CN114988555A - Advanced oxidation treatment process for industrial sewage - Google Patents
Advanced oxidation treatment process for industrial sewage Download PDFInfo
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- CN114988555A CN114988555A CN202210724932.5A CN202210724932A CN114988555A CN 114988555 A CN114988555 A CN 114988555A CN 202210724932 A CN202210724932 A CN 202210724932A CN 114988555 A CN114988555 A CN 114988555A
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- sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 48
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 38
- 230000003647 oxidation Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000005507 spraying Methods 0.000 claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 50
- 230000001590 oxidative effect Effects 0.000 claims abstract description 34
- 239000007800 oxidant agent Substances 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000010842 industrial wastewater Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 12
- 235000017491 Bambusa tulda Nutrition 0.000 description 12
- 241001330002 Bambuseae Species 0.000 description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 12
- 239000011425 bamboo Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 239000002351 wastewater Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
- B01F27/1152—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis with separate elements other than discs fixed on the discs, e.g. vanes fixed on the discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/17—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing
- B01F27/172—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing for cutting, e.g. with knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/93—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to the field of industrial sewage treatment, and relates to an advanced oxidation treatment process for industrial sewage, which comprises the following steps: step one, introducing sewage into the lower part of an oxidation device; injecting an oxidant into a liquid spraying mechanism at the lower part of the oxidation device by an external liquid pump, spraying the oxidant out of the liquid spraying mechanism, mixing the oxidant with sewage, and carrying out oxidation reaction; thirdly, the sewage and the oxidant flow from bottom to top in the oxidation device to carry out full mixing reaction; the invention mixes oxidant solution and sewage rotationally by arranging the installation cylinder provided with the through groove, the liquid spray pipe, the cutting roller and the central cylinder, cuts bubbles generated by reaction, increases the amount of the bubbles, increases the turbulent flow state of the sewage and the oxidant solution, and improves the mixing speed and the mixing uniformity.
Description
Technical Field
The invention relates to the field of industrial sewage treatment, in particular to an advanced oxidation treatment process for industrial sewage.
Background
Oxidation point of waste waterThe physical method is one of the chemical treatment methods of wastewater. A method for purifying waste water by oxidizing and decomposing pollutants in the waste water with a strong oxidant. The Advanced Oxidation Technology (AOT) utilizes the strong oxidizing group-hydroxyl free radical (OH) generated in the chemical reaction process and a series of chain reactions to oxidize and decompose the organic matters into small molecules until the organic matters are degraded into CO 2 ，H 2 O and inorganic salts.
Traditional oxidant mixes through the stirring mode with sewage hybrid mode, and the mixing efficiency is low, causes oxidant solution and sewage mixing velocity slow, mixes inadequately, and purification rate is not high, influences the speed of water purification.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an advanced oxidation treatment process for industrial sewage, which can realize the full contact between the sewage and an oxidant solution and cut generated bubbles through a cutting roller, increase the turbulence in the sewage and improve the mixing effect.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An advanced oxidation treatment process for industrial sewage, which comprises the following steps: step one, introducing sewage into the lower part of an oxidation device; injecting an oxidant into a liquid spraying mechanism at the lower part of the oxidation device by an external liquid pump, spraying the oxidant out of the liquid spraying mechanism, mixing the oxidant with sewage, and carrying out oxidation reaction; thirdly, the sewage and the oxidant flow from bottom to top in the oxidation device to carry out full mixing reaction; wherein, oxidation unit includes:
the reaction cylinder is provided with a conical cavity at the lower part, a water inlet pipe is arranged at the lower part of the reaction cylinder and positioned above the conical cavity, a water outlet pipe is arranged at the position of the reaction cylinder close to the top plate, and a liquid spraying mechanism is arranged at the position of the reaction cylinder and positioned above the conical cavity;
the liquid spraying mechanism comprises an installation barrel, a through groove vertically penetrating through the installation barrel, a liquid spraying pipe installed in the through groove, a central barrel fixedly connected with the installation barrel and communicated with the inner cavity of the liquid spraying pipe through a pipeline, a liquid inlet pipe communicated with the central barrel through a rotary joint and communicated with an external liquid pumping pump, and a stirring motor connected with the part, extending to the upper part of the reaction barrel, of the central barrel through a transmission gear set;
the liquid spraying mechanism also comprises a cutting roller arranged in the through groove and positioned above the liquid spraying pipe, a plurality of groups of annular blades equidistantly arranged on the cutting roller, an impeller fixedly connected with the part of the cutting roller extending to the outer side of the mounting cylinder, a cylinder sleeved on the outer side of the impeller and in threaded connection with the side wall of the mounting cylinder, a water injection pipe tangentially penetrating through the cylinder and communicated with the inner cavity of the cylinder, and a water inlet cover communicated with the front end of the water injection pipe; and a flow guide cover which is used for guiding sewage into the through groove and is fixedly connected with the mounting cylinder is arranged below the through groove.
