Ammonia spraying grid structure

By designing an ammonia spray grid structure and utilizing the spiral blades of the main gas pipeline, branch pipes, and wind caps, uniform spraying and diffusion of ammonia gas are achieved, solving the problem of uneven ammonia gas distribution in traditional devices and improving utilization rate and coverage effect.

CN223846655UActive Publication Date: 2026-01-30NANJING DONGDA ENERGY ENG DESIGN INST CO LTD
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Patent Information

Application Number
CN202520172705.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-01-30
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Traditional ammonia injection devices suffer from uneven ammonia gas distribution, resulting in low utilization rates and potential environmental pollution, failing to meet the requirements for uniform coverage.

Method used

The system employs an ammonia-injection grid structure. Through the design of the main gas pipeline, branch gas pipelines, and wind cap, ammonia gas is sprayed upward through the outlet pipe at the spray point and generates a rotating airflow through the spiral blades of the wind cap, achieving uniform diffusion.

Benefits of technology

It improved the utilization rate and coverage uniformity of ammonia, enhanced the treatment effect, and met actual needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ammonia spraying grid structure which comprises a gas transmission header pipe and a plurality of gas transmission branch pipes, the gas transmission branch pipes are evenly distributed on the gas transmission header pipe, a plurality of gas outlet pipes are arranged on the gas transmission branch pipes, spraying outlets of the gas outlet pipes are connected with air caps, and the lower surfaces of the air caps are arranged in a conical shape. A plurality of air outlets which are horizontally arranged are arrayed on the air caps, the inner ends of the air outlets are communicated with the air outlet pipes, and the outer ends of the air outlets are positioned on the lower surfaces of the air caps. And effective conveying and distribution of ammonia gas are realized. And at each spraying point, the ammonia gas is upwards sprayed out through the gas outlet pipe and is adjusted and diffused through the hood. The lower surface of the air cap is in a conical shape, a plurality of spiral blades are arrayed on the lower surface of the air cap, and when ammonia gas passes through the air cap, the spiral blades can generate rotating airflow, so that the ammonia gas is sprayed more uniformly, and the diffusion range is wider.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of ammonia spraying grid structure, belong to ammonia spraying denitration technical field. BACKGROUND

[0002] Traditional ammonia spraying device usually relies on simple pipeline system, ammonia gas is directly transported to spraying point, lack of necessary adjustment and diffusion mechanism, leading to uneven coverage of ammonia gas in target area, part of area can be excessive ammonia gas, while other areas can be insufficiently covered. This uneven ammonia gas distribution not only reduces the utilization rate of ammonia gas, but also can cause unnecessary pollution to the environment, while also cannot meet the strict requirements of ammonia gas uniform coverage in actual treatment demand, in order to overcome these technical defects, an ammonia spraying grid structure is proposed. SUMMARY

[0003] The utility model aims at providing a kind of ammonia spraying grid structure to solve the problems raised in the above background technology.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: an ammonia spraying grid structure, comprising:

[0005] Gas supply main pipe;

[0006] A plurality of gas supply branch pipes, a plurality of gas supply branch pipes are evenly distributed on the gas supply main pipe, one end of the gas supply branch pipe is communicated with the gas supply main pipe;

[0007] A plurality of gas outlets, a plurality of gas outlets are arranged on the gas supply branch pipe, and the spraying outlet of the gas outlet is upward;

[0008] Air cap, the air cap is connected by thread at the spraying outlet of the gas outlet, and the lower surface of the air cap is conical;

[0009] Among them, a plurality of horizontally arranged gas outlets are arranged on the air cap, the inner end of the gas outlet is communicated with the gas outlet, and the outer end of the gas outlet is located on the lower surface of the air cap.

[0010] Preferably, a connecting head is arranged on the gas supply main pipe, a plug-in hole is formed in the inside of the connecting head, and a plug-in head is connected to the end of the gas supply branch pipe, the plug-in head is plugged into the inside of the plug-in hole.

[0011] Among them, clamping grooves are formed on both sides of the plug-in head, a clamping frame matched with the clamping grooves is slidably connected to the connecting head by spring, the sliding direction of the clamping frame is perpendicular to the plugging direction of the plug-in head, and an avoiding slot is formed on the side wall of the clamping frame.

[0012] Preferably, a sealing gasket is arranged on the inner wall of the plug-in hole.

[0013] Preferably, the lower surface of the air cap is arrayed with multiple spiral blades.

[0014] Preferably, the upper end surface of the air cap is conical.

