Mixed type waste acid spray gun

Abstract

The utility model discloses a mixed type waste acid spray gun which comprises a spray gun cover, a waste acid pipeline is arranged in the spray gun cover, an annular conveying pipe is arranged on the outer side of the waste acid pipeline in the spray gun cover, the annular conveying pipe is communicated with a plurality of groups of atomized air conveying pipes, and the atomized air conveying pipes and the waste acid pipeline are connected with a spray nozzle. The nozzle comprises a mixer, the mixer is arranged at the rear end of a mixing cavity, the mixing cavity is connected with an atomized air conveying pipe and a waste acid pipeline, a spray head is arranged at the front end of the mixer, and a center spray hole is formed in the front end of the spray head. According to the mixed type waste acid spray gun, in order to solve the problem that an existing waste acid spray gun is poor in waste acid and atomized air mixing effect, a waste acid pipeline is arranged in a spray gun cover, an annular conveying pipe is arranged at the position, located on the outer side of the waste acid pipeline, in the spray gun cover, and the annular conveying pipe communicates with a plurality of sets of atomized air conveying pipes; and the atomized air conveying pipe and the waste acid pipeline are connected with the nozzle.

Description

Technical Field

[0001] The utility model relates to the technical field of waste acid spray guns, in particular to a hybrid waste acid spray gun. Background Technique

[0002] Refineries use the thermal cracking method to treat waste sulfuric acid. At present, the main equipment for treating waste sulfuric acid is an alkylation waste sulfuric acid cracking furnace built on the basis of the thermal cracking method. This technology has a simple process, is easy to operate, has a large capacity for treating waste sulfuric acid, and does not produce secondary pollution. The waste acid spray gun is an important piece of equipment in the waste sulfuric acid recovery device.

[0003] After retrieval, it is found that in the prior art, such as the diversion silicon carbide composite waste acid spray gun with the publication number CN111322624A, which includes a drainage pipe, a waste acid inlet flange, and a waste acid nozzle. Its characteristics are: the drainage pipe is made of Alloy20 material, the rear part of the drainage pipe is fixedly connected to the furnace head of the waste acid cracking furnace through a mounting flange, the outer part of the front end to the middle of the drainage pipe is provided with a silicon carbide sleeve, corresponding long holes are opened up and down along the length direction in the middle of the silicon carbide sleeve, support rib plates A are arranged in the long holes, corresponding long holes are arranged front and back along the length direction at the rear part of the silicon carbide sleeve, support rib plates B are arranged in the long holes, support plates fixed to the drainage pipe are respectively arranged at the outer parts of both ends of the silicon carbide sleeve, and the waste acid nozzle is fixedly connected to the drainage pipe through a transition short section; the invention has a simple structure, good atomization effect, and good corrosion resistance effect, effectively prolonging the service life of the waste acid spray gun.

[0004] To sum up, the existing waste acid spray gun effectively prolongs the service life of the waste acid spray gun, but the mixing effect of waste acid and atomized air in the existing waste acid spray gun is poor. Therefore, a hybrid waste acid spray gun is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hybrid waste acid spray gun to solve the problem of poor mixing effect of waste acid and atomized air in the existing waste acid spray gun proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a hybrid waste acid spray gun, including a spray gun cover. A waste acid pipeline is arranged inside the spray gun cover, and an annular conveying pipe is arranged outside the waste acid pipeline inside the spray gun cover. The annular conveying pipe is communicated with a plurality of groups of atomized air conveying pipes, and the atomized air conveying pipes and the waste acid pipeline are connected to a nozzle. The nozzle includes a mixer. The mixer is arranged at the rear end of the mixing chamber, and the mixing chamber is connected to the atomized air conveying pipes and the waste acid pipeline. A spray head is arranged at the front end of the mixer, and a central spray hole is installed at the front end of the spray head.

[0007] Preferably, one end of the waste acid pipeline penetrates to the outside of the spray gun cover and is connected to an external waste acid conveying pipeline.

[0008] Through the above technical solution, it is convenient to access the waste acid.

[0009] Preferably, connection plates are provided on the outer sides of the waste acid pipeline and the external waste acid conveying pipeline, and the connection plates are connected by a plurality of groups of bolts.

[0010] Through the above technical solution, it is convenient to connect the pipelines.

[0011] Preferably, an insertion groove for cooperating with the external waste acid conveying pipeline is provided inside the waste acid pipeline.

[0012] Through the above technical solution, it is convenient to improve the sealing performance at the connection.

[0013] Preferably, the annular conveying pipe is connected to the external atomizing air conveying pipeline provided on the outer side of the spray gun cover.

[0014] Through the above technical solution, it is convenient to access the atomizing air.

[0015] Preferably, a feed port for cooperating with the atomizing air conveying pipe and the waste acid pipeline is provided on the mixing chamber.

[0016] Through the above technical solution, it is convenient for the material to enter the mixing chamber.

