CN113339869A - Heat exchange station system based on utilization of redundant pressure head of primary network - Google Patents
Heat exchange station system based on utilization of redundant pressure head of primary network Download PDFInfo
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- CN113339869A CN113339869A CN202110667574.4A CN202110667574A CN113339869A CN 113339869 A CN113339869 A CN 113339869A CN 202110667574 A CN202110667574 A CN 202110667574A CN 113339869 A CN113339869 A CN 113339869A
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- water
- pipeline
- heat exchange
- utilization
- system based
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 4
- 230000003020 moisturizing effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/044—Flow sensors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a heat exchange station system based on utilization of redundant pressure heads of a primary network, which comprises a primary network water supply pipeline, a heat exchanger, a primary network water return pipeline, a secondary network water return pipeline and a secondary network water supply pipeline; the heat exchanger is linked together with one-level net supply channel, second grade net supply channel, one-level net return water pipeline and second grade net return water pipeline, has set gradually governing valve and hydraulic turbine along the rivers direction on the one-level net supply channel, and the last turbine pump and the second grade net circulating pump of having set gradually along the rivers direction of second grade net return water pipeline, the hydraulic turbine is connected with the turbine pump, and the unnecessary pressure head of one-level net can be retrieved to this system.
Description
Technical Field
The invention belongs to the field of municipal heating, and relates to a heat exchange station system of a heating system.
Background
Along with the extension of urban construction, the heat supply area is constantly enlarged, and the urban heat supply pipe network is also constantly extending, and heat supply pipe network radius is also bigger and bigger, and the circulating water pump lift of heat source also increases thereupon. The pressure difference of supply and return water of a primary network of the heat exchange station near a heat source point is far beyond the qualification pressure head of the heat exchange station, redundant pressure heads of a branch can be consumed only by closing a small valve, the power consumption of a heat supply system is increased, energy waste is caused, the carbon peak reaching and carbon neutralization targets in China are not facilitated to be realized, and how to effectively utilize the redundant pressure heads is an effective way for reducing the power consumption.
Disclosure of Invention
The object of the present invention is to overcome the drawbacks of the prior art mentioned above and to provide a heat exchange station system based on the utilization of excess head of a primary wire, which system is able to recover the excess head of the primary wire.
In order to achieve the purpose, the heat exchange station system based on utilization of redundant pressure heads of the primary network comprises a primary network water supply pipeline, a heat exchanger, a primary network water return pipeline, a secondary network water return pipeline and a secondary network water supply pipeline;
the heat exchanger is linked together with one-level net supply channel, second grade net supply channel, one-level net return water pipeline and second grade net return water pipeline, has set gradually governing valve and hydraulic turbine along the rivers direction on the one-level net supply channel, and the last turbine pump and the second grade net circulating pump of having set gradually along the rivers direction of second grade net return water pipeline, hydraulic turbine and turbine pump connection.
The water replenishing water tank and the water replenishing pump are also included; the outlet of the water replenishing tank is communicated with a secondary network water return pipeline through a water replenishing pump.
The water replenishing pump is communicated with the secondary network water return pipeline through a water replenishing pipeline.
The water turbine is connected with the turbine pump through a coupler.
And a second-level network flow meter is arranged on the second-level network water supply pipeline.
And a second-level network water supply thermometer is arranged on the second-level network water supply pipeline.
The system also comprises a controller, wherein the controller is connected with the secondary network circulating pump and the secondary network flowmeter.
The controller is connected with the secondary network water supply thermometer and the water turbine.
The invention has the following beneficial effects:
when the heat exchange station system based on utilization of the redundant pressure head of the primary network is in specific operation, the circulating water of the primary network pushes the water turbine to rotate, and the water turbine drags the turbine to rotate so as to improve the inlet pressure of the circulating pump of the secondary network and reduce the power consumption of the circulating pump of the secondary network, so that the redundant pressure head delta P is effectively recovered, and the heat exchange station system is simple in structure, convenient to operate and extremely high in practicability.
