Electrode type boiler for heating molten salt

Abstract

The utility model relates to the field of boilers, in particular to an electrode type boiler for heating molten salt, which comprises a boiler body, a temperature detector, a pressure detector, a water level detector, a heating component and a jet component. The electrode plates of the electrode type boiler for heating the fused salt are arranged to be of the annular structure so that the sprayed fused salt can be received in all directions, the heating area can be increased, the fused salt can be heated more evenly, the temperature, the air pressure and the water level inside the boiler can be detected in real time by arranging a relevant detection structure, the internal state can be known in real time, and the safety of the boiler is improved. By arranging an annular electrode plate arranged on the outer side of a spray pipe in a sleeving mode, the spray pipe can spray fused salt to the annular electrode plate in the annular direction under the action of a second pressure controller, the annular electrode plate can receive the fused salt sprayed out of the spray pipe in all directions, and heating is more uniform; the temperature detector, the pressure detector and the water level detector are arranged on the boiler body, so that the temperature, air pressure and water level change conditions in the boiler body can be detected in real time.

Description

Technical Field

[0001] The utility model relates to the field of boilers, in particular to an electrode boiler for heating molten salt. Background Art

[0002] Molten salt is a molten body formed after salts are melted, which is composed of metal cations and non-metal anions. Common molten salts include molten bodies of alkali metal and alkaline earth metal halides, nitrates, and sulfates. Molten salt is solid at standard temperature and atmospheric pressure, and turns into liquid when the temperature rises to a certain degree. The electrode boiler for heating molten salt is mainly used in various industrial application scenarios that require high-temperature molten salt as a heat transfer or energy storage medium to heat the molten salt.

[0003] In the existing electrode boiler for heating molten salt, the electrode plates are usually locally arranged and cannot receive the sprayed molten salt in all directions, resulting in limited heating area. Moreover, there is no relevant detection structure on the boiler to detect the temperature, air pressure, water level, etc. inside the boiler in real time, which is prone to safety accidents due to improper heating.

[0004] Therefore, aiming at the problems of the existing electrode boiler for heating molten salt, where the electrode plates are usually locally arranged and cannot receive the sprayed molten salt in all directions, resulting in limited heating area, and there is no relevant detection structure on the boiler to detect the temperature, air pressure, water level, etc. inside the boiler in real time, which is prone to safety accidents due to improper heating. By setting the electrode plates of the electrode boiler for heating molten salt into a ring structure, the sprayed molten salt can be received in all directions, the heating area can be increased, the molten salt can be heated more evenly, and by setting relevant detection structures to detect the temperature, air pressure and water level inside the boiler in real time, the internal state can be understood in real time, making it safer and more reliable. Content of the Utility Model

[0005] In order to overcome the problems of the existing electrode boiler for heating molten salt, where the electrode plates are usually locally arranged and cannot receive the sprayed molten salt in all directions, resulting in limited heating area, and there is no relevant detection structure on the boiler to detect the temperature, air pressure, water level, etc. inside the boiler in real time, which is prone to safety accidents due to improper heating.

[0006] The technical solution of the utility model is: an electrode boiler for heating molten salt, which includes a furnace body, a temperature detector, a pressure detector, a water level detector, a heating component and a spraying component. A heating component for heating the molten salt is fixedly installed in the middle of the upper end of the furnace body. A spraying component for spraying the molten salt is fixedly installed at the lower end of the furnace body. A pressure detector for detecting the pressure inside the furnace body is fixedly installed at the left part of the upper end of the furnace body. A water level detector for detecting the water level inside the furnace body is fixedly installed at the right part of the upper end of the furnace body. A temperature detector for detecting the temperature change inside the furnace body is fixedly installed at a position near the bottom of the right end of the furnace body.

[0007] Preferably, by setting the electrode plates of the electrode boiler for heating molten salt into a ring structure, the sprayed molten salt can be received omnidirectionally, the heating area can be increased, the molten salt can be heated more evenly, and by setting relevant detection structures to detect the internal temperature, air pressure and water level of the boiler in real time, the internal state can be understood in real time, which is safer and more reliable. By setting an annular electrode plate sleeved outside the spray pipe, the spray pipe can spray molten salt circumferentially towards the annular electrode plate under the action of the second pressure controller, and the annular electrode plate can receive the molten salt sprayed from the spray pipe omnidirectionally and be heated more evenly. By setting a temperature detector, a pressure detector and a water level detector on the furnace body, the temperature, air pressure and water level changes inside the furnace body can be detected in real time. When an abnormality occurs, each detector will send an alarm to remind, so that timely treatment can be made to avoid safety accidents caused by abnormalities. With the cooperation of each detector, the safety can be greatly improved.

