CN215112554U

CN215112554U - Heat storage and energy storage system

Info

Publication number: CN215112554U
Application number: CN202120716297.7U
Authority: CN
Inventors: 卢如飞; 吴志新; 郑阳
Original assignee: Jinhua Ningneng Thermal Power Co ltd
Current assignee: Jinhua Ningneng Thermal Power Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-10
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a heat storage and energy storage system, including water melting station, moisturizing heater, oxygen-eliminating device, steam boiler, a plurality of isolation valves, water storage device and return water device, water melting station isolatable with the moisturizing heater is linked together through cold demineralized water main pipe, water heater isolatable with the oxygen-eliminating device is linked together through hot demineralized water main pipe, the oxygen-eliminating device isolatable with the steam boiler is linked together through hot demineralized water main pipe; the water storage device is communicated with the hot demineralized water main pipe through a heat storage water inlet main pipe, and a heat storage water inlet main pipe isolation valve is installed on the heat storage water inlet main pipe; the water return device is communicated with the hot desalted water main pipe through a heat storage water return main pipe; this heat accumulation energy storage system can get up unnecessary heat energy storage when the low-load night, and the not enough of heat energy when replenishing the high load in daytime has improved the efficiency and the economic benefits of boiler, has solved because the unbalanced local waste that causes equipment inefficiency of outside heat load.

Description

Heat storage and energy storage system

Technical Field

The utility model relates to a heat energy storage technical field especially relates to a heat accumulation energy storage system.

Background

At present, with the progress of industrialization and the continuous development of society, heat energy is widely applied to the fields of spinning, printing and dyeing, papermaking, chemical industry, pharmacy and the like. The heat energy supply generally adopts the form of heating steam boiler to produce high-temperature steam for energy supply, and the heat energy supply has the characteristic of large difference between day and night of heat load, and is usually high in load during the day and low in load at night. Diurnal variation in heat load results in large diurnal variations in steam boiler load, and in some extreme cases the nighttime boiler load may be less than 50% of the day. The long-term deviation of the steam boiler from the rated evaporation capacity seriously affects the efficiency of the boiler, further affects the economic benefit, and the failure rate of equipment is also improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat accumulation energy storage system.

In order to achieve the above purpose, the specific technical solution of the present invention is as follows:

the utility model provides a heat accumulation energy storage system, includes water melting station, moisturizing heater, oxygen-eliminating device, steam boiler, a plurality of isolation valves, water storage device and return water device, water melting station can keep apart with the moisturizing heater is linked together through the female pipe of cold demineralized water, water heater can keep apart with the oxygen-eliminating device is linked together through the female pipe of thermal demineralized water, the oxygen-eliminating device can keep apart with steam boiler is linked together through the female pipe of thermal demineralized water oxygen-eliminating.

Preferably, the water storage device comprises a heat storage water tank No. 1 and a heat storage water tank No. 2, the front end of the heat storage water tank No. 1 is connected with a heat storage water tank No. 1 water inlet pipe, a heat storage water tank No. 1 water inlet isolation valve is installed on the heat storage water tank No. 1 water inlet pipe, the rear end of the heat storage water tank No. 1 is connected with a heat storage water tank No. 1 water outlet pipe, and a heat storage water tank No. 1 water outlet isolation valve is installed on the heat storage water tank No. 1 water outlet pipe; no. 2 thermal storage water tank inlet tube is connected to thermal storage water tank front end, install No. 2 thermal storage water tank isolating valve that intakes on No. 2 thermal storage water tank inlet tube, No. 2 thermal storage water tank outlet pipe is connected to No. 2 thermal storage water tank rear end, install No. 2 thermal storage water tank on No. 2 thermal storage water tank outlet pipes and go out the water isolating valve.

Preferably, the water storage device is communicated with the hot demineralized water main pipe through a heat storage water inlet main pipe, and a heat storage water inlet main pipe isolation valve is installed on the heat storage water inlet main pipe.

Preferably, the heat storage and water inlet main pipe isolation valve is an electric isolation valve.

Preferably, the water return device comprises a first water pumping device and a second water pumping device, the front end of the first water pumping device is provided with a first water pumping device water inlet isolation valve, and the front end of the first water pumping device is provided with a first water pumping device water outlet isolation valve; the front end of the second water pumping device is provided with a second water pumping device water inlet isolation valve, and the front end of the second water pumping device is provided with a second water pumping device water outlet isolation valve.

Preferably, the water return device is communicated with the hot demineralized water main pipe through a heat storage water return main pipe, and a heat storage water return main pipe isolation valve is installed on the heat storage water return main pipe.

