Spraying-assisted full-mechanical connection spray granulation device

Abstract

The utility model relates to calcium chloride preparation equipment, in particular to a spray-assisted full-mechanical connection spray granulation device. Comprising an air inlet pipe, a liquid inlet pipe and a spraying nozzle, the liquid inlet pipe is sleeved with the air inlet pipe, the inlet end of the air inlet pipe is provided with an air inlet pipe connector, the liquid inlet pipe and the air inlet pipe are eccentrically arranged, an eccentric plug is installed between the inlet end of the liquid inlet pipe and the inlet end of the air inlet pipe, and the outlet end of the liquid inlet pipe is located in the air inlet pipe and provided with a right-angle connector. A front plugging plate is arranged at the outlet end of the air inlet pipe; the pipe wall of the outlet end of the air inlet pipe is provided with an air outlet hole and a radial outlet sealing assembly, the radial portion of the right-angle connector is located in the sealing assembly and provided with a spraying nozzle, the spraying nozzle is connected with the sealing assembly in a sealed mode, and an air hole and a liquid hole of the spraying nozzle are communicated with the air inlet pipe and the liquid inlet pipe respectively. The sealing surfaces of the liquid inlet pipe and the air inlet pipe are kept on the same plane, so that the problem of liquid leakage of the sealing surfaces of the liquid inlet pipe and the air inlet pipe is effectively solved, the sealing performance is improved, and the maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to calcium chloride preparation equipment, in particular to an auxiliary spray type full mechanical connection spray granulation device. Background Art

[0002] In the calcium liquid spray granulation process, the mist droplets need to be mixed with the calcium liquid and compressed air at the nozzle position to spray out. However, there is currently no device that can simultaneously ensure the sealing effect of the air inlet pipe and the liquid inlet pipe, and it is easy to have problems such as poor sealing performance, poor spraying effect, and liquid leakage, which affect the performance and efficiency of the device. Some sealing structures are welded, which makes disassembly inconvenient and the work efficiency low. The Chinese utility model with the authorization announcement number CN204448352U discloses a destocked spray gun, and the air inlet pipe and the liquid inlet pipe of the utility model have poor sealing performance. Utility Model Content

[0003] The utility model aims to solve the above technical problems, thereby providing a spray-assisted full-mechanical connection spray granulation device, which improves the sealing performance and is convenient for maintenance.

[0004] The utility model solves the technical problem and adopts the following technical solution:

[0005] An assisted spray type fully mechanically connected spray granulation device comprises an air inlet pipe, a liquid inlet pipe and a spray nozzle, wherein the air inlet pipe is sleeved outside the liquid inlet pipe, and an air inlet pipe joint is installed at the inlet end of the air inlet pipe.

[0006] The liquid inlet pipe and the air inlet pipe are arranged eccentrically, an eccentric plug is installed between the inlet ends of the liquid inlet pipe and the air inlet pipe, the outlet end of the liquid inlet pipe is located in the air inlet pipe and is installed with a right-angle joint, and the outlet end of the air inlet pipe is provided with a front plugging plate;

[0007] The tube wall at the outlet end of the air inlet pipe is provided with an air outlet hole and a radial outlet sealing assembly. The radial portion of the right-angle joint is located in the sealing assembly and is equipped with a spray nozzle. The spray nozzle is sealed and connected to the sealing assembly. The air hole and liquid hole of the spray nozzle are respectively connected to the air inlet pipe and the liquid inlet pipe.

[0008] Compared with the prior art, the utility model adopting the above technical solution has the following beneficial effects:

[0009] 1) Maintain the sealing surfaces of the liquid inlet pipe and the air inlet pipe on the same plane, thereby effectively solving the problem of leakage on the sealing surfaces of the liquid inlet pipe and the air inlet pipe;

[0010] 2) The liquid inlet pipe and the air inlet pipe are arranged eccentrically, and the rear end of the air inlet pipe adopts an eccentric plugging design to keep the liquid inlet pipe horizontal and free from external interference;

[0011] 3) By eliminating most of the welding parts and using threaded connections and sealing gaskets for sealing, the inconvenience during disassembly and installation has been successfully solved, and the maintenance efficiency has been improved;

[0012] 4) At the same time, the sealing effect of the liquid inlet pipe and the air inlet pipe is ensured, and it is easy to disassemble and clean, which significantly improves the spraying effect and sealing performance, thereby realizing spray granulation.

[0013] Further, the optimization scheme of the utility model is:

[0014] A first sealing gasket is installed between the end surface of the liquid inlet pipe and the axial portion of the right-angle joint, and a second sealing gasket is installed between the outer end of the radial portion of the right-angle joint and the spray nozzle.

