Distance-adjustable spray gun body of pressure spray drying tower

Abstract

The utility model discloses a distance-adjustable spray gun body of a pressure spray drying tower, relates to the technical field of pressure spray drying equipment and granulation, and solves the problem that the distance of a spray gun of an existing pressure spray drying tower is inconvenient to adjust. A plurality of spray gun moving devices are uniformly distributed on the circumference of a shell layer of a spray gun body, and spray guns are arranged on the spray gun moving devices; the spray gun moving device comprises a moving device body, a moving sliding table and a driving device, the moving sliding table and the driving device are arranged in the moving device body, and the spray gun is arranged on the moving sliding table; the driving device is connected with the bottom of the movable sliding table and drives the movable sliding table to move; a sealing device is arranged at the upper end of the moving device body and connected with the upper end of the moving sliding table. The movable sliding table is driven by the lead screw, so that the position of the spray gun is adjusted, the problem that the particle size of a traditional spray gun body with a fixed interval is difficult to adjust is solved, the personnel cost for turning on and turning off each time is saved through online adjustment, and energy waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure spray drying equipment and prilling technical field, concretely to a kind of pressure spray drying tower adjustable distance spray gun body. BACKGROUND

[0002] Spray drying tower is used for the drying equipment of biological pesticide, medicine, food microorganism. Pressure spray drying is a kind of drying process, which atomizes the raw material liquid into mist droplets by nozzle under the pressure provided by high-pressure pump, and obtains the product in powder or particle shape by direct contact of hot air and mist droplets. In the existing industry, the position of hot air inlet distributor and the position of atomizer of spray gun body in the top of tower are both fixed. The design interval of multiple nozzles of spray gun body is fixed interval (the diameter of the product is determined by the interval of nozzles). When changing new product, it is necessary to stop production, replace different specifications of atomizing nozzles and adjust multiple times to meet the particle size requirement of standard product. However, the existing structure has small adjustment range, high operating cost for each stop production and cannot completely meet the product requirement. SUMMARY

[0003] The utility model discloses to solve the problem of inconvenient interval adjustment of spray gun of existing pressure spray drying tower, and thus proposes a kind of pressure spray drying tower adjustable distance spray gun body. The utility model discloses to be adjusted to the position of spray gun by screw rod drive mobile sliding table, solve the problem of difficult product particle size adjustment of traditional fixed interval spray gun body, and save personnel cost for each start and stop on-line adjustment, reduce the waste of energy.

[0004] The utility model discloses a kind of pressure spray drying tower adjustable distance spray gun body, specifically including spray gun body shell layer, several spray gun moving devices and several spray guns, several spray gun moving devices are uniformly distributed on spray gun body shell layer, and spray gun is provided on spray gun moving device;Spray gun moving device includes moving device main body, mobile sliding table and drive device, mobile sliding table and drive device are set in moving device main body, and spray gun is set on mobile sliding table;Drive device and mobile sliding table bottom are connected and drive mobile sliding table to move;Sealing device is provided on the upper end of moving device main body, and sealing device and mobile sliding table upper end are connected.

[0005] Further, the drive device includes hand wheel and screw rod;Screw rod one end is rotatably connected with the wall surface of moving device main body, and the other end is threaded to the outside of moving device main body and is provided with hand wheel at end portion;Mobile sliding table bottom and screw rod are threadedly connected.

[0006] Further, the screw rod rotates a circle, and mobile sliding table moves 4mm.

[0007] Further, bearing is provided between the screw rod and the wall surface of moving device main body;Oil seal structure is provided on the inner side of the wall surface of moving device main body away from hand wheel, and outer bearing sealing seat is provided on the outer side of the wall surface close to hand wheel.

[0008] Further, the mobile device body is internally provided with an optical shaft, and the mobile sliding table is provided with a linear bearing at the bottom, which is sleeved on the optical shaft.

[0009] Further, the mobile device body comprises an upper flange and a lower flange, and two vertical plates and two side plates are arranged between the upper flange and the lower flange, and the lead screw is rotationally connected with the two vertical plates; a supporting plate is arranged below the upper flange and connected with the side plate.

