Anti-reflux double-layer ammonia water spray gun

Abstract

The utility model discloses an anti-reflux double-layer ammonia water spray gun, which relates to the field of ammonia water spraying, solves the problem that an air compressor component is easy to damage due to reflux of mixed liquid in the conventional device, and adopts the following scheme that the spray gun comprises a liquid inlet end pipe and a sleeve communicated with the liquid inlet end pipe, and the outer end of the sleeve is fixedly connected with an end pipe; the outer end of the liquid inlet end pipe is fixedly connected with an air end head, the liquid inlet end pipe is communicated with an anti-reflux pipe through the air end head, and the liquid inlet end pipe is fixedly connected with the output end of an air compressor through the anti-reflux pipe and is communicated with the output end of the air compressor; the middle part of the liquid inlet end pipe is fixedly connected with an air end, and the liquid inlet end pipe is communicated with the ammonia water input pipeline through the air end; according to the anti-reflux double-layer ammonia water spray gun, by arranging the anti-reflux pipe, the reflux path of mixed liquid during reflux can be increased, the air compressor and a pipe body of the air compressor can be efficiently protected under the condition that the air pressure is smaller than the pressure of the mixed liquid, and the situation that the air compressor is damaged due to reflux of the mixed liquid is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ammonia water spraying technical field, concretely is a kind of anti-reflux double-layer ammonia water spray gun. BACKGROUND

[0002] In the production process of cement, a large amount of NOx, CO and other gases are generated. The spray gun is the main component of the intelligent denitrification valve group system for spraying ammonia water into the cement kiln. The spray area, spray flow and durability of this component play an extremely important role in the entire system.

[0003] In the prior art, ammonia water and compressed air enter the spray gun at the same time without isolation. When the pressure of the compressed air on site is lower than that of the ammonia water, the ammonia water will enter the compressed air circuit under the action of internal pressure. Ammonia water is highly corrosive. Once the ammonia water enters the compressed air circuit, it may cause damage to the internal components of the valve group, or even cause extensive damage to other components in the compressed air circuit, resulting in significant losses to the cement plant.

[0004] After searching, the application with patent application number 202323483140.2 discloses an anti-reflux double-layer ammonia water spray gun, which comprises: a middle sleeve, one end of the middle sleeve is provided with an ammonia water pipe joint connected with an ammonia water pipe; an outer sleeve is sleeved on the outer circumferential surface of the middle sleeve, a compressed air conveying channel is formed between the inner pipe surface of the outer sleeve and the outer pipe surface of the middle sleeve, one end of the compressed air conveying channel is closed, a compressed air pipe joint is provided on the outer sleeve and connected with the ammonia water pipe and the compressed air conveying channel; and a mixing chamber elbow, one end of the mixing chamber elbow is connected with one end of the outer sleeve away from the ammonia water pipe joint, and the other end is a spray end, a mixing chamber is formed in the mixing chamber elbow and connected with the middle sleeve and the compressed air conveying channel. The utility model avoids the occurrence of ammonia water reflux, improves the bending strength and improves the spraying effect.

[0005] The above-mentioned application file avoids the occurrence of ammonia water reflux by setting various components, but the structure is complex, the cost is high, the practicality is low, and the existing ammonia water spraying is straight-flow spraying, which has poor effect on spraying in the kiln and affects the spraying efficiency.

[0006] Therefore, we propose an anti-reflux double-layer ammonia water spray gun. UTILITY MODEL CONTENT

[0007] In view of the shortcomings of the prior art, the utility model provides an anti-reflux double-layer ammonia water spray gun, which solves the problem of mixing liquid reflux in the existing device, which may cause damage to the air compressor assembly.

[0008] To achieve the above object, the utility model discloses the following technical scheme to realize: a prevent backflow double -layer ammonia water spray gun, including liquid inlet end pipe and the sleeve pipe of intercommunication thereof, and the outer end fixed connection of sleeve pipe has end pipe,

[0009] The outer end fixed connection of liquid inlet end pipe has air end, and liquid inlet end pipe is communicated with the backflow prevention pipe through air end, and liquid inlet end pipe is fixedly connected in the output end pipe of air compressor and is communicated through backflow prevention pipe, and the main part of backflow prevention pipe is spiral pipe,

[0010] The middle part fixed connection of liquid inlet end pipe has air end, and liquid inlet end pipe is communicated with ammonia water input pipeline through air end.

[0011] As a preferred scheme of the utility model, the left end fixed mounting of backflow prevention pipe has exhaust end, and backflow prevention pipe is fixedly connected on air end through exhaust end, and the right end of backflow prevention pipe is fixedly connected on the output end pipe of air compressor through connecting end,

[0012] Among them, the setting of backflow prevention pipe shape can increase the reflux path of mixed liquid when refluxing, and then can avoid the situation that it enters air pipeline and then affects the quality of compressor.

[0013] As a preferred scheme of the utility model, the pipe diameter of sleeve pipe is two-thirds of the pipe diameter of liquid inlet end pipe and end pipe,

[0014] Among them, the setting of small sleeve pipe diameter can increase the pressure in the mixed liquid conveying process, and further increase the subsequent liquid spraying effect.

