Molten salt storage tank cooling structure

Abstract

The utility model discloses a fused salt storage tank cooling structure in the technical field of heat storage, which comprises a base, a tank body and a support table, the tank body is fixedly connected to the top of the base, the support table is fixedly connected to the middle of the bottom of an inner cavity of the tank body, the rear side of the bottom of the inner cavity of the base is fixedly connected with a circulating pump, and the circulating pump is fixedly connected with a cooling fan. The molten salt storage tank cooling structure comprises a tank body, a circulating pump is arranged in the tank body, a circulating pipe is fixedly connected to the rear side wall of the circulating pump, flow guide grooves are formed in the outer side wall and the top of the tank body, the flow guide grooves are annularly and uniformly distributed, the outer side of the tank body is sleeved with a sealed outer tank, and the tail end of the circulating pipe penetrates through the sealed outer tank and extends to an inner cavity of the sealed outer tank. The molten salt storage tank cooling device is reasonable in structural design, cooling of the molten salt storage tank can be more efficient, meanwhile, the use efficiency of the molten salt storage tank is improved, the temperature of the molten salt storage tank can be controlled, the situation that the internal pressure of the molten salt storage tank is changed due to the too large temperature difference is avoided, damage to the molten salt storage tank is avoided, and economic losses are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat storage, in particular to a molten salt storage tank cooling structure. BACKGROUND

[0002] The key equipment in the photo-thermal power generation system has molten salt storage tank, heat exchanger, steam turbine and the like, wherein the molten salt storage tank plays the role of energy storage in the system, with the development of new energy installation, the molten salt energy storage technology gradually starts to develop in the thermal power field, the key equipment is basically same with the photo-thermal power generation system, the molten salt storage tank may encounter overtemperature problem in the operation process, thus may need to take heat dissipation measures, such as natural convection heat dissipation, to prevent the temperature of the storage tank foundation from being too high.

[0003] The natural convection heat dissipation efficiency of the existing molten salt storage tank is low, and the molten salt storage tank cannot be cooled in time, thereby affecting the use efficiency of the molten salt storage tank, and when the molten salt solution is injected into the molten salt storage tank, the temperature difference between the internal temperature of the molten salt storage tank and the molten salt solution is large, and when the molten salt solution enters the inside of the tank body and contacts the molten salt storage tank, the internal air pressure of the molten salt storage tank is likely to change greatly, the molten salt storage tank is deformed, the molten salt storage tank is damaged, and economic losses are caused, therefore, the molten salt storage tank cooling structure is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a molten salt storage tank cooling structure to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a molten salt storage tank cooling structure, including base, tank body and support platform, the tank body is fixedly connected at the top of the base, the support platform is fixedly connected at the middle of the inner chamber bottom of the tank body, the inner chamber bottom rear side of the base is fixedly connected with circulating pump, the rear side wall of the circulating pump is fixedly connected with circulating pipe, the outer side wall and the top of the tank body are opened with the flow guide groove, and the flow guide groove is evenly distributed in the ring shape, the outer side of the tank body is sleeved with the sealed outer tank, the end of the circulating pipe penetrates the sealed outer tank and extends to the inner chamber of the sealed outer tank, and the end of the circulating pipe is fixedly connected with the shunt pipe on one side, the sealed outer tank and the tank body are fixedly connected with the connecting column, the inner chamber top of the sealed outer tank is fixedly connected with the splash guard, the bottom of the splash guard is fixedly connected with the flow cover on one side, the bottom left side of the tank body is fixedly connected with the drain pipe, the bottom end of the drain pipe penetrates the base and extends to the inner chamber of the base, and the bottom end of the drain pipe is fixedly connected with the electromagnetic valve through the flange.

[0006] Further description of the above technical scheme:

[0007] The inner cavity top and bottom of the base are fixedly connected with support columns, and the support columns are annularly distributed, and the top front side middle of the base is provided with a filling pipe opening.

[0008] As a further description of the above technical solution:

[0009] The inner cavity wall of the tank body is fixedly connected with heating rods, and the heating rods are uniformly distributed, the top left side of the tank body is fixedly connected with a feeding pipe, and the top end of the feeding pipe penetrates through the sealed outer tank and extends to the top of the sealed outer tank, the lower side of the right side wall of the tank body is fixedly connected with a discharging pipe, and the right end of the discharging pipe penetrates through the sealed outer tank and extends to the right side wall of the sealed outer tank.

