High-pressure water heater with aging detection function

Abstract

The invention relates to the technical field of heat recycling, and discloses a high-pressure water heater with an aging detection function, the high-pressure water heater comprises a tank body and a rack, the tank body is located on the lower portion in the rack, two partition plates are integrally formed in the tank body, an inner cavity I is formed above the partition plate located on the upper portion in the tank body, and an outer cavity II is formed in the inner cavity I; an inner cavity II is arranged between the two partition plates in the inner cavity I, and an inner cavity III is arranged below the partition plate at the lower part in the tank body. The automatic circulation heat exchange device has the characteristics of efficient heat exchange and automatic circulation, and through transmission of structures such as a straight gear, a bevel gear and a screw rod, automatic circulation heat exchange operation under high-pressure steam driving is realized. After entering the tank body, high-pressure steam is in full contact and heat exchange with medium water through the heat exchange pipes and the heat exchange sheets, so that the heat conduction efficiency is improved; the heat exchange effect is further enhanced through the stirring effect of the heat exchange pipes and the heat exchange pieces, and the local overheating or supercooling phenomenon is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of heat recovery and utilization, in particular to a high-pressure water heater with an aging detection function. Background Art

[0002] With the development of industry, high-pressure water heaters have been widely used in many fields, such as boiler preheating, chemical process, etc. However, there are some problems with traditional high-pressure water heaters during use:

[0003] Lack of aging detection function: Failure to detect equipment aging in a timely manner can easily lead to failures and accidents, affecting production efficiency and safety.

[0004] Heat exchange efficiency needs to be improved: Traditional heat exchange structures may have problems such as small heat conduction area and uneven temperature distribution, which affect the heat exchange effect.

[0005] Easy to scale and clog: After long-term use, scale and impurities are likely to accumulate inside the equipment, affecting the heat exchange efficiency and equipment life, and regular cleaning and maintenance are required.

[0006] Low degree of automation: Some traditional high-pressure water heaters require manual operation to control water inlet and outlet and heat exchange, and the degree of automation is low, which increases labor costs and operating difficulty.

[0007] Therefore, there is a lack of a high-pressure water heater with an aging detection function to solve the above problems. Summary of the invention

[0008] In view of the deficiencies in the prior art, the present invention provides a high-pressure water heater with an aging detection function, which solves the problems raised in the above-mentioned background technology.

[0009] To solve the above technical problems, according to one aspect of the present invention, more specifically, a high-pressure water heater with an aging detection function includes a tank body and a frame, the tank body is located at the lower part of the frame, and two partitions are integrally formed inside the tank body, and the upper part of the partition located at the upper part of the tank body is set as inner cavity one, and the inner cavity one is located between the two partitions and is set as inner cavity two, and the lower part of the partition located at the lower part of the tank body is set as inner cavity three, a bracket is fixed inside the inner cavity three, an incomplete gear is rotatably connected to the upper surface of the bracket, the bottom end of the incomplete gear passes through the lower surface of the bracket and is fixed with an impeller, the left and right sides of the inner cavity three are rotatably connected to the helical gear one, and the tops of the two helical gears are meshed together It is connected to helical gear 2, and a spur gear 1 is fixed on the upper surface of the helical gear 2. A vertical cylinder is fixed to the spur gear 1 and the middle part of the helical gear 2. The top of the vertical cylinder penetrates into the interior of the inner cavity 2 and is connected with multiple heat exchange tubes. The left and right sides of the spur gear 1 are meshed with spur gear 2, and the bottom ends of the multiple heat exchange tubes are connected with a turntable. The upper surface of the turntable is rotatably connected with a vertical tube, the interior of the vertical tube is connected with the interior of the turntable, the top of the vertical tube penetrates into the interior of the inner cavity 1, and the vertical tube is fixedly connected to the partition above. A screw rod is fixed at the center of the upper surface of the spur gear 2, and the top ends of the two screw rods penetrate into the lower surface of the inner cavity 1. The outer surfaces of the two screw rods are located in the inner cavity 2 and are threadedly connected to two pressure plates.

