Integrated dust removal device for SCR (Selective Catalytic Reduction) denitration system

Abstract

The utility model relates to the technical field of dust removal equipment, and discloses an SCR denitration system dust removal integrated device which comprises a dust removal box, a water tank, a water pump and a stirring assembly, a clamping groove is formed in the top wall of the dust removal box, a clamping plate is arranged in the clamping groove in a clamped mode, a filter screen is installed in the clamping plate, and a water pumping opening of the water pump communicates with a water pumping pipe; the end, away from the water pump, of the water pumping pipe extends into the water tank, a drainage port of the water pump communicates with a drainage pipe, the end, away from the water pump, of the drainage pipe extends into the dust removal box and communicates with a transverse pipe, and the bottom of the transverse pipe communicates with a plurality of spraying pipes; compared with the prior art, secondary filtering and dust falling of the flue gas can be achieved through the filtering net and the spraying pipe, and the efficiency of treating dust in the flue gas is improved.

Description

Technical Field

[0001] The present application relates to the technical field of dust removal equipment, and in particular to an integrated dust removal device for an SCR denitration system. Background Art

[0002] The importance of removing nitrogen oxides from combustion flue gas and preventing environmental pollution has been sharply raised as a global issue. The more mainstream processes in the world are divided into: SCR and SNCR. Dust removal is the process of separating these particles from the smoke and capturing and recovering them. Dust removal is required after flue gas combustion.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the SCR denitrification system dust removal device in the traditional technology generally only filters and removes dust through a filter net, which will result in low efficiency in treating dust in the flue gas and poor dust removal effect, and there are defects. Therefore, an SCR denitrification system dust removal integrated device is proposed to solve the above problems.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to solve the problem that the SCR denitrification system dust removal device in the traditional technology generally only filters and removes dust through a filter net, which leads to low efficiency in treating dust in the flue gas and poor dust removal effect, the present application provides an SCR denitrification system dust removal integrated device.

[0006] The SCR denitration system dust removal integrated device provided in this application adopts the following technical solution:

[0007] A dust removal integrated device for an SCR denitration system comprises a dust removal box, a water tank, a water pump and a stirring assembly, a card slot is provided on the top wall of the dust removal box, a card slot is provided inside the card slot, a filter is installed inside the card slot, a water suction port of the water pump is connected with a water suction pipe, an end of the water suction pipe away from the water pump extends to the inside of the water tank, a water discharge port of the water pump is connected with a drain pipe, an end of the drain pipe away from the water pump is provided to extend to the inside of the dust removal box and is connected with a cross pipe, a plurality of spray pipes are connected at the bottom of the cross pipe, a support platform is fixedly connected to the inside of the dust removal box, external flue gas first passes through the filter, large particles of smoke therein are adsorbed by the filter, the flue gas and small particles of smoke pass through the filter and enter below the spray pipe, by starting the water pump, the water in the water tank is absorbed when the water pump works, the water in the water tank passes through the water suction pipe and the drain pipe in turn into the inside of the cross pipe and is sprayed out through the spray pipe, thereby realizing the degradation of small particles of smoke in the flue gas, thereby realizing the dust removal operation of the flue gas.

[0008] Preferably, the outer wall of the dust removal box is fixedly connected to a servo motor, the output end of the servo motor extends to the inside of the dust removal box and is fixedly connected to a rotating shaft, the outside of the rotating shaft is fixedly connected to a stirring blade, and by starting the servo motor, the servo motor drives the rotating shaft to rotate, and the rotation of the rotating shaft drives the external stirring blades to rotate, thereby stirring the mixture of spray liquid and smoke dust, thereby preventing the smoke dust from settling inside the dust removal box. The side wall of the dust removal box can be connected to a drain pipe, and the switch is controlled by a valve, so that the mixture of smoke dust and spray liquid can be discharged from the inside of the dust removal box to the outside.

[0009] Preferably, one side of the dust removal box is connected to an air inlet pipe, and the side of the dust removal box away from the air inlet pipe is connected to an exhaust pipe. The smoke enters the interior of the dust removal box through the air inlet pipe and is finally discharged through the exhaust pipe.

[0010] Preferably, the top of the snap-in plate extends to the top of the dust removal box and is provided with a handle, and the bottom of the snap-in plate fits tightly with the support platform, and the snap-in plate can be removed from the slot and the inside of the dust removal box by pulling the handle, thereby achieving cleaning and replacement of the filter.

