Spray drying spray gun

Abstract

The utility model relates to the technical field of spray drying spray guns, in particular to a spray drying spray gun which comprises a spray gun rod, a feeding valve is arranged in the feeding end of the spray gun rod, the discharging end of the spray gun rod is connected with a nozzle, the feeding end of the spray gun rod is communicated with a communicating pipe, and the communicating pipe is communicated with a first opening of a second three-way pipe. A first high-pressure valve is arranged in a second opening of the second three-way pipe, a third opening of the second three-way pipe is communicated with an emptying pipe, and a second high-pressure valve is arranged in the emptying pipe; and a flow monitoring meter is arranged at a first opening of the second three-way pipe. The flow of the spray gun can be monitored, and when the spray gun rod is blocked or the spraying effect is not ideal, data monitored by the flow monitoring meter are abnormal, so that a worker can visually find and take measures in time to prevent the spray gun rod from being burnt down.

Description

TECHNICAL FIELD

[0001] The utility model relates to spray drying spray gun technical field, concretely relates to a spray drying spray gun. BACKGROUND

[0002] Spray drying spray gun is a kind of equipment playing a key role in spray drying process.The core function of spray drying spray gun is its precise atomization technology, which can disperse high-viscosity, high-concentration liquid materials into millions of tiny droplets by high pressure or centrifugal force, etc.In the blowing of hot air, these tiny droplets evaporate water quickly, realize rapid drying, and finally form ideal powder or granular product.This process not only greatly improves production efficiency, but also effectively preserves the nutrients and active ingredients of the material, suitable for food, medicine, chemical industry, environmental protection and other fields.

[0003] In actual production application process, the performance of spray drying spray gun has a crucial influence on the quality and yield of the final product.A high-quality spray drying spray gun can produce uniform and small droplets by virtue of its excellent design and exquisite process, so as to ensure the uniformity and efficiency of the material in the drying process, and provide strong guarantee for producing high-quality products.

[0004] However, it is worth noting that although the existing spray drying spray gun has made remarkable achievements in atomization effect and drying efficiency, they generally have a common deficiency, that is, the existing spray gun is not equipped with independent flow monitoring mechanism, and if the spray gun is blocked, it cannot be quickly and accurately judged, and long time causes the spray gun to burn, which aggravates the production risk and maintenance cost. UTILITY MODEL CONTENTS

[0005] To solve the technical problem that the existing spray gun is not equipped with independent flow monitoring mechanism, and if the spray gun is blocked, it cannot be quickly and accurately judged, and long time causes the spray gun to burn, which aggravates the production risk and maintenance cost, the utility model provides a spray drying spray gun.

[0006] To achieve the above purpose, the utility model adopts the technical scheme that:

[0007] A spray drying spray gun, comprising a spray gun rod, a feed valve is arranged in the feed end of the spray gun rod, the discharge end of the spray gun rod is connected with a nozzle, the feed end of the spray gun rod is communicated with a communication pipe, the communication pipe is communicated with the first opening of a second three-way pipe, the second high-pressure valve is arranged in the second opening of the second three-way pipe, the third opening of the second three-way pipe is communicated with a venting pipe, and the second high-pressure valve is arranged in the venting pipe;Flow monitoring meter is arranged at the first opening of the second three-way pipe.

[0008] With the above structural scheme, the application can monitor the flow of the spray gun. When the spray gun rod is blocked or the spraying effect is not ideal, the data monitored by the flow monitoring meter is abnormal, and the staff can intuitively find out and take timely measures to avoid the spray gun rod from being burned out.

[0009] As a preferred implementation of the spray drying spray gun, the spray gun rod has two, which are the first spray gun rod and the second spray gun rod, and the two spray gun rods are parallel, the connecting pipe is the first three-way pipe, the feed ends of the two spray gun rods are communicated with two openings of the first three-way pipe respectively, and the third opening of the first three-way pipe is communicated with the first opening of the second three-way pipe.

[0010] With the above structural scheme, the application can monitor the flow of the spray gun. When the spray gun rod is blocked or the spraying effect is not ideal, the data monitored by the flow monitoring meter is abnormal, and the staff can intuitively find out and take timely measures to avoid the spray gun rod from being burned out.

[0011] As a preferred implementation of the spray drying spray gun, the spray nozzle comprises a spray gun tip, the end of the spray gun tip away from the spray gun rod is threadedly connected with a spray gun pressure cap, the end of the spray gun pressure cap away from the spray gun tip is provided with a circular opening, the inside of the spray gun pressure cap is a cavity, and the spray gun pressure cap is sequentially provided with a high-pressure rotating body and an aluminum gasket in the axial direction of the spray gun rod from the spray gun tip.

