Dust removal and denitration integrated device for high-temperature flue gas of vertical kiln

Abstract

The utility model discloses a vertical kiln high-temperature flue gas dedusting and denitration integrated device which comprises a box body, an inclined plate is fixed at the bottom of the inner wall of the box body, a flue gas pipeline is arranged on the inner wall of the box body below the inclined plate, one end of the bottom of the flue gas pipeline fixedly penetrates through the outer wall of the box body and is fixedly provided with a gas inlet manual valve, and the other end of the bottom of the flue gas pipeline is fixedly provided with a gas outlet manual valve. An inclined plate is arranged on the inner wall of the box body, fan blades are arranged at the position, below the inclined plate, of the inner wall of the box body, the inclined plate penetrates through the top of the flue gas pipeline, non-woven fabric is installed on the inner wall of the box body, a U-shaped denitration pipeline is arranged at the position, above the non-woven fabric, of the inner wall of the box body, and an ejection mechanism is arranged in the box body. A transmission mechanism for realizing rotation of the fan blades and the U-shaped denitration pipeline is mounted on the outer wall of the box body. Impurities and dust in flue gas are captured by the non-woven fabric, the flue gas penetrating through the non-woven fabric is treated by a sprayed denitration agent, and dust and impurities adhered to the non-woven fabric can be knocked off and discharged.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal and denitration, in particular to an integrated device for dust removal and denitration of high-temperature flue gas of a vertical kiln. Background Art

[0002] At present, most of the flue gas from industrial kilns is high-temperature flue gas, and the flue gas temperature is mostly between 275 and 430°C. High-temperature flue gas dust removal and denitrification treatment mostly need to be arranged separately. High-temperature flue gas dust removal mainly uses cyclone dust removal, high-temperature electrostatic dust removal, and ceramic filtration dust removal, and high-temperature flue gas denitrification mainly uses SNCR\SCR.

[0003] The current high-temperature flue gas denitrification process will produce a lot of dust. During the spray denitrification, a lot of dust will be generated. The dust accumulates in the equipment and is not easy to handle. In addition, the flue gas temperature is high, and the existing method is not convenient for the initial cooling of the transported flue gas. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an integrated device for dust removal and denitrification of high-temperature flue gas in a vertical kiln.

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

[0006] The vents in the vents are connected to the air intake pipe, the inlet pipe is connected to the air intake pipe, and the inlet pipe is connected to the air intake pipe at one end.

[0007] As a further solution of the utility model, a plurality of denitrification nozzles are evenly fixed on the outer wall of the U-shaped denitrification pipeline.

[0008] As a further solution of the utility model, the transmission mechanism includes a first synchronous wheel fixed coaxially with the fan blades, the U-shaped denitrification pipe is fixedly connected to a pipe, and the pipe passes through the outer wall of the box body and is fixed with a rotating joint, the outer wall of the pipe is fixedly sleeved with a second synchronous wheel, the first synchronous wheel and the second synchronous wheel are connected by a synchronous belt, the outer wall of the box body is fixed with a mounting frame, the outer wall of the mounting frame is fixed with a driving motor, and the driving motor is coaxially fixed with the first synchronous wheel.

[0009] As a further solution of the utility model, a frame is fixed to the inner wall of the box body, and the non-woven fabric is fixed to the inner wall of the frame.

[0010] As a further solution of the utility model, the ejection mechanism includes a fixed ring, a push rod is inserted into the fixed ring, a top plate is fixed to the bottom of the push rod, a pressure plate is fixed to the top of the push rod, a spring is fixed between the pressure plate and the fixed ring, and the outer wall fixed sleeve of the U-shaped denitrification pipe is provided with a teardrop-shaped extrusion block adapted to the pressure plate.

[0011] As a further solution of the utility model, two reinforcing rods are fixed to the outer wall of the frame, and the fixing ring is fixed between the two reinforcing rods.

