Multi-spray-gun spray drying tower

Abstract

The utility model provides a multi-spray-gun spray drying tower, which comprises a spray drying tower and a feeding system, a spray gun mounting cylinder is mounted in the center of the top of the spray drying tower, 12 atomizing spray guns are vertically and downwards mounted on the spray gun mounting cylinder through flanges, and a hot air distribution chamber is arranged at the top of the spray drying tower. A plurality of air adjusting doors and flow guide pipes are installed in the hot air distribution chamber, the number of the air adjusting doors is the same as that of the spray guns, the flow guide pipes are tangentially welded to the spray gun installation barrel, a material collecting pipe is arranged above the spray gun installation barrel and connected with the top ends of the atomization spray guns, and the feeding system is connected with the material collecting pipe through a material pipeline. A material valve is arranged on the material pipeline, and a spray gun cleaning water tank is arranged above the spray drying tower. According to the technical scheme, the retention time of materials in the tower body is prolonged, and a better drying effect is achieved; the spray gun can be replaced under the non-stop state of equipment, and the device is convenient to operate and worthy of popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of drying machine equipment, in particular to a multi-spray gun spray drying tower. Background Art

[0002] Spray dryers are centrifugal spray dryers and pressure spray dryers. They can dry some solutions, emulsions, suspensions, and paste materials in the fields of chemical, petrochemical, light industry, food, medicine, building materials, ceramics, etc. into dry powder in one step. They are one of the most widely used dryers in industrial production. However, the existing pressure spray drying towers mostly use a single spray gun. Once the nozzle is blocked, the production process will stop and the nozzle needs to be replaced, which brings great inconvenience to use. Utility Model Content

[0003] In order to make up for the deficiencies of the prior art, the utility model provides a multi-spray gun spray drying tower.

[0004] The utility model is realized through the following technical scheme: a multi-spray gun spray drying tower, comprising a spray drying tower and a feeding system, wherein a spray gun installation cylinder is installed at the top center of the spray drying tower, 12 atomizing spray guns are installed vertically downward through a flange on the spray gun installation cylinder, 12 spray rods are equidistantly installed around the central axis of the spray gun installation cylinder as a circle, a hot air distribution chamber is arranged on the top of the spray drying tower, a number of air regulating doors and guide pipes of the same number as the spray guns are installed in the hot air distribution chamber, the guide pipes are tangentially welded on the spray gun installation cylinder, a material collection pipe is arranged above the spray gun installation cylinder, the material collection pipes are respectively connected to the top of the atomizing spray gun, the feeding system is connected to the material collection pipe through a material pipeline, a material valve is arranged on the material pipeline, and a spray gun cleaning water tank is placed above the spray drying tower.

[0005] As a preferred embodiment, the spray gun mounting barrel includes a spray gun barrel, an inner cavity of the spray gun barrel is installed with an insulation liner, an insulation layer is filled between the spray gun barrel and the insulation liner, an observation hole cover is arranged on the top of the insulation liner, 12 spray gun sleeves for accommodating atomizing spray guns are opened through the insulation liner, a first positioning plate is arranged in the spray gun sleeve, and a sleeve flange is fixedly installed on the top of the spray gun sleeve.

[0006] Furthermore, a barrel flange and a channel steel support are installed on the outer wall of the spray gun barrel.

[0007] Furthermore, the atomizing spray gun includes a gun rod, a spray gun flange is fixedly installed on the top of the gun rod, the spray gun flange and the sleeve flange are matched and connected to each other, a spray gun wire head is installed at the bottom end of the gun rod, a nozzle is installed at the outlet end of the spray gun wire head, and a second positioning plate is fixedly installed on the middle outer wall of the gun rod, and the second positioning plate is matched and connected to the first positioning plate.

[0008] Furthermore, the atomizing spray gun includes a material distribution valve installed on the top of the atomizing spray gun.

[0009] As a preferred solution, the feeding system includes a filter, a high-pressure pump and a buffer tank, the filter, the high-pressure pump and the buffer tank are connected in sequence through pipelines, and the outlet end of the buffer tank is connected to the material pipeline.

[0010] Furthermore, the spray gun cleaning water tank includes a steel frame, on which 6 cleaning cylinders are obliquely installed, the ends of the cleaning cylinders are connected to the water tank, the lower part of the water tank is connected to a drain pipe, a water tank cover is installed on the top of the water tank, a connecting flange is installed on the top of the cleaning cylinder, and the connecting flange is matched and connected to the spray gun flange.

[0011] Due to the adoption of the above technical scheme, the utility model has the following beneficial effects compared with the prior art: the invention increases the residence time of the material in the tower body to achieve a better drying effect; the invention can replace the spray gun without stopping the equipment, which is easy to operate and worthy of promotion.

