A denitration treatment feeding device

Abstract

The utility model discloses a kind of denitration treatment feeding devices, including feeding hopper, further include two-stage discharge port assembly being arranged at the bottom end of feeding hopper, including fixed discharge cylinder seat being fixed on the surface of the bottom end of feeding hopper and with the inside of feeding hopper intercommunication, movable discharge pipe being slidably sleeved on the surface of fixed discharge cylinder seat, adjusting structure being arranged between movable discharge pipe and fixed discharge cylinder seat;The denitration treatment feeding device of the application, by being designed as two-stage to discharge port, and bottom end movable part can move up and down, the overall length telescopic adjustment of discharge port is realized, this kind of innovative design makes feeding device can be according to actual different feeding demand, flexibly adjust discharge port length, ensure that denitrification agent can be put in at best position, effectively improve the mixing effect and reaction efficiency of denitrification agent, and then improve the overall effect of denitration treatment.

Description

Technical Field

[0001] This utility model belongs to the technical field of feeding devices, specifically relating to a denitrification feeding device. Background Technology

[0002] In the operation of waste-to-energy power plants, denitrification is a crucial step, aiming to effectively reduce nitrogen oxide (NOx) emissions during waste incineration to meet increasingly stringent environmental standards. Denitrification typically involves adding denitrifying agents to the incineration system. The feeding device, as a key piece of equipment for conveying denitrifying agents, directly affects the denitrification effect, as well as the overall operational stability and environmental compliance of the waste-to-energy power plant. Currently, the most common feeding devices used in the denitrification process of waste-to-energy power plants are gas-feeding devices. Their working principle is to use the flow of gas to transport powdered denitrifying agents to designated locations, thus achieving the feeding of denitrifying agents. This feeding method has advantages such as high conveying efficiency and adaptability to conveying over certain distances, and has been widely used in waste-to-energy power plants.

[0003] However, existing denitrification feeding devices have certain limitations in their structural design. The length of the discharge port at the bottom is fixed. This fixed-length discharge port design has revealed many problems in practical applications. The fixed-length discharge port of the existing denitrification feeding device cannot be adaptively extended or retracted according to the actual feeding needs. It can only feed according to the pre-set fixed length. This leads to the following problems in actual operation: either it cannot meet the specific feeding position requirements, affecting the mixing effect and reaction efficiency of the denitrifying agent, thus reducing the denitrification effect; or it requires additional auxiliary equipment or adjustment of the layout of the entire denitrification system to accommodate the fixed discharge port length, which increases the equipment cost and operational complexity. Therefore, this utility model proposes a denitrification feeding device. Utility Model Content

[0004] The purpose of this invention is to provide a denitrification feeding device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a denitrification feeding device, comprising a feeding hopper, a feeding port and an air inlet disposed at the top of the feeding hopper, and further comprising...

[0006] The two-section discharge port assembly located at the bottom of the feeding hopper includes a fixed discharge cylinder seat fixed to the bottom surface of the feeding hopper and communicating with the inside of the feeding hopper, a movable discharge pipe slidably sleeved on the surface of the fixed discharge cylinder seat, an annular sealing ring installed on the top surface of the movable discharge pipe, and an adjustment structure located between the movable discharge pipe and the fixed discharge cylinder seat.

[0007] Preferably, the bottom surface of the fixed discharge cylinder seat has two strip-shaped guide blocks symmetrically fixed, and the inner wall of the movable discharge pipe has two strip-shaped guide tracks symmetrically provided for the sliding of the strip-shaped guide blocks.

[0008] Preferably, the adjustment structure includes two arc-shaped outer deflector plates movably mounted on the outer surface of the movable discharge pipe, a limiting rod fixed on the inner surface of the arc-shaped outer deflector plates, and two rows of limiting slots corresponding to the limiting rods opened on the surface of the fixed discharge cylinder seat. The end of the limiting rod passes through the top surface of the movable discharge pipe and is inserted into one of the limiting slots.

