Molten salt heat storage device with purging function

Abstract

The utility model discloses a fused salt heat storage device with a purging function, and relates to the technical field of purging of fused salt heat storage devices. Comprising a heat storage device purging mechanism, the heat storage device purging mechanism comprises a mounting table, a heat storage control panel is mounted on one side of the mounting table, a fused salt storage tank is fixedly mounted at the top of the mounting table, fused salt heaters are mounted on the two sides of the fused salt storage tank, a fused salt injection assembly is mounted on one side of the top of the fused salt storage tank, and a molten salt blowing assembly is mounted on the other side of the top of the fused salt storage tank. A heat exchange assembly is installed on the surface of the fused salt storage tank, a bottom layer purging assembly is installed on one side of the fused salt storage tank, and an inner wall purging assembly is fixedly installed on the top of the fused salt storage tank. According to the molten salt tank cleaning device, the inner side of the molten salt tank can be cleaned, the bottom layer and the inner wall of the molten salt tank can be purged correspondingly, impurities and precipitated molten salt can be purged conveniently, convenience is provided for workers, the follow-up using effect of the molten salt tank is improved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molten salt heat storage device purge, in particular to a molten salt heat storage device with a purge function. Background Art

[0002] The use of a large heat storage device in the system can make the system output stable and continuous. This heat storage device is the molten salt heat storage system. The tank body of the molten salt tank is mainly composed of the tank top, tank wall, tank bottom, tank insulation layer, etc. Molten salt has the advantages of high operating temperature, high thermal stability, high specific heat capacity, high convection heat transfer coefficient, low viscosity, low saturated vapor pressure, etc. It is an excellent heat transfer and energy storage medium and has been widely used in the field of solar thermal power generation.

[0003] Currently, a Chinese patent with publication number CN201921562210.4 discloses a molten salt energy storage and heat exchange device. The utility model has a simple structure, low production cost, greatly saves manpower, facilitates the addition and replacement of molten salt, and has high practicality.

[0004] The existing molten salt heat storage device needs to be cleaned and maintained regularly during use, while the above-mentioned comparative document facilitates the addition and replacement of molten salt and has high practicality. However, the above-mentioned device is not convenient for cleaning the inside of the molten salt tank, which is not conducive to purging impurities and precipitated molten salt, affecting the use effect of the molten salt tank. Therefore, we need to provide a molten salt heat storage device with a purging function. Utility Model Content

[0005] The utility model provides a molten salt heat storage device with a purge function, which has the advantage of being able to facilitate the purge operation inside a molten salt tank, thereby solving the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a molten salt heat storage device with a purge function, comprising: a purge mechanism of a heat storage device, the purge mechanism of the heat storage device comprising a mounting platform, a heat storage control panel is installed on one side of the mounting platform, a molten salt storage tank is fixedly installed on the top of the mounting platform, molten salt heaters are installed on both sides of the molten salt storage tank, a molten salt injection assembly is installed on one side of the top of the molten salt storage tank, a heat exchange assembly is installed on the surface of the molten salt storage tank, a bottom purge assembly is installed on one side of the molten salt storage tank, an inner wall purge assembly is fixedly installed on the top of the molten salt storage tank, and a molten salt discharge assembly is installed on the other side of the top of the molten salt storage tank.

[0007] As a molten salt heat storage device with a purge function of the utility model, the molten salt injection assembly includes a salt storage barrel, a barrel cover, an injection pipe, a liquid injection electric control valve, a liquid distribution ring pipe and a molten salt nozzle. The salt storage barrel is fixedly installed on the molten salt storage tank, the barrel cover is rotatably installed on the top of the salt storage barrel, the injection pipe is connected to the bottom of the salt storage barrel, and one end of the injection pipe passes through the molten salt storage tank, the liquid injection electric control valve is installed on the injection pipe, the liquid distribution ring pipe is connected to one end of the injection pipe, the molten salt nozzle is installed on the surface of the liquid distribution ring pipe, and the number of molten salt nozzles is multiple.

