CN116874065A - Ozone oxidation treatment device and treatment process for high-concentration chemical wastewater - Google Patents
Ozone oxidation treatment device and treatment process for high-concentration chemical wastewater Download PDFInfo
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- CN116874065A CN116874065A CN202311022218.2A CN202311022218A CN116874065A CN 116874065 A CN116874065 A CN 116874065A CN 202311022218 A CN202311022218 A CN 202311022218A CN 116874065 A CN116874065 A CN 116874065A
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- rod
- reaction tank
- tank body
- scraper
- oxidation treatment
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 230000003647 oxidation Effects 0.000 title claims abstract description 54
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 54
- 239000000126 substance Substances 0.000 title claims abstract description 32
- 239000002351 wastewater Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000008569 process Effects 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 85
- 238000005273 aeration Methods 0.000 claims abstract description 43
- 238000007790 scraping Methods 0.000 claims abstract description 14
- 239000010842 industrial wastewater Substances 0.000 claims description 43
- 238000009434 installation Methods 0.000 claims description 37
- 238000003756 stirring Methods 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000376 reactant Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000006477 desulfuration reaction Methods 0.000 description 7
- 230000023556 desulfurization Effects 0.000 description 7
- 239000007809 chemical reaction catalyst Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The application relates to the technical field of wastewater treatment, in particular to a high-concentration chemical wastewater ozone oxidation treatment device and a treatment process, comprising a reaction tank body, wherein an aeration unit is arranged on the reaction tank body and is used for inputting ozone into the reaction tank body; the mounting rod is coaxially and rotatably arranged with the reaction tank body; at least one scraper, at least two fixed rods are connected to the scraper, and the at least two fixed rods are distributed along the axial direction of the mounting rod; the rotating discs are rotationally connected with the mounting rod, and an extension spring is connected between the rotating discs and the fixing rod; the two limiting rings are connected with the mounting rod, and baffle plates are arranged on the two opposite sides of the rotation direction of the fixing rod and are connected with the limiting rings; the fixed unit can be abutted with the fixed rod after the baffle plate rotates, and is used for being matched with one baffle plate to limit the fixed rod to move along the axial direction of the fixed rod; the application has the effect of prolonging the service lives of the scraper and the reaction tank body while realizing scraping operation of the inner wall of the reaction tank body.
Description
Technical Field
The application relates to the technical field of wastewater treatment, in particular to an ozone oxidation treatment device and treatment process for high-concentration chemical wastewater.
Background
In modern industry, especially pharmaceutical industry, textile industry, metallurgy industry, electronics, electroplating and petrochemical industry, etc., a large amount of organic industrial wastewater enterprises are developed at a high speed, so that the industrial wastewater containing nondegradable organic pollutants is increased increasingly, and the organic matters in the organic wastewater are difficult to solve by conventional physical, chemical and biological methods due to the characteristics of stable structure, poor biodegradability, strong toxicity, etc.
The research shows that the oxidation treatment effect of the organic industrial wastewater by adopting the ozone with extremely strong oxidation capability is better, so that the technology is widely spread and used at present, and in order to improve the oxidation treatment effect, the prior art discloses equipment convenient for improving the mixing effect of the oxidation gas and the slurry, which comprises a desulfurization tank and a feed pipe, wherein the feed pipe is arranged at the upper end of the left side wall of the desulfurization tank in a penetrating way; the air inlet pipe penetrates through the lower end of the left side wall of the desulfurization tank; the exhaust pipe penetrates through the top surface of the desulfurization tank; the discharging pipe is arranged to penetrate through the bottom surface of the desulfurization tank; the shell is fixedly arranged on the top surface of the desulfurization tank; the first mixing mechanism is arranged on the desulfurization tank.
In order to solve the above problem, a scraper is generally installed on a mixing mechanism, and the mixing mechanism is operated while the scraper is driven to scrape the inner wall of the tank, but the service lives of the scraper and the tank are greatly reduced due to continuous scraping operation.
Disclosure of Invention
The application provides an ozone oxidation treatment device and a treatment process for high-concentration chemical wastewater, which aims to prolong the service lives of a scraper and a tank body while realizing scraping operation of the inner wall of the tank body.