Preferably, the hot return water main pipe isolation valve is an electric isolation valve.

The utility model has the advantages of it is following:

this heat accumulation energy storage system can get up unnecessary heat energy storage when the low-load night, and the not enough of heat energy when replenishing the high load in daytime has improved the efficiency and the economic benefits of boiler, has not only solved because the unbalanced local waste that causes equipment inefficiency of outside heat load, plays the positive effect moreover on equipment safe operation, balanced adjustment heat supply.

Drawings

Fig. 1 is a schematic structural diagram of the heat storage and energy storage system of the present invention.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model provides a heat accumulation energy storage system, including changing water station 1, moisturizing heater 2, oxygen-eliminating device 3, steam boiler 4, No. 1 hot water storage tank 5, No. 2 hot water storage tank 6, first pumping device 7, second pumping device 8 and a plurality of isolation valve, water pipe, steam conduit and constitute.

Specifically, the chemical water station 1 is connected with the water replenishing heater 2 through the cold demineralized water main pipe 20, the isolation valve 25 is installed on the cold demineralized water main pipe 20, cold water is subjected to desalting treatment through the chemical water station 1, the cold demineralized water is changed into the cold demineralized water, the cold demineralized water main pipe 20 enters the water replenishing heater 2 and is heated into hot demineralized water of about 90 ℃ by high-temperature steam, then the hot demineralized water main pipe 11 is entered, and the isolation valve 26 is installed on the hot demineralized water main pipe 11. To this end, the hot demineralized water has two ways to go to, go to the moisturizing heater 2 all the way and be connected with the oxygen-eliminating device 3 through the female pipe 11 of hot demineralized water, hot demineralized water gets into the oxygen-eliminating device 3 along the female pipe 11 of hot demineralized water, carry out the deoxidization at the oxygen-eliminating device 3 to hot demineralized water and handle, deoxidization is handled hot demineralized water and is directly got into steam boiler 4 along the hot demineralized deoxidization female pipe 21 of installing isolation valve 27 that communicates oxygen-eliminating device 3 and steam boiler 4, heat into high temperature steam in steam boiler 4 and provide heat energy outward.

The other way to the water supplementing heater 2 is connected with the heat storage water tank No. 1 and the heat storage water tank No. 2 through a heat storage water inlet main pipe 9 provided with an electric heat storage water inlet main pipe isolation valve 12, and the heat desalted water enters the heat storage water tank No. 1 and the heat storage water tank No. 2 along the heat storage water inlet main pipe 9 to be stored. The No. 1 heat storage water tank 5 is communicated with a heat storage water inlet main pipe 9 through a No. 1 heat storage water tank water inlet pipe 30, and a No. 1 heat storage water tank water inlet isolation valve 13 is installed on the No. 1 heat storage water tank water inlet pipe 30; no. 2 hot water storage tank 6 is communicated with a hot water storage inlet main pipe 9 through a No. 2 hot water storage tank inlet pipe 31, and a No. 2 hot water storage tank inlet isolation valve 14 is installed on the No. 2 hot water storage tank inlet pipe 31. No. 1 hot water storage tank 5 and No. 2 hot water storage tank 6 are connected with first pumping device 7 and second pumping device 8 through heat accumulation play female pipe 21, and first pumping device 7 and second pumping device 8 are linked together through heat accumulation return water female pipe 10 and the female pipe 11 of the heat demineralized water of oxygen-eliminating device 3 front end, install electronic heat accumulation return water female pipe isolating valve 19 on the female pipe 10 of heat accumulation return water. The No. 1 heat storage water tank 5 is communicated with the heat storage water outlet main pipe 22 through a No. 1 heat storage water tank water outlet pipe 32, and a No. 1 heat storage water tank water outlet isolation valve 23 is installed on the No. 1 heat storage water tank water outlet pipe 32; no. 2 heat storage water tank 6 is communicated with the heat storage water outlet main pipe 22 through a No. 2 heat storage water tank water outlet pipe 33, and a No. 2 heat storage water tank water outlet isolation valve 24 is installed on the No. 2 heat storage water tank water outlet pipe 33. The front end of the first water pumping device 7 is provided with a first water pumping device water inlet isolation valve 15, and the front end is provided with a first water pumping device water outlet isolation valve 16; the front end of the second water pumping device 8 is provided with a second water pumping device water inlet isolation valve 17, and the front end is provided with a second water pumping device water outlet isolation valve 18. When the heat energy supply is insufficient and hot water needs to be supplemented, the first water pumping device 7 and the second water pumping device 8 are started to pump out the hot desalted water stored in the heat storage water tank No. 1 and the heat storage water tank No. 2 to the heat desalted water main pipe 11, then the hot desalted water enters the deaerator 3, the deaerator 3 carries out deaerating treatment on the hot desalted water, the deaerated hot desalted water enters the steam boiler 4 along the heat desalted deaerated water main pipe 21 communicated with the deaerator 3 and the steam boiler 4, and the hot desalted water is heated into high-temperature steam in the steam boiler 4 to provide enough heat energy for the outside.