[0012] With the above structural scheme, the spray gun pressure cap and the spray gun tip at the end of the spray gun rod are connected, and the spray nozzle is installed.

[0013] As a preferred implementation of the spray drying spray gun, the first spray gun rod and the second spray gun rod are connected with a branch pipe seat, and the branch pipe seat is provided with a plug hole for the first spray gun rod and the second spray gun rod to pass through.

[0014] With the above structural scheme, the branch pipe seat can be used to connect the two spray gun rods, improve the stability of the spray gun, and the branch pipe seat can be used to carry the spray gun at the circular hole of the drying tower. The part below the branch pipe seat can be inserted into the inside of the drying tower, and the part above the branch pipe seat is exposed outside.

[0015] As a preferred implementation of the spray drying spray gun, the connecting pipe and the first opening of the second three-way pipe are communicated through a high-pressure pipe, and the connecting pipe and the high-pressure pipe and the second three-way pipe and the high-pressure pipe are connected through quick connectors.

[0016] With the above structural scheme, it is convenient to quickly install and replace.

[0017] As a preferred implementation of the spray drying spray gun, the outside of the quick connector between the second tee and the high-pressure pipe is provided with a quick connector protection box.

[0018] With the above structure, the quick connector protection box can protect the quick connector.

[0019] As a preferred implementation of the spray drying spray gun, the feed valve is a ball valve.

[0020] As a preferred implementation of the spray drying spray gun, the first high-pressure valve and / or the second high-pressure valve is a forged high-pressure ball valve.

[0021] As a preferred implementation of the spray drying spray gun, the first spray gun rod and the second spray gun rod have the same structure size, the front and rear ends are aligned, the feed end is located at the same end, and the distance between the branch pipe seat and the feed end of the first spray gun rod accounts for 1 / 3 of the total length of the first spray gun rod.

[0022] As a preferred implementation of the spray drying spray gun, the flow monitoring meter is a delta bar flow meter.

[0023] The beneficial effects of the present application include:

[0024] The present application can monitor the flow of the spray gun. When the spray gun rod is blocked or the spray effect is not ideal, the data monitored by the flow monitoring meter is abnormal, and the staff can intuitively find out and take timely measures to avoid the spray gun rod from being burned out. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings used in the description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] Figure 1 It is a schematic diagram of the overall structure of a spray drying spray gun in Example 1.

[0027] Figure 2 It is a schematic diagram of the overall structure of a spray drying spray gun in Example 2.

[0028] Figure 3 It is a schematic diagram of the half-section structure of the nozzle in Example 1 and Example 2 of the present application.

[0029] List of components and reference numerals:

[0030] 1, first lance rod; 2, second lance rod; 3, feed valve; 4, nozzle; 41, lance tip; 42, lance cap; 43, high-pressure rotating body; 44, aluminum gasket; 5, branch pipe seat; 6, first tee pipe; 7, high-pressure pipe; 8, second tee pipe; 9, quick connector; 10, quick connector protection box; 11, first high-pressure valve; 12, second high-pressure valve; 13, flow monitoring meter; 14, emptying pipe. DETAILED DESCRIPTION

[0031] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the utility model will be described clearly and completely below in combination with the drawings in the specific embodiments. Obviously, the embodiments described below are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0032] Embodiment 1

[0033] With reference to Figure 1 The embodiment provides a spray drying lance, which comprises a lance rod, a feed valve 3 is arranged in the feed end of the lance rod, the feed valve 3 is a ball valve, a nozzle 4 is connected to the discharge end of the lance rod, the feed end of the lance rod is communicated with a communication pipe, the communication pipe is communicated with the first opening of a second tee pipe 8 through a high-pressure pipe 7, the high-pressure pipe 7 is a high-pressure rubber pipe, the communication pipe and the high-pressure pipe 7 and the first opening of the second tee pipe 8 and the high-pressure pipe 7 are connected through quick connectors 9. The quick connector 9 between the second tee pipe 8 and the high-pressure pipe 7 is externally provided with a quick connector protection box 10. A first high-pressure valve 11 is arranged in the second opening of the second tee pipe 8, the third opening of the second tee pipe 8 is communicated with an emptying pipe 14, the emptying pipe 14 is provided with a second high-pressure valve 12, the first high-pressure valve 11 and the second high-pressure valve 12 are forged high-pressure ball valves; a flow monitoring meter 13 is arranged at the first opening of the second tee pipe 8, and the flow monitoring meter 13 is a delta bar flow meter.

