CN217715109U - Differential pressure branch drainage heat storage structure for heat supply and storage tank - Google Patents
Differential pressure branch drainage heat storage structure for heat supply and storage tank Download PDFInfo
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- CN217715109U CN217715109U CN202221020196.7U CN202221020196U CN217715109U CN 217715109 U CN217715109 U CN 217715109U CN 202221020196 U CN202221020196 U CN 202221020196U CN 217715109 U CN217715109 U CN 217715109U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model provides a pressure differential branch road drainage heat-retaining structure for heat supply heat storage tank, the heat-retaining structure is including heat supply heat storage tank, first export branch pipe, second export branch pipe, heat supply B heater outlet valve door, heat supply B heater income water valve door, first export branch pipe and second export branch pipe one end all are connected with the female pipe in export, heat supply A heater outlet valve door and heat supply B heater outlet valve door are connected respectively to first export branch pipe and the second export branch pipe other end, second export branch pipe one side is connected with the drainage tube, the drainage tube other end is connected with heat storage tank hot water pipe valve door. The utility model discloses can improve heat supply heat storage tank heat storage ability and heat-releasing ability to lasting heat supply time is long, is exporting female pipe to carry hydrothermal in-process toward heat supply circulation water supply female pipe simultaneously, and intraductal pressure accessible drainage tube carries out the drainage release, makes heat supply heat storage tank's heat-retaining return water unanimous with the heat-retaining flow, and the heat-retaining supplies, the return water is balanced.
Description
Technical Field
The utility model relates to a technical field of heat supply energy storage specifically is a pressure differential branch road drainage heat-retaining structure for heat supply heat storage jar.
Background
In the processes of high-quality heat supply, deep adjustment of the unit, peak rush of the unit and rush repair of the unit and heat supply equipment, a hot water heat storage tank of a large heat supply unit becomes an indispensable part of a heat supply system and is widely applied to the heat supply unit.
The heat storage temperature of the hot water heat storage tank is designed to be 98 ℃, the higher the heat storage temperature is, the stronger the heat storage capacity is, the larger the heat release capacity is, and the longer the duration is. The higher the heat storage temperature of the hot water heat storage tank is, the better the heat storage temperature of the hot water heat storage tank is, if the connection arrangement of the heat supply system and the hot water heat storage tank is not good, for example, the connection arrangement of a water supply main pipe is adopted, the required heat storage temperature of the hot water heat storage tank is required to be increased, and the heat storage can be realized only by adopting an isolated heat storage heater, because the heat supply heater has water-break protection, the heat supply steam extraction needs to be cut off and the heat supply system needs to be put into the heat supply system again during isolation, the operation amount is large, the danger coefficient is high, and the heat supply system is basically not adopted; the heat storage of the water supply main pipe is selected, the heat can only be stored to the temperature required by heat supply, the temperature required by heat supply is determined by the local environment temperature, the designed heat storage temperature of the hot water heat storage tank can not be reached, the heat storage capacity is greatly reduced, the heat release capacity is reduced, the duration is shortened, and the effect of the heat storage tank is greatly reduced. Therefore, we propose a pressure difference branch flow-guiding heat storage structure for a heat supply and storage tank.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a pressure differential branch road drainage heat-retaining structure for heat supply and storage tank for solve the technical problem who proposes in the above-mentioned background art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a pressure difference branch flow-guiding heat-storing structure for a heat supply and storage tank is characterized in that a heat supply system comprises a heat supply circulating water return pipe, a heat supply circulating water pump water inlet valve, a heat supply circulating water pump water outlet valve, a heat supply A heater water inlet valve, a heat supply A heater water outlet valve and a heat supply circulating water supply main pipe which are sequentially connected through a pipeline;
the heat storage structure is including heat supply heat storage tank, first export branch pipe, second export branch pipe, heat supply B heater outlet valve, heat supply B heater inlet valve, first export branch pipe and second export branch pipe one end all are connected with female pipe in the export, heat supply A heater outlet valve and heat supply B heater outlet valve are connected respectively to first export branch pipe and the second export branch pipe other end, second export branch pipe one side is connected with the drainage tube, the drainage tube other end is connected with heat storage tank hot water pipe valve, the heat storage tank hot water pipe valve other end has connected gradually heat storage tank heat storage hot water isolation valve, heat storage tank heat storage backwater adjusting valve, heat storage tank hot water isolation valve through the pipeline, the upper portion side interface of heat supply heat storage tank is passed through the pipe connection to the heat storage tank hot water isolation valve other end.
