CN111068635B - Photoelectric synergistic activated carbon regeneration device - Google Patents
Photoelectric synergistic activated carbon regeneration device Download PDFInfo
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- CN111068635B CN111068635B CN202010053260.0A CN202010053260A CN111068635B CN 111068635 B CN111068635 B CN 111068635B CN 202010053260 A CN202010053260 A CN 202010053260A CN 111068635 B CN111068635 B CN 111068635B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000011069 regeneration method Methods 0.000 title claims abstract description 39
- 230000008929 regeneration Effects 0.000 title claims abstract description 32
- 230000002195 synergetic effect Effects 0.000 title claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 21
- 230000001699 photocatalysis Effects 0.000 claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 32
- 238000005273 aeration Methods 0.000 claims description 26
- 238000007599 discharging Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- CJTCBBYSPFAVFL-UHFFFAOYSA-N iridium ruthenium Chemical compound [Ru].[Ir] CJTCBBYSPFAVFL-UHFFFAOYSA-N 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 2
- 230000005693 optoelectronics Effects 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 abstract description 7
- 238000007146 photocatalysis Methods 0.000 abstract description 6
- 239000008187 granular material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 238000006056 electrooxidation reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000013032 photocatalytic reaction Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3441—Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a photoelectric cooperative regeneration active carbon device, which comprises: the shell, space in the shell is the reaction chamber, for containing the suspension of saturated active carbon granule in the reaction chamber, the casing upper end is provided with the feed inlet, be provided with positive pole and negative pole in the reaction chamber, positive pole and negative pole all with shells inner wall passes through the bracing piece to be connected, be provided with the photocatalysis board on the shells inner wall, be close to in the shell photocatalysis board department is provided with the ultraviolet lamp. The invention aims to provide a photoelectric synergistic active carbon regeneration device with high regeneration efficiency.
Description
Technical Field
The invention belongs to the technical field of adsorption saturated activated carbon regeneration, and particularly relates to a photoelectric synergistic activated carbon regeneration device.
Background
Activated carbon, which is an excellent adsorbent, has a developed pore structure, a large specific surface area, and excellent adsorption performance, is widely used in the fields of treating urban drinking water and industrial wastewater, and treating waste gas containing VOCs. However, the secondary pollution to the environment is caused if the used activated carbon is not recycled, so that the regeneration of the saturated activated carbon has extremely important engineering application value and economic value from the aspects of economy and environmental protection.
The regeneration method of the activated carbon mainly comprises a thermal regeneration method, a chemical regeneration method and a wet oxidation regeneration method, and the thermal regeneration efficiency is high, but the carbon loss is large, generally 5% -10%, and the solvent regeneration method is generally suitable for reversible adsorption, such as adsorption of high-concentration and low-boiling-point organic matter wastewater, and has strong pertinence, micropores are easy to block and the recovery rate of adsorption performance is influenced. The wet regeneration oxidation method has a large number of regeneration auxiliary facilities and is troublesome to operate. The electrochemical regeneration method is convenient to operate, high in efficiency, low in energy consumption and less in limitation on the treatment object. Although the current electrochemical method has higher efficiency, the amount of the active carbon regenerated at one time is small, and several regeneration technologies are needed to promote each other so as to further improve the regeneration efficiency.
For example, CN102652916 adopts a method of combining electrochemical ozone to improve the regeneration efficiency of adsorption saturated activated carbon, but the concentration of ozone used in the method needs to be as high as several thousands of ppm or even tens of thousands of ppm to obtain ideal regeneration efficiency, however, the use of high concentration ozone needs an ozone treatment device to avoid secondary pollution, and the oxygen-containing functional groups on the surface of the activated carbon are damaged by high concentration ozone to change the surface structure of the activated carbon, so that the regeneration efficiency of the activated carbon is low.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem of low regeneration efficiency of the active carbon in the prior art.
Therefore, the technical scheme adopted by the invention is that the photoelectric cooperative regeneration active carbon device comprises:
the shell, space in the shell is the reaction chamber, for containing the suspension of saturated active carbon granule in the reaction chamber, the casing upper end is provided with the feed inlet, be provided with positive pole and negative pole in the reaction chamber, positive pole and negative pole all with shells inner wall passes through the bracing piece to be connected, be provided with the photocatalysis board on the shells inner wall, be close to in the shell photocatalysis board department is provided with the ultraviolet lamp.