[0034] With reference to Figure 3 The nozzle 4 comprises a lance tip 41, one end of the lance tip 41 away from the lance rod is threadedly connected with a lance cap 42, the end of the lance cap 42 away from the lance tip 41 is provided with a circular opening, the inside of the lance cap 42 is a cavity, and the high-pressure rotating body 43 and the aluminum gasket 44 are sequentially arranged in the lance cap 42 from the lance tip 41 along the axial direction of the lance rod, and the aluminum gasket 44 has an annular structure.

[0035] The working principle of the embodiment is as follows:

[0036] Through monitoring data of the flow monitor 13, whether the lance rod is blocked can be judged in time and intuitively, and the staff can take measures in time to avoid the lance rod from being burned.

[0037] In the embodiment, the function of the emptying pipe 14 is to release pressure.

[0038] In the embodiment, the lance rod can be a DN15 steel pipe, the quick connector 9 can be a DN15 quick connector 9, the high-pressure pipe 7 can be a DN15 high-pressure rubber pipe, the first high-pressure valve 11 and the second high-pressure valve 12 can be DN20 forged high-pressure ball valves, and the second tee pipe 8 can be a DN20 equal-diameter tee pipe.

[0039] Embodiment 2:

[0040] With reference to Figure 2 , the embodiment provides a spray drying lance, which comprises two lance rods, namely a first lance rod 1 and a second lance rod 2. A feed valve 3 in the form of a ball valve is arranged at the feed end of each lance rod. The discharge end of each lance rod is connected to a nozzle 4. Figure 3 The nozzle 4 comprises a lance tip 41, the end of the lance tip 41 away from the lance rod is threadedly connected to a lance pressure cap 42, the end of the lance pressure cap 42 away from the lance tip 41 is provided with a circular opening, the inside of the lance pressure cap 42 is a cavity, a high-pressure rotating body 43 and an aluminum gasket 44 are sequentially arranged in the lance pressure cap 42 from the lance tip 41 along the axial direction of the lance rod, and the aluminum gasket 44 has an annular structure. The two lance rods are arranged in parallel, have the same structural size, are aligned at the front and back ends, and have the feed ends at the same end. A branch pipe seat 5 is connected between the first lance rod 1 and the second lance rod 2, and the branch pipe seat 5 is provided with insertion holes for the first lance rod 1 and the second lance rod 2 to pass through. The distance between the branch pipe seat 5 and the feed end of the first lance rod 1 accounts for 1 / 3 of the total length of the first lance rod 1.

[0041] The feed ends of the two lance rods are respectively communicated with two openings of a first tee pipe 6, the third opening of the first tee pipe 6 is communicated with the first opening of a second tee pipe 8 through a high-pressure pipe 7, the high-pressure pipe 7 is a high-pressure rubber pipe, the first tee pipe 6 and the high-pressure pipe 7 and the second tee pipe 8 and the high-pressure pipe 7 are connected through quick connectors 9. The outside of the quick connector 9 between the second tee pipe 8 and the high-pressure pipe 7 is provided with a quick-connection protection box 10. The first high-pressure valve 11 is arranged in the second opening of the second tee pipe 8, the third opening of the second tee pipe 8 is communicated with an emptying pipe 14, the second high-pressure valve 12 is arranged in the emptying pipe 14, the first high-pressure valve 11 and the second high-pressure valve 12 are forged high-pressure ball valves, and the flow monitor 13 is arranged at the first opening of the second tee pipe 8, and the flow monitor 13 is a Delta-Ba flow meter.

[0042] The working principle of the embodiment is as follows:

[0043] Open the feed valve 3 in the feed end of any one spray gun rod, close the feed valve 3 of the feed end of the other spray gun rod, for example, open the feed valve 3 of the first spray gun rod 1, close the feed valve 3 of the second spray gun rod 2, then connect the second opening of the second tee pipe 8 with the liquid source, open the first high pressure valve 11, so that the liquid can enter the second tee pipe 8, then pass through the high pressure pipe 7 and the first tee pipe 6 in turn and enter the first spray gun rod 1, finally the liquid is sprayed from the nozzle 4 corresponding to the first spray gun rod 1 in the form of spray. When the liquid flows through the second tee pipe 8 and enters the first tee pipe 6, the flow monitoring meter 13 can monitor the liquid flow, if the flow is too low, it means that the first spray gun rod 1 may be blocked, at this time, the feed valve 3 of the first spray gun rod 1 can be closed, and the feed valve 3 of the second spray gun rod 2 can be opened, so that the liquid can switch the flow channel and enter the second spray gun rod 2, and be sprayed from the nozzle 4 corresponding to the second spray gun rod 2 in the form of spray, so as to avoid the first spray gun rod 1 from being burned out, at the same time, the spray is avoided to be interrupted, the continuous spray is ensured, the influence on the product quality is reduced, the production demand is met, and the frequency of cleaning and replacing the spray gun rod is reduced. In the embodiment, not only the other spray gun rod can be replaced when the blockage occurs, but also the other spray gun rod can be replaced when the spray effect is found to be unsatisfactory, so as to ensure the spray effect and improve the product quality.

