Medicament adding pipe device suitable for storage tank and capable of being detached and replaced with materials

Abstract

The utility model discloses an agent adding pipe device suitable for a storage tank and capable of being detached and replaced with materials. The agent adding pipe device comprises a tank body pipe opening connecting pipe assembly and an adding pipe assembly. The tank body pipe opening connecting pipe assembly comprises a storage tank cut-off valve, the inner side of the storage tank cut-off valve is connected with a storage tank pipe opening, the outer side of the storage tank cut-off valve is sequentially connected with a transition pipe and a blind flange, the transition pipe is provided with a flushing valve, and the side, away from the transition pipe, of the blind flange is connected with a single-head internal thread connector. The feeding pipe assembly comprises a seamless steel pipe and a plastic pipe, and the outer end of the plastic pipe is connected with a full-plastic valve and a plastic quick connector; by means of the optimized and improved design of the product, the device achieves chemical feeding in the operation storage tank, and compared with a corrosion-resistant special metal pipe or a plastic-lined steel pipe, the chemical feeding device is simpler in structure, lower in cost and more convenient to install, replace and replace. And therefore, the beneficial effects of more effectively protecting the equipment, prolonging the service life of the equipment and improving the production efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical agent dosing pipes, and more specifically, to a chemical agent dosing pipe device applicable to storage tanks that can be disassembled and replaced with materials. Background Art

[0002] In actual industrial projects, especially in environmental protection industry projects such as water treatment, chemicals usually need to be dosed according to the production and operation requirements.

[0003] However, some chemicals have strong corrosive or destructive effects on steel equipment and facilities (the chemicals have no corrosive effect or the corrosive effect is reduced to a very low level after being diluted or reacted with the materials in the storage tank), for example, they have strong corrosive or destructive effects on steel equipment and facilities such as agitator blades and equipment nozzles, seriously reducing the service life of the equipment and also causing many inconveniences to the chemical dosing process.

[0004] Generally, corrosion-resistant plastic pipes can be used for the transportation of chemicals, but for equipment and facilities that are not suitable for direct contact with high-concentration corrosive chemicals, especially in the transformation of operating equipment and other links, there is currently no relatively simple and feasible solution. Summary of the Utility Model

[0005] In view of the above technical problems in the dosing of corrosive chemicals for steel storage tank equipment in the related art, the utility model proposes a chemical agent dosing pipe device applicable to storage tanks that can be disassembled and replaced with materials, which can overcome the above deficiencies of the prior art.

[0006] To achieve the above technical objectives, the technical solution of the utility model is realized as follows:[[]]

[0007] A chemical agent dosing pipe device applicable to storage tanks that can be disassembled and replaced with materials;

[0008] The chemical agent dosing pipe device applicable to storage tanks that can be disassembled and replaced with materials includes a tank body nozzle connection component and a dosing pipe component passing through the tank body nozzle connection component;

[0009] The tank body nozzle connection component includes a storage tank cut-off valve connected to the storage tank nozzle on the inner side, a transition pipe and a blind flange are sequentially connected to the outer side of the storage tank cut-off valve, a flushing valve is arranged on the transition pipe, and a single-end female screw joint is connected to the side of the blind flange away from the transition pipe;

[0010] The dosing pipe component includes a seamless steel pipe passing through the single-end female screw joint and a plastic pipe tightly sleeved inside the seamless steel pipe, and a fully plastic valve and a plastic quick connector are connected to the outer end of the plastic pipe.

[0011] Further, the seamless steel pipe and the single-end female threaded joint are hermetically fixed through a first male threaded ferrule joint, and a conical washer for clamping and sealing is provided inside the first male threaded ferrule joint.

[0012] Further, the inner diameter of the pipe orifice of the storage tank nozzle is greater than or equal to the outer diameter of the seamless steel pipe.

[0013] Further, a single-end male threaded joint, an internal and external thread reducer joint, an isolation valve, and a second male threaded ferrule joint are sequentially connected and arranged on the side of the seamless steel pipe away from the blind flange.

[0014] Further, the plastic pipe and the isolation valve are hermetically fixed through a second male threaded ferrule joint, and a conical washer for clamping and sealing is provided inside the second male threaded ferrule joint.

[0015] Further, the isolation valve is a full-bore valve, and the inner bore diameter of the isolation valve is greater than or equal to the outer diameter of the plastic pipe.

