Cyclic heating device

Abstract

The utility model belongs to the technical field of electric boilers, and particularly relates to a circulation heating device and an electric heating furnace core, a supporting table is fixedly installed at the bottom end of the electric heating furnace core, a plurality of sets of temperature measuring water storage tanks are arranged outside the electric heating furnace core, and circulation cavities are connected to the outer surfaces of the temperature measuring water storage tanks in a sleeved mode. A water suction pump is fixedly installed at the top end of the electric heating furnace core, the input end of the water suction pump is connected with and penetrates through a liquid discharging pipe, and the liquid discharging pipe extends into the electric heating furnace core. According to the circulating heating device, water is heated to be boiled through the electric heating furnace core, hot water is pumped into the temperature measuring water storage tank through the water suction pump, at the moment, the water is injected into the circulating cavity through the water inlet pipe to cool the temperature measuring water storage tank, and after the temperature of the different temperature measuring water storage tanks is reduced to the specified temperature, the water is heated to be boiled. The required temperature is adjusted by controlling the control panel, and the proportioning valve is adjusted according to the temperature requirement, so that hot water at different temperatures can be mixed to the specified temperature.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric boilers, and in particular relates to a circulating heating device. Background Art

[0002] Electric boilers are also called electric heating boilers or electric boilers. As the name suggests, they use electricity as energy and convert it into thermal energy, which is then converted by the boiler to output steam, high-temperature water or organic heat carriers with a certain amount of thermal energy.

[0003] The existing device is provided with a heating device, which presets the temperature and stops heating after heating the water to the specified temperature. The temperature below 100 degrees Celsius cannot effectively sterilize, so it is not safe to drink warm water at this specified temperature. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned technical problems and provide a circulating heating device, which can achieve the effect that water of any temperature can be safely drunk after being heated and sterilized.

[0005] In view of this, the utility model provides a circulating heating device, including an electric heating furnace core, a support platform is fixedly installed at the bottom end of the electric heating furnace core, multiple groups of temperature measuring water storage tanks are arranged outside the electric heating furnace core, the outer surface of the temperature measuring water storage tank is sleeved with a circulation cavity, a water pump is fixedly installed on the top of the electric heating furnace core, the input end of the water pump is connected to and penetrated by a drainage pipe, the drainage pipe extends to the interior of the electric heating furnace core, the output end of the water pump is connected to and penetrated by a discharge pipe, the discharge pipes are respectively connected to and penetrated with the temperature measuring water storage tanks, the discharge pipes are located in communication with the temperature measuring water storage tanks and are connected and penetrated by a control valve, A water inlet pipe is embedded in the middle of the support platform, and the water inlet pipe is respectively connected to and passes through the electric heating furnace core and the circulation cavity, and the water inlet pipe is connected to the connection between the electric heating furnace core and the circulation cavity and passes through a connecting valve, the top of the electric heating furnace core is connected to and passes through a steam pipe, the steam pipes are respectively connected to and pass through the circulation cavity, and the connection between the steam pipe and the circulation cavity is connected to and passes through a steam valve, and a water outlet pipe is embedded in the middle of the support platform, and the water outlet pipes are respectively connected to and pass through the electric heating furnace core and the temperature measuring water storage tank, and the water outlet pipe is connected to the connection between the electric heating furnace core and the temperature measuring water storage tank and passes through a proportional regulating valve.

[0006] Preferably, the end of the water outlet pipe away from the electric heating furnace core is connected to and penetrated by a faucet, and a control panel is fixedly installed above the support platform, and the control panel controls the opening of the proportional regulating valve.

[0007] Preferably, gaps are provided between the temperature measuring water storage tank and the circulation cavity, as well as between adjacent circulation cavities, and each pipe connection end is provided with a heat insulation pad.

[0008] Preferably, a return pipe is embedded inside the support platform, the return pipe is connected to and passes through the circulation cavity, a connecting valve is connected to and passes through the connection between the return pipe and the circulation cavity, the end of the return pipe away from the circulation cavity is connected to and passes through an insulated water tank, a one-way guide valve is provided at the top of the insulated water tank, and an exhaust mechanism is provided above the one-way guide valve.