[0012] As a further solution of the utility model, a manual drain valve is installed on one side of the bottom of the outer wall of the box body, a manual impurity discharge valve is installed at the bottom position of the outer wall of the box body corresponding to the inclined plate, a manual injection valve is provided above the outer wall of the box body corresponding to the inclined plate and below the non-woven fabric, and a discharge port is installed on the top of the box body.

[0013] The beneficial effects of the utility model are:

[0014] The utility model: through the arranged box body, discharge port, flue gas duct, inclined plate, frame, non-woven fabric, U-shaped denitration duct, denitration nozzle, ejection mechanism and transmission mechanism, the motor is driven to work, the U-shaped denitration duct is rotated, the denitration nozzle on the U-shaped denitration duct is sprayed, the impurities and dust in the flue gas are captured by the non-woven fabric, and the denitrification agent sprayed by the flue gas passing through the non-woven fabric is processed, when the U-shaped denitration duct rotates, the water drop-shaped extrusion block squeezes the pressure plate, so that the spring is compressed, and the top plate at the bottom of the push rod indirectly pushes the non-woven fabric, so that the dust and impurities adhered to the non-woven fabric fall down, fall on the inclined plate, and can be discharged from the impurity discharge manual valve;

[0015] The utility model has fan blades arranged below the inclined plate, the fan blades are coaxially fixed with the first synchronous wheel, when the first synchronous wheel rotates, the fan blades are rotated, cooling water is injected into the bottom of the box body through the manual injection valve, and the rotating fan blades can keep the water body uniform, so as to achieve the effect of uniform stirring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of an integrated device for dust removal and denitrification of high-temperature flue gas from a vertical kiln proposed by the utility model;

[0017] Figure 2 This is a structural schematic diagram of an integrated device for dust removal and denitrification of high-temperature flue gas from a vertical kiln proposed by the utility model;

[0018] Figure 3 This is a structural schematic diagram of an integrated device for dust removal and denitrification of high-temperature flue gas from a vertical kiln proposed by the utility model;

[0019] Figure 4 This is a structural schematic diagram of an integrated device for dust removal and denitrification of high-temperature flue gas in a vertical kiln proposed by the utility model.

[0020] In the figure: 1. Box body; 2. Manual air intake valve; 3. Manual liquid injection valve; 4. Manual liquid discharge valve; 5. Manual impurity discharge valve; 6. Discharge port; 7. Flue gas duct; 8. Inclined plate; 9. Frame; 10. Non-woven fabric; 11. U-shaped denitrification duct; 12. Denitrification nozzle; 13. Driving motor; 14. Mounting frame; 15. First synchronous wheel; 16. Synchronous belt; 17. Second synchronous wheel; 18. Drop-shaped extrusion block; 19. Reinforcing rod; 20. Fixing ring; 21. Pressure plate; 22. Push rod; 23. Top plate; 24. Fan blades. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] Reference Figure 1-Figure 4A vertical kiln high-temperature flue gas dust removal and denitrification integrated device includes a box body 1, an inclined plate 8 is fixed to the bottom of the inner wall of the box body 1, a flue gas duct 7 is arranged on the inner wall of the box body 1 below the inclined plate 8, one end of the bottom of the flue gas duct 7 is fixed through the outer wall of the box body 1 and is fixed with an air intake manual valve 2, a fan blade 24 is arranged on the inner wall of the box body 1 below the inclined plate 8, the top of the flue gas duct 7 is penetrated by the inclined plate 8, a non-woven fabric 10 is installed on the inner wall of the box body 1, and the inner wall of the box body 1 is located above the non-woven fabric 10. A U-shaped denitration pipe 11 is provided, an ejection mechanism is provided inside the box body 1, and a transmission mechanism for realizing the rotation of the fan blade 24 and the U-shaped denitration pipe 11 is installed on the outer wall of the box body 1. The fan blade 24 is provided below the inclined plate 8, and the fan blade 24 is coaxially fixed with the first synchronous wheel 15. When the first synchronous wheel 15 rotates, the rotation of the fan blade 24 is realized. Cooling water is injected into the bottom of the box body 1 through the liquid injection manual valve 3. The rotating fan blade 24 can keep the water body uniform and play a role in stirring.

[0024] In this embodiment, a plurality of denitration nozzles 12 are evenly fixed on the outer wall of the U-shaped denitration pipeline 11 .

[0025] In this embodiment, the transmission mechanism includes a first synchronous wheel 15 coaxially fixed with the fan blades 24, the U-shaped denitrification pipe 11 is fixedly connected to a pipe, and the pipe passes through the outer wall of the box body 1 and is fixed with a rotary joint, the outer wall of the pipe is fixedly sleeved with a second synchronous wheel 17, the first synchronous wheel 15 and the second synchronous wheel 17 are connected by a synchronous belt 16, the outer wall of the box body 1 is fixed with a mounting frame 14, the outer wall of the mounting frame 14 is fixed with a drive motor 13, and the drive motor 13 is coaxially fixed with the first synchronous wheel 15.

[0026] In this embodiment, a frame 9 is fixed to the inner wall of the box body 1 , and the non-woven fabric 10 is fixed to the inner wall of the frame 9 .

[0027] In this embodiment, the ejection mechanism includes a fixed ring 20, on which a push rod 22 is inserted, a top plate 23 is fixed to the bottom of the push rod 22, a pressure plate 21 is fixed to the top of the push rod 22, a spring is fixed between the pressure plate 21 and the fixed ring 20, and a teardrop-shaped extrusion block 18 adapted to the pressure plate 21 is fixedly provided on the outer wall of the U-shaped denitrification pipe 11.

[0028] In this embodiment, two reinforcing rods 19 are fixed to the outer wall of the frame 9 , and the fixing ring 20 is fixed between the two reinforcing rods 19 .

[0029] In this embodiment, a manual drain valve 4 is installed on one side of the bottom of the outer wall of the box body 1, a manual impurity discharge valve 5 is installed at the bottom position of the outer wall of the box body 1 corresponding to the inclined plate 8, a manual injection valve 3 is provided above the outer wall of the box body 1 corresponding to the inclined plate 8 and below the non-woven fabric 10, and a discharge port 6 is installed on the top of the box body 1.

[0030] Working principle: When in use, through the set box 1, discharge port 6, flue gas duct 7, inclined plate 8, frame 9, non-woven fabric 10, U-shaped denitration duct 11, denitration nozzle 12, ejection mechanism and transmission mechanism, the transmission mechanism includes a drive motor 13, a mounting frame 14, a first synchronous wheel 15, a synchronous belt 16 and a second synchronous wheel 17, and a rotating joint is provided to fix the U-shaped denitration duct 11, and the ejection mechanism includes a water drop-shaped extrusion block 18, a fixing ring 20, a pressure plate 21, a push rod 22, a top plate 23 and a spring, etc. Through the above design, the flue gas passes into the flue gas duct 7, the flue gas in the flue gas duct 7 enters the box 1, and the set U-shaped denitration duct 11 The denitrification agent delivery pipe is connected through a rotary joint, and the driving motor 13 works. Under the action of the first synchronous wheel 15, the synchronous belt 16 and the second synchronous wheel 17, the U-shaped denitrification pipe 11 rotates, and the denitrification nozzle 12 on the U-shaped denitrification pipe 11 sprays. The impurities and dust in the flue gas are captured by the non-woven fabric 10, and the denitrification agent sprayed through the flue gas of the non-woven fabric 10 is processed. When the U-shaped denitrification pipe 11 rotates, the water drop-shaped extrusion block 18 squeezes the pressure plate 21, so that the spring is compressed, and the top plate 23 at the bottom of the push rod 22 indirectly pushes the non-woven fabric 10, so that the dust and impurities adhered to the non-woven fabric 10 fall down and fall on the inclined plate 8, and can be discharged from the impurity discharge manual valve 5;

[0031] Furthermore, a fan blade 24 is arranged below the inclined plate 8. The fan blade 24 is coaxially fixed with the first synchronous wheel 15. When the first synchronous wheel 15 rotates, the fan blade 24 rotates. Cooling water is injected into the bottom of the box body 1 through the manual injection valve 3. The rotating fan blade 24 can keep the water body uniform and play a role in stirring.

