Ammonia spraying assembly
By setting up a filter mesh and scraper cleaning system in the nozzle of the ammonia spray assembly, the problem of nozzle blockage is solved, and the long-term stable use and convenient maintenance of the nozzle is achieved.
Patent Information
- Application Number
- CN202421227598.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-31
AI Technical Summary
During the ammonia injection process, existing ammonia injection components are prone to bring impurities into the nozzle when the gas rises, resulting in the nozzle being blocked and unable to continue to use.
An ammonia spray assembly is designed, including a storage box, ammonia spray can body and a nozzle. The inner wall of the nozzle is equipped with a connecting plate and a filter screen. The filter screen can be cleaned by the movement of the scraper to prevent clogging.
It effectively prevents the nozzle from being blocked, extends the service life of the nozzle, and facilitates regular cleaning of the filter screen to ensure the continuity of the ammonia spraying process.
Smart Images

Figure CN222624187U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ammonia spraying, in particular to an ammonia spraying component. Background Art
[0002] Ammonia is an inorganic compound with a chemical formula of NH3 and a molecular weight of 17.031. Under standard conditions, the density is 0.771 g / L and the relative density is 0.5971 (air = 1.00). It is a colorless gas with a strong pungent odor. Ammonia can turn moist red litmus paper blue, produce a small amount of hydroxide ions in water, and is weakly alkaline. It can be liquefied by pressurizing at room temperature (critical temperature 132.4°C, critical pressure 11.2 MPa, i.e. 112.2 atmospheres), boiling point -33.5°C, and can also be easily solidified into a snow-like solid, melting point -77.75°C, soluble in water, ethanol and ether. It will decompose into nitrogen and hydrogen at high temperatures and has a reducing effect. Ammonia can be oxidized to nitric oxide in the presence of a catalyst. Nowadays, it is often necessary to use ammonia spray components for desulfurization.
[0003] The prior art discloses an ammonia spray desulfurization device of CN215782676U, which specifically relates to the field of waste gas treatment technology, including a tower body, a connecting ring is installed at the lower end of the tower body, a plurality of shunt pipes are distributed in an annular manner at the bottom end of the connecting ring, a central shaft is fixedly installed at the center of the bottom end of the tower body, a rotating cylinder is rotatably provided in the middle of the central shaft, a plurality of connecting blocks are distributed in an annular manner on the outer ring of the rotating cylinder, an arc-shaped scraper is installed at the other end of the connecting block, an annular pipe is provided at the upper end of the central shaft, a plurality of nozzles are distributed in an annular manner at the bottom end of the annular pipe, a demister is fixedly installed at the upper end of the tower body, and an air outlet is provided at the top of the tower body. The particulate matter in the waste gas is treated with the treatment liquid, the waste gas is treated with the ammonia liquid sprayed from the nozzle, the rotating cylinder is rotated to drive the arc-shaped scraper to rotate, and the pollutants attached to the inner wall of the tower body are treated to prevent the pollutants from corroding the tower body after long-term attachment.
[0004] When today's ammonia spraying components are spraying ammonia, some gas will inevitably enter the nozzle during the gas rising process. The impurities in the gas may clog the nozzle, making it unusable. Utility Model Content
[0005] The purpose of the utility model is to provide an ammonia spraying component to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ammonia spray assembly, comprising a storage box, an ammonia spray tank body and a nozzle, the lower surface of the ammonia spray tank body is welded with support legs, and the inner wall of the ammonia spray tank body is fixed with a fixed pipe, the inner wall of the nozzle is movably plugged with a connecting plate, and a filter is embedded and fixed inside the connecting plate, the inner wall of the nozzle is fixed with an outer plate, and the storage box is fixed to the outer end face of one side of the ammonia spray tank body.
[0007] When using an ammonia spraying assembly in the technical solution, the outer plate drives the inner plate to move under the action of the power device, and the inner plate drives the scraper to move. The scraper can scrape the filter screen to prevent the filter screen from being blocked. Loosen the fixing bolts, unscrew the locking plate, remove the connecting plate, and then clean the filter screen. The filter screen can be removed regularly to prevent the nozzle from being blocked.
[0008] Open the feed valve, pour ammonia water into the storage box through the feed pipe, open the air intake valve, and the gas enters the ammonia spray tank body through the air intake pipe. The connecting pipe can send the ammonia water in the storage box into the fixed pipe under the action of the power device, and then the ammonia water is sprayed on the outer surface of the gas through the nozzle, which can denitrify the gas. After the gas is denitrified, open the outlet valve and discharge the gas through the outlet pipe to facilitate ammonia spraying.
