Pressure resistance test tool for floating head heat exchanger tube head
By designing a floating-head heat exchanger pipe head pressure test tooling including tooling flanges, equipment flanges, sealing gaskets and O-type sealing rings, the floating-head heat exchanger pipe head pressure test tooling has been solved with a wide variety of floating-head heat exchanger pipe head pressure test tooling and The problem of difficult assembly achieves operation simplification, accuracy guarantee and cost savings.
Patent Information
- Application Number
- CN202420908796.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The pressure test tooling for floating head heat exchanger pipe heads is diverse in types, complex in structure, and different in specifications. It is difficult to assemble and costly. Conventional manufacturers have large workloads for suppression and leaks, poor processing quality, poor appearance, and manpower. A lot of waste of material resources.
A floating-head heat exchanger pipe head pressure test tooling including tooling flanges, equipment flanges, sealing gaskets, tooling shells and O-type sealing rings is designed. It is fastened and sealed by bolts and sealing gaskets and O-type sealing. The combination of rings forms a confined space, simplifies the operation process, fixes and clamps the tube plates, and ensures sealing performance.
It simplifies the pressure operation, improves the equipment accuracy, saves manpower and material resources and manufacturing costs, meets the process requirements of the take-over and flange sets of pressure vessel manufacturing, and reduces leakage risks.
Smart Images
Figure CN222144445U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a pressure test tool, in particular to a pressure test tool for a floating head type heat exchanger tube head. Background Art
[0002] There are many types of pressure test fixtures for the tube heads of floating head heat exchangers, with complex and diverse structures, different forms, and different specifications. They are difficult to assemble, costly, and have no unified standards, making them inconvenient to use in the long term. For conventional heat exchanger manufacturers, the pressure test of floating head heat exchangers is labor-intensive and prone to leakage, which requires high experience and skills of the pressure test personnel. The pressure test is troublesome and the process is cumbersome; the processing quality is not guaranteed and the appearance is poor; there is a lot of waste of manpower and material resources, and the manufacturing cost is high. Utility Model Content
[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a floating head heat exchanger tube head pressure test fixture, which effectively solves the problems of floating head heat exchanger tube head pressure test fixtures of various types, complex and diverse structural types, different forms, different specifications, high difficulty in assembly, high cost, no unified standards, and inconvenience in long-term use. For conventional heat exchanger manufacturers, the pressure test of floating head heat exchangers is labor-intensive and prone to leakage, and the experience level and skills of the pressure test personnel are relatively high. The pressure test is troublesome and the process is cumbersome; the processing quality is not guaranteed and the appearance is poor; there is a lot of waste of manpower and material resources, and the manufacturing cost is high.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model includes a floating head heat exchanger tube head for pressure resistance test, and also includes a tooling flange, a first equipment flange, a sealing gasket, a first tooling shell, a second equipment flange, a floating head tooling flange, a second tooling shell and an O-ring. The tooling flange and the first equipment flange are respectively arranged on the inner and outer sides of the end of the floating head heat exchanger tube head, the first tooling shell is arranged on the inner side of the first equipment flange, the second equipment flange is arranged on the end of the floating head heat exchanger tube head, the second tooling shell is arranged at the bottom of the outer side of the second equipment flange, and the floating head tooling flange is arranged at the end of the outer side of the second tooling shell.
[0005] Preferably, the tooling flange and the first equipment flange are fastened by bolts.
[0006] Preferably, a sealing gasket is provided on the inner side of the first equipment flange and the inner side of the tube head end of the floating head heat exchanger.
[0007] Preferably, the tooling flange is served by the pipe box flange of the heat exchanger itself.
[0008] Preferably, the tooling flange is manufactured according to the specifications and models of the heat exchanger.
[0009] Preferably, an O-ring is provided at the intersection of the second equipment flange, the second tooling shell and the end of the floating head heat exchanger tube head.
[0010] Beneficial effects: When the utility model is used, the tooling flange can be used as the pipe box flange of the heat exchanger itself, or it can be made according to the specifications of the heat exchanger. The tooling flange and the first equipment flange are fastened by bolts to clamp the fixed end tube sheet of the floating head heat exchanger tube head; the second equipment flange at the other end and the floating head tooling flange, the second tooling shell, and the O-ring clamp the floating end tube sheet of the floating head heat exchanger tube head, thereby forming a closed space without hindering the observation of the leakage of the tube head. The utility model has a novel structure and an ingenious conception. It simplifies the operation process of the traditional floating head heat exchanger tube head pressing work, ensures the accuracy of the equipment, saves manpower and material resources, further saves manufacturing costs, and meets the process requirements of the pipe connection and flange assembly in the pressure vessel manufacturing process. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Numbers in the figure: 1. tooling flange; 2. first equipment flange; 3. sealing gasket; 4. first tooling shell; 5. second equipment flange; 6. floating head tooling flange; 7. second tooling shell; 8. O-ring. DETAILED DESCRIPTION
[0014] The following is combined with Figure 1 The specific implementation modes of the present utility model are further described in detail.
