Semi-immersed high-voltage electrode boiler unit

Abstract

The utility model relates to the technical field of electrode type electric heating, in particular to a semi-immersed high-voltage electrode boiler unit which comprises a bottom plate, a frame is fixedly connected to the bottom plate, an electrode boiler body is mounted on the bottom plate, a boiler circulating pump is mounted on the bottom plate, and the water inlet end of the boiler circulating pump is connected to the water outlet end of the electrode boiler body. The water outlet end of the boiler circulating pump is connected with a water outlet pipe, a plate heat exchanger is installed on the bottom plate, the water inlet end of the plate heat exchanger is connected to the water outlet pipe, the water outlet end of the plate heat exchanger is connected to the water inlet end of the electrode boiler body, and a control cabinet is arranged on the frame. And the field installation effect of a user is facilitated.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electrode type electric heating, in particular to a semi-submerged high-pressure electrode boiler unit. BACKGROUND

[0002] The electrode boiler is a device for converting electric energy into heat energy, and the heating efficiency of the electrode boiler is high, so the electrode boiler is widely applied to the fields of industrial enterprise energy consumption, thermal power peak regulation, clean heating, and civil heating.

[0003] The existing electrode boiler unit mainly comprises an electrode boiler body, a control system, a circulating system, a water replenishing system and the like.

[0004] The prior art in the above has the following defects: the electrode boiler unit has a large floor area, and is inconvenient for user site installation. CONTENT OF THE UTILITY MODEL

[0005] The application provides a semi-submerged high-pressure electrode boiler unit in order to reduce the floor area of the electrode boiler unit and facilitate user site installation.

[0006] The above technical purpose of the application is achieved through the following technical scheme:

[0007] The semi-submerged high-pressure electrode boiler unit comprises a bottom plate, a frame is fixedly connected to the bottom plate, an electrode boiler body is installed on the bottom plate, a boiler circulating pump is installed on the bottom plate, a water inlet end of the boiler circulating pump is connected to a water outlet end of the electrode boiler body, a water outlet end of the boiler circulating pump is connected with a water outlet pipe, a plate heat exchanger is installed on the bottom plate, a water inlet end of the plate heat exchanger is connected to the water outlet pipe, a water outlet end of the plate heat exchanger is connected to a water inlet end of the electrode boiler body, and a control cabinet is arranged on the frame.

[0008] Through the above technical scheme, the electrode boiler body, the boiler circulating pump and the plate heat exchanger are installed on the base and the frame, the production and assembly work of the electrode boiler unit is completed in the factory, the steps of installing the electrode boiler unit on site are reduced, the electrode boiler unit is pry-mounted through the bottom plate and the frame, the floor area of the electrode boiler unit can be reduced, and the user site installation is facilitated.

[0009] Optionally, a pure water tank is fixedly connected to the frame, a boiler water replenishing pump and a boiler water draining pump are installed on the bottom plate, a water inlet end of the boiler water replenishing pump and a water outlet end of the boiler water draining pump are connected to a water outlet end of the pure water tank, and a water outlet end of the boiler water replenishing pump and a water inlet end of the boiler water draining pump are connected to the water outlet pipe.

[0010] By using the control mode of adjusting the liquid level in the electrode boiler body to replace the mode of adjusting the power by the insulating shield, the power regulation accuracy of the electrode boiler can be improved, and the cancellation of the insulating shield can reduce the user investment, reduce the diameter of the electrode boiler body, reduce the floor area of the electrode boiler unit, and facilitate the height integration of the unit.

[0011] Optionally, a pure water treatment device is mounted on the frame, and a water outlet end of the pure water treatment device is connected to a water inlet end of the pure water tank.

[0012] By using the above technical scheme, when the liquid level in the pure water tank is low, the pure water treatment device is controlled to produce pure water and deliver it to the pure water tank, so that the electrode boiler unit can be stably operated.

[0013] Optionally, a dosing device is mounted on the frame, and an output end of the dosing device is connected to the water outlet pipe.

[0014] By using the above technical scheme, when the electrical conductivity in the electrode boiler body is lower than the preset minimum value, the dosing device is controlled to pump electrolyte into the output pipe, so that the electrode boiler unit can be stably operated.