In a first aspect, the application provides a high-concentration chemical wastewater ozone oxidation treatment device, which adopts the following technical scheme:
an ozone oxidation treatment device for high-concentration chemical wastewater comprises
The reaction tank body is provided with an aeration unit for inputting ozone into the reaction tank body;
the installation rod and the reaction tank body are coaxially and rotatably arranged;
at least one scraper, wherein at least two fixing rods are connected to the scraper, and the at least two fixing rods are distributed along the axial direction of the mounting rod;
the rotating discs are rotationally connected with the mounting rod, and an extension spring is connected between the rotating discs and the fixing rod;
the limiting rings are connected with the mounting rod, the two opposite sides of the rotation direction of the fixing rod are provided with baffle plates, and the baffle plates are connected with the limiting rings;
the fixing unit can be abutted with the fixing rod after the baffle plate rotates, and the fixing unit is arranged on the fixing rod and used for being matched with one baffle plate to limit the fixing rod to move along the axial direction of the fixing rod.
By adopting the technical scheme, the industrial wastewater to be treated is filled into the reaction tank body, the corresponding reaction catalyst is added, then the mounting rod is driven to rotate, the mounting rod rotates to drive the limiting ring to rotate until one baffle plate is abutted against the fixed rod, the fixed unit is matched with the baffle plate to limit the axial displacement of the fixed rod along the self, the baffle plate applies force to the fixed rod to enable the fixed rod to drive the scraper to rotate to stir the mixture in the reaction tank body, ozone is input into the reaction tank body through the aeration unit, the ozone, the industrial wastewater and the catalyst are fully reacted through stirring until the reaction is sufficient, the treated industrial wastewater is discharged through the discharging hole, then the mounting rod is driven to reversely rotate, the mounting rod drives the limiting ring to reversely rotate, the limiting ring drives the other baffle plate to abut against the fixed rod, the fixed rod drives the scraper to rotate under the action of self-centrifugal force, and the fixed rod overcomes the elasticity of the tension spring until the scraper abuts against the inner peripheral side of the reaction tank body, and deposits attached to the inner peripheral side of the reaction tank body are scraped; the high concentration chemical wastewater ozone oxidation processing apparatus of design is convenient for provide a reaction vessel for industrial wastewater treatment through the retort body, can be to retort body input ozone through the aeration unit, is convenient for install rolling disc and spacing ring through the installation pole, is convenient for support the scraper through the dead lever, and two kinds of functions of scraper as stirring structure and scraping wall structure are realized to positive and negative commentaries on classics of combining the installation pole through extension spring, separation blade and fixed unit cooperation, and then reduce the time of scraper and the internal week side contact of retort, extension scraper and the life of the retort body when realizing the operation of scraping of jar internal wall.
In a specific implementation manner, the limiting ring is provided with an arc-shaped groove for the fixing rod to pass through, the arc-shaped groove is coaxially arranged with the mounting rod, and the fixing rod is in sliding connection with the limiting ring.
Through adopting above-mentioned technical scheme, the arc wall of design can reduce the dead lever because the unstable motion that the stirring produced appears the possibility of up-and-down motion when the cooperation spacing ring rotates.
In a specific implementation manner, the fixing unit comprises two saw-tooth strips, one saw-tooth strip is installed on the fixing rod, the other saw-tooth strip is installed on one baffle plate, and the two saw-tooth strips are oppositely arranged.
Through adopting above-mentioned technical scheme, the fixed unit of design, through two sawtooth strips, can be under the pivoted circumstances of separation blade drive dead lever, through the interlock each other after two sawtooth strips paste tightly, can realize the restriction of dead lever along self axial displacement.
In a specific implementation manner, the fixing unit comprises a plugging rod, the plugging rod is connected with the fixing rod, and a strip-shaped groove for the plugging rod to pass through is formed in one baffle plate.
Through adopting above-mentioned technical scheme, the fixed unit of design can be through the restriction of peg graft pole along self axial displacement of realization dead lever in inserting the bar inslot.
In a specific embodiment, a guide frame is connected to the rotating disc, and the fixing rod is slidably connected to the guide frame.
Through adopting above-mentioned technical scheme, the leading truck of design can cooperate the arc groove further to restrict the degree of freedom of dead lever, reduces in scraping the wall operation scraper and the possibility that the reaction tank body bumps. .