[0010] As a further description of the above technical solution:

[0011] The inner cavity top of the support table is fixedly connected with a variable frequency motor, the power output shaft top of the variable frequency motor penetrates through the support table and extends to the top of the support table, and the power output shaft top of the variable frequency motor is fixedly connected with a rotating disc, and the bottom outer side of the rotating disc is fixedly connected with a stirring rod.

[0012] As a further description of the above technical solution:

[0013] The lower side of the front side wall of the support table is fixedly connected with an air inlet pipeline, and the front end of the air inlet pipeline penetrates through the tank body and the sealed outer tank and extends to the front side wall of the sealed outer tank, and the front end of the air inlet pipeline is rotatably connected with a sealing door, the front side wall of the sealing door is embedded with a control panel, and the inner cavity four walls of the air inlet pipeline are provided with heat dissipation fans.

[0014] As a further description of the above technical solution:

[0015] The control panel is electrically connected with the circulating pump, the electromagnetic valve, the heating rod, the variable frequency motor and the heat dissipation fan through wires.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] 1. The molten salt storage tank cooling structure, the sealing outer tank is arranged outside the tank body, the tank body and the sealing outer tank are connected through the connecting column, a sealed chamber is formed between the tank body and the sealing outer tank, uniform distribution flow guide grooves are arranged outside the tank body, the circulating pump sucks the cooling liquid in the inner cavity of the base and transports the cooling liquid through the circulating pipe, the cooling liquid is branched through the shunt pipe, under the action of the flow guide cover at the bottom of the splash-proof cover, the cooling liquid flows through the flow guide grooves to comprehensively cool the outside of the tank body, the electromagnetic valve is closed, the chamber between the tank body and the sealing outer tank is filled with the cooling liquid, and the inside of the tank body is continuously cooled, so that the cooling of the molten salt storage tank becomes more efficient, and the use efficiency of the molten salt storage tank is improved.

[0018] 2. The molten salt storage tank cooling structure, the inside of the tank body is preheated by starting the heating rod, the molten salt solution is filled after being heated to a specified temperature, the rotating disc is driven to rotate by starting the frequency conversion motor while the molten salt is filled, the stirring rod is driven to rotate while the rotating disc rotates, the molten salt solution is filled and stirred by the stirring rod, and the molten salt solution is continuously heated by cooperating with the heating rod, so that the temperature of the molten salt storage tank can be controlled, the change of the internal pressure of the molten salt storage tank caused by the large temperature difference is avoided, the damage of the molten salt storage tank is avoided, and economic loss is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic diagram of the molten salt storage tank cooling structure put forward in the utility model;

[0020] Figure 2 It is a rear view three-dimensional structure schematic diagram of the molten salt storage tank cooling structure put forward in the utility model;

[0021] Figure 3 It is a main view cross-sectional structure schematic diagram of the molten salt storage tank cooling structure put forward in the utility model;

[0022] Figure 4 It is a right view cross-sectional structure schematic diagram of the molten salt storage tank cooling structure put forward in the utility model;

[0023] Figure 5 It is a top view partial cross-sectional structure schematic diagram of the molten salt storage tank cooling structure put forward in the utility model;

[0024] Figure 6 It is a base top view cross-sectional structure schematic diagram of the molten salt storage tank cooling structure put forward in the utility model.

[0025] In the figure: 100, base; 110, circulating pump; 111, circulating pipe; 112, shunt pipe; 120, support column; 130, filling pipe; 200, tank body; 201, heating rod; 210, flow guide groove; 220, sealed outer tank; 221, connecting column; 230, splash guard; 231, flow guide cover; 240, drain pipe; 241, electromagnetic valve; 250, feeding pipe; 260, discharging pipe; 300, support table; 310, variable frequency motor; 311, rotating disc; 312, stirring rod; 320, air inlet pipeline; 321, sealing door; 322, control panel; 330, heat dissipation fan. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0028] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The utility model provides a kind of molten salt storage tank cooling structure, the cooling of molten salt storage tank becomes more efficient, also improve the use efficiency of molten salt storage tank, the temperature of molten salt storage tank can be controlled, avoid the change of internal pressure of molten salt storage tank caused by too large temperature difference, avoid causing the damage of molten salt storage tank, avoid economic loss, please refer to Figures 1-6 Including pedestal 100, tank body 200 and support platform 300;

[0030] Please refer to Figures 1-6 The inner cavity bottom rear side of pedestal 100 is fixedly connected with circulating pump 110, the rear side wall of circulating pump 110 is fixedly connected with circulating pipe 111, the inner cavity top and bottom of pedestal 100 are fixedly connected with support column 120, and support column 120 is annularly distributed, and the top front side middle part of pedestal 100 is equipped with filling pipe opening 130;

