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CN-116832739-B - Plasma apparatus for treating liquids and method of using same

CN116832739BCN 116832739 BCN116832739 BCN 116832739BCN-116832739-B

Abstract

The invention discloses a plasma device for treating liquid and a use method thereof, which relate to the technical field of ion body treatment equipment, the plasma device for treating the liquid comprises a reactor, a micro-bubble generating unit and a gas compressing assembly, wherein the reactor is provided with a reaction cavity for flowing the liquid; the air compressing assembly comprises an air compressing disc and a driving mechanism which is in driving connection with the air compressing disc, the air compressing disc is movably arranged in the reaction cavity, and the driving mechanism is used for driving the air compressing disc to move along the height direction of the reactor so as to control the flow speed of the air bubbles. The invention can control the upward moving speed of the bubbles, so that the bubbles are uniformly distributed in the liquid, and the subsequent treatment effect on the liquid plasma discharge treatment is ensured.

Inventors

  • YUE WEIPING
  • LIN WEIQUN
  • LIU TAO

Assignees

  • 深圳市恒运昌真空技术有限公司

Dates

Publication Date
20260505
Application Date
20230801

Claims (10)

  1. 1. A plasma apparatus for treating a liquid, comprising: The reactor is provided with a reaction cavity for liquid to flow; The micro-bubble generation unit is arranged below the reactor and communicated with the reaction cavity, and is used for providing bubbles into the reaction cavity, and The air compressing assembly comprises an air compressing disc and a driving mechanism which is in driving connection with the air compressing disc, the air compressing disc is movably arranged in the reaction cavity, and the driving mechanism is used for driving the air compressing disc to move along the height direction of the reactor so as to control the flow speed of bubbles; And the plasma generation unit comprises a positive electrode column and a negative electrode column which are arranged in the reaction cavity at intervals.
  2. 2. The plasma apparatus according to claim 1, wherein the reactor comprises an upper sealing plate, a lower sealing plate and a glass tube cover, wherein the upper end of the glass tube cover is connected with the upper sealing plate, the lower end of the glass tube cover is connected with the lower sealing plate, the upper sealing plate, the lower sealing plate and the glass tube cover are jointly enclosed to form the reaction chamber, a liquid inlet tube communicated with the reaction chamber is arranged at one end of the glass tube cover, which is close to the upper sealing plate, and a liquid discharge tube communicated with the reaction chamber is arranged at one end of the glass tube cover, which is close to the lower sealing plate.
  3. 3. A liquid handling plasma device according to claim 2, wherein one of the positive electrode column and the negative electrode column is connected to the upper seal plate and the other is connected to the lower seal plate.
  4. 4. A liquid treatment plasma apparatus according to claim 3, wherein said liquid treatment plasma apparatus includes a plurality of said plasma generating units, a plurality of said plasma generating units being disposed at intervals, and said positive electrode post of one of said plasma generating units being disposed adjacent to said negative electrode post of the other of said plasma generating units in adjacent two of said plasma generating units.
  5. 5. A liquid-treating plasma apparatus according to claim 3, wherein the positive electrode column and the negative electrode column are each provided extending in the up-down direction of the reactor; The air compressing disc is provided with a plurality of sliding holes, and each sliding hole correspondingly penetrates through one positive electrode column or one negative electrode column.
  6. 6. The plasma apparatus for treating liquid according to claim 2, wherein an upper annular groove and a lower annular groove are formed in a side wall of the upper sealing plate adjacent to the glass tube cover and a side wall of the lower sealing plate adjacent to the glass tube cover, respectively, and an upper end and a lower end of the glass tube cover are inserted into the upper annular groove and the lower annular groove, respectively, through sealing rings, and/or The reactor further comprises a fastening bolt, the screw rod of the fastening bolt penetrates through the upper sealing plate and the lower sealing plate, and the two nuts of the fastening bolt penetrate through the screw rod and are respectively abutted and locked on one side, deviating from each other, of the upper sealing plate and the lower sealing plate.
  7. 7. The plasma apparatus for treating a liquid according to any one of claims 1 to 6, wherein the driving mechanism comprises a driving motor, a screw rod and a screw rod nut, the screw rod is rotatably arranged through the reactor and extends into the reaction chamber, the screw rod nut is movably sleeved on a section of the screw rod extending into the reaction chamber, and the driving motor is in driving connection with one end of the screw rod far away from the reaction chamber; The air compressing disc is sleeved on the outer side of the screw nut.
  8. 8. The plasma apparatus for treating a liquid according to any one of claims 1 to 6, wherein a plurality of air-blowing holes communicating with the reaction chamber are provided at a bottom of the reactor, the plurality of air-blowing holes being provided at intervals, and the microbubble generating unit comprises: the top of the electrolysis box is provided with an air outlet; The air guide cover is connected with the electrolysis box, an air guide channel is formed in the air guide cover, and the air inlet end of the air guide channel is communicated with the air outlet; the porous release plate is arranged between the reactor and the air guide cover, is provided with a plurality of release pore canals arranged at intervals, the air inlet end of each release pore canal is communicated with the air outlet end of the air guide channel, the air outlet end of each release pore canal is correspondingly communicated with each air blowing pore canal respectively, and The check valves are correspondingly arranged in the release pore passages.
  9. 9. The plasma apparatus for treating a liquid according to any one of claims 1 to 6, wherein a plurality of gas outlet channels communicating with the reaction chamber are provided at the top of the reactor, the plurality of gas outlet channels being arranged at intervals; the plasma device for treating the liquid further comprises a safety air valve and an exhaust cover connected with the reactor, wherein an exhaust channel is formed on the exhaust cover, the air inlet end of the exhaust channel is communicated with a plurality of air outlet pore channels, the safety air valve is arranged at the air outlet end of the exhaust channel, and the safety air valve is used for opening or closing the exhaust channel.
  10. 10. A method of using a plasma device for treating a liquid according to any one of claims 1 to 9, wherein the method of using comprises the steps of: introducing liquid into the reactor, and stopping introducing the liquid when the liquid is filled to a predetermined position; Adjusting the initial position of a gas-compressing disc of the gas-compressing assembly to be close to the bottom of the reactor; Starting a microbubble generating unit to generate bubbles, wherein the bubbles enter the reactor; the driving mechanism is controlled to drive the air compressing disc to move along the height direction of the reactor until the air compressing disc is close to the top of the reactor, and the micro-bubble generating unit is closed to stop generating bubbles; After the discharge treatment is completed for a period of time, the liquid is discharged from the reactor.

