Efficient desulfurizing tower

Abstract

The utility model belongs to the technical field of desulfurizing towers, and particularly relates to an efficient desulfurizing tower which comprises a desulfurizing tower body, a flue gas pipe is mounted on one side of the desulfurizing tower body, extends into the desulfurizing tower body and extends to the position, close to the bottom end, of the desulfurizing tower body, and a foaming pipe is mounted in the flue gas pipe and located in the desulfurizing tower body. At least one water pump is installed on the outer side of the desulfurizing tower body, a water suction pipe is fixed to the input end of the water pump, the water suction pipe extends into the desulfurizing tower body and is close to the bottom end, a conveying pipe is fixed to the output end of the water pump, and the end, away from the water pump, of the conveying pipe extends into the desulfurizing tower body and is close to the top end. A plurality of rotary nozzles are mounted at the bottom of the conveying pipe and located in the desulfurization tower body, and a flue gas outlet is formed in the top of the desulfurization tower body. According to the utility model, the gas-liquid contact time is stable, the desulfurization effect is stable, the production continuity is guaranteed, and the reaction is more sufficient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of desulfurization tower, specifically relates to a high -efficient desulfurization tower. BACKGROUND

[0002] In the environmental protection technical field, as the key equipment of controlling sulfur dioxide emission in industrial flue gas, the performance of desulfurization tower is directly related to the realization of air quality improvement and sustainable development goal, with the acceleration of global industrialization process, the scale of industries such as thermal power generation, steel smelting and chemical production is expanding, and the desulfurization efficiency and stability of desulfurization tower are continuously growing, and higher requirements are put forward to the desulfurization efficiency and stability of desulfurization tower;

[0003] The early desulfurization tower technology mainly adopts limestone-gypsum method, and the traditional process realizes the removal of sulfur dioxide by contacting flue gas with slurry containing limestone, however, in the actual application process, the technology exposes many problems, and the most prominent one is that gas-liquid contact is insufficient, resulting in low desulfurization efficiency, for example, in direct spraying technology, flue gas and spraying slurry only contact in limited space and time, and a large amount of sulfur dioxide is not fully reacted and is discharged with flue gas, which is difficult to meet the increasingly strict environmental emission standards;

[0004] In order to improve the desulfurization efficiency, the prior art has made a series of improvements, such as part of the desulfurization tower adopts the mode of setting a bubbling device at the flue gas inlet, so that the flue gas generates a large amount of bubbles through the bubbling device, and chemical reaction occurs in the reaction tank with the slurry, so as to improve the desulfurization effect as a pretreatment process;Some connect rotating nozzles at the end of the spraying pipe, utilize centrifugal force to realize 360-degree dynamic full coverage, and increase the gas-liquid contact area. These improvement measures improve the desulfurization efficiency to a certain extent, but there is still optimization space;

[0005] The current common bubbling device is fixed in position or inconvenient to adjust in the reaction tank, and often cannot always ensure sufficient contact with the desulfurization liquid at the position close to the bottom end, when the liquid level of the desulfurization liquid in the reaction tank changes, the bubbling device cannot adjust the position in time, resulting in unstable gas-liquid contact time, affecting the continuity and stability of the desulfurization effect;

[0006] Therefore, it has important practical significance to develop a new desulfurization tower. INVENTION CONTENTS

[0007] The utility model aims at providing a kind of high -efficient desulfurization tower, can guarantee gas-liquid contact time stability, desulfurization effect stability, guarantee production continuity, make reaction more fully.

[0008] The technical scheme adopted by the utility model is as follows:

[0009] The utility model provides a high -efficient desulfurization tower, including the desulfurization tower body, one side of desulfurization tower body is installed with flue gas pipe, the inside of flue gas pipe and inside desulfurization tower body installs the bubble tube in the position of near bottom end and extends to the position of near bottom end of desulfurization tower body,

[0010] The outside of the desulfurization tower body is installed with at least one water pump, the input end of the water pump is fixed with a water suction pipe, the water suction pipe extends into the desulfurization tower body and is close to the bottom end, the output end of the water pump is fixed with a delivery pipe, the end of the delivery pipe away from the water pump extends into the desulfurization tower body and is close to the top end, a plurality of rotating nozzles are installed at the bottom of the delivery pipe and inside the desulfurization tower body, and a flue gas outlet is arranged at the top of the desulfurization tower body.

[0011] A driving mechanism is installed inside the flue gas pipe for driving the bubble tube to move up and down.

[0012] A motor is installed at the bottom of the inside of the flue gas pipe, a threaded rod is vertically fixed to the output end of the motor and threadedly connected with the bubble tube, and at least one limiting rod is also installed at the bottom of the inside of the flue gas pipe and slidably connected with the bubble tube.

[0013] An inclined baffle is fixed at the bottom of the rotating nozzles and inside the desulfurization tower body, the inclined baffle is inclined, a gap is arranged between the end of the inclined baffle inclined upward and the desulfurization tower body, and through holes are uniformly arranged in the inclined baffle.