Preferably, the side interface of the lower part of the heat supply and storage tank is sequentially connected with a cold water isolation valve of the heat storage tank, a water replenishing isolation valve of the heat storage tank, a water inlet valve of the heat storage pump, a water outlet valve of the heat storage pump, a cold water isolation valve of the heat storage tank, a cold water pipe valve of the heat storage tank and a water inlet valve of the heat supply B heater through pipelines.
Preferably, the heat storage return water adjusting valve of the heat storage tank and the hot water isolation valve of the heat storage tank are connected with a heat storage tank heat release isolation valve through a pipeline, and the other end of the heat storage tank heat release isolation valve is connected with a heat storage tank water supplement isolation valve and a heat pump storage water inlet valve through a pipeline.
Preferably, the hot water pipe valve of the heat storage tank and the heat storage hot water isolation valve of the heat storage tank are connected with the heat storage tank heat release outlet isolation valve through a pipeline, and the other end of the heat storage tank heat release outlet isolation valve is connected with the heat storage cold water isolation valve of the heat storage tank and the heat storage pump water outlet valve through a pipeline.
Preferably, the female pipe one end of export is connected the female pipe of heat supply circulation water supply, and the other end is connected with heat supply heater bypass door, the other end of heat supply heater bypass door passes through pipe connection heat supply circulating water pump outlet valve, heat supply A heater income water valve, heat supply B heater intake valve, heat storage tank cold water pipe valve.
Preferably, a heating circulating water main valve is arranged at one end of the outlet main pipe, which is close to the heating circulating water supply main pipe.
Preferably, the heat storage tank cold water pipe valve is connected with a heat storage tank water replenishing valve and a heat storage tank water replenishing adjusting valve in sequence through a pipeline, and the other end of the heat storage tank water replenishing adjusting valve is connected with the heat storage tank cold water isolation valve and the heat storage tank water replenishing isolation valve through pipelines.
Preferably, the heat supply circulating water return pipe is further connected with a heat supply circulating water return water replenishing valve through a pipeline, and the heat supply circulating water pump outlet valve are connected with a heat supply circulating water pump recirculation valve through a pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a heat supply B heater is as heat-retaining and heat supply bifunctional auxiliary assembly, auxiliary heat supply A heater carries out cold water heating in step under the heat supply state, supply with hot water to the heat supply circulation in supplying water the female pipe, and under the heat-retaining state, heat supply A heater is cut off, make heat supply heat storage tank be in the heat-retaining work, utilize the auxiliary heat supply circulation of heat supply B heater to supply water the female pipe and carry out hot water heating, carry hot water toward heat supply circulation water supply female pipe through the female pipe of export, make the temperature degree of heat supply circulation water supply female pipe can satisfy heat supply heat storage tank's design temperature fast, improve heat storage capacity and heat release capacity, and last heat supply time is long, carry hydrothermal in-process toward heat supply circulation water supply female pipe at the female pipe of export simultaneously, intraductal pressure accessible drainage tube carries out the drainage release, make heat storage tank's heat-retaining return water unanimous with the heat-retaining flow, the heat-retaining is supplied, the return water is balanced.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the heat supply and storage process of the present invention;
fig. 2 is the schematic view of the partial structure of the differential pressure drainage of the present invention.