[0031] Please refer to Figures 1-5The outer side wall and the top of the tank body 200 are provided with flow guide grooves 210, which are annular and uniformly distributed, the outer side of the tank body 200 is sleeved with a sealed outer tank 220, the end of the circulating pipe 111 penetrates through the sealed outer tank 220 and extends to the inner cavity of the sealed outer tank 220, and a shunt pipe 112 is fixedly connected outside the end of the circulating pipe 111, the sealed outer tank 220 and the tank body 200 are fixedly connected by a connecting column 221, the inner cavity of the sealed outer tank 220 is fixedly connected with a splash-proof cover 230 at the top, the bottom of the splash-proof cover 230 is fixedly connected with a flow guide cover 231, the bottom end of the drain pipe 240 penetrates through the base 100 and extends to the inner cavity of the base 100, and the bottom end of the drain pipe 240 is fixedly connected with an electromagnetic valve 241 through a flange, the inner cavity wall of the tank body 200 is fixedly connected with heating rods 201, which are uniformly distributed, the top left side of the tank body 200 is fixedly connected with a feed pipe 250, and the top end of the feed pipe 250 penetrates through the sealed outer tank 220 and extends to the top of the sealed outer tank 220, the right side wall of the tank body 200 is fixedly connected with a discharge pipe 260 at the lower side, and the right end of the discharge pipe 260 penetrates through the sealed outer tank 220 and extends to the right side wall of the sealed outer tank 220, the tank body 200 is fixedly connected to the top of the base 100, the sealed outer tank 220 is provided outside the tank body 200, and the tank body 200 and the sealed outer tank 220 are connected by the connecting column 221, so that a sealed cavity is formed between the tank body 200 and the sealed outer tank 220, and the tank body 200 is provided with uniformly distributed flow guide grooves 210 outside, the circulating pump 110 sucks the coolant in the inner cavity of the base 100 and transports it through the circulating pipe 111, and the coolant is shunted through the shunt pipe 112, and under the action of the flow guide cover 231 at the bottom of the splash-proof cover 230, the coolant flows through the flow guide grooves 210 to comprehensively cool the outside of the tank body 200, and the electromagnetic valve 241 is closed, the coolant fills the cavity between the tank body 200 and the sealed outer tank 220, so that the inside of the tank body 200 is continuously cooled;

[0032] In summary, the cooling of the molten salt storage tank can be made more efficient, and the use efficiency of the molten salt storage tank is also improved.

[0033] Please refer to Figure 1 、 Figure 3 and Figure 4The inner cavity top of the support table 300 is fixedly connected with a variable frequency motor 310, the power output shaft top of the variable frequency motor 310 penetrates through the support table 300 and extends to the top of the support table 300, and the power output shaft top of the variable frequency motor 310 is fixedly connected with a rotating disc 311, the bottom outer side of the rotating disc 311 is fixedly connected with a stirring rod 312, the lower side of the front side wall of the support table 300 is fixedly connected with an air inlet pipeline 320, the front end of the air inlet pipeline 320 penetrates through the jar body 200 and the sealed outer jar 220 and extends to the front side wall of the sealed outer jar 220, the front end of the air inlet pipeline 320 is rotationally connected with a sealing door 321, the front side wall of the sealing door 321 is embedded with a control panel 322, the inner cavity of the air inlet pipeline 320 is provided with a heat dissipation fan 330 between the four walls, the control panel 322 is electrically connected with the circulating pump 110, the electromagnetic valve 241, the heating rod 201, the variable frequency motor 310 and the heat dissipation fan 330 through wires, and the support table 300 is fixedly connected at the inner cavity bottom middle of the jar body 200, the inside of the jar body 200 is preheated by starting the heating rod 201, the molten salt solution is filled after being heated to a specified temperature, the variable frequency motor 310 is started to drive the rotating disc 311 to rotate while the molten salt is filled, the stirring rod 312 is driven to rotate while the rotating disc 311 rotates, the molten salt solution is stirred while being filled, and the molten salt solution is continuously heated by cooperating with the heating rod 201.

[0034] In summary, the temperature of the molten salt storage tank can be controlled, the change of the internal pressure of the molten salt storage tank caused by the large temperature difference is avoided, the damage of the molten salt storage tank is avoided, and economic loss is avoided.