[0015] The outlet sealing assembly includes an interface pipe and an interface pipe sealing gasket. An annular boss structure is provided on the inner side of the outer pipe opening of the interface pipe. The interface pipe sealing gasket is placed on the outer side of the boss structure. The spray nozzle is sealed and connected to the joint pipe through the interface pipe sealing gasket. The outer side of the boss structure of the interface pipe and the outer end face of the radial part of the right-angle joint are located in the same plane.

[0016] The interface pipe sealing gasket and the second sealing gasket are located in the same plane.

[0017] The eccentric plug is an eccentric shaft sleeve structure, the outer circumferential surface of the eccentric plug is stepped, the shaft hole of the eccentric plug is sleeved on the liquid inlet pipe, the inner end of the eccentric plug is crimped on the outer end of the air inlet pipe, and the eccentric plug is sealed and connected to the air inlet pipe through an inlet sealing assembly.

[0018] The inlet sealing assembly comprises an inner sealing nut and a third sealing gasket, wherein the third sealing gasket is located between the eccentric plug and the air inlet pipe, and the inner sealing nut is a ferrule-type joint nut, which is sleeved on the eccentric plug and threadedly connected to the air inlet pipe.

[0019] A sealing ring is installed between the outer end of the eccentric plugging and the liquid inlet pipe.

[0020] The inlet end of the liquid inlet pipe is sleeved with an external sealing nut, which is a clamping sleeve type joint nut, and the external sealing nut is connected with the eccentric sealing thread.

[0021] The outer wall of the air intake pipe is provided with an outer fixed baffle, a support rod and an inner fixed baffle in sequence, and the outer fixed baffle, the support rod and the inner fixed baffle are located on the inner side of the air intake pipe joint.

[0022] An auxiliary positioning structure is provided between the right-angle joint and the front sealing plate, and the auxiliary positioning structure includes a positioning sleeve and a positioning screw. The positioning sleeve is placed on the outer side of the axial part of the right-angle joint and is coaxial with the liquid inlet pipe. The positioning screw is threadedly connected to the threaded hole of the front sealing plate and the inner end is placed in the positioning sleeve. After the positioning screw is removed, a sealing plug is installed in the threaded hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0024] Figure 2 for Figure 1 Figure A.

[0025] In the figure: an outer fixed baffle 1; a support rod 2; an inner fixed baffle 3; a first sealing gasket 4; a right-angle joint 5; a front blocking plate 6; an outlet sealing assembly 7; an interface pipe 7-1; an interface pipe sealing gasket 8; a second sealing gasket 9; a spray nozzle 10; an air hole 10-1; a liquid hole 10-2; an air inlet pipe 11; an air inlet pipe joint 12; an inlet sealing assembly 13; an inner sealing nut 13-1; a third sealing gasket 14; an eccentric plugging 15; a sealing ring 16; a liquid inlet pipe 17; and an outer sealing nut 18. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1 , Figure 2 The present embodiment provides a spray-assisted fully mechanically connected spray granulation device, which is mainly composed of a right-angle joint 5, a front blocking plate 6, a spray nozzle 10, an air inlet pipe 11, an eccentric blocking 15 and a liquid inlet pipe 17. The outer wall of the air inlet pipe 11 is welded with an outer fixed baffle 1, a support rod 2 and an inner fixed baffle 3 from left to right in sequence. The outer fixed baffle 1 and the inner fixed baffle 3 are both circular, and the support rod 2 is radially arranged. The inlet end of the air inlet pipe 11 is sealed and welded with a radial air inlet pipe joint 12, and the outlet end of the air inlet pipe 11 is sealed and welded with a front blocking plate 6. The outer fixed baffle 1, the support rod 2 and the inner fixed baffle 3 are located on the inner side of the air inlet pipe joint 12.