[0016] Further, the seamless steel pipe extends into the storage tank through the storage tank nozzle, and the penetration length is L1; the plastic pipe is sleeved inside the seamless steel pipe, and the protruding length is L2; the length of the transition pipe is L3, and L3 is greater than or equal to L2.

[0017] Further, the storage tank cut-off valve is a gate valve or a ball valve with a suitable diameter, and the types of the quick connectors corresponding to the flushing valve with a quick connector and the plastic quick connector are adapted to the types of the pipelines connected.

[0018] Further, the storage tank nozzle is fixedly connected to the storage tank, and the plastic quick connector is detachably connected to the chemical agent delivery pipeline.

[0019] The beneficial effects of the present utility model: Through the optimized and improved design of the products of the present utility model, the device can be repaired and maintained with materials, and the chemical agent can be added to the operating storage tank. Compared with using corrosion-resistant special metal pipes or plastic-lined steel pipes, the structure of the present utility model is simpler, the cost is lower, and the installation and replacement are more convenient; it has a good application effect in the field of adding corrosive chemicals (such as chlorides) to storage tank equipment; furthermore, it can achieve the beneficial effects of more effectively protecting the equipment, extending the service life of the equipment, and improving production efficiency. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of a chemical agent dosing pipe device that can be disassembled and replaced with material for a storage tank according to an embodiment of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the connection part of the tank body nozzle of a chemical agent dosing pipe device that can be disassembled and replaced with material for a storage tank according to an embodiment of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the dosing pipe part of a chemical agent dosing pipe device that can be disassembled and replaced with material for a storage tank according to an embodiment of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure in a simple state of a chemical agent dosing pipe device that can be disassembled and replaced with material for a storage tank with some components missing according to an embodiment of the present invention;

[0025] In the figure: 1. Storage tank; 2. Storage tank nozzle; 3. Storage tank cut-off valve; 4. Transition pipe; 5. Flushing valve with quick connector; 6. Blind flange; 7. Single-end female thread joint; 8. First male thread ferrule joint; 9. Tapered washer; 10. Seamless steel pipe; 11. Single-end male thread joint; 12. Male and female thread reducer joint; 13. Isolation valve; 14. Second male thread ferrule joint; 15. Plastic pipe; 16. All-plastic valve; 17. Plastic quick connector. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present invention.

[0027] It should be understood that in the description of the embodiments of the present utility model, the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the embodiments of 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 operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the embodiments of the present utility model, the meaning of "several" is two or more, unless otherwise specifically defined.

[0028] As Figures 1-4 shown, a chemical dosing pipe device applicable to a storage tank and capable of replacing materials with the material in the tank, according to an embodiment of the present utility model, includes a tank body nozzle connection assembly and a dosing pipe assembly passing through the tank body nozzle connection assembly;

[0029] The tank body nozzle connection assembly includes a storage tank cut-off valve 3 whose inner side is connected to the storage tank nozzle 2. The outer side of the storage tank cut-off valve 3 is sequentially connected with a transition pipe 4 and a blind flange 6. A flushing valve 5 is arranged on the transition pipe 4. One side of the blind flange 6 away from the transition pipe 4 is connected with a single-head female screw joint 7;

[0030] The dosing pipe assembly includes a seamless steel pipe 10 passing through the single-head female screw joint 7 and a plastic pipe 15 tightly sleeved inside the seamless steel pipe 10. The outer end of the plastic pipe 15 is connected with a fully plastic valve 16 and a plastic quick joint 17.

[0031] In some specific embodiments, the seamless steel pipe 10 and the single-head female screw joint 7 are hermetically fixed through a first male screw ferrule joint 8, and a tapered washer 9 for clamping and sealing is arranged inside the first male screw ferrule joint 8.

[0032] In some specific embodiments, the inner diameter of the nozzle of the storage tank nozzle 2 is greater than or equal to the outer diameter of the seamless steel pipe 10.

[0033] In some specific embodiments, one side of the seamless steel pipe 10 away from the blind flange 6 is sequentially connected with a single-head male screw joint 11, an internal and external thread reducer joint 12, an isolation valve 13 and a second male screw ferrule joint 14.

[0034] In some specific embodiments, the plastic pipe 15 and the isolation valve 13 are hermetically fixed through a second external thread ferrule joint 14, and a conical washer 9 for clamping and sealing is provided inside the second external thread ferrule joint 14.