[0009] Preferably, the outer surface of the movable discharge pipe is fixed with a side guide rod at both ends of each arc-shaped outer deflector plate, and the two ends of the arc-shaped outer deflector plate are slidably sleeved on the two side guide rods respectively. The end surface of the side guide rod is fixed with an end plate relative to one side of the arc-shaped outer deflector plate, and a spring is also sleeved between the end plate and the arc-shaped outer deflector plate on the surface of the side guide rod.

[0010] Preferably, one end of the spring abuts against the side of the end plate, and the other end of the spring abuts against the outer surface of the arc-shaped outer deflector plate.

[0011] Preferably, a C-shaped handle is fixed at the center of the outer side of the arc-shaped outer deflector, and the C-shaped handle is located between the two side guide rods.

[0012] Preferably, the inner wall of the annular sealing ring is provided with two integral arc-shaped inner sealing rings, and the arc-shaped inner sealing rings are in close contact with the outer wall of the fixed discharge cylinder seat.

[0013] Preferably, the top surface of the movable discharge pipe is fixed with multiple T-shaped clips, and the bottom surface of the annular sealing ring is provided with multiple clip holes corresponding to the T-shaped clips, with the top of the T-shaped clips passing through the clip holes to the top of the annular sealing ring.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: The denitrification feeding device of this application, by designing the discharge port as a two-section type and the bottom movable part being able to move up and down, realizes the extension and retraction adjustment of the overall length of the discharge port. This innovative design allows the feeding device to flexibly adjust the length of the discharge port according to different actual feeding needs, ensuring that the denitrifying agent can be added at the optimal position, effectively improving the mixing effect and reaction efficiency of the denitrifying agent, thereby improving the overall effect of denitrification treatment. At the same time, there is no need to add additional auxiliary equipment or make large-scale adjustments to the denitrification system, reducing equipment costs and operational complexity, significantly improving the flexibility of the feeding device, and better adapting to the diversified and dynamic denitrification treatment needs of waste incineration power plants. Attached Figure Description

[0015] Figure 1This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This utility model Figure 1 A magnified view of a portion of region A in the middle;

[0017] Figure 3 This is a cross-sectional view of the connection between the fixed discharge cylinder seat and the movable discharge pipe of this utility model;

[0018] Figure 4 This utility model Figure 3 A magnified view of a portion of region B in the middle;

[0019] In the diagram: 1. Feed hopper; 21. Fixed discharge cylinder seat; 211. Strip guide block; 22. Movable discharge pipe; 221. T-shaped clamp; 222. Strip guide slide; 23. Adjustment structure; 231. Arc-shaped outer deflector plate; 232. End plate; 233. Spring; 234. Side guide rod; 235. Limiting rod; 236. Limiting groove; 24. Annular sealing ring; 241. Locking hole; 242. Arc-shaped inner sealing ring; 3. Feed port; 4. Air inlet. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] Please see Figures 1 to 4 This is an embodiment of the present utility model, which provides the following technical solution: a denitrification treatment feeding device, including a feeding hopper 1, a feeding port 3 and an air inlet 4 set at the top of the feeding hopper 1. The feeding hopper 1 contains a denitrification treatment agent. In actual use, when an external air source is activated, the gas enters the feeding hopper 1 through the air inlet 4, and the denitrification treatment agent in the feeding hopper 1 is sent out from the bottom end of the fixed discharge cylinder seat 21 and the movable discharge pipe 22 to the external treatment equipment to complete the denitrification treatment feeding. All of this technology is prior art. The specific structure and principle will not be described in detail here. For details, please refer to the existing patent with publication number CN207724602U.

[0023] Also includes

[0024] The two-section discharge port assembly located at the bottom of the feeding hopper 1 includes a fixed discharge cylinder seat 21 welded and fixed to the bottom surface of the feeding hopper 1 and communicating with the inside of the feeding hopper 1, a movable discharge pipe 22 slidably sleeved on the surface of the fixed discharge cylinder seat 21, an annular sealing ring 24 installed on the top surface of the movable discharge pipe 22, and an adjustment structure 23 located between the movable discharge pipe 22 and the fixed discharge cylinder seat 21. The two-section design allows the subsequent operator to slide and adjust the movable discharge pipe 22 up and down according to the actual feeding needs to meet different feeding requirements.