Furthermore, a first spoiler and a second spoiler which are fixedly connected with the inner wall of the reaction cylinder at the outer ends and have the same structure are arranged in the reaction cylinder, and central through holes which form an inner annular channel with the outer wall of the central cylinder are formed in the central positions of the first spoiler and the second spoiler; a rotating disc which is fixedly connected with the central cylinder and forms an outer annular channel with the inner wall of the reaction cylinder is arranged between the first spoiler and the second spoiler.
Furthermore, a plurality of groups of concentrically arranged convex rings are arranged on the upper end surface and the lower end surface of the first spoiler.
Further, the installation section of thick bamboo is the column section of thick bamboo of level setting, and the drum is for being towards installation section of thick bamboo one side opening and being hollow column section of thick bamboo, and the drum outer wall is equipped with the external screw thread, is equipped with the internal thread groove on the installation section of thick bamboo.
Furthermore, the liquid spraying pipe is provided with liquid spraying holes distributed at equal intervals, and the annular blade is arranged right above the liquid spraying holes.
Furthermore, the one end that the cutting roller is close to the impeller runs through the lateral wall of an installation section of thick bamboo and is connected with the rotation of an installation section of thick bamboo through the bearing, and the one end that the impeller was kept away from to the cutting roller is connected with the inner wall rotation that runs through the groove through the bearing frame.
Furthermore, the central cylinder is a hollow shaft and penetrates through the top plate of the reaction cylinder and is rotatably connected with the top plate of the reaction cylinder through a bearing sleeve, and the lower part of the central cylinder is communicated with a liquid spraying pipe arranged in the penetrating groove through a communicating pipe.
Furthermore, the reaction cylinder is a hollow cylinder with a conical cavity at the lower part, and the lower part of the reaction cylinder is fixedly connected with a sludge discharge pipe which is communicated with the conical cavity and is provided with a valve.
Furthermore, the first spoiler, the second spoiler and the rotating disc are all circular plates, and the convex ring is an annular convex with a semicircular section.
Furthermore, the side wall of the circumference of the rotating disc is fixedly connected with cutting knives which are distributed at equal intervals and extend into the outer annular channel, and the cutting knives are flat blades which are horizontally arranged.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the device comprises an installation barrel provided with a through groove, a liquid spraying pipe, a cutting roller and a central barrel, so that oxidant solution and sewage are rotationally mixed, bubbles generated by reaction are cut, the bubble amount is increased, the turbulent flow state of the sewage and the oxidant solution is increased, and the mixing speed and the mixing uniformity are improved.
(2) The invention has the advantages that the first flow baffle plate and the second flow baffle plate which form the inner annular channel with the central cylinder and the rotating disc which forms the outer annular channel with the inner wall of the reaction cylinder are arranged, so that the mixed liquid has longer detention time in the reaction cylinder, and secondary aggregation and mixing are carried out at the inner annular channel, thereby improving the mixing effect.
(3) According to the invention, the central cylinder drives the liquid spraying mechanism to rotate, sewage enters the cylinder to push the impeller to rotate and drive the cutting roller to rotate, and the cutting effect on bubbles is improved.
(4) The invention further improves the flow choking effect, increases the disturbance to the mixed liquid and further improves the moderating effect by the first flow choking plate and the second flow choking plate which are provided with a plurality of groups of concentrically arranged convex rings on the upper end surface and the lower end surface.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view showing the internal structure of a reaction cartridge according to the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view showing an assembly structure of a liquid ejecting mechanism and a center barrel in the present invention;
FIG. 5 is a schematic view of the liquid spraying mechanism according to the present invention;
FIG. 6 is a schematic sectional view of the liquid ejecting mechanism according to the present invention;
FIG. 7 is a schematic view of an assembly structure of the mounting cylinder and the air guide sleeve of the present invention;
FIG. 8 is a schematic view showing an assembled structure of a cylinder and a water inlet cover according to the present invention;
FIG. 9 is a schematic perspective view of a first spoiler of the present invention;
fig. 10 is a perspective view of the rotary disk of the present invention.
