Flue gas purification device for coal-fired boiler

Abstract

The utility model discloses a coal-fired boiler flue gas purification device which comprises a purification device body, a main smoke suction pipe is installed on the surface of the side edge of the purification device body, a reaction shell is installed on the surface of the side edge of the main smoke suction pipe, and a controller is welded to the front surface of the reaction shell. A spraying main plate is fixedly connected to the upper surface of the reaction shell, and an output main plate is mounted on the upper surface of the spraying main plate. According to the device, a user can conveniently carry out efficient use purification and overall installation on the purification device, after the user installs the purification device, the user needs to open a motor, fan blades can be driven to rotate after the motor is started, then the user can convey flue gas of the coal-fired boiler into a reaction shell, then the user opens a spraying head, and the spraying head is driven to rotate; and through the arrangement of the white smoke eliminating device and the high-voltage static electricity device, a user can conveniently and efficiently use and purify the flue gas of the coal-fired boiler.

Description

Technical Field

[0001] This utility model belongs to the field of flue gas purification technology, specifically relating to a flue gas purification device for coal-fired boilers. Background Technology

[0002] A coal-fired steam boiler refers to a boiler that burns coal as fuel. The heat from the coal is converted into steam, but not all the heat is effectively converted; some is wasted, which leads to efficiency issues. Generally, larger boilers are more efficient. When using a coal-fired boiler, users need to purify the flue gas, which requires the use of purification devices.

[0003] The existing technology has the following problems:

[0004] 1. Currently available flue gas purification devices for coal-fired boilers on the market do not have perfect functions when users need to purify flue gas, which will affect the user's use of the purification device.

[0005] 2. Currently available air purification devices require users to use auxiliary equipment during installation, which increases the user's operating costs. Utility Model Content

[0006] The purpose of this invention is to provide a flue gas purification device for coal-fired boilers, in order to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a flue gas purification device for a coal-fired boiler, comprising a purification device body, a main smoke pipe installed on the side surface of the purification device body, a reaction shell installed on the side surface of the main smoke pipe, a controller welded to the front surface of the reaction shell, and a spray main board fixedly connected to the upper surface of the reaction shell.

[0008] An output main board is installed on the upper surface of the spray main board, a whitening device is installed on the side surface of the reaction shell, a high-voltage electrostatic device is installed on the side surface of the reaction shell, a smoke exhaust head is installed on the side surface of the whitening device, an installation plate is installed on the side surface of the main body of the purification device, and a snap-fit ​​sleeve is limited and snapped onto the outer ring surface of the main smoke exhaust pipe.

[0009] A fixing block is fixedly connected to the side surface of the snap-fit ​​sleeve, and a nut is snapped into the side surface of the fixing block. A protective shell is snapped into the inner ring surface of the main smoke pipe, and a motor is snapped into the inner ring surface of the protective shell.

[0010] The present invention further describes that the upper surface of the mounting plate is provided with a through mounting opening, and the number of mounting openings is multiple.

[0011] This utility model further illustrates that the inner ring surface of the nut is limited and snapped with a threaded rod, and the threaded rod is connected between the nut and the fixing block.

[0012] This utility model further illustrates that the nut is connected between a fixing block and a snap-fit ​​sleeve, and the fixing block is symmetrically arranged with the vertical center line of the nut as the axis of symmetry.

[0013] The present invention further explains that a fan blade is fixedly sleeved at the top of the output shaft of the motor, and the fan blade is connected between the motor and the protective shell.

[0014] The present invention further explains that a spray head is installed on the bottom surface of the output motherboard, and the number of spray heads is multiple and they are parallel to each other.

[0015] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0016] This utility model provides a flue gas purification device for coal-fired boilers. Through the coordinated use of the purification device body, mounting plate, mounting opening, threaded rod, snap-fit ​​sleeve, nut, fixing block, main smoke pipe, controller, spray main board, whitening device, high-voltage electrostatic device, exhaust head, spray head, output main board, fan blades, motor, protective shell, and reaction shell, the device facilitates efficient use and overall installation by the user. After installation, the user needs to turn on the motor, which will drive the fan blades to rotate, allowing the flue gas from the coal-fired boiler to be transferred to the reaction shell. Then, the user can open the spray head, and with the help of the whitening device and high-voltage electrostatic device, the flue gas from the coal-fired boiler can be efficiently purified, meeting the user's needs for efficient purification.

[0017] This utility model provides a flue gas purification device for coal-fired boilers. After the user attaches the purification device to the coal-fired boiler, the user needs to tighten the threaded rod. Through the limiting of the set nut, the user can install the snap-fit ​​sleeve as a whole. Through the set mounting plate and the multiple installation openings through the mounting plate, the user can easily modify and install the purification device, thus meeting the user's needs for whole-body installation. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a side sectional view of the structure of this utility model;

[0021] Figure 3 This is a bottom view of the structure of this utility model;

[0022] Figure 4 This is the utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0023] Figure 5 This is the utility model Figure 2 Enlarged view of the structure at point B in the middle.