[0015] As a preferred scheme of the utility model, the outer end fixed mounting of end pipe has outer hopper plate, and the outer end of end pipe is equipped with inner hopper plate inside outer hopper plate, and the arc of inner hopper plate and outer hopper plate is same,

[0016] Among them, the setting of outer hopper plate and inner hopper plate can output mixed liquid by using the space between them, and guarantee liquid spraying effect.

[0017] As a preferred scheme of the utility model, the outer wall of inner hopper plate is fixedly installed with thirty groups of annular distribution arc pieces, and the arc piece is arranged between outer hopper plate and inner hopper plate and its top end is fixedly welded on the inner arc surface of outer hopper plate,

[0018] Among them, the setting of multiple arc pieces can make mixed liquid spray outward through the arc groove between them, and then increase the spraying effect on the inside of mud kiln.

[0019] As one preferred scheme of the utility model, the outer end of the end pipe is fixedly connected with two groups of connecting parts, the end pipe is fixedly connected with inner bucket plates through the connecting parts, and liquid tanks for outputting ammonia water air mixed liquid are arranged between adjacent connecting parts.

[0020] The arrangement of the liquid tank can ensure high-pressure output of the mixed liquid and further increase the spraying effect on the mud kiln.

[0021] The utility model provides a kind of anti-reflux double-layer ammonia water spray gun.It has the following beneficial effects:

[0022] 1, the anti-reflux double-layer ammonia water spray gun, the arrangement of anti-reflux pipe can increase the reflux path of mixed liquid when refluxing, can efficiently protect air compressor and its pipe body under the condition that air pressure is less than the pressure of mixed liquid, avoid the case that mixed liquid backflow leads to air compressor damage, solve the problem that existing device mixed liquid refluxes and then easily leads to air compressor assembly damage;

[0023] 2, the anti-reflux double-layer ammonia water spray gun, by the arrangement of the components of its output end pipe, each group of arc pieces and the arc groove therebetween can be used to throw mixed liquid stream outward in arc shape, to further increase the spraying effect on the inner side of mud kiln, solve the problem that existing device is difficult to efficiently spray mud kiln internal components according to demand. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structural schematic diagram of the utility model;

[0025] Figure 2 It is the structural schematic diagram of the utility model liquid inlet end pipe;

[0026] Figure 3 It is the structural schematic diagram of the utility model end pipe;

[0027] Figure 4 It is the structural schematic diagram of the utility model anti-reflux pipe.

[0028] In the drawing: 1, liquid inlet end pipe;11, ammonia water end;12, air end;2, sleeve;3, end pipe;31, outer bucket plate;32, inner bucket plate;33, connecting part;34, arc piece;35, liquid tank;4, anti-reflux pipe;41, exhaust end;42, connecting end. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0030] Please refer to Figures 1-4 The utility model embodiment provides a technical scheme: a kind of anti-reflux double-layer ammonia water spray gun, including liquid inlet end pipe 1 and its intercommunication sleeve pipe 2, and the outer end of sleeve pipe 2 is fixedly connected with end pipe 3;The outer end of liquid inlet end pipe 1 is fixedly connected with air end 12, liquid inlet end pipe 1 is connected with anti-reflux pipe 4 by air end 12, liquid inlet end pipe 1 is fixedly connected in air compressor output end intercommunication by anti-reflux pipe 4, and the main body of anti-reflux pipe 4 is spiral pipe;The middle part of liquid inlet end pipe 1 is fixedly connected with air end 12, and liquid inlet end pipe 1 is connected with ammonia water input pipeline by air end 12.

[0031] The left end of anti-reflux pipe 4 is fixedly installed with exhaust end 41, and anti-reflux pipe 4 is fixedly connected on air end 12 by exhaust end 41, and the right end of anti-reflux pipe 4 is fixedly connected on the output end pipe of air compressor by connecting end 42;Wherein, the shape of anti-reflux pipe 4 is set, can increase the reflux path of mixed liquid when refluxing, in turn can avoid its entering air pipeline and in turn affecting the quality of compressor occurs.

[0032] The pipe diameter of sleeve pipe 2 is two-thirds of the pipe diameter of liquid inlet end pipe 1 and end pipe 3;Wherein, the pipe diameter of sleeve pipe 2 is smaller, can increase the pressure in the process of mixed liquid delivery, further increase subsequent liquid spraying effect.

[0033] Wherein, the anti-reflux double-layer ammonia water spray gun, by the setting of anti-reflux pipe 4 can increase the reflux path of mixed liquid when refluxing, can efficiently protect air compressor and its pipe body under the condition that air pressure is less than the pressure of mixed liquid, avoid the case that air compressor is damaged due to mixed liquid refluxing, solve the problem that mixed liquid refluxing in prior art device in turn easily leads to air compressor assembly damage.

[0034] Embodiment 2:

[0035] The outer end of end pipe 3 is fixedly installed with outer hopper plate 31, and the outer end of end pipe 3 is assembled with inner hopper plate 32 located in the inner side of outer hopper plate 31, and the curvature of inner hopper plate 32 and outer hopper plate 31 is same;Wherein, the setting of outer hopper plate 31 and inner hopper plate 32 can output mixed liquid by the space between them, guarantee liquid spraying effect.

[0036] The outer wall of the inner hopper plate 32 is fixedly provided with thirty groups of annularly distributed arc pieces 34, the arc pieces 34 are arranged between the outer hopper plate 31 and the inner hopper plate 32 and the top ends of the arc pieces 34 are fixedly welded on the inner arc surface of the outer hopper plate 31, wherein the arrangement of the plurality of groups of arc pieces 34 can make the mixed liquid spray outwards through the arc grooves between the arc pieces 34, thereby increasing the spraying effect on the inside of the kiln.

[0037] The outer end of the end pipe 3 is fixedly connected with two groups of connecting portions 33, the end pipe 3 is fixedly connected with the inner hopper plate 32 through the connecting portions 33, and the liquid tank 35 for outputting the ammonia water and air mixed liquid is arranged between the adjacent connecting portions 33, wherein the arrangement of the liquid tank 35 can ensure that the mixed liquid is outputted outwardly at high pressure, thereby further increasing the spraying effect on the kiln.

[0038] The anti-reflux double-layer ammonia water spray gun can utilize the arc pieces 34 and the arc grooves between the arc pieces 34 to throw out the mixed liquid flow outwardly in an arc shape, thereby increasing the spraying effect on the inside of the kiln, and the problem that the existing device is difficult to efficiently spray the components inside the kiln according to the requirement is solved.

[0039] The working principle and use process of the device are as follows: when the device needs to work, the input end of the anti-reflux pipe 4 is fixedly connected to the output end of the air compressor, the ammonia water end head 11 is fixedly connected to the output end of the ammonia water conveying pipe, the air compressor is used to drive the mixed liquid to be outputted at high pressure, when reflux occurs, the anti-reflux pipe 4 is used to increase the reflux path, thereby avoiding the mixed liquid from flowing back to the air compressor and causing damage to the air compressor, and when the mixed liquid is outputted, the arrangement of the components of the end pipe 3 can throw out the mixed liquid flow outwardly in an arc shape, thereby increasing the spraying effect on the inside of the kiln.

[0040] The basic principle and main features of the device and the advantages of the device are shown and described above, for those skilled in the art, it is obvious that the device is not limited to the details of the above-mentioned exemplary embodiments, and the device can be realized in other specific forms without departing from the spirit or basic features of the device. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the device is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the device. Any reference signs in the claims should not be regarded as limiting the claims.

[0041] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. An anti-reflux double-layer ammonia water spray gun, characterized by comprising: Including liquid inlet pipe (1) and its connected sleeve (2), and the outer end of sleeve (2) is fixedly connected with end pipe (3); The outer end of the liquid inlet pipe (1) is fixedly connected with an air end (12), the liquid inlet pipe (1) is connected with the anti-backflow pipe (4) through the air end (12), the liquid inlet pipe (1) is fixedly connected with the air compressor output end through the anti-backflow pipe (4), and the main body of the anti-backflow pipe (4) is a spiral pipe. The middle part of the liquid inlet pipe (1) is fixedly connected with an air end (12), and the liquid inlet pipe (1) is connected with the ammonia water input pipeline through the air end (12).

2. The anti-reflux double-layer ammonia water spray gun according to claim 1, characterized in that: The left end of the anti-backflow pipe (4) is fixedly installed with an exhaust end (41), the anti-backflow pipe (4) is fixedly connected with the air end (12) through the exhaust end (41), and the right end of the anti-backflow pipe (4) is fixedly connected with the output end pipe of the air compressor through the connecting end (42).

3. The anti-reflux double-layer ammonia water spray gun according to claim 1, characterized in that: The pipe diameter of the sleeve (2) is two-thirds of the pipe diameter of the liquid inlet pipe (1) and the end pipe (3).

4. The anti-reflux double-layer ammonia lance according to claim 1, characterized in that: The outer end of the end pipe (3) is fixedly installed with an outer hopper plate (31), the outer end of the end pipe (3) is assembled with an inner hopper plate (32) located on the inner side of the outer hopper plate (31), and the curvature of the inner hopper plate (32) is the same as that of the outer hopper plate (31).

5. The anti-reflux double-layer ammonia lance according to claim 4, characterized in that: The outer wall of the inner hopper plate (32) is fixedly installed with thirty groups of annularly distributed arc pieces (34), the arc pieces (34) are arranged between the outer hopper plate (31) and the inner hopper plate (32) and the top ends of the arc pieces (34) are fixedly welded on the inner arc surface of the outer hopper plate (31).

6. The anti-reflux double-layer ammonia water spray gun according to claim 5, characterized in that: The outer end of the end pipe (3) is fixedly connected with two groups of connecting parts (33), the end pipe (3) is fixedly connected with the inner hopper plate (32) through the connecting parts (33), and a liquid tank (35) for outputting ammonia water and air mixed liquid is arranged between adjacent connecting parts (33).

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