[0028] The air inlet pipe 11 is sleeved outside the liquid inlet pipe 17. The liquid inlet pipe 17 and the air inlet pipe 11 are arranged eccentrically. The inlet end of the liquid inlet pipe 17 is located outside the inlet end of the air inlet pipe 11, and the outlet end of the liquid inlet pipe 17 is located inside the outlet end of the air inlet pipe 11. A right-angle joint 5 is installed at the outlet end of the liquid inlet pipe 17, and a first sealing gasket 4 is installed between the end face of the liquid inlet pipe 17 and the axial part of the right-angle joint 5. An air outlet hole is opened on the pipe wall at the outlet end of the air inlet pipe 11, and the air outlet hole is provided with an outlet sealing assembly 7. The outlet sealing assembly 7 is composed of an interface pipe 7-1 and an interface pipe sealing gasket 8. The interface pipe 7-1 is radially arranged and welded to the air outlet hole. An annular boss structure is provided on the inner side of the outer pipe mouth of the interface pipe 7-1. The outer end face of the radial part of the right-angle joint 5 and the outer side face of the boss structure of the interface pipe 7-1 are located in the same plane, and the interface pipe sealing gasket 8 is placed on the outer side face of the boss structure. The body of the spray nozzle 10 is connected to the radial part of the right-angle joint 5 by threads, the end face of the radial part of the right-angle joint 5 is provided with a second sealing gasket 9, the interface pipe sealing gasket 8 and the second sealing gasket 9 are located in the same plane, the step structure of the body of the spray nozzle 10 presses the interface pipe sealing gasket 8 and the second sealing gasket 9 respectively, the spray nozzle 10 is sealed and connected to the interface pipe 7-1 and the right-angle joint 5 respectively through the interface pipe sealing gasket 8 and the second sealing gasket 9, the air hole 10-1 and the liquid hole 10-2 of the spray nozzle 10 are connected to the air inlet pipe 11 and the liquid inlet pipe 12 respectively, and the inlet of the air hole 10-1 corresponds to the annular gap formed by the radial part of the right-angle joint 5 and the boss structure. The outer end face of the radial part of the right-angle joint 5 and the outer side face of the boss structure of the interface pipe 7-1 are located in the same plane, and the interface pipe sealing gasket 8 and the second sealing gasket 9 are located in the same plane, thereby effectively solving the problem of liquid leakage on the sealing surface of the liquid inlet pipe 17 and the air inlet pipe 11.

[0029] An eccentric plug 15 is installed between the inlet ends of the air inlet pipe 11 and the liquid inlet pipe 17. The eccentric plug 15 is an eccentric sleeve structure. The outer circumferential surface of the eccentric plug 15 is in a three-step shape. The shaft hole of the eccentric plug 15 is sleeved on the liquid inlet pipe 17. The inner end of the eccentric plug 15 is crimped on the outer end surface of the air inlet pipe 11. A sealing ring 16 is installed between the outer end of the eccentric plug 15 and the liquid inlet pipe 11. The eccentric plug 15 and the air inlet pipe 11 are sealed and connected through an inlet sealing assembly 13. The inlet sealing assembly 13 is composed of an inner sealing nut 13-1 and a third sealing gasket 14. The third sealing gasket 14 is located between the eccentric plug 15 and the air inlet pipe 11. The inner sealing nut 13-1 is a ferrule joint nut. The inner sealing nut 13-1 is sleeved on the eccentric plug 15 and is connected to the air inlet pipe 11 through threads. The inlet end of the liquid inlet pipe 17 is sleeved with an external sealing nut 18, which is a ferrule joint nut, and is threadedly connected to the eccentric plug 15. The inlet end of the air inlet pipe 11 adopts the eccentric plug 15 design to ensure that the liquid inlet pipe 17 maintains a horizontal state and is not disturbed by external forces. At the same time, the inlet sealing assembly 13 is used to further enhance the sealing effect, and the inlet end of the liquid inlet pipe 17 is sealed by the ferrule joint nut.

[0030] As an embodiment of the utility model, in order to facilitate the positioning of the liquid inlet pipe 17 during installation and maintenance, an auxiliary positioning structure is provided between the right-angle joint 5 and the front sealing plate 6, and the auxiliary positioning structure is composed of a positioning sleeve and a positioning screw. The positioning sleeve is welded to the outer side surface of the axial part of the right-angle joint 5, the positioning sleeve is coaxial with the liquid inlet pipe 17, the positioning screw axially penetrates the threaded hole of the front sealing plate 6, the positioning screw is threadedly connected to the threaded hole, and the inner end of the positioning screw is placed in the positioning sleeve to assist in positioning the liquid inlet pipe 17 and the right-angle joint 5. After the device is assembled, the positioning screw is removed and a sealing plug is installed in the threaded hole of the front sealing plate 6.

[0031] The disassembly process of this embodiment is as follows: after the spray nozzle 10 and the inlet sealing assembly 13 are disassembled in sequence, the liquid inlet pipe can be disassembled as a whole.

[0032] The utility model can ensure that the joint sealing surface and the sealing surface of the seal are perfectly matched by precisely controlling the vertical height of the interface pipe, thereby achieving an excellent sealing effect of the inner and outer sealing surfaces. The distance between the air inlet pipe and the liquid inlet pipe can be easily adjusted by eccentric plugging, thereby accurately controlling the spraying effect. At the same time, the setting of the sealing gasket and the sealing ring can effectively ensure the sealing performance between the air inlet pipe and the liquid inlet pipe, and completely eliminate the risk of gas and liquid leakage. In addition, since the materials of the sealing gasket and the sealing ring have good corrosion resistance, the service life of the device can be effectively extended.