Preferably, the lithium ion battery further comprises a direct current power supply, wherein the positive electrode of the direct current power supply is electrically connected with the anode, and the negative electrode of the direct current power supply is electrically connected with the cathode.
Preferably, the anode is titanium-based ruthenium iridium, and the cathode is a stainless steel plate.
Preferably, the bottom end of the shell is provided with an aeration tank, the bottom of the aeration tank is provided with an air pump, the air outlet end of the air pump is communicated with one end of an air pipe, the other end of the air pipe extends into the shell and is communicated with an exhaust pipe in the horizontal direction, and a plurality of exhaust holes are formed in the outer wall of the exhaust pipe.
Preferably, a discharging pipe is arranged at the bottom end of the aeration tank, one end of the discharging pipe is communicated with the bottom end of the shell, the other end of the discharging pipe penetrates through the aeration tank to extend to the lower part of the aeration tank, and a valve is arranged on the discharging pipe.
Preferably, a stirring device is provided on the housing, and the stirring device includes: the groove body is arranged at the position, close to the bottom, of the outer wall of the shell, a motor is arranged on the inner wall of the groove body, one end of an output shaft of the motor is connected with one end of a first rotating shaft, the other end of the first rotating shaft penetrates through the wall surface of the shell to extend into the shell and is connected with a rotating drum, a plurality of stirring blades are arranged on the outer wall of the rotating drum along the circumferential direction, and the first rotating shaft is installed on the wall surface of the shell through a bearing.
Preferably, the stirring device further comprises:
the first fixed shaft is circumferentially arranged on the outer wall of one end, close to the output shaft, of the first rotating shaft, a first guide hole is formed in one end, far away from the first rotating shaft, of the first fixed shaft, a first moving rod is arranged in the first guide hole, a first spring is arranged in the first guide hole, one end of the first spring is fixedly connected with the bottom wall of the first guide hole, the other end of the first spring is connected with one end of the first moving rod, the other end of the first moving rod extends out of the first guide hole and is fixedly connected with the push plate, and the first moving rod is perpendicular to the push plate;
ball valve, set up on the trachea, the ball valve is in the aeration tank, be provided with the through-hole on the aeration tank lateral wall, the valve rod one end and the second pivot one end of ball valve are connected, the second pivot other end passes the through-hole extends to in the recess, the second pivot is kept away from on the one end outer wall of valve rod along circumference be provided with a plurality of second fixed axles, the second fixed axle is kept away from the one end of second pivot is provided with the second guiding hole, be provided with the second movable rod in the second guiding hole, be provided with the second spring in the second guiding hole, second spring one end with second guiding hole diapire fixed connection, the second spring other end with second movable rod one end is connected, the second movable rod other end extends outside the second guiding hole, the second movable rod is in the below of first movable rod.
Preferably, the top of stirring leaf is provided with the movable plate of horizontal direction, be provided with the round hole in the middle of the movable plate, both ends are provided with the shaft hole respectively about the movable plate, be provided with the dead lever of vertical direction in the shaft hole, the lower extreme of dead lever is provided with the stopper, the upper end of dead lever is connected with connecting rod one end of horizontal direction, the connecting rod other end with shells inner wall is connected, the cover is equipped with tubular spring on the dead lever, tubular spring one end with the stopper is connected, the tubular spring other end with the movable plate is connected, first pivot is close to rotary drum department is provided with the cam, the cam top with the movable plate bottom contacts, the movable plate can be followed reciprocating motion about the dead lever.
Preferably, four supporting legs are symmetrically arranged at the bottom end of the aeration tank.
Preferably, universal wheels are arranged at the bottom ends of the supporting legs.
The technical scheme of the invention has the following advantages: the invention relates to a photoelectric cooperative regeneration active carbon device, which comprises: the shell, space in the shell is the reaction chamber, for containing the suspension of saturated active carbon granule in the reaction chamber, the casing upper end is provided with the feed inlet, be provided with positive pole and negative pole in the reaction chamber, positive pole and negative pole all with shells inner wall passes through the bracing piece to be connected, be provided with the photocatalysis board on the shells inner wall, be close to in the shell photocatalysis board department is provided with the ultraviolet lamp. The saturated activated carbon regeneration device solves the problem of long efficiency when the activated carbon is regenerated by a single electrochemical technology, and the adoption of the immobilized TiO2 technology can greatly improve the regeneration efficiency of the saturated activated carbon.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of an aeration tank in the present invention.
FIG. 3 is a schematic structural view of a stirring device in the present invention.
