Boiler flue gas denitration device

Abstract

The utility model relates to the related technical field of boiler flue gas denitration devices, in particular to a boiler flue gas denitration device which comprises a denitration equipment box, a sealing door, an ammonia water tank and an installation assembly, the sealing door is movably installed at the front end of the denitration equipment box, and the ammonia water tank is arranged at the conveying position of the denitration equipment box. A denitration equipment box is arranged at a flue gas conveying position on the mounting assembly, a transfer module, a urea solution storage tank, a pump station metering distribution control integrated module, a denitration spray gun and the like are arranged in a built-in box, the built-in box is movably arranged in the denitration equipment box through a track and is movably sealed through a sealing door, and the built-in box is arranged in the denitration equipment box. The denitration equipment box can be operated and sealed, the boiler flue gas denitration device can adopt an integral sealing structure, the boiler flue gas denitration device is opened in a sliding mode through the built-in box and the rail for integral disassembly and maintenance, main structures are convenient to disassemble and replace, and the maintenance and disassembly cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field related to boiler flue gas denitration devices, in particular to a boiler flue gas denitration device. Background Art

[0002] The boiler flue gas denitrification device is equipped with a mixing tank, a transfer module, a urea solution storage tank, a pump station metering and distribution control integrated module, a denitrification spray gun, etc. The ammonia SNCR denitrification equipment includes: an ammonia tank, an ammonia unloading module, a pump station metering and distribution control integrated module, a denitrification spray gun, etc. The SNCR / SCR denitrification module equipment is widely used in industrial boilers such as chain furnaces, circulating fluidized bed boilers, pulverized coal furnaces, gas boilers, biomass boilers, thermal oil boilers, three waste furnaces, molten salt furnaces, and glass kilns, ceramic kilns, cement kilns, etc.

[0003] The existing boiler flue gas denitrification device adopts an integral sealing structure. Its maintenance is carried out by opening the protective door. The main structure is difficult to disassemble and replace, resulting in excessively high maintenance and disassembly costs. When a leak occurs in the boiler flue gas denitrification device pipeline, too many valves are difficult to close at one time, resulting in serious leakage of the boiler flue gas denitrification device. Utility Model Content

[0004] The purpose of the utility model is to provide a boiler flue gas denitration device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A boiler flue gas denitration device comprises a denitration equipment box, a sealed door, an ammonia water tank and an installation component, wherein the front end of the denitration equipment box is movably equipped with a sealed door, a conveying part on the denitration equipment box is provided with an ammonia water tank, a flue gas conveying part on the installation component is provided with a denitration equipment box, and further comprises:

[0007] A maintenance component installed on the denitration equipment box;

[0008] An anti-leakage component is arranged on the denitration equipment box;

[0009] Among them, a connecting pipe is connected to one side of the denitrification equipment box, a base is provided at the welding point of the connecting pipe, a pump station pipe is movably installed at the front end of the base, a servo motor is provided at the driving point of the top of the ammonia water tank, an external plate is fixedly installed on one side of the bottom end of the denitrification equipment box, and fixed pipes are distributed and fixed inside the external plate.

[0010] The boiler flue gas denitration device as described above: the denitration equipment box is connected to the fixed pipe through an external plate.

[0011] The boiler flue gas denitrification device as described above: the servo motor can drive the inside of the ammonia water tank to stir, and the ammonia water tank is connected to the connecting pipe through the base.

[0012] The boiler flue gas denitration device as described above: the maintenance component includes a built-in box movably installed at the rear end of the denitration equipment box, and a track is provided at the sliding part of the built-in box.

[0013] The boiler flue gas denitration device as described above: the built-in box slides into the denitration equipment box through a track, and the denitration equipment box is movably sealed by a sealing door.

[0014] The boiler flue gas denitrification device as described above: the anti-leakage component includes an anti-leakage plate threadedly mounted on the ammonia tank, and a connection port is provided at a movable portion of the anti-leakage plate.

[0015] The boiler flue gas denitrification device as described above: the anti-leakage plate and the connection port are threadedly connected to the ammonia water tank, and the ammonia water tank is sealed on the base through the anti-leakage plate thread.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the transfer module, urea solution storage tank, pump station metering and distribution control integrated module, denitrification spray gun, etc. are installed inside the built-in box, and the built-in box is movably installed inside the denitrification equipment box through a track. The denitrification equipment box can be operated and sealed through a sealing door, which is beneficial for the boiler flue gas denitrification device to adopt an overall sealing structure. Its maintenance is carried out by sliding the built-in box and the track open for overall disassembly and maintenance, which facilitates the disassembly and replacement of the main structure and reduces the cost of maintenance and disassembly.