[0014] Two falling baffles are symmetrically arranged at the bottom of the bubble tube and inside the desulfurization tower body, and the two falling baffles are inclined downward toward the side close to each other, and the falling baffles are located at the bottom of the water suction pipe.

[0015] A filter screen is installed at the end of the water suction pipe away from the water pump.

[0016] A demisting plate is installed at the top of the delivery pipe and inside the desulfurization tower body.

[0017] The utility model discloses the technical effect achieved is:

[0018] The utility model discloses the adjustability of bubble tube can guarantee gas -liquid contact time stability, and desulfurization effect is stable, guarantees the continuity of production, makes the reaction more fully, compares the desulfurization efficiency of prior art to improve, effectively reduces the atmospheric pollution. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the utility model;

[0020] Figure 2 is the sectional view of the desulfurizing tower body in the utility model;

[0021] Figure 3 is the structural schematic view between the flue gas pipe and the bubbling pipe in the utility model;

[0022] Figure 4 is the sectional view of the flue gas pipe in the utility model;

[0023] Figure 5 is the structural schematic view of the inclined baffle in the utility model;

[0024] Figure 6 is the structural schematic view of the whole in the utility model;

[0025] Figure 7 is the structural schematic view of the rotary nozzle in the utility model;

[0026] Figure 8 is the structural schematic view of the bubbling pipe in the utility model.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] 1, desulfurizing tower body; 2, flue gas pipe; 3, bubbling pipe; 4, water pump; 5, conveying pipe; 6, rotary nozzle; 7, inclined baffle; 8, through hole; 9, demisting plate; 10, filter screen plate; 11, flue gas outlet; 12, falling baffle; 13, motor; 14, threaded rod; 15, limiting rod; 16, water suction pipe. DETAILED DESCRIPTION

[0029] In order to make the purpose and the advantages of the utility model more clear and obvious, the utility model is specifically described below in combination with examples.It should be understood that the following text is only used to describe one or several specific implementation modes of the utility model, and does not strictly limit the protection scope of the specific request of the utility model.

[0030] As shown in Figures 1-8 , a high-efficiency desulfurizing tower, comprising a desulfurizing tower body 1, a liquid for adsorbing sulfur content in flue gas is arranged at the bottom of the desulfurizing tower body 1, the liquid can be calcium carbonate or limestone and water mixture or other liquid capable of adsorbing sulfur dioxide, a flue gas pipe 2 is installed on one side of the desulfurizing tower body 1, the flue gas pipe 2 extends into the inside of the desulfurizing tower body 1 and extends to the position close to the bottom end of the desulfurizing tower body 1, a bubbling pipe 3 is installed inside the flue gas pipe 2 and in the inside of the desulfurizing tower body 1;

[0031] The wind guide outside the tower body 1 is used for conveying the sulfur-containing gas into the tower body 1, and the liquid is conveyed to the bottom of the liquid, so that the liquid can adsorb the sulfur dioxide. The bubble tube 3 is arranged to disperse the gas, so that more bubbles are generated in the liquid, the area of the gas-liquid contact is increased, and the desulfurization effect is ensured.

[0032] The inside of the flue gas pipe 2 is provided with a driving mechanism for driving the bubble tube 3 to move up and down.

[0033] Referring to the drawings Figure 4 The bottom of the inside of the flue gas pipe 2 is provided with a motor 13, the output end of the motor 13 is vertically fixed with a threaded rod 14, the threaded rod 14 is threadedly connected with the bubble tube 3, and at least one limiting rod 15 is arranged on the bottom of the inside of the flue gas pipe 2 and is slidably connected with the bubble tube 3.

[0034] When the flue gas is inserted into the liquid for desulfurization, the position of the bubble tube 3 needs to be changed, the motor 13 is driven to rotate the threaded rod 14, the threaded connection between the threaded rod 14 and the bubble tube 3, and the sliding connection between the bubble tube 3 and the limiting rod 15 are used to make the bubble tube 3 move up and down, so that the bubble tube 3 can adapt to the depth of the liquid, and the bubble tube 3 can always be located at the position close to the bottom end of the liquid, so that the gas and the liquid are in contact for a long time, and the desulfurization effect is ensured. According to the above structure, two falling baffles 12 are symmetrically arranged in the inside of the tower body 1 and at the bottom of the bubble tube 3, the two falling baffles 12 are inclined downward towards each other, and the falling baffles 12 are located at the bottom of the water suction pipe 16. Through the above arrangement, the falling baffles 12 can guide the particulate matters in the flue gas, so that the particulate matters slide along the falling baffles 12 to the bottom of the tower body 1, and the movement of the particulate matters to the top of the falling baffles 12 is reduced.

