Load adjustable electrode steam boiler

Abstract

A load adjustable electrode steam boiler includes an outer and an inner cylinder, and three power supply components. The outer cylinder and the inner cylinder are configured to accommodate an electrolyte aqueous solution. The three power supply components are installed in the outer cylinder, and each power supply component includes an electrode disk. Multiple electrode rods are provided at an edge of each electrode disk, and each electrode rod gradually faces away from an inner wall of a corresponding one of the independent zones from top to bottom. The load adjustable electrode steam boiler further includes a water supply mechanism and a flow control mechanism. The water supply mechanism is located below the power supply component, and the flow control mechanism is located under the inner cylinder.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of steam boilers, in particular to a load adjustable electrode steam boiler.BACKGROUND

[0002] Electrode steam boiler is a device that uses electricity as its energy source, converts electrical energy into thermal energy by electrodes, and heats water to produce steam. An immersed electrode steam boiler is disclosed in Chinese patent with a publication number of CN221444243U, the immersed electrode steam boiler includes an outer cylinder, an inner cylinder is installed in the outer barrel, two high-voltage electrodes are disposed in the inner cylinder, a steam outlet valve is installed on a top of the outer cylinder, a bottom of the outer cylinder is connected to an end of a circulating pipe, the other end of the circulation pipe enters from the bottom of the outer cylinder and is connected to an ascending pipe, and a top of the ascending pipe is connected to the inner cylinder. In the immersed electrode steam boiler, there is basically no heat loss due to water is heated directly by using the electrical resistance of water.

[0003] However, in the use of a steam boiler, heating power of the steam boiler is constant, and the steam boiler is always working at high load. After the thermal energy output of the steam boiler meets requirements of users, it is necessary to maintain a temperature for a long time in a later stage to reduce the thermal energy output of the steam boiler; and at this time, frequent on-off switching is required to achieve this, which reduces a service life of the high-voltage electrode. In addition, bubbles generated near the high-voltage electrode flow vertically upwards along a surface of the high-voltage electrode, the bubbles continuously pass through the surface of the high-voltage electrode and form a membrane, the bubbles reduce a contact between the high-voltage electrode and boiler water, obstruct current migration, and also affect the load of the steam boiler, thereby affecting the heating of the high-voltage electrode.SUMMARY

[0004] The present disclosure provides a load adjustable electrode steam boiler, which aims to solve problems that the load of an electrode steam boiler in related art cannot be directly adjusted and the load of the electrode steam boiler is affected by bubbles generated near a high-voltage electrode.

[0005] The load adjustable electrode steam boiler provided by the present disclosure includes an outer cylinder and an inner cylinder disposed in the outer cylinder. The outer cylinder and the inner cylinder are configured to accommodate an electrolyte aqueous solution, the inner cylinder defines three independent zones connected with each other, and a bottom of the inner cylinder defines a drainage port. The load adjustable electrode steam boiler further includes three power supply components, a water supply mechanism, and a flow control mechanism.

[0006] The three power supply components are installed on the outer cylinder, the three power supply components include three electrode disks respectively, and the three electrode disks are respectively disposed in the three independent zones; electrode rods are provided at an edge of each of the three electrode disks, and the electrode rods are configured to insert into the electrolyte aqueous solution. The electrode rods gradually face away from an inner wall of a corresponding one of the three independent zones from top to bottom. A contour of a bottom of each of the electrode rods gradually expands, so that a shape of the electrode rod is a curved rod.

[0007] The water supply mechanism is disposed on the outer cylinder, and the water supply mechanism is configured to transport the electrolyte aqueous solution from the outer cylinder to the inner cylinder. The water supply mechanism includes three insulation baffles, and the three insulation baffles are located directly below the three power supply components respectively.

[0008] The flow control mechanism is disposed at the drainage port, and the flow control mechanism is configured to control a flow rate of the drainage outlet.

[0009] The beneficial effects of the present disclosure are as follows. A flow rate of the electrolyte aqueous solution flowing out of the drainage outlet can be adjusted through the flow control mechanism, so as to adjust a liquid level of the electrolyte aqueous solution in the inner housing, control the degree of immersion of the electrode rods immersed in the electrolyte aqueous solution, and control the number of the electrode rods used to heat water, thereby achieving the function of controlling the load of the steam boiler. Due to each of the electrode rods gradually face away from the inner wall of respective independent zone from top to bottom, the resistance of the electrode rod from top to bottom along the inner wall of the respective independent zone gradually increases, an electric current of the electrode rod gradually decreases, a working intensity of the electrode rod from top to bottom also decreases, which is not only conducive to rapid load adjustment, but also more suitable for long-term low load operation to maintain temperature and improve the service life of the electrode. In addition, since the electrode rod is inclined, bubbles generated by the electrode rod move vertically upwards to avoid the electrode rod, and the bubbles are prevented from obstructing current migration, thereby ensuring the heating effect of the electrode.BRIEF DESCRIPTION OF DRAWINGS

[0010] FIG. 1 is a structural view of a first embodiment in the present disclosure.

[0011] FIG. 2 is a perspective sectional view of the first embodiment of the present disclosure.

[0012] FIG. 3 is a perspective sectional view of an outer cylinder in the first embodiment of the present disclosure.

[0013] FIG. 4 is a structural view of an inner cylinder in the first embodiment of the present disclosure.

[0014] FIG. 5 is a perspective sectional view of an inner cylinder in the first embodiment of the present disclosure.

[0015] FIG. 6 is a structural view of the inner housing, power supply components, and a water supply mechanism in the first embodiment of the present disclosure.

[0016] FIG. 7 is a structural view of a power supply component in the first embodiment of the present disclosure.

[0017] FIG. 8 is a cross-sectional view of an electrode disk and an electrode rod in the first embodiment of the present disclosure.

[0018] FIG. 9 is a structural view of the electrode rod in the electrolyte aqueous solution in the inner cylinder in the first embodiment of the present disclosure.

[0019] FIG. 10 is a structural view of the electrode rod generating bubbles inside the inner cylinder in the first embodiment of the present disclosure.

[0020] FIG. 11 is a cross-sectional view of an electrode porcelain sleeve, an electrode connection rod, and an electrode seat in the first embodiment of the present disclosure.

[0021] FIG. 12 is an enlarged structural view of portion A in FIG. 11 in the first embodiment of the present disclosure.

[0022] FIG. 13 is a disassembled view of a protrusion and sealing rings in the first embodiment of the present disclosure.

[0023] FIG. 14 is a structural view of the water supply mechanism in the first embodiment of the present disclosure.

[0024] FIG. 15 is a structural view of a drainage outlet and a flow control mechanism in the first embodiment of the present disclosure.

[0025] FIG. 16 is a structural view of a second embodiment of the present disclosure.

[0026] FIG. 17 is a structural view of a mixing mechanism in the second embodiment of the present disclosure.

[0027] FIG. 18 is a structural view of an electrode disk and an electrode rod in another embodiment of the present disclosure.

[0028] Description of reference numerals: 10—outer cylinder; 11—outer housing; 12—steam outlet pipe; 13—protective ring; 14—bracket; 15—outrigger; 20—inner cylinder; 21—inner housing; 22—connection plate; 23—baffle; 24—connecting passage; 25—independent zone; 26—drainage port; 30—power supply component; 31—electrode disk; 311—installation hole; 32—electrode rod; 321—installation part; 322—main body part; 323—curved body part; 3231—inclined part; 3232—tail end; 324—connection screw hole; 33—electrode porcelain sleeve; 331—protrusion; 332—first matching spherical surface; 34—electrode connection rod; 35—connection seat; 351—electrode tube seat; 3511—limiting protrusion; 352—sealing ring; 3521—second matching spherical surface; 353—filler; 345—pressing flange; 36—connection block; 40—water supply mechanism; 41—first water pump; 42—water distribution component; 421—main pipe; 422—branch pipe; 423—vertical pipe; 4231—water dispersing hole; 424—insulation baffle; 50—water replenishment mechanism; 51—second water pump; 52—water replenishment pipe; 60—flow control mechanism; 61—butterfly valve; 62—insulation coupling; 63—handle; 80—mixing mechanism; 81—water outlet head; 82—support; 83—rotating ring; 84—stirring strip.DETAILED DESCRIPTION OF EMBODIMENTS

[0029] Technical solutions of embodiments of the present disclosure will be clearly and completely described below in conjunction with drawings of the embodiments of the present disclosure. The described embodiments are only a part of the present disclosure and not all of them.