[0015] Optionally, a breathing pipe is mounted on the pure water tank.

[0016] By using the above technical scheme, the breathing pipe can balance the air pressure inside and outside the pure water tank, so as to ensure the regulation accuracy when regulating the liquid level in the electrode boiler body.

[0017] Optionally, the electrode boiler body is located at one end of the length direction of the bottom plate and is spaced apart from the plate heat exchanger.

[0018] By using the above technical scheme, it is convenient for the staff to overhaul and maintain the electrode boiler body.

[0019] Optionally, an outer net water inlet pipe and an outer net water outlet pipe are arranged on the plate heat exchanger, and top ends of the outer net water inlet pipe and the outer net water outlet pipe are located at the top of the frame.

[0020] By using the above technical scheme, it is convenient for the user to connect the electrode boiler unit with the heat using equipment.

[0021] Optionally, the control cabinet, the plate heat exchanger, the pure water treatment device, the pure water tank, the boiler water supply pump, the boiler water discharge pump and the dosing device are located on the side wall of the frame.

[0022] By using the above technical scheme, it is convenient for the staff to overhaul and maintain the electrode boiler unit.

[0023] In summary, the present application has the following technical effects:

[0024] 1. Through setting the bottom plate, the frame, the electrode boiler body, the boiler circulating pump and the plate heat exchanger, the electrode boiler body, the boiler circulating pump and the plate heat exchanger are installed on the base and the frame, the production and assembly work of the electrode boiler unit are completed in the factory, the steps of installing the electrode boiler unit on site are reduced, the electrode boiler unit is pry-mounted through the bottom plate and the frame, the land occupation of the electrode boiler unit can be reduced, and the on-site installation of the user is facilitated.

[0025] 2. Through setting the pure water tank, the power is adjusted by adjusting the liquid level in the electrode boiler body, the power adjustment accuracy of the electrode boiler can be improved, the investment of the user can be reduced, the diameter of the electrode boiler body is reduced, the land occupation of the electrode boiler unit is reduced, and the height integration of the unit is improved.

[0026] 3. Through setting the dosing device, when the electrical conductivity in the electrode boiler body is lower than the preset minimum value, the dosing device is controlled to pump the electrolyte into the output pipe, and the stable operation of the electrode boiler unit is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the outer shape structure diagram of the present application;

[0028] Figure 2 is the side view of the present application;

[0029] Figure 3 is the right view of the present application;

[0030] Figure 4 is the top view of the present application.

[0031] BRIEF DESCRIPTION OF DRAWINGS: 1, bottom plate; 11, frame; 12, control cabinet; 2, electrode boiler body; 3, boiler circulating pump; 31, output pipe; 4, plate heat exchanger; 41, outer net water inlet pipe; 42, outer net water outlet pipe; 5, pure water treatment device; 6, pure water tank; 61, breathing pipe; 7, boiler water supply pump; 8, boiler water drain pump; 9, dosing device. DETAILED DESCRIPTION

[0032] The present application will be further described in detail below with reference to the drawings.

[0033] The present application discloses a kind of semi-submerged high-pressure electrode boiler unit, refer to Figure 1 And Figure 2The electrode boiler unit comprises a bottom plate 1, the plate surface of the bottom plate 1 is rectangular, a cuboid frame 11 is welded on the bottom plate 1, an electrode boiler body 2 is installed at one end of the frame 11 in the length direction, a boiler circulating pump 3 is installed on the plate surface of the bottom plate 1 away from the electrode boiler body 2 in the length direction, the boiler circulating pump 3 is located at one side of the installation plate in the length direction, the water inlet end of the boiler circulating pump 3 is connected to the water outlet end of the electrode boiler body 2 through a pipeline, the water outlet end of the boiler circulating pump 3 is connected with an output pipe 31, a plate heat exchanger 4 is installed on the plate surface of the bottom plate 1 away from the electrode boiler body 2 in the length direction, the plate heat exchanger 4 is located at the edge of the bottom plate 1 away from the boiler circulating pump 3 in the width direction, the water inlet end of the plate heat exchanger 4 is connected to one end of the output pipe 31 away from the boiler circulating pump 3 through a pipeline, the water outlet end of the plate heat exchanger 4 is connected to the water inlet end of the electrode boiler body 2 through a pipeline, an outer net water inlet pipe 41 and an outer net water outlet pipe 42 are arranged on the plate heat exchanger 4, and the top ends of the outer net water inlet pipe 41 and the outer net water outlet pipe 42 are located at the top of the frame 11.

