A corrosion-resistant transportation pipeline for chemical liquid raw materials

Abstract

The utility model discloses an anti-corrosion conveying pipeline for chemical liquid raw materials, belonging to the field of pipeline equipment technology. It comprises an outer protective tube, the inner cavity of the outer protective tube is sleeved with an epoxy resin anti-corrosion tube, and both ends of the outer protective tube are provided with fixing components, the fixing components can suspend and fix the epoxy resin anti-corrosion tube in the middle of the inner cavity of the outer protective tube, and the fixing components and the epoxy resin anti-corrosion tube are fixedly arranged through. After adopting the above technical scheme, the utility model has the following advantages compared with the prior art: cooling water is filled into the inner cavity of the outer protective tube, and the cooling water can carry out constant temperature conveying of the chemical liquid raw materials in the epoxy resin anti-corrosion tube, so as to prevent the chemical liquid raw materials from causing safety hazards due to excessively high temperature during the conveying process.

Description

Technical Field

[0001] The utility model relates to an anti-corrosion conveying pipeline for chemical liquid raw materials, belonging to the technical field of pipeline equipment. Background Art

[0002] With the continuous development and progress of science and technology, the types of pipelines are increasing day by day. With the continuous development of industry, the application of large-scale pipelines such as water, oil, and gas in the chemical production process is also increasing. The quality requirements of pipelines are high, especially the corrosion resistance of pipelines is quite high. Anti-corrosion pipelines are pipelines that adopt pipeline anti-corrosion measures. Pipeline anti-corrosion measures refer to measures to slow down or prevent pipelines from being corroded and deteriorated under the chemical and electrochemical effects of internal and external media or by the metabolic activities of microorganisms. At present, the existing anti-corrosion pipelines on the market have an anti-corrosion layer on the inner wall of the pipeline, and the anti-corrosion layer in this structural pipeline is easy to fall off as a whole, and only has a single anti-corrosion function, and the anti-corrosion effect is poor. In addition, most pipelines in chemical production need to transport dangerous chemical products, and the simple anti-corrosion function cannot meet the needs of chemical safety production.

[0003] In summary, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a chemical liquid raw material anti-corrosion conveying pipeline with anti-corrosion and protection functions in view of the above shortcomings.

[0005] An optimization scheme, a chemical liquid raw material anti-corrosion conveying pipeline, including an outer protective tube, the inner cavity of the outer protective tube is sleeved with an epoxy resin anti-corrosion tube, both ends of the outer protective tube are provided with fixing components, the fixing components can suspend and fix the epoxy resin anti-corrosion tube in the middle of the inner cavity of the outer protective tube, and the fixing components and the epoxy resin anti-corrosion tube are fixedly arranged through.

[0006] Furthermore, the fixing component includes a tapered tube, an outer fixing ring and an inner fixing tube. The tapered tube is fixedly sleeved in the inner cavities at both ends of the outer protective tube, the outer fixing ring is fixedly arranged on the outer edge of the mouth of the tapered tube, and the inner fixing tube is fixedly arranged on the bottom mouth of the tapered tube.

[0007] Furthermore, the bottom of the conical tube is arranged in the inner cavity of the outer protective tube, and the outer fixing ring is fixedly and closedly connected to the mouth of the outer protective tube.

[0008] Furthermore, the inner fixing tube is fixedly arranged with the epoxy resin anti-corrosion tube set.

[0009] Furthermore, a closed ring is provided at the mouth of the tapered tube, and an outer fixed ring is fixedly arranged on the upper part of the closed ring.

[0010] Furthermore, the outer wall of the closed ring is tightly fitted with the inner wall of the outer protective tube.

[0011] Furthermore, a check valve is provided at the bottom of the side wall at one end of the outer protection tube, and an exhaust valve is provided at the upper part of the side wall at the other end of the outer protection tube.

[0012] Furthermore, a drain valve is provided at the bottom of the side wall of one end of the outer protection tube close to the exhaust valve.

[0013] Compared with the prior art, the utility model has the following advantages after adopting the above technical solution:

[0014] The cooling water is filled into the inner cavity of the outer protective tube. The cooling water can transport the chemical liquid raw materials in the epoxy resin anti-corrosion tube at a constant temperature to prevent the chemical liquid raw materials from causing safety hazards due to excessively high temperature during transportation.

[0015] Figure 1 This is a schematic diagram of the cross-sectional structure of a corrosion-resistant conveying pipeline for chemical liquid raw materials of the utility model;

[0016] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure of local A;

[0017] In the figure, 1-external protective tube, 2-epoxy resin anti-corrosion tube, 3-fixing component, 4-conical tube, 5-external fixing ring, 6-inner fixing tube, 7-closing ring, 8-check valve, 9-exhaust valve, 10-drain valve. DETAILED DESCRIPTION

[0018] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "top surface", "bottom surface" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the positions or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limitations of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] Examples, such as Figure 1 and 2 As shown, the utility model provides a chemical liquid raw material anti-corrosion conveying pipeline, including an outer protective tube 1, the inner cavity of the outer protective tube 1 is sleeved with an epoxy resin anti-corrosion tube 2, and both ends of the outer protective tube 1 are provided with fixing components 3, the fixing components 3 can suspend and fix the epoxy resin anti-corrosion tube 2 in the middle of the inner cavity of the outer protective tube 1, and the fixing components 3 and the epoxy resin anti-corrosion tube 2 are fixedly arranged through.