[0012] Additional aspects and advantages of the present invention will become apparent in the following description or will be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the main cross-sectional structure of the spray gun installation barrel;

[0017] Figure 4 It is a schematic diagram of the top view of the spray gun installation cylinder;

[0018] Figure 5 It is a schematic diagram of the main structure of the atomizing spray gun;

[0019] Figure 6 Process flow chart for feeding system and cleaning system

[0020] Figure 7 A schematic diagram of the three-dimensional structure of the spray gun cleaning water tank;

[0021] Figure 8 A schematic diagram of the main cross-sectional structure of a spray gun cleaning water tank for placing an atomizing spray gun;

[0022] in, Figures 1 to 8The corresponding relationship between the reference numerals and the components is as follows:

[0023] 1 spray gun installation barrel, 2 spray gun, 3 hot air distribution chamber, 4 air damper, 5 guide pipe, 6 feeding system, 7 spray gun cleaning water tank, 8 spray drying tower, 9 material collection pipe, 1-1 barrel flange, 1-2 channel steel support, 1-3 spray gun barrel, 1-4 spray gun sleeve, 1-5 insulation layer, 1-6 insulation liner, 1-7 positioning plate, 1-8 observation hole cover, 1-9 sleeve flange, 2-1 spray gun flange, 2-2 gun rod, 2-3 positioning plate, 2-4 spray gun wire head, 2-5 nozzle, 6-1 filter, 6-2 high pressure pump, 6-3 buffer tank, 6-4 pipeline, 6-5 valve, 7-1 steel frame, 7-2 cleaning barrel, 7-3 water tank, 7-4 drain pipe, 7-5 water tank cover, 7-6 connecting flange. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0026] Combine the following Figures 1 to 3 The multi-spray gun spray drying tower of the embodiment of the utility model is specifically described.

[0027] like Figure 1 , Figure 2 As shown, the utility model proposes a multi-spray gun spray drying tower, including a spray drying tower 8 and a feeding system 6, wherein a spray gun installation cylinder 1 is installed at the top center of the spray drying tower, 12 atomizing spray guns 2 are installed vertically downward through a flange on the spray gun installation cylinder 1, and 12 spray rods 2 are installed equidistantly around the central axis of the spray gun installation cylinder 1 as a circle point, and a hot air distribution chamber 3 is arranged on the top of the spray drying tower 8, and a number of air regulating doors 4 and guide pipes 5 of the same number as the atomizing spray guns 2 are installed in the hot air distribution chamber 3. The guide pipe 5 is tangentially welded on the spray gun mounting cylinder 1 to allow air to enter the spray gun mounting cylinder 1 along the tangential direction. A material collecting pipe 9 is arranged above the spray gun mounting cylinder 1. The material collecting pipes 9 are respectively connected to the top of the atomizing spray gun 2. The feeding system 6 is connected to the material collecting pipe 9 through the material pipeline 6-4. The material valve 6-5 is arranged on the material pipeline 6-4. The feeding system 6 delivers the material into the spray gun 2. A spray gun cleaning water tank 7 is placed above the spray drying tower 8. The spray gun cleaning water tank 7 is used to clean a blocked spray gun 2.

[0028] The spray gun installation barrel 1 comprises a spray gun barrel 1-3, the inner cavity of the spray gun barrel 1-3 is installed with a heat preservation liner 1-6, a heat preservation layer 1-5 is filled between the spray gun barrel 1-3 and the heat preservation liner 1-6, an observation hole cover 1-8 is arranged on the top of the heat preservation liner 1-6, 12 spray gun sleeves 1-4 for accommodating the atomizing spray gun 2 are opened through the heat preservation liner 1-6, a first positioning plate 1-7 is arranged in the spray gun sleeve 1-4, and a sleeve flange 1-9 is fixedly installed on the top of the spray gun sleeve 1-4. A barrel flange 1-1 and a channel steel support 1-2 are installed on the outer wall of the spray gun barrel 1-3.

[0029] The atomizing spray gun 2 includes a gun rod 2-2, a spray gun flange 2-1 is fixedly installed on the top of the gun rod 2-2, the spray gun flange 2-1 is matched and connected with the sleeve flange 1-9, a spray gun thread head 2-4 is installed at the bottom of the gun rod 2-2, a nozzle 2-5 is installed at the outlet end of the spray gun thread head 2-4, a second positioning plate 2-3 is fixedly installed on the middle outer wall of the gun rod 2-2, and the second positioning plate 2-3 is matched and connected with the first positioning plate 1-7. A material distribution valve 2-6 is also installed on the top of the atomizing spray gun 2. The spray gun cleaning water tank 7 includes a steel frame 7-1, 6 cleaning cylinders 7-2 are obliquely installed on the steel frame 7-1, the ends of the cleaning cylinders 7-2 are connected to the water tank 7-3, the lower part of the water tank 7-3 is connected to the drain pipe 7-4, the top of the water tank 7-3 is installed with a water tank cover 7-5, the top of the cleaning cylinder 7-2 is installed with a connecting flange 7-6, and the connecting flange 7-6 is matched and connected with the spray gun flange 2-1.

[0030] The feeding system 6 includes a filter 6-1, a high-pressure pump 6-2 and a buffer tank 6-3. The filter 6-1, the high-pressure pump 6-2 and the buffer tank 6-3 are connected in sequence through pipelines, and the outlet end of the buffer tank 6-3 is connected to the material pipeline 6-4.