In a specific embodiment, the scraper is provided with a plurality of liquid passing through holes.
Through adopting above-mentioned technical scheme, the through-hole of crossing of design can be when the scraper carries out stirring mixing operation for industrial waste water is broken up when flowing through the through-hole, and the resistance that receives when reducing the scraper rotation, and the flow disorder nature of industrial waste water when the stirring improves industrial waste water and ozone's contact efficiency.
In a specific embodiment, the aeration unit comprises an ozone generator, a gas pipe and an aeration disc;
one end of the gas pipe is connected with the gas outlet of the ozone generator, and the other end of the gas pipe is connected with the gas inlet of the aeration disc;
the aeration disc is positioned in the reaction tank body, the aeration disc is connected with the bottom wall of the reaction tank body, a plurality of air outlet holes are formed in the aeration disc, and an air exhaust hole is formed in the top wall of the reaction tank body.
By adopting the technical scheme, the industrial wastewater to be treated is filled into the reaction tank body, the corresponding reaction catalyst is added, then the installation rod is driven to rotate, the installation rod rotates to drive the limiting ring to rotate until one baffle plate is abutted against the fixed rod, the fixed unit is matched with the baffle plate to limit the axial displacement of the fixed rod along the self, the baffle plate applies force to the fixed rod to enable the fixed rod to drive the scraper to rotate so as to realize stirring of the mixture in the reaction tank body, the ozone generator works, generated ozone is sent into the aeration disc through the gas pipe, and then the generated ozone is led into the industrial wastewater to be treated in the reaction tank body through a plurality of gas outlets formed in the aeration disc, so that the oxidation treatment of organic matters in the industrial wastewater is realized; the designed aeration unit is convenient for generating ozone required by oxidation treatment through an ozone generator, is convenient for conveying the ozone into an aeration disc through a gas pipe, and is convenient for increasing the contact efficiency of the ozone and the industrial wastewater to be treated through the aeration disc.
In a specific implementation mode, the aeration disc is communicated with an air supply pipe, the installation rod is arranged in a hollow mode, a plurality of drain holes are formed in the area, extending into the reaction tank, of the installation rod, and the air supply pipe extends into the inner cavity of the installation rod.
Through the technical scheme, when the installation rod rotates, the industrial wastewater in the installation rod is discharged from the drain hole under the action of centrifugal force, and the air supply pipe supplies ozone into the installation rod at the moment, so that the air supply pipe can extend into the central area of the industrial wastewater to vertically supply ozone into the industrial wastewater, and the contact efficiency of the ozone and the industrial wastewater is improved; the designed air supply pipe can be matched with the mounting rod which is arranged in the hollow mode and provided with the drain hole, so that the contact efficiency of ozone and industrial wastewater is further improved.
In a second aspect, the present application provides a process for ozone oxidation treatment of high-concentration chemical wastewater, using a high-concentration chemical wastewater ozone oxidation treatment apparatus, comprising:
s1: reactant addition: filling industrial wastewater to be treated into a reaction tank body through a feed inlet, and adding a catalyst required by ozone oxidation into the reaction tank body;
s2: stirring and mixing: the installation rod is driven to rotate, the installation rod drives the baffle plate to rotate through the limiting ring until the baffle plate is abutted against the fixed rod, at the moment, the fixed unit is matched with the baffle plate to limit the position of the fixed rod along the axial direction of the fixed rod, and the fixed rod drives the scraper to rotate to stir the mixture in the reaction tank body;
s3: ventilation and oxidation: ozone is introduced into the reaction tank body through the aeration unit, and ozone oxidation treatment is realized by matching with stirring of a scraper;
s4: scraping attachments: after the oxidation treatment is finished, the treated industrial wastewater is discharged, then the mounting rod is driven to reversely rotate, the mounting rod drives the baffle plate to rotate through the limiting ring until the other baffle plate is abutted against the fixing rod, and the scraper overcomes the elastic force of the extension spring to move under the action of the centrifugal force of the scraper until the scraper is attached to the inner peripheral side of the reaction tank body until attachments on the inner wall of the reaction tank body are completely scraped.
Through adopting above-mentioned technical scheme, the high concentration industrial waste water ozone oxidation treatment process of design can realize through the positive and negative rotation of installation pole that the stirring of scraper mixes with scrape wall and remove two kinds of operation modes of deposit, and then reduces the time of scraper and the internal week side contact of retort, prolongs the life of scraper and jar body when realizing jar internal wall and scraping the operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the high concentration chemical wastewater ozone oxidation processing apparatus of design is convenient for provide a reaction vessel for industrial wastewater treatment through the retort body, can be to retort body input ozone through the aeration unit, is convenient for install rolling disc and spacing ring through the installation pole, is convenient for support the scraper through the dead lever, and two kinds of functions of scraper as stirring structure and scraping wall structure are realized to positive and negative commentaries on classics of combining the installation pole through extension spring, separation blade and fixed unit cooperation, and then reduce the time of scraper and the internal week side contact of retort, extension scraper and the life of the retort body when realizing the operation of scraping of the internal wall of retort.
2. The designed high-concentration chemical wastewater ozone oxidation treatment device can drive the fixing rod to rotate through the two saw-tooth strips, and can realize the limit of the axial displacement of the fixing rod along the self through the mutual engagement of the two saw-tooth strips after the two saw-tooth strips are tightly adhered.
3. The designed high-concentration chemical wastewater ozone oxidation treatment device is convenient for generating ozone required by oxidation treatment through an ozone generator, is convenient for conveying the ozone into an aeration disc through a gas pipe, and is convenient for increasing the contact efficiency of the ozone and the industrial wastewater to be treated through the aeration disc.
Drawings
FIG. 1 is a schematic three-dimensional structure of an ozone oxidation treatment device for high-concentration chemical wastewater in example 1 of the present application.
Fig. 2 is a schematic diagram of the two-dimensional structure of fig. 1.
Fig. 3 is a cross-sectional view of fig. 2.
Fig. 4 is a schematic view of a part of the structure of the hidden reaction tank in fig. 2.
Fig. 5 is a schematic view of a part of the structure of fig. 4.
Fig. 6 is an enlarged schematic view of a portion a in fig. 5.
Fig. 7 is a schematic structural view of a fixing unit of embodiment 2 of the present application.
Reference numerals illustrate: 1. a reaction tank body; 2. an aeration unit; 21. an ozone generator; 22. a gas pipe; 23. an aeration disc; 231. an air outlet hole; 24. an air supply pipe; 3. a mounting rod; 31. a drain hole; 4. a scraper; 41. a liquid passing through hole; 5. a fixed rod; 6. a rotating disc; 61. a tension spring; 62. a guide frame; 7. a limiting ring; 71. an arc-shaped groove; 8. a baffle; 81. a bar-shaped groove; 9. a fixing unit; 91. a saw rack; 92. inserting a connecting rod; 10. a power unit.
Detailed Description
The application is described in further detail below with reference to fig. 1-7.
The embodiment of the application discloses an ozone oxidation treatment device and treatment process for high-concentration chemical wastewater.
In a first aspect, an embodiment of the application discloses an ozone oxidation treatment device for high-concentration chemical wastewater.
Example 1
Referring to fig. 1, an ozone oxidation treatment device for high-concentration chemical wastewater comprises a reaction tank body 1, wherein a supporting frame body is welded on the outer peripheral side of the reaction tank body 1, a feeding port and an exhaust hole are integrally arranged on the top wall of the reaction tank body 1, a discharging port is integrally arranged on the bottom wall of the reaction tank body 1, and a control valve for controlling the opening and the closing of the discharging port is arranged.
Referring to fig. 2 and 3, in order to facilitate the input of ozone into the reaction tank 1 for the oxidation treatment of industrial wastewater, an aeration unit 2 is provided on the reaction tank 1 for the input of ozone into the reaction tank 1, the aeration unit 2 comprises an ozone generator 21, a gas pipe 22 and an aeration disc 23, one end of the gas pipe 22 is connected with an air outlet flange of the ozone generator 21, the other end is connected with an air inlet of the aeration disc 23, and the gas pipe 22 comprises a vertically arranged vertical section which is fixed on the reaction tank 1 by a clamp.