[0022] The fixing component 3 includes a tapered tube 4, an outer fixing ring 5 and an inner fixing tube 6. The tapered tube 4 is fixedly sleeved in the inner cavities at both ends of the outer protective tube 1, the outer fixing ring 5 is fixedly arranged on the outer edge of the mouth of the tapered tube 4, and the inner fixing tube 6 is fixedly arranged on the bottom mouth of the tapered tube 4.

[0023] The bottom of the conical tube 4 is arranged in the inner cavity of the outer protection tube 1 , and the outer fixing ring 5 is fixedly and closedly connected to the mouth of the outer protection tube 1 .

[0024] The inner fixing tube 6 is fixedly mounted on the epoxy resin anti-corrosion tube 2 .

[0025] Both ends of the epoxy resin anti-corrosion pipe 2 are arranged outside the inner cavity of the tapered pipe 4 .

[0026] The mouth of the tapered tube 4 is provided with a closed ring 7 , and the outer fixed ring 5 is fixedly arranged on the upper part of the closed ring 7 .

[0027] The outer wall of the closed ring 7 is tightly fitted to the inner wall of the outer protective tube 1 .

[0028] A check valve 8 is provided at the bottom of the side wall of one end of the outer protection tube 1 , and an exhaust valve 9 is provided at the upper part of the side wall of the other end of the outer protection tube 1 .

[0029] A drain valve 10 is provided at the bottom of the side wall of one end of the outer protection tube 1 close to the exhaust valve 9 .

[0030] The working principle of this utility model:

[0031] The check valve 8 allows cooling water to flow into the inner cavity of the outer protection tube 1. The cooling water can transport the chemical liquid raw materials in the epoxy resin anti-corrosion tube 2 at a constant temperature to prevent the chemical liquid raw materials from causing safety hazards due to excessive temperature during transportation. When the cooling water is filled into the inner cavity of the outer protection tube 1, the air in the outer protection tube 1 is discharged through the exhaust valve 9. When the cooling water needs to be replaced, the drain valve 10 is opened and the cooling water is discharged from the drain valve 10.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that an article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such article or device. In the absence of further restrictions, the elements defined by the sentence "comprising a ..." do not exclude the existence of other identical elements in the article or device including the above elements.

[0033] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A chemical liquid raw material anti-corrosion pipeline, characterized by: The invention comprises an outer protective tube (1), wherein an epoxy resin anti-corrosion tube (2) is sleeved in the inner cavity of the outer protective tube (1), and fixing components (3) are provided at both ends of the outer protective tube (1). The fixing components (3) can suspend and fix the epoxy resin anti-corrosion tube (2) in the middle of the inner cavity of the outer protective tube (1), and the fixing components (3) and the epoxy resin anti-corrosion tube (2) are fixedly arranged through each other.

2. The anti-corrosion pipeline for transporting chemical liquid raw materials according to claim 1, characterized in that: The fixing component (3) comprises a conical tube (4), an outer fixing ring (5) and an inner fixing tube (6); the conical tube (4) is fixedly sleeved in the inner cavities at both ends of the outer protective tube (1); the outer fixing ring (5) is fixedly arranged on the outer edge of the mouth of the conical tube (4); and the inner fixing tube (6) is fixedly arranged on the bottom mouth of the conical tube (4).

3. The anti-corrosion pipeline for transporting chemical liquid raw materials according to claim 2 is characterized by: The bottom of the conical tube (4) is arranged in the inner cavity of the outer protective tube (1), and the outer fixing ring (5) is fixedly and closedly connected to the mouth of the outer protective tube (1).

4. The anti-corrosion pipeline for transporting chemical liquid raw materials according to claim 2 is characterized by: The inner fixing tube (6) is fixedly mounted on the epoxy resin anti-corrosion tube (2).

5. The anti-corrosion pipeline for transporting chemical liquid raw materials according to claim 2 is characterized by: The mouth of the conical tube (4) is provided with a closed ring (7), and the outer fixed ring (5) is fixedly arranged on the upper part of the closed ring (7).

6. The anti-corrosion pipeline for transporting chemical liquid raw materials according to claim 5, characterized in that: The outer wall of the closed ring (7) is arranged to fit tightly against the inner wall of the outer protective tube (1).

7. The anti-corrosion conveying pipeline for chemical liquid raw materials according to claim 1, characterized in that: A check valve (8) is provided at the bottom of the side wall at one end of the outer protection tube (1), and an exhaust valve (9) is provided at the upper portion of the side wall at the other end of the outer protection tube (1).

8. The anti-corrosion pipeline for transporting chemical liquid raw materials according to claim 7, characterized in that: A drain valve (10) is provided at the bottom of the side wall of one end of the outer protection tube (1) close to the exhaust valve (9).

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