Fig. 4 is a schematic view of a telescopic structure according to the present invention.
Fig. 5 is a side view of the telescoping structure of the present invention.
Fig. 6 is a schematic view of a reciprocating structure of a moving plate in the present invention.
Fig. 7 is a schematic structural view of a moving plate in the present invention.
Fig. 8 is a schematic view of the cam structure in the present invention.
The figures are marked as follows: 1-shell, 2-photocatalytic plate, 3-ultraviolet lamp, 4-suspension containing saturated activated carbon particles, 5-anode, 6-cathode, 7-direct current power supply, 8-feed inlet, 9-aeration tank, 10-air pump, 11-air pipe, 12-exhaust pipe, 13-discharge pipe, 14-groove body, 15-motor, 16-output shaft, 17-first rotating shaft, 18-stirring blade, 19-bearing, 20-first fixed shaft, 21-first guide hole, 22-first moving rod, 23-first spring, 24-push plate, 25-ball valve, 26-through hole, 27-valve rod, 29-second fixed shaft, 30-second guide hole, 31-second moving rod, 32-second spring, 33-rotating drum, 34-moving plate, 35-fixed rod, 36-stopper, 37-connecting rod, 38-tubular spring, 39-cam, 40-supporting leg, 41-universal wheel, 42-shaft hole.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The embodiment of the invention provides a photoelectric cooperative regeneration active carbon device, as shown in fig. 1, comprising:
the shell 1, space in the shell 1 is the reaction chamber, for containing the suspension 4 of saturated active carbon granule in the reaction chamber, the shell 1 upper end is provided with feed inlet 8, be provided with positive pole 5 and negative pole 6 in the reaction chamber, positive pole 5 and negative pole 6 all with the shell 1 inner wall passes through the bracing piece to be connected, be provided with photocatalytic plate 2 on the shell 1 inner wall, be close to in the shell 1 photocatalytic plate 2 department is provided with ultraviolet lamp 3.
The technical scheme has the working principle and beneficial technical effects that: adding active carbon particles and electrolyte into a feed inlet 8, wherein the electrolyte is 50mM sodium sulfate solution, an ultraviolet lamp 3 adopts a 158nm ultraviolet lamp, in a reaction chamber, the ultraviolet lamp 3 irradiates a photocatalytic plate 2 to perform photocatalytic reaction, an anode 5, a cathode 6 and a suspension 4 containing saturated active carbon particles form a three-dimensional electrode to perform electrochemical oxidation, under the irradiation of the ultraviolet lamp, the photocatalytic plate 2 performs photocatalytic reaction to generate hydroxyl free radicals, and the hydroxyl free radicals contact with the suspension 4 containing saturated active carbon particles to regenerate active carbon; simultaneously, the anode 5, the cathode 6 and the suspension 4 containing saturated active carbon particles form a three-dimensional electrode at the same time, and electrochemical oxidation is carried out to further regenerate the active carbon; can be reacted in a square reaction chamber of 1m, the regeneration time is 1h, and the current is 500mA. The saturated activated carbon regeneration device solves the problem of long efficiency when the activated carbon is regenerated by a single electrochemical technology, and the immobilized TiO2 technology can greatly improve the regeneration efficiency of the saturated activated carbon, so that the defect brought by adopting a high-concentration ozone synergistic technology for solving the problem is avoided; improvements to the photocatalytic system can be adapted for regeneration of powdered and granular activated carbon without the aggregation and coverage problems of the TiO2 photocatalytic intermediate. The active carbon regeneration system can efficiently regenerate active carbon and is suitable for industrial application.
In one embodiment, the battery further comprises a dc power supply 7, wherein a positive electrode of the dc power supply 7 is electrically connected to the anode 5, and a negative electrode of the dc power supply 7 is electrically connected to the cathode 6.
The technical scheme has the working principle and beneficial technical effects that: the dc power supply 7 is used to supply power to the electrodes.
In one embodiment, the anode 5 is titanium-based ruthenium iridium and the cathode 6 is a stainless steel plate.
In one embodiment, as shown in fig. 2, the bottom end of the housing 1 is provided with an aeration tank 9, the bottom of the aeration tank 9 is provided with an air pump 10, the air outlet end of the air pump 10 is communicated with one end of an air pipe 11, the other end of the air pipe 11 extends into the housing 1 and is communicated with an air exhaust pipe 12 in the horizontal direction, and the outer wall of the air exhaust pipe 12 is provided with a plurality of air exhaust holes.
