CN213901226U - Phase-change heat storage heating system - Google Patents
Phase-change heat storage heating system Download PDFInfo
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- CN213901226U CN213901226U CN202023090918.XU CN202023090918U CN213901226U CN 213901226 U CN213901226 U CN 213901226U CN 202023090918 U CN202023090918 U CN 202023090918U CN 213901226 U CN213901226 U CN 213901226U
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Abstract
The utility model discloses a phase transition heat-retaining heating system has solved prior art and has needed the high problem of water pump energy consumption. The method comprises the following steps: the normal-pressure electric heat storage boiler is provided with a hot water outlet and a cold water inlet; the phase-change heat storage equipment is provided with a hot water inlet and a heat outlet, and the hot water inlet is communicated with the hot water outlet through a boiler outlet pipeline; the plate type heat exchanger is provided with a heat inlet and a cold water outlet, and the cold water outlet is communicated to a cold water inlet of the normal-pressure electric heat storage boiler through an inlet pipeline; a first valve is arranged on the inlet pipeline close to the cold water outlet, and a third valve is arranged on the inlet pipeline close to the cold water inlet; the heat outlet of the phase change heat storage equipment is connected with a main pipe and a bypass pipeline, the main pipe is communicated to the heat inlet of the plate type heat exchanger, the bypass pipeline is communicated to the inlet pipeline and is located at a position between the first valve and the third valve, and the bypass pipeline is provided with a second valve.
Description
Technical Field
The utility model belongs to the technical field of the phase transition heat-retaining is used, concretely relates to phase transition heat-retaining heating system.
Background
The conventional heat storage and heating system adopts a 'sugarcoated haw' type arrangement, and the normal-pressure electric heat storage boiler, the circulating water pump, the phase change heat storage equipment and the plate heat exchanger are arranged in series, so that the system resistance is large during operation, and the energy consumption of the water pump is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a phase transition heat-retaining heating system design method to solve prior art and need the high problem of water pump energy consumption.
The utility model adopts the following technical scheme: a phase change heat storage heating system comprising:
the normal-pressure electric heat storage boiler is provided with a hot water outlet and a cold water inlet;
the phase-change heat storage equipment is provided with a hot water inlet and a heat outlet, and the hot water inlet is communicated with the hot water outlet through a boiler outlet pipeline;
the plate type heat exchanger is provided with a heat inlet and a cold water outlet, and the cold water outlet is communicated to a cold water inlet of the normal-pressure electric heat storage boiler through an inlet pipeline; a first valve is arranged on the inlet pipeline close to the cold water outlet, and a third valve is arranged on the inlet pipeline close to the cold water inlet;
the heat outlet of the phase change heat storage equipment is connected with a main pipe and a bypass pipeline, the main pipe is communicated to the heat inlet of the plate type heat exchanger, the bypass pipeline is communicated to the inlet pipeline and is located at a position between the first valve and the third valve, and the bypass pipeline is provided with a second valve.
Furthermore, the inlet pipeline is also connected with a branch pipeline, the branch pipeline is communicated to the boiler outlet pipeline, and a fourth valve is arranged on the branch pipeline.
Furthermore, a circulating water pump is arranged on the outlet pipeline of the boiler.
The utility model has the advantages that: the electric control valve is arranged on the bypass pipeline between the normal-pressure electric heat storage boiler and the inlet pipeline and the outlet pipeline of the plate heat exchanger to control the opening and closing of different electric control valves, so that hot water does not need to flow through all equipment in different operation modes, the system resistance is reduced, and the circulating water pump operates in an energy-saving manner.
Drawings
Fig. 1 is a schematic structural diagram of a phase-change heat-storage heating system of the present invention.
The system comprises a normal-pressure electric heat storage boiler 1, a circulating water pump 2, a phase change heat storage device 3, a plate heat exchanger 4, a hot water outlet 5, a cold water inlet 6, a hot water inlet 7, a heat outlet 8, a heat inlet 9, a cold water outlet 10, an inlet pipeline 11, a branch pipeline 12, a boiler outlet pipeline 13, a first valve V1, a second valve V2, a third valve V3 and a fourth valve V4..
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a phase transition heat-retaining heating system, include: the system comprises a normal-pressure electric heat storage boiler 1, a phase change heat storage device 3 and a plate type heat exchanger 4.
The normal-pressure electric heat storage boiler 1 is provided with a hot water outlet 5 and a cold water inlet 6, belongs to a heat source device, and is used for generating high-temperature hot water by inputting electric power and converting electric energy into heat energy. The phase change heat storage device 3 is provided with a hot water inlet 7 and a heat outlet 8, and the hot water inlet 7 is communicated with the hot water outlet 5 through a boiler outlet pipeline 13. The phase-change heat storage equipment belongs to a heat storage device, and the heat in high-temperature hot water is stored in a phase-change material by absorbing the heat of the high-temperature hot water produced by a normal-pressure electric heat storage boiler, so that the heat storage at night and the heat release in the daytime are realized.
The plate heat exchanger 4 is provided with a heat inlet 9 and a cold water outlet 10, and the cold water outlet 10 is communicated to the cold water inlet 6 of the normal-pressure electric heat storage boiler 1 through an inlet pipeline 11; and a first valve V1 is arranged on the inlet pipeline 11 near the cold water outlet 10, and a third valve V3 is arranged near the cold water inlet 6. The plate heat exchanger belongs to a heat exchange device, and high-temperature hot water produced by phase change heat storage equipment and a normal-pressure electric heat storage boiler is exchanged to a heat user through plate heat exchange sheets to finish heat transfer.
