High-efficiency spray gun for PNCR medicament

Abstract

The utility model discloses a high-efficiency spray gun for a PNCR medicament, and relates to a spray gun. The high-efficiency spray gun for the PNCR medicament belongs to the technical field of ejection devices, and comprises a cooling medium inlet pipe, the pesticide spraying assembly with the anti-blocking effect is arranged at the upper end of the cooling medium inlet pipe and comprises a cooling medium protection sleeve and a first PNCR material conveying pipe, the cooling medium protection sleeve is communicated with the cooling medium inlet pipe, an output port of the first PNCR material conveying pipe is of a Venturi structure, and the output port of the first PNCR material conveying pipe is communicated with the cooling medium inlet pipe. The first PNCR material conveying pipe is wrapped in the cooling medium protection sleeve and is of an interlayer type structure, the first PNCR material conveying pipe in the pesticide spraying assembly is of a Venturi structure, the flow speed of a pesticide inlet is increased through a nozzle in the form, the probability of pipe blocking is reduced, the diffusion angle of a pesticide can be enlarged through a nozzle outlet, and the pesticide spraying effect is improved. Therefore, the contact area of the medicament in the boiler hearth is increased, and the reaction efficiency of the medicament is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spray guns and ejection devices, in particular to a high-efficiency spray gun for PNCR agents. Background Art

[0002] Garbage burning easily produces a variety of harmful gases, which often need to be treated before being discharged into the atmosphere. When treating garbage incineration gas, especially desulfurization, a polymer denitrification spray gun is often used for spraying desulfurization. The existing polymer denitrification spray gun has a straight nozzle, a small spraying area, and the spray nozzle is prone to clogging. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a high-efficiency spray gun for PNCR agent, which can solve the problems that the existing polymer denitrification spray gun has a straight nozzle, a small spraying area and is prone to clogging.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency spray gun for PNCR agents, comprising a cooling medium inlet pipe;

[0005] A spraying component with anti-clogging effect is arranged at the upper end of the cooling medium inlet pipe. The spraying component includes a cooling medium protection sleeve and a first PNCR material conveying pipe. The cooling medium protection sleeve is connected to the cooling medium inlet pipe. The output port of the first PNCR material conveying pipe adopts a Venturi structure. The first PNCR material conveying pipe is wrapped inside the cooling medium protection sleeve and adopts a sandwich structure.

[0006] Preferably, a spray pipe shell is adhered to the surface of the cooling medium inlet pipe, and the surface of the spray pipe shell is designed with external threads.

[0007] Preferably, a spray head is threadedly connected to the surface of the external thread.

[0008] Preferably, a polymer denitrification spray gun connection base is welded on the surface of the spray pipe shell, a sleeve is fixedly installed on the surface of the polymer denitrification spray gun connection base, and a plurality of first installation holes are opened on the surface of the polymer denitrification spray gun connection base.

[0009] Preferably, a second PNCR material conveying pipe is welded on the surface of the spray pipe shell, and the second PNCR material conveying pipe is connected to the first PNCR material conveying pipe.

[0010] Preferably, a second mounting base is welded to the outside of the second PNCR material conveying pipe, and a plurality of third mounting holes are formed on the surface of the second mounting base.

[0011] Preferably, a first mounting base is welded on the surface of the cooling medium inlet pipe, and a plurality of second mounting holes are opened on the surface of the first mounting base.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The high-efficiency spray gun for PNCR agent has a venturi structure for the first PNCR material conveying pipe in the spray assembly. The nozzle of this type is used to increase the flow rate at the agent inlet and reduce the probability of pipe blockage. The nozzle outlet can expand the diffusion angle of the agent and increase the contact area of ​​the agent inside the boiler furnace, thereby improving the reaction efficiency of the agent. At the same time, it can also effectively prevent the material from melting in advance before being conveyed to the reaction zone, thereby reducing the risk of spray gun blockage and the frequency of maintenance.

[0014] (2) The high-efficiency spray gun for PNCR agent adopts a connection method of a sandwich cooling medium protection sleeve and a first PNCR material conveying pipe, so that the entire spray gun structure becomes simple and easy to disassemble and install. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection relationship between the second PNCR material conveying pipe and the first PNCR material conveying pipe of the utility model;

[0018] Figure 3 This is a schematic diagram of the position relationship between the spray pipe shell and the external thread of the utility model.

[0019] Figure numerals: 1. spray head; 2. spray pipe shell; 3. first mounting hole; 4. second mounting hole; 5. first mounting base; 6. cooling medium inlet pipe; 7. second mounting base; 8. third mounting hole; 9. second PNCR material conveying pipe; 10. casing; 11. polymer denitrification spray gun connection base; 12. first PNCR material conveying pipe; 13. external thread; 14. cooling medium protection cover. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0024] See also Figure 1-3 , the utility model provides a technical solution: a high-efficiency spray gun for PNCR agents, including a cooling medium inlet pipe 6;

[0025] A spraying assembly with anti-clogging effect is arranged at the upper end of the cooling medium inlet pipe 6, and the spraying assembly includes a cooling medium protection sleeve 14 and a first PNCR material conveying pipe 12. The cooling medium protection sleeve 14 is connected to the cooling medium inlet pipe 6. The output port of the first PNCR material conveying pipe 12 adopts a Venturi structure. The first PNCR material conveying pipe 12 is wrapped inside the cooling medium protection sleeve 14 and adopts a sandwich structure.