[0030] As shown in FIG. 1 to FIG. 15, a load adjustable electrode steam boiler is provided in a first embodiment of the present disclosure. The load adjustable electrode steam boiler includes an outer cylinder 10 and an inner cylinder 20 disposed in the outer cylinder 10. The outer cylinder 10 and the inner cylinder 20 are configured to accommodate an electrolyte aqueous solution. The three power supply components 30 are installed on the outer cylinder 10, and the three power supply components 30 are connected to a three-phase power supply. The inner cylinder 20 serves as a neutral electrode. Each power supply component 30 has multiple electrode rods 32, and each of the electrode rods 32 is inserted into the electrolyte aqueous solution in the inner cylinder 20. The outer cylinder 10 is provided with a water supply mechanism 40, and the water supply mechanism 40 is used to transport the electrolyte aqueous solution in the outer cylinder 10 to the inner cylinder 20. After the three power supply components 30 are powered on, the electrode rods 32, the electrolyte aqueous solution inside the inner cylinder 20, and the inner cylinder 20 form a circuit to generate current. The water acts as a resistor to heat itself and generate steam. The flow control mechanism 60 is installed on the inner cylinder 20, and the flow control mechanism 60 is configured to control the electrolyte aqueous solution inside the inner cylinder 20 to be discharged into the outer cylinder 10.

[0031] As shown in FIG. 1 to FIG. 3, the outer cylinder 10 includes an outer housing 11. A top of the outer housing 11 is fixedly connected to a steam outlet pipe 12 and a protective ring 13. The steam generated inside the outer housing 11 can be transported to an external heat exchanger along the steam outlet pipe 12. Tops of the power supply components 30 are disposed in the protective ring 13 at a top of the outer housing 11 to protect the power supply components 30. An inner wall of the outer housing 11 is welded with three brackets 14, and each of the three brackets 14 is made of insulating material. In this embodiment, each bracket 14 is made of insulating ceramics, and a bottom of the outer housing 11 is welded with at least three outriggers 15. The outriggers 15 are evenly distributed along a circumference of the outer housing 11 to support the outer housing 11 on the ground. The outer housing 11 is provided with the electrolyte aqueous solution inside, and a liquid level of the electrolyte aqueous solution is lower than a bottom of the inner cylinder 20.

[0032] As shown in FIG. 2, FIG. 4, and FIG. 5, the inner cylinder 20 includes an inner housing 21. Three connection plates 22 are welded on the inner housing 21, and each of the connection plates 22 is made of insulating material. In this embodiment, the three connection plates 22 is made of insulating ceramic, the three connection plates 22 are respectively detachably connected to three brackets 14 through bolt fasteners, and rubber gaskets are also pressed between the connection plates 22 and the brackets 14 to facilitate the disassembly and assembly of the inner cylinder 20. An inner wall of the inner housing 21 is welded with baffles 23, and a connecting passage 24 is defined between bottoms of the baffles 23 and the bottom of the inner wall of the inner housing 21. The baffles 23 and the side wall of the inner housing 21 are separated into three independent zones 25 with the same size and shape. The bottoms of the three independent zones 25 are connected to each other through the connecting passage 24, so that the electrolyte aqueous solution in the three independent zones 25 can be evenly distributed and the liquid level is equal. A drainage port 26 is defined at the bottom of the inner housing 21 to discharge the electrolyte aqueous solution in the inner cylinder 20 into the outer cylinder 10.

[0033] As shown in FIG. 1, FIG. 2, and FIG. 6 to FIG. 12, the three power supply components 30 are connected to three phase lines of three-phase alternating current power respectively. The three power supply components 30 are respectively matched with three independent zones 25, and a distance between any two adjacent power supply components 30 is equal, which can better adapt to the input current and improve heating efficiency. Each power supply component 30 includes electrode heating components and two energized components connected to the electrode heating components. The electrode heating component are connected to the inner cylinder 20 through an electrolyte aqueous solution in the inner cylinder 20, thereby forming an electrical load path. Water acts as a resistor to heat itself and generate steam. The two energized components on each power supply component 30 are connected to a phase line to enhance conductivity. Each energized component is fixedly installed on the top of the outer housing 11.

[0034] As shown in FIG. 2 and FIG. 6 to FIG. 10, each electrode heating component includes a kidney-shaped electrode disk 31, the electrode disk 31 is detachably connected to multiple electrode rods 32. The electrode rods 32 are evenly arranged along an edge of the electrode disk 31, and the electrode rods 32 on the electrode disk 31 together define a protective cage shape, so that an outer edge of each electrode heating component is equidistant from an inner wall of a corresponding independent zone 25, thereby ensuring uniform heating of the electrode heating component and optimizing three-phase balance.

[0035] Each electrode rod 32 has an installation part 321, a main body part 322 connected to the installation part 321, and a curved body part 323 connected to the main body part 322 from top to bottom. The main body part 322 on the electrode rod 32 is in a shape of an inclined circular rod. The curved body part 323 is disposed obliquely. An inclination angle of the curved body part 323 facing towards a centerline of a corresponding one of the three power supply components 30 is greater than an inclination angle of the main body part 322 facing towards the centerline of a corresponding power supply component 30. The curved body part 323 includes an inclined part 3231 and a tail end 3232 connected to the inclined part 3231. The tail end 3232 of the curved body part 323 has a curved surface, a diameter of the curved body part 323 increases from top to bottom, the contour of the curved body part 323 gradually expands, and a surface area of the curved body part 323 is increased. The increased surface area of the curved body part 323 can reduce a surface current density of the curved body part 323, reduce the tip effect and electrochemical corrosion rate of the curved body part 323, and improve the service life of the electrode rods 32. When water is heated, bubbles generated by the electrode rods 32 can rise vertically. The inclined main body part 322 and the curved body part 323 can avoid trajectories of the rising bubbles (as shown in FIG. 10), thereby preventing the rising bubbles from obstructing the migration of ions heated by the electrode rods 32, while ensuring the heating effect of the electrode.

[0036] Since the main body part 322 is inclined, all electrode rods 32 on the electrode disk 31 gradually contract towards a center from top to bottom, and the distance from any one of electrode rods 32 to the inner wall of the independent zone 25 gradually increases. At the same time, the distance of ion migration from electrode rods 32 to the inner wall of inner housing 21 also gradually increases, that is, the resistance increases and the current decreases. When the liquid level in the inner cylinder 20 decreases, the electrode rods 32 are gradually out of the contact with the electrolyte aqueous solution from top to bottom. By adjusting the liquid level in the inner cylinder 20, the resistance and current in the electrode heating circuit can be controlled. In addition, when the electrolyte aqueous solution in the inner cylinder 20 is at a low liquid level, the distance between the electrode rod 32 and the inner wall of the inner housing 21 also increases, further increasing the resistance and reducing a working load of the electrode rod 32 at the low liquid level.

[0037] Each electrode disk 31 defines installation holes 311, the electrode rods 32 are inserted into the installation holes 311 respectively. Each of the installation holes 311 is conical. A diameter of each installation hole 311 gradually increases from top to bottom, and the installation part 321 on the electrode rod 32 matches the installation hole 311. A connection screw hole 324 is opened at the center of the installation part 321 on the electrode rod 32. The connection screw hole 324 is threaded with a first bolt that penetrates the installation hole 311 and presses against the electrode disk 31, so that the installation part 321 is tightly attached to the installation hole 311 on the electrode disk 31, and the continuity of current transmission can be ensured.

