CN219913215U - Heat storage water tank heat supply network peak regulation system - Google Patents

Heat storage water tank heat supply network peak regulation system Download PDF

Info

Publication number
CN219913215U
CN219913215U CN202321358122.9U CN202321358122U CN219913215U CN 219913215 U CN219913215 U CN 219913215U CN 202321358122 U CN202321358122 U CN 202321358122U CN 219913215 U CN219913215 U CN 219913215U
Authority
CN
China
Prior art keywords
water
pipe
hot water
heat
water inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321358122.9U
Other languages
Chinese (zh)
Inventor
刘杨
回春生
张宏波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning Huadian Tieling Power Generation Co ltd
Original Assignee
Liaoning Huadian Tieling Power Generation Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liaoning Huadian Tieling Power Generation Co ltd filed Critical Liaoning Huadian Tieling Power Generation Co ltd
Priority to CN202321358122.9U priority Critical patent/CN219913215U/en
Application granted granted Critical
Publication of CN219913215U publication Critical patent/CN219913215U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The utility model discloses a heat storage water tank heat supply network peak shaving system, which comprises a heat storage water tank, a heat exchange head station and a heat supply network system; the heat supply network system comprises a heat supply network water return pipe and a heat supply network water supply pipe, and a water inlet end and a water outlet end of the heat exchange head station are respectively connected with the heat supply network water return pipe and the heat supply network water supply pipe; the lower part of the heat storage water tank is a cold water area, and the upper part of the heat storage water tank is a hot water area; the cold water area is connected with a heat supply network water return pipe through a cold water inlet and outlet pipeline, and the hot water area is connected with a heat supply network water supply pipe through a hot water inlet and outlet pipeline; a water exchange pipeline is arranged between the hot water inlet and outlet pipeline and the water inlet end of the heat exchange head station; the hot water inlet and outlet pipeline comprises a hot water inlet pipe and a hot water outlet pipe which are connected in parallel; the water exchange pipeline comprises a hot water heating pipe and a water storage pipe; hot water flowing out of the heat storage water tank can enter a heat exchange first station through a hot water outlet pipe and a hot water heating pipe to be heated; cold water flowing to the water inlet end of the heat exchange head station can be supplemented into the heat storage water tank through the water storage pipe and the hot water inlet pipe. The utility model can make the water-heat distribution of the heat supply network peak regulation system more flexible.

