Automatic blowdown device for aluminum electrolysis pressure vessel

Abstract

The utility model relates to the technical field of pollution discharge of pressure vessels, in particular to an automatic pollution discharge device for an aluminum electrolysis pressure vessel, which is characterized in that a material conveying pipe is arranged on the side surface of the pressure vessel, a pressure setting module and a pressure detection module are arranged in the material conveying pipe, a pollution discharge pipe is arranged at one end of a threaded pipe, and a material guide frame is arranged at the bottom of the material conveying pipe; the device has the beneficial effects that during use, the bearing pressure of the pressure detection module can be adjusted through the pressure setting module, and when the internal pressure of the pressure container reaches a set value, the pressure detection module can open the sealing valve, so that sewage in the pressure container can be discharged through the material conveying pipe; and when the internal pressure of the pressure container is smaller than a set pressure value, the pressure detection module enables the sealing valve to be closed again, so that automatic pollution discharge can be realized by utilizing the internal air pressure effect of the pressure container, and adverse effects caused by improper inspection of personnel and environmental factors are effectively avoided. The automation degree is improved, and meanwhile the labor intensity of workers is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage discharge of pressure vessels, in particular to an automatic sewage discharge device for an aluminum electrolysis pressure vessel. Background Art

[0002] The existing automatic sewage discharge device of aluminum electrolysis pressure vessel is mainly used to discharge the waste slag, sediment and impurities contained in the electrolyte generated in the aluminum electrolysis process, so as to maintain the purity of the electrolyte in the electrolytic cell and the stability of the electrolysis process.

[0003] In the prior art, daily sewage discharge of traditional pressure vessels requires regular operation by maintenance personnel. If sewage is not discharged for a long time, a lot of water will be stored in the pressure vessel and the water content of the compressed air will be high.

[0004] Therefore, the utility model proposes an automatic sewage discharge device for an aluminum electrolysis pressure vessel to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an automatic sewage discharge device for an aluminum electrolysis pressure vessel to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic sewage discharge device for an aluminum electrolysis pressure vessel, the automatic sewage discharge device for an aluminum electrolysis pressure vessel comprising: a pressure vessel, a feed pipe is arranged on the side of the pressure vessel, and a pressure setting module and a pressure detection module are arranged in the feed pipe;

[0007] A threaded pipe, one end of which is provided with a sewage discharge pipe, a material guide frame is provided at the bottom of the material delivery pipe, and a material storage box is provided below the material guide frame.

[0008] Preferably, a sealing valve is provided on the surface of the feed pipe, the sealing valve can seal the inside of the feed pipe, and the pressure detection module can control the sealing valve.

[0009] Preferably, the pressure setting module can set the numerical value of the pressure, and when the pressure value in the pressure container reaches the value set by the pressure setting module, the pressure detection module can open the sealing valve.

[0010] Preferably, a thread groove is provided on the end surface of the conveying pipe, a placement groove is provided in the conveying pipe, and a filter plate is arranged in the placement groove.

[0011] Preferably, the threaded pipe can be screwed into the threaded groove, and a pressing plate is provided in the sewage pipe, and the pressing plate can support and fix the filter plate, and the pressing plate is an annular plate structure.

[0012] Preferably, a second threaded tube is provided at one end of the material guide frame, a positioning nut is threadedly connected to the outer ring surface of the second threaded tube, a sealing bearing is provided on the surface of the positioning nut, and the material storage box is fixedly connected to the surface of the sealing bearing.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses an automatic sewage discharge device for an aluminum electrolytic pressure vessel. When in use, the pressure detection module can be adjusted to withstand the pressure through the pressure setting module. When the internal pressure of the pressure vessel reaches the set value, the pressure detection module can open the sealing valve, so that the sewage inside the pressure vessel can be discharged through the feed pipe. When the internal pressure of the pressure vessel is lower than the set pressure value, the pressure detection module closes the sealing valve again. In this way, the air pressure inside the pressure vessel itself can be used to realize automatic sewage discharge, effectively avoiding the adverse effects caused by inadequate inspection by personnel and environmental factors, improving the degree of automation and reducing the labor intensity of employees. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model when the structure is tilted;

[0017] Figure 3 It is a partial cross-sectional view of the structure of the utility model;

[0018] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. pressure vessel; 2. feed pipe; 3. pressure setting module; 4. pressure detection module; 5. threaded pipe; 6. drain pipe; 7. material guide frame; 8. material storage box; 9. sealing valve; 10. threaded groove; 11. placement groove; 12. filter plate; 13. pressing plate; 14. second threaded pipe; 15. positioning nut; 16. sealed bearing. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0024] Embodiment 1

[0025] See also Figures 1 to 4 The utility model provides a technical solution: an automatic sewage discharge device for an aluminum electrolysis pressure vessel, the automatic sewage discharge device for an aluminum electrolysis pressure vessel comprising: a pressure vessel 1, a feed pipe 2 is arranged on the side of the pressure vessel 1, a pressure setting module 3 and a pressure detection module 4 are arranged in the feed pipe 2; a threaded tube 5, a sewage discharge pipe 6 is arranged at one end of the threaded tube 5, a material guide frame 7 is arranged at the bottom of the feed pipe 2, and a material storage box 8 is arranged below the material guide frame 7;

[0026] When in use, the pressure detection module 4 can be adjusted to withstand pressure through the pressure setting module 3. When the internal pressure of the pressure vessel 1 reaches the set value, the pressure detection module 4 can open the sealing valve 9, so that the sewage inside the pressure vessel 1 can be discharged through the feed pipe 2. When the internal pressure of the pressure vessel 1 is lower than the set pressure value, the pressure detection module 4 closes the sealing valve 9 again. In this way, the air pressure inside the pressure vessel 1 can be used to achieve automatic sewage discharge, effectively avoiding the adverse effects caused by inadequate personnel inspection and environmental factors, improving the degree of automation and reducing the labor intensity of employees.

