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CN-224218266-U - Magnetohydrodynamic power generation auxiliary device

CN224218266UCN 224218266 UCN224218266 UCN 224218266UCN-224218266-U

Abstract

The utility model discloses a magnetohydrodynamic power generation auxiliary device which comprises a power generation channel, wherein an inlet is formed in one end of the side face of the power generation channel, electrodes are arranged at the upper end and the lower end of the inner wall of the power generation channel, guide plates are arranged at the upper end and the lower end of the inner wall of the power generation channel, an auxiliary support is fixedly arranged on the inner side of the guide plates, and the protruding direction of the auxiliary support points to one side of the inlet. According to the utility model, the guide plate, the auxiliary support, the arc surface and the flat surface are arranged, when the air flow containing metal ions passes through the inside of the power generation channel in the strong magnetic field at a high speed, the air flow can firstly contact the arc surface above the guide plate, is guided to a deeper position in an inclined manner under the guidance of the arc surface, and uniformly flows to the center of the power generation channel after the upper air flow and the lower air flow are fused, so that the end part of the electrode is prevented from being directly impacted by the high-speed air flow, the local pressure of the electrode is reduced, the air flow uniformly flows through the middle part of the power generation channel in a large area, and the practicability of the electrode is improved.

Inventors

  • WU YANCHEN

Assignees

  • 武彦辰

Dates

Publication Date
20260508
Application Date
20250527

Claims (7)

  1. 1. The magnetohydrodynamic power generation auxiliary device comprises a power generation channel, wherein an inlet is formed in one end of the side face of the power generation channel, and electrodes are arranged at the upper end and the lower end of the inner wall of the power generation channel; The outside orbit of guide plate includes the arcwall face, the one end of arcwall face is connected with straight face, the tail end fixation of guide plate is provided with the spheroid, the whole radian of arcwall face is smooth gradually from the one end that is close to the entry to the other end, straight face is whole to be the slope form and distributes, and the inside direction towards the power generation passageway is the perk gradually, the surface of spheroid all is the arc, arcwall face, straight face and the horizontal height of spheroid are the setting of increasing gradually.
  2. 2. A magnetohydrodynamic generating auxiliary device as set forth in claim 1 wherein said generating channel is entirely of tapered narrowing channel design, said generating channel and electrode being entirely made of a refractory material.
  3. 3. A magnetohydrodynamic auxiliary device as claimed in claim 1 wherein the deflector is integrally made of a non-ferromagnetic elastic material and has smooth surfaces.
  4. 4. A magnetohydrodynamic generating auxiliary device as set forth in claim 1 wherein said arcuate and planar junctions are seamlessly joined and wherein one side locus of said spheroid is tangentially distributed to the top surface of the planar surface.
  5. 5. A magnetohydrodynamic auxiliary device according to claim 1, wherein the whole of the sphere is arranged obliquely downward, and the inner side of the sphere is connected with the inner side of the flat surface through a rounded transition.
  6. 6. The magnetohydrodynamic power generation auxiliary device of claim 1, wherein the whole material of the auxiliary support is elastic material, and the bottom end of the auxiliary support is fixedly connected with the inner wall of the power generation channel.
  7. 7. A magnetohydrodynamic generating auxiliary device according to claim 1, wherein the overall track length of the flat surface is longer than that of the arcuate surface, the deflector is located on one side of the electrode, and the horizontal height of the deflector is greater than that of the electrode.

Description

Magnetohydrodynamic power generation auxiliary device Technical Field The utility model relates to the technical field of magnetofluid large power generation auxiliary devices, in particular to a magnetofluid power generation auxiliary device. Background Magnetohydrodynamic electricity generation, which generates electric energy by the interaction of flowing conductive fluid and a magnetic field, is to directly heat fuel (petroleum, natural gas, fire coal, nuclear energy, etc.) into gas which is easy to ionize, so that the gas is ionized into conductive ion flow at a high temperature of 2000 ℃, then when the gas flows in the magnetic field at a high speed, magnetic force lines are cut, induced electromotive force is generated, namely, heat energy is directly converted into electric current, and the mechanical conversion link is not needed, so that the technology is called direct electricity generation, and the fuel utilization rate is obviously improved. When the existing magnetohydrodynamic power generation device works, the main problem is that when the gas flow containing metal ions passes through a power generation channel in a strong magnetic field at a high speed and reaches an electrode area, the high gas flow can directly impact the end part of an electrode, so that the local contact gas flow strength of the electrode surface is too strong, the electrode is corroded along with the high gas flow, the rapid corrosion of the electrode is a difficult problem faced by the existing magnetohydrodynamic power generator, the replacement and maintenance are required to be carried out frequently at an irregular period after the corrosion, the magnetohydrodynamic power generator cannot still run for a long time, and the cost for replacing and maintaining the electrode frequently is high. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a magnetohydrodynamic power generation auxiliary device, which solves the main problems that when the existing magnetohydrodynamic power generation device works, when the airflow containing metal ions passes through a power generation channel in a strong magnetic field at high speed, the high airflow can directly impact the end part of an electrode when reaching an electrode area, so that the local contact airflow strength of the electrode surface is too strong, the electrode is corroded at too high speed, the whole electrode can be corroded rapidly, and the subsequent maintenance electrode cost is high. (II) technical scheme In order to achieve the purpose, the utility model provides the technical scheme that the magnetic fluid power generation auxiliary device comprises a power generation channel, wherein one end of the side surface of the power generation channel is provided with an inlet, the upper end and the lower end of the inner wall of the power generation channel are respectively provided with an electrode, the upper end and the lower end of the inner wall of the power generation channel are respectively provided with a guide plate, the inner side of each guide plate is fixedly provided with an auxiliary bracket, the protruding direction of each auxiliary bracket points to one side of the inlet, and the top end of each auxiliary bracket is fixed at the joint position of an arc-shaped surface and a flat surface; The outside orbit of guide plate includes the arcwall face, the one end of arcwall face is connected with straight face, the tail end fixation of guide plate is provided with the spheroid, the whole radian of arcwall face is smooth gradually from the one end that is close to the entry to the other end, straight face is whole to be the slope form and distributes, and the inside direction towards the power generation passageway is the perk gradually, the surface of spheroid all is the arc, arcwall face, straight face and the horizontal height of spheroid are the setting of increasing gradually. Preferably, the whole interior of the power generation channel is designed as a conical narrowing channel, and the whole power generation channel and the whole electrode are made of high-temperature resistant materials. Preferably, the whole guide plate is made of elastic materials with nonferromagnetic substances, and the surfaces of the guide plate are smooth. Preferably, the connection part of the arc-shaped surface and the flat surface is in seamless connection, and the track on one side of the spheroid is distributed tangentially to the top surface of the flat surface. Preferably, the whole spheroid towards obliquely below setting, pass through the fillet transition and link to each other between the inboard of spheroid and the inboard of straight face. Preferably, the whole material of auxiliary stand is elastic material, and the bottom of auxiliary stand and the inner wall department fixed connection of power generation passageway. Preferably, the overall track length of the flat surfac