CN220304332U - Pipe distribution structure of heat-supply network high-efficiency negative pressure chamber heat exchanger - Google Patents
Pipe distribution structure of heat-supply network high-efficiency negative pressure chamber heat exchanger Download PDFInfo
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- CN220304332U CN220304332U CN202321465124.8U CN202321465124U CN220304332U CN 220304332 U CN220304332 U CN 220304332U CN 202321465124 U CN202321465124 U CN 202321465124U CN 220304332 U CN220304332 U CN 220304332U
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- 238000009826 distribution Methods 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 8
- 230000008602 contraction Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a pipe distribution structure of a heat-supply network efficient negative pressure chamber heat exchanger, wherein a plurality of mounting through holes are formed in a front pipe plate and a rear pipe plate, a plurality of limiting grooves are formed in the hole walls of the mounting through holes, limiting convex rings are arranged at two ends of a plurality of double-line pipes, the two ends of the double-line pipes are arranged in corresponding mounting through holes, the limiting convex rings are clamped in the corresponding limiting grooves, a plurality of partition plates are further arranged between the front pipe plate and the rear pipe plate, the partition plates divide the interval between the front pipe plate and the rear pipe plate into a plurality of temperature areas with different temperatures, the number of the double-line pipes of two adjacent temperature areas is different, and the number of the double-line pipes of the temperature area with high temperature is larger than that of the double-line pipes of the temperature area with low temperature. The double-line-doubling tube is reliable in installation, the stability of the relative positions of the end parts of the double-line-doubling tube and the corresponding tube plates can be guaranteed in the thermal expansion and contraction process of the double-line-doubling tube, and the heat medium quantity in the double-line-doubling tube can be guaranteed through the shrinkage tube, so that the heat exchange effect is guaranteed.
Description
Technical Field
The utility model relates to a heat accumulator, in particular to a pipe distribution structure of a heat-supply network high-efficiency negative pressure chamber heat exchanger.
Background
The pressure isolation station is a place where heat is concentrated and exchanged, and can automatically and continuously convert domestic water and heating water required by users through the heat exchanger.
For many years, the domestic and foreign pressure isolation stations always adopt plate heat exchangers as core equipment for heat exchange of equipment cooling water systems, and in the use process of the plate heat exchangers, a heat supply pump is generally required for conveying hot gas, and the heat supply pump is required for supplying heat according to the working condition of the plate heat exchangers in a fit manner, and in the heat supply process, unstable heat supply is caused, heat exchange is unstable, and the temperature fluctuation range after heat exchange is large.
Through long-term research, the inventor of the company develops a negative pressure boost heat accumulator of a pressure isolation station, which can absorb high-temperature gas into the heat accumulator in a negative pressure adsorption mode, and after heat exchange, hot water subjected to heat exchange can be boosted, so that long-distance or high-lift conveying can be realized, and when the negative pressure boost heat accumulator of the pressure isolation station is developed, the inventor improves the wiring structure of the heat exchange pipe.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a pipe distribution structure of a heat supply network efficient negative pressure chamber heat exchanger.
The aim of the utility model is achieved by the following technical scheme: the utility model provides a high-efficient negative pressure cavity heat exchanger of heat supply network's cloth tube structure, including preceding tube sheet, back tube sheet and a plurality of double-line pipes, a plurality of installation through-holes have been seted up on the preceding tube sheet, a plurality of installation through-holes have also been seted up to correspond on the back tube sheet, a plurality of spacing recesses have been seted up on the pore wall of installation through-hole, the both ends of a plurality of double-line pipes are provided with the spacing bulge loop that matches with spacing recess, the both ends of a plurality of double-line pipes are installed in corresponding installation through-hole, and spacing bulge loop card is in the spacing recess that corresponds, still install a plurality of division boards between preceding tube sheet and the back tube sheet, a plurality of division boards are the interval setting from top to bottom, and a plurality of division boards cut apart into the interval between preceding tube sheet and the back tube sheet into a plurality of temperature different temperature regions, the tube number of the double-line pipes of two adjacent temperature regions is different, and the tube number of the double-line pipes of the temperature region is greater than the tube number of double-line pipes of the temperature region.
Optionally, the installation through hole is a step through hole, the limiting groove is positioned on the hole wall of the step through hole, the two ends of the double-line pipe are also provided with bending parts which are turned outwards radially, and the bending parts are positioned in the big holes of the step through hole.
Optionally, the outer circumference of the double-line tube is provided with a plurality of spiral grooves which are spirally distributed, the spiral grooves are smoothly connected with the outer wall of the double-line tube, the inner circumference of the double-line tube is provided with a plurality of spiral ribs which are spirally distributed, and the spiral ribs are smoothly connected with the inner wall of the double-line tube.
Optionally, the lead of the spiral groove and the lead of the spiral rib are rotated to be the same, and the start point of the spiral groove corresponds to the start point of the spiral rib.