In the figure: 1. a heat supply and storage tank; 2. a heat supply A heater; 3. a heat supply B heater; 4. a heat supply circulating water pump; 5. storing the heat pump; 6. a heat supply circulating water return pipe; 7. a heat supply circulating water supply main pipe; 8. a heat supply circulating water return water replenishing valve; 9. the heat supply circulating water is pumped into a water valve; 10. a water outlet valve of the heat supply circulating water pump; 11. a heat supply circulating water pump recirculation valve; 12. a water inlet valve of a heat supply A heater; 13. a water outlet valve of the heat supply A heater; 14. a heating heater bypass door; 15. a water inlet valve of a heat supply B heater; 16. a water outlet valve of the heat supply B heater; 17. a cold water pipe valve of the heat storage tank; 18. a hot water pipe valve of the heat storage tank; 19. a hot water isolation valve of the heat storage tank; 20. a cold water isolation valve of the heat storage tank; 21. a water replenishing isolation valve of the heat storage tank; 22. a water inlet valve for storing the heat pump; 23. a water outlet valve for storing the heat pump; 24. a heat storage tank heat release isolation valve; 25. a heat storage tank heat release outlet isolation valve; 26. a heat storage cold water isolation valve of the heat storage tank; 27. a heat storage hot water isolation valve of the heat storage tank; 28. a heat storage return water adjusting valve of the heat storage tank; 29. a water replenishing valve of the heat storage tank; 30. a heat storage tank water replenishing regulating valve; 31. a first outlet manifold; 32. a second outlet manifold; 33. a drainage tube; 34. a heat supply circulating water outlet main pipe; 35. the heat supply circulating water main valve.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
Referring to fig. 1 and 2, the present embodiment provides a pressure difference branch flow-guiding heat-storing structure for a heat-supplying and storing tank, an adopted heat-supplying system includes a heat-supplying circulating water return pipe 6, a heat-supplying circulating water pumping water inlet valve 9, a heat-supplying circulating water pump 4, a heat-supplying circulating water pump outlet valve 10, a heat-supplying a heater inlet valve 12, a heat-supplying a heater 2, a heat-supplying a heater outlet valve 13, and a heat-supplying circulating water supply main pipe 7, which are sequentially connected through a pipeline, and one end of an outlet main pipe 34, which is close to the heat-supplying circulating water supply main pipe 7, is provided with a heat-supplying circulating water main valve 35;
it should be noted that, the existing work flow of the operation of the heating system of the present heating plant is as follows: when heating, the water for heating is returned by a heat supply circulating water return pipe 6, the water is pumped into a water valve 9 through a heat supply circulating water pump and then enters a heat supply circulating water pump 4 after being opened, the primarily heated hot water is conveyed to a heat supply A heater water inlet valve 12 through a heat supply circulating water pump water outlet valve 10, the water is conveyed into a heat supply A heater 2 for secondary heating after the heat supply A heater water inlet valve 12 is opened, and the hot water is conveyed into a heat supply circulating water supply main pipe 7 through a heat supply circulating water main valve 35 after the temperature is reached by opening a heat supply A heater water outlet valve 13.
Referring to fig. 1 and 2, the heat storage structure adopted in this embodiment includes a heat supply and storage tank 1, a first outlet branch pipe 31, a second outlet branch pipe 32, a heat supply B heater 3, a heat supply B heater outlet valve 16, and a heat supply B heater inlet valve 15, one ends of the first outlet branch pipe 31 and the second outlet branch pipe 32 are both connected to an outlet main pipe 34, the other ends of the first outlet branch pipe 31 and the second outlet branch pipe 32 are respectively connected to a heat supply a heater outlet valve 13 and a heat supply B heater outlet valve 16, one side of the second outlet branch pipe 32 is connected to a drainage pipe 33, the other end of the drainage pipe 33 is connected to a heat storage tank hot water pipe valve 18, the other end of the heat storage tank hot water pipe valve 18 is sequentially connected to a heat storage tank hot water isolation valve 27, a heat storage tank hot water return adjustment valve 28, and a heat storage tank hot water isolation valve 19, and the other end of the heat storage tank hot water isolation valve 19 is connected to an upper interface of the heat storage tank 1 through a pipeline.