[0009] Preferably, the upper surface of the ammonia spray tank body is connected with an air outlet pipe, and the outer surface of the air outlet pipe is threadedly connected with an air outlet valve. By arranging the air outlet pipe and the air outlet valve on the upper surface of the ammonia spray tank body, it is convenient to discharge the gas.
[0010] Preferably, an air inlet pipe is connected to the outer end surface of one side of the ammonia spray tank body, and an air inlet valve is threadedly connected to the outer surface of the air inlet pipe. By arranging the air inlet pipe and the air inlet valve on one side of the ammonia spray tank body, it is convenient to send gas into the ammonia spray tank body.
[0011] Preferably, a feed pipe is connected to one side of the storage box, and a feed valve is threadedly connected to the outer surface of the feed pipe, and a connecting pipe is connected to the fixed pipe. The feed pipe and the feed valve are arranged on one side of the storage box, so that ammonia water can be easily poured into the storage box.
[0012] Preferably, the upper surface of the spray head is connected with a liquid spray pipe, and the liquid spray pipe is connected with the fixed pipe. By arranging the liquid spray pipe on the upper surface of the spray head, it is convenient to connect the fixed pipe and the spray head.
[0013] Preferably, both outer end surfaces of the connecting plate are threadedly connected with locking plates, and one outer end surface of the locking plate is threadedly connected with fixing bolts. By arranging locking plates and fixing bolts on both sides of the connecting plate, it is convenient to fix and clamp the connecting plate.
[0014] Preferably, the outer end surface of one side of the outer plate is movably connected with the inner plate, and the upper surface of the inner plate is fixed with a scraper, and the scraper is attached to the lower surface of the connecting plate. By arranging the inner plate and the scraper on one side of the outer plate, it is convenient to scrape the filter clean.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The utility model achieves the effect of preventing the nozzle from being blocked by arranging a connecting plate, a locking plate and a scraper. The outer plate drives the inner plate to move under the action of the power device, and the inner plate drives the scraper to move. The scraper can scrape the filter to prevent the filter from being blocked. Loosen the fixing bolts, unscrew the locking plate, remove the connecting plate, and clean the filter. The filter can be removed regularly to prevent the nozzle from being blocked.
[0017] 2. The utility model achieves the effect of facilitating ammonia spraying by arranging an air intake pipe, a storage box and a fixed pipe. The feed valve is opened, and ammonia water is poured into the storage box through the feed pipe. The air intake valve is opened, and the gas enters the ammonia spray tank body through the air intake pipe. The connecting pipe can send the ammonia water in the storage box into the fixed pipe under the action of the power device, and then the ammonia water is sprayed on the outer surface of the gas through the nozzle, which can denitrate the gas. After the gas is denitrated, the outlet valve is opened and the gas is discharged through the outlet pipe, which is convenient for ammonia spraying. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0019] Figure 2 It is an enlarged structural schematic diagram of the material storage box of the utility model;
[0020] Figure 3 This is a schematic diagram of the main cross-sectional structure of the ammonia spray tank body of the utility model;
[0021] Figure 4 It is an enlarged structural schematic diagram of the nozzle of the utility model.
[0022] In the figure: 1. outlet pipe; 2. outlet valve; 3. storage box; 4. ammonia spray tank body; 5. supporting legs; 6. inlet pipe; 7. inlet valve; 8. feed valve; 9. feed pipe; 10. connecting pipe; 11. fixing pipe; 12. nozzle; 13. liquid spray pipe; 14. filter; 15. fixing bolt; 16. connecting plate; 17. locking plate; 18. scraper; 19. inner plate; 20. outer plate. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Embodiment 1
[0025] See also Figures 1 to 4 The utility model provides an embodiment: an ammonia spraying assembly, comprising a storage box 3, an ammonia spraying tank body 4 and a nozzle 12, the inner wall of the nozzle 12 is movably connected with a connecting plate 16, and a filter screen 14 is embedded and fixed inside the connecting plate 16, the outer end surfaces on both sides of the connecting plate 16 are threadedly connected with locking plates 17, and the outer end surface of one side of the locking plate 17 is threadedly connected with a fixing bolt 15, the inner wall of the nozzle 12 is fixed with an outer plate 20, the outer end surface of one side of the outer plate 20 is movably connected with an inner plate 19, and a scraper 18 is fixed on the upper surface of the inner plate 19, and the scraper 18 is attached to the lower surface of the connecting plate 16, the storage box 3 is fixed to the outer end surface of one side of the ammonia spraying tank body 4, the outer end surface of one side of the storage box 3 is connected with a feed pipe 9, and the outer surface of the feed pipe 9 is threadedly connected with a feed valve 8, the outer end surface of one side of the storage box 3 is connected with a connecting pipe 10, and the connecting pipe 10 is connected with the fixed pipe 11.
