CN-224215299-U - Electric heating single-tank fused salt heat storage steam production system

Abstract

The utility model discloses an electric heating single-tank fused salt heat storage steam generation system, belongs to the technical field of steam generation, and solves the problem that steam is always continuously generated after all water is heated, and the steam generation mode is needed to wait for a long time for preheating. The heat exchange tube is positioned at the central axis of the heat preservation tank, a plurality of spray nozzles are communicated with the peripheral wall of the heat preservation tank, the central axis of the spray nozzles passes through the central axis of the heat preservation tank, and the spray nozzles are used for spraying water mist. The design of the utility model enables the water mist to be sprayed on the surface of the high-temperature heat exchange tube comprehensively through the spray tube orifice, realizes instant heat exchange, and ensures that the process of enabling the water mist to sublimate into steam rapidly avoids sublimation delay caused by contact of a large amount of water with the heat exchange tube, thereby effectively improving steam generation efficiency and shortening preheating time.

Inventors

• LING SHAODONG
• BAO XUHUA
• DING SHENGYUAN
• MU XIAOMING
• XUE JIANKAI
• XU YANG
• LIU LEI

Assignees

• 张家港威孚热能股份有限公司

Dates

Publication Date

20260508

Application Date

20250612

Claims (7)

1. 1. The utility model provides a steam generating system is stored up to electrical heating list jar fused salt, its characterized in that, including heat preservation jar (1), vertical heat exchange tube (7) that arranges therein, heat exchange tube (7) are located the central axis department of heat preservation jar (1), just communicate on the periphery wall of heat preservation jar (1) have a plurality of spraying mouth of pipe (8), a plurality of the central axis of spraying mouth of pipe (8) is through the central axis of heat preservation jar (1), spraying mouth of pipe (8) are used for blowout water smoke.
2. 2. An electrically heated single tank molten salt heat storage steam generating system as claimed in claim 1 wherein the heat exchange tubes (7) are helical with gaps between each turn of heat exchange tubes (7).
3. 3. An electrically heated single tank molten salt heat storage steam generating system as claimed in claim 1 wherein the spacing between the uppermost to lowermost spray nozzles (8) is less than the height of the heat exchange tubes (7).
4. 4. The electric heating single-tank molten salt heat storage steam generation system according to claim 1, further comprising an exhaust port (4), wherein the exhaust port (4) is formed in the top surface of the heat preservation tank (1), and the central axis of the exhaust port is the same as the central axis of the heat preservation tank (1).
5. 5. The electric heating single-tank molten salt heat storage steam generation system according to claim 1, further comprising a gas release pipe (5), wherein the gas release pipe (5) is communicated with the side wall of the heat preservation tank (1), the gas release pipe (5) is communicated with an electromagnetic valve, a gas pressure detection assembly is arranged in the heat preservation tank (1), and the gas pressure detection assembly is coupled with the electromagnetic valve.
6. 6. The electrically heated single tank molten salt heat storage steam generating system of claim 5 wherein said air pressure sensing assembly comprises a pressure sensing controller (10) and an insulating bladder (9) wrapped around the outside thereof, said pressure sensing controller (10) comprising a pressure sensor and a controller coupled thereto, said controller coupled to a solenoid valve.
7. 7. The electric heating single-tank fused salt heat storage steam generation system according to claim 1, wherein a bottom pipe (6) capable of being arranged in an opening and closing manner is communicated with the bottom of the heat preservation tank (1).

Description

Electric heating single-tank fused salt heat storage steam production system Technical Field The utility model relates to the technical field of steam generation, in particular to an electric heating single-tank fused salt heat storage steam generation system. Background The single-tank fused salt heat storage system is an efficient heat energy storage technology, and the fused salt storage system directly heats fused salt to store heat energy through an electric heater, so that fused salt pumps and electric tracing facilities required by the traditional double-tank system are simplified, and the self-power consumption and the operation complexity are reduced. The system is particularly suitable for small and medium-scale steam requirements, can store energy in a period with lower electric power cost, and then generates steam through heat exchange between molten salt and water when required, so as to supply the steam to heating or industrial processes. When a single-tank molten salt heat storage system is used for steam production, a large amount of water is contacted with a molten salt heat exchanger in a normal condition, so that heat exchange between the molten salt heat exchanger and the water is realized, and the water in the molten salt heat exchanger is heated to form steam, but when the molten salt heat exchanger is contacted with a large amount of water, the large amount of water can bear a large amount of heat, so that the steam is continuously generated after all the water is heated, and a long period of time is needed to wait for a preheating party to go on in a steam generation mode. Therefore, an electric heating single-tank fused salt heat storage steam generating system is provided for solving or alleviating the problems. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides an electric heating single-tank fused salt heat storage steam generation system. In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an electric heating list jar fused salt heat storage produces steam system, includes the heat preservation jar, vertically arranges the heat exchange tube in wherein, the heat exchange tube is located the central axis department of heat preservation jar, just the intercommunication has a plurality of spraying mouth of pipe on the peripheral wall of heat preservation jar, a plurality of the central axis of spraying mouth of pipe is through the central axis of heat preservation jar, the spraying mouth of pipe is used for spouting water smoke. Preferably, the heat exchange tubes are spiral, and gaps exist between every two circles of heat exchange tubes. Preferably, the distance between the uppermost end and the lowermost end of the spray nozzles is smaller than the height of the heat exchange tube. Preferably, the heat preservation tank further comprises an exhaust port, wherein the exhaust port is arranged on the top surface of the heat preservation tank, and the central axis of the exhaust port is the same as the central axis of the heat preservation tank. Preferably, the device further comprises a gas release pipe, wherein the gas release pipe is communicated with the side wall of the heat preservation tank, the gas release pipe is communicated with an electromagnetic valve, a gas pressure detection assembly is arranged in the heat preservation tank, and the gas pressure detection assembly is coupled with the electromagnetic valve. Preferably, the air pressure detection assembly comprises a pressure sensing controller and an insulating air bag wrapped outside the pressure sensing controller, wherein the pressure sensing controller comprises a pressure sensor and a controller coupled with the pressure sensor, and the controller is coupled with a solenoid valve. Preferably, the bottom of the heat preservation tank is communicated with a bottom pipe which can be opened and closed. The utility model has the following beneficial effects: According to the utility model, the water mist can be sprayed onto the heat exchange tube of the tumbling as many as possible in the form of the water mist through the spray nozzle, and the heat exchange tube is contacted with the water mist at the first time and generates heat exchange, so that the water mist sublimates into water vapor, and the water can be changed into the water mist at the first time, so that the water is prevented from being slowly sublimated due to contact with a large amount of water, the steam generation efficiency can be accelerated, and the preheating time is shortened. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; Fig. 2 is an enlarged view at a in fig. 1. 1. The heat-insulating tank comprises a heat-insulating tank body, a supporting leg, a tank cover, an air outlet, an air discharging pipe, a bottom pipe, a heat exchange pipe, a spray pipe orifice, a heat-insulating