[0025] In this embodiment, preferably, two strip-shaped guide blocks 211 are symmetrically fixed on the bottom surface of the fixed discharge cylinder seat 21, and two strip-shaped guide tracks 222 are symmetrically opened on the inner wall of the movable discharge pipe 22 for the strip-shaped guide blocks 211 to slide. The strip-shaped guide blocks 211 slide within the strip-shaped guide tracks 222, so that the subsequent movable discharge pipe 22 can slide stably up and down on the surface of the fixed discharge cylinder seat 21 without rotating, thus playing a guiding role.

[0026] In this embodiment, preferably, the adjusting structure 23 includes two arc-shaped outer deflector plates 231 movably mounted on the outer surface of the movable discharge pipe 22, a limiting rod 235 welded and fixed to the inner surface of the arc-shaped outer deflector plates 231, and two rows of limiting slots 236 corresponding to the limiting rods 235, formed on the surface of the fixed discharge cylinder seat 21. The end of the limiting rod 235 passes through the top surface of the movable discharge pipe 22 and inserts into one of the limiting slots 236, thereby achieving stable positioning of the movable discharge pipe 22 during daily use and ensuring the high stability of the movable discharge pipe 22. Side guide rods 234 are fixed to both ends of each arc-shaped outer deflector plate 231 on the outer surface of the discharge pipe 22. The two ends of the arc-shaped outer deflector plate 231 are slidably sleeved on the two side guide rods 234, allowing the arc-shaped outer deflector plate 231 to smoothly move horizontally on the outside of the movable discharge pipe 22. An end plate 232 is fixed to one side of the arc-shaped outer deflector plate 231 on the end surface of the side guide rod 234. A spring 233 is also sleeved between the surface of the side guide rod 234 and the end plate 232 and the arc-shaped outer deflector plate 231. Under the pushing force of the spring 233, the arc-shaped outer deflector plate... 231 can fit snugly against the outer surface of the movable discharge pipe 22, while ensuring that the end of the limiting rod 235 can be stably inserted into the limiting slot 236, ensuring the limiting stability of the movable discharge pipe 22. If the overall length of the two-section discharge port assembly needs to be adjusted laterally, simply pull the two arc-shaped outer deflectors 231 forcefully to the side, causing the arc-shaped outer deflectors 231 to slide on the side guide rod 234 and further compress the spring 233, so that the end of the limiting rod 235 can smoothly move out of the limiting slot 236, thus quickly releasing the limitation on the movable discharge pipe 22. At this point, the movable discharge pipe 22 can be discharged. The tube 22 slides up and down, changing the length of the entire two-section discharge port assembly. When the movable discharge tube 22 slides to the appropriate position, the arc-shaped outer deflector plate 231 is released. Under the push of the spring 233, the arc-shaped outer deflector plate 231, along with the limit rod 235, springs back to its original position, so that the end of the limit rod 235 can be inserted into the limit groove 236 in other positions. This allows for quick re-limiting of the movable discharge tube 22 after sliding adjustment, enabling the length of the entire two-section discharge port assembly to be quickly and flexibly adjusted according to different feeding requirements, meeting different feeding and layout needs.

[0027] In this embodiment, preferably, one end of the spring 233 abuts against the side of the end plate 232, and the other end of the spring 233 abuts against the outer surface of the arc-shaped outer deflector plate 231.

[0028] In this embodiment, preferably, a C-shaped handle is welded and fixed at the center of the outer side of the arc-shaped outer deflector plate 231, and the C-shaped handle is located between the two side guide rods 234. The C-shaped handle design makes it convenient for the operator to hold the C-shaped handle to pull the arc-shaped outer deflector plate 231 laterally.