Referring to fig. 3, an aeration disc 23 is positioned in a reaction tank 1, the aeration disc 23 is connected with the bottom wall of the reaction tank 1 through a plurality of support rods, the aeration disc 23 comprises a plurality of hollow rings with gradually changed diameters, a communicating pipe is arranged between two adjacent hollow rings, a plurality of air outlet holes 231 are formed in the hollow rings and the communicating pipe, ozone is conveyed into the hollow rings and the communicating pipe through an air conveying pipe 22 by an ozone generator 21, and then the ozone is discharged into industrial wastewater in the reaction tank 1 through the air outlet holes 231.
Referring to fig. 3, in order to facilitate the stirring and mixing of the mixture in the reaction tank 1 and the scraping of the sediment in the reaction tank 1, the device further comprises a power unit 10 and a mounting rod 3, in the embodiment of the application, the power unit 10 may be a forward and reverse motor or a rotary cylinder, but can drive the mounting rod 3 to rotate forward and reverse, in the embodiment, the power unit 10 is set as a forward and reverse motor, the forward and reverse motor is connected with the top wall of the reaction tank 1 through a mounting frame through a bolt, the forward and reverse motor is coaxially connected with the mounting rod 3 through a coupling, the mounting rod 3 is coaxially arranged with the reaction tank 1, and the mounting rod 3 is rotationally connected with the top wall of the reaction tank 1.
Referring to fig. 3, in order to facilitate increasing the contact efficiency of ozone with industrial wastewater, shortening the contact path length of ozone with industrial wastewater, the installation rod 3 is hollow, a plurality of drain holes 31 are formed in a region where the installation rod 3 extends into the reaction tank 1, the air supply pipe 24 extends into the inner cavity of the installation rod 3, and the air supply pipe 24 is staggered with the installation rod 3.
Referring to fig. 4, the application further comprises at least one scraper 4, wherein the number of the scrapers 4 can be one, two, or three, so long as the stirring of the mixture in the reaction tank 1 and the scraping of the sediment on the inner circumference side of the reaction tank 1 can be realized, and in order to realize the balance of stirring efficiency and stress of the mounting rod 3, the number of the scrapers 4 in the embodiment is three, and the three scrapers 4 are uniformly distributed along the circumference of the mounting rod 3; in order to realize disorder of industrial wastewater flow during stirring, a plurality of liquid passing through holes 41 are formed in the scraper 4.
Referring to fig. 4, at least two fixing rods 5 are welded on the scraper 4, and the at least two fixing rods 5 are distributed along the axial direction of the mounting rod 3, in the present application, the number of the fixing rods 5 welded on each scraper 4 may be two, three or four, so long as stable support of the scraper 4 can be realized, and in this embodiment, the number of the fixing rods 5 welded on each scraper 4 is two.
Referring to fig. 5, the application further comprises at least two rotating discs 6, wherein the number of the rotating discs 6 is consistent with the number of the fixed rods 5 connected to each scraper 4, the rotating discs 6 are coaxially and rotatably connected with the mounting rods 3, an extension spring 61 is arranged between the rotating discs 6 and the fixed rods 5, one end of the extension spring 61 is welded with the rotating discs 6, and the other end is welded with the fixed rods 5.
Referring to fig. 5, the application further comprises at least two limiting rings 7, wherein the number of the limiting rings 7 is consistent with that of the rotating discs 6, and the limiting rings 7 and the mounting rod 3 are welded and fixed through thin rods; the front side and the rear side of the rotation direction of each fixing rod 5 are respectively provided with a baffle 8, and the baffle 8 is welded and fixed with the limiting ring 7.
Referring to fig. 5, in order to limit the degree of freedom of the fixing rod 5, an arc groove 71 for the fixing rod 5 to pass through is formed in the limiting ring 7, the arc groove 71 is coaxially arranged with the mounting rod 3, the fixing rod 5 is slidably connected with the limiting ring 7, a guide frame 62 is fixedly welded on the rotating disc 6, and the fixing rod 5 is slidably connected with the guide frame 62.
