Bright heat treatment device for U-shaped part of high-precision bright solid solution U-shaped pipe for compression energy storage
By designing a U-shaped tube bright heat treatment device, which utilizes a hydrogen environment and heating components to process U-shaped tubes under closed conditions, the problem that existing equipment cannot process closed U-shaped tubes is solved, and a highly efficient bright solution heat treatment effect is achieved.
Patent Information
- Application Number
- CN202511928721.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-19
- Publication Date
- 2026-02-06
AI Technical Summary
Existing solution bright heat treatment equipment cannot effectively process sealed U-tubes, especially high-precision bright solution U-tubes for compression energy storage, which cannot be processed in an oxygen-free environment.
A U-shaped tube bright heat treatment device including a base and a top cover was designed. The device has a bright heat treatment chamber for the U-shaped part of the U-shaped tube, equipped with a hydrogen inlet and a heating component. It uses a hydrogen environment for heat treatment and suspends the U-shaped tube through a lifting ring and a support to form a closed environment with coolant.
It achieves sealed heat treatment of U-shaped tubes in a hydrogen environment, ensuring a bright heat treatment effect on the U-shaped part. It is suitable for single or multiple U-shaped tubes, especially large-sized U-shaped tubes, and improves the airtightness and efficiency of the treatment.
Smart Images

Figure CN121472552A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of stainless steel pipe processing, in particular to a high-precision bright heat treatment device for U-shaped parts of U-shaped solid solution pipes for compressed energy storage. BACKGROUND
[0002] The high-precision bright solid solution U-shaped pipe for compressed energy storage needs to be subjected to solid solution bright heat treatment when generated. The existing solid solution bright heat treatment is mainly aimed at U-shaped pipes in a direct or open manner. There is currently no equipment for solid solution bright heat treatment in a relatively closed environment capable of excluding oxygen. SUMMARY
[0003] The purpose of the present application is to solve the existing technical problems and provide a high-precision bright heat treatment device for U-shaped parts of U-shaped solid solution pipes for compressed energy storage.
[0004] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: the high-precision bright heat treatment device for U-shaped parts of U-shaped solid solution pipes for compressed energy storage comprises a base and an upper cover. The base is provided with a first inner recess in the shape of a U. The outer sides of the left and right side walls of the first inner recess are provided with liquid storage grooves along the direction of the first inner recess. The lower end of the upper cover is provided with a second inner recess. The ends of the left and right side walls of the second inner recess are arranged in the corresponding liquid storage grooves to support the ends of the left and right side walls of the second inner recess through the liquid storage grooves. The first inner recess and the second inner recess form a U-shaped pipe U-shaped part bright heat treatment cavity. The U-shaped pipe U-shaped part bright heat treatment cavity is provided with a hydrogen input hole and a heating assembly.
[0005] Further, the upper end of the upper cover is provided with a lifting ring.
[0006] Further, the center part of the U-shaped pipe U-shaped part bright heat treatment cavity is provided with a hydrogen input hole.
[0007] Further, the first inner recess and the second inner recess corresponding to the U-shaped part of the U-shaped pipe U-shaped part bright heat treatment cavity are provided with a heating assembly.
[0008] Further, the liquid storage grooves are provided with cooling liquid.
[0009] Further, the cooling liquid is water.
[0010] Further, the base is in the shape of a U, the upper cover is in the shape of a U, and the second inner recess corresponds to the first inner recess.
[0011] Further, the lifting ring is at least three triangular shapes arranged at the U-shaped center and both ends of the upper end surface of the upper cover.
[0012] Further, the two ends of the first inner recess are provided with support parts higher than the bottom of the first inner recess. The U-shaped pipe is supported on the support parts so that the U-shaped part of the U-shaped pipe is suspended in the first inner recess.
[0013] The beneficial effect of the present application is that the U-shaped tube can be solution bright heat treated in a hydrogen-rich environment, the U-shaped part of the U-shaped tube can be fully solution bright heat treated, the U-shaped tube U-shaped part bright heat treatment cavity formed has good sealing performance, and single and multiple branches can be operated, and the U-shaped tube with large size can also be used. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 is a structural schematic diagram.
[0015] Fig. 2 is a sectional view.
[0016] Fig. 3 is a base structure schematic diagram.
[0017] 1 is a base; 2 is an upper cover; 3 is a first inner recess; 4 is a second inner recess; 5 is a liquid storage groove; 6 is a U-shaped tube U-shaped part bright heat treatment cavity; 7 is a lifting ring; 8 is a cooling liquid; 9 is a support part; 10 is a notch; 11 is a U-shaped tube. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0019] Embodiment 1 is combined with the accompanying Figs. 1-3 The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage comprises a base 1 and an upper cover 2, the base is provided with a first inner recess 3 in a U shape, the outer sides of the left and right side walls of the first inner recess are provided with liquid storage grooves 5 along the direction of the first inner recess, the lower end part of the upper cover is provided with a second inner recess 4, the ends of the left and right side walls of the second inner recess are arranged in the corresponding liquid storage grooves to support the ends of the left and right side walls of the second inner recess through the liquid storage grooves, the first inner recess and the second inner recess form a U-shaped tube U-shaped part bright heat treatment cavity 6, and the U-shaped tube U-shaped part bright heat treatment cavity is provided with a hydrogen input hole and a heating assembly.