[0034] When the electrode boiler unit is operated, the electrode boiler body 2 converts electric energy into heat energy of water, hot water is pumped to the plate heat exchanger 4 by the boiler circulating pump 3 to exchange heat, and the heat-exchanged hot water flows back to the electrode boiler body 2, so as to complete the process of heat circulation conversion, and the one ends of the outer net water inlet pipe 41 and the outer net water outlet pipe 42 of the plate heat exchanger 4 are located at the top of the frame 11, so that the user can connect the electrode boiler unit with a heat utilization device.

[0035] With reference to Figure 2 and Figure 3 , a pure water treatment device 5 is installed on the inner wall of the frame 11 away from the electrode boiler body 2 and close to the side of the boiler circulating pump 3, the pure water treatment device 5 is located above the boiler circulating pump 3, the water inlet end of the pure water treatment device 5 is connected to a municipal water pipeline, a pure water tank 6 is fixedly connected to the inner wall of the frame 11 away from the electrode boiler body 2 and close to the side of the plate heat exchanger 4 through bolts, the pure water tank 6 is located above the plate heat exchanger 4, the water inlet end of the pure water tank 6 is connected to the water outlet end of the pure water treatment device 5 through a pipeline, a breathing pipe 61 for balancing the internal and external air pressures of the pure water tank 6 is installed on the pure water tank 6, a boiler water replenishing pump 7 and a boiler water draining pump 8 are installed on the bottom plate 1, the boiler water replenishing pump 7 and the boiler water draining pump 8 are arranged at intervals and are located on the side of the plate heat exchanger 4 away from the electrode boiler body 2, the water outlet end of the pure water tank 6 is connected to the water inlet end of the boiler water replenishing pump 7 and the water outlet end of the boiler water draining pump 8 through a pipeline, and the water inlet end of the boiler water replenishing pump 7 and the water outlet end of the boiler water draining pump 8 are both connected to the output pipe 31 through a pipeline.

[0036] With reference to Figure 2 and Figure 3The dosing device 9 is installed on the frame 11 away from the electrode boiler body 2, is located above the boiler circulating pump 3, and the output end of the dosing device 9 is connected to the output pipe 31 through a pipeline. The electrode boiler body 2 is provided with an electric conductivity sensor and a liquid level sensor, the pure water tank 6 is provided with a liquid level sensor, and the inner wall of the frame 11 away from the electrode boiler body 2 is provided with a control cabinet 12, and the control cabinet 12 is provided with a PLC processor, and the PLC processor is electrically connected with the boiler water feeding pump 7, the boiler water draining pump 8, the dosing device 9, the pure water treatment device 5, the electric conductivity sensor and the liquid level sensor.

[0037] When the electrode boiler body 2 needs to adjust the power, the liquid level sensor in the electrode boiler body 2 detects the water level height in the electrode boiler body 2 and transmits the water level information to the PLC processor, the PLC processor sends an electric signal to control the boiler water feeding pump 7 or the boiler water draining pump 8 to start, and the water in the electrode boiler body 2 is pumped into the pure water tank 6 or the water in the pure water tank 6 is pumped into the electrode boiler body 2, so as to adjust the liquid level height in the electrode boiler body 2 and control the power of the electrode boiler body 2.

[0038] The electrode boiler body 2, the boiler circulating pump 3 and the plate heat exchanger 4 are installed on the base 1 and the frame 11, the production and assembly work of the electrode boiler unit are completed in the factory, the steps of installing the electrode boiler unit on site are reduced, the electrode boiler unit is pry-mounted through the base 1 and the frame 11, the land occupation area of the electrode boiler unit can be reduced, and the on-site installation of the user is facilitated.

