Adjustable spraying device for incinerator denitration

By introducing an adjustable spray system into the incinerator flue gas denitrification device, and utilizing a servo motor-driven gear transmission system and a blockage-clearing mechanism, the problem of insufficient contact between the denitrification liquid and flue gas caused by the fixed nozzle position was solved, achieving a more efficient denitrification effect.

CN223945361UActive Publication Date: 2026-02-27LIAONING FUKUANG SANFENG YIJIN ENVIRONMENTAL PROTECTION ENERGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202520510042.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-27
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

In existing incinerator flue gas denitrification devices, the fixed nozzle position leads to insufficient contact between the denitrification liquid and the flue gas, affecting the denitrification effect.

Method used

An adjustable spray device is adopted, which uses a servo motor to drive a gear transmission system to rotate the nozzles. Combined with a liquid pump and a liquid guide steel pipe, the nozzle position can be flexibly adjusted to ensure that the denitrification liquid and flue gas are in full contact. A cleaning mechanism is also provided to clean the nozzles.

Benefits of technology

This improves the contact efficiency between the denitrification liquid and the flue gas, enhances the denitrification effect, and ensures the practicality and stable operation of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable spraying device for incinerator denitration, which belongs to the technical field of incinerator denitration, and comprises a bottom plate, the top of the bottom plate is fixedly connected with a denitration spraying tower, the top of the bottom plate is provided with a liquid supply mechanism, an inner cavity of the denitration spraying tower is fixedly sleeved with a plurality of L-shaped steel pipes, and the L-shaped steel pipes are fixedly connected with the bottom plate. And the end parts of the plurality of L-shaped steel pipes are fixedly sleeved with rotary joints. According to the denitration device, the liquid pump, the liquid guide steel pipe, the L-shaped steel pipe, the rotating joint, the rotating pipe, the liquid separation box and the liquid spraying pipe are matched to enable the spraying head to spray denitration liquid downwards, the servo motor drives the first gear to rotate, and the liquid separation box, the liquid spraying pipe and the spraying head are driven to rotate through meshing transmission between the first gear and the second gear; therefore, the spraying position of the spray head is changed, the denitration liquid and the flue gas are ensured to be fully and effectively contacted, the flue gas denitration effect is ensured, and the practicability is good.
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Description

TECHNICAL FIELD

[0001] The utility model relates to incinerator denitration technical field more specifically, relate to a kind of adjustable spraying device for incinerator denitration. BACKGROUND

[0002] Incinerator is commonly used in medical and household waste, animal harmless treatment aspect of a harmless treatment equipment. Its principle is to use coal, fuel oil, fuel gas and other fuels, to be processed object is carbonized by high-temperature incineration, to achieve the purpose of disinfection. In the process of incineration of garbage, flue gas with pollutants, flue gas needs to be denitrated and desulfurized.

[0003] After searching, the utility model patent with publication number CN222286895U discloses a flue gas desulfurization spraying tower, comprising a bottom plate, a spraying tower body, a water tank, a water pump, a water outlet pipe, a water suction pipe and the like; the spraying tower body is installed on the top left side of the bottom plate, the water tank is installed on the top right side of the bottom plate, the water pump is installed on the water tank, the water pump top is provided with a water outlet pipe, and the water pump bottom is provided with a water suction pipe; the water suction pipe penetrates the water tank and is located inside the water tank; two annular water pipes are arranged inside the spraying tower body; a plurality of spray heads are arranged on the annular water pipes; the right ends of the two annular water pipes are communicated with the water outlet pipe; by setting the lifting assembly, the gypsum blockage at the spray head of the two annular water pipes can be cleaned from front to back, which can avoid affecting the normal work of flue gas denitrification when cleaning the gypsum blockage, and the gypsum blockage at the spray head can be cleaned more thoroughly by setting the brush rod on the cleaning assembly. But the above-mentioned patent still has the following deficiencies: the position of the spray head is fixed, which is not convenient for the sprayed denitration liquid to effectively contact with the flue gas generated in the incinerator, affecting the denitration effect. Therefore, we propose a kind of adjustable spraying device for incinerator denitration. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the utility model aims to provide an adjustable spraying device for incinerator denitration.