Description

Heat storage water tank heat supply network peak regulation system
Technical Field
The utility model relates to the technical field of electric power energy, in particular to a heat storage tank heat supply network peak regulation system.
Background
In the cogeneration unit, because the heat load is high in the daytime and the night in the heating period, the power generation load is low in the daytime and the night, the extraction heat supply quantity in the high electric load of the daytime unit is required to be stored through the heat storage water tank system, and then the extraction heat supply quantity is released into a heat supply network at night so as to coordinate the change of the heat supply quantity of the heat supply network and balance the power supply quantity of a power grid and the heat supply quantity of the heat supply network. The existing heat storage water tank system is shown in fig. 1, and a connecting pipeline is not arranged between a hot water inlet and outlet pipeline 27 of the heat storage water tank 1 and the water inlet end of the heat exchange head station 2, so that the operation mode of the heat supply network peak shaving system is not flexible enough when hydraulic and thermal distribution is carried out.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the heat storage water tank heat network peak shaving system, which can enable the hydraulic and thermal distribution modes of the heat storage water tank heat network peak shaving system to be more flexible.
The technical scheme is as follows: in order to achieve the purpose, the heat storage tank heat network peak shaving system comprises a heat storage tank, a heat exchange head station and a heat network system; the heat supply network system comprises a heat supply network water return pipe and a heat supply network water supply pipe, and a water inlet end and a water outlet end of the heat exchange head station are respectively connected with the heat supply network water return pipe and the heat supply network water supply pipe; the lower part of the heat storage water tank is a cold water area, and the upper part of the heat storage water tank is a hot water area; the cold water area is connected with a heat supply network water return pipe through a cold water inlet and outlet pipeline, and the hot water area is connected with a heat supply network water supply pipe through a hot water inlet and outlet pipeline; a water exchange pipeline is arranged between the hot water inlet and outlet pipeline and the water inlet end of the heat exchange head station.
Further, the water exchange pipeline comprises a hot water heating pipe, the hot water inlet and outlet pipeline comprises a hot water inlet pipe and a hot water outlet pipe which are connected in parallel, the water inlet end of the hot water heating pipe is connected with the hot water outlet pipe, and the water outlet end of the hot water heating pipe is connected with the water inlet end of the heat exchange primary station, so that hot water flowing out of the heat storage water tank can enter the heat exchange primary station for heating through the hot water outlet pipe and the hot water heating pipe.
Further, the water exchange pipeline further comprises a water storage pipe, the water inlet end of the water storage pipe is connected with the water inlet end of the heat exchange head station, and the water outlet end of the water storage pipe is connected with the hot water inlet pipe, so that cold water flowing to the water inlet end of the heat exchange head station can be supplemented into the heat storage water tank through the water storage pipe and the hot water inlet pipe.
Further, the water inlet end of the hot water outlet pipe is connected with the hot water area of the heat storage water tank, and the water outlet end of the hot water outlet pipe is connected with a heat supply network water supply pipe; the hot water outlet pipe is provided with a first valve, and the hot water temperature increasing pipe is provided with a second valve; when the first valve and the second valve are both in an open state, part of hot water flowing out of the hot water outlet pipe enters the hot water heating pipe.
Further, the water inlet end of the hot water inlet pipe is connected with a heat supply network water supply pipe, and the water outlet end of the hot water inlet pipe is connected with a hot water area of the heat storage water tank; the hot water inlet pipe is provided with a third valve, and the joint of the water storage pipe and the hot water inlet pipe is positioned between the third valve and the water outlet end of the hot water inlet pipe; a fourth valve is arranged on the water storage pipe; when the third valve is closed and the fourth valve is opened, part of cold water flowing to the water inlet end of the heat exchange primary station enters the water storage pipe.
Further, the hot water inlet pipe is connected with a hot water inlet standby pipe in parallel, the hot water inlet pipe is provided with a fifth valve and a one-way valve, and the hot water inlet standby pipe is provided with a sixth valve and a one-way valve.
The beneficial effects are that: the heat storage water tank heat supply network peak shaving system has the following beneficial effects:
1) A water exchange pipeline is arranged between the hot water inlet and outlet pipeline and the water inlet end of the heat exchange head station, and the existence of the water exchange pipeline enables water body exchange between the hot water inlet and outlet pipeline and the heat supply network water return pipe to bypass the heat exchange head station, so that the hydraulic and thermal distribution mode of the heat storage water tank system is more flexible;
2) The water exchange pipeline comprises a hot water temperature increasing pipe, when the temperature of a hot water area at the upper part of the heat storage tank is lower, hot water flowing out of the heat storage tank can enter a heat exchange first station to be heated after passing through a hot water outlet pipe and the hot water temperature increasing pipe, so that the temperature of the hot water flowing into a heat network system is increased;
3) The water exchange pipeline comprises a water storage pipe, when the system does not need heat storage, cold water which is not subjected to heat exchange by the water inlet end of the heat exchange first station can be supplemented into the heat storage water tank after passing through the water storage pipe and the hot water inlet pipe.
Drawings
FIG. 1 is a schematic diagram of a conventional thermal storage tank system;
FIG. 2 is a schematic illustration of a thermal storage tank system of the present utility model;
FIG. 3 is a schematic view of the direction of water flow when the hot water warming pipe is in operation;
fig. 4 is a schematic view of the water flow direction of the water storage pipe during operation.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
The heat storage tank heat network peak shaving system as described in fig. 1 to 4 comprises a heat storage tank 1, a heat exchange head station 2 and a heat network system. The heat supply network system comprises a heat supply network water return pipe 3 and a heat supply network water supply pipe 4, wherein a water inlet end and a water outlet end of the heat exchange head station 2 are respectively connected with the heat supply network water return pipe 3 and the heat supply network water supply pipe 4, a water supplementing pipe, a circulating pump 7 and a pressurizing pump 8 are sequentially arranged between the heat supply network water return pipe 3 and the heat exchange head station 2 along the water flow direction, and a water supplementing pump 20 is further arranged on the water supplementing pipe.
