CN219784344U

CN219784344U - Flue gas desulfurization device

Info

Publication number: CN219784344U
Application number: CN202321200318.5U
Authority: CN
Inventors: 韩奉序; 于洪贵; 王瑾石
Original assignee: Datang Qitaihe Power Generation Co Ltd; Datang Heilongjiang Power Generation Co Ltd
Current assignee: Datang Qitaihe Power Generation Co Ltd; Datang Heilongjiang Power Generation Co Ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-10-03
Anticipated expiration: 2033-05-18

Abstract

The utility model relates to the technical field of flue gas treatment, in particular to a flue gas desulfurization device, which comprises a desulfurization box for introducing flue gas and a mixing drum for storing suction liquid, wherein a wall scraping mechanism for scraping reactants in the box is arranged in the desulfurization box, a mixing piece for mixing the suction liquid is arranged in the mixing drum, and the wall scraping mechanism and the mixing piece are driven by a transmission mechanism; the wall scraping mechanism comprises a first main shaft which is rotatably arranged at the top of the desulfurization box and a second main shaft which is arranged at the bottom of the box, and at least one wall scraping rod is arranged between the first main shaft and the second main shaft. Through the wall scraping mechanism that sets up, when outside drive arrangement drives, can be through first main shaft and the second main shaft that rotate the setting to this synchronous realization scrapes the rotation of wall pole, because it presents "" shape to scrape the wall pole, can rotate round the inner wall of desulfurization case, with this scale thing that will be in on the desulfurization case inner wall clear up, in order to avoid the scale thing to influence desulfurization operation.

Description

Flue gas desulfurization device

Technical Field

The utility model relates to the technical field of flue gas treatment, in particular to a flue gas desulfurization device.

Background

Sulfur dioxide and smoke dust are one of the most important sources causing acid rain and dust haze, sulfur dioxide mainly comes from flue gas generated by fire coal, in order to purify sulfur dioxide in the flue gas, two treatment methods of dry desulfurization and wet desulfurization are generally adopted, the current wet desulfurization generally uses slurry such as calcium hydroxide and the like as absorption liquid and sprays the slurry in a countercurrent way with the gas so as to absorb sulfur-containing substances in the flue gas, the absorption liquid of the calcium hydroxide can react with sulfur dioxide in the flue gas, thereby generating reactants similar to calcium sulfate dihydrate, the reactants can be adsorbed in the flue gas for a long time, scaling is caused, the interior of the whole desulfurization device can be blocked even the desulfurization operation is influenced due to the long-time uncleand the sulfur dioxide is not cleaned.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a flue gas desulfurization device, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the flue gas desulfurization device comprises a desulfurization box for introducing flue gas and a mixing drum for storing suction liquid, wherein a wall scraping mechanism for scraping reactants in the box is arranged in the desulfurization box, a mixing piece for mixing the suction liquid is arranged in the mixing drum, and the wall scraping mechanism and the mixing piece are driven by a transmission mechanism;

the wall scraping mechanism comprises a first main shaft which is rotatably arranged at the inner top of the desulfurization box and a second main shaft which is arranged at the inner bottom of the box, at least one wall scraping rod is arranged between the first main shaft and the second main shaft, the wall scraping rod is in a shape, a scraper is arranged on the working surface of the wall scraping rod, and the first main shaft is driven by an external driving device.

Preferably, a water pump is arranged on the desulfurization box, the water inlet end of the water pump is communicated in the mixing drum through a water inlet pipe, the water outlet end of the water pump is connected to the top of the desulfurization box through a water outlet pipe, and one end of the water outlet pipe is connected with a spray head positioned at the top in the desulfurization box.

Preferably, the wall scraping mechanism further comprises a flow equalizing frame arranged on the opening of the wall scraping rod, the flow equalizing frame is in a circular ring shape, and a plurality of flow equalizing pieces are arranged on the flow equalizing frame at equal intervals.

Preferably, the mixing piece comprises a mixing rod which is rotatably arranged in the mixing cylinder, and the mixing rod is provided with a dragon blade for sucking liquid for mixing.

Preferably, the transmission mechanism is a belt mechanism, the belt mechanism comprises belt wheels arranged on the mixing rod body and the conveying shaft of the driving device, and belt transmission is carried out between the two belt wheels.

Preferably, the desulfurizing box is hinged with a cleaning box door.

(III) beneficial effects

Compared with the prior art, the utility model provides a flue gas desulfurization device, which has the following beneficial effects:

1. through the wall scraping mechanism that sets up, when outside drive arrangement drives, can be through first main shaft and the second main shaft that rotate the setting to this synchronous realization scrapes the rotation of wall pole, because it presents "" shape to scrape the wall pole, can rotate round the inner wall of desulfurization case, with this clear up the scale thing that will be in on the desulfurization case inner wall, in order to avoid the scale thing to influence desulfurization operation, improved its holistic life.

2. Through mixing piece and the band pulley that set up, utilize belt drive between the band pulley to this can rotate in order to suck the mixed operation of liquid through the flood dragon leaf when drive arrangement drives, the compact structure of whole, convenient overall management to the realization hybrid lever that can be synchronous.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partially cut-away structure of the present utility model;

FIG. 3 is a schematic view of a part of the structure of the mixing element and the scraping mechanism of the utility model;

fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.

In the figure: 1. a desulfurization tank; 2. a mixing drum; 3. a water pump; 4. a mixing element; 401. a mixing rod; 402. dragon leaves; 5. a wall scraping mechanism; 501. a first spindle; 502. a second spindle; 503. a wall scraping rod; 504. a flow equalizing frame; 505. a flow equalizing sheet; 506. a scraper; 6. a spray head; 7. a belt wheel.

Detailed Description

The following detailed description of embodiments of the present utility model will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present utility model can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Fig. 1-4 show an embodiment of the present utility model, a flue gas desulfurization device, including a desulfurization box 1 for introducing flue gas and a mixing drum 2 for storing suction liquid, where an air inlet is provided on the desulfurization box 1 to facilitate the flue gas pipe to be introduced into the desulfurization box 1 through the air inlet, an air outlet is provided on the top of the desulfurization box 1, so that after desulfurization is finished, gas can be smoothly discharged, and the mixing drum 2 is provided on the desulfurization box 1 through a mounting plate, and the mixing drum 2 is provided with a liquid inlet hopper, a wall scraping mechanism 5 for scraping reactants in the box is provided in the desulfurization box 1, a mixing member 4 for mixing the suction liquid is provided in the mixing drum 2, the wall scraping mechanism 5 and the mixing member 4 are driven by a transmission mechanism, and when the wall scraping mechanism 5 is driven, the mixing member 4 can synchronously start rotating treatment.

In this embodiment, referring to fig. 3, it should be noted that, the wall scraping mechanism 5 includes a first main shaft 501 rotatably disposed at the top in the desulfurization box 1, and a second main shaft 502 disposed at the bottom in the box, at least one wall scraping rod 503 is disposed between the first main shaft 501 and the second main shaft 502, two scraping rods 503 are disposed in this embodiment, and the wall scraping rod 503 presents a shape of "", a scraper 506 is disposed on a working surface of the wall scraping rod 503, the first main shaft 501 is driven by an external driving device, the driving device is a servo motor, when the driving device drives, the first main shaft 501 starts to rotate, and cooperates with the rotation of the second main shaft 502, the wall scraping rod 503 is synchronously driven to operate, so as to rotate around an inner wall and an inner bottom of the desulfurization box 1, thereby realizing cleaning of the scale, and a cleaning box door is hinged on the desulfurization box 1, the cleaned scale is left at the bottom of the box, by opening the cleaning box door, the cleaning rod 503 is convenient for workers, and the wall scraping mechanism 5 also includes a frame 504 disposed on an opening of the wall scraping rod, and a frame 505, and a plurality of uniform flow-equalizing plates are disposed on the frame 504, and a plurality of uniform flow-equalizing plates are disposed on the frame 505, so that the flow-equalizing plates can absorb flue gas flow in a plurality of uniform flow-equalizing plates.

In this embodiment, referring to fig. 1 and 2, it should be noted that, a water pump 3 is disposed on the desulfurization tank 1, the water inlet end of the water pump 3 is communicated in the mixing drum 2 through a water inlet pipe, the water outlet end of the water pump 3 is connected to the top of the desulfurization tank 1 through a water outlet pipe, one end of the water outlet pipe is connected with a spray head 6 positioned at the top of the desulfurization tank 1, and through the operation of the water pump 3, the liquid suction in the mixing drum 2 can be extracted, and is connected to the spray head 6 through the water inlet pipe, so as to spray the liquid suction conveniently, so that sulfur dioxide in the flue gas can be reacted for treatment, and the desulfurization effect is achieved.