Referring to fig. 6, in order to realize two different operation modes of the scraper 4 through forward and reverse rotation, the scraper further comprises a fixing unit 9, the fixing unit 9 is installed on the fixing rod 5 and is used for limiting the displacement of the fixing rod 5 along the axial direction of the scraper 8 in cooperation with one baffle plate 8, the fixing unit 9 comprises two saw tooth strips 91, one saw tooth strip 91 is welded on the fixing rod 5, the other saw tooth strip 91 is welded on the other baffle plate 8, the two saw tooth strips 91 are oppositely arranged, and when the installation rod 3 rotates, the limiting ring 7 is driven to rotate through the limiting ring 7, so that the two saw tooth strips 91 are meshed, and further the displacement limitation of the fixing rod 5 along the axial direction of the scraper 5 is realized.
The implementation principle of the high-concentration chemical wastewater ozone oxidation treatment device of the embodiment 1 of the application is as follows: the industrial wastewater to be treated is poured into the reaction tank body 1, a corresponding reaction catalyst is added, then the installation rod 3 is driven to rotate, the installation rod 3 rotates to drive the limiting ring 7 to rotate until one baffle plate 8 is abutted with the fixed rod 5, and the sawtooth strips 91 on the fixed rod 5 are matched with the saw racks 91 on the baffle plate 8 to limit the axial displacement of the fixed rod 5 along the self.
The baffle plate 8 applies force to the fixed rod 5, so that the fixed rod 5 drives the scraper 4 to rotate to stir the mixture in the reaction tank body 1, the ozone generator 21 works, generated ozone is sent into the aeration disc 23 through the gas pipe 22, then the generated ozone is introduced into industrial wastewater to be treated in the reaction tank body 1 through a plurality of gas outlet holes 231 formed in the aeration disc 23, oxidation treatment of organic matters in the industrial wastewater is realized, and the ozone, the industrial wastewater and the catalyst are fully reacted through stirring until the reaction is full, and the treated industrial wastewater is discharged through the discharge opening.
Then, the installation rod 3 is driven to reversely rotate, the installation rod 3 drives the limiting ring 7 to reversely rotate, the limiting ring 7 drives the other baffle piece 8 to be abutted against the fixed rod 5, the fixed rod 5 drives the scraper 4 to rotate, the scraper 4 applies force to the fixed rod 5 under the action of centrifugal force of the scraper 4, and the fixed rod 5 overcomes the elasticity of the tension spring 61 until the scraper 4 is abutted against the inner peripheral side of the reaction tank body 1, and deposits attached to the inner peripheral side of the reaction tank body 1 are scraped.
Example 2
Referring to fig. 7, this embodiment is different from embodiment 1 in that: the fixed unit 9 comprises a plugging rod 92, the plugging rod 92 is welded with the fixed rod 5, a strip-shaped groove 81 for the plugging rod 92 to pass through is formed in one baffle piece 8, the strip-shaped groove 81 is formed along the axial direction of the fixed rod 5, and the limiting ring 7 is driven to rotate by the limiting ring 7 when the mounting rod 3 rotates until the plugging rod 92 passes through the strip-shaped groove 81, so that the displacement limitation of the fixed rod 5 along the axial direction of the mounting rod is realized.
The implementation principle of the high-concentration chemical wastewater ozone oxidation treatment device in the embodiment 2 of the application is as follows: the industrial wastewater to be treated is poured into the reaction tank body 1, a corresponding reaction catalyst is added, then the installation rod 3 is driven to rotate, the installation rod 3 rotates to drive the limiting ring 7 to rotate until one baffle plate 8 is abutted with the fixed rod 5, and the inserting rod 92 on the fixed rod 5 passes through the strip-shaped groove 81 formed in the baffle plate 8, so that the fixed rod 5 is limited to displace along the axial direction of the fixed rod.
The baffle plate 8 applies force to the fixed rod 5, so that the fixed rod 5 drives the scraper 4 to rotate to stir the mixture in the reaction tank body 1, the ozone generator 21 works, generated ozone is sent into the aeration disc 23 through the gas pipe 22, then the generated ozone is introduced into industrial wastewater to be treated in the reaction tank body 1 through a plurality of gas outlet holes 231 formed in the aeration disc 23, oxidation treatment of organic matters in the industrial wastewater is realized, and the ozone, the industrial wastewater and the catalyst are fully reacted through stirring until the reaction is full, and the treated industrial wastewater is discharged through the discharge opening.