In addition, the side interface of the lower part of the heat supply and storage tank 1 is sequentially connected with a cold water isolation valve 20 of the heat storage tank, a water replenishing isolation valve 21 of the heat storage tank, a water inlet valve 22 of the heat storage pump, the heat storage pump 5, a water outlet valve 23 of the heat storage pump, a heat storage cold water isolation valve 26 of the heat storage tank, a cold water pipe valve 17 of the heat storage tank and a water inlet valve 15 of the heat supply B heater through pipelines.
Specifically, the heat storage return water adjusting valve 28 and the hot water isolation valve 19 of the heat storage tank are connected with a heat storage tank heat release isolation valve 24 through a pipeline, and the other end of the heat storage tank heat release isolation valve 24 is connected with a heat storage tank water replenishing isolation valve 21 and a storage heat pump water inlet valve 22 through a pipeline.
More specifically, the hot water pipe valve 18 of the heat storage tank and the hot water isolation valve 27 of the heat storage tank are connected with a heat release outlet isolation valve 25 of the heat storage tank through a pipeline, and the other end of the heat release outlet isolation valve 25 of the heat storage tank is connected with a cold water isolation valve 26 of the heat storage tank and a water outlet valve 23 of the heat storage pump through a pipeline.
More specifically, one end of the outlet main pipe 34 is connected with the heat supply circulation water supply main pipe 7, the other end of the outlet main pipe is connected with the heat supply heater bypass door 14, and the other end of the heat supply heater bypass door 14 is connected with the heat supply circulation water pump water outlet valve 10, the heat supply A heater water inlet valve 12, the heat supply B heater water inlet valve 15 and the heat storage tank cold water pipe valve 17 through pipelines.
Further specifically, the heat storage tank cold water pipe valve 17 is sequentially connected with a heat storage tank water replenishing valve 29 and a heat storage tank water replenishing regulating valve 30 through a pipeline, and the other end of the heat storage tank water replenishing regulating valve 30 is connected with the heat storage tank cold water isolation valve 20 and the heat storage tank water replenishing isolation valve 21 through pipelines.
Further specifically, the heat supply circulating water return pipe 6 is further connected with a heat supply circulating water return water replenishing valve 8 through a pipeline, and the heat supply circulating water pump 4 and the heat supply circulating water pump outlet valve 10 are together connected with a heat supply circulating water pump recirculation valve 11 through a pipeline.
In the above embodiment, it should be noted that, when the heat supply and storage tank 1 stores heat, the heat supply B heater 3 serves as an auxiliary heat storage function, and the heat supply heater bypass door 14, the heat storage tank hot water isolation valve 19, the heat storage tank heat release outlet isolation valve 25, the heat storage tank water replenishing valve 29, the heat storage tank water replenishing adjustment valve 30, and the heat supply circulating water main valve 35 are closed, where the specific heat storage process is as follows: the water delivery of the side interface at the lower part of the heat supply and storage tank 1 is delivered to the water supply isolation valve 21 of the heat storage tank through the opened cold water isolation valve 20 of the heat storage tank, the water supply isolation valve 21 of the heat storage tank is opened to deliver the water to the heat storage pump 5, at the moment, the water inlet valve 22 of the heat storage pump and the water outlet valve 23 of the heat storage pump are correspondingly opened to deliver the water to the cold water isolation valve 26 of the heat storage tank, the cold water isolation valve 26 of the heat storage tank is opened to deliver the water to the heater 3 of the heat supply B for heating and heat storage, at the moment, a cold water pipe valve 17 of the heat storage tank, a water inlet valve 15 of the heat supply B heater and a water outlet valve 16 of the heat supply B heater are correspondingly opened, heated water is sent into a drainage pipe 33 through a first outlet branch pipe 31, hot water finally enters the heat supply heat storage tank 1 from an upper side interface of the heat supply heat storage tank 1 through a hot water pipe valve 18 of the heat storage tank, a heat storage hot water isolation valve 27 of the heat storage tank, a heat storage return water adjusting valve 28 of the heat storage tank and a hot water isolation valve 19 of the heat storage tank which are sequentially opened, and the heat supply heat storage tank 1 can be assisted to quickly reach a designed temperature target;