In this embodiment, referring to fig. 3, it should be noted that, the mixing element 4 includes a mixing rod 401 rotatably disposed in the mixing drum 2, a dragon blade 402 for sucking liquid for mixing is disposed on the mixing rod 401, and the transmission mechanism is a belt mechanism, the belt mechanism includes a belt wheel 7 disposed on a rod body of the mixing rod 401 and a conveying shaft of the driving device, and the belt wheels 7 are driven by the belt, and when the driving device drives, the rotation of the mixing rod 401 is synchronously realized by the belt transmission between the belt wheels 7, so as to drive the rotation of the dragon blade 402, and the mixing operation of sucking liquid is realized by the rotation of the dragon blade 402.

When the desulfurization device works, flue gas is introduced into the desulfurization box 1 through the air inlet, synchronous external power supply is used for operating through the water pump 3, thereby extracting liquid sucked in the mixing drum 2, and the liquid is connected to the spray head 6 through the water inlet pipe, so that the liquid sucked can be conveniently subjected to reaction treatment on sulfur dioxide in the flue gas, the desulfurization effect is achieved, during the desulfurization, the first main shaft 501 can be driven to start rotating through the driving of the driving device, the second main shaft 502 is matched to rotate, the wall scraping rod 503 is synchronously driven to operate, the inner wall and the inner bottom of the desulfurization box 1 are rotated, the cleaning of the scale is realized, the synchronous belt transmission between the belt wheels 7 can synchronously realize the rotation of the mixing rod 401, and the rotation of the dragon blade 402 is driven, so that the rotation of the dragon blade 402 realizes the liquid sucked mixing work.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting a mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flue gas desulfurization device, is including being used for letting in desulfurization case (1) and the mixing drum (2) that are used for storing the suction liquid of flue gas, its characterized in that: a scraping mechanism (5) for scraping reactants in the desulfurization box (1) is arranged in the desulfurization box, a mixing piece (4) for sucking liquid for mixing is arranged in the mixing cylinder (2), and the scraping mechanism (5) and the mixing piece (4) are driven by a transmission mechanism;

the wall scraping mechanism (5) comprises a first main shaft (501) which is rotatably arranged at the inner top of the desulfurization box (1) and a second main shaft (502) which is arranged at the inner bottom of the box, at least one wall scraping rod (503) is arranged between the first main shaft (501) and the second main shaft (502), the wall scraping rod (503) is in a shape, a scraper (506) is arranged on the working surface of the wall scraping rod (503), and the first main shaft (501) is driven by an external driving device.

2. A flue gas desulfurization device according to claim 1, wherein: be equipped with a water pump (3) on desulfurization case (1), the inlet end of water pump (3) is through inlet tube intercommunication in mixing drum (2), and the play water end of water pump (3) is connected to the top of desulfurization case (1) through the outlet pipe, and the one end of outlet pipe is connected with shower nozzle (6) at the interior top of desulfurization case (1).

3. A flue gas desulfurization device according to claim 1, wherein: the wall scraping mechanism (5) further comprises a flow equalizing frame (504) arranged on the opening of the wall scraping rod (503), the flow equalizing frame (504) is in a circular ring shape, and a plurality of flow equalizing pieces (505) are equidistantly arranged on the flow equalizing frame (504).

4. A flue gas desulfurization apparatus according to claim 3, wherein: the mixing piece (4) comprises a mixing rod (401) rotatably arranged in the mixing cylinder (2), and the mixing rod (401) is provided with dragon leaves (402) for sucking liquid for mixing.

5. A flue gas desulfurization device according to claim 4, wherein: the transmission mechanism is a belt mechanism, the belt mechanism comprises belt wheels (7) arranged on a rod body of the mixing rod (401) and a conveying shaft of the driving device, and the two belt wheels (7) are transmitted through a belt.

6. A flue gas desulfurization device according to claim 1, wherein: the desulfurizing box (1) is hinged with a cleaning box door.