CN220269500U - Heating system for long-distance heat supply - Google Patents
Heating system for long-distance heat supply Download PDFInfo
- Publication number
- CN220269500U CN220269500U CN202321490683.4U CN202321490683U CN220269500U CN 220269500 U CN220269500 U CN 220269500U CN 202321490683 U CN202321490683 U CN 202321490683U CN 220269500 U CN220269500 U CN 220269500U
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- China
- Prior art keywords
- conveying pipeline
- connecting pipe
- water return
- filter screen
- heating system
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000012535 impurity Substances 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- -1 silt Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model relates to a heating system for long-distance heat supply, which comprises a heat source, a primary water supply conveying pipeline, a primary water return conveying pipeline, a secondary water supply conveying pipeline and a plurality of secondary water return conveying pipelines, wherein each secondary water supply conveying pipeline is connected with the primary water supply conveying pipeline, each secondary water return conveying pipeline is connected with the primary water return conveying pipeline, a filtering device is arranged at the joint of each primary water return conveying pipeline and each secondary water return conveying pipeline, the filtering device comprises a connecting pipe, a filter screen and an impurity collecting device, the connecting pipe is connected to the primary water return conveying pipeline, the filter screen is arranged in the connecting pipe, and the impurity collecting device is arranged below the connecting pipe and detachably connected with the connecting pipe.
Description
Technical Field
The utility model relates to the technical field of heat supply, in particular to a heat supply system for long-distance heat supply.
Background
With the obvious improvement of urban construction speed and green development quality, the increase of heat supply demands is increased year by year, but the high energy consumption of small boiler heat supply and the pollution to the environment are relatively higher, and long-distance heat supply projects are greatly developed in conditional areas at present on the premise of ensuring heat supply quality and protecting the environment. The long-distance heat supply system generally comprises a heat source, a primary water supply pipeline, a return water conveying pipeline and a heating power station, wherein the heat source generates and outputs high-temperature water, the high-temperature water is conveyed to each heat exchange station through the primary network water supply pipeline under the action of a primary circulating water pump, the high-temperature water is carried out in the heat exchange station and is subjected to heat exchange with user return water of a secondary network through heat exchange equipment, and the hot water of the primary network after heat exchange flows back to the heat source through the primary network return water pipeline and is reheated, so that the heat supply radius can reach tens of kilometers.
In actual operation, impurities such as sediment and pipeline spalling in water in the backwater conveying pipeline flow back to the heat source through the backwater conveying pipeline due to the longer length of the conveying pipeline, and the impurities are enriched, so that the heat exchange efficiency of the heating equipment of the heat source is easily reduced and damaged, and the remote heat supply effect is affected.
Disclosure of Invention
The utility model aims to provide a heating system for long-distance heat supply, which solves the problems in the conventional long-distance heat supply.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the heat supply system for long-distance heat supply comprises a heat source, a primary water supply conveying pipeline, a primary water return conveying pipeline, a secondary water supply conveying pipeline and a secondary water return conveying pipeline, wherein a plurality of secondary water supply conveying pipelines and secondary water return conveying pipelines are arranged, each secondary water supply conveying pipeline is connected with the primary water supply conveying pipeline, each secondary water return conveying pipeline is connected with the primary water return conveying pipeline, and a filtering device is arranged at the joint of each primary water return conveying pipeline and each secondary water return conveying pipeline; the filtering device comprises a connecting pipe, a filter screen and an impurity collecting device, wherein the connecting pipe is connected to the primary backwater conveying pipeline, the filter screen is arranged in the connecting pipe, and the impurity collecting device is arranged below the connecting pipe and detachably connected with the connecting pipe.
Further, a discharging pipe is arranged at the lower end of the connecting pipe, the discharging pipe is communicated with the connecting pipe, and the filter screen is arranged on one side, close to the discharging pipe, of the connecting pipe.
Further, the impurity collecting device comprises an impurity collecting cylinder which is in threaded connection with the discharging pipe.
Further, a magnet is arranged at the bottom of the impurity collecting cylinder.
Further, a conical cylinder is arranged in the discharge pipe, a clamping ring is arranged on the inner wall of the discharge pipe, the conical cylinder is abutted to the clamping ring, and the impurity collecting cylinder is arranged in the discharge pipe.
Further, a rotating shaft is rotatably arranged in the connecting pipe along the radial direction, the rotating shaft is connected with the filter screen, a hand wheel is arranged above the connecting pipe and connected with the rotating shaft, and the rotation of the hand wheel is used for driving the filter screen to rotate.
The utility model has the beneficial effects that:
according to the heating system for long-distance heat supply, the plurality of filtering devices are arranged on the primary return water conveying pipelines, the filtering devices are arranged at the joints of the primary return water conveying pipelines and the secondary return water conveying pipelines, water returned in each secondary return water pipeline can be filtered, impurities are filtered through the filter screen, and the filtered impurities are collected through the impurity collecting device, so that the sectional filtration of the primary return water conveying pipelines is realized, the purity of return water is ensured, the return water heating effect is ensured, and the safe operation of a heat source is ensured.
Drawings
FIG. 1 is a schematic block diagram of a heating system for long distance heating of the present utility model;
fig. 2 is a schematic view (perspective view) of a structure of a filtering apparatus in a heating system for long-distance heating according to the present utility model;
FIG. 3 is a schematic view (exploded view) of a filtering device in a heating system for long-distance heat supply according to the present utility model;
fig. 4 is a cross-sectional view of a filtering apparatus for a heating system for long-distance heating according to the present utility model.
Name corresponding to each label in the figure:
1. the device comprises a filtering device 11, a connecting pipe 12, a filter screen 13, a discharging pipe 14, a conical cylinder 15, a clamping ring 16, an impurity collecting cylinder 17 and a hand wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
Example 1
The heating system for long-distance heat supply in the embodiment of the utility model is characterized in that the water supply conveying pipeline and the return water conveying pipeline are arranged, and the filter devices are arranged on the return water conveying pipeline at intervals, so that impurities in the return water are subjected to sectional filtration, and the operation safety of a heat source station is ensured.
Specifically, as shown in fig. 1, the heat supply system for long-distance heat supply comprises a heat source, a primary water supply conveying pipeline, a primary return water conveying pipeline, a secondary water supply conveying pipeline and a secondary return water conveying pipeline, wherein the heat source provides hot water, the primary heat supply conveying pipeline conveys the hot water to the secondary heat supply conveying pipeline, after heat exchange, the water returns to the primary return water conveying pipeline through the secondary return water conveying pipeline, and finally returns to the heat source through the primary return water conveying pipeline for reheating, so that long-distance heat supply is realized.
In this embodiment, the junction with each second grade return water delivery pipe is equipped with filter equipment 1 on the first grade return water delivery pipe, carries out the segmentation to the return water in the second grade return water delivery pipe and filters to guarantee the purity of the water that gets back to the heat source, guarantee the safe operation of heat source.
As shown in fig. 2 to 4, the filtering device 1 includes a connection pipe 11, a filter screen 12, and an impurity collecting device, the connection pipe 11 is connected to the return water transmission pipe, the filter screen 12 is provided in the connection pipe 11, and the impurity collecting device is provided below the connection pipe 11 and detachably connected to the connection pipe 11.
Through the above setting, filter the large-particle impurity such as silt, iron fillings in the return water through filter screen 12, in can falling into impurity collection device down owing to gravity through the impurity of filtering out, can take off the clearance to impurity through impurity collection device, guaranteed the purity of return water.
In this embodiment, be equipped with discharge tube 13 at connecting pipe 11 lower extreme, discharge tube 13 and connecting pipe 11 intercommunication, filter screen 12 is established in connecting pipe 11 and is close to discharge tube 13 one side, set up promptly at the rear end at discharge tube 13 along the rivers direction, set up like this and can guarantee in time that the impurity that is blocked by filter screen 12 can fall into impurity collection device, impurity collection device includes impurity collection tube 16, impurity collection tube 16 and discharge tube 13 threaded connection, be convenient for dismantle impurity collection tube 16, simultaneously, impurity collection tube 16 bottom is equipped with magnet, can adsorb magnetic impurity.