[0005] To solve the above problems, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of adjustable spraying device for incinerator denitration, including bottom plate, the top of the bottom plate is fixedly connected with denitration spraying tower, the top of the bottom plate is provided with liquid supply mechanism, the inner cavity of the denitration spraying tower is fixedly sleeved with multiple L-shaped steel pipes, the end of multiple L-shaped steel pipes is fixedly sleeved with swivel joint, the bottom end of multiple rotating tubes is fixedly connected with liquid distribution box, the side of the liquid distribution box is fixedly sleeved with multiple liquid injection pipes, the bottom of multiple liquid injection pipes is fixedly installed with multiple spray heads, the outside of rotating tube is fixedly sleeved with second gear, the outside of one end of multiple L-shaped steel pipes is respectively fixedly sleeved with mounting bracket, the top surface of the mounting bracket is fixedly installed with servo motor, the output shaft of the servo motor is fixedly sleeved with first gear, and the first gear and second gear are engaged with each other, and the inner cavity of the denitration spraying tower is provided with multiple blockage clearing mechanisms.

[0007] As a preferred scheme of the utility model, the liquid supply mechanism includes a liquid storage tank fixedly connected to the top surface of the bottom plate, a liquid pump fixedly installed on the top surface of the liquid storage tank, two liquid guide steel pipes fixedly connected to the two ends of the liquid pump, the bottom end of one of the liquid guide steel pipes extending into the inner cavity of the liquid storage tank, and the other end of the L-shaped steel pipes extending to the outside of the denitration spraying tower and connected to the other liquid guide steel pipe.

[0008] As a preferred scheme of the utility model, the blockage clearing mechanism includes two mounting seats fixedly connected to the inner cavity of the denitration spraying tower, an electric push rod fixedly installed on each of the two mounting seats, a hexagonal bracket fixedly connected to the two electric push rods, multiple blockage clearing rods fixedly connected to the top surface of the hexagonal bracket, a brush provided on the side of each blockage clearing rod, the blockage clearing rods being positioned below the spray heads, and a protective box fixedly connected to the bottom surface of the mounting seat and located outside the electric push rod.

[0009] As a preferred scheme of the utility model, a protective shell is fixedly connected to the top surface of the mounting bracket and located outside the servo motor.

[0010] As a preferred scheme of the utility model, a liquid inlet is provided on the top surface of the liquid storage tank, and a control panel is fixedly installed on the top surface of the liquid storage tank.

[0011] As a preferred scheme of the utility model, a smoke exhaust pipe is provided on the top of the denitration spraying tower, a liquid discharge pipe is fixedly sleeved to the outside of the bottom end of the denitration spraying tower, an air inlet pipe is fixedly sleeved to the side of the denitration spraying tower, and a perspective board is fixedly sleeved to the front of the denitration spraying tower.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a cooperation of pumping unit, liquid guide steel pipe, L shape steel pipe, swivel joint, rotating pipe, liquid distribution box and liquid spray pipe makes the spray head downwardly spray denitration liquid, and the first gear is rotated through servo motor drive, and the liquid distribution box, liquid spray pipe and spray head are driven to rotate through the meshing transmission between the first gear and the second gear, thereby changing the spray position of the spray head, guaranteeing that denitration liquid and flue gas are fully and effectively contacted, guaranteeing the effect of denitration to flue gas, and the practicality is good. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the whole sectional view schematic diagram of the utility model;

[0016] Figure 3 It is the structure schematic diagram of liquid spray pipe of the utility model;

[0017] Figure 4 It is the structure schematic diagram of hexagonal frame of the utility model.

[0018] Mark explanation in drawing:

[0019] 1, bottom plate, 2, denitration spray tower, 3, L shape steel pipe, 4, liquid supply mechanism, 5, clearing mechanism, 6, swivel joint, 7, rotating pipe, 8, liquid distribution box, 9, liquid spray pipe, 10, spray head, 11, second gear, 12, mounting frame, 13, servo motor, 14, first gear, 15, protective shell, 16, liquid storage tank, 17, pumping unit, 18, liquid guide steel pipe, 19, liquid inlet, 20, control panel, 21, mounting seat, 22, electric push rod, 23, hexagonal frame, 24, clearing rod, 25, brush, 26, protective box, 27, perspective board, 28, air inlet pipe, 29, flue gas outlet pipe, 30, liquid outlet pipe. DETAILED DESCRIPTION

[0020] The technical schemes in the embodiments of the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0021] In the description of the utility model, it needs to explain, the term "upper", "lower", "inner", "outer", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms "mounting", "setting", "sleeving / interfacing", "connecting" and so on should be understood broadly, for example, "connecting", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Embodiment:

[0024] Please refer to Figures 1-4 A kind of adjustable spraying device for denitration of incinerator, including bottom plate 1, the top of bottom plate 1 is fixedly connected with denitration spray tower 2, the top of bottom plate 1 is provided with liquid supply mechanism 4, the inner chamber of denitration spray tower 2 is fixedly sleeved with multiple L-shaped steel pipes 3, the end of multiple L-shaped steel pipes 3 is fixedly sleeved with swivel joint 6, the bottom end of swivel joint 6 is fixedly sleeved with rotating pipe 7, the bottom end of multiple rotating pipes 7 is fixedly connected with liquid distribution box 8, the side of liquid distribution box 8 is fixedly sleeved with multiple liquid injection pipes 9, the bottom of multiple liquid injection pipes 9 is fixedly installed with multiple spray heads 10, the outside of rotating pipe 7 is fixedly sleeved with second gear 11, the outside of one end of multiple L-shaped steel pipes 3 is respectively fixedly sleeved with mounting bracket 12, the top surface of mounting bracket 12 is fixedly installed with servo motor 13, the output shaft of servo motor 13 is fixedly sleeved with first gear 14, first gear 14 and second gear 11 are engaged with each other, the inner chamber of denitration spray tower 2 is provided with multiple unblocking mechanisms 5.

[0025] Specifically, please refer to Figure 1 Liquid supply mechanism 4 includes liquid storage tank 16 fixedly connected to the top surface of bottom plate 1, liquid storage tank 16 is fixedly installed with liquid pump 17 on the top surface, the two ends of liquid pump 17 are respectively fixedly connected with liquid guide steel pipe 18, the bottom end of one liquid guide steel pipe 18 extends to the inner chamber of liquid storage tank 16, the other end of multiple L-shaped steel pipes 3 extends to the outside of denitration spray tower 2 and is connected with the other liquid guide steel pipe 18.

[0026] Specifically, please refer to Figure 2 AndFigure 4 The blockage cleaning mechanism 5 comprises two mounting seats 21 fixedly connected in the inner cavity of the denitration spray tower 2, two electric push rods 22 are fixedly installed on the two mounting seats 21 respectively, a hexagonal frame 23 is fixedly connected on the two electric push rods 22, a plurality of blockage cleaning rods 24 are fixedly connected on the top surface of the hexagonal frame 23, a brush 25 is arranged on the side surface of the blockage cleaning rod 24, the position of the blockage cleaning rod 24 is below the nozzle 10, and a protective box 26 is fixedly connected on the bottom surface of the mounting seat 21 and located outside the electric push rod 22.

[0027] In the embodiment, the electric push rod 22 is protected by the protective box 26, so that the electric push rod 22 is prevented from being affected by the denitration liquid and flue gas.

[0028] Specifically, please refer to Figure 3 The top surface of the mounting bracket 12 and outside the servo motor 13 are fixedly connected with a protective shell 15.

[0029] In the embodiment, the servo motor 13 is protected by the protective shell 15, so that the protective shell 15 is prevented from being affected by the denitration liquid and flue gas.

[0030] Specifically, please refer to Figure 1 The top surface of the liquid storage tank 16 is provided with a liquid adding port 19, and the top surface of the liquid storage tank 16 is fixedly installed with a control panel 20.

[0031] In the embodiment, the denitration liquid is added into the liquid storage tank 16 through the liquid adding port 19, the denitration liquid can be urea water solution, and the device is controlled through the control panel 20.

[0032] Specifically, please refer to Figure 1 The top of the denitration spray tower 2 is provided with a smoke exhaust pipe 29, the outer side of the bottom end of the denitration spray tower 2 is fixedly sleeved with a liquid discharge pipe 30, the side of the denitration spray tower 2 is fixedly sleeved with an air inlet pipe 28, and the front of the denitration spray tower 2 is fixedly sleeved with a perspective plate 27.

[0033] In the embodiment, the situation in the inner cavity of the denitration spray tower 2 is controlled through the perspective plate 27, and the nozzle 10 and the blockage cleaning rod 24 are aligned, so as to clean the nozzle 10.