[0009] Preferably, the insulated water tank and the water inlet pipe are connected and passed through by a circulation pump, and one end of the water inlet pipe away from the insulated water tank and the electric heating furnace core is connected and passed through a switch valve.

[0010] Preferably, the temperature measuring water storage tank is annular and is sleeved on the outer surface of the electric heating furnace core.

[0011] Preferably, a support block is fixedly installed at the bottom end of the temperature measuring water storage tank, and a plurality of support blocks are distributed at equal intervals, and the support blocks are connected to and pass through the circulation cavity.

[0012] The beneficial effects of the utility model are:

[0013] 1. This is a circulation heating device, the electric heating furnace core heats the water to boiling, and the hot water is pumped into the interior of the temperature measuring water tank through a water pump. At this time, the water is first injected into the circulation cavity through the water inlet pipe to cool the temperature measuring water tank. After the temperature of the different temperature measuring water tanks is reduced to a specified temperature, it is returned to the interior of the thermal insulation water tank through the return pipe. The warm water is pumped to the electric heating furnace core through the circulation pump for heating. When the temperature of the temperature measuring water tank is lower than the specified temperature, the electric heating furnace core is heated to generate steam, which is injected into the specified circulation cavity through the steam pipe to increase the temperature. By opening the return pipe and the exhaust mechanism, the hot gas can be discharged from the device, and the condensed water can be returned to the interior of the thermal insulation water tank. The required temperature is adjusted by operating the control panel, and the proportional control valve is adjusted according to the temperature requirement so that hot water of different temperatures can be mixed to the specified temperature.

[0014] 2. This circulating heating device can cool down the temperature measuring water storage tank with water, and can cool down the one with the lowest temperature requirement first. The cooled water is circulated to cool down the next lowest temperature until all the cooling is completed. At the same time, the water can also be circulated to heat it. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the water outlet pipe connection in the utility model;

[0017] Figure 3 This is a schematic diagram of the steam pipe connection in the present utility model;

[0018] Figure 4This is a schematic diagram of the water inlet pipe connection in the utility model.

[0019] The marks in the figure are:

[0020] 1. Electric heating furnace core; 2. Support platform; 3. Temperature measurement and water storage tank; 4. Circulation chamber; 5. Water pump; 6. Drain pipe; 7. Discharge pipe; 8. Control valve; 9. Water inlet pipe; 10. Switch valve; 11. Connecting valve; 12. Steam pipe; 13. Steam valve; 14. Water outlet pipe; 15. Proportional control valve; 16. Faucet; 17. Control panel; 18. Return pipe; 19. Connecting valve; 20. Insulated water tank; 21. One-way guide valve; 22. Exhaust mechanism; 23. Circulation pump. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-Figure 4 This application is described in further detail.

[0022] In this application, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," and "horizontal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe this application and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0023] The embodiment of the present application discloses a circulating heating device, including an electric heating furnace core 1, a support platform 2 is fixedly installed at the bottom end of the electric heating furnace core 1, the electric heating furnace core 1 includes a cavity and an electric heating wire for heating, a plurality of groups of temperature measuring water storage tanks 3 are arranged outside the electric heating furnace core 1, the temperature measuring water storage tanks 3 include a water tank and a temperature measuring device, the outer surface of the temperature measuring water storage tank 3 is sleeved with a circulation cavity 4, a water pump 5 is fixedly installed on the top of the electric heating furnace core 1, the input end of the water pump 5 is connected to and penetrated by a drainage pipe 6, the drainage pipe 6 extends to the interior of the electric heating furnace core 1, the output end of the water pump 5 is connected to and penetrated by a discharge pipe 7, the discharge pipe 7 is respectively connected to and penetrated with the temperature measuring water storage tank 3, the discharge pipe 7 is located at a position connected to and penetrated by a control valve 8, and by setting the control valve 8, it is possible to control which temperature measuring water storage tank 3 is supplied. For water injection, a water inlet pipe 9 is embedded in the middle of the support platform 2. The water inlet pipe 9 is respectively connected to and passed through the electric heating furnace core 1 and the circulation cavity 4. The water inlet pipe 9 is connected to the connection between the electric heating furnace core 1 and the circulation cavity 4 and is passed through a connecting valve 11. By controlling the connecting valve 11, it is possible to control the water injection into that circulation cavity 4. The top of the electric heating furnace core 1 is connected to and passed through a steam pipe 12. The steam pipe 12 is respectively connected to and passed through the circulation cavity 4. The connection between the steam pipe 12 and the circulation cavity 4 is connected and passed through a steam valve 13 to control the outflow direction and time of the steam. A water outlet pipe 14 is embedded in the middle of the support platform 2. The water outlet pipe 14 is respectively connected to and passed through the electric heating furnace core 1 and the temperature measuring water storage tank 3. The water outlet pipe 14 is connected to the connection between the electric heating furnace core 1 and the temperature measuring water storage tank 3 and is passed through a proportional regulating valve 15.

