CN115520397A - Pressure-resistant thin-wall structure base for fixing heat exchange tube bank - Google Patents
Pressure-resistant thin-wall structure base for fixing heat exchange tube bank Download PDFInfo
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- CN115520397A CN115520397A CN202211251828.5A CN202211251828A CN115520397A CN 115520397 A CN115520397 A CN 115520397A CN 202211251828 A CN202211251828 A CN 202211251828A CN 115520397 A CN115520397 A CN 115520397A
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- Prior art keywords
- pipe
- heat exchange
- saddle
- ring
- ring pipe
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- 239000002826 coolant Substances 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
- B64D33/10—Radiator arrangement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a pressure-resistant thin-wall structure base for fixing heat exchange calandria, which is a ring pipe member and consists of a straight pipe, a ring pipe and a saddle pipe; the positional connection relationship between them is: eight saddle pipes evenly distributed install in the ring canal top, and the straight tube is installed under the ring canal perpendicularly. The cooling medium enters the ring pipe from the straight pipe and then flows to the eight saddle pipes through the ring pipe, the saddle pipes are subsequently connected with the heat exchange calandria, and the whole pressure-resistant ring pipe base is used for supporting the heat exchange calandria. The saddle pipe can be designed to accurately fix the position of the diode according to the position of the capillary heat exchange unit, so that the assembled heat exchange unit is ensured to conform to the designed position; the straight pipe has the effect that the cooling medium in the thin-wall capillary pipe can be intensively fed in and out.
Description
Technical Field
The invention relates to a pressure-resistant thin-wall structure base for fixing heat exchange pipes, which is suitable for the structural assembly of high-temperature alloy thin-wall capillaries and is used for fixing and communicating all the pipes on a heat exchanger. Belongs to the technical field of aerospace science.
Background
The strong precooling hypersonic flight power technology becomes the hot research field at home and abroad in recent years, and the key technology lies in the preparation of the high-efficiency super precooler. A precooler in a strong precooling hypersonic flight power system mainly comprises a core heat exchange unit formed by arraying high-temperature alloy thin-wall capillaries, wherein two ends of each thin-wall capillary are connected with an inlet and outlet diode to form a heat exchange tube bank, and the thin-wall capillaries formed by arraying are communicated with an inlet and outlet tube component, so that a special structure is needed to connect each heat exchange tube bank in series. In order to make the core heat exchange unit work, a special structure is required to be designed, so that the cooling medium can pass through all thin-wall capillaries, and the development of the whole strong precooling hypersonic flight power technology becomes the most important factor.
According to the complexity of a precooler thin-wall capillary tube structure in a strong precooling hypersonic flight power system, a special base is required to be designed for fixing all heat exchange tube banks so as to ensure the accurate positioning of the thin-wall capillary tube and efficiently circulate a cooling medium. None of the devices currently meets this requirement. The invention provides a pressure-resistant thin-wall structure base for fixing a heat exchange tube bank to solve the existing problems.
Disclosure of Invention
(1) Object(s) to
In order to ensure that the core heat exchange unit of the precooler can be accurately arranged on the precooler and conveniently communicated with the inlet and outlet pipe assembly, a special base needs to be designed for fixing the capillary heat exchange unit so as to ensure the accurate positioning of the thin-wall capillary and efficiently circulate a cooling medium. The invention provides a pressure-resistant thin-wall structure base for fixing a heat exchange tube bank.
(2) Technical scheme
The invention relates to a pressure-resistant thin-wall structure base for fixing heat exchange pipes, which adopts the technical scheme that:
fig. 1 is an assembly view of a pressure-resistant thin-walled structural base for fixing heat exchange gauntlets. The ring pipe is a ring pipe component and mainly comprises a pipe straight part 1, a ring pipe 2 and a saddle pipe 3, and the materials of the ring pipe component are GH4169 deformed high-temperature alloy. The positional connection relationship between them is: eight saddle pipes 3 are uniformly arranged above the circular pipe 2, and the straight pipe 1 is vertically arranged under the circular pipe 2. The cooling medium enters the ring pipe 2 from the straight pipe 1 and then flows to the eight saddle pipes 3 through the ring pipe 2, the saddle pipes 3 are subsequently connected with the heat exchange tube bank, and the whole pressure-resistant ring pipe base is used for supporting the heat exchange tube bank.