[0026] The surface of the cooling medium inlet pipe 6 is adhered with a spray pipe shell 2 , and the surface of the spray pipe shell 2 is designed with an external thread 13 .

[0027] The surface of the external thread 13 is threadedly connected with the spray head 1 .

[0028] A polymer denitrification spray gun connection base 11 is welded on the surface of the spray pipe shell 2, a sleeve 10 is fixedly installed on the surface of the polymer denitrification spray gun connection base 11, and a plurality of first installation holes 3 are opened on the surface of the polymer denitrification spray gun connection base 11.

[0029] A second PNCR material conveying pipe 9 is welded on the surface of the spraying pipe housing 2 , and the second PNCR material conveying pipe 9 is connected to the first PNCR material conveying pipe 12 .

[0030] A second mounting base 7 is welded to the outside of the second PNCR material conveying pipe 9 , and a plurality of third mounting holes 8 are formed on the surface of the second mounting base 7 .

[0031] A first mounting base 5 is welded to the surface of the cooling medium inlet pipe 6 , and a plurality of second mounting holes 4 are opened on the surface of the first mounting base 5 .

[0032] When it is necessary to desulfurize the waste incineration material, first, the PNCR agent is injected into the interior of the first PNCR material conveying pipe 12 through the second PNCR material conveying pipe 9, and finally sprayed out of the interior of the first PNCR material conveying pipe 12 through the Venturi structure at the front end of the first PNCR material conveying pipe 12. At the same time, the cooling gas is injected into the interlayer between the first PNCR material conveying pipe 12 and the cooling medium protection sleeve 14 through the cooling medium inlet pipe 6.

[0033] It should be noted that the first PNCR material conveying pipe 12 and the cooling medium protection jacket 14 are both made of high temperature resistant material (310S).

[0034] By setting the first PNCR material conveying pipe 12 in the spray assembly to a Venturi structure, this type of nozzle is used to increase the flow rate of the reagent inlet and reduce the probability of pipe blockage. The nozzle outlet can expand the diffusion angle of the reagent and increase the contact area of ​​the reagent inside the boiler furnace, thereby improving the reaction efficiency of the reagent. At the same time, it can also effectively prevent the material from melting prematurely before being transported to the reaction zone, reduce the risk of spray gun blockage, and reduce the frequency of maintenance.

[0035] The sandwich type cooling medium protection sleeve 14 and the first PNCR material conveying pipe 12 are connected so that the entire spray gun structure becomes simple and easy to disassemble and install.

[0036] Working principle:

[0037] When the waste incineration material needs to be desulfurized, first, the PNCR agent is injected into the interior of the first PNCR material conveying pipe 12 through the second PNCR material conveying pipe 9, and finally sprayed out of the interior of the first PNCR material conveying pipe 12 through the Venturi structure at the front end of the first PNCR material conveying pipe 12.

[0038] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A high-efficiency spray gun for PNCR agents, characterized in that: include: A cooling medium inlet pipe (6); A spraying component with an anti-clogging effect is arranged at the upper end of a cooling medium inlet pipe (6), the spraying component comprising a cooling medium protection sleeve (14) and a first PNCR material conveying pipe (12), the cooling medium protection sleeve (14) being connected to the cooling medium inlet pipe (6), the output port of the first PNCR material conveying pipe (12) adopting a Venturi structure, and the first PNCR material conveying pipe (12) being wrapped inside the cooling medium protection sleeve (14) and adopting a sandwich structure.

2. A high-efficiency spray gun for PNCR agent according to claim 1, characterized in that: The surface of the cooling medium inlet pipe (6) is adhered to a spray pipe shell (2), and the surface of the spray pipe shell (2) is designed with an external thread (13).

3. A high-efficiency spray gun for PNCR agent according to claim 2, characterized in that: The surface of the external thread (13) is threadedly connected with a spray head (1).

4. The high-efficiency spray gun for PNCR agent according to claim 2, characterized in that: A polymer denitration spray gun connection base (11) is welded to the surface of the spray pipe shell (2), a sleeve (10) is fixedly mounted on the surface of the polymer denitration spray gun connection base (11), and a plurality of first mounting holes (3) are provided on the surface of the polymer denitration spray gun connection base (11).

5. The high-efficiency spray gun for PNCR agent according to claim 2, characterized in that: A second PNCR material conveying pipe (9) is welded on the surface of the spraying pipe shell (2), and the second PNCR material conveying pipe (9) is connected to the first PNCR material conveying pipe (12).

6. A high-efficiency spray gun for PNCR agents according to claim 5, characterized in that: A second mounting base (7) is welded to the outside of the second PNCR material conveying pipe (9), and a plurality of third mounting holes (8) are provided on the surface of the second mounting base (7).

7. A high-efficiency spray gun for PNCR agents according to claim 1, characterized in that: A first mounting base (5) is welded on the surface of the cooling medium inlet pipe (6), and a plurality of second mounting holes (4) are opened on the surface of the first mounting base (5).

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