When in use, the water melting station 1 supplies enough cold desalted water at night, the hot desalted water heated to about 90 ℃ by the water replenishing heater 2 enters the hot desalted water main pipe 11. One path of the hot desalting main pipe is directly sent to a deaerator 3 for a steam boiler 4 to use; the other path is stored in a No. 1 heat storage water tank 5 and a No. 2 heat storage water tank 6 through a heat storage water inlet main pipe 9 and is used when the heat load is high in the daytime. In the daytime, the water chemical station 1 only provides part of cold water according to the actual heat load condition, and the other parts are provided by hot demineralized water stored in the heat storage water tank No. 15 and the heat storage water tank No. 26 at night.

The utility model has the advantages that:

this heat accumulation energy storage can get up unnecessary heat energy storage when the low-load night, and the not enough of heat energy when replenishing the high load in daytime has improved the efficiency and the economic benefits of boiler, has not only solved because the unbalanced local waste that causes equipment inefficiency of outside heat load, plays the positive effect moreover on equipment safe operation, balanced adjustment heat supply.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a heat accumulation energy storage system, its characterized in that, including change water station (1), moisturizing heater (2), oxygen-eliminating device (3), steam boiler (4), a plurality of isolation valves, water storage device and return water device, change water station (1) can keep apart with moisturizing heater (2) are linked together through cold demineralized water female pipe (20), water heater (2) can keep apart with oxygen-eliminating device (3) are linked together through hot demineralized water female pipe (11), oxygen-eliminating device (3) can keep apart with steam boiler (4) are linked together through hot demineralized oxygen-eliminating female pipe (21).

2. The heat storage and energy storage system according to claim 1, wherein the water storage device comprises a heat storage water tank No. 1 (5) and a heat storage water tank No. 2 (6), the front end of the heat storage water tank No. 1 (5) is connected with a heat storage water tank No. 1 inlet pipe (30), a heat storage water tank No. 1 inlet water isolation valve (13) is installed on the heat storage water tank No. 1 inlet pipe (30), the rear end of the heat storage water tank No. 1 (5) is connected with a heat storage water tank No. 1 outlet pipe (32), and a heat storage water tank No. 1 outlet water isolation valve (23) is installed on the heat storage water tank No. 1 outlet pipe (32); no. 2 hot water storage tank inlet tube (31) is connected to No. 2 hot water storage tank (6) front end, install No. 2 hot water storage tank on No. 2 hot water storage tank inlet tube (31) and advance water isolation valve (14), No. 2 hot water storage tank outlet pipe (33) is connected to No. 2 hot water storage tank (6) rear end, install No. 2 hot water storage tank on No. 2 hot water storage tank outlet pipe (33) and go out water isolation valve (24).

3. A thermal storage and energy storage system according to claim 2, wherein said water storage means is connected to the hot demineralized water header (11) by means of a thermal storage inlet header (9), said thermal storage inlet header (9) being fitted with a thermal storage inlet header isolation valve (12).

4. A thermal storage and energy storage system according to claim 3, wherein the thermal storage inlet header isolation valve (12) is an electrically operated isolation valve.

5. The heat-storage energy-storage system according to claim 1, wherein the water return device comprises a first water pumping device (7) and a second water pumping device (8), a first water pumping device water inlet isolation valve (15) is installed at the front end of the first water pumping device (7), and a first water pumping device water outlet isolation valve (16) is installed at the front end of the first water pumping device; the front end of the second water pumping device (8) is provided with a second water pumping device water inlet isolation valve (17), and the front end is provided with a second water pumping device water outlet isolation valve (18).

6. A thermal storage and energy storage system according to claim 5, wherein the water return means communicates with the hot demineralized water header (11) via a thermal storage and water return header (10), the thermal storage and water return header (10) being provided with a thermal storage and water return header isolation valve (19).

7. A thermal storage and energy storage system according to claim 6, wherein the hot return header isolation valve (19) is an electrically operated isolation valve.