The technical scheme has the working principle and beneficial technical effects that: the air pump 10 sucks the external air into the exhaust pipe 12 through the air pipe 11, and then discharges the air into the activated carbon particles and the electrolyte in the shell 1 through the exhaust hole, thereby playing a role of mixing and stirring.
In one embodiment, a discharging pipe 13 is arranged at the bottom end of the aeration tank 9, one end of the discharging pipe 13 is communicated with the bottom end of the shell 1, the other end of the discharging pipe 13 penetrates through the aeration tank 9 to extend below the aeration tank 9, and a valve is arranged on the discharging pipe 13.
The technical scheme has the working principle and beneficial technical effects that: after the reaction in the shell 1 is completed, the valve is opened, and the reacted activated carbon and electrolyte are discharged through the discharge pipe 13.
In one embodiment, as shown in fig. 3, the casing 1 is provided with a stirring device, and the stirring device includes: the recess body 14 sets up the casing 1 outer wall is close to the bottom department, be provided with motor 15 on the recess body 14 inner wall, the output shaft 16 one end and the first pivot 17 one end of motor 15 are connected, the first pivot 17 other end passes casing 1 wall extends to in the casing 1 to be connected with rotary drum 33, the outer wall of rotary drum 33 is provided with a plurality of stirring leaf 18 along circumference, first pivot 17 passes through bearing 19 and installs on the wall of casing 1.
The technical scheme has the working principle and beneficial technical effects that: when the solid-liquid mixture in the reaction chamber needs to be stirred to accelerate the reaction, the motor 15 is started, the output shaft 16 drives the first rotating shaft 17, the rotating drum 33 and the stirring blades 18 to rotate at a high speed, the solid-liquid mixture in the shell 1 is stirred, the fluidity of the solid-liquid mixture is increased, the speed of the electrochemical oxidation reaction is accelerated, and the regeneration efficiency of the activated carbon is improved.
In one embodiment, as shown in fig. 4-5, the stirring device further comprises:
the first fixing shaft 20, a plurality of first fixing shafts 20 are circumferentially arranged on the outer wall of one end of the first rotating shaft 17, which is close to the output shaft 16, a first guide hole 21 is formed in one end, which is far away from the first rotating shaft 17, of the first fixing shaft 20, a first moving rod 22 is arranged in the first guide hole 21, a first spring 23 is arranged in the first guide hole 21, one end of the first spring 23 is fixedly connected with the bottom wall of the first guide hole 21, the other end of the first spring 23 is connected with one end of the first moving rod 22, the other end of the first moving rod 22 extends out of the first guide hole 21 and is fixedly connected with a push plate 24, and the first moving rod 22 is perpendicular to the push plate 24;
ball valve 25 is arranged on air pipe 11, ball valve 25 is in aeration tank 9, be provided with through-hole 26 on the aeration tank 9 lateral wall, the valve rod 27 one end of ball valve 25 is connected with second pivot 28 one end, the second pivot 28 other end passes the through-hole 26 extends to in the recess body 14, the second pivot 28 is kept away from on the one end outer wall of valve rod 27 along circumference be provided with a plurality of second fixed axles 29, the second fixed axle 29 is kept away from the one end of second pivot 28 is provided with second guiding hole 30, be provided with second movable rod 31 in the second guiding hole 30, be provided with second spring 32 in the second guiding hole 30, second spring 32 one end with second guiding hole 30 diapire fixed connection, the second spring 32 other end with second movable rod 31 one end is connected, the second movable rod 31 other end extends outside the second guiding hole 30, second movable rod 31 is in the below of first movable rod 22.