[0008] Preferably, the heating assembly includes an annular electrode plate, a heating coil and a control module. The annular electrode plate is located inside the furnace body, and two groups of heating coils for heating are arranged oppositely left and right at the upper end of the annular electrode plate.

[0009] Preferably, the end of the heating coil passes through the inner side of the furnace body and extends to the outside. A control module for controlling the temperature and working state of the annular electrode plate is fixedly connected between the two groups of heating coils. By setting the control module, the temperature and working state of the annular electrode plate can be adjusted according to different heating requirements.

[0010] Preferably, the spraying assembly includes a collection tank, a spray pipe, spray holes, a feed pipe and a second pressure controller. A spray pipe for spraying molten salt is fixedly installed in the middle of the upper end of the collection tank, and the spray pipe passes through the lower end of the furnace body and extends to the inside.

[0011] Preferably, spray holes for spraying molten salt are linearly distributed and circumferentially arranged on the upper surface of the spray pipe. The upper part of the spray pipe is located inside the annular electrode plate. By arranging the part of the spray pipe with spray holes inside the annular electrode plate, it is convenient for the annular electrode plate to receive the sprayed molten salt and heat it.

[0012] Preferably, a feed pipe for introducing molten salt is fixedly installed on the left side of the upper end of the collection tank, a control valve for controlling the inlet and outlet is arranged outside the feed pipe, and a second pressure controller for controlling the pressure inside the collection tank is fixedly installed on the front side of the upper end of the collection tank. By setting the second pressure controller, the heated molten salt can be completely exported by changing the pressure.

[0013] Preferably, the pressure detection head of the pressure detector extends through the upper end of the furnace body to the inside, the temperature sensing head of the temperature detector extends through the outside of the furnace body to the inside, the water level sensing head of the water level detector extends through the upper end of the furnace body to the bottom of the furnace body, a discharge pipe for discharging the heated molten salt is fixedly installed at the rear end of the furnace body, a control valve for controlling the inlet and outlet is provided outside the discharge pipe, and a first pressure controller for controlling the pressure magnitude is provided on the control valve outside the discharge pipe. By setting the first pressure controller, the injection pressure at the nozzle can be appropriately adjusted according to the actual situation.

[0014] Advantages of the present utility model:

[0015] 1. By setting the electrode plates of the electrode boiler for heating molten salt into an annular structure, the sprayed molten salt can be received all around, the heating area can be increased, the molten salt can be heated more evenly, and by setting relevant detection structures to detect the temperature, air pressure and water level inside the boiler in real time, the internal state can be understood in real time, which is safer and more reliable;

[0016] 2. By setting an annular electrode plate sleeved outside the nozzle and linearly distributing and surrounding spray holes on the surface of the part of the nozzle located inside the annular electrode plate, the spray holes can spray molten salt towards the circumferential direction of the annular electrode plate under the action of the second pressure controller. The annular electrode plate can receive the molten salt sprayed from the nozzle all around, and the molten salt can be heated more evenly;

[0017] 3. By setting a temperature detector, a pressure detector and a water level detector on the furnace body, the temperature, air pressure and water level changes inside the furnace body can be detected in real time. When an abnormality occurs, each detector will issue an alarm to remind, so that timely treatment can be made to avoid safety accidents caused by abnormalities. With the cooperation of each detector, the safety can be greatly improved. Description of the Drawings

[0018] Figure 1 Shown is a schematic three-dimensional structure diagram of the overall electrode boiler for heating molten salt of the present utility model;

[0019] Figure 2 Shown is a schematic three-dimensional structure diagram of another angle of the electrode boiler for heating molten salt of the present utility model;

[0020] Figure 3 Shown is a schematic three-dimensional structure diagram of the heating component body of the electrode boiler for heating molten salt of the present utility model;

[0021] Figure 4 Shown is a schematic three-dimensional structure diagram of the injection component of the electrode boiler for heating molten salt of the present utility model;

[0022] Figure 5The figure shows a three-dimensional structural schematic diagram of a water level detector for an electrode boiler that heats molten salt according to the present utility model;

[0023] Figure 6 The figure shows a three-dimensional structural schematic diagram of a pressure detector for an electrode boiler that heats molten salt according to the present utility model.