[0010] Furthermore, multiple connecting rods are fixed on opposite sides of the two pressure plates, and the pressure plates are fixedly connected to scraper rings through the multiple connecting rods; a steam inlet pipe is connected to the bottom of the tank body, an exhaust pipe is connected to the top of the outer surface of the tank body, and a water inlet pipe and a drain pipe are connected to the left and right sides of the middle part of the outer surface of the tank body respectively; a valve slot 1 is provided inside the water inlet pipe, a valve plate 1 is rotatably connected to the right side of the valve slot 1, a valve slot 2 is provided inside the drain pipe, a valve plate 2 is rotatably connected to the right side of the valve slot 2, a pipe 1 is connected to the left end of the drain pipe, an aging detection device is connected to the top of the pipe 1, the aging detection device is connected to the right end of the pipe 2, and the exhaust pipe is connected to the right end of the pipe 3; a water quality detection device is fixed at the lower right side of the frame, the right ends of the pipe 2, the water quality detection device and the pipe 3 all penetrate to the right side of the frame, and the water inlet pipe is connected to the water quality detection device.

[0011] Furthermore, a spur gear three is fixed to the top of the screw rod, and a spur gear four is meshed and connected between the two spur gears three. A slot is provided at the center of the upper surface of the spur gear four, and a filter cartridge is provided inside the inner cavity one. A block is fixed to the lower surface of the filter cartridge located inside the slot, and a tank cover is threadedly connected to the upper part of the inner cavity one. Two scrapers are fixed to the lower surface of the tank cover located inside the filter cartridge, and both scrapers are in contact with the inner wall of the filter cartridge.

[0012] Furthermore, a screw is fixed at the center of the upper surface of the vertical cylinder, a lifting plate is threadedly connected to the outer surface of the screw, a plurality of guide rods are connected through the inside of the lifting plate, and the top ends of the plurality of guide rods are fixedly connected to the lower surface of the turntable.

[0013] Furthermore, a plurality of heat exchange fins are integrally formed on the outer surface of the heat exchange tube.

[0014] Furthermore, the incomplete gear is adapted to one of the two helical gears.

[0015] Furthermore, the outer surfaces of the two pressure plates are provided with a rubber layer, and the outer surfaces of the pressure plates are in contact with the second inner surfaces of the inner cavity; the outer surface of the scraper ring is in contact with the second inner wall of the inner cavity.

[0016] Furthermore, the outer surfaces of the valve plate 1 and the valve plate 2 are both provided with a rubber layer.

[0017] The beneficial effects of the high-pressure water heater with aging detection function of the present invention are:

[0018] (1) The present invention has the characteristics of efficient heat exchange and automatic circulation. Through the transmission of spur gears, helical gears, screws and other structures, the automatic circulation heat exchange operation driven by high-pressure steam is realized; after the high-pressure steam enters the tank body, it fully contacts and exchanges heat with the medium water through the heat exchange tubes and heat exchange plates, thereby improving the heat conduction efficiency;

[0019] At the same time, the stirring effect of the heat exchange tubes and heat exchange fins further enhances the heat exchange effect and avoids local overheating or overcooling;

[0020] In addition, the equipment also has an automatic cleaning structure, which reduces the accumulation of scale and impurities and increases the service life; it realizes the efficient use of waste heat and the continuous preparation of steam to heat water;

[0021] (2) The present invention detects the heated water inside the tank through aging detection equipment, analyzes data such as pressure, water quality, and flow, and can monitor the aging condition inside the equipment in real time, discover problems in time and perform maintenance, thereby improving the reliability and safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the internal structure of the rack in the present invention;

[0025] Figure 3It is a schematic diagram of the tank body in the present invention;

[0026] Figure 4 It is a cross-sectional schematic diagram of the tank body in the present invention;

[0027] Figure 5 It is a schematic cross-sectional view of the internal structure of the tank body in the present invention;

[0028] Figure 6 It is a schematic diagram of the internal structure of the tank body in the present invention;

[0029] Figure 7 For the present invention Figure 6 Schematic diagram of the structure viewed from above;

[0030] Figure 8 It is a schematic diagram of the structure of the pressure plate and the heat exchange tube in the present invention;

[0031] Fig. 9 It is a schematic diagram of the structure of the heat exchange tube and the lifting plate in the present invention.