[0027] Embodiment 2

[0028] On the basis of the first embodiment, in order to facilitate the automatic sewage discharge of the pressure container 1, a pressure detection module 4 is provided, and a sealing valve 9 is provided on the surface of the feed pipe 2. The sealing valve 9 can seal the inside of the feed pipe 2, and the pressure detection module 4 can control the sealing valve 9;

[0029] When the pressure inside the pressure container 1 is high during use, the sealing valve 9 can be opened through the pressure detection module 4, so that the sewage inside the pressure container 1 can be conveniently discharged from the feed pipe 2.

[0030] The pressure setting module 3 can set the numerical value of the pressure. When the pressure value in the pressure vessel 1 reaches the value set by the pressure setting module 3, the pressure detection module 4 can open the sealing valve 9. The pressure setting module 3 can be used to adjust the pressure inside the pressure vessel 1. When the pressure inside the pressure vessel 1 is too high or too low, the pressure detection module 4 can open or close the sealing valve 9 to facilitate the discharge of sewage from the feed pipe 2.

[0031] Embodiment 3

[0032] On the basis of the second embodiment, in order to facilitate the filtration of sewage in the pressure vessel 1, a filter plate 12 is provided, a threaded groove 10 is provided on the end surface of the feed pipe 2, a placement groove 11 is provided in the feed pipe 2, and a filter plate 12 is provided in the placement groove 11;

[0033] When sewage is discharged from the delivery pipe 2 during use, the waste residue in the sewage can be filtered through the filter plate 12 arranged in the delivery pipe 2, so as to facilitate the recovery of valuable electrolytes or aluminum particles and reduce the pressure of subsequent sewage treatment.

[0034] The threaded pipe 5 can be screwed into the threaded groove 10, and a pressing plate 13 is provided in the sewage pipe 6. The pressing plate 13 can support and fix the filter plate 12. The pressing plate 13 is an annular plate structure. The threaded pipe 5 can be screwed into the threaded groove 10 so that the pressing plate 13 can position the filter plate 12 to avoid the problem of the filter plate 12 being separated from the placement groove 11.

[0035] A second threaded tube 14 is provided at one end of the material guide frame 7, and a positioning nut 15 is screwed on the outer ring surface of the second threaded tube 14. A sealing bearing 16 is provided on the surface of the positioning nut 15, and the storage box 8 is fixedly connected to the surface of the sealing bearing 16. The positioning nut 15 can be screwed on the second threaded tube 14 by cooperating with the sealing bearing 16, so that the waste residue blocked by the filter plate 12 in the feed pipe 2 can be conveniently dropped into the storage box 8 by the material guide frame 7 for centralized storage, thereby facilitating subsequent processing.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic sewage discharge device for an aluminum electrolysis pressure vessel, characterized in that: The automatic sewage discharge device for an aluminum electrolysis pressure vessel comprises: a pressure vessel (1), a feed pipe (2) is arranged on the side of the pressure vessel (1), and a pressure setting module (3) and a pressure detection module (4) are arranged in the feed pipe (2); A threaded pipe (5) is provided at one end of the threaded pipe (5), a material guide frame (7) is provided at the bottom of the material delivery pipe (2), and a material storage box (8) is provided below the material guide frame (7).

2. The automatic sewage discharge device for aluminum electrolysis pressure vessel according to claim 1, characterized in that: A sealing valve (9) is provided on the surface of the material conveying pipe (2), and the sealing valve (9) can seal the inside of the material conveying pipe (2), and the pressure detection module (4) can control the sealing valve (9).

3. The automatic sewage discharge device for aluminum electrolysis pressure vessel according to claim 1 is characterized in that: The pressure setting module (3) can set the numerical value of the pressure, and when the pressure value in the pressure container (1) reaches the value set by the pressure setting module (3), the pressure detection module (4) can open the sealing valve (9).

4. The automatic sewage discharge device for aluminum electrolysis pressure vessel according to claim 1, characterized in that: The end surface of the material conveying pipe (2) is provided with a thread groove (10), a placement groove (11) is provided inside the material conveying pipe (2), and a filter plate (12) is arranged inside the placement groove (11).

5. The automatic sewage discharge device for aluminum electrolysis pressure vessel according to claim 1 is characterized in that: The threaded pipe (5) can be threadedly connected in the threaded groove (10), and a pressing plate (13) is arranged in the sewage pipe (6). The pressing plate (13) can press and fix the filter plate (12), and the pressing plate (13) is an annular plate structure.

6. The automatic sewage discharge device for aluminum electrolysis pressure vessel according to claim 1, characterized in that: A second threaded tube (14) is provided at one end of the material guide frame (7), a positioning nut (15) is threadedly connected to the outer ring surface of the second threaded tube (14), a sealing bearing (16) is provided on the surface of the positioning nut (15), and the material storage box (8) is fixedly connected to the surface of the sealing bearing (16).

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