Denitration spray gun convenient to replace and mount

Abstract

The utility model relates to the technical field of denitration spray guns and discloses a denitration spray gun convenient to replace and install, which comprises a spray gun body, one side of the spray gun body is provided with an installation plate, one end of the spray gun body close to the installation plate is fixedly connected with a compressed air interface, one side of the compressed air interface is connected with a denitration agent feed port, and the other side of the compressed air interface is connected with a denitration agent discharge port. One end, far away from the compressed air interface, of the spray gun body is connected with a connecting pipe, the connecting pipe is connected with a connecting device, and the interior of the connecting device is fixedly connected with a first spray head and a second spray head. The problems that an existing denitration spray gun generally adopts an integrated design, the connection mode between a spray gun body and a spray head is relatively fixed, enough flexibility and detachability are lacked, and when the spray head needs to be cleaned, replaced or maintained, a large amount of time and energy are often consumed for disassembly are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to denitration spray gun technical field, specifically point to a kind of denitration spray gun convenient to replace installation. BACKGROUND

[0002] Denitration spray gun, also known as SNCR spray gun, urea spray gun, ammonia spray gun, etc., is mainly used for reducing the emission of nitrogen oxides (NOx) in industrial processes. It injects reducing agent (such as ammonia or urea) into high-temperature flue gas, so that the reducing agent reacts with nitrogen oxides in the gas flow to form harmless nitrogen (N2) and water vapor, thereby significantly reducing NOx emission.

[0003] The existing denitration spray gun usually adopts integrated design, and the connection mode between the spray gun body and the spray head is relatively fixed, lacking sufficient flexibility and detachability. When the spray head needs to be cleaned, replaced or repaired, a lot of time and effort are often required for disassembly. SUMMARY

[0004] The utility model discloses a kind of denitration spray guns convenient to replace installation provided to solve the above problems, avoid the existing denitration spray gun usually adopts integrated design, and the connection mode between the spray gun body and the spray head is relatively fixed, lacking sufficient flexibility and detachability. When the spray head needs to be cleaned, replaced or repaired, a lot of time and effort are often required for disassembly.

[0005] To solve the above technical problems, the utility model provides a technical scheme: a kind of denitration spray gun convenient to replace installation, including spray gun body, the one side of spray gun body is provided with mounting plate, the one end of spray gun body close to mounting plate is fixedly connected with compressed air interface, the one side of compressed air interface is connected with denitration agent feed port, the one end of spray gun body away from compressed air interface is connected with connecting pipe, the connecting pipe is connected with connecting device, the inside of connecting device is fixedly connected with spray head one and spray head two, the one side close to spray head one and spray head two of the inside of connecting device is provided with sealing device;

[0006] The connecting device includes fixed blocks fixed on both sides of the connecting pipe, the fixed blocks are slidably connected with clamping blocks outside, the fixed blocks and the clamping blocks are both provided with threaded holes inside, the fixed blocks and the clamping blocks are fixedly connected through bolts, and the clamping blocks are fixedly connected with connecting boxes on one side.

[0007] As an improvement, the connecting box is provided with a cavity inside.

[0008] As an improvement, the sealing device includes two sleeves rotatably connected inside the connecting box, the sleeves are provided with screw rods inside, and the lower ends of the screw rods are fixed with sealing blocks.

[0009] As an improvement, the inside of the sleeve is provided with threads, and the sleeve is threadedly connected with the screw rod.

[0010] As an improvement, a limiting block is arranged on the upper portion of the sleeve.

[0011] As an improvement, the outside of one end of the spray gun body is provided with threads, the inside of the mounting plate is provided with a threaded hole, and the spray gun body is threadedly connected with the mounting plate.

[0012] Compared with the prior art, the advantages of the present application are that the spray gun body and the two spray heads are connected through the connecting device, and the spray gun body and other structures are fixedly connected through the mounting plate, avoiding the problem that the existing denitration spray gun usually adopts an integrated design, the connection mode between the spray gun body and the spray head is relatively fixed, and lacks sufficient flexibility and detachability, and when the spray head needs to be cleaned, replaced or repaired, a large amount of time and effort is often required for disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a schematic diagram of the overall structure of the present application.

[0014] Fig. 2 is a schematic diagram of part of the structure of the present application.

[0015] As shown in the drawings: 1, spray gun body; 2, mounting plate; 3, compressed air interface; 4, denitration agent feed port; 5, connecting pipe; 6, connecting device; 601, fixing block; 602, clamping plate; 603, connecting box; 7, spray head one; 8, spray head two; 9, sealing device; 901, sleeve; 902, screw rod; 903, sealing block. DETAILED DESCRIPTION

[0016] The present application will be further described in detail below with reference to the accompanying drawings.