[0008] As a molten salt heat storage device with a purge function of the utility model, the heat exchange assembly includes a molten salt heat exchanger, a heat exchange controller, a water inlet pipe and a water outlet pipe. The molten salt heat exchanger is installed in a molten salt storage tank, the heat exchange controller is installed on the molten salt heat exchanger, the water inlet pipe is installed at one end of the molten salt heat exchanger, and the water outlet pipe is connected to the other end of the molten salt heat exchanger.

[0009] As a molten salt heat storage device with a purge function of the utility model, the bottom-level purge assembly includes a first purge fan, a first purge controller, a first air duct and a purge arc tube. The first purge fan is fixedly installed on the molten salt storage tank, the first purge controller is installed on the first purge fan, the first air duct is connected to one end of the first purge fan, and one end of the first air duct passes through the molten salt storage tank, and the purge arc tube is connected to one end of the first air duct.

[0010] As a molten salt heat storage device with a purge function of the utility model, the inner wall purge assembly includes a mounting column, a second air duct, a second purge fan, a second purge controller and a purge ring pipe, the mounting column is fixedly connected to the top of the molten salt storage tank, the second air duct is fixedly installed in the mounting column, and one end of the second air duct passes through the interior of the molten salt storage tank, the second purge fan is connected to the other end of the second air duct, the second purge controller is installed on the second purge fan, and the purge ring pipe is connected to one end of the second air duct.

[0011] As a molten salt heat storage device with a purge function of the utility model, the molten salt discharge assembly includes a salt discharge pipe, a molten salt motor, a salt discharge controller, a spiral pump rod and a salt passing pipe. The salt discharge pipe is fixedly installed in the molten salt storage tank, the molten salt motor is fixedly installed on one side of the mounting column, the salt discharge controller is installed on the molten salt motor, the spiral pump rod is fixedly connected to the output end of the molten salt motor, and the spiral pump rod is located on the inner side of the salt discharge pipe, and the salt passing pipe is connected to one side of the salt discharge pipe.

[0012] The utility model provides a molten salt heat storage device with a purge function. It has the following beneficial effects:

[0013] The molten salt heat storage device with a purge function can clean the inside of the molten salt tank through the arrangement of a purge mechanism of the heat storage device, a mounting platform, a heat storage control panel, a molten salt storage tank, a molten salt heater, a molten salt injection component, a heat exchange component, a bottom purge component, an inner wall purge component and a molten salt discharge component, so as to facilitate corresponding purge of the bottom layer and the inner wall of the molten salt tank, facilitate purge of impurities and precipitated molten salt, provide convenience for staff, improve the effect of subsequent use of the molten salt tank, and improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a side view of the first three-dimensional structure of the utility model;

[0016] Figure 3 It is a side view of the second three-dimensional structure of the utility model;

[0017] Figure 4 It is a three-dimensional diagram of the first partial structure of the utility model;

[0018] Figure 5 It is a third partial structural perspective view of the second embodiment of the present invention;

[0019] Figure 6 It is a three-dimensional diagram of the third partial structure of the utility model;

[0020] Figure 7 It is a third perspective view of the fourth partial structure of the utility model.