[0032] In the figure: 1, tank body; 2, partition; 3, inner cavity 1; 4, inner cavity 2; 5, inner cavity 3; 6, steam inlet pipe; 7, exhaust pipe; 8, water inlet pipe; 9, drain pipe; 10, valve slot 1; 11, valve plate 1; 12, valve slot 2; 13, valve plate 2; 14, bracket; 15, incomplete gear; 16, impeller; 17, helical gear 1; 18, helical gear 2; 19, spur gear 1; 20, spur gear 2; 21, vertical cylinder; 22, screw rod; 23, change Heat pipe; 24. Turntable; 25. Vertical pipe; 26. Pressure plate; 27. Connecting rod; 28. Scraper ring; 29. ​​Spur gear three; 30. Spur gear four; 31. Slot; 32. Filter cartridge; 33. Block; 34. Tank cover; 35. Scraper; 36. Screw; 37. Lifting plate; 38. Guide rod; 39. Heat exchanger; 40. Rack; 41. Pipeline one; 42. Aging detection equipment; 43. Pipeline two; 44. Water quality detection equipment; 45. Pipeline three. DETAILED DESCRIPTION

[0033] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0034] like Figure 1-9As shown, according to one aspect of the present invention, a high-pressure water heater with an aging detection function is provided, including a tank body 1 and a frame 40, the tank body 1 is located at the lower part of the frame 40, two partitions 2 are integrally formed inside the tank body 1, an inner cavity 3 is set above the upper partition 2 inside the tank body 1, an inner cavity 2 4 is set between the two partitions 2 inside the inner cavity 3, and an inner cavity 3 5 is set below the lower partition 2 inside the tank body 1, a steam inlet pipe 6 is connected to the bottom of the tank body 1, a steam exhaust pipe 7 is connected above the outer surface of the tank body 1, a water inlet pipe 8 and a drain pipe 9 are connected to the left and right sides of the middle of the outer surface of the tank body 1 respectively, a valve slot 10 is provided inside the water inlet pipe 8, a valve plate 11 is rotatably connected to the right side of the valve slot 10, a valve slot 2 12 is provided inside the drain pipe 9, and a valve slot 2 12 is provided inside the right side of the valve slot 2 A valve plate 2 13 is rotatably connected, and the outer surfaces of valve plate 1 11 and valve plate 2 13 are both provided with a rubber layer. The left end of the drain pipe 9 is connected with a pipe 1 41, and the top of the pipe 1 41 is connected with an aging detection device 42, and the right end of the aging detection device 42 is connected with a pipe 2 43, and the right end of the exhaust pipe 7 is connected with a pipe 3 45. A water quality detection device 44 is fixed at the lower right side of the frame 40, and the right ends of the pipe 2 43, the water quality detection device 44, and the pipe 3 45 all penetrate to the right side of the frame 40. The water inlet pipe 8 is connected with the water quality detection device 44, and the water quality detection device 44 is connected with an external water supply pipe to provide external water supply quality data. The aging detection device 42 is used to detect the water after heating inside the tank body 1, and analyzes the pressure, water quality, flow rate and other data by detecting the hot water flowing out after heating, so as to monitor the internal aging condition;

[0035] When the valve plate fits with the inner wall of the valve slot, the rubber layer arranged on the surface can improve its sealing effect. A bracket 14 is fixed inside the inner cavity 3 5. An incomplete gear 15 is rotatably connected to the upper surface of the bracket 14. The bottom end of the incomplete gear 15 penetrates the lower surface of the bracket 14 and is fixed with an impeller 16. The left and right sides of the inner cavity 3 5 are rotatably connected with a helical gear 17. The incomplete gear 15 is adapted to the two helical gears 17. When the incomplete gear 15 rotates, it will mesh with the helical gear 17 on the left side when it rotates to the left side, and mesh with the helical gear 17 on the right side when it rotates to the right side, so that it can mesh with the two helical gears 17, but can only mesh with the helical gear 17 on one side at the same time.