Optionally, the double-line pipe is divided into a process double-line pipe and a return double-line pipe according to the high-temperature steam flow direction, and the spiral directions of the process double-line pipe and the return double-line pipe are opposite.
Optionally, a plurality of baffle plates are further installed on the partition plate, and the double-line pipe penetrates through the corresponding baffle plates.
The utility model has the following advantages: the pipe distribution structure of the negative pressure boost heat accumulator of the pressure isolation station is reliable in installation of the double-line pipe, can ensure the stability of the relative positions of the end parts of the double-line pipe and the corresponding pipe plates in the thermal expansion and contraction process of the double-line pipe, and can ensure the heat medium quantity in the double-line pipe through the pipe shrinkage, thereby ensuring the heat exchange effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a mounting structure of a dual-play conduit;
FIG. 3 is a schematic illustration of the structure of a dual-play conduit;
in the figure, a front tube plate, a rear tube plate, a 3-double-line tube, a 4-baffle plate, a 5-division plate, an 11-limit groove, a 12-step through hole, a 31-limit convex ring, a 32-bending part, a 33-spiral groove and a 34-spiral convex rib are arranged.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In this embodiment, as shown in fig. 3, a plurality of spiral grooves 33 are formed on the outer circumference of the double-line tube 3, the spiral grooves 33 are smoothly connected with the outer wall of the double-line tube 3, a plurality of spiral ribs 34 are formed on the inner circumference of the double-line tube 3, the spiral ribs 34 are smoothly connected with the inner wall of the double-line tube 3, further, the lead of the spiral grooves 33 and the lead of the spiral ribs 34 rotate to the same direction, the starting points of the spiral grooves 33 correspond to the starting points of the spiral ribs 34, and during manufacturing, the spiral grooves 33 are pressed out on the outer circumference of the double-line tube 3 in a rolling manner, and the spiral ribs 34 are formed on the inner wall of the double-line tube 3 while the spiral grooves 33 are smoothly connected with the outer wall 34 of the double-line tube 3, and the spiral ribs 34 are smoothly connected with the inner wall of the double-line tube 3, so that the smooth areas of the double-line tube 3 can not be flushed by the water flow, and the service life of the double-line tube 3 can be guaranteed.
In this embodiment, as shown in fig. 2, a plurality of mounting through holes are formed on the front tube plate 1, a plurality of mounting through holes are correspondingly formed on the rear tube plate 2, a plurality of limit grooves 11 are formed on the wall of each mounting through hole, limit convex rings 31 matched with the corresponding limit grooves 11 are arranged at two ends of each double-line tube 3, the limit convex rings 31 are clamped in the corresponding limit grooves 11, the tube diameters of two ends of each double-line tube 3 are identical to the tube diameter of the middle part after the double-line tube 3 is manufactured in a factory, the mounting through holes on the tube plate are matched with the tube diameter of the middle part, two ends of each double-line tube 3 are respectively penetrated in the mounting through holes of the corresponding tube plates, and then the two ends of each double-line tube 3 are pressed by expansion pressing by adopting expansion pressing equipment, in the expansion pressing process, and the limit convex rings 31 are also formed at two ends of each double-line tube 3 by expansion pressing due to the fact that the limit grooves 11 are formed in the mounting through holes, the limit convex rings 31 are clamped in the corresponding limit grooves 11, so that the two-line tube tubes 3 can be fixed between the two-line tubes 3 and the limit convex rings 31 are required to be welded with the corresponding limit convex rings 11, and the two-line tube tubes 3 can be fixed between the two-line tubes 3 and the corresponding tube plates, and the two-line tube tubes can be conveniently and the two seal grooves 3 and the limit convex rings can be fixed between the two tube plates and the tube plates 3.
In this embodiment, as shown in fig. 1, a plurality of partition plates 5 are further installed between the front tube plate 1 and the rear tube plate 2, the plurality of partition plates 5 are arranged at intervals up and down, and the plurality of partition plates 5 divide the interval between the front tube plate 1 and the rear tube plate 2 into a plurality of temperature areas with different temperatures, in this embodiment, five partition plates 5 divide the interval between the front tube plate 1 and the rear tube plate 2 into six temperature areas from top to bottom, the high temperature region, the medium temperature region, the low temperature region and the low temperature region are sequentially arranged, further, the tube numbers of the double-insulated double-wire tubes 3 of the two adjacent temperature regions are different, and the tube numbers of the double-insulated double-wire tubes 3 of the temperature region are larger than those of the double-insulated double-wire tubes 3 of the temperature region with low temperature, that is, in the embodiment, the number of the double-insulated double-wire tubes 3 of the high temperature region is larger than that of the double-insulated double-wire tubes 3 of the medium temperature region, the number of double-insulated double insulated the number of the double-insulated double insulated the number of double-insulated double insulated the number of double-insulated double insulated, no air lock can occur.
In this embodiment, as shown in fig. 2, the mounting through hole is a step through hole 12, the limiting groove 11 is located on the hole wall of the step through hole 12, two ends of the double-wire tube 3 are further provided with bending parts 32 which are turned radially outwards, the bending parts 32 are located in the large holes of the step through hole 12, the positions of the end part of the double-wire tube 3 and the corresponding tube plate can be further ensured to be relatively fixed through the bending parts 32, and when the double-wire tube 3 is manufactured, a splitting groove is formed on the double-wire tube 3, and then the end part of the double-wire tube 3 is divided into several pieces, and then the bending parts 32 are formed by bending through a bending process.
In this embodiment, the double-line pipe 3 is divided into a process double-line pipe 3 and a return double-line pipe 3 according to the flow direction of high-temperature steam, the spiral directions of the process double-line pipe 3 and the return double-line pipe 3 are opposite, the high-temperature steam is dispersed into multiple strands under the action of the spiral ribs 34, and strong cross flow can be formed with the medium flowing outside, so that the thickness of a boundary layer is reduced and thinned, and the heat exchange efficiency during heat exchange is improved.
In this embodiment, the partition plate 5 is further provided with a plurality of baffle plates 4, the double-line-doubling tube 3 passes through the corresponding baffle plates 4, and the baffle plates 4 can support the double-line-doubling tube 3, so that the double-line-doubling tube 3 can be prevented from being bent, and the reliability of the double-line-doubling tube 3 in use is ensured.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a cloth pipe structure of high-efficient negative pressure cavity heat exchanger of heat supply network, its characterized in that: including preceding tube sheet, back tube sheet and a plurality of double-line pipe, a plurality of installation through-holes have been seted up on the preceding tube sheet, a plurality of installation through-holes have also been seted up to correspond on the back tube sheet, a plurality of spacing recess has been seted up on the pore wall of installation through-hole, a plurality of the both ends of double-line pipe are provided with the spacing bulge loop that matches with spacing recess, and install at the both ends of a plurality of double-line pipes and correspond in the installation through-hole, just spacing bulge loop card is in the spacing recess that corresponds, still install a plurality of division boards between preceding tube sheet and the back tube sheet, a plurality of division boards are the interval between a plurality of division boards will preceding tube sheet and the back tube sheet is cut apart into the different warm district of a plurality of temperatures, and the tube number of the double-line pipe of two adjacent warm districts is different, and the tube number of the double-line pipe of the warm district of double-line pipe that the temperature is greater than the warm district.
2. The piping structure of the heat-supply-net high-efficiency negative pressure chamber heat exchanger according to claim 1, wherein: the installation through hole is a step through hole, the limiting groove is positioned on the small hole wall of the step through hole, two ends of the double-line pipe are further provided with bending parts which are folded outwards in the radial direction, and the bending parts are positioned in the large holes of the step through hole.
3. The piping structure of the heat-supply-net high-efficiency negative pressure chamber heat exchanger according to claim 2, wherein: the double-line tube is characterized in that a plurality of spiral grooves which are in spiral distribution are formed in the outer circumference of the double-line tube, the spiral grooves are smoothly connected with the outer wall of the double-line tube, a plurality of spiral ribs which are in spiral distribution are formed in the inner circumference of the double-line tube, and the spiral ribs are smoothly connected with the inner wall of the double-line tube.
4. A heat grid high efficiency negative pressure chamber heat exchanger tube arrangement as set forth in claim 3, wherein: the lead of the spiral groove and the lead of the spiral rib are in the same rotation direction, and the starting point of the spiral groove corresponds to the starting point of the spiral rib.
5. The piping structure of the heat-supply-net high-efficiency negative-pressure chamber heat exchanger according to any one of claims 1 to 4, wherein: the double-line-return pipe is divided into a process double-line-return pipe and a return double-line-return pipe according to the high-temperature steam flow direction, and the spiral directions of the process double-line-return pipe and the return double-line-return pipe are opposite.
6. The piping structure of the heat-supply-net high-efficiency negative pressure chamber heat exchanger according to claim 5, wherein: and a plurality of baffle plates are also arranged on the separation plate, and the double-line pipe passes through the corresponding baffle plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465124.8U CN220304332U (en) | 2023-06-09 | 2023-06-09 | Pipe distribution structure of heat-supply network high-efficiency negative pressure chamber heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465124.8U CN220304332U (en) | 2023-06-09 | 2023-06-09 | Pipe distribution structure of heat-supply network high-efficiency negative pressure chamber heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220304332U true CN220304332U (en) | 2024-01-05 |
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ID=89375288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321465124.8U Active CN220304332U (en) | 2023-06-09 | 2023-06-09 | Pipe distribution structure of heat-supply network high-efficiency negative pressure chamber heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220304332U (en) |
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2023
- 2023-06-09 CN CN202321465124.8U patent/CN220304332U/en active Active
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