The lower part of the heat storage water tank 1 is a cold water area 5, the upper part of the heat storage water tank 1 is a hot water area 6, and the middle part of the heat storage water tank 1 is a cold and hot water transition layer. The cold water area 5 is connected with the heat supply network water return pipe 3 through a cold water inlet and outlet pipeline 28, and the hot water area 6 is connected with the heat supply network water supply pipe 4 through a hot water inlet and outlet pipeline 27. A water exchange pipeline is arranged between the hot water inlet and outlet pipeline 27 and the water inlet end of the heat exchange head station 2, so that water exchange between the hot water inlet and outlet pipeline 27 and the heat supply network water return pipe 3 can bypass the heat exchange head station 2, and the hydraulic and thermal distribution mode of the heat storage water tank 1 system is more flexible.
The water exchange pipeline comprises a hot water heating pipe 9. The hot water inlet and outlet pipe 27 comprises a hot water inlet pipe 21 and a hot water outlet pipe 22 which are connected in parallel. The water inlet end of the hot water heating pipe 9 is connected with a hot water outlet pipe 22, and the water outlet end of the hot water heating pipe 9 is connected with the water inlet end of the heat exchange head station 2. As shown in fig. 3, when the heat storage water tank 1 needs to release heat, the temperature of the hot water area 6 at the upper part of the heat storage water tank 1 may be lower, and at this time, the hot water flowing out of the heat storage water tank 1 may enter the hot water heating pipe 9 after passing through the hot water outlet pipe 22, then enter the heat exchange primary station 2 from the hot water heating pipe 9 to be heated, and enter the heat supply pipe 4 of the heat supply network after the temperature rises.
The water exchange pipeline further comprises a water storage pipe 10, the water inlet end of the water storage pipe 10 is connected with the water inlet end of the heat exchange head station 2, the water outlet end of the water storage pipe 10 is connected with a hot water inlet pipe 21, and cold water flowing to the water inlet end of the heat exchange head station 2 can be supplemented into the heat storage water tank 1 through the water storage pipe 10 and the hot water inlet pipe 21. As shown in fig. 4, when the existing heat storage water tank 1 needs to be supplemented with cold water, namely, when water is stored but not stored, the cold water is pressed into the cold water area 5 at the lower part of the heat storage pipe by the circulating pump 7 through the cold water inlet pipe 24, but by adopting the water storage mode, the pressure of the cold water area 5 of the heat storage water tank 1 to the water outlet end of the cold water inlet pipe 24 is larger, so that the energy consumption of the circulating pump 7 is larger; the pressure of the hot water area 6 on the upper part of the heat storage water tank 1 to the water outlet end of the hot water inlet pipe 21 is smaller, so that the energy consumption of the circulating pump 7 can be reduced by adopting a mode of allowing cold water to flow into the heat storage water tank 1 through the water storage pipe 10 and the hot water inlet pipe 21.
The water inlet end of the hot water outlet pipe 22 is connected with the hot water area 6 of the heat storage water tank 1, and the water outlet end of the hot water outlet pipe 22 is connected with the heat supply network water supply pipe 4. The hot water outlet pipe 22 is provided with a first valve 11, and the hot water heating pipe 9 is provided with a second valve 12.
As shown in fig. 3, when the heat storage water tank 1 releases heat, cold water of the heat supply network backwater flows into the cold water area 5 at the lower part of the heat storage water tank 1, high-temperature hot water in the hot water area 6 at the upper part of the heat storage water tank 1 is discharged, the first valve 11 is a pressure regulating door, and at the moment, the first valve 11 is automatically opened, and the high-temperature hot water flows into the heat supply network water supply pipe 4 to supply heat to the heat supply network system.
Sometimes, the temperature of hot water in the hot water area 6 in the heat storage water tank 1 is lower, the second valve 12 is opened at the moment, when the first valve 11 and the second valve 12 are both in an opened state, part of hot water flowing out of the hot water outlet pipe 22 enters the hot water heating pipe 9, so that the hot water with lower temperature enters the heat supply pipe 4 of the heat supply network after being heated by the heat exchange primary station 2, and the system can perform hydraulic and thermal distribution of the system in a flexible operation mode.
The water inlet end of the hot water inlet pipe 21 is connected with the heat supply network water supply pipe 4, and the water outlet end of the hot water inlet pipe 21 is connected with the hot water area 6 of the heat storage water tank 1. The hot water inlet pipe 21 is provided with a third valve 13, and the joint of the water storage pipe 10 and the hot water inlet pipe 21 is positioned between the third valve 13 and the water outlet end of the hot water inlet pipe 21. A fourth valve 14 is provided on the water storage pipe 10. When the heat storage water tank 1 needs to be supplemented with cold water, the fourth valve 14 is opened, part of cold water flowing to the water inlet end of the heat exchange head station 2 enters the water storage pipe 10 and then enters the heat storage water tank 1 through the hot water inlet pipe 21, and the third valve 13 is also closed, so that water in the water storage pipe 10 is prevented from flowing into the heat supply network water supply pipe 4.
The hot water inlet pipe 21 is connected with a hot water inlet standby pipe 23 in parallel, the hot water inlet pipe 21 is provided with a fifth valve 15 and a one-way valve, and the hot water inlet standby pipe 23 is provided with a sixth valve 16 and a one-way valve. The check valve can prevent the water flow on the hot water inlet pipe 21 and the hot water inlet standby pipe 23 from flowing backwards, and when the hot water inlet pipe 21 operates, the hot water inlet standby pipe 23 is standby.
As shown in fig. 2, the cold water inlet and outlet pipeline 28 comprises a cold water inlet pipe 24, a cold water inlet standby pipe 25 and a cold water outlet pipe 26, wherein the cold water inlet pipe 24 is provided with a seventh valve 17 and a one-way valve, the cold water inlet standby pipe 25 is provided with an eighth valve 18 and a one-way valve, and the cold water outlet pipe 26 is provided with a ninth valve 19.
When the heat storage water tank 1 stores heat, the third valve 13 and the fifth valve 15 are opened, high-temperature water flowing out of the heat exchange primary station 2 enters the hot water area 6 at the upper part of the heat storage water tank 1 through the hot water inlet pipe 21, the pressure of the upper area increases to enable the cold water and hot water partition layer to move downwards when the hot water enters, the ninth valve 19 is a pressure regulating door, the nine valves 19 for the pressure rising Gao Shidi of the cold water area 5 are automatically opened, cold water is discharged to the outlet of the circulating pump 7 through the cold water outlet pipe 26, and after the cold water is pumped to the heat exchange primary station 2 by the booster pump 8 to be heated, the hot water is discharged to the heat supply pipe 4 of the heat supply network for a user to use.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims (6)