[0020] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage is provided with a lifting ring 7 on the upper end of the upper cover for lifting.
[0021] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage is provided with a hydrogen input hole at the center part of the U-shaped tube U-shaped part bright heat treatment cavity.
[0022] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage is provided with a heating assembly in the first inner recess and the second inner recess corresponding to the U-shaped part of the U-shaped tube U-shaped part bright heat treatment cavity.
[0023] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage is provided with cooling liquid 8 or sealing liquid in the liquid storage tank.
[0024] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage is provided with water as the cooling liquid.
[0025] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage is provided with a U-shaped base and a U-shaped upper cover, and the second inner recess corresponds to the first inner recess.
[0026] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage is provided with at least three triangular-shaped hoisting rings arranged at the U-shaped center and both ends of the upper end surface of the upper cover.
[0027] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage is provided with a support part 9 higher than the bottom of the first inner recess at both ends of the first inner recess, and the U-shaped tube is supported on the support part to make the U-shaped part of the U-shaped tube 11 suspended in the first inner recess. The support part is higher than the liquid level of the liquid storage tank, and a semicircular groove is arranged on the support part. A corresponding sealing block is arranged at one end of the support part beyond the upper cover part, and another semicircular groove is arranged at the lower end of the sealing block to form a circular groove matched with the semicircular groove for the tube wall of both ends of the U-shaped tube.
[0028] The base 1 is provided with a notch 10 at both ends, and the lower end of the notch is higher than the liquid level.
[0029] The liquid storage tank is arranged between the outer side of the support part 9 and the inner side of the notch.
[0030] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage can make the U-shaped tube subjected to solution bright heat treatment in a hydrogen-rich environment, can fully perform solution bright heat treatment on the U-shaped part of the U-shaped tube, has good sealing performance of the U-shaped part bright heat treatment cavity of the U-shaped tube, can be operated on single and multiple branches, and can also be used for large-size U-shaped tubes.
[0031] The high-precision bright solution U-shaped tube U-shaped part bright heat treatment device for compressed energy storage fully utilizes the characteristics of hydrogen, and the hydrogen surrounds the stainless steel U-shaped tube to isolate the reaction of iron and other elements and plays a protective role.
[0032] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A high-precision bright solution-treated U-shaped tube for compressed energy storage, comprising a base and a top cover, characterized in that: The base has a first U-shaped recess, and the outer sides of the left and right sidewalls of the first recess have liquid storage tanks along the direction of the first recess. The lower end of the upper cover has a second recess, and the ends of the left and right sidewalls of the second recess are set in the corresponding liquid storage tanks. The liquid storage tanks support the ends of the left and right sidewalls of the second recess. The first recess and the second recess form a U-shaped tube U-shaped section bright heat treatment cavity. The U-shaped tube U-shaped section bright heat treatment cavity is provided with a hydrogen inlet and a heating component.
2. The high-precision bright solution-treated U-shaped tube for compressed energy storage according to claim 1, characterized in that: The top of the cover is equipped with a lifting ring for hoisting and lifting.
3. The high-precision bright solution-treated U-shaped tube for compressed energy storage according to claim 2, characterized in that: A hydrogen inlet is located in the center of the bright heat treatment chamber of the U-shaped section of the U-tube.
4. The high-precision bright solution-treated U-shaped tube for compressed energy storage according to claim 3, characterized in that: Heating components are provided in the first and second recesses corresponding to the U-shaped section of the U-shaped tube's bright heat treatment cavity.
5. The high-precision bright solution-treated U-shaped tube for compressed energy storage according to claim 4, characterized in that: The reservoir contains coolant.
6. The high-precision bright solution-treated U-shaped tube for compressed energy storage according to claim 5, characterized in that: The coolant is water.
7. The high-precision bright solution-treated U-shaped tube for compressed energy storage according to claim 2, characterized in that: The base is U-shaped, the top cover is U-shaped, and the second concave part corresponds to the first concave part.
8. The high-precision bright solution-treated U-shaped tube for compressed energy storage according to claim 7, characterized in that: The lifting rings are at least three triangular in shape, located at the center and both ends of the U-shape on the upper surface of the cover.
9. The high-precision bright solution-treated U-shaped tube for compressed energy storage according to claim 1, characterized in that: Supporting parts are provided at both ends of the first concave section, which are higher than the bottom of the first concave section. The U-shaped tube is supported on the supporting parts, so that the U-shaped part of the U-shaped tube is suspended in the first concave section.