[0036] The tops of the two bevel gears 17 are meshed and connected with a bevel gear 2 18, and a spur gear 19 is fixed on the upper surface of the bevel gear 2 18. A vertical cylinder 21 is fixed to the middle of the spur gear 19 and the bevel gear 2 18. The top of the vertical cylinder 21 penetrates into the interior of the inner cavity 2 4 and is connected with a plurality of heat exchange tubes 23. The left and right sides of the spur gear 19 are meshed and connected with spur gear 20. The bottom ends of the plurality of heat exchange tubes 23 are connected with a turntable 24. The upper surface of the turntable 24 is rotatably connected with a vertical tube 25. The interior of the vertical tube 25 is connected with the interior of the turntable 24. The top of the vertical tube 25 penetrates into the interior of the inner cavity 3, and the vertical tube 25 is fixedly connected to the partition 2 above. A screw rod 22 is fixed at the center of the upper surface of the spur gear 20. The tops of the two screw rods 22 penetrate into the lower surface of the inner cavity 3. The outer surfaces of the two screw rods 22 are located in the inner cavity 2 4 and are threadedly connected with two pressure plates 26. The outer surface of the heat exchange tube 23 is integrally formed with a plurality of heat exchange fins 39.

[0037] When the screw rod 22 rotates driven by the spur gear 20, the two pressure plates 26 on the outer surface of the screw rod 22 will move relative to or away from each other. When the pressure plates 26 move away from each other, the internal space of the two pressure plates 26 is negatively pressurized, causing the suction valve plate 11 to rotate and open, so that the inside of the water inlet pipe 8 is connected with the inside of the inner cavity 2 4, and external medium water is attracted to enter the tank body 1 for heat exchange operation. When the two pressure plates 26 move relative to each other, the water between the two pressure plates 26 will be squeezed, so that the valve plate 2 13 is pushed to rotate and open, so that the water after heat exchange is discharged through the drain pipe 9, completing the automatic circulation and continuous heat exchange operation;

[0038] The screw rod 22 and the spur gear 20 are driven to rotate by high-pressure steam. The high-pressure steam enters the inner chamber 3 5 from the steam inlet pipe 6 and rotates the impeller 16 and the incomplete gear 15 during the flow. The incomplete gear 15 is respectively meshed with the two helical gears 17 for transmission during continuous rotation, and the helical gear 2 18 drives the spur gear 1 19 to reciprocate in positive and negative rotation during the intermittent transmission of the two helical gears 17, thereby causing the screw rod 22 to reciprocate in positive and negative rotation under the transmission of the spur gear 2 20, and finally driving the screw rod 22 to rotate in positive and negative directions, causing the two pressure plates 26 to move relative to or opposite to each other, thereby attracting and discharging the medium water;

[0039] After entering the inner cavity 3 5, the high-pressure steam will enter the multiple heat exchange tubes 23 through the vertical cylinder 21 at the same time, and perform heat exchange operation through the heat exchange tubes 23 and the heat exchange fins 39. The heat exchange tubes 23 will rotate with the rotation of the spur gear 19 through the vertical cylinder 21. The heat exchange tubes 23 and the heat exchange fins 39 stir the medium water. The stirring can make the contact between the medium water and the surface of the heat exchange tubes 23 more complete, thereby increasing the area and efficiency of heat conduction. At the same time, the stirring helps to evenly distribute the temperature of the medium water, avoid local overheating or overcooling, and further improve the heat exchange effect.

[0040] A screw 36 is fixed at the center of the upper surface of the vertical cylinder 21, and a lifting plate 37 is threadedly connected to the outer surface of the screw 36. A plurality of guide rods 38 are connected to the inside of the lifting plate 37, and the top ends of the plurality of guide rods 38 are fixedly connected to the lower surface of the turntable 24; while the heat exchange tubes 23 and the heat exchange plates 39 stir the medium water, the screw 36 rotates forward and reverse with the rotation of the vertical cylinder 21, so that the lifting plate 37 moves back and forth under the limit of the guide rods 38, so as to further stir and mix the medium water.

[0041] like Figure 6 As shown, multiple connecting rods 27 are fixed on the opposite sides of the two pressure plates 26, and the pressure plates 26 are fixedly connected with scraper rings 28 through the multiple connecting rods 27. When the pressure plates 26 are raised and lowered, the scraper rings 28 will clean the inner wall of the inner cavity 24 to reduce scale accumulation and increase the service life of the structure.

[0042] like Figure 5 As shown, a spur gear three 29 is fixed to the top of the screw rod 22, and a spur gear four 30 is meshed and connected between the two spur gears three 29. A slot 31 is opened at the center of the upper surface of the spur gear four 30. A filter cartridge 32 is arranged inside the inner cavity 3, and a block 33 is fixed to the lower surface of the filter cartridge 32 located inside the slot 31. A tank cover 34 is threadedly connected to the upper part of the inner cavity 3. Two scrapers 35 are fixed to the lower surface of the tank cover 34 located inside the filter cartridge 32. Both scrapers 35 are in contact with the inner wall of the filter cartridge 32. The cooled gas is finally filtered through the filter cartridge 32 and discharged. When the screw rod 22 rotates, the spur gear three 29 is driven to rotate, and the spur gear four 30 is driven to rotate. When the slot 31 is engaged with the block 33, the filter cartridge 32 rotates, and the stationary scraper 35 scrapes and cleans the inner wall of the filter cartridge 32 to remove impurities, thereby reducing blockage and increasing the service life of the filter cartridge 32. The tank cover 34 can be opened by rotating to directly take out and replace a new filter cartridge 32.

[0043] like Figure 5-6 As shown, the outer surfaces of the two pressure plates 26 are provided with a rubber layer, and the outer surfaces of the pressure plates 26 fit with the inner surface of the inner cavity 4 to prevent medium water leakage; the outer surface of the scraper ring 28 fits with the inner wall of the inner cavity 4 to improve the scale scraping efficiency.

[0044] Before use, the water quality detection device 44 is connected to the external water supply pipeline to provide the equipment with water for heat exchange. The pipeline 2 43 is connected to the water pipeline to transport the hot water after the equipment heat exchange to the boiler and other heat-using equipment. The bottom end of the steam inlet pipe 6 is connected to the steam pipeline to supply steam to the inside of the equipment for heat exchange operation; the high-pressure steam of the external boiler is first transported into the inner cavity 3 5 through the steam pipeline and the steam inlet pipe 6, and the steam flows into the vertical cylinder 21, the heat exchange tube 23, the vertical pipe 25, and the filter cartridge s32 in sequence, and finally discharged through the exhaust pipe 7;

[0045] Among them, through the heat conduction of multiple heat exchange tubes 23 and spur gear 19, the heat energy is transmitted to the medium water between the two pressure plates 26, so that the water is heated and the steam is cooled. Finally, the hot water that has completed the heat exchange is transported to the boiler and other heat-using equipment through the drainage pipe 9 and the water pipe for preheating.

[0046] The cooled steam is filtered in the filter cartridge 32, and the impurities in the steam are screened out and safely discharged through the pipeline 3 45.

[0047] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A high-pressure water heater with an aging detection function, comprising a tank body (1) and a frame (40), characterized in that: The tank body (1) is located at the lower part of the frame (40), and two partitions (2) are integrally formed inside the tank body (1). The upper part of the partition (2) inside the tank body (1) is set as an inner cavity one (3), and the inner cavity one (3) is set between the two partitions (2) as an inner cavity two (4). The lower part of the partition (2) inside the tank body (1) is set as an inner cavity three (5). A bracket (14) is fixed inside the inner cavity three (5), and an incomplete gear (15) is rotatably connected to the upper surface of the bracket (14). The bottom end of the incomplete gear (15) passes through the lower surface of the bracket (14) and is fixed with an impeller (16). The left and right sides of the inner cavity three (5) are rotatably connected to bevel gear one (17), and the tops of the two bevel gears one (17) are meshed with bevel gear two (18). A spur gear one (19) is fixed to the upper surface of the bevel gear two (18). A vertical tube (21) is fixed to the middle of the first (19) and the second (18) bevel gears. The top of the vertical tube (21) penetrates into the interior of the second (4) inner cavity and is connected to a plurality of heat exchange tubes (23). The left and right sides of the first (19) bevel gears are meshedly connected to the second (20) bevel gears. The bottom ends of the plurality of heat exchange tubes (23) are connected to a rotating disk (24). The upper surface of the rotating disk (24) is rotatably connected to a vertical tube (25). The interior of the vertical tube (25) is connected to the rotating disk. (24) are connected internally, the top end of the vertical tube (25) passes through the interior of the inner cavity one (3), and the vertical tube (25) is fixedly connected to the partition (2) above, a screw rod (22) is fixed at the center of the upper surface of the spur gear two (20), the top ends of the two screw rods (22) both pass through the lower surface of the inner cavity one (3), and the outer surfaces of the two screw rods (22) are located inside the inner cavity two (4) and are threadedly connected to two pressure plates (26).