Drawings
FIG. 1 is a diagram of the dynamic water pressure of a heating system;
FIG. 2 is a schematic view of the present invention;
wherein, 1 is the water supply pipeline of first grade net, 2 is the governing valve, 3 is the hydraulic turbine, 4 is the heat exchanger, 5 is the return water pipeline of first grade net, 6 is the return water pipeline of second grade net, 7 is the turbo pump, 8 is the shaft coupling, 9 is the circulating pump of second grade net, 10 is the flowmeter of second grade net, 11 is the thermometer of second grade net water supply, 12 is the water supply pipeline of second grade net, 13 is the moisturizing case, 14 is the moisturizing pump, 15 is the moisturizing pipeline, 16 is near-end heat transfer station, 17 is the end heat transfer station.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 2, the heat exchange station system based on utilization of redundant pressure heads of the primary network according to the present invention includes a controller, a primary network water supply pipeline 1, a regulating valve 2, a water turbine 3, a heat exchanger 4, a primary network water return pipeline 5, a secondary network water return pipeline 6, a turbo pump 7, a coupling 8, a secondary network circulating pump 9, a secondary network flowmeter 10, a secondary network water supply thermometer 11, a secondary network water supply pipeline 12, a water replenishing tank 13, a water replenishing pump 14, and a water replenishing pipeline 15;
the heat exchanger 4 is communicated with a primary network water supply pipeline 1, a secondary network water supply pipeline 12, a primary network water return pipeline 5 and a secondary network water return pipeline 6, a regulating valve 2 and a water turbine 3 are sequentially arranged on the primary network water supply pipeline 1 along the water flow direction, a turbine pump 7 and a secondary network circulating pump 9 are sequentially arranged on the secondary network water return pipeline 6 along the water flow direction, wherein an outlet of a water supplementing tank 13 is communicated with the secondary network water return pipeline 6 through a water supplementing pump 14 and a water supplementing pipeline 15, a secondary network flowmeter 10 and a secondary network water supply thermometer 11 are sequentially arranged on the secondary network water supply pipeline 12 along the water flow direction, the water turbine 3 is connected with the turbine pump 7 through a coupler 8, and a controller is connected with the secondary network circulating pump 9 and the secondary network flowmeter 10; the controller is connected with the secondary network water supply thermometer 11 and the water turbine 3.
Referring to fig. 2, the present invention is based on a pressure head Δ P for a near-end heat exchange station 16 in a heating system0Pressure head delta P for supply and return water of less than primary net1The purpose of the present invention is to provide a measure against the excess head Δ P (Δ P ═ Δ P)1-ΔP0) The efficient utilization is carried out, the circulating water of the primary network pushes the water turbine 3 to rotate during the operation, the water turbine 3 drags the turbine to rotate through the coupler 8, so that the inlet pressure of the circulating pump 9 of the secondary network is improved, the power consumption of the circulating pump 9 of the secondary network is reduced, and the residual pressure head delta P is effectively recovered.
The rotating speed of the secondary network circulating pump 9 is controlled by the feedback value of the secondary network flowmeter 10; the flow of the primary network is adjusted by changing the angle of the impeller of the water turbine 3 through the feedback value of the water supply thermometer 11 of the secondary network, so that the shaft power of the water turbine 3 is dynamic.
The above is merely preferred in the present invention. However, the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A heat exchange station system based on utilization of redundant pressure heads of a primary network is characterized by comprising a primary network water supply pipeline (1), a heat exchanger (4), a primary network water return pipeline (5), a secondary network water return pipeline (6) and a secondary network water supply pipeline (12);
the heat exchanger (4) is communicated with a primary network water supply pipeline (1), a secondary network water supply pipeline (12), a primary network water return pipeline (5) and a secondary network water return pipeline (6), the adjusting valve (2) and the water turbine (3) are sequentially arranged on the primary network water supply pipeline (1) along the water flow direction, the turbine pump (7) and the secondary network circulating pump (9) are sequentially arranged on the secondary network water return pipeline (6) along the water flow direction, and the water turbine (3) is connected with the turbine pump (7).
2. The heat exchange station system based on utilization of surplus pressure head of a primary network is characterized by further comprising a water replenishing tank (13) and a water replenishing pump (14); the outlet of the water replenishing tank (13) is communicated with the secondary network water return pipeline (6) through a water replenishing pump (14).
3. The heat exchange station system based on utilization of surplus pressure head of the primary grid according to claim 2, characterized in that a water supplementing pump (14) is communicated with a water returning pipeline (6) of the secondary grid through a water supplementing pipeline (15).