Description

Plasma apparatus for treating liquids and method of using same Technical Field The invention relates to the technical field of ion body treatment equipment, in particular to a plasma device for treating liquid and a use method thereof. Background Plasma treatment technology is one of the most effective treatments for cleaning, activating and coating surfaces, and can be used for treating various materials including plastics, metals or glass, etc. by performing physicochemical modification on the surfaces to improve the surface adhesion. Therefore, there are many apparatuses for treating solid surfaces using plasma technology, but the penetration of liquids is limited, thus limiting the wide application of this technology in treating large and flowing liquids. In the prior art, a plasma device for liquid treatment generally adopts a bubbling treatment mode, in the bubbling treatment, liquid is fused into liquid by utilizing a high-pressure environment, then the liquid enters a low-pressure device through a steering assembly, gas is separated out from the liquid in a bubble state, a plasma region is formed in a reactor by bubbles under the action of an electric field, high-energy and high-temperature plasmas are formed in the plasma region, and the bubbles flow in the liquid to enable the liquid to fully contact and mix with the plasmas, so that a series of reactions such as oxidization, cracking, desorption, decomposition and the like of organic matters and pollutants are carried out, and the aim of degrading and removing the pollutants in the organic matters is fulfilled. However, in the above-described device having the conventional structure, the rising speed of the micro bubbles in the liquid is not uniform and too high, so that the bubbles and the liquid cannot be sufficiently mixed in contact with each other, and the bubbles in the liquid are unevenly distributed, which affects the subsequent treatment effect of the liquid plasma discharge treatment. Disclosure of Invention The invention mainly aims to provide a plasma device for treating liquid and a use method thereof, which can control the upward moving speed of bubbles, so that the bubbles are uniformly distributed in the liquid, and the subsequent treatment effect on liquid plasma discharge treatment is ensured. To achieve the above object, the present invention provides a plasma apparatus for treating a liquid, comprising: The reactor is provided with a reaction cavity for liquid to flow; The micro-bubble generation unit is arranged below the reactor and communicated with the reaction cavity, and is used for providing bubbles into the reaction cavity, and The air compressing assembly comprises an air compressing disc and a driving mechanism which is in driving connection with the air compressing disc, the air compressing disc is movably arranged in the reaction cavity, and the driving mechanism is used for driving the air compressing disc to move along the height direction of the reactor so as to control the flow speed of bubbles. Optionally, the reactor includes upper shrouding, lower shrouding and glass tube cover, the upper end of glass tube cover is connected the upper shrouding, the lower extreme of glass tube cover is connected the lower shrouding, the upper shrouding down the shrouding with the glass tube cover encloses jointly and establishes the formation the reaction chamber, the glass tube cover is close to the one end of upper shrouding is equipped with the intercommunication the feed liquor pipe of reaction chamber, the glass tube cover is close to the one end of lower shrouding is equipped with the intercommunication the fluid-discharge tube of reaction chamber. Optionally, the plasma device for treating liquid further comprises a plasma generating unit, wherein the plasma generating unit comprises a positive electrode column and a negative electrode column which are arranged in the reaction cavity at intervals, one of the positive electrode column and the negative electrode column is connected with the upper sealing plate, and the other of the positive electrode column and the negative electrode column is connected with the lower sealing plate. Optionally, the plasma device for treating the liquid includes a plurality of the plasma generating units, the plurality of the plasma generating units are arranged at intervals, and the positive electrode column of one of the plasma generating units is arranged adjacent to the negative electrode column of the other plasma generating unit in two adjacent plasma generating units. Alternatively, the positive electrode column and the negative electrode column are each provided extending in the up-down direction of the reactor; The air compressing disc is provided with a plurality of sliding holes, and each sliding hole correspondingly penetrates through one positive electrode column or one negative electrode column. Optionally, an upper annular groove and a lower annular groove are respectively