[0021] In the figure: 1. Purge mechanism of heat storage device; 11. Mounting platform; 12. Heat storage control panel; 13. Molten salt storage tank; 14. Molten salt heater; 15. Molten salt injection assembly; 16. Heat exchange assembly; 17. Bottom purge assembly; 18. Inner wall purge assembly; 19. Molten salt discharge assembly; 151. Salt storage barrel; 152. Barrel cover; 153. Injection pipe; 154. Liquid injection electric control valve; 155. Liquid distribution ring pipe; 156. Molten salt nozzle; 161. Molten salt heat exchanger; 16 2. Heat exchange controller; 163. Water inlet pipe; 164. Water outlet pipe; 171. First purge fan; 172. First purge controller; 173. First air duct; 174. Purge arc tube; 181. Mounting column; 182. Second air duct; 183. Second purge fan; 184. Second purge controller; 185. Purge ring tube; 191. Salt discharge pipe; 192. Molten salt motor; 193. Salt discharge controller; 194. Screw pump rod; 195. Salt pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0023] See also Figure 1-Figure 7 The utility model provides a technical solution: a molten salt heat storage device with a purge function, comprising a heat storage device purge mechanism 1, the heat storage device purge mechanism 1 comprising a mounting platform 11, a heat storage control panel 12 is mounted on one side of the mounting platform 11, a molten salt storage tank 13 is fixedly mounted on the top of the mounting platform 11, molten salt heaters 14 are mounted on both sides of the molten salt storage tank 13, a molten salt injection assembly 15 is mounted on one side of the top of the molten salt storage tank 13, a heat exchange assembly 16 is mounted on the surface of the molten salt storage tank 13, a bottom purge assembly 17 is mounted on one side of the molten salt storage tank 13, and an inner wall purge assembly 17 is fixedly mounted on the top of the molten salt storage tank 13. A molten salt discharge component 19 is installed on the other side of the top of the molten salt storage tank 13. Through the arrangement of the heat storage device purge mechanism 1, the mounting platform 11, the heat storage control panel 12, the molten salt storage tank 13, the molten salt heater 14, the molten salt injection component 15, the heat exchange component 16, the bottom purge component 17, the inner wall purge component 18 and the molten salt discharge component 19, the inside of the molten salt tank can be cleaned, which is beneficial to the corresponding purge of the bottom and inner wall of the molten salt tank, and is convenient for purging impurities and precipitated molten salt, providing convenience for the staff, improving the effect of the subsequent use of the molten salt tank, and improving the practicality of the device.

[0024] See also Figure 4 The molten salt injection assembly 15 includes a salt storage barrel 151, a barrel cover 152, an injection pipe 153, a liquid injection electric control valve 154, a liquid distribution ring pipe 155 and a molten salt nozzle 156. The salt storage barrel 151 is fixedly installed on the molten salt storage tank 13, the barrel cover 152 is rotatably installed on the top of the salt storage barrel 151, the injection pipe 153 is connected to the bottom of the salt storage barrel 151, and one end of the injection pipe 153 penetrates into the molten salt storage tank 13, the liquid injection electric control valve 154 is installed on the injection pipe 153, the liquid distribution ring pipe 155 is connected to one end of the injection pipe 153, and the molten salt nozzle 156 is installed on the surface of the liquid distribution ring pipe 155, and the number of the molten salt nozzles 156 is multiple. Through the arrangement of the salt storage barrel 151, the barrel cover 152, the injection pipe 153 and the liquid injection electric control valve 154, the molten salt tank can be injected, which is beneficial to injecting the molten salt liquid into the molten salt tank for processing and improving the convenience of the injection operation.

[0025] See also Figure 3The heat exchange component 16 includes a molten salt heat exchanger 161, a heat exchange controller 162, a water inlet pipe 163 and a water outlet pipe 164. The molten salt heat exchanger 161 is installed in the molten salt storage tank 13, the heat exchange controller 162 is installed on the molten salt heat exchanger 161, the water inlet pipe 163 is installed at one end of the molten salt heat exchanger 161, and the water outlet pipe 164 is connected to the other end of the molten salt heat exchanger 161. Through the arrangement of the molten salt heat exchanger 161, the heat exchange controller 162, the water inlet pipe 163 and the water outlet pipe 164, it is convenient to convert heat, which is beneficial to introduce heat into water for use, thereby improving the use effect of the device.

[0026] See also Figure 6 The bottom purge assembly 17 includes a first purge fan 171, a first purge controller 172, a first air duct 173 and a purge arc tube 174. The first purge fan 171 is fixedly installed on the molten salt storage tank 13, the first purge controller 172 is installed on the first purge fan 171, the first air duct 173 is connected to one end of the first purge fan 171, and one end of the first air duct 173 penetrates into the molten salt storage tank 13, and the purge arc tube 174 is connected to one end of the first air duct 173. Through the arrangement of the first purge fan 171, the first purge controller 172, the first air duct 173 and the purge arc tube 174, the bottom layer of the molten salt storage tank 13 can be purged, which is beneficial to the corresponding purge of impurities and precipitated molten salt at the bottom layer of the molten salt storage tank 13, and is convenient for the subsequent discharge of impurities and molten salt, thereby improving the effect of the use of the device.