[0039] The control mode of adjusting the liquid level in the electrode boiler body 2 replaces the mode of adjusting the power by the insulating shield, the power adjustment accuracy of the electrode boiler body 2 can be improved, the investment of the user can be reduced by canceling the insulating shield, the diameter of the electrode boiler body 2 can be reduced, the land occupation area of the electrode boiler unit can be reduced, and the high integration of the electrode boiler unit can be improved.

[0040] The liquid level sensor in the pure water tank 6 detects the water level height in the pure water tank 6 and transmits the water level information to the PLC processor, when the liquid level sensor in the pure water tank 6 detects that the liquid level is lower than the preset minimum value, the liquid level sensor in the pure water tank 6 sends an electric signal to the PLC processor, the PLC processor controls the pure water treatment device 5 to prepare pure water and deliver the pure water to the pure water tank 6, when the liquid level sensor in the pure water tank 6 detects that the liquid level is higher than the preset maximum value, the liquid level sensor in the pure water tank 6 sends an electric signal to the PLC processor, and the PLC processor controls the pure water treatment device 5 to stop working.

[0041] When the electric conductivity sensor in the electrode boiler body 2 detects that the electric conductivity in the electrode boiler body 2 is lower than the preset minimum value, the electric conductivity sensor sends an electric signal to the PLC processor, and the PLC processor controls the dosing device 9 to pump the electrolyte into the output pipe 31.

[0042] The embodiments are only illustrative of the present application, and are not intended to limit the present application. Those skilled in the art can make modifications to the embodiments according to the present application without creative contribution, as long as the modifications are within the scope of the present application.

Claims

1. A semi-submerged high-pressure electrode boiler unit, characterized by: The electrode boiler unit comprises a bottom plate (1), a frame (11) fixed on the bottom plate (1), an electrode boiler body (2) installed on the bottom plate (1), a boiler circulating pump (3) installed on the bottom plate (1), a water inlet end of the boiler circulating pump (3) connected to a water outlet end of the electrode boiler body (2), a water outlet pipe (31) connected to a water outlet end of the boiler circulating pump (3), a plate heat exchanger (4) installed on the bottom plate (1), a water inlet end of the plate heat exchanger (4) connected to the water outlet pipe (31), a water outlet end of the plate heat exchanger (4) connected to a water inlet end of the electrode boiler body (2), and a control cabinet (12) arranged on the frame (11).

2. A semi-submerged high-pressure electrode boiler unit according to claim 1, characterized in that A pure water tank (6) is fixed on the frame (11), a boiler water replenishing pump (7) and a boiler water draining pump (8) are installed on the bottom plate (1), a water inlet end of the boiler water replenishing pump (7) and a water outlet end of the boiler water draining pump (8) are connected to a water outlet end of the pure water tank (6), and a water outlet end of the boiler water replenishing pump (7) and a water inlet end of the boiler water draining pump (8) are connected to the water outlet pipe (31).

3. A semi-submerged high-pressure electrode boiler unit according to claim 2, characterized in that: A pure water treatment device (5) is installed on the frame (11), and a water outlet end of the pure water treatment device (5) is connected to a water inlet end of the pure water tank (6).

4. A semi-submerged high-pressure electrode boiler unit according to claim 3, characterized in that: A dosing device (9) is installed on the frame (11), and an output end of the dosing device (9) is connected to the water outlet pipe (31).

5. A semi-submerged high-pressure electrode boiler unit according to claim 4, characterized in that: A breathing pipe (61) is installed on the pure water tank (6).

6. A semi-submerged high-pressure electrode boiler unit according to claim 1, characterized in that: The electrode boiler body (2) is arranged at one end of the bottom plate (1) in the length direction and is spaced apart from the plate heat exchanger (4).

7. A semi-submerged high-pressure electrode boiler unit according to claim 6, characterized in that An outer net water inlet pipe (41) and an outer net water outlet pipe (42) are arranged on the plate heat exchanger (4), and top ends of the outer net water inlet pipe (41) and the outer net water outlet pipe (42) are located at the top of the frame (11).

8. A semi-submerged high-pressure electrode boiler unit according to claim 4, characterized in that: The control cabinet (12), the plate heat exchanger (4), the pure water treatment device (5), the pure water tank (6), the boiler water replenishing pump (7), the boiler water draining pump (8), and the dosing device (9) are all located on the side wall of the frame (11).

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