4. The heat exchange station system based on primary network excess head utilization according to claim 1, characterized in that the water turbine (3) is connected with the turbine pump (7) through a coupling (8).
5. The heat exchange station system based on utilization of surplus head of primary network according to claim 1, characterized in that secondary network water supply line (12) is provided with a secondary network flow meter (10).
6. The heat exchange station system based on utilization of redundant pressure heads of the primary network as claimed in claim 1, wherein a secondary network water supply thermometer (11) is arranged on the secondary network water supply pipeline (12).
7. The heat exchange station system based on surplus head utilization of the primary mesh according to claim 5, further comprising a controller, wherein the controller is connected with the secondary mesh circulating pump (9) and the secondary mesh flow meter (10).
8. The heat exchange station system based on surplus pressure head utilization of the primary grid according to claim 6, characterized in that the controller is connected with a secondary grid water supply thermometer (11) and a water turbine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667574.4A CN113339869A (en) | 2021-06-16 | 2021-06-16 | Heat exchange station system based on utilization of redundant pressure head of primary network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667574.4A CN113339869A (en) | 2021-06-16 | 2021-06-16 | Heat exchange station system based on utilization of redundant pressure head of primary network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113339869A true CN113339869A (en) | 2021-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110667574.4A Pending CN113339869A (en) | 2021-06-16 | 2021-06-16 | Heat exchange station system based on utilization of redundant pressure head of primary network |
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| Country | Link |
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| CN (1) | CN113339869A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773175A (en) * | 2004-11-08 | 2006-05-17 | 何学新 | Energy-saving heat exchanging station or assembling unit and control method thereof |
| CN101922756A (en) * | 2009-12-29 | 2010-12-22 | 哈尔滨工业大学 | Hot water pipe network system |
| CN103900136A (en) * | 2014-03-13 | 2014-07-02 | 刘向华 | High-rise direct connection heating device |
| CN104832977A (en) * | 2015-05-08 | 2015-08-12 | 清华大学 | System and method for adjusting pressure of heat supply pipe |
| CN206753670U (en) * | 2017-03-10 | 2017-12-15 | 沈阳枫叶能源科技有限公司 | The personal system of heat supply one-level web portal pressure electricity-generating more than needed |
| CN108006785A (en) * | 2017-12-29 | 2018-05-08 | 柳箭 | Hydraulic energy recuperation formula heat-exchange unit |
| CN108980952A (en) * | 2018-08-28 | 2018-12-11 | 西安瑞行城市热力发展集团有限公司 | A kind of new heat-supplying system |
| KR20200115385A (en) * | 2019-03-27 | 2020-10-07 | 주식회사 에치이시스템 | Heat exchange system |
| CN213019820U (en) * | 2020-09-27 | 2021-04-20 | 北京华源泰盟节能设备有限公司 | Absorption heat exchanger unit and large temperature difference heat supply system thereof |
-
2021
- 2021-06-16 CN CN202110667574.4A patent/CN113339869A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773175A (en) * | 2004-11-08 | 2006-05-17 | 何学新 | Energy-saving heat exchanging station or assembling unit and control method thereof |
| CN101922756A (en) * | 2009-12-29 | 2010-12-22 | 哈尔滨工业大学 | Hot water pipe network system |
| CN103900136A (en) * | 2014-03-13 | 2014-07-02 | 刘向华 | High-rise direct connection heating device |
| CN104832977A (en) * | 2015-05-08 | 2015-08-12 | 清华大学 | System and method for adjusting pressure of heat supply pipe |
| CN206753670U (en) * | 2017-03-10 | 2017-12-15 | 沈阳枫叶能源科技有限公司 | The personal system of heat supply one-level web portal pressure electricity-generating more than needed |
| CN108006785A (en) * | 2017-12-29 | 2018-05-08 | 柳箭 | Hydraulic energy recuperation formula heat-exchange unit |
| CN108980952A (en) * | 2018-08-28 | 2018-12-11 | 西安瑞行城市热力发展集团有限公司 | A kind of new heat-supplying system |
| KR20200115385A (en) * | 2019-03-27 | 2020-10-07 | 주식회사 에치이시스템 | Heat exchange system |
| CN213019820U (en) * | 2020-09-27 | 2021-04-20 | 北京华源泰盟节能设备有限公司 | Absorption heat exchanger unit and large temperature difference heat supply system thereof |
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Application publication date: 20210903 |