[0035] In some specific embodiments, the isolation valve 13 is a full-bore valve, and the inner bore diameter of the isolation valve 13 is greater than or equal to the outer diameter of the plastic pipe 15.

[0036] In some specific embodiments, the seamless steel pipe 10 extends into the storage tank through the storage tank nozzle 2, and the penetration length is L1; the plastic pipe 15 is sleeved inside the seamless steel pipe 10, and the protruding length is L2; the length of the transition pipe 4 is L3, and L3 is greater than or equal to L2.

[0037] In some specific embodiments, the storage tank cut-off valve 3 is a gate valve or a ball valve with a suitable diameter, and the types of the quick connectors of the flushing valve 5 with a quick connector and the plastic quick connector 17 are adapted to the types of the pipelines to be connected.

[0038] In some specific embodiments, the storage tank nozzle 2 is fixedly connected to the storage tank 1, and the plastic quick connector 17 is detachably connected to the chemical agent delivery pipeline.

[0039] To facilitate the understanding of the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail below through the working principle and specific usage methods.

[0040] A chemical agent dosing pipe device applicable to a storage tank and capable of replacing the material while in use according to the present invention includes a tank nozzle connection component (structural reference Figure 2 ) and a dosing pipe component (structural reference Figure 3 ), and the dosing pipe component is inserted into the tank nozzle connection component (structural reference attached Figure 1 ).

[0041] In the tank nozzle connection component, the storage tank cut-off valve 3 is connected to the storage tank nozzle 2, one end of the transition pipe 4 is connected to the storage tank cut-off valve 3, the other end of the transition pipe 4 is paired and connected to a blind flange 6, a flushing valve 5 with a quick connector is arranged on the transition pipe 4, and one side of the blind flange 6 away from the transition pipe 4 is connected to a single-end female thread joint 7 through drilling.

[0042] In the dosing pipe assembly, the plastic pipe 15 is closely sleeved inside the seamless steel pipe 10, and the annular gap between the plastic pipe 15 and the pipe body of the seamless steel pipe 10 is set as small as possible; the outer end of the seamless steel pipe 10 is sequentially connected and combined with a single-end external thread joint 11, an internal and external thread reducer joint 12, an isolation valve 13, and a second external thread ferrule joint 14; the outer end of the plastic pipe 15 is connected to a fully plastic valve 16 and a plastic quick connector 17. The specifications and types of the plastic quick connector 17 match the chemical agent delivery pipe and are connected through a hose, facilitating the quick detachment and replacement of the dosing pipe device; the seamless steel pipe 10 is hermetically fixed through a first external thread ferrule joint 8, and the plastic pipe 15 is hermetically fixed through a second external thread ferrule joint 14. Conical washers 9 are provided inside both the first external thread ferrule joint 8 and the second external thread ferrule joint 14.

[0043] The storage tank cut-off valve 3 is a large-diameter valve, not limited to gate valves or ball valves, etc.; the quick connector types corresponding to the flushing valve 5 with a quick connector and the plastic quick connector 17 are determined according to the types of the connected pipes, not limited to Green connectors or lever types; the plastic quick connector 17 is connected to the chemical agent delivery pipe through a hose.

[0044] The length L1 of the dosing pipe extending into the storage tank is determined according to the strength of the seamless steel pipe 10 and the position where the chemical agent needs to be dosed in the storage tank; the length of the plastic pipe 15 extending into the tank is L2 more than that of the seamless steel pipe 10 to prevent the highly concentrated chemical agent being dosed from directly contacting the seamless steel pipe 10; the length L3 of the transition pipe 4 needs to be greater than L2 for buffering and isolation during the installation or replacement of the dosing pipe part.

[0045] During use, after the tank nozzle connection assembly and the dosing pipe assembly are both assembled, the storage tank cut-off valve 3 is closed, the isolation valve 13 is opened, and the fully plastic valve 16 is closed; the front end of the dosing pipe assembly is extended into the transition pipe 4 and pre-fixed through the first external thread ferrule joint 8; a protective medium is introduced through the flushing valve 5 with a quick connector. The protective medium should not affect the operating parameters inside the storage tank and provide a pressure not less than the internal pressure of the storage tank at the tank nozzle 2; slowly open the storage tank cut-off valve 3, the protective medium holds back the outflow of the materials inside the tank, and at the same time, continue to push the dosing pipe assembly to the required length and position extending into the storage tank 1, and then lock the first external thread ferrule joint 8; after the dosing pipe assembly is connected to the chemical agent delivery pipe, the fully plastic valve 16 can be opened to dose the chemical agent into the storage tank 1.