[0038] As shown in FIG. 2, FIG. 6, FIG. 7, and FIG. 9 to FIG. 13, two energized components are fixedly connected on two ends of a top surface of the electrode disk 31. Each energized component includes an electrode porcelain sleeve 33, an electrode connection rod 34, and a connection seat 35. The electrode connection rod 34 is connected to the connection seat 35 through the electrode porcelain sleeve 33. Due to the insulating material of the electrode porcelain sleeve 33, the electrode porcelain sleeve 33 isolates the electrode connection rod 34 from the connection seat 35, and there is no electricity between the electrode connection rod 34 and the connection seat 35, so that the outer housing 11 is not electrically charged.

[0039] A protrusion 331 is provided on the electrode porcelain sleeve 33. Upper and lower sides of the protrusion 331 have first matching spherical surfaces 332. A center of electrode porcelain sleeve 33 defines a through hole. The electrode connection rod 34 is inserted into the through hole of the electrode porcelain sleeve 33. The bottom of the electrode connection rod 34 is fixedly connected to a connection block 36 through screws. A first flat gasket made of elastic rubber material is abutted between the connection block 36 and the electrode porcelain sleeve 33, thereby sealing the connection block 36 and the electrode porcelain sleeve 33. The connection block 36 is fixedly connected to the electrode disk 31, and the top of the electrode connection rod 34 is connected to an external power source to achieve power supply.

[0040] The connection seat 35 includes an electrode tube seat 351 that is sleeved outside the electrode porcelain sleeve 33, and the electrode tube seat 351 is threaded to a top of the outer housing 11. The electrode tube seat 351 has a limiting protrusion 3511 inside. The electrode tube seat 351 is provided with two sealing rings 352 made of soft rubber, and the two sealing rings 352 are arranged vertically. The sealing ring 352 located below overlaps with the limiting protrusion 3511. The two sealing rings 352 have second matching spherical surfaces 3521 on their opposite sides, and the two sealing rings 352 respectively press and seal against the two first matching spherical surfaces 332. Compared with flat sealing, curved sealing can be applied to gaps at different angles. The electrode porcelain sleeve 33 can be flexibly adjusted in angle when assembled with the connection seat 35, thereby ensuring sealing performance. The space enclosed by the limiting protrusion 3511 and two sealing rings 352 is filled with a filler 353, and the filler can be asbestos. The electrode tube seat 351 is detachably connected to a pressing flange 354 through bolt fasteners, and a bottom of the pressing flange 354 is pressed onto the sealing ring 352 located above.

[0041] As shown in FIG. 1, FIG. 2, FIG. 9, and FIG. 14, the water supply mechanism 40 includes a first water pump 41, a water inlet of the first water pump 41 is fixedly connected to a water inlet pipe, the water inlet pipe is fixedly connected to a bottom of the outer cylinder 10, and a water outlet of the first water pump 41 is fixedly connected to a water distribution component 42. The water distribution component 42 penetrates into the inner cylinder 20 and the inner housing 21 sequentially. The first water pump 41 can transport the electrolyte aqueous solution from the outer cylinder 10 to the inner housing 21 through the water inlet pipe.

[0042] By controlling the amount of electrolyte aqueous solution input into the inner housing 21, the evaporation amount of electrolyte aqueous solution in the inner housing 21, the amount of electrolyte aqueous solution discharged from the drainage port 26, and a liquid level of electrolyte aqueous solution in the inner housing 21 can be adjusted, thereby controlling the degree of immersion of the electrode rod 32 and increasing the working load of electrode rod 32.

[0043] The water distribution component 42 includes a main pipe 421, the main pipe 421 is fixed at the bottom of the outer cylinder 10, the main pipe 421 penetrates into the outer cylinder 10, and a top of the main pipe 421 is detachably connected to three branch pipes 422. The three branch pipes 422 are evenly distributed along a centerline of the main pipe 421, and the three branch pipes 422 are detachably connected to three vertical pipes 423 at a side facing away from the main pipe 421 respectively. The three vertical pipes 423 penetrate into a bottom of an inner housing 21 and extend into the three independent zones 25 respectively. A top of each of the three vertical pipes 423 defines multiple water dispersing holes 4231. By designing the dispersing holes 4231 as small holes, water flow can be controlled, thereby reducing the fluctuation of the water level caused by the water pressure, stabilizing the water level, and ensuring the stable heating of the electrode rod 32.

[0044] A top of each vertical pipe 423 is fixedly connected with an insulation baffle 424 made of insulating material. The insulation baffle 424 is an elliptical plate made of insulating ceramic. Each vertical pipe 423 is directly below a corresponding electrode rod 32 in a corresponding independent zone 25. The insulation baffle 424 is located below the water dispersing holes 4231. On the one hand, the insulation baffle 424 can guide water, and on the other hand, it can isolate the electrode rod 32 from the bottom of the inner housing 21 and provide insulation. The insulation baffle 424 prevents the electrical current between the bottom of electrode rod 32 and the bottom of inner housing 21, thereby preventing the curved body part 323 at the bottom of electrode rod 32 from consuming power, avoiding uneven heating caused by excessive current at the bottom of electrode rod 32; and the tip effect at the bottom of electrode rod 32 can be prevented, which reduces the electrochemical corrosion rate at the tip.

[0045] As shown in FIG. 1 and FIG. 2, the load adjustable electrode steam boiler further includes a water replenishment mechanism 50. The water replenishment mechanism 50 includes a second water pump 51. A water inlet of the second water pump 51 is connected to an external deoxygenation water source, a water outlet of the second water pump 51 is fixedly connected to a water replenishment pipe 52, and the water replenishment pipe 52 is fixedly connected to a bottom of the outer cylinder 10. The second water pump 51 can deliver deoxygenated water from the outside to the outer cylinder 10 to compensate for the steam consumption of the boiler.

[0046] As shown in FIG. 1, FIG. 2, and FIG. 15, the flow control mechanism 60 includes a butterfly valve 61 fixed on the drainage outlet 26. An operating rod of the butterfly valve 61 is connected to an insulation coupling 62. The insulation coupling 62 is rotatably connected to the outer housing 11 through a sealed bearing. A handle 63 is fixed on an end of the insulation coupling 62, and the handle 63 is located outside the outer housing 10. By controlling the rotation of the handle 63 to control the operating rod on the butterfly valve 61 through the insulation coupling 62, an opening size of butterfly valve 61 can be controlled to regulate a flow rate of the electrolyte aqueous solution flowing out of drainage port 26. On the one hand, when the electrolyte aqueous solution in the inner housing 21 is evaporated, water becomes steam and is discharged through the steam outlet pipe 12, the electrolyte will accumulate in the inner housing 21, thereby causing a high electrolyte concentration in the inner housing 21. Therefore, a flow control mechanism 60 is set up to control the drainage of the drainage port 26, so that the electrolyte aqueous solution in the inner housing 21 can flow into the outer housing 11 for circulation to prevent the accumulation of electrolytes in the inner housing 21. On the other hand, by controlling a flow rate of the electrolyte aqueous solution flowing out of the drainage port 26, the liquid level of the electrolyte aqueous solution in the inner cylinder 20 can be regulated, thereby adjusting the working load of the steam boiler.

[0047] When the load of the steam boiler is adjusted, the flow control mechanism 60 is used to adjust the flow rate of the electrolyte aqueous solution flowing out of the drainage port 26, in order to adjust the liquid level of the electrolyte aqueous solution in the inner housing 21. By controlling the degree of immersion of the electrode rod 32, the area of electrode rod 32 participating in heating work is controlled, thereby increasing the working load of electrode rod 32.