[0011] Preferably, a guide ramp is fixedly connected to the inner wall of the top of the dust removal box and located between the clamping plate and the drain pipe. The guide ramp can guide the gas entering the dust removal box through the air inlet pipe, so that the smoke passes through the bottom of the spray pipe, so that the smoke can be fully sprayed and dusted.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. The flue gas enters the dust removal box through the air intake pipe, and the external flue gas first passes through the filter, in which the large particles of smoke are adsorbed by the filter, and the flue gas and small particles of smoke pass through the filter and enter the bottom of the spray pipe. The spray pipe sprays the flue gas to degrade the small particles of smoke in the flue gas, thereby realizing the dust removal operation of the flue gas; compared with the prior art, the present application can realize secondary filtration and dust reduction of the flue gas through the filter and the spray pipe, thereby improving the efficiency of dust treatment in the flue gas.

[0014] 2. By pulling the handle, the card plate can be taken out from the card slot and the inside of the dust removal box, so as to clean and replace the filter screen, avoid clogging of the filter screen and affect the filtering effect, thereby further improving the dust removal effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main structure of the embodiment of the application;

[0016] Figure 2 It is a schematic diagram of the overall structure of the embodiment of the application;

[0017] Figure 3 is a schematic diagram of a first cross-sectional structure of an embodiment of the application;

[0018] Figure 4 is a schematic diagram of a second cross-sectional structure of an embodiment of the application;

[0019] Figure 5 yes Figure 2 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 6 yes Figure 3 A magnified schematic diagram of the structure at B in the middle;

[0021] Figure 7 yes Figure 3 A magnified schematic diagram of the structure at C in the middle;

[0022] Explanation of the accompanying drawings: 1. Dust removal box; 2. Water tank; 3. Card slot; 4. Card plate; 5. Filter; 6. Suction pipe; 7. Drain pipe; 8. Horizontal pipe; 9. Spray pipe; 10. Support platform; 11. Water pump; 12. Servo motor; 13. Rotating shaft; 14. Stirring blade; 15. Inlet pipe; 16. Exhaust pipe; 17. Handle; 18. Guide ramp. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-7 This application is described in further detail.

[0024] Embodiment 1

[0025] The present application discloses an SCR denitration system dust removal integrated device, referring to Figure 1 , Figure 2 , Figure 5 and Figure 7 , including a dust removal box 1, a water tank 2, a water pump 11 and a stirring assembly. A card slot 3 is provided on the top wall of the dust removal box 1. A card plate 4 is provided inside the card slot 3. Both side walls of the card plate 4 are tightly fitted with the two inner side walls of the dust removal box 1. A filter screen 5 is installed inside the card plate 4. A water suction port of the water pump 11 is connected with a water suction pipe 6. One end of the water suction pipe 6 away from the water pump 11 extends to the inside of the water tank 2. A drainage pipe 7 is connected to the drainage port of the water pump 11. One end of the drainage pipe 7 away from the water pump 11 extends to the inside of the dust removal box 1 and is connected with a horizontal pipe 8. The bottom of the horizontal pipe 8 is connected with a plurality of spray pipes 9. A support platform 10 is fixedly connected to the interior of the dust removal box 1, and the front side wall, rear side wall, left side wall and bottom wall of the support platform 10 are welded to the inner wall of the dust removal box 1. The external flue gas first passes through the filter 5, and the large particles of smoke therein are adsorbed by the filter 5. The flue gas and small particles of smoke pass through the filter 5 and enter under the spray pipe 9. By starting the water pump 11, the water pump 11 will absorb the water inside the water tank 2. The water in the water tank 2 enters the interior of the horizontal pipe 8 through the suction pipe 6 and the drainage pipe 7 in turn and is sprayed out through the spray pipe 9, thereby realizing the degradation of small particles of smoke in the gas, thereby realizing the dust removal operation of the flue gas.

[0026] Reference Figure 3 and Figure 4 An air inlet pipe 15 is connected to one side of the dust removal box 1 , and an exhaust pipe 16 is connected to the side of the dust removal box 1 away from the air inlet pipe 15 . The smoke enters the interior of the dust removal box 1 through the air inlet pipe 15 and is finally discharged through the exhaust pipe 16 .

[0027] Reference Figure 4 and Figure 6 The top of the snap-in plate 4 extends to the top of the dust removal box 1 and is provided with a handle 17. The bottom of the snap-in plate 4 fits tightly with the support platform 10. By pulling the handle 17, the snap-in plate 4 can be taken out from the slot 3 and the inside of the dust removal box 1, thereby achieving cleaning and replacement of the filter screen 5.

[0028] Reference Figure 3 A guide inclined plate 18 is fixedly connected to the top inner wall of the dust removal box 1 and located between the clamping plate 4 and the drain pipe 7. The guide inclined plate 18 can guide the gas entering the dust removal box 1 through the air inlet pipe 15, so that the smoke passes through the bottom of the spray pipe 9, so that the smoke can be fully sprayed and dusted.