[0032] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0033] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0035] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A vertical kiln high temperature flue gas dust removal and denitrification integrated device, comprising a housing (1), characterized in that: An inclined plate (8) is fixed to the bottom of the inner wall of the box (1); a flue gas duct (7) is arranged on the inner wall of the box (1) below the inclined plate (8); one end of the bottom of the flue gas duct (7) is fixedly passed through the outer wall of the box (1) and is fixed with an air intake manual valve (2); a fan blade (24) is arranged on the inner wall of the box (1) below the inclined plate (8); the top of the flue gas duct (7) is penetrated by the inclined plate (8); a non-woven fabric (10) is installed on the inner wall of the box (1); a U-shaped denitration duct (11) is arranged on the inner wall of the box (1) above the non-woven fabric (10); an ejection mechanism is arranged inside the box (1); and a transmission mechanism for realizing the rotation of the fan blade (24) and the U-shaped denitration duct (11) is installed on the outer wall of the box (1).

2. The vertical kiln high temperature flue gas dust removal and denitrification integrated device according to claim 1, characterized in that: A plurality of denitration nozzles (12) are evenly fixed on the outer wall of the U-shaped denitration pipeline (11).

3. The vertical kiln high temperature flue gas dust removal and denitrification integrated device according to claim 2, characterized in that: The transmission mechanism comprises a first synchronous wheel (15) fixed coaxially with the fan blade (24); the U-shaped denitration pipeline (11) is fixedly connected with a pipeline, and the pipeline passes through the outer wall of the box body (1) and is fixed with a rotary joint; the outer wall of the pipeline is fixedly sleeved with a second synchronous wheel (17); the first synchronous wheel (15) and the second synchronous wheel (17) are connected by a synchronous belt (16); the outer wall of the box body (1) is fixed with a mounting frame (14); the outer wall of the mounting frame (14) is fixed with a driving motor (13); the driving motor (13) is coaxially fixed with the first synchronous wheel (15).

4. The vertical kiln high temperature flue gas dust removal and denitrification integrated device according to claim 3, characterized in that: A frame (9) is fixed to the inner wall of the box body (1), and the non-woven fabric (10) is fixed to the inner wall of the frame (9).

5. The integrated device for dust removal and denitrification of high-temperature flue gas from a vertical kiln according to claim 4, characterized in that: The ejection mechanism comprises a fixed ring (20), a push rod (22) is inserted on the fixed ring (20), a top plate (23) is fixed to the bottom of the push rod (22), a pressure plate (21) is fixed to the top of the push rod (22), a spring is fixed between the pressure plate (21) and the fixed ring (20), and a teardrop-shaped extrusion block (18) adapted to the pressure plate (21) is fixedly sleeved on the outer wall of the U-shaped denitration pipeline (11).

6. The vertical kiln high temperature flue gas dust removal and denitrification integrated device according to claim 5, characterized in that: Two reinforcing rods (19) are fixed to the outer wall of the frame (9), and the fixing ring (20) is fixed between the two reinforcing rods (19).

7. The vertical kiln high temperature flue gas dust removal and denitrification integrated device according to claim 6, characterized in that: A manual liquid discharge valve (4) is installed on one side of the bottom of the outer wall of the box body (1), a manual impurity discharge valve (5) is installed at the bottom position of the outer wall of the box body (1) corresponding to the inclined plate (8), a manual liquid injection valve (3) is provided above the outer wall of the box body (1) corresponding to the inclined plate (8) and below the non-woven fabric (10), and a discharge port (6) is installed at the top of the box body (1).

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