[0048] In the above embodiment, the electrolyte aqueous solution discharged from the drainage port 26 flows directly downward into the outer housing 11 and cannot be uniformly mixed with the electrolyte aqueous solution in the outer housing 11. Therefore, a second embodiment is proposed to overcome the above defect.

[0049] As shown in FIG. 16 and FIG. 17, the second embodiment is provided. The difference between the first embodiment and the second embodiment is that the second embodiment further includes a mixing mechanism 80.

[0050] The mixing mechanism 80 includes a water outlet head 81 connected to the water replenishment pipe 52 and a support 82 welded on an inner wall of the outer housing 10. A rotating ring 83 is rotatably connected to the support 82 through bearings, and the rotating ring 83 is disposed between the bottom of the outer housing 10 and the support 82. The rotating ring 83 is fixedly connected to stirring strips 84. A cross section of each of the stirring strips 84 is arc-shaped. A concave surface of each of the stirring strips 84 is directly opposite to a water outlet end of the water outlet head 81. The deoxygenated water added to the outer housing 11 by the water outlet head 81 will impact the stirring strips 84, thereby driving the stirring strips 84 to rotate. The rotation of the stirring strips 84 stirs the electrolyte aqueous solution in the outer housing 11, so that the electrolyte aqueous solution discharged from the drainage port 26 can be fully mixed with the electrolyte aqueous solution in the outer housing 11, further improving the mixing effect.

[0051] As shown in FIG. 18, another embodiment of the load adjustable electrode steam boiler of the present disclosure is provided, the difference from the above embodiments is that the structures of the electrode disk 31 and electrode rod 32 are different.

[0052] In the embodiment, the electrode disk 31 has a circular structure, and a cross section of each electrode rod 32 is rectangular. The installation hole 311 on the electrode disk 31 is rectangular, and the installation hole 311 matches a top of the electrode rod 32, so that the top of the electrode rod 32 can be inserted and limited in the installation hole 311. The electrode disk 31 adopts a circular structure, which enables the electrode heating component to adapt to different specifications of the inner cylinder 20, making it more versatile. The bottom of the electrode rod 32 on the electrode disk 31 contracts towards a center of the electrode disk 31, and this design can reduce power consumption of the bottom of the electrode rod 32 at a low liquid level.

[0053] Due to an inverse relationship between resistance and the cross section of a conductor, a rectangular cross section can increase the cross section of the electrode rod 32, provide more electronic channels, and reduce resistance. At the same time, in an electrochemical process, reduction of the resistance can reduce energy loss and improve the efficiency of energy utilization. Increase of the area of the electrode rod 32 can reduce the current density and slow down the electrochemical reaction rate. The electrode disk 31 with a disk structure and the electrode rod 32 can fully utilize the space, and the spacing between electrode rods 32 is same. In addition, the bottom structure of the electrode rod 32 is easier to achieve contraction in a production process of a circular electrode, and the rectangular flat structure of the electrode rod 32 is more convenient for bending.

Examples

first embodiment

[0030]As shown in FIG. 1 to FIG. 15, a load adjustable electrode steam boiler is provided in the present disclosure. The load adjustable electrode steam boiler includes an outer cylinder 10 and an inner cylinder 20 disposed in the outer cylinder 10. The outer cylinder 10 and the inner cylinder 20 are configured to accommodate an electrolyte aqueous solution. The three power supply components 30 are installed on the outer cylinder 10, and the three power supply components 30 are connected to a three-phase power supply. The inner cylinder 20 serves as a neutral electrode. Each power supply component 30 has multiple electrode rods 32, and each of the electrode rods 32 is inserted into the electrolyte aqueous solution in the inner cylinder 20. The outer cylinder 10 is provided with a water supply mechanism 40, and the water supply mechanism 40 is used to transport the electrolyte aqueous solution in the outer cylinder 10 to the inner cylinder 20. After the three power supply components ...

second embodiment

[0048]In the above embodiment, the electrolyte aqueous solution discharged from the drainage port 26 flows directly downward into the outer housing 11 and cannot be uniformly mixed with the electrolyte aqueous solution in the outer housing 11. Therefore, a second embodiment is proposed to overcome the above defect.

[0049]As shown in FIG. 16 and FIG. 17, the second embodiment is provided. The difference between the first embodiment and the second embodiment is that the second embodiment further includes a mixing mechanism 80.

[0050]The mixing mechanism 80 includes a water outlet head 81 connected to the water replenishment pipe 52 and a support 82 welded on an inner wall of the outer housing 10. A rotating ring 83 is rotatably connected to the support 82 through bearings, and the rotating ring 83 is disposed between the bottom of the outer housing 10 and the support 82. The rotating ring 83 is fixedly connected to stirring strips 84. A cross section of each of the stirring strips 84 is...

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of steam boilers, in particular to a load adjustable electrode steam boiler.BACKGROUND

[0002] Electrode steam boiler is a device that uses electricity as its energy source, converts electrical energy into thermal energy by electrodes, and heats water to produce steam. An immersed electrode steam boiler is disclosed in Chinese patent with a publication number of CN221444243U, the immersed electrode steam boiler includes an outer cylinder, an inner cylinder is installed in the outer barrel, two high-voltage electrodes are disposed in the inner cylinder, a steam outlet valve is installed on a top of the outer cylinder, a bottom of the outer cylinder is connected to an end of a circulating pipe, the other end of the circulation pipe enters from the bottom of the outer cylinder and is connected to an ascending pipe, and a top of the ascending pipe is connected to the inner cylinder. In the immersed electrode steam boiler, there is basically no heat loss due to water is heated directly by using the electrical resistance of water.

[0003] However, in the use of a steam boiler, heating power of the steam boiler is constant, and the steam boiler is always working at high load. After the thermal energy output of the steam boiler meets requirements of users, it is necessary to maintain a temperature for a long time in a later stage to reduce the thermal energy output of the steam boiler; and at this time, frequent on-off switching is required to achieve this, which reduces a service life of the high-voltage electrode. In addition, bubbles generated near the high-voltage electrode flow vertically upwards along a surface of the high-voltage electrode, the bubbles continuously pass through the surface of the high-voltage electrode and form a membrane, the bubbles reduce a contact between the high-voltage electrode and boiler water, obstruct current migration, and also affect the load of the steam boiler, thereby affecting the heating of the high-voltage electrode.SUMMARY

[0004] The present disclosure provides a load adjustable electrode steam boiler, which aims to solve problems that the load of an electrode steam boiler in related art cannot be directly adjusted and the load of the electrode steam boiler is affected by bubbles generated near a high-voltage electrode.

[0005] The load adjustable electrode steam boiler provided by the present disclosure includes an outer cylinder and an inner cylinder disposed in the outer cylinder. The outer cylinder and the inner cylinder are configured to accommodate an electrolyte aqueous solution, the inner cylinder defines three independent zones connected with each other, and a bottom of the inner cylinder defines a drainage port. The load adjustable electrode steam boiler further includes three power supply components, a water supply mechanism, and a flow control mechanism.

[0006] The three power supply components are installed on the outer cylinder, the three power supply components include three electrode disks respectively, and the three electrode disks are respectively disposed in the three independent zones; electrode rods are provided at an edge of each of the three electrode disks, and the electrode rods are configured to insert into the electrolyte aqueous solution. The electrode rods gradually face away from an inner wall of a corresponding one of the three independent zones from top to bottom. A contour of a bottom of each of the electrode rods gradually expands, so that a shape of the electrode rod is a curved rod.

[0007] The water supply mechanism is disposed on the outer cylinder, and the water supply mechanism is configured to transport the electrolyte aqueous solution from the outer cylinder to the inner cylinder. The water supply mechanism includes three insulation baffles, and the three insulation baffles are located directly below the three power supply components respectively.

[0008] The flow control mechanism is disposed at the drainage port, and the flow control mechanism is configured to control a flow rate of the drainage outlet.

