带泄压装置的即热式锅炉
By installing a steam pressure relief port and pressure relief valve assembly on the instantaneous boiler, the problem of increased pressure caused by steam outlet blockage is solved, thus ensuring boiler safety and stable steam generation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO ELMAR ELECTRIC MFG CO LTD
- Filing Date
- 2025-07-22
- Publication Date
- 2026-07-17
AI Technical Summary
When the steam outlet or steam delivery pipe of an existing instantaneous boiler is blocked, the pressure inside the steam generation chamber increases, which can easily lead to boiler explosion and pose a safety hazard.
A steam pressure relief port is installed on the boiler cover, and a pressure relief valve assembly is provided, including a pressure relief connector, spring, moving block and sealing gasket. It automatically opens to relieve pressure when the steam pressure is too high, thus preventing the boiler from bursting due to excessive steam pressure.
It effectively avoids the explosion of instantaneous boilers, eliminates safety hazards, and ensures the stability and safety of steam generation and supply.
Smart Images
Figure CN224516746U_ABST
Abstract
Claims
1. An instantaneous boiler with a pressure relief device, comprising a lower boiler cover (1) and an upper boiler cover (2); the upper boiler cover (2) is fixed to the upper end of the lower boiler cover (1), a steam generating chamber (3) is formed between the upper boiler cover (2) and the lower boiler cover (1), an inlet (11) and a steam outlet (12) communicating with the steam generating chamber (3) are respectively formed on the left and right sides of the lower boiler cover (1), the inlet (11) is connected to the outlet of a water pump, and an electric heating tube (4) is embedded in the bottom of the lower boiler cover (1); characterized in that: The boiler cover (2) is provided with a steam pressure relief port (21) that communicates with the steam generation chamber (3), and a pressure relief valve assembly is provided at the steam pressure relief port (21).
2. The instantaneous boiler with pressure relief device according to claim 1, characterized in that: The pressure relief valve assembly includes a pressure relief connector (51), a spring (52), a movable block (53), and a sealing gasket (54); the boiler cover (2) is provided with a threaded interface (22), the steam pressure relief port (21) is located at the bottom of the threaded interface (22), the pressure relief connector (51) is threadedly connected to the threaded interface (22), the movable block (53) is vertically and movably located in the threaded interface (22) and is clearance-fitted with the threaded interface (22), the sealing gasket (54) is embedded in the lower end of the movable block (53), and the spring (52) is located between the pressure relief connector (51) and the movable block (53); the spring (52) is used to apply a downward elastic force to the movable block (53) so that the lower end of the sealing gasket (54) abuts against the upper end of the steam pressure relief port (21) and seals the steam pressure relief port (21).
3. The pressurized boiler according to claim 2, characterized in that: An annular boss (23) is provided at the bottom of the threaded interface (22) and at the edge above the steam pressure relief port (21). The annular boss (23) is used to abut against and squeeze the lower end of the sealing gasket (54).
4. The pressurized boiler according to claim 2, characterized in that: An annular step (531) is provided at the outer edge of the upper end of the movable block (53), the lower end of the spring (52) abuts against the annular step (531), and a slot (521) is provided at the lower end of the pressure relief connector (51), and the upper end of the spring (52) is inserted into the slot (521).
5. The pressurized boiler according to claim 2, characterized in that: The pressure relief connector (51) is connected to a pressure relief pipe (511) at its upper end.
6. The pressurized boiler according to any of the claims 1-5, characterized in that: The steam generating chamber (3) includes several steam vaporization chambers (31) arranged sequentially adjacent to each other, and each pair of adjacent steam vaporization chambers (31) is interconnected; the several steam vaporization chambers (31) are formed by several partitions (13) located at the bottom of the boiler lower cover (1) and several baffles (24) located at the top of the boiler upper cover (2); the water inlet (11) is connected to the first steam vaporization chamber (31), and the steam outlet (12) is connected to the last steam vaporization chamber (31).
7. The pressurized boiler according to claim 6, characterized in that: A temperature sensor (6) is fixed on the bottom of the boiler cover (1), and the temperature sensor (6) is electrically connected to the controller.
8. The boiler according to any one of claims 1-5, characterized in that: The instantaneous boiler also includes an upper heat-insulating shell (71) and a lower heat-insulating shell (72); the upper heat-insulating shell (71) and the lower heat-insulating shell (72) are fastened together and wrap around the lower cover (1) and the upper cover (2) of the boiler.
9. The pressurized boiler according to any of claims 1-5, characterized in that: The outer wall of the upper heat insulation shell (71) is provided with a plurality of spring buckles (711) spaced apart circumferentially, and the outer wall of the lower heat insulation shell (72) is provided with a plurality of locking blocks (721) spaced apart circumferentially. Each spring buckle (711) is engaged with the locking block (721) at the corresponding position to lock the upper heat insulation shell (71) and the lower heat insulation shell (72).
10. The pressurized boiler according to any one of claims 1-5, characterized in that: The outer bottom of the boiler lower cover (1) is fixed with a temperature controller (8) and a temperature fuse (9), and the temperature controller (8) and the temperature fuse (9) are electrically connected with the controller.