Desulfurizing tower

Abstract

The utility model relates to the technical field of desulfurizing towers, and provides a desulfurizing tower which comprises a desulfurizing tower body, a buffer mechanism and a spraying mechanism, an air inlet pipe is arranged on the side portion of the desulfurizing tower body, an exhaust pipe is arranged at the upper end of the desulfurizing tower body, a blow-off pipe is arranged at the lower end of the desulfurizing tower body, and the buffer mechanism comprises a support and a turbofan. The support is arranged inside the desulfurizing tower body, the turbofan is arranged on the support, the spraying mechanism is arranged inside the desulfurizing tower body, and the spraying mechanism is located above the turbofan. By arranging the buffer mechanism, high-speed dust-containing gas flow enters the desulfurization tower body through the gas inlet pipe and then impacts the turbofan, the turbofan rotates under stress, and the turbofan guides flue gas while rotating, so that the impact force of dust-containing flue gas on the inner wall of the desulfurization tower body is weakened, the service life of the desulfurization tower body is prolonged, and the service life of the desulfurization tower body is prolonged. And the maintenance and repair frequency of the desulfurization tower body is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of desulfurization towers, in particular to a desulfurization tower. BACKGROUND

[0002] The desulfurization tower, also known as an absorption tower, is a device for treating sulfur dioxide (SO2) in flue gas. In the desulfurization tower, SO2 and other pollutants are absorbed by a desulfurizing agent, thereby achieving the purpose of purifying flue gas.

[0003] Due to the high flow rate of flue gas at the flue gas inlet of the desulfurization tower, the impact on the inner wall of the desulfurization tower is also severe. Long-term and high-speed flue gas scouring can accelerate the wear of the desulfurization tower inner wall material, which may reduce the structural integrity of the desulfurization tower, increase the risk of leakage, and also cause the desulfurization tower base material to be exposed to a corrosive environment, accelerating the corrosion process and increasing the maintenance and repair frequency of the desulfurization tower. This not only increases downtime but also increases maintenance costs. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a desulfurization tower that weakens the impact of high-speed dust-containing gas flow at the flue gas inlet of the desulfurization tower on the inner wall of the desulfurization tower, thereby reducing the maintenance and repair frequency of the desulfurization tower.

[0005] The present application provides a desulfurization tower, which adopts the following technical solutions:

[0006] A desulfurization tower, comprising a desulfurization tower body, a buffer mechanism, and a spraying mechanism, wherein the side of the desulfurization tower body is provided with an air inlet pipe, the upper end of the desulfurization tower body is provided with an air outlet pipe, and the lower end of the desulfurization tower body is provided with a blowdown pipe; the buffer mechanism comprises a bracket and a turbofan, the bracket is arranged inside the desulfurization tower body, and the turbofan is arranged on the bracket; the spraying mechanism is arranged inside the desulfurization tower body and located above the turbofan.

[0007] Preferably, the turbofan is provided with four, and the buffer mechanism further comprises a wind deflector, which is arranged on the bracket and located between the four turbofans.

[0008] Preferably, the wind deflector is in a V-shaped structure or a triangular pyramid structure.

[0009] Preferably, the spraying mechanism comprises a spraying pipe and a plurality of atomizing nozzles, the spraying pipe is arranged inside the desulfurization tower body, one end of the spraying pipe penetrates out of the desulfurization tower body, the spraying pipe is located above the turbofan, and the atomizing nozzles are arranged on the spraying pipe.

[0010] Preferably, the spraying mechanism is provided with two groups from top to bottom.

[0011] Preferably, a flue gas analyzer is connected to the exhaust pipe.

[0012] Preferably, a first control valve is arranged on the exhaust pipe, the first control valve is located at one end of the flue gas analyzer away from the desulfurization tower body, a branch pipe is arranged on the exhaust pipe, and a second control valve is arranged on the branch pipe, the branch pipe is located between the flue gas analyzer and the first control valve.

[0013] Preferably, a demister is arranged in the desulfurization tower body, and the demister is located above the spraying mechanism.

[0014] Preferably, a liquid discharge sight glass and a third control valve are arranged on the blowdown pipe, and the liquid discharge sight glass is located between the third control valve and the desulfurization tower body.