[0009] The beneficial effects of the present disclosure are as follows. A flow rate of the electrolyte aqueous solution flowing out of the drainage outlet can be adjusted through the flow control mechanism, so as to adjust a liquid level of the electrolyte aqueous solution in the inner housing, control the degree of immersion of the electrode rods immersed in the electrolyte aqueous solution, and control the number of the electrode rods used to heat water, thereby achieving the function of controlling the load of the steam boiler. Due to each of the electrode rods gradually face away from the inner wall of respective independent zone from top to bottom, the resistance of the electrode rod from top to bottom along the inner wall of the respective independent zone gradually increases, an electric current of the electrode rod gradually decreases, a working intensity of the electrode rod from top to bottom also decreases, which is not only conducive to rapid load adjustment, but also more suitable for long-term low load operation to maintain temperature and improve the service life of the electrode. In addition, since the electrode rod is inclined, bubbles generated by the electrode rod move vertically upwards to avoid the electrode rod, and the bubbles are prevented from obstructing current migration, thereby ensuring the heating effect of the electrode.BRIEF DESCRIPTION OF DRAWINGS

[0010] FIG. 1 is a structural view of a first embodiment in the present disclosure.

[0011] FIG. 2 is a perspective sectional view of the first embodiment of the present disclosure.

[0012] FIG. 3 is a perspective sectional view of an outer cylinder in the first embodiment of the present disclosure.

[0013] FIG. 4 is a structural view of an inner cylinder in the first embodiment of the present disclosure.

[0014] FIG. 5 is a perspective sectional view of an inner cylinder in the first embodiment of the present disclosure.

[0015] FIG. 6 is a structural view of the inner housing, power supply components, and a water supply mechanism in the first embodiment of the present disclosure.

[0016] FIG. 7 is a structural view of a power supply component in the first embodiment of the present disclosure.

[0017] FIG. 8 is a cross-sectional view of an electrode disk and an electrode rod in the first embodiment of the present disclosure.

[0018] FIG. 9 is a structural view of the electrode rod in the electrolyte aqueous solution in the inner cylinder in the first embodiment of the present disclosure.

[0019] FIG. 10 is a structural view of the electrode rod generating bubbles inside the inner cylinder in the first embodiment of the present disclosure.

[0020] FIG. 11 is a cross-sectional view of an electrode porcelain sleeve, an electrode connection rod, and an electrode seat in the first embodiment of the present disclosure.

[0021] FIG. 12 is an enlarged structural view of portion A in FIG. 11 in the first embodiment of the present disclosure.

[0022] FIG. 13 is a disassembled view of a protrusion and sealing rings in the first embodiment of the present disclosure.

[0023] FIG. 14 is a structural view of the water supply mechanism in the first embodiment of the present disclosure.

[0024] FIG. 15 is a structural view of a drainage outlet and a flow control mechanism in the first embodiment of the present disclosure.

[0025] FIG. 16 is a structural view of a second embodiment of the present disclosure.

[0026] FIG. 17 is a structural view of a mixing mechanism in the second embodiment of the present disclosure.

[0027] FIG. 18 is a structural view of an electrode disk and an electrode rod in another embodiment of the present disclosure.

[0028] Description of reference numerals: 10—outer cylinder; 11—outer housing; 12—steam outlet pipe; 13—protective ring; 14—bracket; 15—outrigger; 20—inner cylinder; 21—inner housing; 22—connection plate; 23—baffle; 24—connecting passage; 25—independent zone; 26—drainage port; 30—power supply component; 31—electrode disk; 311—installation hole; 32—electrode rod; 321—installation part; 322—main body part; 323—curved body part; 3231—inclined part; 3232—tail end; 324—connection screw hole; 33—electrode porcelain sleeve; 331—protrusion; 332—first matching spherical surface; 34—electrode connection rod; 35—connection seat; 351—electrode tube seat; 3511—limiting protrusion; 352—sealing ring; 3521—second matching spherical surface; 353—filler; 345—pressing flange; 36—connection block; 40—water supply mechanism; 41—first water pump; 42—water distribution component; 421—main pipe; 422—branch pipe; 423—vertical pipe; 4231—water dispersing hole; 424—insulation baffle; 50—water replenishment mechanism; 51—second water pump; 52—water replenishment pipe; 60—flow control mechanism; 61—butterfly valve; 62—insulation coupling; 63—handle; 80—mixing mechanism; 81—water outlet head; 82—support; 83—rotating ring; 84—stirring strip.DETAILED DESCRIPTION OF EMBODIMENTS

[0029] Technical solutions of embodiments of the present disclosure will be clearly and completely described below in conjunction with drawings of the embodiments of the present disclosure. The described embodiments are only a part of the present disclosure and not all of them.

[0030] As shown in FIG. 1 to FIG. 15, a load adjustable electrode steam boiler is provided in a first embodiment of the present disclosure. The load adjustable electrode steam boiler includes an outer cylinder 10 and an inner cylinder 20 disposed in the outer cylinder 10. The outer cylinder 10 and the inner cylinder 20 are configured to accommodate an electrolyte aqueous solution. The three power supply components 30 are installed on the outer cylinder 10, and the three power supply components 30 are connected to a three-phase power supply. The inner cylinder 20 serves as a neutral electrode. Each power supply component 30 has multiple electrode rods 32, and each of the electrode rods 32 is inserted into the electrolyte aqueous solution in the inner cylinder 20. The outer cylinder 10 is provided with a water supply mechanism 40, and the water supply mechanism 40 is used to transport the electrolyte aqueous solution in the outer cylinder 10 to the inner cylinder 20. After the three power supply components 30 are powered on, the electrode rods 32, the electrolyte aqueous solution inside the inner cylinder 20, and the inner cylinder 20 form a circuit to generate current. The water acts as a resistor to heat itself and generate steam. The flow control mechanism 60 is installed on the inner cylinder 20, and the flow control mechanism 60 is configured to control the electrolyte aqueous solution inside the inner cylinder 20 to be discharged into the outer cylinder 10.

[0031] As shown in FIG. 1 to FIG. 3, the outer cylinder 10 includes an outer housing 11. A top of the outer housing 11 is fixedly connected to a steam outlet pipe 12 and a protective ring 13. The steam generated inside the outer housing 11 can be transported to an external heat exchanger along the steam outlet pipe 12. Tops of the power supply components 30 are disposed in the protective ring 13 at a top of the outer housing 11 to protect the power supply components 30. An inner wall of the outer housing 11 is welded with three brackets 14, and each of the three brackets 14 is made of insulating material. In this embodiment, each bracket 14 is made of insulating ceramics, and a bottom of the outer housing 11 is welded with at least three outriggers 15. The outriggers 15 are evenly distributed along a circumference of the outer housing 11 to support the outer housing 11 on the ground. The outer housing 11 is provided with the electrolyte aqueous solution inside, and a liquid level of the electrolyte aqueous solution is lower than a bottom of the inner cylinder 20.

[0032] As shown in FIG. 2, FIG. 4, and FIG. 5, the inner cylinder 20 includes an inner housing 21. Three connection plates 22 are welded on the inner housing 21, and each of the connection plates 22 is made of insulating material. In this embodiment, the three connection plates 22 is made of insulating ceramic, the three connection plates 22 are respectively detachably connected to three brackets 14 through bolt fasteners, and rubber gaskets are also pressed between the connection plates 22 and the brackets 14 to facilitate the disassembly and assembly of the inner cylinder 20. An inner wall of the inner housing 21 is welded with baffles 23, and a connecting passage 24 is defined between bottoms of the baffles 23 and the bottom of the inner wall of the inner housing 21. The baffles 23 and the side wall of the inner housing 21 are separated into three independent zones 25 with the same size and shape. The bottoms of the three independent zones 25 are connected to each other through the connecting passage 24, so that the electrolyte aqueous solution in the three independent zones 25 can be evenly distributed and the liquid level is equal. A drainage port 26 is defined at the bottom of the inner housing 21 to discharge the electrolyte aqueous solution in the inner cylinder 20 into the outer cylinder 10.