[0017] The base is installed at the bottom of the ammonia tank by means of a connection port through a leak-proof plate thread. The connection port thread is rotated to align with the pump station pipe and the connecting pipe for transportation docking. When leakage occurs in the pipeline of the boiler flue gas denitrification device, the connection port and the leak-proof plate are rotated to seal the pump station pipe and the connecting pipe, replacing the valve for one-time closure. At the same time, the pump station pipe and the connecting pipe can also be installed with other valves to avoid leakage of the boiler flue gas denitrification valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the maintenance component of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the anti-leakage component of the utility model.

[0021] In the figure: 1. Denitrification equipment box; 2. Sealed door; 3. Connecting pipe; 4. Ammonia tank; 5. Servo motor; 6. Pump station pipe; 7. Base; 8. External plate; 9. Fixed pipe; 10. Built-in box; 11. Track; 12. Anti-leakage plate; 13. Connecting port. DETAILED DESCRIPTION

[0022] Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.

[0023] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0024] In addition, in order to better illustrate the present application, numerous specific details are provided in the specific embodiments below. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods, means, and elements well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.

[0025] See also Figures 1 to 3 , a boiler flue gas denitration device is proposed, including a denitration equipment box 1, a sealing door 2, an ammonia water tank 4 and an installation component.

[0026] A sealing door 2 is movably installed at the front end of the denitration equipment box 1, an ammonia water tank 4 is provided at the conveying position on the denitration equipment box 1, a denitration equipment box 1 is provided at the flue gas conveying position on the installation component, a maintenance component is installed on the denitration equipment box 1; an anti-leakage component is provided on the denitration equipment box 1;

[0027] The sealing door 2 is movably installed at the front end of the denitration equipment box 1, and can seal the denitration equipment box 1, so that the user can manually open the sealing door 2 to perform boiler flue gas denitration operation, and then the ammonia water tank 4 is connected and installed in the denitration equipment box 1 for use as boiler flue gas denitration;

[0028] Among them, a connecting pipe 3 is connected to one side of the denitrification equipment box 1, a base 7 is provided at the welding point on the connecting pipe 3, a pump station pipe 6 is movably installed at the front end of the base 7, a servo motor 5 is provided at the driving point of the top of the ammonia water tank 4, an external plate 8 is fixedly installed on one side of the bottom end of the denitrification equipment box 1, and a fixed pipe 9 is distributed and fixed inside the external plate 8.

[0029] In this embodiment, the connecting pipe 3 is welded to the connection between the ammonia water tank 4 and the denitrification equipment box 1, so that the pump station pipe 6 and the base 7 are connected and installed on the denitrification equipment box 1 through the connecting pipe 3, and then the servo motor 5 is movably installed on the top of the ammonia water tank 4. The ammonia water tank 4 is connected and installed with the boiler flue gas denitrification through the external plate 8 and the fixed pipe 9 on the denitrification equipment box 1.

[0030] Preferably, the denitrification equipment box 1 is connected to the fixed pipe 9 through an external plate 8, and the external plate 8 and the fixed pipe 9 are used as boiler flue gas denitrification transport for the denitrification equipment box 1. The external plate 8 and the fixed pipe 9 on the denitrification equipment box 1 can be installed with a transfer module, a urea solution storage tank, a pump station metering and distribution control integrated module, a denitrification spray gun, etc.

[0031] Preferably, the servo motor 5 can drive the inside of the ammonia water tank 4 to stir. The ammonia water tank 4 is connected to the connecting pipe 3 through the base 7. When the external plate 8 and the fixed pipe 9 on the denitrification equipment box 1 are installed with the transfer module, urea solution storage tank, pump station metering and distribution control integrated module, denitrification spray gun, etc., they are driven by the servo motor 5.

[0032] Please refer to Figure 1 and Figure 2 In this embodiment, the maintenance component includes a built-in box 10 movably installed at the rear end of the denitration equipment box 1, and a track 11 is provided at a sliding portion of the built-in box 10.

[0033] The track 11 is movably installed at the sliding position of the built-in box 10, so that the built-in box 10 can be slidably installed inside the denitrification equipment box 1 through the track 11, and the transfer module, urea solution storage tank, pump station metering and distribution control integrated module, denitrification spray gun, etc. in the denitrification equipment box 1 can be fixedly installed inside the built-in box 10.

[0034] Preferably, the built-in box 10 slides to the inside of the denitrification equipment box 1 through the track 11, the denitrification equipment box 1 is movably sealed by the sealing door 2, the transfer module, the urea solution storage tank, the pump station metering and distribution control integrated module, the denitrification spray gun, etc. are installed in the built-in box 10, and the built-in box 10 is movably installed in the denitrification equipment box 1 through the track 11. After being movably sealed by the sealing door 2, the denitrification equipment box 1 can be operated and sealed, which is beneficial for the boiler flue gas denitrification device to adopt an overall sealing structure. Its maintenance is achieved by sliding the built-in box 10 and the track 11 open for overall disassembly and maintenance, which is convenient for disassembly and replacement of the main structure and reduces the cost of maintenance and disassembly.