[0027] See also Figure 5 The inner wall purge assembly 18 includes a mounting column 181, a second air duct 182, a second purge fan 183, a second purge controller 184 and a purge ring pipe 185. The mounting column 181 is fixedly connected to the top of the molten salt storage tank 13, the second air duct 182 is fixedly installed in the mounting column 181, and one end of the second air duct 182 passes through the interior of the molten salt storage tank 13, the second purge fan 183 is connected to the other end of the second air duct 182, and the second purge controller 184 is connected to the second air duct 182. The purge ring pipe 185 is installed on the second purge fan 183 and is connected to one end of the second air duct 182. By setting the mounting column 181, the second air duct 182, the second purge fan 183, the second purge controller 184 and the purge ring pipe 185, the inner side of the molten salt storage tank 13 can be purged, which is beneficial to purge and clean the inner wall of the molten salt storage tank 13, and is beneficial to clean the impurities and molten salt inside the molten salt storage tank 13, thereby improving the use effect of the device.

[0028] See also Figure 7The molten salt discharge component 19 includes a salt discharge pipe 191, a molten salt motor 192, a salt discharge controller 193, a spiral pump rod 194 and a salt passing pipe 195. The salt discharge pipe 191 is fixedly installed in the molten salt storage tank 13, the molten salt motor 192 is fixedly installed on one side of the mounting column 181, the salt discharge controller 193 is installed on the molten salt motor 192, the spiral pump rod 194 is fixedly connected to the output end of the molten salt motor 192, and the spiral pump rod 194 is located on the inner side of the salt discharge pipe 191, and the salt passing pipe 195 is connected to one side of the salt discharge pipe 191. Through the arrangement of the salt discharge pipe 191, the molten salt motor 192, the salt discharge controller 193, the spiral pump rod 194 and the salt passing pipe 195, the molten salt and impurities can be discharged, which is beneficial to the corresponding spiral feeding of the impurities and the molten salt, and improves the convenience of cleaning the impurities and the molten salt.

[0029] When in use, firstly, the barrel cover 152 is rotated to open, and then the corresponding molten salt liquid is added into the salt storage barrel 151, and then the injection pipe 153 is closed, and then the liquid injection electric control valve 154 is started to open through the heat storage control panel 12, and then the molten salt liquid is injected into the liquid distribution ring pipe 155 through the injection pipe 153, and then sprayed into the molten salt storage tank 13 through the molten salt nozzle 156, and then the molten salt heater 14 and the heat exchange component 16 are started through the molten salt storage tank 13 to work, heat the molten salt, and convert the heat of the molten salt, and enter the water through the water inlet pipe 163 to heat the water, and then the hot water is discharged through the water outlet pipe 164 for use;

[0030] When it is necessary to purge and clean the interior of the molten salt storage tank 13, the salt discharge controller 193 is started through the heat storage control panel 12 to control the molten salt motor 192 to rotate, thereby driving the spiral pump rod 194 to rotate in the salt discharge pipe 191, so that the molten salt and impurities are loaded and removed, and then discharged through the salt pipe 195, and the second purge controller 184 is started through the heat storage control panel 12 to control the second purge fan 183 to work, and then the gas is passed to the purge ring pipe through the second air duct 182. 185, the gas is discharged through the side holes on the bottom of the purge ring tube 185, and then the inner wall of the molten salt storage tank 13 is purged and cleaned, and then the first purge controller 172 is started through the heat storage control panel 12 to control the first purge fan 171 to work, and then the gas is passed into the purge arc tube 174 through the first air duct 173, and then discharged through the air holes on one side of the purge arc tube 174, so as to purge the bottom layer of the molten salt storage tank 13, so as to blow the impurities and molten salt to one side of the spiral pump rod 194.