[0026] Of course, as is well known to those skilled in the art, the connecting pipe 10, the nozzle 12 and the outer panel 20 of the utility model also need to be provided with a power device to enable them to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace, and they all belong to conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience.
[0027] Based on an ammonia spray assembly of Example 1, the outer plate 20 drives the inner plate 19 to move under the action of the power device, and the inner plate 19 drives the scraper 18 to move. The scraper 18 can scrape the filter 14 to prevent the filter 14 from being blocked. The fixing bolts 15 are loosened, the locking plate 17 is unscrewed, and the connecting plate 16 is removed to clean the filter 14. The filter 14 can be removed regularly to prevent the nozzle 12 from being blocked.
[0028] Embodiment 2
[0029] like Figure 1-Figure 4As shown, an ammonia spray assembly proposed by the utility model, compared with the first embodiment, this embodiment also includes a storage box 3, an ammonia spray tank body 4 and a nozzle 12, the upper surface of the ammonia spray tank body 4 is connected with an air outlet pipe 1, and the outer surface of the air outlet pipe 1 is threadedly connected with an air outlet valve 2, one side outer end surface of the ammonia spray tank body 4 is connected with an air inlet pipe 6, and the outer surface of the air inlet pipe 6 is threadedly connected with an air inlet valve 7, the lower surface of the ammonia spray tank body 4 is welded with a supporting leg 5, and the inner wall of the ammonia spray tank body 4 is fixed with a fixed pipe 11, the upper surface of the nozzle 12 is connected with a liquid spray pipe 13, and the liquid spray pipe 13 is connected to the fixed pipe 11.
[0030] In this embodiment, the feed valve 8 is opened, and the ammonia water is poured into the storage box 3 through the feed pipe 9, and the air intake valve 7 is opened, and the gas enters the ammonia spray tank body 4 through the air intake pipe 6. The connecting pipe 10 can send the ammonia water in the storage box 3 into the fixed pipe 11 under the action of the power device, and then the ammonia water is sprayed on the outer surface of the gas through the nozzle 12, which can denitrify the gas. After the gas is denitrified, the outlet valve 2 is opened and the gas is discharged through the outlet pipe 1 to facilitate ammonia spraying.
[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. An ammonia spray assembly, comprising a storage box (3), an ammonia spray tank body (4) and a spray head (12), characterized in that: A support leg (5) is welded to the lower surface of the ammonia spray tank body (4), and a fixed pipe (11) is fixed to the inner wall of the ammonia spray tank body (4). A connecting plate (16) is movably inserted into the inner wall of the spray head (12), and a filter screen (14) is embedded and fixed inside the connecting plate (16). An outer plate (20) is fixed to the inner wall of the spray head (12), and the storage box (3) is fixed to the outer end surface of one side of the ammonia spray tank body (4).
2. An ammonia injection assembly according to claim 1, characterized in that: The upper surface of the ammonia spray tank body (4) is connected to an air outlet pipe (1), and the outer surface of the air outlet pipe (1) is threadedly connected to an air outlet valve (2).
3. An ammonia injection assembly according to claim 1, characterized in that: An outer end surface of one side of the ammonia spray tank body (4) is connected to an air intake pipe (6), and an outer surface of the air intake pipe (6) is threadedly connected to an air intake valve (7).
4. An ammonia injection assembly according to claim 1, characterized in that: One side outer end surface of the material storage box (3) is connected to a feed pipe (9), and the outer surface of the feed pipe (9) is threadedly connected to a feed valve (8); one side outer end surface of the material storage box (3) is connected to a connecting pipe (10), and the connecting pipe (10) is connected to a fixed pipe (11).
5. The ammonia injection assembly according to claim 1, characterized in that: The upper surface of the spray head (12) is connected to a liquid spray pipe (13), and the liquid spray pipe (13) is connected to the fixed pipe (11).
6. An ammonia injection assembly according to claim 1, characterized in that: The outer end surfaces on both sides of the connecting plate (16) are both threadedly connected to locking plates (17), and the outer end surface on one side of the locking plate (17) is threadedly connected to a fixing bolt (15).
7. An ammonia injection assembly according to claim 1, characterized in that: The inner plate (19) is movably inserted into the outer end surface of one side of the outer plate (20), and a scraper (18) is fixed on the upper surface of the inner plate (19), and the scraper (18) is in contact with the lower surface of the connecting plate (16).
Citation Information
Patent Citations
Ammonia spraying desulfurization device
CN215782676U