[0035] In specific use, when the molten salt storage tank is used to store molten salt liquid, the sealing door 321 is opened, the inside of the jar body 200 is preheated by starting the heating rod 201 through the control panel 322, the molten salt solution is filled after being heated to a specified temperature, the rotating disc 311 is driven to rotate by starting the variable frequency motor 310 while the molten salt is filled, the stirring rod 312 is driven to rotate while the rotating disc 311 rotates, the molten salt solution is stirred while being filled, and the molten salt solution is continuously heated by cooperating with the heating rod 201, the photo-thermal power generation is performed after the filling is completed, the circulating pump 110 is started when the molten salt storage tank is overheated during operation, the cooling liquid in the inner cavity of the base 100 is transported through the circulating pipe 111 by the circulating pump 110, is branched through the shunt pipe 112, flows through the flow guide groove 210 under the action of the flow guide cover 231 at the bottom of the splash-proof cover 230, comprehensively cools the outside of the jar body 200, the electromagnetic valve 241 is closed, the chamber between the jar body 200 and the sealed outer jar 220 is filled with the cooling liquid, and the inside of the jar body 200 is continuously cooled.

[0036] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A molten salt storage tank cooling structure, characterized by: The utility model provides a kind of water heater, including base (100), tank (200) and support platform (300), the tank (200) is fixedly connected at the top of the base (100), the support platform (300) is fixedly connected at the inner chamber bottom middle of the tank (200), the inner chamber bottom rear side of the base (100) is fixedly connected with circulating pump (110), the rear side wall of the circulating pump (110) is fixedly connected with circulating pipe (111), the outer lateral wall and top of the tank (200) are opened with flow guide groove (210), and the flow guide groove (210) is evenly distributed in ring shape, the outer side of the tank (200) is sleeved with sealed outer tank (220), the end of the circulating pipe (111) penetrates the sealed outer tank (220) and extends to the inner chamber of the sealed outer tank (220), and the end of the circulating pipe (111) is fixedly connected with shunt pipe (112) outside one week, between the sealed outer tank (220) and the tank (200) is fixedly connected with connecting column (221), the inner chamber top of the sealed outer tank (220) is fixedly connected with splash guard (230), the bottom of the splash guard (230) is fixedly connected with flow guide cover (231) outside one week, the bottom left side of the tank (200) is fixedly connected with drain pipe (240), the bottom end of the drain pipe (240) penetrates the base (100) and extends to the inner chamber of the base (100), and the bottom end of the drain pipe (240) is fixedly connected with solenoid valve (241) by flange.

2. The molten salt tank cooling structure according to claim 1, characterized by: The inner chamber top and bottom of the base (100) are fixedly connected with support column (120), and the support column (120) is distributed in ring shape, and the top front side of the base (100) is provided with filling pipe (130) in the middle.

3. The molten salt tank cooling structure according to claim 1, characterized by: The inner chamber wall of the tank (200) is fixedly connected with heating rod (201) outside one week, and the heating rod (201) is evenly distributed, the top left side of the tank (200) is fixedly connected with feed pipe (250), and the top end of the feed pipe (250) penetrates the sealed outer tank (220) and extends to the top of the sealed outer tank (220), the right lateral wall lower side of the tank (200) is fixedly connected with discharge pipe (260), and the right end of the discharge pipe (260) penetrates the sealed outer tank (220) and extends to the right lateral wall of the sealed outer tank (220).

4. The molten salt tank cooling structure according to claim 3, characterized by: The inner chamber top of the support platform (300) is fixedly connected with variable frequency motor (310), the power output shaft top end of the variable frequency motor (310) penetrates the support platform (300) and extends to the top of the support platform (300), and the power output shaft top end of the variable frequency motor (310) is fixedly connected with rotating disc (311), the bottom outside one week of the rotating disc (311) is fixedly connected with stirring rod (312).

5. The molten salt tank cooling structure according to claim 4, characterized by: The lower side of the front side wall of the support table (300) is fixedly connected with an air inlet pipeline (320), the front end of the air inlet pipeline (320) penetrates the tank body (200) and the sealed outer tank (220) and extends to the front side wall of the sealed outer tank (220), the front end of the air inlet pipeline (320) is rotatably connected with a sealing door (321), the front side wall of the sealing door (321) is embedded with a control panel (322), and the inner cavity of the air inlet pipeline (320) is provided with a cooling fan (330) between four walls.

6. The molten salt tank cooling structure according to claim 5, characterized by: The control panel (322) is electrically connected with the circulating pump (110), the electromagnetic valve (241), the heating rod (201), the variable frequency motor (310) and the cooling fan (330) through wires.

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