[0029] In this embodiment, preferably, the inner wall of the annular sealing ring 24 is provided with two integral arc-shaped inner sealing rings 242, and the arc-shaped inner sealing rings 242 are in close contact with the outer wall of the fixed discharge cylinder seat 21, which can further improve the sealing performance at the connection between the movable discharge pipe 22 and the fixed discharge cylinder seat 21. Since the annular sealing ring 24 and the arc-shaped inner sealing rings 242 are made of elastic rubber, they will undergo elastic deformation when squeezed, so that the annular sealing ring 24 and the arc-shaped inner sealing rings 242 will not have a significant impact during the up-and-down sliding adjustment of the movable discharge pipe 22.

[0030] In this embodiment, preferably, the top surface of the movable discharge pipe 22 is fixed with a plurality of T-shaped clips 221, and the bottom surface of the annular sealing ring 24 is provided with a plurality of clip holes 241 corresponding to the T-shaped clips 221. The top of the T-shaped clips 221 passes through the clip holes 241 to the top of the annular sealing ring 24. The plurality of T-shaped clips 221 can stably limit the position of the annular sealing ring 24, ensuring the installation stability of the annular sealing ring 24.

[0031] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A denitrification feeding device, comprising a feeding hopper (1), a feeding port (3) disposed on the top of the feeding hopper (1), and an air inlet (4), characterized in that: Also includes The two-section discharge port assembly set at the bottom of the feeding hopper (1) includes a fixed discharge cylinder seat (21) fixed to the bottom surface of the feeding hopper (1) and communicating with the inside of the feeding hopper (1), a movable discharge pipe (22) slidably sleeved on the surface of the fixed discharge cylinder seat (21), an annular sealing ring (24) installed on the top surface of the movable discharge pipe (22), and an adjustment structure (23) set between the movable discharge pipe (22) and the fixed discharge cylinder seat (21).

2. The denitrification feeding device according to claim 1, characterized in that: The bottom surface of the fixed discharge cylinder seat (21) is symmetrically fixed with two strip-shaped guide blocks (211), and the inner wall of the movable discharge pipe (22) is symmetrically provided with two strip-shaped guide tracks (222) for the strip-shaped guide blocks (211) to slide.

3. The denitrification feeding device according to claim 1, characterized in that: The adjustment structure (23) includes two arc-shaped outer deflector plates (231) movably mounted on the outer surface of the movable discharge pipe (22), a limiting rod (235) fixed on the inner surface of the arc-shaped outer deflector plate (231), and two rows of limiting slots (236) corresponding to the limiting rod (235) opened on the surface of the fixed discharge cylinder seat (21). The end of the limiting rod (235) passes through the top surface of the movable discharge pipe (22) and is inserted into one of the limiting slots (236).

4. The denitrification feeding device according to claim 3, characterized in that: The outer surface of the movable discharge pipe (22) is fixed with side guide rods (234) at both ends of each arc-shaped outer deflector plate (231), and the two ends of the arc-shaped outer deflector plate (231) are respectively slidably sleeved on the two side guide rods (234). The end surface of the side guide rod (234) is fixed with an end plate (232) on one side of the arc-shaped outer deflector plate (231). A spring (233) is also sleeved between the surface of the side guide rod (234) and the end plate (232) and the arc-shaped outer deflector plate (231).

5. The denitrification feeding device according to claim 4, characterized in that: One end of the spring (233) abuts against the side of the end plate (232), and the other end of the spring (233) abuts against the outer surface of the arc-shaped outer deflector plate (231).

6. The denitrification feeding device according to claim 4, characterized in that: A C-shaped handle is also fixed at the center of the outer side of the arc-shaped outer deflector plate (231), and the C-shaped handle is located between the two side guide rods (234).

7. The denitrification feeding device according to claim 1, characterized in that: The inner wall of the annular sealing ring (24) is provided with two integral arc-shaped inner sealing rings (242), and the arc-shaped inner sealing rings (242) are in close contact with the outer wall of the fixed discharge cylinder seat (21).

8. The denitrification feeding device according to claim 1, characterized in that: The top surface of the movable discharge pipe (22) is fixed with a plurality of T-shaped clips (221), and the bottom surface of the annular sealing ring (24) is provided with a plurality of clip holes (241) corresponding to the T-shaped clips (221). The top of the T-shaped clips (221) passes through the clip holes (241) to the top of the annular sealing ring (24).

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