1. The heat storage water tank heat supply network peak shaving system is characterized in that: the heat exchange system comprises a heat storage water tank (1), a heat exchange head station (2) and a heat supply network system; the heat supply network system comprises a heat supply network water return pipe (3) and a heat supply network water supply pipe (4), and a water inlet end and a water outlet end of the heat exchange head station (2) are respectively connected with the heat supply network water return pipe (3) and the heat supply network water supply pipe (4); the lower part of the heat storage water tank (1) is a cold water area (5), and the upper part is a hot water area (6); the cold water area (5) is connected with the heat supply network water return pipe (3) through a cold water inlet and outlet pipeline (28), and the hot water area (6) is connected with the heat supply network water supply pipe (4) through a hot water inlet and outlet pipeline (27); a water exchange pipeline is arranged between the hot water inlet and outlet pipeline (27) and the water inlet end of the heat exchange head station (2).
2. The thermal storage tank heating network peak shaving system of claim 1, wherein: the water exchange pipeline comprises a hot water heating pipe (9), the hot water inlet and outlet pipeline (27) comprises a hot water inlet pipe (21) and a hot water outlet pipe (22) which are connected in parallel, the water inlet end of the hot water heating pipe (9) is connected with the hot water outlet pipe (22), the water outlet end of the hot water heating pipe (9) is connected with the water inlet end of the heat exchange primary station (2), and hot water flowing out of the heat storage water tank (1) can enter the heat exchange primary station (2) to be heated through the hot water outlet pipe (22) and the hot water heating pipe (9).
3. The thermal storage tank heating network peak shaving system according to claim 2, wherein: the water exchange pipeline further comprises a water storage pipe (10), the water inlet end of the water storage pipe (10) is connected with the water inlet end of the heat exchange head station (2), the water outlet end of the water storage pipe (10) is connected with a hot water inlet pipe (21), and cold water flowing to the water inlet end of the heat exchange head station (2) can be supplemented into the heat storage water tank (1) through the water storage pipe (10) and the hot water inlet pipe (21).
4. The thermal storage tank heating network peak shaving system according to claim 3, wherein: the water inlet end of the hot water outlet pipe (22) is connected with the hot water area (6) of the heat storage water tank (1), and the water outlet end of the hot water outlet pipe (22) is connected with the heat supply network water supply pipe (4); a first valve (11) is arranged on the hot water outlet pipe (22), and a second valve (12) is arranged on the hot water heating pipe (9); when the first valve (11) and the second valve (12) are both in an open state, part of hot water flowing out of the hot water outlet pipe (22) enters the hot water heating pipe (9).
5. The thermal storage tank heating network peak shaving system according to claim 3, wherein: the water inlet end of the hot water inlet pipe (21) is connected with a heat supply network water supply pipe (4), and the water outlet end of the hot water inlet pipe (21) is connected with a hot water area (6) of the heat storage water tank (1); a third valve (13) is arranged on the hot water inlet pipe (21), and the joint of the water storage pipe (10) and the hot water inlet pipe (21) is positioned between the third valve (13) and the water outlet end of the hot water inlet pipe (21); a fourth valve (14) is arranged on the water storage pipe (10); when the third valve (13) is closed and the fourth valve (14) is opened, part of cold water flowing to the water inlet end of the heat exchange head station (2) enters the water storage pipe (10).
6. The thermal storage tank heating network peak shaving system of claim 5, wherein: the hot water inlet pipe (21) is connected with a hot water inlet standby pipe (23) in parallel, the hot water inlet pipe (21) is provided with a fifth valve (15) and a one-way valve (20), and the hot water inlet standby pipe (23) is provided with a sixth valve (16) and the one-way valve (20).
CN202321358122.9U 2023-05-31 2023-05-31 Heat storage water tank heat supply network peak regulation system Active CN219913215U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321358122.9U CN219913215U (en) 2023-05-31 2023-05-31 Heat storage water tank heat supply network peak regulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321358122.9U CN219913215U (en) 2023-05-31 2023-05-31 Heat storage water tank heat supply network peak regulation system