[0035] At least one water pump 4 is arranged on the outside of the tower body 1, the input end of the water pump 4 is fixed with a water suction pipe 16, further, a filter screen 10 is arranged on the end of the water suction pipe 16 away from the water pump 4, the filter screen 10 is arranged to filter the adsorbed liquid, so as to avoid the blockage of the water suction pipe 16 or the conveying pipe 5. The water suction pipe 16 extends into the tower body 1 and is located at a position close to the bottom end, the output end of the water pump 4 is fixed with a conveying pipe 5, one end of the conveying pipe 5 away from the water pump 4 extends into the tower body 1 and is located at a position close to the top end, a plurality of rotating nozzles 6 are arranged on the bottom of the conveying pipe 5 and in the inside of the tower body 1, and a flue gas outlet 11 is arranged on the top of the tower body 1.

[0036] The gas reacted with the liquid floats upward, the input end of the water pump 4 absorbs the liquid through the water suction pipe 16 and delivers the liquid to the rotating spray head 6 through the delivery pipe 5, so that the rotating spray head 6 sprays while rotating, and the flue gas can be subjected to secondary desulfurization treatment, referring to the attached Figure 2 and the attached Figure 5 The inside of the desulfurization tower body 1 and the bottom of the rotating spray head 6 are fixed with an inclined baffle 7, the inclined baffle 7 is inclined, a gap is arranged between the upward inclined end of the inclined baffle 7 and the desulfurization tower body 1, and the inclined baffle 7 is uniformly provided with through holes 8, so that the inclined baffle 7 can block the rapid upward movement of the flue gas as much as possible, thereby ensuring the desulfurization effect of the rotating spray head 6 on the flue gas, and through the arrangement of the gap and the through holes 8, when there is more flue gas, the flue gas can rise through the gap and the through holes 8, reducing the accumulation, and the inside of the desulfurization tower body 1 and the top of the delivery pipe 5 are installed with a demisting plate 9, which removes the water in the gas to avoid pollution and corrosion of other devices such as chimneys or fans, and then the gas is discharged through the flue gas outlet 11.

[0037] The above is only the preferred embodiment of the present application, it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specifically described and limited, are implemented according to the conventional means in the art.

Claims

1. A high efficiency desulfurization tower comprising a desulfurization tower body (1), characterized in that: The flue gas pipe (2) is installed on one side of the desulfurization tower body (1), extends into the desulfurization tower body (1) and extends to a position close to the bottom end of the desulfurization tower body (1), and the inside of the flue gas pipe (2) and the inside of the desulfurization tower body (1) are provided with a bubbling pipe (3); At least one water pump (4) is installed on the outside of the desulfurization tower body (1), the input end of the water pump (4) is fixedly provided with a water suction pipe (16), the water suction pipe (16) extends into the desulfurization tower body (1) and is close to the bottom end, the output end of the water pump (4) is fixedly provided with a conveying pipe (5), one end of the conveying pipe (5) away from the water pump (4) extends into the desulfurization tower body (1) and is close to the top end, a plurality of rotating nozzles (6) are installed at the bottom of the conveying pipe (5) and in the inside of the desulfurization tower body (1), and a flue gas outlet (11) is arranged at the top of the desulfurization tower body (1); A driving mechanism is installed in the inside of the flue gas pipe (2), and the driving mechanism is used to drive the bubbling pipe (3) to move up and down.

2. A high efficiency desulphurization tower as claimed in claim 1, wherein: A motor (13) is installed at the bottom of the inside of the flue gas pipe (2), a threaded rod (14) is fixedly arranged vertically upward at the output end of the motor (13), the threaded rod (14) is threadedly connected with the bubbling pipe (3), and at least one limiting rod (15) is also installed at the bottom of the inside of the flue gas pipe (2) and is slidably connected with the bubbling pipe (3).

3. The high efficiency desulphurization tower as claimed in claim 1 wherein: An inclined baffle (7) is fixedly arranged at the bottom of the rotating nozzle (6) and in the inside of the desulfurization tower body (1), the inclined baffle (7) is arranged in an inclined manner, a gap is arranged between the end of the inclined baffle (7) inclined upward and the desulfurization tower body (1), and through holes (8) are uniformly arranged in the inclined baffle (7).

4. The high efficiency desulphurization tower as claimed in claim 1, wherein: Two falling baffles (12) are symmetrically arranged at the bottom of the bubbling pipe (3) and in the inside of the desulfurization tower body (1), the two falling baffles (12) are arranged in an inclined downward manner towards the sides close to each other, and the falling baffles (12) are arranged at the bottom of the water suction pipe (16).

5. A high efficiency desulphurization tower as claimed in claim 4, wherein: A filter screen (10) is arranged at the end of the water suction pipe (16) away from the water pump (4).

6. The high efficiency desulphurization tower as claimed in claim 2, wherein: A demisting plate (9) is arranged at the top of the conveying pipe (5) and in the inside of the desulfurization tower body (1).

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