[0033] The above description is only a preferred feasible embodiment of the present utility model, and does not limit the scope of rights of the present utility model. All equivalent structural changes made using the contents of the specification and drawings of the present utility model are included in the scope of rights of the present utility model.

Claims

1. A spray-assisted fully mechanically connected spray granulation device, comprising an air inlet pipe, a liquid inlet pipe and a spray nozzle, wherein the air inlet pipe is sleeved outside the liquid inlet pipe, and an air inlet pipe joint is installed at the inlet end of the air inlet pipe, characterized in that: The liquid inlet pipe and the air inlet pipe are arranged eccentrically, an eccentric plug is installed between the inlet ends of the liquid inlet pipe and the air inlet pipe, the outlet end of the liquid inlet pipe is located in the air inlet pipe and is installed with a right-angle joint, and the outlet end of the air inlet pipe is provided with a front plugging plate; The tube wall at the outlet end of the air inlet pipe is provided with an air outlet hole and a radial outlet sealing assembly. The radial portion of the right-angle joint is located in the sealing assembly and is equipped with a spray nozzle. The spray nozzle is sealed and connected to the sealing assembly. The air hole and liquid hole of the spray nozzle are respectively connected to the air inlet pipe and the liquid inlet pipe.

2. The spray-assisted fully mechanically connected spray granulation device according to claim 1 is characterized in that: A first sealing gasket is installed between the end surface of the liquid inlet pipe and the axial portion of the right-angle joint, and a second sealing gasket is installed between the outer end of the radial portion of the right-angle joint and the spray nozzle.

3. The spray-assisted fully mechanically connected spray granulation device according to claim 1 is characterized in that: The outlet sealing assembly includes an interface pipe and an interface pipe sealing gasket. An annular boss structure is provided on the inner side of the outer pipe opening of the interface pipe. The interface pipe sealing gasket is placed on the outer side of the boss structure. The spray nozzle is sealed and connected to the joint pipe through the interface pipe sealing gasket. The outer side of the boss structure of the interface pipe and the outer end face of the radial part of the right-angle joint are located in the same plane.

4. The spray-assisted fully mechanically connected spray granulation device according to claim 3 is characterized in that: The interface pipe sealing gasket and the second sealing gasket are located in the same plane.

5. The spray-assisted fully mechanically connected spray granulation device according to claim 1 is characterized in that: The eccentric plug is an eccentric shaft sleeve structure, the outer circumferential surface of the eccentric plug is stepped, the shaft hole of the eccentric plug is sleeved on the liquid inlet pipe, the inner end of the eccentric plug is crimped on the outer end of the air inlet pipe, and the eccentric plug is sealed and connected to the air inlet pipe through an inlet sealing assembly.

6. The spray-assisted fully mechanically connected spray granulation device according to claim 5 is characterized in that: The inlet sealing assembly comprises an inner sealing nut and a third sealing gasket, wherein the third sealing gasket is located between the eccentric plug and the air inlet pipe, and the inner sealing nut is a ferrule-type joint nut, which is sleeved on the eccentric plug and threadedly connected to the air inlet pipe.

7. The spray-assisted fully mechanically connected spray granulation device according to claim 1 is characterized in that: A sealing ring is installed between the outer end of the eccentric plugging and the liquid inlet pipe.

8. The spray-assisted fully mechanically connected spray granulation device according to claim 1 is characterized in that: The inlet end of the liquid inlet pipe is sleeved with an external sealing nut, which is a clamping sleeve type joint nut, and the external sealing nut is connected with the eccentric sealing thread.

9. The spray-assisted fully mechanically connected spray granulation device according to claim 1 is characterized in that: The outer wall of the air intake pipe is provided with an outer fixed baffle, a support rod and an inner fixed baffle in sequence, and the outer fixed baffle, the support rod and the inner fixed baffle are located on the inner side of the air intake pipe joint.

10. The spray-assisted fully mechanically connected spray granulation device according to claim 1, characterized in that: An auxiliary positioning structure is provided between the right-angle joint and the front sealing plate, and the auxiliary positioning structure includes a positioning sleeve and a positioning screw. The positioning sleeve is placed on the outer side of the axial part of the right-angle joint and is coaxial with the liquid inlet pipe. The positioning screw is threadedly connected to the threaded hole of the front sealing plate and the inner end is placed in the positioning sleeve. After the positioning screw is removed, a sealing plug is installed in the threaded hole.

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