In order to avoid the impurity in the impurity collection tube 16 from turning up and down through the surge of water flow, in this embodiment, a conical tube 14 is arranged in the discharge tube 13, the conical tube 14 is big-end-down and is funnel-shaped, the impurity is not easy to turn up by water flow after falling down, thereby improving the impurity collection effect, a clamping ring 15 is arranged on the inner wall of the discharge tube 13, the conical tube 14 is abutted on the clamping ring 15, when the impurity collection tube is installed, the conical tube 14 is installed at first, then the impurity collection tube 16 is installed, and the conical tube 14 can be fixed in the discharge tube 13 through the impurity collection tube 16.
In actual use, after heating season is over, the filter screen 12 needs to be cleaned, impurities attached to the filter screen 12 are cleaned, in the embodiment, a rotating shaft is rotatably arranged in the connecting pipe 11 along the radial direction, the rotating shaft is connected with the filter screen 12, a hand wheel 17 is arranged above the connecting pipe 11, the hand wheel 17 is connected with the rotating shaft, the rotation of the filter screen 12 can be realized by rotating the hand wheel 17, the impurity collecting cylinder 16 and the conical cylinder 14 are taken down when cleaning is performed, the filter screen 12 is cleaned through the discharging pipe 13, after one side is cleaned, the filter screen 12 is rotated through the hand wheel 17, and the other side is cleaned, so that the cleaning of the filter screen 12 is realized.
The heating system for long-distance heat supply can realize the sectional filtration of backwater and ensure the normal operation of the heating system.
Claims (6)
1. A heating system for long distance heating, characterized in that: the water treatment device comprises a heat source, a primary water supply conveying pipeline, a primary water return conveying pipeline, a secondary water supply conveying pipeline and a secondary water return conveying pipeline, wherein a plurality of secondary water supply conveying pipelines and secondary water return conveying pipelines are arranged, each secondary water supply conveying pipeline is connected with the primary water supply conveying pipeline, each secondary water return conveying pipeline is connected with the primary water return conveying pipeline, and a filtering device is arranged at the joint of each primary water return conveying pipeline and each secondary water return conveying pipeline; the filtering device comprises a connecting pipe, a filter screen and an impurity collecting device, wherein the connecting pipe is connected to the primary backwater conveying pipeline, the filter screen is arranged in the connecting pipe, and the impurity collecting device is arranged below the connecting pipe and detachably connected with the connecting pipe.
2. A heating system for long distance heating according to claim 1, characterized in that: the lower end of the connecting pipe is provided with a discharging pipe, the discharging pipe is communicated with the connecting pipe, and the filter screen is arranged on one side, close to the discharging pipe, of the connecting pipe.
3. A heating system for long distance heating according to claim 2, characterized in that: the impurity collecting device comprises an impurity collecting cylinder which is in threaded connection with the discharging pipe.
4. A heating system for long distance heating according to claim 3, characterized in that: the bottom of the impurity collecting cylinder is provided with a magnet.
5. A heating system for long distance heating according to claim 4, wherein: the discharging pipe is internally provided with a conical barrel, the inner wall of the discharging pipe is provided with a clamping ring, the conical barrel is abutted to the clamping ring, and the impurity collecting barrel is arranged in the discharging pipe.
6. A heating system for long distance heating according to claim 5, characterized in that: the connecting pipe is internally provided with a rotating shaft in a rotating way along the radial direction, the rotating shaft is connected with the filter screen, a hand wheel is arranged above the connecting pipe and connected with the rotating shaft, and the rotation of the hand wheel is used for driving the filter screen to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490683.4U CN220269500U (en) | 2023-06-13 | 2023-06-13 | Heating system for long-distance heat supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490683.4U CN220269500U (en) | 2023-06-13 | 2023-06-13 | Heating system for long-distance heat supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220269500U true CN220269500U (en) | 2023-12-29 |
Family
ID=89298417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321490683.4U Active CN220269500U (en) | 2023-06-13 | 2023-06-13 | Heating system for long-distance heat supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220269500U (en) |
-
2023
- 2023-06-13 CN CN202321490683.4U patent/CN220269500U/en active Active
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