[0033] As shown in FIG. 1, FIG. 2, and FIG. 6 to FIG. 12, the three power supply components 30 are connected to three phase lines of three-phase alternating current power respectively. The three power supply components 30 are respectively matched with three independent zones 25, and a distance between any two adjacent power supply components 30 is equal, which can better adapt to the input current and improve heating efficiency. Each power supply component 30 includes electrode heating components and two energized components connected to the electrode heating components. The electrode heating component are connected to the inner cylinder 20 through an electrolyte aqueous solution in the inner cylinder 20, thereby forming an electrical load path. Water acts as a resistor to heat itself and generate steam. The two energized components on each power supply component 30 are connected to a phase line to enhance conductivity. Each energized component is fixedly installed on the top of the outer housing 11.

[0034] As shown in FIG. 2 and FIG. 6 to FIG. 10, each electrode heating component includes a kidney-shaped electrode disk 31, the electrode disk 31 is detachably connected to multiple electrode rods 32. The electrode rods 32 are evenly arranged along an edge of the electrode disk 31, and the electrode rods 32 on the electrode disk 31 together define a protective cage shape, so that an outer edge of each electrode heating component is equidistant from an inner wall of a corresponding independent zone 25, thereby ensuring uniform heating of the electrode heating component and optimizing three-phase balance.

[0035] Each electrode rod 32 has an installation part 321, a main body part 322 connected to the installation part 321, and a curved body part 323 connected to the main body part 322 from top to bottom. The main body part 322 on the electrode rod 32 is in a shape of an inclined circular rod. The curved body part 323 is disposed obliquely. An inclination angle of the curved body part 323 facing towards a centerline of a corresponding one of the three power supply components 30 is greater than an inclination angle of the main body part 322 facing towards the centerline of a corresponding power supply component 30. The curved body part 323 includes an inclined part 3231 and a tail end 3232 connected to the inclined part 3231. The tail end 3232 of the curved body part 323 has a curved surface, a diameter of the curved body part 323 increases from top to bottom, the contour of the curved body part 323 gradually expands, and a surface area of the curved body part 323 is increased. The increased surface area of the curved body part 323 can reduce a surface current density of the curved body part 323, reduce the tip effect and electrochemical corrosion rate of the curved body part 323, and improve the service life of the electrode rods 32. When water is heated, bubbles generated by the electrode rods 32 can rise vertically. The inclined main body part 322 and the curved body part 323 can avoid trajectories of the rising bubbles (as shown in FIG. 10), thereby preventing the rising bubbles from obstructing the migration of ions heated by the electrode rods 32, while ensuring the heating effect of the electrode.

[0036] Since the main body part 322 is inclined, all electrode rods 32 on the electrode disk 31 gradually contract towards a center from top to bottom, and the distance from any one of electrode rods 32 to the inner wall of the independent zone 25 gradually increases. At the same time, the distance of ion migration from electrode rods 32 to the inner wall of inner housing 21 also gradually increases, that is, the resistance increases and the current decreases. When the liquid level in the inner cylinder 20 decreases, the electrode rods 32 are gradually out of the contact with the electrolyte aqueous solution from top to bottom. By adjusting the liquid level in the inner cylinder 20, the resistance and current in the electrode heating circuit can be controlled. In addition, when the electrolyte aqueous solution in the inner cylinder 20 is at a low liquid level, the distance between the electrode rod 32 and the inner wall of the inner housing 21 also increases, further increasing the resistance and reducing a working load of the electrode rod 32 at the low liquid level.

[0037] Each electrode disk 31 defines installation holes 311, the electrode rods 32 are inserted into the installation holes 311 respectively. Each of the installation holes 311 is conical. A diameter of each installation hole 311 gradually increases from top to bottom, and the installation part 321 on the electrode rod 32 matches the installation hole 311. A connection screw hole 324 is opened at the center of the installation part 321 on the electrode rod 32. The connection screw hole 324 is threaded with a first bolt that penetrates the installation hole 311 and presses against the electrode disk 31, so that the installation part 321 is tightly attached to the installation hole 311 on the electrode disk 31, and the continuity of current transmission can be ensured.

[0038] As shown in FIG. 2, FIG. 6, FIG. 7, and FIG. 9 to FIG. 13, two energized components are fixedly connected on two ends of a top surface of the electrode disk 31. Each energized component includes an electrode porcelain sleeve 33, an electrode connection rod 34, and a connection seat 35. The electrode connection rod 34 is connected to the connection seat 35 through the electrode porcelain sleeve 33. Due to the insulating material of the electrode porcelain sleeve 33, the electrode porcelain sleeve 33 isolates the electrode connection rod 34 from the connection seat 35, and there is no electricity between the electrode connection rod 34 and the connection seat 35, so that the outer housing 11 is not electrically charged.

[0039] A protrusion 331 is provided on the electrode porcelain sleeve 33. Upper and lower sides of the protrusion 331 have first matching spherical surfaces 332. A center of electrode porcelain sleeve 33 defines a through hole. The electrode connection rod 34 is inserted into the through hole of the electrode porcelain sleeve 33. The bottom of the electrode connection rod 34 is fixedly connected to a connection block 36 through screws. A first flat gasket made of elastic rubber material is abutted between the connection block 36 and the electrode porcelain sleeve 33, thereby sealing the connection block 36 and the electrode porcelain sleeve 33. The connection block 36 is fixedly connected to the electrode disk 31, and the top of the electrode connection rod 34 is connected to an external power source to achieve power supply.

[0040] The connection seat 35 includes an electrode tube seat 351 that is sleeved outside the electrode porcelain sleeve 33, and the electrode tube seat 351 is threaded to a top of the outer housing 11. The electrode tube seat 351 has a limiting protrusion 3511 inside. The electrode tube seat 351 is provided with two sealing rings 352 made of soft rubber, and the two sealing rings 352 are arranged vertically. The sealing ring 352 located below overlaps with the limiting protrusion 3511. The two sealing rings 352 have second matching spherical surfaces 3521 on their opposite sides, and the two sealing rings 352 respectively press and seal against the two first matching spherical surfaces 332. Compared with flat sealing, curved sealing can be applied to gaps at different angles. The electrode porcelain sleeve 33 can be flexibly adjusted in angle when assembled with the connection seat 35, thereby ensuring sealing performance. The space enclosed by the limiting protrusion 3511 and two sealing rings 352 is filled with a filler 353, and the filler can be asbestos. The electrode tube seat 351 is detachably connected to a pressing flange 354 through bolt fasteners, and a bottom of the pressing flange 354 is pressed onto the sealing ring 352 located above.

[0041] As shown in FIG. 1, FIG. 2, FIG. 9, and FIG. 14, the water supply mechanism 40 includes a first water pump 41, a water inlet of the first water pump 41 is fixedly connected to a water inlet pipe, the water inlet pipe is fixedly connected to a bottom of the outer cylinder 10, and a water outlet of the first water pump 41 is fixedly connected to a water distribution component 42. The water distribution component 42 penetrates into the inner cylinder 20 and the inner housing 21 sequentially. The first water pump 41 can transport the electrolyte aqueous solution from the outer cylinder 10 to the inner housing 21 through the water inlet pipe.

[0042] By controlling the amount of electrolyte aqueous solution input into the inner housing 21, the evaporation amount of electrolyte aqueous solution in the inner housing 21, the amount of electrolyte aqueous solution discharged from the drainage port 26, and a liquid level of electrolyte aqueous solution in the inner housing 21 can be adjusted, thereby controlling the degree of immersion of the electrode rod 32 and increasing the working load of electrode rod 32.