[0031] Working process: The present invention adopts multiple spray guns 2, each spray gun 2 has a separate valve, and the spray effect is observed through the observation hole on the spray gun mounting barrel 1. When a certain spray gun 2 is found to be blocked, the valve can be closed and the spare spray gun 2 can be replaced in time without stopping the whole system. The blocked spray gun 2 can be put into the spray gun cleaning water tank 7 for cleaning and standby; the guide tube 5 is tangentially welded on the spray gun mounting barrel 1 to allow air to enter the spray gun mounting barrel 1 along the tangential direction, and the spray direction of the spray gun 2 is inclined outward, and a centrifugal atomization effect is formed under the action of air blowing force, so that the atomized material is rotated and falls from the top of the spray drying tower 8 to the bottom, thereby increasing the residence time of the material in the tower body and achieving a better drying effect; the invention can replace the spray gun 2 without stopping the equipment, and the operation is convenient and worthy of promotion.

[0032] In the description of the present invention, the term "multiple" refers to two or more than two. Unless otherwise clearly defined, the orientation or position relationship indicated by the terms "upper" and "lower" is based on the orientation or position relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, 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 multi-spray-gun spray drying tower, comprising a spray drying tower (8) and a feeding system (6), characterized in that A spray gun installation cylinder (1) is installed at the center of the top of the spray drying tower. Twelve atomizing spray guns (2) are installed vertically downward on the spray gun installation cylinder (1) through a flange. The 12 atomizing spray guns (2) are installed equidistantly around the central axis of the spray gun installation cylinder (1) as a circle. A hot air distribution chamber (3) is arranged on the top of the spray drying tower (8). A number of air dampers (4) and guide pipes (5) of the same number as the atomizing spray guns (2) are installed in the hot air distribution chamber (3). The guide pipe (5) is tangentially welded to the spray gun installation cylinder (1). A material collection pipe (9) is arranged above the spray gun installation cylinder (1). The material collection pipe (9) is connected to the top of the atomizing spray gun (2) respectively. The feeding system (6) is connected to the material collection pipe (9) through a material pipeline (6-4). A material valve (6-5) is arranged on the material pipeline (6-4). A spray gun cleaning water tank (7) is placed above the spray drying tower (8).

2. A multi-spray drying tower according to claim 1, characterized in that The spray gun installation barrel (1) comprises a spray gun barrel (1-3), an inner cavity of the spray gun barrel (1-3) is installed with a heat-insulating inner liner (1-6), a heat-insulating layer (1-5) is filled between the spray gun barrel (1-3) and the heat-insulating inner liner (1-6), an observation hole cover (1-8) is arranged on the top of the heat-insulating inner liner (1-6), 12 spray gun sleeves (1-4) for accommodating atomizing spray guns (2) are opened and penetrated on the upper part of the heat-insulating inner liner (1-6), a first positioning plate (1-7) is arranged in the spray gun sleeve (1-4), and a sleeve flange (1-9) is fixedly installed on the top of the spray gun sleeve (1-4).

3. A multi-spray drying tower according to claim 2, characterized in that A barrel flange (1-1) and a channel steel support (1-2) are installed on the outer wall of the spray gun barrel (1-3).

4. A multi-spray drying tower according to claim 2, characterized in that The atomizing spray gun (2) comprises a gun rod (2-2), a spray gun flange (2-1) is fixedly mounted on the top of the gun rod (2-2), the spray gun flange (2-1) and the sleeve flange (1-9) are matched and connected to each other, a spray gun thread head (2-4) is mounted on the bottom end of the gun rod (2-2), a spray head (2-5) is mounted on the outlet end of the spray gun thread head (2-4), and a second positioning plate (2-3) is fixedly mounted on the middle outer wall of the gun rod (2-2), and the second positioning plate (2-3) is matched and connected to the first positioning plate (1-7).

5. A multi-spray drying tower according to claim 4, characterized in that The atomizing spray gun (2) includes a material distribution valve (2-6) installed at the top of the atomizing spray gun (2).

6. A multi-spray drying tower according to claim 1, characterized in that The feeding system (6) includes a filter (6-1), a high-pressure pump (6-2) and a buffer tank (6-3). The filter (6-1), the high-pressure pump (6-2) and the buffer tank (6-3) are connected in sequence through pipelines, and the outlet end of the buffer tank (6-3) is connected to the material pipeline (6-4).

7. A multi-spray drying tower according to claim 5, characterized in that The spray gun cleaning water tank (7) comprises a steel frame (7-1), on which six cleaning cylinders (7-2) are obliquely mounted, the ends of the cleaning cylinders (7-2) are connected to the water tank (7-3), the lower part of the water tank (7-3) is connected to a drain pipe (7-4), the top of the water tank (7-3) is mounted with a water tank cover (7-5), the top of the cleaning cylinder (7-2) is mounted with a connecting flange (7-6), and the connecting flange (7-6) is matched and connected to the spray gun flange (2-1).

Images