[0017] Compared with the prior art, the beneficial effect of the present utility model is as follows: for this hybrid waste acid spray gun, in order to solve the problem of poor mixing effect of waste acid and atomizing air in the existing waste acid spray gun, a waste acid pipeline is provided inside the spray gun cover, and an annular conveying pipe is provided on the outer side of the waste acid pipeline inside the spray gun cover. The annular conveying pipe is communicated with a plurality of groups of atomizing air conveying pipes, and the atomizing air conveying pipes and the waste acid pipeline are connected to the nozzle. The nozzle includes a mixer, the mixer is arranged at the rear end of the mixing chamber, and the mixing chamber is connected to the air conveying pipe and the waste acid pipeline. A spray head is arranged at the front end of the mixer, and a central spray hole is installed at the front end of the spray head. By providing a plurality of groups of atomizing air conveying pipes, the atomizing air conveying pipes can spray from multiple positions, so that the atomizing air and the waste acid are mixed more fully in the mixing chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic front sectional structure view of the whole of the present utility model;

[0019] Figure 2 For the present utility model Figure 1 The enlarged structure view at A in;

[0020] Figure 3 It is a schematic connection relationship view of the annular conveying pipe of the present utility model;

[0021] Figure 4 For the present utility modelFigure 1 Schematic diagram of the enlarged structure at position B in the middle.

[0022] In the figure: 1. Spray gun cover; 2. Waste acid pipeline; 201. Insertion groove; 3. Annular conveying pipe; 301. Atomized air conveying pipe; 4. Nozzle; 401. Mixer; 402. Mixing chamber; 4021. Feed port; 403. Sprayer head; 404. Central spray hole; 5. External waste acid conveying pipeline; 6. Connection plate; 7. External atomized air conveying pipeline. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-4 , the present invention provides a technical solution: a hybrid waste acid spray gun, in which a waste acid pipeline 2 is arranged inside the spray gun cover 1, and an annular conveying pipe 3 is arranged outside the waste acid pipeline 2 inside the spray gun cover 1.

[0025] Specifically, the annular conveying pipe 3 is communicated with a plurality of groups of atomized air conveying pipes 301, and the atomized air conveying pipe 301 and the waste acid pipeline 2 are connected to the nozzle 4. The nozzle 4 includes a mixer 401. The mixer 401 is arranged at the rear end of the mixing chamber 402, and the mixing chamber 402 is connected to the atomized air conveying pipe 301 and the waste acid pipeline 2. A sprayer head 403 is arranged at the front end of the mixer 401, and a central spray hole 404 is installed at the front end of the sprayer head 403.

[0026] Specifically, one end of the waste acid pipeline 2 penetrates to the outside of the spray gun cover 1 and is connected to the external waste acid conveying pipeline 5.

[0027] In a further embodiment, connection plates 6 are arranged on the outside of the waste acid pipeline 2 and the outside of the external waste acid conveying pipeline 5, and the connection plates 6 are connected by a plurality of groups of bolts.

[0028] In a further embodiment, an insertion groove 201 for cooperating with the external waste acid conveying pipeline 5 is arranged inside the waste acid pipeline 2. A waste acid outlet is opened at one end of the insertion groove 201. By arranging the insertion groove 201, the sealing performance at the connection between the external waste acid conveying pipeline 5 and the waste acid pipeline 2 can be improved.

[0029] Specifically, the annular conveying pipe 3 is connected to the external atomized air conveying pipeline 7 arranged outside the spray gun cover 1.

[0030] In a further embodiment, a feed port 4021 is provided on the mixing chamber 402 for use in conjunction with the atomizing air delivery pipe 301 and the waste acid pipe 2.

[0031] In use, by providing a plurality of sets of atomizing air delivery pipes 301, the atomizing air delivery pipes 301 can eject from multiple positions, so that the atomizing air and the waste acid are more fully mixed in the mixing chamber 402, and the mixer 401 can further mix them, and then atomize and eject them through the central spray hole 404 provided at the front end of the spray head 403.

[0032] The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only a simplified description for facilitating the description of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation on the protection scope of the present invention.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A mixed type waste acid spray gun, comprising a spray gun cover (1), characterized in that: A waste acid pipeline (2) is arranged inside the spray gun cover (1), and an annular conveying pipe (3) is arranged inside the spray gun cover (1) outside the waste acid pipeline (2), the annular conveying pipe (3) is connected to a plurality of groups of atomizing air conveying pipes (301), and the atomizing air conveying pipes (301) and the waste acid pipeline (2) are connected to a nozzle (4), the nozzle (4) comprises a mixer (401), the mixer (401) is arranged at the rear end of a mixing chamber (402), and the mixing chamber (402) is connected to the atomizing air conveying pipe (301) and the waste acid pipeline (2), a nozzle (403) is arranged at the front end of the mixer (401), and a central spray hole (404) is installed at the front end of the nozzle (403).

2. A mixed type waste acid spray gun according to claim 1, characterized in that: One end of the waste acid pipeline (2) passes through the outside of the spray gun cover (1) and is connected to an external waste acid delivery pipeline (5).

3. A mixed type waste acid spray gun according to claim 1, characterized in that: The outside of the waste acid pipeline (2) and the outside of the external waste acid delivery pipeline (5) are both provided with connection plates (6), and the connection plates (6) are connected by a plurality of groups of bolts.

4. A mixed type waste acid spray gun according to claim 1, characterized in that: The waste acid pipeline (2) is provided with an insertion groove (201) inside for use with an external waste acid delivery pipeline (5).

5. A mixed type waste acid spray gun according to claim 1, characterized in that: The annular delivery pipe (3) is connected to an external atomizing air delivery pipeline (7) arranged outside the spray gun cover (1).

6. A mixed type waste acid spray gun according to claim 1, characterized in that: The mixing chamber (402) is provided with a feed port (4021) for use with the atomizing air delivery pipe (301) and the waste acid pipeline (2).

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