[0024] Based on the above structure, in one embodiment, the end of the water outlet pipe 14 away from the electric heating furnace core 1 is connected to and penetrates a faucet 16. A control panel 17 is fixedly mounted above the support platform 2. The control panel 17 controls the opening of the proportional regulating valve 15. Specifically, by setting the proportional valve, the proportion of hot water discharged at different temperatures can be controlled.

[0025] In this embodiment, the preset temperature of the outlet water is adjusted through the control panel, and the opening size of the proportional regulating valve 15 is controlled to mix hot water of different temperatures to a specified temperature.

[0026] Based on the above structure,

[0027] In one embodiment, a gap is provided between the temperature measurement and water storage tank 3 and the circulation chamber 4, as well as between adjacent circulation chambers 4, and a thermal insulation pad is provided at each pipe connection end. Specifically, the gap can isolate heat loss, and the thermal insulation pad can reduce heat transfer through the pipe.

[0028] Based on the above structure,

[0029] In one embodiment, the support platform 2 is embedded with a return pipe 18, which is connected to and passes through the circulation chamber 4. The connection between the return pipe 18 and the circulation chamber 4 is connected to and passes through a connecting valve 19. The end of the return pipe 18 away from the circulation chamber 4 is connected to and passes through an insulated water tank 20. A one-way valve 21 is provided at the top of the insulated water tank 20, and an exhaust mechanism 22 is provided above the one-way valve 21. The insulated water tank 20 and the water inlet pipe 9 are connected and passed through by a circulating pump 23. The end of the water inlet pipe 9 away from the insulated water tank 20 and the electric heating furnace core 1 is connected to and passes through a switch valve 10. Specifically, through such a setting, water with residual temperature can be collected and kept warm for secondary heating.

[0030] Based on the above structure,

[0031] In one embodiment, the temperature measuring water storage tank 3 is annular and is sleeved on the outer surface of the electric heating furnace core 1. Specifically, such an arrangement can save space.

[0032] Based on the above structure,

[0033] In one embodiment, a support block is fixedly mounted at the bottom end of the temperature-measuring water storage tank 3. Multiple support blocks are evenly spaced and connected to and extend through the circulation chamber 4. In this embodiment, the support block serves to elevate the temperature-measuring water storage tank 3 relative to the circulation chamber 4, enabling heating and cooling of the bottom end.

[0034] When a circulation heating device of this embodiment is in use, water is heated to boiling by the electric heating furnace core 1, and the hot water is pumped into the interior of the temperature measuring water storage tank 3 through the water pump 5. At this time, water is first injected into the circulation cavity 4 through the water inlet pipe 9 to cool the temperature of the temperature measuring water storage tank 3. After the temperature of the different temperature measuring water storage tanks 3 is reduced to a specified temperature, it flows back to the interior of the thermal insulation water tank 20 through the return pipe 18, and the warm water is pumped to the electric heating furnace core 1 through the circulation pump 23 for heating. When the temperature of the temperature measuring water storage tank 3 is lower than the specified temperature, the electric heating furnace core 1 is heated to generate steam, which is injected into the specified circulation cavity through the steam pipe 12 to increase the temperature. By opening the return pipe 18 and the exhaust mechanism 22, the hot gas can be discharged from the device, and the condensed water can flow back to the interior of the thermal insulation water tank 20. The required temperature can be adjusted by operating the control panel 17, and the proportional control valve 15 is adjusted according to the temperature requirement so that hot water of different temperatures can be mixed to the specified temperature;

[0035] Especially when cooling the temperature measuring water storage tank 3 by water, the one with the lowest temperature requirement can be cooled first, and the cooled water is circulated to cool the next lowest one until all the cooling is completed. It can also be understood as circulating and heating the water.