The structure form of the straight pipe 1 is specifically shown in figure 2, the straight pipe can be processed by a seamless pipe with the diameter of 16mmx2mm and the length of L =60mm, the upper end of the straight pipe 1 is processed into a cone shape and is fixedly connected with the ring pipe 2 in a welding way, and a hole is formed in the corresponding position of the ring pipe 2, so that the straight pipe 1 is communicated with the ring pipe 2; the lower end of the straight pipe 1 is processed into a plane and is connected with a cooling medium pipeline. The straight tube 1 mainly functions to lead the cooling medium in the array capillary tube to enter and exit in a centralized way.
The ring pipe 2, the structural form of which is shown in fig. 3, can be formed by bending and welding a single or double seamless pipes: firstly, selecting a 16mmx2mm seamless pipe, bending the seamless pipe in a large angle according to design requirements, splicing the seamless pipe into a complete circle, and fixing the seamless pipe head and the tail by welding to finally form a circular pipe with the diameter of phi 400mm; then, eight holes are processed at equal intervals above the ring pipe 2 for connecting eight saddle pipes 3, and a hole is processed below the ring pipe 2 for connecting the straight pipe 1, so as to ensure that the straight pipe 1, the ring pipe 2 and the saddle pipes 3 are communicated, and the cooling medium can flow among the three pipes quickly.
The saddle pipe 3 is specifically shown in fig. 4 in structural form, and can be formed by processing a seamless pipe with the diameter of 16mmx2mm and the length of L =25mm, the lower end of the saddle pipe 3 is processed into a cone shape and is connected with the ring pipe 2, the positions of the cone holes respectively correspond to eight cone holes which are equidistantly distributed above the ring pipe 2, and the upper end of the saddle pipe 3 is processed into M16x0.75 pipe external threads with the height of 10mm and is used for connecting a diode on a heat exchange calandria by welding and fixing. Two small platforms are symmetrically processed in the middle of the outer wall of the saddle pipe 3 and used as clamping positions of the clamp, so that the saddle pipe 3 can be conveniently screwed and fixed on the diode.
(3) Advantages and effects
The invention provides a pressure-resistant thin-wall structure base for fixing heat exchange tube banks according to the complexity of a precooler thin-wall capillary structure in a strong precooling hypersonic flight power system. The advantages are mainly reflected in that: the saddle pipe can be designed to accurately fix the position of the diode according to the position of the capillary heat exchange unit, so that the assembled heat exchange unit is ensured to conform to the designed position; the straight pipe is used for enabling the cooling medium in the thin-wall capillary pipe to enter and exit in a centralized mode.
Drawings
Fig. 1 is an assembly view of a pressure-resistant thin-walled structural base for fixing heat exchange gauntlets.
FIG. 2 is a schematic view of a straight tube structure.
Fig. 3 is a schematic diagram of the construction of the loop.
Fig. 4 is a schematic view of a saddle tube structure.
The numbers and symbols in the figures are illustrated as follows:
1. a straight pipe; 2. a ring pipe; 3. a saddle pipe.
Detailed Description
Referring to fig. 1-4, the present invention is a pressure-resistant thin-wall structure base for fixing heat exchange pipes. The ring pipe is a ring pipe component and mainly comprises a pipe straight part 1, a ring pipe 2 and a saddle pipe 3, and the materials of the ring pipe component are GH4169 deformed high-temperature alloy. The position connection relationship between them is: eight saddle pipes 3 are uniformly arranged above the circular pipe 2, and the straight pipe 1 is vertically arranged under the circular pipe 2. The cooling medium enters the ring pipe 2 from the straight pipe 1 and then flows to the eight saddle pipes 3 through the ring pipe 2, the saddle pipes 3 are subsequently connected with the heat exchange tube bank, and the whole pressure-resistant ring pipe base is used for supporting the heat exchange tube bank.
The structure form of the straight pipe 1 is specifically shown in figure 2, the straight pipe can be processed by a seamless pipe with the diameter of 16mmx2mm and the length of L =60mm, the upper end of the straight pipe 1 is processed into a cone shape and is fixedly connected with the ring pipe 2 in a welding way, and a hole is formed in the corresponding position of the ring pipe 2, so that the straight pipe 1 is communicated with the ring pipe 2; the lower end of the straight pipe 1 is processed into a plane and is connected with a cooling medium pipeline. The straight tube 1 mainly functions to lead the cooling medium in the array capillary tube to enter and exit in a centralized way.