[0010] Further, the sealing device comprises a sealing steel plate and a plurality of inflatable sealing structures, the sealing steel plate is arranged on the upper surface of the supporting plate and connected with the mobile sliding table and moves with the mobile sliding table; the inflatable sealing structures are arranged on the upper flange and in contact with the sealing steel plate.

[0011] Further, a plurality of cooling air interfaces and a cooling air main inlet interface are arranged on the spray gun body shell layer, the cooling air main inlet interface is in communication with the plurality of cooling air interfaces, and the cooling air interfaces are in communication with the spray gun.

[0012] Further, the spray gun is provided with a spray gun cooling air inlet, and a spray gun cooling air pipe is arranged at the lower end of the spray gun; the spray gun cooling air inlet is in communication with the cooling air interface.

[0013] Further, the front-to-back adjustment range of the mobile sliding table is 60mm.

[0014] The pressure spray drying tower adjustable distance spray gun body has the beneficial effects that:

[0015] (1) The pressure spray drying tower adjustable distance spray gun body overcomes the inconvenience in adjusting the distance between the spray guns of the existing pressure type spray drying tower, drives the mobile sliding table through the lead screw, and then drives the spray gun to move, so that the position and distance of the spray gun are adjusted, when the particle size of the product needs to be adjusted, the adjustment can be performed on line, the replacement cost of the traditional fixed distance spray gun body is saved, the loss and cost of stopping, starting and cleaning of the replacement fixed distance spray gun body are reduced, and the overall efficiency is improved and the cost is compressed.

[0016] (2) The pressure spray drying tower adjustable distance spray gun body is provided with the sealing steel plate and the inflatable sealing structure, so that the air gap is prevented from leaking when the mobile sliding table moves, the negative pressure in the internal part of the drying tower is prevented from being destroyed, and the hot air is prevented from leaking to the upper end of the hot air tank to cause the temperature of the ring mirror to rise and waste energy. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of the present application, and the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.

[0018] In the drawings:

[0019] Figure 1 is a top view of the adjustable distance spray gun body of the pressure spray drying tower, according to the utility model;

[0020] Figure 2 is a side view of the adjustable distance spray gun body of the pressure spray drying tower, according to the utility model;

[0021] Figure 3 is a structural schematic view of the spray gun moving device of the adjustable distance spray gun body of the pressure spray drying tower, according to the utility model;

[0022] Figure 4 is a schematic view of the moving range of the spray gun moving device of the adjustable distance spray gun body of the pressure spray drying tower, according to the utility model;

[0023] Wherein: 1-spray gun moving device, 2-cooling air interface, 3-cooling air main interface, 4-center agglomeration cleaning pipe, 5-spray gun, 6-spray gun cooling air inlet, 7-hose, 8-hand wheel, 9-spray gun cooling air pipe, 10-moving slide, 11-seal ring conversion head, 12-upper flange, 13-supporting plate, 14-stand plate, 15-outer bearing sealing seat, 16-screw rod, 17-inflatable sealing structure, 18-spray gun body shell layer, 19-screw rod nut, 20-oil seal structure, 21-lower flange. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present application, it should be noted that unless specifically defined and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict between them.

[0028] Specific embodiment one: see Figures 1-4 Specific description of the present embodiment. The adjustable distance spray gun body of the pressure spray drying tower according to the present embodiment specifically comprises a spray gun body shell layer 18, a plurality of spray gun moving devices 1 and a plurality of spray guns 5, the spray gun moving devices 1 are uniformly distributed on the circumference of the spray gun body shell layer 18, and the spray guns 5 are arranged on the spray gun moving devices 1; a central agglomeration cleaning pipe 4 is arranged at the center of the spray gun body shell layer 18; the spray gun moving device 1 comprises a moving device main body, a moving slide 10 and a driving device, the moving slide 10 and the driving device are arranged inside the moving device main body, and the spray gun 5 is arranged on the moving slide 10; the driving device is connected with the bottom of the moving slide 10 and drives the moving slide 10 to move, thereby driving the spray gun 5 to move horizontally in the drying tower to change the distance between the spray guns 5, so as to adjust the agglomeration effect of the atomized liquid of the spray gun, so as to control the size of the dried product particle size; a sealing device is arranged at the upper end of the moving device main body and connected with the upper end of the moving slide 10.