[0046] In summary, by means of the above technical solutions of the present utility model, through the optimized and improved design of the products of the present utility model, the device can be maintained with materials, and the chemical agent can be added to the operating storage tank. Compared with the use of special corrosion-resistant metal pipes or plastic-lined steel pipes, the structure of the present utility model is simpler, the cost is lower, and the installation and replacement are more convenient; it has a good application effect in the field of adding corrosive chemical agents (such as chlorides) to storage tank equipment; thereby achieving the beneficial effects of more effectively protecting equipment, extending the service life of equipment, and improving production efficiency.

[0047] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A medicament dosing pipe device suitable for a storage tank and capable of being disassembled and replaced with materials, characterized in that: It includes a tank body pipe mouth connecting pipe assembly and a dosing pipe assembly inserted into the tank body pipe mouth connecting pipe assembly; The tank body pipe mouth connecting pipe assembly comprises a tank shut-off valve (3) whose inner side is connected to the tank pipe mouth (2); the outer side of the tank shut-off valve (3) is connected in sequence to a transition pipe (4) and a blind flange (6); a flushing valve (5) is provided on the transition pipe (4); and a single-end female thread connector (7) is connected to the side of the blind flange (6) away from the transition pipe (4); The injection pipe assembly comprises a seamless steel pipe (10) passing through the single-end internal thread joint (7) and a plastic pipe (15) tightly sleeved inside the seamless steel pipe (10), wherein the outer end of the plastic pipe (15) is connected to a fully plastic valve (16) and a plastic quick connector (17).

2. The detachable and replaceable reagent dosing pipe device for a storage tank according to claim 1, characterized in that: The seamless steel pipe (10) and the single-end internal thread joint (7) are sealed and fixed via a first external thread ferrule joint (8), and a conical gasket (9) for clamping and sealing is provided inside the first external thread ferrule joint (8).

3. The detachable and replaceable reagent dosing pipe device for a storage tank according to claim 1, characterized in that: The inner diameter of the pipe opening of the storage tank (2) is greater than or equal to the outer diameter of the seamless steel pipe (10).

4. The detachable and replaceable reagent dosing pipe device for a storage tank according to claim 1, characterized in that: A single-end external thread joint (11), an internal and external thread reducer (12), an isolation valve (13) and a second external thread ferrule joint (14) are sequentially connected to the side of the seamless steel pipe (10) away from the blind flange (6).

5. The detachable and replaceable reagent dosing pipe device for a storage tank according to claim 4, characterized in that: The plastic pipe (15) and the isolation valve (13) are sealed and fixed via a second external thread ferrule joint (14), and a conical gasket (9) for clamping and sealing is provided inside the second external thread ferrule joint (14).

6. The detachable and replaceable reagent dosing pipe device for a storage tank according to claim 4, characterized in that: The isolation valve (13) is a full-diameter valve, and the inner diameter of the isolation valve (13) is greater than or equal to the outer diameter of the plastic pipe (15).

7. The detachable and replaceable reagent dosing pipe device for a storage tank according to claim 1, characterized in that: The seamless steel pipe (10) penetrates into the storage tank through the storage tank pipe opening (2), and the penetration length is L1; the plastic pipe (15) is sleeved in the seamless steel pipe (10), and the extension length is L2; ​​the transition pipe (4) has a length of L3, and L3 is greater than or equal to L2.

8. The detachable and replaceable reagent dosing pipe device for a storage tank according to claim 1, characterized in that: The tank shut-off valve (3) is a gate valve or a ball valve with a suitable diameter, the quick connector type of the flushing valve (5) with a quick connector is suitable for the interface type of the pipe connected thereto, and the quick connector type of the plastic quick connector (17) is suitable for the interface type of the pipe connected thereto.

9. A medicament dosing pipe device suitable for a storage tank and detachable with material according to any one of claims 1 to 8, characterized in that: The storage tank pipe mouth (2) is fixedly connected to the storage tank (1), and the plastic quick connector (17) is detachably connected to the medicine delivery pipeline.

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