High-voltage adjustable electric boiler
An adjustable, electric boiler technology, applied in the field of electric boilers, can solve problems such as frequent operation of switches, and achieve the effects of saving energy, reducing pollution, and reducing waste
Active Publication Date: 2015-09-23
SHENYANG SHIJIE ELECTRIC
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Problems solved by technology
However, the high-voltage electric boiler generally adopts the method of constant heating power during the conversion process from electric energy to heat energy. When the user changes the heat energy demand, he can only frequently operate the switch and change the output power by adjusting the duty cycle. This method does not It is suitable for users with frequent heat adjustment and high stability requirements, so it is necessary to develop a new type of high-voltage electric boiler with step-by-step heating power adjustment components inside to meet the user's heat requirements
Method used
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Embodiment 1
[0024] Depend on Figure 1-5 As shown in the figure, there is a shell with heat preservation composed of a cylinder structure 14, an upper spherical head 9, a lower spherical head 7, and a shell flange 12. The shell with heat preservation is composed of two ends The cylindrical metal structure with spherical head is made and then outsourced with heat insulating material; the middle spherical head 15 arranged on the inner side of the upper part of the shell, the resistance heating part 1, and the lead-out electrode 17 with insulating sleeve 16; the heat-absorbing tube The upper port of the group 6 is connected with the steam production box, and the lower port of the heat absorption pipe group 6 is connected with the cold water input flange 10 through the communication pipe 13; the steam production box between the middle spherical head 15 and the upper spherical head 9 is provided with The overflow port 25 connected with the circulating water pipe 5; the resistance heating compo...
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A high-voltage adjustable electric boiler comprises a housing with insulation, an intermediate spherical head disposed at an inner side of an upper portion of the housing, a resistance heating part, extraction electrodes with insulating bushes, heat-absorbing tubes, a steam generating box, communicating water pipes, a circulating water pipe, and an interface flange set. The high-voltage adjustable electric boiler is characterized in that an overflow port connected with the circulating water pipe is disposed in the steam generating box; the resistance heating part is formed by a resistance tape set, a control switch and a support framework which are immersed in insulation heat conduction oil; the resistance tape set is formed by a plurality of resistance discs; the resistance discs are concentric discs which are prepared by continuously rolling metal tapes having resistance values satisfying heating power requirements under rated operational voltage into multiple coils and have interlayer gaps; and the support framework is formed by inner vertical frames, outer vertical frames, inter-disc horizontal frames and interlayer insulation cushion blocks. Output power can be flexibly changed according to thermal requirements through control of the control switch, energy is saved and waste is reduced, and the high-voltage adjustable electric boiler is an ideal device for replacing a coal-fired steam boiler to prepare hot water and steam.
Description
technical field [0001] The invention relates to the technical field of electric boilers, in particular to a high-voltage adjustable electric boiler. In particular, it relates to a resistance heating oil furnace with a working voltage level of 5kV to 220kV. The heating part is equipped with a power adjustment mechanism to realize the power control during the conversion process of high voltage electric boiler from electric energy to heat energy. Background technique [0002] The applicant applied for a high-voltage resistance heating oil pan on September 1, 2014, and its patent application number is: 2014104373877. Although this invention application can fundamentally replace coal burning, it is an ideal equipment for hospitals, hotels, schools and enterprises to replace coal burning steam boilers to produce steam. However, the high-voltage electric boiler generally adopts the method of constant heating power during the conversion process from electric energy to heat energy....
Claims
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IPC IPC(8): F22B1/28
Inventor 朱建新
Owner SHENYANG SHIJIE ELECTRIC