[0029] The driving device comprises a hand wheel 8 and a lead screw 16; one end of the lead screw 16 is rotatably connected with the wall surface of the moving device main body, the other end penetrates out of the moving device main body and is provided with a hand wheel 8 at the end; the bottom of the moving slide 10 is threadedly connected with the lead screw 16, the lead screw 16 is driven to rotate by rotating the hand wheel 8, thereby driving the moving slide 10 to move linearly inside the moving device main body.

[0030] The moving slide 10 moves 4mm per rotation of the lead screw 16, and the forward and backward movement adjustment range a of the moving slide 10 inside the moving device main body is 60mm, as shown in Figure 4

[0031] A bearing is arranged between the lead screw 16 and the wall surface of the moving device main body; an oil seal structure 20 is arranged on the inner side of the wall surface of the moving device main body away from the hand wheel 8, and an outer bearing sealing seat 15 is arranged on the outer side of the wall surface close to the hand wheel 8, so as to seal the connection position of the lead screw 16 and the moving device main body. The oil seal structure 20 comprises an oil seal fixing seat, and an oil seal is arranged in the oil seal fixing seat.​

[0032] The light axis is arranged inside the mobile device body, the linear bearing is arranged at the bottom of the mobile sliding table 10, and the linear bearing is sleeved on the light axis. Through cooperation of the linear bearing and the light axis, stable movement of the mobile sliding table 10 is ensured.

[0033] The mobile device body comprises an upper flange 12 and a lower flange 21, two vertical plates 14 and two side plates are arranged between the upper flange 12 and the lower flange 21, the lead screw 16 is rotatably connected with the two vertical plates 14 through bearings, a supporting plate 13 is arranged below the upper flange 12, the supporting plate 13 is connected with the side plates, and the upper end of the mobile sliding table 10 passes through the middle of the upper flange 12 and the supporting plate 13.

[0034] The sealing device comprises a sealing steel plate and an inflation sealing structure 17, the sealing steel plate is arranged on the upper surface of the supporting plate 13 and connected with the mobile sliding table 10 to move with the mobile sliding table 10, and the inflation sealing structure 17 is arranged on the upper flange 12 and in contact with the sealing steel plate. A sealing ring conversion head 11 is arranged on the upper flange 12, the sealing ring conversion head 11 is in communication with the inflation sealing structure 17, 1 bar of compressed air is filled into the inflation sealing structure 17 during work, so that the sealing steel plate is pressed on the supporting plate 13, the gap between the mobile sliding table 10 and the mobile device body during movement is sealed, the negative pressure in the drying tower is prevented from being damaged by the gap, and the hot air is prevented from leaking to the upper end of the hot air tank to cause the temperature of the ring mirror to rise and waste energy.

[0035] A plurality of cooling air interfaces 2 and a cooling air main inlet 3 are arranged on the spray gun body shell layer 18, the cooling air main inlet 3 is in communication with the plurality of cooling air interfaces 2, and the cooling air interface 2 is in communication with the spray gun 5.

[0036] The spray gun 5 is provided with a spray gun cooling air inlet 6, and the lower end of the spray gun 5 is provided with a spray gun cooling air pipe 9. The spray gun cooling air inlet 6 is in communication with the cooling air interface 2 through the hose 7. The cooling air of the spray gun 5 enters the spray gun body shell layer 18 through the cooling air main inlet 3, flows out to the cooling air interface 2, enters the hose 7, enters the spray gun cooling air pipe 9 through the spray gun cooling air inlet 6, and is used for cooling the spray gun 5.