when supplying heat to an external user, the heat supply B heater 3 is changed into an auxiliary heat supply effect, the auxiliary heat supply A heater synchronously heats water, hot water is conveyed to the outlet main pipe 34 by one end of the first outlet branch pipe 31 and one end of the second outlet branch pipe 32, and then the hot water is conveyed to the heat supply circulation water supply main pipe 7 by the opening of the heat supply circulation water main valve 35, when supplying heat, the pressure in the outlet main pipe 34 is very large, the heat storage tank hot water pipe valve 18 on the drainage pipe 33 is opened during conveying, the heat storage tank hot water storage isolation valve 27 is opened again, the heat storage tank hot water storage return water adjusting valve 28 and the heat storage tank hot water isolation valve 19 are opened, when high-pressure water is supplied to the outlet main pipe 34, partial water is drained through the drainage pipe 33, and the partial pressure drainage is specifically: the heat supply circulating water passing through the heat supply B heater 3 is heated to the designed heat storage temperature of the heat supply and storage tank 1 by utilizing heat supply extraction steam to exchange heat through the heat supply B heater 3, the pressure of the upper part of the heat supply and storage tank 1 is less than 0.25kpa, the pressure of the outlet of a hot water pipe valve 18 of a heat supply system and the heat storage tank is the hot water storage static pressure difference of the heat supply and storage tank 1 and is about 0.26Mpa, a water outlet valve 16 of the heat supply B heater is close to a heat supply circulating water supply main pipe 7 and is about 0.7-1.0 Mpa larger than 0.26Mpa, water at the outlet of the water outlet valve 16 of the heat supply B heater is successfully drained to the upper part of the heat supply and storage tank 1, the heat storage flow is controlled by adjusting the rotating speed of a storage and release heat pump 5 according to the heat supply extraction steam, the outlet of the water outlet valve 16 of the heat supply B heater reaches the designed heat storage tank 1, the heat storage and heat storage tank heat storage water temperature is adjusted by a heat storage and return water adjusting valve 28, the return water temperature of the heat supply and heat storage tank is consistent, and return water are balanced, and the temperature of the return water is completed.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.
Claims (8)
1. A pressure difference branch drainage heat storage structure for a heat supply and storage tank is characterized in that a heat supply system comprises a heat supply circulating water return pipe (6), a heat supply circulating water pump water inlet valve (9), a heat supply circulating water pump (4), a heat supply circulating water pump water outlet valve (10), a heat supply A heater water inlet valve (12), a heat supply A heater (2), a heat supply A heater water outlet valve (13) and a heat supply circulating water supply main pipe (7) which are sequentially connected through a pipeline;
the heat storage structure is including heat supply heat storage tank (1), first export branch pipe (31), second export branch pipe (32), heat supply B heater (3), heat supply B heater outlet valve (16), heat supply B heater inlet valve (15), its characterized in that, first export branch pipe (31) and second export branch pipe (32) one end all are connected with female pipe (34) of export, heat supply A heater outlet valve (13) and heat supply B heater outlet valve (16) are connected respectively to first export branch pipe (31) and second export branch pipe (32) other end, second export branch pipe (32) one side is connected with drainage tube (33), the drainage tube (33) other end is connected with heat storage tank hot water pipe valve (18), heat storage tank hot water pipe valve (18) other end has connected gradually heat storage tank hot water isolation valve (27), heat storage tank return water adjustment valve (28), heat storage tank hot water isolation valve (19) through the pipeline, heat storage tank hot water valve (19) other end connects the upper portion interface of heat storage tank (1) through the pipeline.