[0015] Compared with the prior art, the application has the beneficial effects that:

[0016] The application sets the buffering mechanism, the high-speed dust-containing airflow enters the inside of the desulfurization tower body through the air inlet pipe, impacts the vortex fan, the vortex fan rotates under force, the vortex fan guides the flue gas while rotating, thereby weakening the impact force of the dust-containing flue gas on the inner wall of the desulfurization tower body, prolonging the service life of the desulfurization tower body, and reducing the maintenance and repair frequency of the desulfurization tower body. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0018] Figure 1 It is a structural schematic view of the application.

[0019] Figure 2 It is a top view of the buffering mechanism in the application.

[0020] The reference signs are respectively:

[0021] 1, desulfurization tower body; 2, buffering mechanism; 3, spraying mechanism; 4, air inlet pipe; 5, exhaust pipe; 6, blowdown pipe; 7, support; 8, vortex fan; 9, wind block; 10, spraying pipe; 11, atomizing nozzle; 12, flue gas analyzer; 13, first control valve; 14, branch pipe; 15, second control valve; 16, demister; 17, liquid discharge sight glass; 18, third control valve. DETAILED DESCRIPTION

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the accompanying drawings for clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0024] It should be noted that similar reference numerals and letters in the following drawings represent similar items, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0025] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0026] In addition, the terms "horizontal", "vertical", "overhang" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0027] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Embodiments

[0029] AsFigure 1 and Figure 2 As shown in FIGS. 1, 2 and 3, the desulfurization tower provided by the embodiment of the present application comprises a desulfurization tower body 1, a buffer mechanism 2 and a spraying mechanism 3, the side of the desulfurization tower body 1 is provided with an air inlet pipe 4, the upper end of the desulfurization tower body 1 is provided with an air outlet pipe 5, the lower end of the desulfurization tower body 1 is provided with a blowdown pipe 6, the buffer mechanism 2 comprises a bracket 7 and a vortex fan 8, the bracket 7 is arranged inside the desulfurization tower body 1, the vortex fan 8 is arranged on the bracket 7, the spraying mechanism 3 is arranged inside the desulfurization tower body 1, and the spraying mechanism 3 is located above the vortex fan 8.

[0030] In use, the high-speed dust-containing gas enters the inside of the desulfurization tower body 1 through the air inlet pipe 4 and then impacts the vortex fan 8, the vortex fan 8 rotates under the force, and the vortex fan 8 guides the flue gas while rotating, so as to weaken the impact force of the dust-containing flue gas on the inner wall of the desulfurization tower body 1, prolong the service life of the desulfurization tower body 1, and reduce the maintenance and repair frequency of the desulfurization tower body 1. Then, the flue gas rises, the spraying mechanism 3 sprays the desulfurization liquid, the desulfurization liquid fully contacts and reacts with the flue gas, the desulfurization of the flue gas is realized, the desulfurized flue gas is discharged through the air outlet pipe 5, and the reacted desulfurization liquid falls into the lower end of the desulfurization tower body 1 and is discharged through the blowdown pipe 6.

[0031] In the embodiment, the vortex fan 8 is provided with four, the buffer mechanism 2 further comprises a wind-blocking block 9, the wind-blocking block 9 is arranged on the bracket 7, and the wind-blocking block 9 is located between the four vortex fans 8. In use, the flue gas on both sides impacts two vortex fans 8 and makes the two vortex fans 8 rotate, the flue gas in the middle passes through the gap between the two vortex fans 8 and then impacts the wind-blocking block 9, the flue gas is divided after impacting the wind-blocking block 9, the divided flue gas impacts the other two vortex fans 8 and makes the other two vortex fans 8 rotate, so as to realize the purpose of reducing the impact force of the flue gas. The spacing between the two vortex fans 8 close to the windward end of the wind-blocking block 9 is greater than the spacing between the two vortex fans 8 away from the windward end of the wind-blocking block 9. After the flue gas is divided by the wind-blocking block 9, the flue gas can better impact the two vortex fans 8 away from the windward end of the wind-blocking block 9, so as to reduce the impact force of the flue gas.

[0032] In the embodiment, the wind-blocking block 9 is in V-shaped structure or triangular pyramid structure, the wind-blocking block 9 in V-shaped structure or triangular pyramid structure can block the flue gas and play a role in dividing the flue gas, and is easy to be made and shaped.