[0024] Description of reference numerals: 1, furnace body; 4, temperature detector; 5, pressure detector; 6, pressure detection head; 7, water level detector; 8, water level sensing head; 9, discharge pipe; 10, first pressure controller; 201, annular electrode plate; 202, heating coil; 203, control module; 301, collection box; 302, injection pipe; 303, injection hole; 304, feed pipe; 305, second pressure controller. Specific embodiments

[0025] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0026] Please refer to Figures 1-6 , the present utility model provides an embodiment: an electrode boiler for heating molten salt, including a furnace body 1, a temperature detector 4, a pressure detector 5, a water level detector 7, a heating component, and an injection component. A heating component for heating molten salt is fixedly installed in the middle of the upper end of the furnace body 1, and an injection component for injecting molten salt is fixedly installed at the lower end of the furnace body 1. A pressure detector 5 for detecting the pressure condition inside the furnace body 1 is fixedly installed at the left part of the upper end of the furnace body 1. The model of the pressure detector 5 is MPX2010. A water level detector 7 for detecting the water level condition inside the furnace body 1 is fixedly installed at the right part of the upper end of the furnace body 1. The model of the water level detector 7 is WH311. A temperature detector 4 for detecting the temperature change condition inside the furnace body 1 is fixedly installed at a position near the bottom of the right end of the furnace body 1. The model of the temperature detector 4 is PT100. The pressure detection head 6 of the pressure detector 5 passes through the upper end of the furnace body 1 and extends to the inside. The temperature sensing head of the temperature detector 4 passes through the outside of the furnace body 1 and extends to the inside. The water level sensing head 8 of the water level detector 7 passes through the upper end of the furnace body 1 and extends to the bottom of the furnace body 1. A discharge pipe 9 for discharging the heated molten salt is fixedly installed at the rear end of the furnace body 1. A control valve for controlling the inlet and outlet is provided on the outside of the discharge pipe 9, and a first pressure controller 10 for controlling the pressure magnitude is provided on the control valve outside the discharge pipe 9. By setting the first pressure controller 10, the injection pressure at the injection pipe can be appropriately adjusted according to the actual situation.

[0027] Please refer to Figure 3, in this embodiment, the heating component includes a circular electrode plate 201, a heating coil 202 and a control module 203. The circular electrode plate 201 is placed inside the furnace body 1. At the upper end of the circular electrode plate 201, two groups of heating coils 202 for heating are arranged opposite to each other left and right. The end of the heating coil 202 passes through the inner side of the furnace body 1 and extends to the outside. A control module 203 for controlling the temperature and working state of the circular electrode plate 201 is fixedly connected between the two groups of heating coils 202. By setting the control module 203, the temperature and working state of the circular electrode plate 201 can be adjusted according to different heating requirements.

[0028] Please refer to Figure 4 , in this embodiment, the spraying component includes a collection box 301, a spraying pipe 302, spray holes 303, a feed pipe 304 and a second pressure controller 305. In the middle of the upper end of the collection box 301, a spraying pipe 302 for spraying molten salt is fixedly installed. The spraying pipe 302 passes through the lower end of the furnace body 1 and extends to the inside. Spray holes 303 for spraying molten salt are linearly distributed and surrounded on the upper surface of the spraying pipe 302. The upper part of the spraying pipe 302 is located inside the circular electrode plate 201. By arranging the part of the spraying pipe with the spray holes 303 inside the circular electrode plate 201, it is convenient for the circular electrode plate 201 to receive the sprayed molten salt and heat it. On the left side of the upper end of the collection box 301, a feed pipe 304 for introducing molten salt is fixedly installed. A control valve for controlling the inlet and outlet is arranged outside the feed pipe 304. On the front side of the upper end of the collection box 301, a second pressure controller 305 for controlling the pressure inside the collection box 301 is fixedly installed. By setting the second pressure controller 305, all the heated molten salt can be discharged by changing the pressure.

[0029] When working, first move the filter to the corresponding position, place it stably, and turn on the switches of relevant structures;

[0030] Then open the control valve outside the feed pipe 304, introduce an appropriate amount of molten salt into the collection box 301, and then close the control valve;

[0031] After that, adjust the pressure at the nozzle to an appropriate value through the second pressure controller 305, so that the spray holes 303 on the spray pipe spray molten salt onto the circular electrode plate 201;

[0032] While the spray pipe is spraying molten salt, adjust the temperature of the circular electrode plate 201 to an appropriate value through the control module 203, and use the circular electrode plate 201 to heat the sprayed molten salt;

[0033] During the heating process of the molten salt in the furnace body 1, the temperature change in the furnace body 1 is detected by the temperature detector 4, the air pressure change in the furnace body 1 is detected by the pressure detector 5, and the water level change in the furnace body 1 is detected by the water level detector 7. When an abnormality is detected, the temperature detector 4, the pressure detector 5, and the water level detector 7 will issue an alarm to remind.