Then, the installation rod 3 is driven to reversely rotate, the installation rod 3 drives the limiting ring 7 to reversely rotate, the limiting ring 7 drives the other baffle piece 8 to be abutted against the fixed rod 5, the fixed rod 5 drives the scraper 4 to rotate, the scraper 4 applies force to the fixed rod 5 under the action of centrifugal force of the scraper 4, and the fixed rod 5 overcomes the elasticity of the tension spring 61 until the scraper 4 is abutted against the inner peripheral side of the reaction tank body 1, and deposits attached to the inner peripheral side of the reaction tank body 1 are scraped.
In a second aspect, an embodiment of the present application discloses a high-concentration chemical wastewater ozone oxidation treatment process, using the high-concentration chemical wastewater ozone oxidation treatment device disclosed in the first aspect of the embodiment of the present application, including
S1: reactant addition: the industrial wastewater to be treated is poured into the reaction tank body 1 through a feed inlet, and a catalyst required by ozone oxidation is added into the reaction tank body 1;
s2: stirring and mixing: the installation rod 3 is driven to rotate, the installation rod 3 drives the baffle plate 8 to rotate through the limiting ring 7 until the baffle plate 8 is abutted against the fixed rod 5, at the moment, the fixed unit 9 is matched with the baffle plate 8 to limit the position of the fixed rod 5 along the axial direction of the fixed rod, and the fixed rod 5 drives the scraper 4 to rotate to stir the mixture in the reaction tank 1;
s3: ventilation and oxidation: ozone is introduced into the reaction tank body 1 through the aeration unit 2, and ozone oxidation treatment is realized by matching with stirring of the scraper 4;
s4: scraping attachments: after the oxidation treatment is finished, the treated industrial wastewater is discharged, then the mounting rod 3 is driven to reversely rotate, the mounting rod 3 drives the baffle plate 8 to rotate through the limiting ring 7 until the other baffle plate 8 is abutted against the fixed rod 5, the scraper 4 enables the fixed rod 5 to overcome the elastic force of the tension spring 61 under the action of the centrifugal force of the scraper 4 until the scraper 4 is attached to the inner peripheral side of the reaction tank 1, and the attachments on the inner wall of the reaction tank 1 are completely scraped.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. An ozone oxidation treatment device for high-concentration chemical wastewater is characterized in that: comprising
The reaction tank comprises a reaction tank body (1), wherein an aeration unit (2) is arranged on the reaction tank body (1) and is used for inputting ozone into the reaction tank body (1);
the installation rod (3) is coaxially and rotatably arranged with the reaction tank body (1);
at least one scraper (4), wherein the scraper (4) is connected with at least two fixing rods (5), and the at least two fixing rods (5) are distributed along the axial direction of the mounting rod (3);
the rotating discs (6) are rotationally connected with the mounting rod (3), and an extension spring (61) is connected between the rotating discs (6) and the fixing rod (5);
the limiting rings (7) are connected with the mounting rods (3), the two opposite sides of the fixing rods (5) in the rotating direction are provided with baffle plates (8), and the baffle plates (8) are connected with the limiting rings (7);
the fixing unit (9), the separation blade (8) can with dead lever (5) butt after rotating, fixing unit (9) install in on dead lever (5), be used for with one separation blade (8) cooperation restriction dead lever (5) are along the axial motion of self.
2. The high-concentration chemical wastewater ozone oxidation treatment device according to claim 1, wherein: the limiting ring (7) is provided with an arc-shaped groove (71) for the fixing rod (5) to pass through, the arc-shaped groove (71) and the mounting rod (3) are coaxially arranged, and the fixing rod (5) is in sliding connection with the limiting ring (7).
3. The high-concentration chemical wastewater ozone oxidation treatment device according to claim 2, wherein: the fixing unit (9) comprises two sawtooth strips (91), one sawtooth strip (91) is installed on the fixing rod (5), the other sawtooth strip (91) is installed on the baffle (8), and the two sawtooth strips (91) are oppositely arranged.
4. The high-concentration chemical wastewater ozone oxidation treatment device according to claim 2, wherein: the fixing unit (9) comprises a plugging rod (92), the plugging rod (92) is connected with the fixing rod (5), and a strip-shaped groove (81) for the plugging rod (92) to pass through is formed in one baffle piece (8).