[0036] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A circulating heating device, comprising: an electric heating furnace core (1) having a support platform (2) fixedly mounted at the bottom end thereof, characterized in that: The electric heating furnace core (1) is provided with multiple groups of temperature measuring and water storage tanks (3), and the outer surfaces of the temperature measuring and water storage tanks (3) are sleeved with a circulation cavity (4); A water pump (5) is fixedly installed on the top of the electric heating furnace core (1); the input end of the water pump (5) is connected to and penetrated by a drainage pipe (6); the drainage pipe (6) extends to the interior of the electric heating furnace core (1); the output end of the water pump (5) is connected to and penetrated by a discharge pipe (7); the discharge pipes (7) are respectively connected to and penetrated by the temperature measuring water storage tank (3); the discharge pipe (7) is located in communication with the temperature measuring water storage tank (3) and is connected to and penetrated by a control valve (8); A water inlet pipe (9) is embedded in the middle of the support platform (2), and the water inlet pipe (9) is connected to and passes through the electric heating furnace core (1) and the circulation cavity (4) respectively. A connecting valve (11) is connected to and passes through the connection between the water inlet pipe (9), the electric heating furnace core (1) and the circulation cavity (4); The top end of the electric heating furnace core (1) is connected to and penetrated by a steam pipe (12), the steam pipes (12) are respectively connected to and penetrated by the circulation cavity (4), and the connection between the steam pipe (12) and the circulation cavity (4) is connected to and penetrated by a steam valve (13); A water outlet pipe (14) is embedded in the middle of the support platform (2), and the water outlet pipe (14) is respectively connected to and passes through the electric heating furnace core (1) and the temperature measuring water storage tank (3). A proportional regulating valve (15) is connected to and passes through the connection between the water outlet pipe (14), the electric heating furnace core (1) and the temperature measuring water storage tank (3).

2. A circulating heating device according to claim 1, characterized in that: The end of the water outlet pipe (14) away from the electric heating furnace core (1) is connected to and penetrated by a faucet (16); a control panel (17) is fixedly installed above the support platform (2); and the control panel (17) controls the opening of the proportional regulating valve (15).

3. A circulating heating device according to claim 1, characterized in that: Gaps are provided between the temperature measuring water storage tank (3) and the circulation cavity (4), as well as between adjacent circulation cavities (4), and each pipe connection end is provided with a heat insulation pad.

4. A circulating heating device according to claim 1, characterized in that: A return pipe (18) is embedded in the interior of the support platform (2), the return pipe (18) is connected to and passes through the circulation cavity (4), a connecting valve (19) is connected to and passes through the connection between the return pipe (18) and the circulation cavity (4), an end of the return pipe (18) away from the circulation cavity (4) is connected to and passes through a heat preservation water tank (20), a one-way guide valve (21) is provided at the top end of the heat preservation water tank (20), and an exhaust mechanism (22) is provided above the one-way guide valve (21).

5. A circulating heating device according to claim 4, characterized in that: The heat preservation water tank (20) and the water inlet pipe (9) are connected and connected through a circulation pump (23); and one end of the water inlet pipe (9) away from the heat preservation water tank (20) and the electric heating furnace core (1) is connected and connected with a switch valve (10).

6. A circulating heating device according to claim 1 or 3, characterized in that: The temperature measuring water storage tank (3) is in the shape of a circular ring and is sleeved on the outer surface of the electric heating furnace core (1).

7. A circulating heating device according to claim 1, characterized in that: A support block is fixedly mounted on the bottom end of the temperature measuring water storage tank (3), and a plurality of support blocks are distributed at equal intervals, and the support blocks are connected to and connected with the circulation cavity (4).

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