[0015] Preferably, the gas supply branch pipe is vertically arranged with the gas supply main pipe.

[0016] Preferably, the end of the gas supply branch pipe is sealed with a screw cap.

[0017] Preferably, the gas supply main pipe is fixedly connected with a gas guide pipe for guiding ammonia gas into the gas supply main pipe.

[0018] Compared with the prior art, the utility model discloses a gas guide pipe is used to introduce external ammonia gas source into the gas supply main pipe, and multiple evenly distributed gas supply branch pipes are used to distribute ammonia gas to each spraying point, thereby realizing effective delivery and distribution of ammonia gas.

[0019] The design not only improves the utilization rate of ammonia gas but also ensures that the target area can be fully and uniformly covered with ammonia gas. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is a structural schematic view of the air cap of the utility model;

[0022] Figure 3 It is a sectional view of the air cap of the utility model;

[0023] Figure 4 It is a structural schematic view of the gas supply branch pipe, plug-in connector and connecting head of the utility model;

[0024] Figure 5 It is a sectional view of the connecting head and clamping frame of the utility model.

[0025] In the drawing:

[0026] 1, gas supply main pipe;

[0027] 2, gas supply branch pipe, 201, plug-in connector, 202, clamping groove;

[0028] 3, gas outlet pipe;

[0029] 4. Wind cap, 401, spiral blades, 402, air outlet;

[0030] 5. Connector, 501, Plug-in hole;

[0031] 6. Spring; 7. Snap-fit ​​bracket; 701. Clearance groove;

[0032] 8. Sealing gasket;

[0033] 9. Nuts;

[0034] 10. Air tube. Detailed Implementation

[0035] The present invention is illustrated below with specific embodiments, but these are not intended to limit the scope of the invention.

[0036] Example 1

[0037] like Figures 1-5 As shown in this embodiment, an ammonia spraying grid structure is provided, including a main gas pipeline 1, with a gas guide pipe 10 fixedly connected to the main gas pipeline 1 for introducing ammonia gas into the main gas pipeline 1; multiple gas branch pipes 2 are evenly distributed on the main gas pipeline 1, one end of the gas branch pipe 2 is connected to the main gas pipeline 1, the gas branch pipe 2 is arranged perpendicularly to the main gas pipeline 1, and the ends of the main gas pipeline 1 and the gas branch pipe 2 are sealed by nuts 9; multiple gas outlet pipes 3 are provided on the gas branch pipes 2, and the spray outlets of the gas outlet pipes 3 are upward; the spray outlets of the gas outlet pipes 3 are connected to the wind caps 4 by threads, the lower surface of the wind caps 4 is conical, multiple spiral blades 401 are arrayed on the lower surface of the wind caps 4, and the upper end face of the wind caps 4 is conical; wherein, multiple horizontally arranged air outlets 402 are arrayed on the wind caps 4, the inner end of the air outlets 402 is connected to the air outlet pipes 3, and the outer end of the air outlets 402 is located on the lower surface of the wind caps 4.

[0038] During the operation of the ammonia spraying grid structure, an external ammonia source is first introduced into the main gas supply pipe 1 through the gas guide pipe 10. Subsequently, the ammonia flows within the main gas supply pipe 1 and is distributed to various spraying points through multiple evenly distributed branch pipes 2. At each spraying point, the ammonia is sprayed upwards through the outlet pipe 3.

[0039] When ammonia gas passes through the outlet pipe 3, it enters the interior of the vent cap 4 and is ejected through the array of outlet holes 402 on the vent cap 4. Because the lower surface of the vent cap 4 is cone-shaped and has multiple spiral blades 401 arrayed on it, these blades generate a rotating airflow as the ammonia gas passes through. This rotating airflow not only makes the ammonia gas more evenly distributed during spraying but also enhances its diffusion effect, allowing the ammonia gas to cover a wider area.

[0040] Finally, after the adjustment and diffusion of the hood 4, the ammonia gas is sprayed to the target area in a uniform and extensive manner, achieving ammonia coverage and treatment of the target area. Throughout the process, the nut 9 ensures the sealing between the gas supply main pipe 1 and the gas supply branch pipe 2, preventing ammonia gas leakage and waste.