[0043] The water distribution component 42 includes a main pipe 421, the main pipe 421 is fixed at the bottom of the outer cylinder 10, the main pipe 421 penetrates into the outer cylinder 10, and a top of the main pipe 421 is detachably connected to three branch pipes 422. The three branch pipes 422 are evenly distributed along a centerline of the main pipe 421, and the three branch pipes 422 are detachably connected to three vertical pipes 423 at a side facing away from the main pipe 421 respectively. The three vertical pipes 423 penetrate into a bottom of an inner housing 21 and extend into the three independent zones 25 respectively. A top of each of the three vertical pipes 423 defines multiple water dispersing holes 4231. By designing the dispersing holes 4231 as small holes, water flow can be controlled, thereby reducing the fluctuation of the water level caused by the water pressure, stabilizing the water level, and ensuring the stable heating of the electrode rod 32.

[0044] A top of each vertical pipe 423 is fixedly connected with an insulation baffle 424 made of insulating material. The insulation baffle 424 is an elliptical plate made of insulating ceramic. Each vertical pipe 423 is directly below a corresponding electrode rod 32 in a corresponding independent zone 25. The insulation baffle 424 is located below the water dispersing holes 4231. On the one hand, the insulation baffle 424 can guide water, and on the other hand, it can isolate the electrode rod 32 from the bottom of the inner housing 21 and provide insulation. The insulation baffle 424 prevents the electrical current between the bottom of electrode rod 32 and the bottom of inner housing 21, thereby preventing the curved body part 323 at the bottom of electrode rod 32 from consuming power, avoiding uneven heating caused by excessive current at the bottom of electrode rod 32; and the tip effect at the bottom of electrode rod 32 can be prevented, which reduces the electrochemical corrosion rate at the tip.

[0045] As shown in FIG. 1 and FIG. 2, the load adjustable electrode steam boiler further includes a water replenishment mechanism 50. The water replenishment mechanism 50 includes a second water pump 51. A water inlet of the second water pump 51 is connected to an external deoxygenation water source, a water outlet of the second water pump 51 is fixedly connected to a water replenishment pipe 52, and the water replenishment pipe 52 is fixedly connected to a bottom of the outer cylinder 10. The second water pump 51 can deliver deoxygenated water from the outside to the outer cylinder 10 to compensate for the steam consumption of the boiler.

[0046] As shown in FIG. 1, FIG. 2, and FIG. 15, the flow control mechanism 60 includes a butterfly valve 61 fixed on the drainage outlet 26. An operating rod of the butterfly valve 61 is connected to an insulation coupling 62. The insulation coupling 62 is rotatably connected to the outer housing 11 through a sealed bearing. A handle 63 is fixed on an end of the insulation coupling 62, and the handle 63 is located outside the outer housing 10. By controlling the rotation of the handle 63 to control the operating rod on the butterfly valve 61 through the insulation coupling 62, an opening size of butterfly valve 61 can be controlled to regulate a flow rate of the electrolyte aqueous solution flowing out of drainage port 26. On the one hand, when the electrolyte aqueous solution in the inner housing 21 is evaporated, water becomes steam and is discharged through the steam outlet pipe 12, the electrolyte will accumulate in the inner housing 21, thereby causing a high electrolyte concentration in the inner housing 21. Therefore, a flow control mechanism 60 is set up to control the drainage of the drainage port 26, so that the electrolyte aqueous solution in the inner housing 21 can flow into the outer housing 11 for circulation to prevent the accumulation of electrolytes in the inner housing 21. On the other hand, by controlling a flow rate of the electrolyte aqueous solution flowing out of the drainage port 26, the liquid level of the electrolyte aqueous solution in the inner cylinder 20 can be regulated, thereby adjusting the working load of the steam boiler.

[0047] When the load of the steam boiler is adjusted, the flow control mechanism 60 is used to adjust the flow rate of the electrolyte aqueous solution flowing out of the drainage port 26, in order to adjust the liquid level of the electrolyte aqueous solution in the inner housing 21. By controlling the degree of immersion of the electrode rod 32, the area of electrode rod 32 participating in heating work is controlled, thereby increasing the working load of electrode rod 32.

[0048] In the above embodiment, the electrolyte aqueous solution discharged from the drainage port 26 flows directly downward into the outer housing 11 and cannot be uniformly mixed with the electrolyte aqueous solution in the outer housing 11. Therefore, a second embodiment is proposed to overcome the above defect.

[0049] As shown in FIG. 16 and FIG. 17, the second embodiment is provided. The difference between the first embodiment and the second embodiment is that the second embodiment further includes a mixing mechanism 80.

[0050] The mixing mechanism 80 includes a water outlet head 81 connected to the water replenishment pipe 52 and a support 82 welded on an inner wall of the outer housing 10. A rotating ring 83 is rotatably connected to the support 82 through bearings, and the rotating ring 83 is disposed between the bottom of the outer housing 10 and the support 82. The rotating ring 83 is fixedly connected to stirring strips 84. A cross section of each of the stirring strips 84 is arc-shaped. A concave surface of each of the stirring strips 84 is directly opposite to a water outlet end of the water outlet head 81. The deoxygenated water added to the outer housing 11 by the water outlet head 81 will impact the stirring strips 84, thereby driving the stirring strips 84 to rotate. The rotation of the stirring strips 84 stirs the electrolyte aqueous solution in the outer housing 11, so that the electrolyte aqueous solution discharged from the drainage port 26 can be fully mixed with the electrolyte aqueous solution in the outer housing 11, further improving the mixing effect.

[0051] As shown in FIG. 18, another embodiment of the load adjustable electrode steam boiler of the present disclosure is provided, the difference from the above embodiments is that the structures of the electrode disk 31 and electrode rod 32 are different.

[0052] In the embodiment, the electrode disk 31 has a circular structure, and a cross section of each electrode rod 32 is rectangular. The installation hole 311 on the electrode disk 31 is rectangular, and the installation hole 311 matches a top of the electrode rod 32, so that the top of the electrode rod 32 can be inserted and limited in the installation hole 311. The electrode disk 31 adopts a circular structure, which enables the electrode heating component to adapt to different specifications of the inner cylinder 20, making it more versatile. The bottom of the electrode rod 32 on the electrode disk 31 contracts towards a center of the electrode disk 31, and this design can reduce power consumption of the bottom of the electrode rod 32 at a low liquid level.

[0053] Due to an inverse relationship between resistance and the cross section of a conductor, a rectangular cross section can increase the cross section of the electrode rod 32, provide more electronic channels, and reduce resistance. At the same time, in an electrochemical process, reduction of the resistance can reduce energy loss and improve the efficiency of energy utilization. Increase of the area of the electrode rod 32 can reduce the current density and slow down the electrochemical reaction rate. The electrode disk 31 with a disk structure and the electrode rod 32 can fully utilize the space, and the spacing between electrode rods 32 is same. In addition, the bottom structure of the electrode rod 32 is easier to achieve contraction in a production process of a circular electrode, and the rectangular flat structure of the electrode rod 32 is more convenient for bending.

Examples

first embodiment

[0030]As shown in FIG. 1 to FIG. 15, a load adjustable electrode steam boiler is provided in the present disclosure. The load adjustable electrode steam boiler includes an outer cylinder 10 and an inner cylinder 20 disposed in the outer cylinder 10. The outer cylinder 10 and the inner cylinder 20 are configured to accommodate an electrolyte aqueous solution. The three power supply components 30 are installed on the outer cylinder 10, and the three power supply components 30 are connected to a three-phase power supply. The inner cylinder 20 serves as a neutral electrode. Each power supply component 30 has multiple electrode rods 32, and each of the electrode rods 32 is inserted into the electrolyte aqueous solution in the inner cylinder 20. The outer cylinder 10 is provided with a water supply mechanism 40, and the water supply mechanism 40 is used to transport the electrolyte aqueous solution in the outer cylinder 10 to the inner cylinder 20. After the three power supply components ...

second embodiment

[0048]In the above embodiment, the electrolyte aqueous solution discharged from the drainage port 26 flows directly downward into the outer housing 11 and cannot be uniformly mixed with the electrolyte aqueous solution in the outer housing 11. Therefore, a second embodiment is proposed to overcome the above defect.