[0033] In the embodiment, the spraying mechanism 3 comprises a spraying pipe 10 and a plurality of atomizing nozzles 11, the spraying pipe 10 is arranged inside the desulfurization tower body 1, one end of the spraying pipe 10 penetrates out of the desulfurization tower body 1, the spraying pipe 10 is located above the vortex fan 8, and the atomizing nozzles 11 are arranged on the spraying pipe 10. In use, under the action of the external slurry pump, the desulfurization liquid is pumped into the inside of the spraying pipe 10, and the atomizing nozzles 11 spray the desulfurization liquid in the inside of the desulfurization tower body 1.

[0034] In the embodiment, the spraying mechanism 3 is provided with two groups from top to bottom, and the two groups of spraying mechanism 3 are arranged one above the other, which can desulfurize the flue gas twice to ensure the desulfurization effect of the flue gas.

[0035] In the embodiment, the flue gas analyzer 12 is connected to the exhaust pipe 5, which is used to measure the content of sulfur dioxide and other components in the flue gas to avoid excessive emission of flue gas.

[0036] In the embodiment, the first control valve 13 is arranged on the exhaust pipe 5, which is located at the end of the flue gas analyzer 12 away from the desulfurization tower body 1. The branch pipe 14 is arranged on the exhaust pipe 5, and the second control valve 15 is arranged on the branch pipe 14. The branch pipe 14 is located between the flue gas analyzer 12 and the first control valve 13. When the flue gas desulfurization meets the standard, the first control valve 13 is opened and the second control valve 15 is closed, and the flue gas is discharged through the exhaust pipe 5. When the flue gas desulfurization does not meet the standard, the first control valve 13 is closed and the second control valve 15 is opened, and the flue gas is sent to the standby desulfurization device through the branch pipe 14 for desulfurization treatment again to avoid excessive emission of flue gas.

[0037] In the embodiment, the demister 16 is arranged in the desulfurization tower body 1, which is located above the spraying mechanism 3. The demister 16 is used to capture the mist particles and slurry droplets in the flue gas to ensure the use effect of the flue gas analyzer 12.

[0038] In the embodiment, the drain sight glass 17 and the third control valve 18 are arranged on the blowdown pipe 6. The drain sight glass 17 is located between the third control valve 18 and the desulfurization tower body 1. When in use, the worker can observe the blowdown condition of the blowdown pipe 6 through the drain sight glass 17. The third control valve 18 is used to control the blowdown speed to keep a certain amount of liquid in the blowdown pipe 6 to avoid the flue gas being discharged through the blowdown pipe 6.

[0039] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A desulfurization tower characterized by: Including desulfurization tower body, buffer mechanism and spray mechanism, the side of the desulfurization tower body is provided with air inlet pipe, the upper end of the desulfurization tower body is provided with exhaust pipe, the lower end of the desulfurization tower body is provided with blowdown pipe, the buffer mechanism includes support and vane, the support is arranged in the inside of the desulfurization tower body, the vane is arranged on the support, the spray mechanism is arranged in the inside of the desulfurization tower body, the spray mechanism is located above the vane.

2. A desulphurization tower according to claim 1, characterized in that: The vane is provided with four, the buffer mechanism further includes wind block, the wind block is arranged on the support, and the wind block is located between four vanes.

3. A desulphurization tower according to claim 2, characterized in that: The wind block is V-shaped structure or triangular pyramid structure.

4. A desulphurization tower according to claim 1, characterized in that: The spray mechanism includes spray pipe and several atomizing nozzles, the spray pipe is arranged in the inside of the desulfurization tower body, one end of the spray pipe penetrates out of the desulfurization tower body, the spray pipe is located above the vane, and the atomizing nozzle is arranged on the spray pipe.

5. A desulphurisation tower according to claim 4, characterised in that: The spray mechanism is provided with two groups from top to bottom.

6. A desulphurization tower according to claim 1, characterized in that: The exhaust pipe is connected with flue gas analyzer.

7. A desulphurization tower according to claim 6, characterized in that: The first control valve is arranged on the exhaust pipe, the first control valve is located at the end of the flue gas analyzer away from the desulfurization tower body, the branch pipe is arranged on the exhaust pipe, the second control valve is arranged on the branch pipe, and the branch pipe is located between the flue gas analyzer and the first control valve.

8. A desulphurization tower according to claim 7, characterized in that: The inside of the desulfurization tower body is provided with mist eliminator, and the mist eliminator is located above the spray mechanism.

9. A desulphurization tower according to claim 1, characterized in that: The blowdown pipe is provided with liquid discharge sight glass and third control valve, and the liquid discharge sight glass is located between the third control valve and the desulfurization tower body.

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