[0031] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A molten salt heat storage device with a purge function, characterized in that: include: A heat storage device purge mechanism (1), the heat storage device purge mechanism (1) comprising a mounting platform (11), a heat storage control panel (12) being mounted on one side of the mounting platform (11), a molten salt storage tank (13) being fixedly mounted on the top of the mounting platform (11), molten salt heaters (14) being mounted on both sides of the molten salt storage tank (13), a molten salt injection assembly (15) being mounted on one side of the top of the molten salt storage tank (13), a heat exchange assembly (16) being mounted on the surface of the molten salt storage tank (13), a bottom purge assembly (17) being mounted on one side of the molten salt storage tank (13), an inner wall purge assembly (18) being fixedly mounted on the top of the molten salt storage tank (13), and a molten salt discharge assembly (19) being mounted on the other side of the top of the molten salt storage tank (13).

2. A molten salt heat storage device with a purge function according to claim 1, characterized in that: The molten salt injection assembly (15) comprises a salt storage barrel (151), a barrel cover (152), an injection pipe (153), a liquid injection electric control valve (154), a liquid distribution ring pipe (155) and a molten salt nozzle (156). The salt storage barrel (151) is fixedly mounted on the molten salt storage tank (13), the barrel cover (152) is rotatably mounted on the top of the salt storage barrel (151), the injection pipe (153) is connected to the bottom of the salt storage barrel (151), and one end of the injection pipe (153) penetrates into the molten salt storage tank (13), the liquid injection electric control valve (154) is mounted on the injection pipe (153), the liquid distribution ring pipe (155) is connected to one end of the injection pipe (153), and the molten salt nozzle (156) is mounted on the surface of the liquid distribution ring pipe (155), and the number of the molten salt nozzles (156) is multiple.

3. The molten salt heat storage device with a purge function according to claim 1, characterized in that: The heat exchange component (16) comprises a molten salt heat exchanger (161), a heat exchange controller (162), a water inlet pipe (163) and a water outlet pipe (164); the molten salt heat exchanger (161) is installed in a molten salt storage tank (13); the heat exchange controller (162) is installed on the molten salt heat exchanger (161); the water inlet pipe (163) is installed at one end of the molten salt heat exchanger (161); and the water outlet pipe (164) is connected to the other end of the molten salt heat exchanger (161).

4. The molten salt heat storage device with a purge function according to claim 1, characterized in that: The bottom-layer purge assembly (17) comprises a first purge fan (171), a first purge controller (172), a first air duct (173) and a purge arc tube (174); the first purge fan (171) is fixedly mounted on the molten salt storage tank (13); the first purge controller (172) is mounted on the first purge fan (171); the first air duct (173) is connected to one end of the first purge fan (171); and one end of the first air duct (173) passes through the molten salt storage tank (13); and the purge arc tube (174) is connected to one end of the first air duct (173).

5. The molten salt heat storage device with a purge function according to claim 1, characterized in that: The inner wall purge assembly (18) comprises a mounting column (181), a second air duct (182), a second purge fan (183), a second purge controller (184) and a purge ring pipe (185); the mounting column (181) is fixedly connected to the top of the molten salt storage tank (13); the second air duct (182) is fixedly installed in the mounting column (181), and one end of the second air duct (182) passes through the interior of the molten salt storage tank (13); the second purge fan (183) is connected to the other end of the second air duct (182); the second purge controller (184) is installed on the second purge fan (183); and the purge ring pipe (185) is connected to one end of the second air duct (182).

6. The molten salt heat storage device with a purge function according to claim 1, characterized in that: The molten salt discharge component (19) comprises a salt discharge pipe (191), a molten salt motor (192), a salt discharge controller (193), a spiral pump rod (194) and a salt passage pipe (195); the salt discharge pipe (191) is fixedly installed in a molten salt storage tank (13); the molten salt motor (192) is fixedly installed on one side of a mounting column (181); the salt discharge controller (193) is installed on the molten salt motor (192); the spiral pump rod (194) is fixedly connected to the output end of the molten salt motor (192); the spiral pump rod (194) is located on the inner side of the salt discharge pipe (191); and the salt passage pipe (195) is connected to one side of the salt discharge pipe (191).

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