The heat outlet 8 of the phase change heat storage device 3 is connected with a main pipe and a bypass pipeline, the main pipe is communicated with the heat inlet 9 of the plate heat exchanger 4, the bypass pipeline is communicated with the inlet pipeline 11 and is located at a position between the first valve V1 and the third valve V3, and the bypass pipeline is provided with a second valve V2. High-temperature hot water produced by the boiler is conveyed to the phase change heat storage equipment and the plate heat exchanger by the motor acting, and returns to the normal-pressure heat storage boiler for reheating after heat release, so that the high-temperature hot water forms a circulating system.
Meanwhile, the inlet pipeline 11 is further connected with a branch pipeline 12, the branch pipeline 12 is communicated to the boiler outlet pipeline 13, and a fourth valve V4 is arranged on the branch pipeline 12.
The valves are electric regulating valves, belong to a switch regulating device, and the opening and closing states of the electric regulating valves at different pipeline positions are controlled in a combined mode, so that high-temperature hot water circulates according to different paths, and the conversion of different heating modes is realized.
Establish circulating water pump 2 on the ordinary pressure electricity heat accumulation boiler 1 outlet pipe, circulating water pump 2 outlet pipe connects 3 imports of phase change heat-retaining equipment, bypass pipeline is established to 3 outlet pipe of phase change heat-retaining equipment, be responsible for 4 inlet pipe ways of fishplate bar heat exchanger, establish V2 on the bypass pipeline and connect to the V1 back that 4 outlet pipe ways of plate heat exchanger, establish V1 on the 4 outlet pipe ways of plate heat exchanger, join the inlet pipe way that connects ordinary pressure electricity heat accumulation boiler 1 after joining with 3 bypass pipe ways of phase change heat-retaining equipment, establish the bypass pipeline on the ordinary pressure electricity heat accumulation boiler 1 inlet pipe way, be responsible for and establish V3 and connect the boiler after, establish V4 and join the boiler outlet pipe on the bypass pipeline and connect circulating water pump 2 after joining.
The utility model discloses a phase transition heat-retaining heating system realizes the conversion of four kinds of heating modes through the switching of controlling each valve:
a heat storage mode: the second valve V2 and the third valve V3 are opened, the first valve V1 and the fourth valve V4 are closed, and the normal-pressure electric heat storage boiler and the water pump are started to start heat storage.
Side accumulation and side supply mode: and (3) opening the third valve V3, closing the fourth valve V4, adjusting the first valve V1 and the second valve V2, starting the normal-pressure electric heat storage boiler and the water pump, and starting to heat while storing heat.
Heat storage individual heating mode: and opening the fourth valve V4, closing the third valve V3, adjusting the first valve V1 and the second valve V2, starting the water pump, and starting the heat storage equipment to supply heat independently.
A combined heating mode: and (3) adjusting the first valve V1, the second valve V2, the third valve V3 and the fourth valve V4, starting the normal-pressure heat storage boiler and the water pump, and starting the normal-pressure heat storage boiler and the heat storage equipment to supply heat jointly.
The utility model discloses a phase transition heat-retaining heating system establishes electric control valve on the by pass line between the normal pressure electricity heat accumulation boiler and plate heat exchanger advances, export pipeline respectively, through the switching state of the different position electric control valve of combination control, realizes the conversion of four kinds of heating modes.
Claims (3)
1. A phase change heat storage heating system, comprising:
the normal-pressure electric heat-storage boiler (1) is provided with a hot water outlet (5) and a cold water inlet (6);
the phase-change heat storage device (3) is provided with a hot water inlet (7) and a heat outlet (8), and the hot water inlet (7) is communicated with the hot water outlet (5) through a boiler outlet pipeline (13);
the plate type heat exchanger (4) is provided with a heat inlet (9) and a cold water outlet (10), and the cold water outlet (10) is communicated to a cold water inlet (6) of the normal-pressure heat storage boiler (1) through an inlet pipeline (11); a first valve (V1) is arranged on the inlet pipeline (11) near the cold water outlet (10), and a third valve (V3) is arranged near the cold water inlet (6);
the heat outlet (8) of the phase-change heat storage equipment (3) is connected with a main pipe and a bypass pipeline, the main pipe is communicated to the heat inlet (9) of the plate type heat exchanger (4), the bypass pipeline is communicated to the position, between the first valve (V1) and the third valve (V3), on the inlet pipeline (11), and the bypass pipeline is provided with a second valve (V2).
2. A phase change heat storage heating system as claimed in claim 1, characterized in that a branch line (12) is connected to the inlet pipe (11), the branch line (12) is connected to the boiler outlet pipe (13), and a fourth valve (V4) is provided on the branch line (12).
3. A phase change heat storage and heating system according to claim 1 or 2, characterized in that a circulating water pump (2) is provided on the boiler outlet pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090918.XU CN213901226U (en) | 2020-12-21 | 2020-12-21 | Phase-change heat storage heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090918.XU CN213901226U (en) | 2020-12-21 | 2020-12-21 | Phase-change heat storage heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213901226U true CN213901226U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023090918.XU Active CN213901226U (en) | 2020-12-21 | 2020-12-21 | Phase-change heat storage heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213901226U (en) |
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2020
- 2020-12-21 CN CN202023090918.XU patent/CN213901226U/en active Active
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