[0017] In specific implementation, the present application is combined with Figs. 1-2 A denitration spray gun convenient to replace and install, comprising a spray gun body 1, the spray gun body 1 is provided with a mounting plate 2 on one side, the outside of one end of the spray gun body 1 is provided with threads, the inside of the mounting plate 2 is provided with a threaded hole, and the spray gun body 1 is threadedly connected with the mounting plate 2, which not only ensures the stability of the connection, but also facilitates manual disassembly and assembly without tools.

[0018] The spray gun body 1 is fixedly connected with a compressed air interface 3 at one end close to the mounting plate 2, the compressed air interface 3 is connected with a denitration agent feed port 4 on one side, ensuring that the denitration agent can smoothly enter the inside of the spray gun body 1, the spray gun body 1 is connected with a connecting pipe 5 at an end away from the compressed air interface 3, and the connecting pipe 5 is connected with a connecting device 6.

[0019] The connecting device 6 is internally fixedly connected with the spray head one 7 and the spray head two 8, is responsible for the denitration agent injection of different angles or regions respectively, and is internally provided with the sealing device 9 on the side close to the spray head one 7 and the spray head two 8.

[0020] In the implementation process of the utility model, the fastening effect of the bolt ensures the firm connection of the clamping block 602 and the fixed block 601, and facilitates the quick disassembly and assembly of the spray gun body 1, the spray head one 7 and the spray head two 8 according to the requirement.

[0021] The connecting device 6 is internally fixedly connected with the spray head one 7 and the spray head two 8, is responsible for the denitration agent injection of different angles or regions respectively, and is internally provided with the sealing device 9 on the side close to the spray head one 7 and the spray head two 8.

[0022] In the implementation process of the utility model, the fastening effect of the bolt ensures the firm connection of the clamping block 602 and the fixed block 601, and facilitates the quick disassembly and assembly of the spray gun body 1, the spray head one 7 and the spray head two 8 according to the requirement.

[0023] The above has described the utility model and its implementation mode, and this description is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited to this. In summary, if the ordinary skilled in the art is inspired, without departing from the utility model creation purpose, without creative design, the similar structure mode and the embodiment of the technical scheme, all should belong to the protection scope of the utility model.

Claims

1. A replaceably mounted denitration lance for facilitating replacement, characterized by: The utility model provides a kind of spray gun, including spray gun body (1), the spray gun body (1) is provided with mounting plate (2) on one side, the spray gun body (1) is fixedly connected with compressed air interface (3) close to mounting plate (2) one end, compressed air interface (3) one side is connected with denitration agent feed port (4), the spray gun body (1) is connected with connecting pipe (5) away from compressed air interface (3) one end, the connecting pipe (5) is connected with connecting device (6), the connecting device (6) is fixedly connected with spray head one (7) and spray head two (8) inside, the connecting device (6) is provided with sealing device (9) inside close to spray head one (7) and spray head two (8) one side; The connecting device (6) includes fixed blocks (601) fixed on both sides of the connecting pipe (5), the fixed blocks (601) are slidably connected with clamping blocks (602), the fixed blocks (601) and the clamping blocks (602) are both provided with threaded holes inside, the fixed blocks (601) and the clamping blocks (602) are fixedly connected by bolts, the clamping blocks (602) are fixedly connected with connecting boxes (603) on one side.

2. The replaceable installation-facilitating denitration lance according to claim 1, characterized in that: The connecting box (603) is provided with a cavity inside.

3. The replaceable installation facilitated denitration lance according to claim 1, characterized in that: The sealing device (9) includes two sleeves (901) rotatably connected inside the connecting box (603), the sleeves (901) are provided with screw rods (902) inside, and the screw rods (902) are fixedly connected with sealing blocks (903) at lower ends.

4. The replaceable installed denitration lance according to claim 3, characterized in that: The inside of the sleeve (901) is provided with threads, and the sleeve (901) is threadedly connected with the screw rod (902).

5. The replaceable mounted denitration lance according to claim 3, characterized in that: The sleeve (901) is provided with a limiting block on the upper portion.

6. The replaceable mounted denitration lance according to claim 1, characterized in that: The outside of one end of the spray gun body (1) is provided with threads, the inside of the mounting plate (2) is provided with a threaded hole, and the spray gun body (1) is threadedly connected with the mounting plate (2).

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