a frame column, a ground beam, etc. below the ground of a building.
The sheet material in the present invention is preferably made of glass fiber reinforced plastic.
For the convenience of maintenance, the preferred example of the utility model is that the side surface of the tower body is provided with a maintenance ladder 10.
To reduce SO2The air outlet is connected with a flue gas washing device for removing SO in the flue gas2And the flue gas washing device comprises a gas-liquid separator 11 communicated with the air outlet, the liquid phase outlet of the gas-liquid separator is communicated with the tower body, the gas phase outlet of the gas-liquid separator is communicated with the lower part of the washing tower 12, and the top outlet of the washing tower is communicated with the exhaust funnel 14 through an induced draft fan 13.
The circulating water after heat exchange exchanges heat with cold air in the cooling tower, the air enters a vapor-liquid separator after heat exchange, the separated liquid enters a washing tower through a pipeline and is washed by alkali liquor to remove SO2And then the gas phase passes through a fan from a gas-liquid separator gas-phase outlet and is finally discharged from an exhaust funnel.
As a preferred example of the present invention, the upper part and the lower part of the washing tower are communicated by a spray pump 15 to realize circulating spray.
As another preferred example of the present invention, the lower part of the washing tower is provided with a lye supplement port 16. And the alkali liquor is supplemented through the alkali liquor supplementing port, so that the pH value in the washing tower is stable.
Claims (7)
1. A cooling tower for cooling titanium dioxide acidolysis circulating water, including tower body (1) and circulating water pond (2), the tower body is through water inlet (3) and the circulating water pond intercommunication of bottom, delivery port (4), characterized by have been seted up to the side in circulating water pond: the tower body is connected with the circulating water tank in a sealing mode through a plate (5), an air outlet (6) is formed in the top of the tower body, a water collector (7) and a water distributor (8) are arranged inside the tower body, and an air inlet (9) is formed in the plate.
2. The cooling tower for cooling titanium dioxide acidolysis circulating water as claimed in claim 1, which is characterized in that: the circulating water pool is buried in the foundation.
3. The cooling tower for cooling titanium dioxide acidolysis circulating water as claimed in claim 1, which is characterized in that: the plate is made of glass fiber reinforced plastic.
4. The cooling tower for cooling titanium dioxide acidolysis circulating water as claimed in claim 1, which is characterized in that: an access ladder (10) is arranged on the side surface of the tower body.
5. The cooling tower for cooling titanium dioxide acidolysis circulating water as claimed in claim 1, which is characterized in that: the air outlet intercommunication has vapour and liquid separator (11), vapour and liquid separator's liquid phase export and tower body intercommunication, vapour and liquid separator's gas phase export and the lower part intercommunication of scrubbing tower (12), the top export of scrubbing tower passes through draught fan (13) and aiutage (14) intercommunication.
6. The cooling tower for cooling titanium dioxide acidolysis circulating water as claimed in claim 5, which is characterized in that: the upper part and the lower part of the washing tower are communicated through a spray pump (15).
7. The cooling tower for cooling titanium dioxide acidolysis circulating water as claimed in claim 5, which is characterized in that: the lower part of the washing tower is provided with an alkali liquor replenishing opening (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121920638.9U CN215572265U (en) | 2021-08-17 | 2021-08-17 | Cooling tower for cooling titanium dioxide acidolysis circulating water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121920638.9U CN215572265U (en) | 2021-08-17 | 2021-08-17 | Cooling tower for cooling titanium dioxide acidolysis circulating water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215572265U true CN215572265U (en) | 2022-01-18 |
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ID=80081173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121920638.9U Active CN215572265U (en) | 2021-08-17 | 2021-08-17 | Cooling tower for cooling titanium dioxide acidolysis circulating water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215572265U (en) |
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2021
- 2021-08-17 CN CN202121920638.9U patent/CN215572265U/en active Active
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