5. The high-concentration chemical wastewater ozone oxidation treatment device according to claim 2, wherein: the rotating disc (6) is connected with a guide frame (62), and the fixed rod (5) is in sliding connection with the guide frame (62).
6. The high-concentration chemical wastewater ozone oxidation treatment device according to claim 1, wherein: a plurality of liquid passing through holes (41) are formed in the scraper (4).
7. The high-concentration chemical wastewater ozone oxidation treatment device according to claim 1, wherein: the aeration unit (2) comprises an ozone generator (21), a gas pipe (22) and an aeration disc (23);
one end of the air pipe (22) is connected with an air outlet of the ozone generator (21), and the other end of the air pipe is connected with an air inlet of the aeration disc (23);
the aeration disc (23) is positioned in the reaction tank body (1), the aeration disc (23) is connected with the bottom wall of the reaction tank body (1), a plurality of air outlet holes (231) are formed in the aeration disc (23), and exhaust holes are formed in the top wall of the reaction tank body (1).
8. The high-concentration chemical wastewater ozone oxidation treatment device according to claim 7, wherein: the aeration disc (23) is communicated with an air supply pipe (24), the installation rod (3) is arranged in a hollow mode, a plurality of drain holes (31) are formed in the area, extending into the reaction tank body (1), of the installation rod (3), and the air supply pipe (24) extends into the inner cavity of the installation rod (3).
9. An ozone oxidation treatment process for high-concentration chemical wastewater is characterized by comprising the following steps of: an ozone oxidation treatment device for high-concentration chemical wastewater using the method according to any one of claims 1 to 8, comprising:
s1: reactant addition: pouring industrial wastewater to be treated into the reaction tank body (1) through a feed inlet, and adding a catalyst required by ozone oxidation into the reaction tank body (1) together;
s2: stirring and mixing: the installation rod (3) is driven to rotate, the installation rod (3) drives the baffle plate (8) to rotate through the limiting ring (7) until the baffle plate (8) is abutted against the fixed rod (5), at the moment, the fixed unit (9) is matched with the baffle plate (8) to limit the position of the fixed rod (5) along the axial direction of the fixed rod, and the fixed rod (5) drives the scraper (4) to rotate to stir the mixture in the reaction tank body (1);
s3: ventilation and oxidation: ozone is introduced into the reaction tank body (1) through the aeration unit (2), and ozone oxidation treatment is realized by matching with stirring of the scraper (4);
s4: scraping attachments: after the oxidation treatment is finished, the treated industrial wastewater is discharged, then the mounting rod (3) is driven to reversely rotate, the mounting rod (3) drives the baffle plate (8) to rotate through the limiting ring (7) until the other baffle plate (8) is abutted with the fixing rod (5), the scraper (4) enables the fixing rod (5) to overcome the elastic force of the extension spring (61) under the action of the centrifugal force of the scraper, until the scraper (4) is attached to the inner peripheral side of the reaction tank body (1), and until attachments on the inner wall of the reaction tank body (1) are completely scraped.
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| CN202311022218.2A CN116874065B (en) | 2023-08-15 | 2023-08-15 | Ozone oxidation treatment device and treatment process for high-concentration chemical wastewater |
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| DE202015000190U1 (en) * | 2014-09-15 | 2015-10-02 | Franz Reinhard Knibernig | filter |
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| CN213824805U (en) * | 2020-11-10 | 2021-07-30 | 浙江金味香料有限公司 | Reaction tank |
| CN113797565A (en) * | 2021-09-14 | 2021-12-17 | 刘焕英 | Amino acid concentration tank |
| CN218841821U (en) * | 2022-11-23 | 2023-04-11 | 珠海德云天环保科技有限公司 | High-efficient ozone oxidation tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2130104A1 (en) * | 1992-02-14 | 1993-08-15 | Erema Engineering Recycling Maschinen Und Anlagen Gesellschaft M.B.H. | filter for Free-Flowing Materials, in Particular Plastic Melts Containing Impurities |
| DE202015000190U1 (en) * | 2014-09-15 | 2015-10-02 | Franz Reinhard Knibernig | filter |
| CN210261259U (en) * | 2019-06-14 | 2020-04-07 | 苏州金奥臭氧有限公司 | Stirring formula ozone reactor |
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| CN116874065B (en) | 2024-02-13 |
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