The technical scheme has the working principle and beneficial technical effects that: when the electrochemical oxidation reaction rate needs to be improved, the rotation speed of the motor 15 is increased, the output shaft 16 drives the first rotating shaft 17, the rotating drum 33 and the stirring vane 18 to rotate at a high speed, the stirring efficiency of the stirring vane is improved, meanwhile, the first rotating shaft 17 drives the first fixed shaft 20, the first movable rod 22 and the pushing plate 24 to rotate at a high speed, under the centrifugal effect, the first movable rod 22 stretches the first spring 23 to move outwards along the first guide hole 21, when the centrifugal force is large enough, the rotation radius of the pushing plate 24 is also large enough, in the rotating process, the second movable rod 31 is impacted, the second movable rod 31, the second fixed shaft 29 and the second rotating shaft 28 are driven to rotate, the valve rod 27 on the ball valve 25 is driven by the second rotating shaft 28 to rotate, and intermittent switching or closing of the air pipe 11 is realized, so that the stirring vane 18 also rotates at a high speed while intermittent bubbles can be discharged out of the exhaust pipe 12, turbulence is generated in the solid-liquid mixture, flow and stirring are accelerated, air in the exhaust pipe 12 can also provide sufficient oxygen, the electrochemical oxidation reaction is ensured to be sufficient, and the reaction efficiency of the reaction and the regeneration of activated carbon is improved. After the solid-liquid mixture is stirred uniformly, the rotating speed of the motor 15 is reduced, after the centrifugal force is reduced, the first moving rod 22 is retracted into the first guide hole 21, the rotating radius of the push plate 24 is reduced, the push plate 24 can not collide with the second moving rod 31, the second fixing shaft 29 and the second rotating shaft 28 can not rotate, at the moment, the stirring requirement can be met only by virtue of the stirring efficiency of the stirring blade 18, the power output is reduced, and the cost is saved. In addition, the second moving rod 31 can also reciprocate in the second guide hole 30, so as to play a role in extension and contraction, reduce the radial collision of the push plate 24 on the second moving rod 31, prevent from being damaged, and after the second moving rod 31 rotates at a high speed, the second moving rod 31 moves outwards under the action of centrifugal force, the rotation radius becomes larger, and the transmission stability between the second moving rod 31 and the push plate 24 becomes higher.
In one embodiment, as shown in fig. 6-8, a moving plate 34 in a horizontal direction is disposed above the stirring blade 18, a round hole is disposed in the middle of the moving plate 34, the round hole is used for passing through an electrode, two ends of the moving plate 34 are respectively provided with a shaft hole 42, a fixing rod 35 in a vertical direction is disposed in the shaft hole 42, a limiting block 36 is disposed at the lower end of the fixing rod 35, the upper end of the fixing rod 35 is connected with one end of a connecting rod 37 in a horizontal direction, the other end of the connecting rod 37 is connected with the inner wall of the casing 1, a tubular spring 38 is sleeved on the fixing rod 35, one end of the tubular spring 38 is connected with the limiting block 36, the other end of the tubular spring 38 is connected with the moving plate 34, a cam 39 is disposed at a position, which is close to the rotating drum 33, the top end of the cam 39 is contacted with the bottom end of the moving plate 34, and the moving plate 34 can reciprocate up and down along the fixing rod 35.
The technical scheme has the working principle and beneficial technical effects that: when the stirring blade 18 rotates at a high speed, the first rotating shaft 17 rotates to drive the cam 39 to rotate, the moving plate 34 is tightly attached to the top end of the cam 39 under the action of the tension of the tubular spring 38, the moving plate 34 reciprocates up and down along the fixed rod 35 along with the rotation of the cam 39, the solid-liquid mixture in the shell 1 is stirred by the up-down movement of the moving plate 34, and the stirring blade 18 rotates at a high speed while the moving plate 34 above the stirring blade 18 moves up and down to stir simultaneously, so that the stirring efficiency of the solid-liquid mixture is greatly improved and the electrochemical oxidation reaction rate is improved.
In one example, four supporting legs 40 are symmetrically arranged at the bottom end of the aeration tank 9, and universal wheels 41 are arranged at the bottom ends of the supporting legs 40.