[0041] Example two

[0042] As Figure 1 、 Figure 4 With Figure 5 on the basis of example one, in order to enable the gas supply branch pipe 2 to be quickly installed on the gas supply main pipe 1, the gas supply main pipe 1 is provided with a connecting head 5, the inside of the connecting head 5 is provided with a plug-in hole 501, the end of the gas supply branch pipe 2 is connected with a plug-in head 201, and the plug-in head 201 is plugged into the inside of the plug-in hole 501;

[0043] Among them, the two sides of the plug-in head 201 are provided with clamping grooves 202, the connecting head 5 is slidably connected with a clamping frame 7 matched with the clamping grooves 202 through a spring 6, the sliding direction of the clamping frame 7 is perpendicular to the plug-in direction of the plug-in head 201, and the side wall of the clamping frame 7 is provided with an avoidance groove 701, which is C-shaped, and the diameter of the circle where the avoidance groove 701 is located is the same as the diameter of the plug-in hole 501.

[0044] The process of installing the gas supply branch pipe 2 on the gas supply main pipe 1 is as follows:

[0045] Press the clamping frame 7 to make the clamping frame 7 compress the spring 6 and slide, at this time the avoidance groove 701 coincides with the plug-in hole 501, in this state, the plug-in head 201 is inserted into the inside of the plug-in hole 501, after the plug-in head 201 is completely inserted, the clamping frame 7 is released, the spring 6 is pressed, and the clamping frame 7 is reset, so that the avoidance groove 701 and the plug-in hole 501 are staggered with the sliding of the clamping frame 7, at this time, the clamping frame 7 is clamped in the inside of the clamping groove 202, so that the gas supply branch pipe 2 can be quickly installed on the gas supply main pipe 1;

[0046] When disassembly is needed, the clamping frame 7 is pressed again, so that the avoidance groove 701 coincides with the plug-in hole 501, in this state, the plug-in head 201 can be quickly pulled out from the inside of the plug-in hole 501.

[0047] The inner wall of the plug-in hole 501 is provided with a sealing gasket 8, when the plug-in head 201 is plugged into the inside of the plug-in hole 501, the end of the plug-in head 201 abuts against the sealing gasket 8, forming an effective seal.

[0048] Finally, it should be noted that the above examples are intended to illustrate and not limit the technical solutions of the present application. Although the present application has been described in detail with reference to the above examples, those skilled in the art should understand that the present application can still be modified or equivalently replaced without departing from the spirit and scope of the present application, and any modification or partial replacement thereof should be covered in the scope of the claims of the present application.

Claims

1. An ammonia injection grid structure, characterized by, Include: Gas supply main pipe (1); A plurality of gas supply branch pipes (2) are uniformly distributed on the gas supply main pipe (1), and one end of the gas supply branch pipe (2) communicates with the gas supply main pipe (1); A plurality of gas outlet pipes (3) are arranged on the gas supply branch pipe (2), and the spray outlet of the gas outlet pipe (3) is upward; The hood (4) is connected by threads at the spray outlet of the gas outlet pipe (3), and the lower surface of the hood (4) is conical; Wherein, the hood (4) is arrayed with a plurality of horizontally arranged gas outlet holes (402), the inner end of the gas outlet hole (402) communicates with the gas outlet pipe (3), and the outer end of the gas outlet hole (402) is located on the lower surface of the hood (4).

2. An ammonia injection grid structure according to claim 1, wherein The gas supply main pipe (1) is provided with a connecting head (5), the inner part of the connecting head (5) is provided with a plug hole (501), the end of the gas supply branch pipe (2) is connected with a plug head (201), and the plug head (201) is inserted in the inner part of the plug hole (501); Wherein, the two sides of the plug head (201) are provided with clamping grooves (202), the connecting head (5) is slidably connected with a clamping frame (7) matched with the clamping grooves (202) through a spring (6), the sliding direction of the clamping frame (7) is perpendicular to the plug direction of the plug head (201), and the side wall of the clamping frame (7) is provided with an avoiding groove (701).

3. An ammonia injection grid structure according to claim 2, wherein The inner wall of the plug hole (501) is provided with a sealing gasket (8).

4. The ammonia injection grid structure of claim 1 wherein, The lower surface of the hood (4) is arrayed with a plurality of spiral blades (401).

5. The ammonia injection grid structure of claim 1 wherein, The upper end surface of the hood (4) is conical.

6. An ammonia injection grid structure according to claim 1 wherein, The gas supply branch pipe (2) is arranged vertically with the gas supply main pipe (1).

7. The ammonia injection grid structure of claim 1 wherein, The end of the gas supply main pipe (1) and the gas supply branch pipe (2) is sealed by a nut (9).

8. The ammonia injection grid structure of claim 1 wherein, The gas supply main pipe (1) is fixedly connected with a gas guide pipe (10) for guiding ammonia gas into the gas supply main pipe (1).