[0049]As shown in FIG. 16 and FIG. 17, the second embodiment is provided. The difference between the first embodiment and the second embodiment is that the second embodiment further includes a mixing mechanism 80.

[0050]The mixing mechanism 80 includes a water outlet head 81 connected to the water replenishment pipe 52 and a support 82 welded on an inner wall of the outer housing 10. A rotating ring 83 is rotatably connected to the support 82 through bearings, and the rotating ring 83 is disposed between the bottom of the outer housing 10 and the support 82. The rotating ring 83 is fixedly connected to stirring strips 84. A cross section of each of the stirring strips 84 is...

Claims

1. A load adjustable electrode steam boiler, comprising: an outer cylinder (10) and an inner cylinder (20) disposed in the outer cylinder (10); wherein the outer cylinder (10) and the inner cylinder (20) are configured to accommodate an electrolyte aqueous solution, the inner cylinder (20) defines three independent zones (25) connected with each other, and a bottom of the inner cylinder (20) defines a drainage port (26); the load adjustable electrode steam boiler further comprises three power supply components (30), a water supply mechanism (40), and a flow control mechanism (60);wherein the three power supply components (30) are installed on the outer cylinder (10), the three power supply components (30) comprise three electrode disks (31) respectively, and the three electrode disks (31) are respectively disposed in the three independent zones (25); electrode rods (32) are provided at an edge of each of the three electrode disks (31), and the electrode rods (32) are configured to insert into the electrolyte aqueous solution; the electrode rods (32) gradually face away from an inner wall of a corresponding one of the three independent zones (25) from top to bottom; each of the electrode rods (32) comprises a main body part (322) and a curved body part (323) integrated with the main body part (322), an inclination angle of the curved body part (323) facing towards a centerline of a corresponding one of the three power supply components (30) is greater than an inclination angle of the main body part (322) facing towards the centerline of the corresponding power supply component (30); a bottom surface of the curved body part (323) is curved; and a diameter of the curved body part (323) increases from top to bottom;wherein the water supply mechanism (40) is disposed on the outer cylinder (10), and the water supply mechanism (40) is configured to transport the electrolyte aqueous solution from the outer cylinder (10) to the inner cylinder (20); the water supply mechanism (40) comprises three insulation baffles (424), and the three insulation baffles (424) are located directly below the three power supply components (30) respectively; andwherein the flow control mechanism (60) is disposed at the drainage port (26), and the flow control mechanism (60) is configured to control a flow rate of the drainage outlet (26).

2. The load adjustable electrode steam boiler as claimed in claim 1, wherein the flow control mechanism (60) comprises a butterfly valve (61) fixed at the drainage outlet (26), an insulation coupling (62), and a handle (63); the insulation coupling (62) is connected to an operating rod of the butterfly valve (61), the insulation coupling (62) is rotatably disposed in the outer cylinder (10), the handle (63) is fixed at an end of the insulation coupling (62), and the handle (63) is located outside the outer cylinder (10).

3. The load adjustable electrode steam boiler as claimed in claim 1, wherein the load adjustable electrode steam boiler further comprises a water replenishment mechanism (50); the water replenishment mechanism (50) comprises a second water pump (51), a water inlet of the second water pump (51) is connected to an external deoxygenation water source, a water outlet of the second water pump (51) is fixedly connected to a water replenishment pipe (52), and the water replenishment pipe (52) is fixedly connected to a bottom of the outer cylinder (10).

4. The load adjustable electrode steam boiler as claimed in claim 3, wherein each of the three electrode disks (31) defines installation holes (311), the electrode rods (32) are inserted into the installation holes (311) respectively, each of the installation holes (311) is conical, and a diameter of the installation hole (311) gradually increases from top to bottom; a top of each of the electrode rods (32) comprises an installation part (321) connected to the main body part (322), the installation part (321) matches the installation hole (311), a diameter of the installation part (321) gradually increases from top to bottom, a center of the installation part (321) defines a connection screw hole (324), the connection screw hole (324) is threaded with a first bolt, the first bolt passes through the installation hole (311), and the first bolt is pressed onto a corresponding one of the three electrode disks (31).

5. The load adjustable electrode steam boiler as claimed in claim 3, wherein each of the three electrode disks (31) defines installation holes (311), each of the installation holes (311) is rectangular, a cross section of each of the electrode rods (32) is rectangular, a top of the electrode rod (32) matches the installation hole (311), and a top of the electrode rod (32) is inserted into the installation hole (311).

6. The load adjustable electrode steam boiler as claimed in claim 1, wherein each of the three power supply components (30) further comprises two energized components, and the two energized components are respectively fixed at two ends of a top surface of a corresponding one of the three electrode disks (31); andeach of the two energized components comprises an electrode porcelain sleeve (33), an electrode connection rod (34), and a connection seat (35); the electrode connection rod (34) is inserted into the electrode porcelain sleeve (33), the connection block (36) is fixed at a bottom of the electrode connection rod (34), and the connection block (36) is fixedly connected to the corresponding electrode disk (31); an outer surface of the electrode porcelain sleeve (33) is provided with a protrusion (331); upper and lower sides of the protrusion (331) are provided with first matching spherical surfaces (332) respectively; the connection seat (35) comprises an electrode tube seat (351) sleeved on the outer surface of the electrode porcelain sleeve (33); an inside of the electrode tube seat (351) is provided with upper and lower sealing rings (352), and the upper and lower sealing rings (352) comprise second matching spherical surfaces (3521) respectively; and second matching spherical surfaces (3521) are configured to seal and connect to the first matching spherical surfaces (332) respectively.

7. The load adjustable electrode steam boiler as claimed in claim 1, wherein the water supply mechanism (40) comprises a first water pump (41), a water inlet of the first water pump (41) is fixedly connected to a water inlet pipe, the water inlet pipe is fixedly connected to a bottom of the outer cylinder (10), a water outlet of the first water pump (41) is fixedly connected to a water distribution component (42), and the water distribution component (42) penetrates into the inner cylinder (20).

8. The load adjustable electrode steam boiler as claimed in claim 7, wherein the water distribution component (42) comprises a main pipe (421), three branch pipes (422) and three vertical pipes (423); the main pipe (421) is fixed at the bottom of the outer cylinder (10), the main pipe (421) penetrates into the outer cylinder (10), and a top of the main pipe (421) is detachably connected to the three branch pipes (422); the three branch pipes (422) are evenly distributed along a centerline of the main pipe (421), and the three branch pipes (422) are detachably connected to the three vertical pipes (423) at a side facing away from the main pipe (421) respectively; the three vertical pipes (423) penetrate into a bottom of an inner housing (21) and extend into the three independent zones (25) respectively; a top of each of the three vertical pipes (423) defines a plurality of water dispersing holes (4231), and the three insulation baffles (424) are fixedly disposed at tops of the three vertical pipes (423) respectively.

9. The load adjustable electrode steam boiler as claimed in claim 8, wherein each of the three insulation baffles (424) is located below the plurality of water dispersing holes (4231), each of the three insulation baffles (424) is an elliptical plate and is located directly below the electrode rods (32) in a corresponding one of the three independent zones (25).

10. The load adjustable electrode steam boiler as claimed in claim 2, wherein the load adjustable electrode steam boiler further comprises a mixing mechanism (80); andwherein the mixing mechanism (80) comprises a water outlet head (81) connected to the water replenishment pipe (52), a support (82) fixed on an inner wall of the outer cylinder (10), a rotating ring (83), and stirring strips (84); the rotating ring (83) is disposed on the support (82), and the stirring strips (84) are fixed on the rotating ring (83); and the water outlet head (81) is configured to replenish water to impact the stirring strips (84), thereby driving the stirring strips (84) to rotate.

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