2. A high-pressure water heater with aging detection function according to claim 1, characterized in that: A plurality of connecting rods (27) are fixed on opposite sides of the two pressure plates (26), and the pressure plates (26) are fixedly connected to scraper rings (28) through the plurality of connecting rods (27); a steam inlet pipe (6) is connected to the bottom of the tank body (1), and a steam exhaust pipe (7) is connected to the top of the outer surface of the tank body (1); a water inlet pipe (8) and a water discharge pipe (9) are respectively connected to the left and right sides of the middle of the outer surface of the tank body (1); a valve slot 1 (10) is provided inside the water inlet pipe (8), and a valve plate 1 (11) is rotatably connected to the right side of the valve slot 1 (10); a valve slot 2 (12) is provided inside the water discharge pipe (9), and the valve slot 2 (12) is connected to the right side of the valve plate 1 (1 ... connected to the right side of the valve plate 1 (11); a valve slot 2 (12) is connected to the right side of the valve plate 1 (11); a valve slot 2 (12) is connected to the right side of the valve plate 1 (11); a valve slot 2 (12) is connected to the right side of the valve plate 1 (11); a valve slot 2 (12) is connected to the right side of the valve plate 1 (11); a valve slot 2 (12) is connected to the right side of the 2) a valve plate 2 (13) is rotatably connected to the right side of the interior; the left end of the drain pipe (9) is connected to a pipe 1 (41); the top end of the pipe 1 (41) is connected to an aging detection device (42); the right end of the aging detection device (42) is connected to a pipe 2 (43); the right end of the exhaust pipe (7) is connected to a pipe 3 (45); a water quality detection device (44) is fixed at the lower right side of the frame (40); the right ends of the pipe 2 (43), the water quality detection device (44) and the pipe 3 (45) all pass through the right side of the frame (40); and the water inlet pipe (8) is connected to the water quality detection device (44).

3. A high-pressure water heater with aging detection function according to claim 2, characterized in that: A spur gear three (29) is fixed to the top of the screw rod (22), and a spur gear four (30) is meshed and connected between the two spur gears three (29), and a slot (31) is provided at the center of the upper surface of the spur gear four (30). A filter cartridge (32) is provided inside the inner cavity one (3), and a block (33) is fixed on the lower surface of the filter cartridge (32) located inside the slot (31). A tank cover (34) is threadedly connected to the upper part of the inner cavity one (3), and two scrapers (35) are fixed on the lower surface of the tank cover (34) located inside the filter cartridge (32), and the two scrapers (35) are both in contact with the inner wall of the filter cartridge (32).

4. The high-pressure water heater with aging detection function according to claim 3, characterized in that: A screw rod (36) is fixed at the center of the upper surface of the vertical cylinder (21), and a lifting plate (37) is threadedly connected to the outer surface of the screw rod (36). A plurality of guide rods (38) are connected through the inside of the lifting plate (37), and the top ends of the plurality of guide rods (38) are fixedly connected to the lower surface of the rotating disk (24).

5. The high-pressure water heater with aging detection function according to claim 4, characterized in that: A plurality of heat exchange fins (39) are integrally formed on the outer surface of the heat exchange tube (23).

6. The high-pressure water heater with aging detection function according to claim 5, characterized in that: The incomplete gear (15) is matched with the two bevel gears (17).

7. A high-pressure water heater with aging detection function according to claim 6, characterized in that: The outer surfaces of the two pressure plates (26) are provided with a rubber layer, and the outer surfaces of the pressure plates (26) are in contact with the inner surface of the second inner cavity (4); the outer surface of the scraper ring (28) is in contact with the inner wall of the second inner cavity (4).

8. The high-pressure water heater with aging detection function according to claim 7, characterized in that: The outer surfaces of the valve plate 1 (11) and the valve plate 2 (13) are both provided with a rubber layer.

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