[0029] Embodiment 2

[0030] Reference Figure 3 , Figure 4A servo motor 12 is fixedly connected to the outer wall of the dust removal box 1, and the output end of the servo motor 12 extends to the inside of the dust removal box 1 and is fixedly connected to a rotating shaft 13. The outside of the rotating shaft 13 is fixedly connected to a stirring blade 14. By starting the servo motor 12, the servo motor 12 drives the rotating shaft 13 to rotate, and the rotation of the rotating shaft 13 drives the external stirring blade 14 to rotate, thereby stirring the mixture of the spray liquid and the smoke, thereby preventing the smoke from settling inside the dust removal box 1. A drain pipe can be connected to the side wall of the dust removal box 1, and the switch can be controlled by a valve, so that the mixed liquid of the smoke and the spray liquid can be discharged from the inside of the dust removal box 1 to the outside.

[0031] The implementation principle of the SCR denitration system dust removal integrated device of the embodiment of the present application is as follows: the flue gas enters the interior of the dust removal box 1 through the air intake pipe 15, and the large particles of smoke therein are adsorbed by the filter 5, and the flue gas and small particles of smoke pass through the filter 5. The card plate 4 can be taken out from the card slot 3 and the interior of the dust removal box 1 by pulling the handle 17, so as to realize the cleaning and replacement of the filter 5. The gas entering the interior of the dust removal box 1 through the air intake pipe 15 can be guided by the guide inclined plate 18, so that the flue gas passes through the bottom of the spray pipe 9, and the water pump 11 is started. The water pump 11 is preferably of LY-JLM type. When the water pump 11 is working, it will absorb the water inside the water tank 2, and the water in the water tank 2 will be sequentially The smoke enters the interior of the horizontal pipe 8 through the suction pipe 6 and the drainage pipe 7 and is sprayed out through the spray pipe 9, thereby achieving the degradation of small particles of smoke in the gas, thereby realizing the dust removal operation of the smoke. By starting the servo motor 12, the servo motor 12 is preferably of the HBS57 type. The servo motor 12 drives the rotating shaft 13 to rotate. The rotation of the rotating shaft 13 drives the external stirring blades 14 to rotate, thereby stirring the mixture of the spray liquid and the smoke, thereby preventing the smoke from settling inside the dust removal box 1. The side wall of the dust removal box 1 can be connected to a drain pipe, and the switch is controlled by a valve, so that the mixed liquid of the smoke and the spray liquid can be discharged from the inside of the dust removal box 1 to the outside.

[0032] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0033] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0034] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0035] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An integrated dust removal device for an SCR denitration system, comprising a dust removal box (1), a water tank (2), a water pump (11) and a stirring assembly, characterized in that: The top wall of the dust removal box (1) is provided with a slot (3), the interior of the slot (3) is provided with a slot-connecting plate (4), the interior of the slot-connecting plate (4) is provided with a filter screen (5), the water suction port of the water pump (11) is connected with a water suction pipe (6), the end of the water suction pipe (6) away from the water pump (11) extends to the interior of the water tank (2), the water discharge port of the water pump (11) is connected with a drain pipe (7), the end of the drain pipe (7) away from the water pump (11) is provided to extend to the interior of the dust removal box (1) and is connected with a transverse pipe (8), the bottom of the transverse pipe (8) is connected with a plurality of spray pipes (9), and the interior of the dust removal box (1) is fixedly connected with a support platform (10).

2. The SCR denitration system dust removal integrated device according to claim 1, characterized in that: A servo motor (12) is fixedly connected to the outer wall of the dust removal box (1), an output end of the servo motor (12) extends into the interior of the dust removal box (1) and is fixedly connected to a rotating shaft (13), and a stirring blade (14) is fixedly connected to the outside of the rotating shaft (13).

3. The SCR denitration system dust removal integrated device according to claim 1, characterized in that: One side of the dust removal box (1) is connected to an air inlet pipe (15), and the side of the dust removal box (1) away from the air inlet pipe (15) is connected to an exhaust pipe (16).

4. The SCR denitration system dust removal integrated device according to claim 1, characterized in that: The top end of the clamping plate (4) extends to the top of the dust removal box (1) and is provided with a handle (17), and the bottom end of the clamping plate (4) is tightly fitted to the top of the support platform (10).

5. The SCR denitration system dust removal integrated device according to claim 1, characterized in that: A guide inclined plate (18) is fixedly connected to the inner wall of the top of the dust removal box (1) and located between the clamping plate (4) and the drain pipe (7).

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