Publications (1)

Publication Number Publication Date
CN219913215U true CN219913215U (en) 2023-10-27

Family

ID=88426832

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321358122.9U Active CN219913215U (en) 2023-05-31 2023-05-31 Heat storage water tank heat supply network peak regulation system

Country Status (1)

Country Link
CN (1) CN219913215U (en)

Similar Documents

Publication Publication Date Title
CN101182940B (en) Solar hot water supply system and heating means thereof
CN107218643A (en) The heating and cooling system of solar cross-season heat-storage heat release is realized using electric heat pump
CN204648424U (en) A kind of solar energy adds air source heat pump central heating systems
CN202008185U (en) Comprehensive heat supply system for gas instantaneous water heater of solar air source heat pump
CN201122001Y (en) Solar hot-water supply system
CN114459163A (en) Solar double-water-tank heat supply system
CN219913215U (en) Heat storage water tank heat supply network peak regulation system
CN208952198U (en) A kind of air source heat pump central heating system
CN215112837U (en) Heat supply network water supply heat storage and discharge heat circulation adjusting system
CN111365747A (en) Multi-energy complementary heating system and heating method
CN202125981U (en) Solar energy and ground heat source heat pump composite heating system
CN212457060U (en) Novel pressure-bearing type hot water system
CN212511863U (en) Novel photo-thermal-thermoelectric coupling system
CN201246890Y (en) Water heater
CN201016064Y (en) Solar heating system of the crude oil storage tank
CN212618577U (en) Gas trigeminy supplies with aquifer energy storage system coupling energy supply system
CN210289966U (en) Vehicle-mounted fuel oil heating system with stepless adjustable heating capacity
CN113237120A (en) Operation adjusting system for power plant flexible peak regulation heat storage water tank
CN209978160U (en) Phase-change heat storage based floor heating and hot water supply system
CN112128726A (en) Steam generator
CN218119865U (en) Heat supply pipe network heat storage system based on distributed heat storage link
CN110375194A (en) A kind of liquid hydrogen hydrogenation stations heat management system
CN215979615U (en) Outlet pipeline structure of performance heater
CN221005213U (en) Hot water supply system
CN216642368U (en) External supply urban hot water system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant