Spray gun for granulator of amino acid system

Abstract

A spray gun for an amino acid system granulator relates to the technical field of spray devices and comprises a spray gun connecting pipe, a spray pipe is vertically adjusted at the lower end of the spray gun connecting pipe, a plurality of circles of spray ports are formed in the peripheral wall of the spray pipe from top to bottom, and the included angles between the axes of the plurality of circles of spray ports and the horizontal line are gradually decreased from top to bottom. And a valve head for sequentially opening and closing the plurality of circles of spraying ports from bottom to top is also arranged in the spraying pipe in a vertical sliding manner. The utility model solves the problems in the prior art that when the material spraying range is adjusted, a plurality of spraying nozzles with different angles are arranged on a spraying gun opening, so that the number of accessories is large, the operation complexity of operators is increased, and the phenomenon of missing of the accessories is easy to occur.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of injection device, concretely relates to the spray gun for ammonia acid system prilling machine. BACKGROUND

[0002] At present, domestic ammonia acid method compound fertilizer production, dilute sulfuric acid passes through pipeline, gravity flows into the prilling machine, or installs the nozzle, and the nozzle is vertically downward, the two methods, dilute sulfuric acid reaches the rubber plate in the prilling machine, and not the compound fertilizer bed, with the rotation of the prilling machine, dilute sulfuric acid moves backward and mixes with the compound fertilizer raw material for prilling. In the process, dilute sulfuric acid and the compound fertilizer raw material in the prilling machine are only in contact with the surface, with the continuous rotation of the prilling machine, the raw material advances a distance to the prilling machine outlet, and dilute sulfuric acid can mix uniformly with the compound fertilizer raw material, the method needs the compound fertilizer prilling machine length is longer, and dilute sulfuric acid is not mixed uniformly with the raw material, which is not conducive to the effective reaction of ammonia acid and the uniform prilling of the ball, and the consumption of dilute sulfuric acid is high.

[0003] The prior art discloses a patent with publication number CN106076196A, the spray assembly integrated with multiple nozzles is installed in the prilling machine through the mounting bracket, and the center line of each nozzle of the spray assembly and the vertical line of the center line of the prilling machine form an included angle of 30-60 degrees. According to the rotation direction of the prilling machine, the dilute sulfuric acid spray assembly installed in the prilling machine maintains a suitable spray angle and relative position, so that the dilute sulfuric acid is reasonably sprayed to the surface of the material bed of the prilling machine for auxiliary prilling. The present application has the advantages of simple structure, easy manufacturing and low investment.

[0004] The existing device gradually exposes the deficiencies of the technology with use, mainly in the following aspects:

[0005] Firstly, the existing spray gun port is equipped with multiple spray port nozzles of different angles when adjusting the material spraying range, which increases the number of accessories and increases the operation complexity of the operator, and the accessories are easy to be missed.

[0006] Secondly, the height of the existing spray gun port is fixed, and the height of the spray gun port cannot be adjusted according to the use scene.

[0007] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENTS

[0008] In view of the defects in the prior art, the utility model provides a spray gun for ammonia acid system prilling machine to solve the problem that the spray gun port in the traditional technology is equipped with multiple spray port nozzles of different angles when adjusting the material spraying range, which increases the number of accessories and increases the operation complexity of the operator, and the accessories are easy to be missed.

[0009] To achieve the above object, the utility model provides the following technical scheme:

[0010] The utility model provides a spray gun for amino acid system granulator, including spray gun connecting pipe, the lower end of spray gun connecting pipe is adjusted along vertical direction and has the spray pipe, the circumference wall of spray pipe is surrounded and is equipped with a plurality of circles of spray material port from top to bottom, the angle of the axis of a plurality of circles spray material port with horizontal line is set down from top to bottom in decreasing mode,

[0011] The valve head is further provided in the spray pipe along the vertical direction, and the valve head is connected to the spray material port.

[0012] As an optimized scheme, the lower end of the spray pipe is fixedly connected with a baffle, the baffle is vertically rotatably provided with a rotating shaft, the rotating shaft is provided with an external thread segment in the area above the baffle, and the lower end of the valve head is provided with a thread groove matched with the external thread segment.

[0013] As an optimized scheme, the opposite side walls of the spray pipe near the upper end are respectively horizontally screw-connected with locking knobs, and the ends of the locking knobs abut against the outer wall of the spray gun connecting pipe.

[0014] As an optimized scheme, the opposite outer walls of the spray gun connecting pipe are parallelly provided with a plurality of locking grooves from top to bottom, and the ends of the locking knobs abut against the locking grooves.

[0015] As an optimized scheme, the opposite inner walls of the spray pipe are respectively vertically provided with guide strips, and the opposite side walls of the valve head are provided with guide grooves matched with the guide strips.

[0016] As an optimized scheme, the lower end of the rotating shaft is fixedly connected with a rotating handle.

[0017] As an optimized scheme, the outer edge of the upper end of the valve head is surrounded by an annular material scraping edge.

[0018] As an optimized scheme, the upper end of the valve head is fixedly connected with a conical flow dividing protruding part.

[0019] As an optimized scheme, each circle of the spray material port is surrounded by a plurality of ones in the circumferential direction.

[0020] As an optimized scheme, the upper end of the spray gun connecting pipe is fixedly connected with a flange connecting disc.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] The spray gun connecting pipe is connected to the granulation system through the flange connecting disc, the spray pipe can slide up and down along the spray gun connecting pipe, the height of the spray material can be adjusted, the locking knob is tightened to realize positioning after adjustment, and the utility model is convenient and fast.

[0023] By setting the angle between the axis of the nozzle and the horizontal line of several rings of the nozzle in a decreasing manner from top to bottom, the spray range can be set in a decreasing manner from top to bottom. By rotating the shaft, the height of the valve head can be adjusted to close the nozzle. The height of the valve head can be adjusted according to the spray range, which overcomes the operation of traditional technology that requires multiple nozzles with different angles, and the operation is convenient and quick.

[0024] The conical diversion protrusion at the top of the valve head can guide the falling material to the outer spray nozzle;

[0025] By using the annular scraper blade at the top of the valve head to rub against the inner wall of the nozzle, the material adhering to the inner wall can be scraped off, ensuring the smooth flow of material from the nozzle. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0027] Figure 1 This is a schematic diagram of the structure of this utility model.

[0028] In the diagram: 1-Spray gun connecting pipe; 2-Spray pipe; 3-Spray nozzle; 4-Valve head; 5-Conical diverting protrusion; 6-Annular scraper blade; 7-Blocking plate; 8-Shaft; 9-Handle; 10-Threaded groove; 11-Guide bar; 12-Guide groove; 13-Locking knob; 14-Locking groove; 15-Flange connecting plate. Detailed Implementation

[0029] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0030] like Figure 1 As shown, the spray gun for the amino acid system granulator includes a spray gun connecting pipe 1. A spray pipe 2 is vertically adjustable at the lower end of the spray gun connecting pipe 1. Several rings of spray nozzles 3 are arranged around the periphery of the spray pipe 2 from top to bottom. The angles between the axes of the several rings of spray nozzles 3 and the horizontal line decrease from top to bottom.

[0031] The nozzle 2 is also equipped with a valve head 4 that slides vertically from bottom to top, which sequentially opens and closes several spray nozzles 3.

[0032] The lower end of the spray pipe 2 is fixedly connected with a baffle plate 7, the baffle plate 7 is vertically rotatably provided with a rotating shaft 8, the rotating shaft 8 is provided with an external thread segment in the area above the baffle plate 7, and the lower end of the valve head is provided with a threaded groove 10 matched with the external thread segment.

[0033] The opposite side walls of the spray pipe 2 close to the upper end are respectively horizontally and threadedly connected with locking knobs 13, and the ends of the locking knobs 13 abut against the outer wall of the spray gun connecting pipe 1.

[0034] The opposite outer walls of the spray gun connecting pipe 1 are provided with a plurality of locking grooves 14 from top to bottom, and the ends of the locking knobs 13 abut against the locking grooves 14.

[0035] The opposite inner walls of the spray pipe 2 are respectively vertically provided with guide strips 11, and the opposite side walls of the valve head are provided with guide grooves 12 matched with the guide strips 11.

[0036] The lower end of the rotating shaft 8 is fixedly connected with a rotating handle 9.