[0037] Summarizing the above implementation cases, the adjustable distance spray gun body of the pressure spray drying tower can overcome the inconvenience of adjusting the distance between spray guns in the existing pressure spray drying tower, drive the moving sliding table 10 through the lead screw 16, and then drive the spray gun 5 to move, so as to adjust the position and distance of the spray gun 5. When the product needs to adjust the particle size, it can be adjusted online, which saves the replacement cost of the traditional fixed distance spray gun body, reduces the loss and cost of replacing the fixed distance spray gun body, shutdown, startup, cleaning and the like, improves the overall efficiency and compresses the cost. The adjustable distance spray gun body of the pressure spray drying tower, by setting the sealing steel plate and the inflation sealing structure 17, prevents the air gap from leaking out when the moving sliding table 10 moves, which destroys the negative pressure inside the drying tower, and prevents hot air from leaking to the upper end of the hot air tank, which causes the ring mirror temperature to rise and waste energy.

[0038] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the present application. It should be understood that the above description is only a specific embodiment of the present application and is not intended to limit the application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A pressure spray drying tower adjustable pitch spray gun body characterized by: The application relates to a spraying gun body shell layer (18), a plurality of spraying gun moving devices (1) and a plurality of spraying guns (5), wherein the spraying gun moving devices (1) are uniformly distributed on the spraying gun body shell layer (18) in a circumferential direction, and the spraying guns (5) are arranged on the spraying gun moving devices (1); the spraying gun moving device (1) comprises a moving device main body, a moving slide (10) and a driving device, the moving slide (10) and the driving device are arranged in the moving device main body, and the spraying gun (5) is arranged on the moving slide (10); the driving device is connected with the bottom of the moving slide (10) and drives the moving slide (10) to move; and a sealing device is arranged on the upper end of the moving device main body and connected with the upper end of the moving slide (10).

2. The pressure spray drying column adjustable pitch lance body of claim 1, wherein: The driving device comprises a hand wheel (8) and a lead screw (16); one end of the lead screw (16) is rotationally connected with the wall surface of the moving device main body, the other end of the lead screw (16) penetrates out of the moving device main body and is provided with the hand wheel (8) at the end; and the bottom of the moving slide (10) is threadedly connected with the lead screw (16).

3. The pressure spray drying column adjustable pitch lance body of claim 2, wherein: The lead screw (16) rotates one circle to move the moving slide (10) by 4mm.

4. The variable geometry jet body for a pressure spray drying column of claim 2, wherein: A bearing is arranged between the lead screw (16) and the wall surface of the moving device main body; an oil seal structure (20) is arranged on the inner side of the wall surface of the moving device main body away from the hand wheel (8), and an outer bearing sealing seat (15) is arranged on the outer side of the wall surface of the moving device main body close to the hand wheel (8).

5. The variable geometry jet body for a pressure spray drying column of claim 2, wherein: A light shaft is arranged in the moving device main body, and a linear bearing is arranged on the bottom of the moving slide (10) and sleeved on the light shaft.

6. The variable geometry jet body for a pressure spray drying column of claim 2, wherein: The moving device main body comprises an upper flange (12) and a lower flange (21), two vertical plates (14) and two side plates are arranged between the upper flange (12) and the lower flange (21), and the lead screw (16) is rotationally connected with the two vertical plates (14); a supporting plate (13) is arranged below the upper flange (12) and connected with the side plates.

7. The variable geometry jet body for a pressure spray drying column of claim 6, wherein: The sealing device comprises a sealing steel plate and an inflation sealing structure (17), the sealing steel plate is arranged on the upper surface of the supporting plate (13) and connected with the moving slide (10) and moves along with the moving slide (10); and the inflation sealing structure (17) is arranged on the upper flange (12) and in contact with the sealing steel plate.

8. The variable geometry jet body for a pressure spray drying column of claim 1 wherein: A plurality of cooling air interfaces (2) and a cooling air main inlet (3) are arranged on the spraying gun body shell layer (18), the cooling air main inlet (3) is communicated with the plurality of cooling air interfaces (2), and the cooling air interfaces (2) are communicated with the spraying guns (5).

9. The variable geometry jet body for a pressure spray drying column of claim 8, wherein: A spraying gun cooling air inlet (6) is arranged on the spraying gun (5), and a spraying gun cooling air pipe (9) is arranged at the lower end of the spraying gun (5); the spraying gun cooling air inlet (6) is communicated with the cooling air interface (2).

10. The variable geometry jet body for a pressure spray drying column of claim 1 wherein: The moving slide (10) can be adjusted by 60mm in front and back directions.

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