[0044] In the embodiment, the function of the exhaust pipe 14 is to release pressure when the spray gun is replaced.

[0045] In the embodiment, the first spray gun rod 1 and the second spray gun rod 2 can be DN15 steel pipes, the quick connector 9 can be a DN15 quick connector 9, the high pressure pipe 7 can be a DN15 high pressure rubber pipe, the first high pressure valve 11 and the second high pressure valve 12 can be DN20 forged high pressure ball valves, and the second tee pipe 8 can be a DN20 equal-diameter tee pipe.

[0046] In the embodiment, the branch pipe seat 5 is mainly used to carry the spray gun at the circular hole of the drying tower, the part of the spray gun below the branch pipe seat 5 can be inserted into the inside of the drying tower, and the part above the branch pipe seat 5 is exposed outside.

[0047] The above description of disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A spray-drying lance comprising a lance shaft, in the feed end of which a feed valve (3) is arranged, and in the discharge end of which a nozzle (4) is connected, characterised in that The feeding end of the spray gun rod is communicated with the communicating pipe, the communicating pipe is communicated with the first opening of the second three-way pipe (8), the first high-pressure valve (11) is arranged in the second opening of the second three-way pipe (8), the third opening of the second three-way pipe (8) is communicated with the emptying pipe (14), the second high-pressure valve (12) is arranged in the emptying pipe (14); the flow monitoring meter (13) is arranged at the first opening of the second three-way pipe (8).

2. A spray-drying lance according to claim 1, characterized in that The spray gun rod has two, which are the first spray gun rod (1) and the second spray gun rod (2), the two spray gun rods are parallel, the communicating pipe is the first three-way pipe (6), the feeding ends of the two spray gun rods are communicated with two openings of the first three-way pipe (6) respectively, and the third opening of the first three-way pipe (6) is communicated with the first opening of the second three-way pipe (8).

3. A spray-drying lance according to claim 1, characterized in that The nozzle (4) comprises a spray gun wire head (41), one end of the spray gun wire head (41) away from the spray gun rod is threadedly connected with a spray gun pressure cap (42), the spray gun pressure cap (42) is provided with a circular opening away from the spray gun wire head (41), the spray gun pressure cap (42) is a hollow body, and the high-pressure rotating body (43) and the aluminum gasket (44) are sequentially arranged in the spray gun pressure cap (42) from the spray gun wire head (41) along the axial direction of the spray gun rod, and the aluminum gasket (44) is of an annular structure.

4. A spray-drying lance according to claim 2, characterized in that The first spray gun rod (1) and the second spray gun rod (2) are connected with the branch pipe seat (5), and the branch pipe seat (5) is provided with insertion holes through which the first spray gun rod (1) and the second spray gun rod (2) pass.

5. A spray-drying lance according to claim 1, characterized in that The communicating pipe and the first opening of the second three-way pipe (8) are communicated through the high-pressure pipe (7), and the communicating pipe and the high-pressure pipe (7) and the second three-way pipe (8) and the high-pressure pipe (7) are connected through the quick connector (9).

6. A spray-drying lance according to claim 5, characterized in that The quick connector (9) between the second three-way pipe (8) and the high-pressure pipe (7) is provided with the quick-connection protection box (10) outside.

7. A spray-drying lance according to claim 1, characterized in that The feeding valve (3) is a ball valve.

8. A spray-drying lance according to claim 1, characterized in that The first high-pressure valve (11) and / or the second high-pressure valve (12) are forged high-pressure ball valves.

9. A spray-drying lance according to claim 4, characterized in that The first spray gun rod (1) and the second spray gun rod (2) are of the same structure size, the front end and the rear end are aligned, the feeding ends are located at the same end, and the distance between the branch pipe seat (5) and the feeding end of the first spray gun rod (1) accounts for 1 / 3 of the total length of the first spray gun rod (1).

10. A spray-drying lance according to claim 1, characterized in that The flow monitoring meter (13) is a delta bar flow meter.

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