[0034] Working principle: when using, first, the flue gas to be denitration is introduced into the inner cavity of the denitration spray tower 2, and the liquid pump 17 is started to make a liquid guide steel pipe 18 generate suction, the denitration liquid is introduced into the L-shaped steel pipe 3 by the liquid guide steel pipe 18, and the denitration solution in the L-shaped steel pipe 3 is introduced into the liquid spray pipe 9 from the rotary joint 6, the rotating pipe 7 and the liquid distribution box 8, and the denitration solution in the liquid spray pipe 9 is sprayed from the spray head 10, so that the denitration solution denitrates the flue gas, then the servo motor 13 is started to drive the first gear 14 to rotate, the rotating pipe 7, the liquid distribution box 8, the liquid spray pipe 9 and the spray head 10 are driven to rotate by the meshing transmission between the first gear 14 and the second gear 11, so as to change the position of the spray head 10 spraying the denitration liquid, ensure that the denitration solution and the flue gas are fully contacted, finally, when it is needed to clean the blockage of the spray head 10, the spray head 10 is moved to the top of the cleaning rod 24 by the meshing transmission between the first gear 14 and the second gear 11, the electric push rod 22 is started to drive the hexagonal frame 23, the cleaning rod 24 and the brush 25 to move up and down reciprocally, the cleaning rod 24 and the brush 25 are inserted into the spray head 10 to clean the blockage, and the cleaning is completed.

[0035] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An adjustable spray device for denitrification in an incinerator, comprising a base plate (1), characterized in that: A denitrification spray tower (2) is fixedly connected to the top of the base plate (1). A liquid supply mechanism (4) is provided on the top of the base plate (1). Multiple L-shaped steel pipes (3) are fixedly sleeved in the inner cavity of the denitrification spray tower (2). Rotary joints (6) are fixedly sleeved at the ends of the multiple L-shaped steel pipes (3). Rotary pipes (7) are fixedly sleeved at the bottom ends of the rotary joints (6). Liquid distribution boxes (8) are fixedly connected to the bottom ends of the multiple rotary pipes (7). Multiple spray pipes (9) are fixedly sleeved on the sides of the liquid distribution boxes (8). Multiple nozzles (10) are fixedly installed at the bottom of the liquid pipe (9). A second gear (11) is fixedly sleeved on the outside of the rotating pipe (7). Mounting brackets (12) are fixedly sleeved on the outside of one end of multiple L-shaped steel pipes (3). A servo motor (13) is fixedly installed on the top surface of the mounting bracket (12). A first gear (14) is fixedly sleeved on the output shaft of the servo motor (13). The first gear (14) and the second gear (11) mesh with each other. Multiple unclogging mechanisms (5) are provided in the inner cavity of the denitrification spray tower (2).

2. The adjustable spray device for denitrification in an incinerator according to claim 1, characterized in that: The liquid supply mechanism (4) includes a liquid storage tank (16) fixedly connected to the top surface of the base plate (1). A liquid pump (17) is fixedly installed on the top surface of the liquid storage tank (16). Liquid guide steel pipes (18) are fixedly connected to both ends of the liquid pump (17). The bottom end of one of the liquid guide steel pipes (18) extends into the inner cavity of the liquid storage tank (16). The other ends of multiple L-shaped steel pipes (3) extend to the outside of the denitrification spray tower (2) and are connected to another liquid guide steel pipe (18).

3. The adjustable spray device for denitrification in an incinerator according to claim 1, characterized in that: The unblocking mechanism (5) includes two mounting seats (21) fixedly connected to the inner cavity of the denitrification spray tower (2). Electric push rods (22) are fixedly installed on the two mounting seats (21). Hexagonal frames (23) are fixedly connected to the two electric push rods (22). Multiple unblocking rods (24) are fixedly connected to the top surface of the hexagonal frames (23). Brushes (25) are provided on the side of the unblocking rods (24). The unblocking rods (24) are located below the nozzles (10). A protective box (26) is fixedly connected to the bottom surface of the mounting seats (21) and outside the electric push rods (22).

4. The adjustable spray device for denitrification in an incinerator according to claim 1, characterized in that: A protective shell (15) is fixedly connected to the top surface of the mounting bracket (12) and to the outside of the servo motor (13).

5. The adjustable spray device for denitrification in an incinerator according to claim 2, characterized in that: The top surface of the liquid storage tank (16) is provided with a liquid filling port (19), and a control panel (20) is fixedly installed on the top surface of the liquid storage tank (16).

6. The adjustable spray device for denitrification in an incinerator according to claim 1, characterized in that: The top of the denitrification spray tower (2) is provided with a flue pipe (29), the bottom of the denitrification spray tower (2) is fixedly sleeved with a drain pipe (30), the side of the denitrification spray tower (2) is fixedly sleeved with an air inlet pipe (28), and the front of the denitrification spray tower (2) is fixedly sleeved with a viewing plate (27).

Citation Information

Patent Citations

  • Flue gas desulfurization spray tower

    CN222286895U