Electrode boiler with electrodes unit
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Solution Overview
Problem
Existing electrode boilers face challenges in fabrication complexity, assembly accuracy, maintenance, and efficiency due to symmetric electrode arrangements, which lead to reduced service life and increased sludge and rust deposition, limiting adaptability and convection efficiency.
Innovation Solution
The electrode boiler features non-symmetrically arranged rod electrodes with asymmetrical bases and insulating bushings, allowing for flexible orientation and reduced sludge deposition, along with adjustable bushing heights for improved convection and phase current balance, enhancing maintenance and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If symmetric electrode arrangement is used, then structural simplicity and ease of manufacture are improved, but sludge deposition increases and service life decreases
Solution Approach 1:
The patent applies asymmetry by arranging electrodes in a non-symmetric configuration within the boiler chamber. Specifically, electrodes are positioned at different heights and angles relative to the boiler axis, creating an asymmetric electric field distribution that prevents uniform sludge deposition. This asymmetric arrangement disrupts the settling patterns of iron oxidation products and foreign particles, reducing accumulation on electrode surfaces and thereby extending service life while maintaining manufacturing simplicity.
2Device complexity
If symmetric electrode arrangement is used, then structural simplicity is improved, but convection efficiency and mixing capability deteriorate
Solution Approach 1:
The asymmetric electrode arrangement creates non-uniform electric field distribution that enhances convection currents within the boiler. The varying electrode positions and orientations generate differential heating patterns that promote better mixing of water and steam, improving heat transfer efficiency and convection performance without adding complex mechanical components.
3Ease of operation
If symmetric electrode arrangement is used, then ease of assembly is improved, but adaptability to different operating conditions deteriorates
Solution Approach 1:
The asymmetric electrode configuration provides adaptability to different operating conditions by creating variable electric field patterns that can accommodate different water flow rates, temperatures, and steam generation requirements. The non-uniform arrangement allows the system to respond more effectively to varying loads and operational demands while maintaining straightforward assembly procedures.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration simplifies fabrication and maintenance, reduces sludge and rust deposition, extends device life, and improves convection efficiency, while allowing for flexible operation and adaptability without design changes.
Implementation Method 1
electrode boiler with electrodes unit... heat released by electric current (single- or three-phase one) directly flowing through water
Implementation Method 2
improves convection efficiency... flexible purposive changing of convection conditions for liquid flows of different temperatures within the boiler
Data Source
AI summary
The invention relates to heat engineering, power engineering and the field of electric heating of liquids, water for instance; it can be used in circulation water heating systems and hot water supply, and as a universal device for diverse electric heaters. An object of the invention are to enhance the ease of fabrication, fabricability, and operability for block electrodes and electrode heating boilers on the whole, to increase the reliability of device both in static and dynamic modes ones. The invention meets an object of extended performance capabilities, versatility and flexibility of the device, potential diversification and enhancement of adaptability in solving particular problems. Moreover, the invention allows improvement of convection in water heating boilers and reduction of uniformity of sludge and rust deposition on electrodes thus increasing the heater effective performance time. The invention object comprises an improvement of protection against breakdowns between the electrodes as well, phase current load imbalance reduction, electrode protection against non-uniform deformation during operation in dynamic conditions. It is also an object of the invention to extend i the range of constructional capacity control without design and dimensional changes. FIG. 2 provides a schematic of electrodes (1) arrangement on the basis (3) located on the inner case (2) side with electrodes (1) slightly deviating from the longitudinal symmetric axis of the case (2) and irregularly spaced on the basis, electrode longitudinal axes deviating from each other at small angles. (4)—outer electrode terminals (1).