[0034] Through the above steps, by setting the electrode plates of the electrode boiler for heating molten salt into a ring structure, the sprayed molten salt can be received all-round, the heating area can be increased, and the molten salt can be heated more evenly. By setting relevant detection structures to detect the temperature, air pressure and water level inside the boiler in real time, the internal state can be understood in real time, which is safer and more reliable. By setting the annular electrode plate 201 sleeved on the outer side of the spray pipe, and linearly distributing and surrounding the spray holes 303 on the surface of the part of the spray pipe located inside the annular electrode plate 201, the spray holes 303 can spray the molten salt towards the circumferential direction of the annular electrode plate 201 under the action of the second pressure controller 305. The annular electrode plate 201 can receive the molten salt sprayed from the spray pipe all-round, and the molten salt can be heated more evenly. By setting the temperature detector 4, the pressure detector 5, and the water level detector 7 on the furnace body 1, the temperature, air pressure and water level changes inside the furnace body 1 can be detected in real time. When an abnormality occurs, each detector will issue an alarm to remind, so that timely treatment can be made to avoid safety accidents caused by abnormalities, so as to solve the problem that the electrode plates of the existing electrode boilers for heating molten salt are usually locally arranged and cannot receive the sprayed molten salt all-round, resulting in limitations in the heating area, and there are no relevant detection structures on the boiler to detect the temperature, air pressure and water level inside the boiler in real time, and it is easy to cause safety accidents due to improper heating.

Claims

1. An electrode boiler for heating molten salt, comprising a furnace body (1); characterized in that: The furnace body (1) further comprises a temperature detector (4), a pressure detector (5), a water level detector (7), a heating component and a spraying component. A heating component for heating molten salt is fixedly mounted at the middle of the upper end of the furnace body (1). A spraying component for spraying molten salt is fixedly mounted at the lower end of the furnace body (1). A pressure detector (5) for detecting the pressure condition in the furnace body (1) is fixedly mounted at the left upper end of the furnace body (1). A water level detector (7) for detecting the water level condition in the furnace body (1) is fixedly mounted at the right upper end of the furnace body (1). A temperature detector (4) for detecting the temperature change condition in the furnace body (1) is fixedly mounted at the right end of the furnace body (1) near the bottom.

2. The electrode boiler for heating molten salt according to claim 1, characterized in that: The heating assembly comprises an annular electrode plate (201), a heating coil (202) and a control module (203); the annular electrode plate (201) is arranged inside the furnace body (1); two groups of heating coils (202) for heating are arranged opposite to each other on the upper end of the annular electrode plate (201).

3. The electrode boiler for heating molten salt according to claim 1, characterized in that: The ends of the heating coils (202) extend through the inner side of the furnace body (1) to the outer side, and a control module (203) for controlling the temperature and working state of the annular electrode plate (201) is fixedly connected between the two groups of heating coils (202).

4. The electrode boiler for heating molten salt according to claim 1, characterized in that: The injection assembly comprises a collecting box (301), an injection pipe (302), a spray hole (303), a feed pipe (304) and a second pressure controller (305); an injection pipe (302) for injecting molten salt is fixedly installed in the middle of the upper end of the collecting box (301); the injection pipe (302) passes through the lower end of the furnace body (1) and extends to the interior.

5. The electrode boiler for heating molten salt according to claim 4, characterized in that: The upper surface of the injection pipe (302) is provided with injection holes (303) for spraying molten salt in a linearly distributed manner, and the upper part of the injection pipe (302) is located inside the annular electrode plate (201).

6. The electrode boiler for heating molten salt according to claim 5, characterized in that: A feed pipe (304) for introducing molten salt is fixedly installed on the left side of the upper end of the collecting box (301), and a control valve for controlling the inlet and outlet is provided on the outer side of the feed pipe (304). A second pressure controller (305) for controlling the pressure in the collecting box (301) is fixedly installed on the front side of the upper end of the collecting box (301).

7. The electrode boiler for heating molten salt according to claim 1, characterized in that: The pressure detection head (6) of the pressure detector (5) extends through the upper end of the furnace body (1) to the inside, the temperature sensing head of the temperature detector (4) extends through the outer side of the furnace body (1) to the inside, and the water level sensing head (8) of the water level detector (7) extends through the upper end of the furnace body (1) to the bottom of the furnace body (1). A discharge pipe (9) for discharging heated molten salt is fixedly installed at the rear end of the furnace body (1). A control valve for controlling inlet and outlet is provided on the outer side of the discharge pipe (9). A first pressure controller (10) for controlling the pressure is provided on the control valve on the outer side of the discharge pipe (9).

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