The ring pipe 2, the structural form is shown in fig. 3, and can be formed by bending and welding a single or double seamless pipes: firstly, selecting a seamless pipe with the diameter of 16mmx2mm, bending the seamless pipe in a large angle according to design requirements, splicing the seamless pipe into a complete circle, and fixing the seamless pipe head and the tail by welding to finally form an annular pipe with the diameter of 400mm; then, eight holes are processed at equal intervals above the ring pipe 2 for connecting eight saddle pipes 3, and a hole is processed below the ring pipe 2 for connecting the straight pipe 1, so as to ensure that the straight pipe 1, the ring pipe 2 and the saddle pipes 3 are communicated with each other, and the cooling medium can flow among the three pipes quickly.
The saddle pipe 3 is specifically shown in figure 4 in the structural form, and can be formed by processing a seamless pipe with the diameter of 16mmx2mm and the length of L =25mm, the lower end of the saddle pipe 3 is processed into a cone shape and is connected with the ring pipe 2, the positions of the cone-shaped small holes respectively correspond to eight cone-shaped small holes which are distributed at equal intervals above the ring pipe 2, the cone-shaped small holes are fixed by welding, and the outer threads of M16x0.75 pipes with the height of 10mm are processed at the upper end of the saddle pipe 3 and are used for being connected with diodes on the heat exchange pipes. Two small platforms are symmetrically processed in the middle of the outer wall of the saddle pipe 3 and used as clamping positions of the clamp, so that the saddle pipe 3 can be conveniently screwed and fixed on the diode.
The thin-wall structure base is arranged inside and outside the annular precooler respectively, the diameter of the inner-layer ring pipe 2 is smaller than that of the outer layer, inlet diodes of eight groups of heat exchange calandria are respectively connected with eight saddle pipes 3 on the inner-layer base, and outlet diodes are respectively connected with the saddle pipes 3 on the outer-layer base. Liquid nitrogen as a cooling medium enters the ring pipe 2 from the straight pipe 1 on the inner layer, then enters the eight groups of heat exchange tube banks through the eight saddle pipes 3, flows through the heat exchange tube banks and then enters the outer ring pipe 2 from the outer saddle pipe 3, and finally flows out of the outer straight pipe 1, so that heat exchange of the whole precooler is formed, and the straight pipes 1 on the inner layer and the outer layer are respectively connected with the inlet assembly and the outlet assembly of the cooling medium.
Claims (8)
1. The utility model provides a withstand voltage thin wall structure base for fixing heat transfer calandria which characterized in that: the ring pipe component is composed of a straight pipe, a ring pipe and a saddle pipe; the positional connection relationship between them is: the eight saddle pipes are uniformly distributed and arranged above the circular pipe, and the straight pipe is vertically arranged right below the circular pipe; the cooling medium enters the ring pipe from the straight pipe and then flows to the eight saddle pipes through the ring pipe, the saddle pipes are subsequently connected with the heat exchange calandria, and the whole pressure-resistant ring pipe base is used for supporting the heat exchange calandria.
2. The pressure-resistant thin-walled structural base for holding heat exchange manifolds of claim 1, wherein: the straight pipe is formed by processing a seamless pipe, the upper end of the straight pipe is processed into a cone shape and is fixedly connected with the ring pipe in a welding way, and holes are formed at the corresponding positions of the ring pipe to enable the straight pipe to be communicated with the ring pipe; the lower end of the straight pipe is processed into a plane and is connected with a cooling medium pipeline; the straight tube enables the cooling medium in the array capillary tube to enter and exit in a centralized way.
3. A pressure-resistant thin-walled structural base for holding heat exchange gauntlets according to claim 1 or 2 characterized in that: the ring pipe is formed by welding a single or double seamless pipes after being bent.
4. A pressure resistant thin walled structural base for holding heat exchange manifolds according to claim 3 characterized in that: the seamless pipe is bent according to the design requirement, and is spliced into a complete circle, and then the head and the tail of the seamless pipe are fixed by welding to finally form a ring pipe.
5. The pressure-resistant thin-wall structural base for fixing heat exchange tubes of claim 1 or 4, wherein: eight holes are processed at equal intervals above the ring pipe and used for being connected with eight saddle pipes, a hole is processed below the ring pipe and used for being connected with a straight pipe, the ring pipe and the saddle pipes are ensured to be communicated, and cooling media can flow among the three pipes quickly.
6. The pressure-resistant thin-walled structural base for holding heat exchange manifolds of claim 1, wherein: the saddle pipe is formed by processing a seamless pipe, the lower end of the saddle pipe is processed into a cone shape and is connected with the ring pipe, the positions of the cone holes respectively correspond to eight cone-shaped small holes which are distributed at equal intervals above the ring pipe, the cone-shaped small holes are fixed by welding, and the outer threads of the saddle pipe are processed at the upper end of the saddle pipe and are used for connecting diodes on the heat exchange calandria; two small platforms are symmetrically processed in the middle of the outer wall of the saddle pipe and used as clamping positions of the clamp, so that the saddle pipe can be conveniently screwed and fixed on the diode.
7. The pressure-resistant thin-walled structural base for holding heat exchange gauntlets according to claim 3, wherein: phi 1695mx x2mm, L =60mm of the seamless pipe.
8. The pressure-resistant thin-walled structural base for holding heat exchange manifolds of claim 1, wherein: the straight pipe, the circular pipe and the saddle pipe are made of GH4169 deformed high-temperature alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211251828.5A CN115520397A (en) | 2022-10-13 | 2022-10-13 | Pressure-resistant thin-wall structure base for fixing heat exchange tube bank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211251828.5A CN115520397A (en) | 2022-10-13 | 2022-10-13 | Pressure-resistant thin-wall structure base for fixing heat exchange tube bank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115520397A true CN115520397A (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211251828.5A Pending CN115520397A (en) | 2022-10-13 | 2022-10-13 | Pressure-resistant thin-wall structure base for fixing heat exchange tube bank |
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| Country | Link |
|---|---|
| CN (1) | CN115520397A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19500421A1 (en) * | 1994-05-17 | 1995-11-23 | Hde Metallwerk Gmbh | Capillary tube heat exchanger process and assembly sterilises fluids |
| CN103438737A (en) * | 2013-09-08 | 2013-12-11 | 张伟 | Shell-water-storage warm-air-pipe-bypassing-and-heat-conduction heat exchanger and manufacturing process thereof |
| CN103486880A (en) * | 2013-09-18 | 2014-01-01 | 张伟 | Header thermal fluid flow passage tube cavity water-storage and pressure-bearing heat exchanger and manufacture process thereof |
| CN107166123A (en) * | 2017-05-12 | 2017-09-15 | 北京航空航天大学 | A kind of split channel device for being used to transmit extra-high |
| CN109506497A (en) * | 2018-10-26 | 2019-03-22 | 中国石油大学(华东) | A kind of high-efficiency compact capillary heat exchange of heat pipe |
| CN110553519A (en) * | 2019-09-19 | 2019-12-10 | 北京航空航天大学 | Tube bundle type heat exchanger |
| CN211549844U (en) * | 2019-11-21 | 2020-09-22 | 新乡航空工业(集团)有限公司 | Radial high-temperature alloy precooler structure |
| CN114635799A (en) * | 2022-04-27 | 2022-06-17 | 大连理工大学 | Precooler with radial offset arrangement |
-
2022
- 2022-10-13 CN CN202211251828.5A patent/CN115520397A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19500421A1 (en) * | 1994-05-17 | 1995-11-23 | Hde Metallwerk Gmbh | Capillary tube heat exchanger process and assembly sterilises fluids |
| CN103438737A (en) * | 2013-09-08 | 2013-12-11 | 张伟 | Shell-water-storage warm-air-pipe-bypassing-and-heat-conduction heat exchanger and manufacturing process thereof |
| CN103486880A (en) * | 2013-09-18 | 2014-01-01 | 张伟 | Header thermal fluid flow passage tube cavity water-storage and pressure-bearing heat exchanger and manufacture process thereof |
| CN107166123A (en) * | 2017-05-12 | 2017-09-15 | 北京航空航天大学 | A kind of split channel device for being used to transmit extra-high |
| CN109506497A (en) * | 2018-10-26 | 2019-03-22 | 中国石油大学(华东) | A kind of high-efficiency compact capillary heat exchange of heat pipe |
| CN110553519A (en) * | 2019-09-19 | 2019-12-10 | 北京航空航天大学 | Tube bundle type heat exchanger |
| CN211549844U (en) * | 2019-11-21 | 2020-09-22 | 新乡航空工业(集团)有限公司 | Radial high-temperature alloy precooler structure |
| CN114635799A (en) * | 2022-04-27 | 2022-06-17 | 大连理工大学 | Precooler with radial offset arrangement |
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