The technical scheme has the working principle and beneficial technical effects that: the device is convenient to move and carry through the universal wheels 41 at the bottom ends of the supporting legs 40.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. An optoelectronic co-regeneration activated carbon device, comprising:
the device comprises a shell (1), wherein a space in the shell (1) is a reaction chamber, a suspension (4) containing saturated activated carbon particles is arranged in the reaction chamber, a feed inlet (8) is formed in the upper end of the shell (1), an anode (5) and a cathode (6) are arranged in the reaction chamber, the anode (5) and the cathode (6) are both connected with the inner wall of the shell (1) through support rods, a photocatalytic plate (2) is arranged on the inner wall of the shell (1), and an ultraviolet lamp (3) is arranged in the shell (1) close to the photocatalytic plate (2);
the air pump is characterized in that an aeration box (9) is arranged at the bottom end of the shell (1), an air pump (10) is arranged at the bottom of the aeration box (9), the air outlet end of the air pump (10) is communicated with one end of an air pipe (11), the other end of the air pipe (11) extends into the shell (1) and is communicated with an exhaust pipe (12) in the horizontal direction, and a plurality of exhaust holes are formed in the outer wall of the exhaust pipe (12);
the shell (1) is provided with a stirring device, and the stirring device comprises: the groove body (14) is arranged at the position, close to the bottom, of the outer wall of the shell (1), a motor (15) is arranged on the inner wall of the groove body (14), one end of an output shaft (16) of the motor (15) is connected with one end of a first rotating shaft (17), the other end of the first rotating shaft (17) penetrates through the wall surface of the shell (1) to extend into the shell (1) and is connected with a rotating drum (33), a plurality of stirring blades (18) are arranged on the outer wall of the rotating drum (33) along the circumferential direction, and the first rotating shaft (17) is installed on the wall surface of the shell (1) through a bearing (19);
the stirring device further includes:
the device comprises a first fixed shaft (20), wherein a plurality of first fixed shafts (20) are circumferentially arranged on the outer wall of one end of a first rotating shaft (17) close to an output shaft (16), a first guide hole (21) is formed in one end, far away from the first rotating shaft (17), of the first fixed shaft (20), a first movable rod (22) is arranged in the first guide hole (21), a first spring (23) is arranged in the first guide hole (21), one end of the first spring (23) is fixedly connected with the bottom wall of the first guide hole (21), the other end of the first spring (23) is connected with one end of a first movable rod (22), the other end of the first movable rod (22) extends out of the first guide hole (21) and is fixedly connected with a push plate (24), and the first movable rod (22) is perpendicular to the push plate (24);
ball valve (25) are arranged on trachea (11), ball valve (25) are in aeration tank (9), be provided with through-hole (26) on aeration tank (9) lateral wall, valve rod (27) one end and second pivot (28) one end of ball valve (25) are connected, the second pivot (28) other end passes through-hole (26) extend to in recess body (14), second pivot (28) are kept away from on the one end outer wall of valve rod (27) along circumference be provided with a plurality of second fixed axle (29), one end that second fixed axle (29) were kept away from second pivot (28) is provided with second guiding hole (30), be provided with second movable rod (31) in second guiding hole (30), be provided with second spring (32) in second guiding hole (30), second spring (32) one end with second guiding hole (30) diapire fixed connection, second spring (32) other end with second movable rod (31) are gone up along circumference, second movable rod (31) other end (31) are in outside second movable rod (31).
2. The photoelectric synergistic activated carbon device according to claim 1, further comprising a direct current power supply (7), wherein the positive electrode of the direct current power supply (7) is electrically connected with the anode (5), and the negative electrode of the direct current power supply (7) is electrically connected with the cathode (6).
3. The photoelectric synergistic activated carbon device according to claim 1, wherein the anode (5) is titanium-based ruthenium iridium and the cathode (6) is a stainless steel plate.
4. The photoelectric cooperative regeneration activated carbon device according to claim 1, wherein a discharging pipe (13) is arranged at the bottom end of the aeration tank (9), one end of the discharging pipe (13) is communicated with the bottom end of the shell (1), the other end of the discharging pipe (13) penetrates through the aeration tank (9) to extend to the lower part of the aeration tank (9), and a valve is arranged on the discharging pipe (13).
5. The photoelectric collaborative regeneration active carbon device according to claim 1, characterized in that a moving plate (34) in the horizontal direction is arranged above the stirring blade (18), a round hole is arranged in the middle of the moving plate (34), shaft holes (42) are respectively arranged at the left end and the right end of the moving plate (34), a fixing rod (35) in the vertical direction is arranged in the shaft holes (42), a limiting block (36) is arranged at the lower end of the fixing rod (35), the upper end of the fixing rod (35) is connected with one end of a connecting rod (37) in the horizontal direction, the other end of the connecting rod (37) is connected with the inner wall of the shell (1), a tubular spring (38) is sleeved on the fixing rod (35), one end of the tubular spring (38) is connected with the limiting block (36), the other end of the tubular spring (38) is connected with the moving plate (34), a cam (39) is arranged at the position, close to the first rotating shaft (17), and the top end of the cam (39) is connected with one end of the connecting rod (37) in the horizontal direction, and the upper end of the moving plate (34) can reciprocate along the reciprocating motion of the moving plate (35).
6. The photoelectric synergistic activated carbon regeneration device according to claim 1, wherein four supporting legs (40) are symmetrically arranged at the bottom end of the aeration tank (9).
7. A photoelectric synergistic activated carbon device as claimed in claim 6, characterised in that the bottom ends of the support legs (40) are provided with universal wheels (41).
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