2. The pressure difference branch flow-guiding heat-storing structure for the heat-supplying and heat-storing tank according to claim 1, wherein a heat-storing tank cold water isolation valve (20), a heat-storing tank water-replenishing isolation valve (21), a heat-storing pump water-inlet valve (22), a heat-storing pump (5), a heat-storing pump water-outlet valve (23), a heat-storing tank heat-storing cold water isolation valve (26), a heat-storing tank cold water pipe valve (17), and a heat-supplying B heater water-inlet valve (15) are sequentially connected to a lower side interface of the heat-supplying and heat-storing tank (1) through a pipeline.
3. The pressure difference branch drainage heat storage structure for the heat supply and storage tank as claimed in claim 1, wherein the heat storage tank heat storage return water adjusting valve (28) and the heat storage tank hot water isolation valve (19) are connected with a heat storage tank heat release isolation valve (24) through a pipeline, and the other end of the heat storage tank heat release isolation valve (24) is connected with the heat storage tank water supplement isolation valve (21) and the storage heat pump water inlet valve (22) through a pipeline.
4. The differential pressure branch drainage heat storage structure for the heat supply and storage tank is characterized in that the heat storage hot water pipe valve (18) of the heat storage tank and the heat storage hot water isolation valve (27) of the heat storage tank are connected with the heat storage tank heat release outlet isolation valve (25) through a pipeline, and the other end of the heat storage tank heat release outlet isolation valve (25) is connected with the heat storage tank heat storage cold water isolation valve (26) and the heat storage pump water outlet valve (23) through a pipeline.
5. The pressure difference branch flow-guiding heat storage structure for the heat supply and storage tank is characterized in that one end of the outlet main pipe (34) is connected with the heat supply circulation water supply main pipe (7), the other end of the outlet main pipe is connected with the heat supply heater bypass door (14), and the other end of the heat supply heater bypass door (14) is connected with a heat supply circulation water pump water outlet valve (10), a heat supply A heater water inlet valve (12), a heat supply B heater water inlet valve (15) and a heat storage tank cold water pipe valve (17) through pipelines.
6. The differential pressure branch flow-guiding heat storage structure for the heat supply and storage tank is characterized in that one end of the outlet main pipe (34) close to the heat supply and circulation main pipe (7) is provided with a heat supply and circulation water main valve (35).
7. The differential pressure branch drainage heat storage structure for the heat supply and storage tank is characterized in that the heat storage tank cold water pipe valve (17) is sequentially connected with a heat storage tank water replenishing valve (29) and a heat storage tank water replenishing regulating valve (30) through a pipeline, and the other end of the heat storage tank water replenishing regulating valve (30) is connected with a heat storage tank cold water isolation valve (20) and a heat storage tank water replenishing isolation valve (21) through a pipeline.
8. The differential pressure branch flow-guiding heat storage structure for the heat supply and storage tank is characterized in that the heat supply circulating water return pipe (6) is further connected with a heat supply circulating water return water replenishing valve (8) through a pipeline, and the heat supply circulating water pump (4) and the heat supply circulating water pump outlet valve (10) are connected with a heat supply circulating water pump recirculation valve (11) through a pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221020196.7U CN217715109U (en) | 2022-04-29 | 2022-04-29 | Differential pressure branch drainage heat storage structure for heat supply and storage tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221020196.7U CN217715109U (en) | 2022-04-29 | 2022-04-29 | Differential pressure branch drainage heat storage structure for heat supply and storage tank |
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| CN217715109U true CN217715109U (en) | 2022-11-01 |
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| CN202221020196.7U Active CN217715109U (en) | 2022-04-29 | 2022-04-29 | Differential pressure branch drainage heat storage structure for heat supply and storage tank |
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