[0024] In the diagram: 1. Main body of the purification device; 2. Mounting plate; 3. Mounting opening; 4. Threaded rod; 5. Snap-fit ​​sleeve; 6. Nut; 7. Fixing block; 8. Main smoke extraction pipe; 9. Controller; 10. Spray main board; 11. Whitening device; 12. High voltage electrostatic device; 13. Smoke exhaust head; 14. Spray head; 15. Output main board; 16. Fan blade; 17. Motor; 18. Protective shell; 19. Reaction shell. Detailed Implementation

[0025] The following detailed, non-limiting description of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0026] Please see Figure 1-5 The present invention provides a technical solution: a flue gas purification device for a coal-fired boiler, comprising a purification device body 1, a main smoke pipe 8 installed on the side surface of the purification device body 1, a reaction shell 19 installed on the side surface of the main smoke pipe 8, a controller 9 welded to the front surface of the reaction shell 19, and a spray main board 10 fixedly connected to the upper surface of the reaction shell 19.

[0027] In this embodiment, the upper surface of the mounting plate 2 is provided with a through mounting opening 3, and there are multiple mounting openings 3. The inner ring surface of the nut 6 is limited and locked with a threaded rod 4, and the threaded rod 4 is connected between the nut 6 and the fixing block 7.

[0028] like Figure 1-5As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, an output main board 15 is installed on the upper surface of the spray main board 10, a whitening device 11 is installed on the side surface of the reaction shell 19, and a high-voltage electrostatic device 12 is installed on the side surface of the reaction shell 19.

[0029] In this embodiment, the nut 6 is connected to the clamping sleeve 5 through the fixing block 7, and the fixing block 7 is symmetrically arranged with the vertical center line of the nut 6 as the axis of symmetry.

[0030] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, a smoke exhaust head 13 is installed on the side surface of the whitening device 11, an installation plate 2 is installed on the side surface of the purification device body 1, a snap-fit ​​sleeve 5 is snapped onto the outer ring surface of the main smoke pipe 8, a fixing block 7 is fixedly connected to the side surface of the snap-fit ​​sleeve 5, a nut 6 is snapped onto the side surface of the fixing block 7, a protective shell 18 is snapped onto the inner ring surface of the main smoke pipe 8, and a motor 17 is snapped onto the inner ring surface of the protective shell 18.

[0031] In this embodiment, a spray head 14 is installed on the bottom surface of the output motherboard 15, and there are multiple spray heads 14 that are parallel to each other.

[0032] like Figure 1-5 As shown, when the user needs to use it, the user needs to turn on the motor 17. After the motor 17 starts, it can drive the fan blade 16 to rotate. Then the user can transmit the flue gas from the coal-fired boiler to the reaction shell 19. Then the user turns on the spray head 14, and through the whitening device 11 and the high-voltage electrostatic device 12, the user can easily purify the flue gas from the coal-fired boiler. After the user attaches the purification device to the coal-fired boiler, the user needs to turn the threaded rod 4. Through the limit of the nut 6, the user can install the snap-fit ​​sleeve 5 as a whole. Through the mounting plate 2 and the multiple installation openings 3 through the mounting plate 2, the user can easily modify and install the purification device.

[0033] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A flue gas purification device for a coal-fired boiler, comprising a main body (1) of the purification device, characterized in that: The main smoke pipe (8) is installed on the side surface of the main body (1) of the purification device. The reaction shell (19) is installed on the side surface of the main smoke pipe (8). The controller (9) is welded on the front surface of the reaction shell (19). The spray main board (10) is fixedly connected to the upper surface of the reaction shell (19). The output main board (15) is installed on the upper surface of the spray main board (10). A whitening device (11) is installed on the side surface of the reaction shell (19), a high voltage electrostatic device (12) is installed on the side surface of the reaction shell (19), and a smoke exhaust head (13) is installed on the side surface of the whitening device (11). An installation plate (2) is installed on the side surface of the main body (1) of the purification device. A snap-fit ​​sleeve (5) is snapped onto the outer ring surface of the main smoke pipe (8). A fixing block (7) is fixedly connected to the side surface of the snap-fit ​​sleeve (5). A nut (6) is snapped onto the side surface of the fixing block (7). A protective shell (18) is snapped onto the inner ring surface of the main smoke pipe (8). A motor (17) is snapped onto the inner ring surface of the protective shell (18).

2. The flue gas purification device for a coal-fired boiler according to claim 1, characterized in that: The upper surface of the mounting plate (2) is provided with a mounting opening (3), and there are multiple mounting openings (3).

3. The flue gas purification device for a coal-fired boiler according to claim 1, characterized in that: The inner ring surface of the nut (6) is fitted with a threaded rod (4), and the threaded rod (4) is connected between the nut (6) and the fixing block (7).

4. The flue gas purification device for a coal-fired boiler according to claim 1, characterized in that: The nut (6) is connected to the fixing block (7) and the snap-fit ​​sleeve (5), and the fixing block (7) is symmetrically arranged with the vertical center line of the nut (6) as the axis of symmetry.

5. The flue gas purification device for a coal-fired boiler according to claim 1, characterized in that: The top of the output shaft of the motor (17) is fixedly fitted with a fan blade (16), and the fan blade (16) is connected between the motor (17) and the protective shell (18).

6. The flue gas purification device for a coal-fired boiler according to claim 1, characterized in that: The bottom surface of the output motherboard (15) is provided with a spray head (14), and there are multiple spray heads (14) that are parallel to each other.

Images