[0015] Embodiment 1, by Figure 1 The utility model provides a floating heat exchanger tube head pressure test tooling, including a floating heat exchanger tube head for pressure test, and also includes a tooling flange 1, a first equipment flange 2, a sealing gasket 3, a first tooling shell 4, a second equipment flange 5, a floating tooling flange 6, a second tooling shell 7 and an O-ring 8. The tooling flange 1 and the first equipment flange 2 are respectively arranged on the inner and outer sides of the floating heat exchanger tube head end, the first tooling shell 4 is arranged on the inner side of the first equipment flange 2, the second equipment flange 5 is arranged on the end of the floating heat exchanger tube head, the second tooling shell 7 is arranged at the bottom of the outer side of the second equipment flange 5, and the floating tooling flange 6 is arranged on the outer end of the second tooling shell 7.
[0016] The tooling flange 1 and the first equipment flange 2 are fastened by bolts, so that the tooling flange 1 and the first equipment flange 2 can clamp the fixed end tube sheet of the floating head heat exchanger tube head.
[0017] A sealing gasket 3 is provided inside the first equipment flange 2 and the end of the floating head heat exchanger tube head to improve the sealing performance of the inner connection.
[0018] The tooling flange 1 is served by the pipe box flange of the heat exchanger itself, which is convenient for the use of the tooling flange 1.
[0019] The tooling flange 1 is manufactured according to the specifications and models of the heat exchanger, so as to facilitate the manufacture and use of the tooling flange 1 .
[0020] An O-ring 8 is provided at the intersection of the second equipment flange 5, the second tooling shell 7 and the end of the floating head heat exchanger tube head to facilitate sealing.
[0021] Working principle: When the utility model is used, the tooling flange 1 can be used as the pipe box flange of the heat exchanger itself, or it can be made according to the specifications of the heat exchanger. The tooling flange 1 and the first equipment flange 2 are fastened by bolts to clamp the fixed end tube sheet of the floating head heat exchanger tube head; the second equipment flange 5 at the other end and the floating head tooling flange 6, the second tooling shell 7, and the O-ring 8 clamp the floating end tube sheet of the floating head heat exchanger tube head, thereby forming a closed space, while not hindering the observation of the leakage of the tube head.
[0022] Beneficial effects: The utility model has a novel structure and ingenious conception. It simplifies the operation process of the traditional floating head heat exchanger tube head pressurization work, ensures the accuracy of the equipment, saves manpower and material resources, further saves manufacturing costs, and meets the process requirements of the pipe and flange assembly in the pressure vessel manufacturing process.
[0023] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.
[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A floating head heat exchanger tube head pressure test tool, comprising a floating head heat exchanger tube head for pressure test, characterized in that: It also comprises a tooling flange (1), a first equipment flange (2), a sealing gasket (3), a first tooling shell (4), a second equipment flange (5), a floating head tooling flange (6), a second tooling shell (7) and an O-ring (8); the tooling flange (1) and the first equipment flange (2) are respectively arranged on the inner and outer sides of the pipe head end of the floating head type heat exchanger; the first tooling shell (4) is arranged on the inner side of the first equipment flange (2); the second equipment flange (5) is arranged on the bottom of the outer side of the second equipment flange (5); and the floating head tooling flange (6) is arranged on the outer end of the second tooling shell (7).
2. A floating head heat exchanger tube head pressure test fixture according to claim 1, characterized in that: The tooling flange (1) and the first equipment flange (2) are fastened by bolts.
3. The floating head heat exchanger tube head pressure test tooling according to claim 1, characterized in that: A sealing gasket (3) is provided on the inner side of the first equipment flange (2) and the end of the floating head heat exchanger tube head.
4. The floating head heat exchanger tube head pressure test tooling according to claim 1, characterized in that: The tooling flange (1) is served by the pipe box flange of the heat exchanger itself.
5. The floating head heat exchanger tube head pressure test tool according to claim 1, characterized in that: The tooling flange (1) is manufactured according to the specifications and models of the heat exchanger.
6. The floating head heat exchanger tube head pressure test tool according to claim 1, characterized in that: An O-type sealing ring (8) is provided at the intersection of the second equipment flange (5), the second tooling shell (7) and the end of the floating head heat exchanger tube head.