[0035] Please refer to Figure 1 and Figure 3 In this embodiment, the anti-leakage component includes an anti-leakage plate 12 threadedly mounted on the ammonia tank 4, and a connecting port 13 is provided at a movable portion of the anti-leakage plate 12.

[0036] The connection port 13 is installed at the bottom of the ammonia tank 4 through the anti-leakage plate 12 in a threaded manner, so that the connection port 13 on the anti-leakage plate 12 is threadedly rotated to align with the pump station pipe 6 and the connecting pipe 3 for connection and installation.

[0037] Preferably, the anti-leakage plate 12 and the connecting port 13 are threadedly connected to the ammonia water tank 4, and the ammonia water tank 4 is threadedly sealed on the base 7 through the anti-leakage plate 12. The ammonia water tank 4 and the denitrification equipment box 1 are connected and installed through the pump station pipe 6 and the connecting pipe 3, and are mainly sealed through the base 7. The base 7 is installed at the bottom of the ammonia water tank 4 through the anti-leakage plate 12 thread method using the connecting port 13. The connecting port 13 is threadedly rotated to align with the pump station pipe 6 and the connecting pipe 3 for transportation docking. When the pipeline of the boiler flue gas denitrification device leaks, the connecting port 13 and the anti-leakage plate 12 are rotated to close the pump station pipe 6 and the connecting pipe 3, replacing the valve for one-time closure. At the same time, the pump station pipe 6 and the connecting pipe 3 can also be installed with other valves to avoid leakage of the boiler flue gas denitrification valve.

[0038] As can be seen from the above, the pump station pipe 6 and the base 7 are connected and installed on the denitrification equipment box 1 through the connecting pipe 3, and then the servo motor 5 is movably installed on the top of the ammonia water tank 4. The ammonia water tank 4 is connected and installed through the external plate 8 and the fixed pipe 9 on the denitrification equipment box 1, and the ammonia water tank 4 and the denitrification equipment box 1 are connected and installed through the pump station pipe 6 and the connecting pipe 3. The sealing is mainly carried out through the base 7. The base 7 is installed at the bottom of the ammonia water tank 4 through the connecting port 13 through the anti-leakage plate 12 threaded method. The connecting port 13 thread is rotated to align with the pump station pipe 6 and the connecting pipe 3 for transportation docking.

[0039] The transfer module, urea solution storage tank, pump station metering and distribution control integrated module, denitrification spray gun, etc. are installed inside the built-in box 10, and the built-in box 10 is movably installed inside the denitrification equipment box 1 through the track 11. The denitrification equipment box 1 can be operated and sealed through the sealing door 2.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A boiler flue gas denitration device, comprising a denitration equipment box (1), a sealing door (2), an ammonia water tank (4) and an installation assembly, wherein the front end of the denitration equipment box (1) is movably equipped with a sealing door (2), a conveying portion on the denitration equipment box (1) is provided with an ammonia water tank (4), and a flue gas conveying portion on the installation assembly is provided with a denitration equipment box (1), characterized in that: It also includes the following: A maintenance component installed on the denitration equipment box (1); An anti-leakage component, arranged on the denitration equipment box (1); A connecting pipe (3) is connected to one side of the denitration equipment box (1); a base (7) is provided at a welding position on the connecting pipe (3); a pump station pipe (6) is movably mounted at the front end of the base (7); a servo motor (5) is provided at a driving position at the top of the ammonia water tank (4); an external connection plate (8) is fixedly mounted on one side of the bottom end of the denitration equipment box (1); and fixed pipes (9) are distributed and fixed inside the external connection plate (8).

2. A boiler flue gas denitrification device according to claim 1, characterized in that: The denitration equipment box (1) is connected to the fixed pipe (9) via an external connection plate (8).

3. A boiler flue gas denitrification device according to claim 1, characterized in that: The servo motor (5) can drive the interior of the ammonia water tank (4) to stir, and the ammonia water tank (4) is connected to the connecting pipe (3) through the base (7).

4. A boiler flue gas denitrification device according to claim 1, characterized in that: The maintenance component comprises a built-in box (10) movably mounted on the rear end of the denitration equipment box (1), and a track (11) is provided at a sliding portion of the built-in box (10).

5. A boiler flue gas denitration device according to claim 4, characterized in that: The built-in box (10) slides into the interior of the denitration equipment box (1) via a track (11), and the denitration equipment box (1) is movably sealed via a sealing door (2).

6. A boiler flue gas denitrification device according to claim 1, characterized in that: The anti-leakage component comprises an anti-leakage plate (12) threadedly mounted on the ammonia water tank (4), and a connection port (13) is provided at a movable portion of the anti-leakage plate (12).

7. A boiler flue gas denitrification device according to claim 6, characterized in that: The anti-leakage plate (12) and the connection port (13) are threadedly connected to the ammonia water tank (4), and the ammonia water tank (4) is threadedly sealed on the base (7) through the anti-leakage plate (12).

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