[0037] The outer edge of the upper end of the valve head 4 is surrounded by an annular scraping blade 6.

[0038] The upper end of the valve head 4 is fixedly connected with a conical flow dividing protruding part 5.

[0039] Each circle of the spray ports 3 is circumferentially surrounded by a plurality of.

[0040] The upper end of the spray gun connecting pipe 1 is fixedly connected with a flange connecting disc 15.

[0041] The working principle of the device is as follows:

[0042] The spray gun connecting pipe 1 is connected to the prilling system through the flange connecting disc 15, and the spray pipe 2 can slide up and down along the spray gun connecting pipe 1, so that the height of the spray material can be adjusted, and after adjustment, the locking knob 13 is tightened to realize positioning, which is convenient and fast.

[0043] By setting the included angle between the axis of the plurality of circles of the spray ports 3 of the spray pipe 2 and the horizontal line from top to bottom in a decreasing manner, the spray range from top to bottom can be set in an increasing manner, the height of the valve head 4 is adjusted by rotating the rotating shaft 8, the spray ports 3 are closed, the height of the valve head 4 is adjusted according to the spray range, the operation of the traditional technology of being provided with a plurality of spray heads with different angles is overcome, and the operation is convenient and fast.

[0044] The conical flow dividing protruding part 5 on the top of the valve head 4 can guide the falling material to the outer spray ports 3.

[0045] The annular scraping blade 6 on the top of the valve head 4 is in frictional contact with the inner wall of the spray pipe 2, which can scrape off the material adhering to the inner wall, and ensure the smoothness of the material sprayed from the spray ports 3.

[0046] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A spray gun for use in an amino acid system granulator, characterised in that: The utility model relates to a spraying gun connecting pipe (1) is provided with the spray pipe (2) along the vertical adjustment of the lower end of the spraying gun connecting pipe (1), the periphery wall of the spray pipe (2) is surrounded by a plurality of circles of spray material ports (3) from top to bottom, the angle of the axis of a plurality of circles of the spray material ports (3) with the horizontal line is arranged in decreasing from top to bottom, The valve head (4) is slidably arranged in the spray pipe (2) along the vertical direction, and the valve head (4) is sequentially connected to a plurality of circles of the spray material ports (3) from bottom to top.

2. The ammonia acid system prilling gun according to claim 1, characterized in that: The lower end of the spray pipe (2) is fixedly connected with a baffle plate (7), the baffle plate (7) is vertically rotatably provided with a rotating shaft (8), the rotating shaft (8) is provided with an external thread segment in the area above the baffle plate (7), and the lower end of the valve head is provided with a threaded groove (10) matched with the external thread segment.

3. The ammonia acid system prilling gun according to claim 2, characterized in that: The opposite side walls of the spray pipe (2) near the upper end are respectively horizontally and threadedly connected with locking knobs (13), and the distal ends of the locking knobs (13) abut against the outer wall of the spraying gun connecting pipe (1).

4. The ammonia acid system prilling gun according to claim 3, characterized in that: The opposite outer walls of the spraying gun connecting pipe (1) are provided with a plurality of locking grooves (14) from top to bottom, and the distal ends of the locking knobs (13) abut against the locking grooves (14).

5. The ammonia acid system prilling gun according to claim 4, characterized in that: The opposite inner walls of the spray pipe (2) are respectively vertically provided with guide strips (11), and the opposite side walls of the valve head are provided with guide grooves (12) matched with the guide strips (11).

6. The ammonia acid system prilling gun according to claim 5, characterized in that: The lower end of the rotating shaft (8) is fixedly connected with a rotating handle (9).

7. The ammonia acid system prilling gun according to claim 6, characterized in that: The outer edge of the upper end of the valve head (4) is surrounded by an annular material scraping blade (6).

8. The ammonia acid system prilling gun according to claim 7, characterized in that: The upper end of the valve head (4) is fixedly connected with a conical shunt convex part (5).

9. The ammonia acid system prilling gun according to claim 8, characterized in that: Each circle of the spray material ports (3) is surrounded by a plurality of circles in the circumferential direction.

10. The ammonia acid system prilling gun according to claim 9, characterized in that: The upper end of the spraying gun connecting pipe (1) is fixedly connected with a flange connecting disc (15).

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