The reference numbers in the figures illustrate: 1. a reaction cylinder; 2. a water inlet pipe; 3. a water outlet pipe; 4. a liquid spraying mechanism; 5. mounting the cylinder; 501. a through groove; 6. a liquid spraying pipe; 7. a central barrel; 8. a liquid inlet pipe; 9. a cutting roller; 901. an annular blade; 10. an impeller; 11. a cylinder; 12. a water inlet cover; 13. a water inlet pipe; 14. a dome; 15. a drive gear set; 16. a stirring motor; 17. a first spoiler; 1701. a central through hole; 1702. a raised ring; 18. rotating the disc; 19. a cutting knife; 20. a second spoiler; 21. a sludge discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1-10, in one embodiment of the present invention, an advanced oxidation treatment process for industrial wastewater includes the following steps: step one, introducing sewage into the lower part of an oxidation device; injecting an oxidant into a liquid spraying mechanism at the lower part of the oxidation device by an external liquid pump, spraying the oxidant out of the liquid spraying mechanism, mixing the oxidant with sewage, and carrying out oxidation reaction; thirdly, the sewage and the oxidant flow from bottom to top in the oxidation device to carry out full mixing reaction;
wherein, oxidation unit includes: the reaction cylinder 1 is provided with a conical cavity at the lower part, a water inlet pipe 2 is arranged at the lower part of the reaction cylinder 1 and positioned above the conical cavity, a water outlet pipe 3 is arranged at the position of the reaction cylinder 1 close to the top plate, and a liquid spraying mechanism 4 is arranged at the position of the reaction cylinder 1 and positioned above the conical cavity; the liquid spraying mechanism 4 comprises an installation barrel 5, a through groove 501 vertically penetrating the installation barrel 5, a liquid spraying pipe 6 installed in the through groove 501, a central barrel 7 fixedly connected with the installation barrel 5 and communicated with the inner cavity of the liquid spraying pipe 6 through a pipeline, a liquid inlet pipe 8 communicated with the central barrel 7 through a rotary joint and communicated with an external liquid pump, and a stirring motor 16 connected with the part of the central barrel 7 extending to the upper part of the reaction barrel 1 through a transmission gear set 15;
the liquid spraying mechanism further comprises a cutting roller 9 arranged in the through groove 501 and positioned above the liquid spraying pipe 6, a plurality of groups of annular blades 901 equidistantly arranged on the cutting roller 9, an impeller 10 fixedly connected with the part of the cutting roller 9 extending to the outer side of the mounting cylinder 5, a cylinder 11 sleeved on the outer side of the impeller 10 and in threaded connection with the side wall of the mounting cylinder 5, a water injection pipe 13 tangentially penetrating through the cylinder 11 and communicated with the inner cavity of the cylinder 11, and a water inlet cover 12 communicated with the front end of the water injection pipe 13; a guide cover 14 which guides sewage into the through groove 501 and is fixedly connected with the installation cylinder 5 is arranged below the through groove 501.
Specifically, the external liquid-pumping pump pumps the oxidant solution to the liquid-spraying pipe 6 for spraying, the stirring motor 16 drives the central cylinder 7 to rotate through the transmission gear set 15, the central cylinder 7 drives the liquid-spraying mechanism 4 to make circular motion, so that the oxidant solution is fully contacted with the sewage in the reaction cylinder 1, the contact speed and uniformity are improved, meanwhile, when the water inlet cover 12 on the front side of the cylinder 11 of the rotating liquid-spraying mechanism 4 makes circular motion, the sewage enters the water injection pipe 13 through the compression of the water inlet cover 12 and then enters the cylinder 11 to push the impeller 10 connected with the cutting roller 9 to rotate, meanwhile, the flow guide cover 14 continuously guides the sewage into the through groove 501, so that the sewage has a chance to be mixed with the oxidant solution of the liquid-spraying pipe, the annular blade 901 on the cutting roller 9 cuts the bubbles generated by the gas generated by the reaction of the oxidant solution and the sewage, and the bubble amount is increased, and then make sewage be disturbed by numerous bubbles, the bubble promotes oxidant solution unordered diffusion flow upwards simultaneously, increases the turbulent state of sewage and oxidant solution, accelerates the homogeneity of oxidant solution and the mixture of sewage, improves the mixed effect.
In this embodiment, installation section of thick bamboo 5 is the cylindrical section of thick bamboo of horizontal setting, and drum 11 is towards installation section of thick bamboo 5 one side opening and be the cylindrical section of thick bamboo of hollow, and 11 outer walls of drum are equipped with the external screw thread, are equipped with the internal thread groove on the installation section of thick bamboo 5.
In particular, the cylinder 11, the impeller 10 and the cutting roller 9 are convenient to disassemble and assemble.
In this embodiment, the liquid spraying pipe 6 is provided with liquid spraying holes distributed at equal intervals, and the annular blade 901 is disposed right above the liquid spraying holes.
In particular, the bubble cutting effect is improved.
In this embodiment, one end of the cutting roller 9 close to the impeller 10 penetrates through the side wall of the mounting cylinder 5 and is rotatably connected with the mounting cylinder 5 through a bearing, and one end of the cutting roller 9 far from the impeller 10 is rotatably connected with the inner wall of the through groove 501 through a bearing seat.
In particular, the stability of the cutting roller 9 is improved.
In this embodiment, the central cylinder 7 is a hollow shaft and penetrates through the top plate of the reaction cylinder 1 and is rotatably connected to the top plate of the reaction cylinder 1 through a bearing housing, and the lower portion of the central cylinder 7 is communicated with the liquid spray pipe 6 installed in the penetration groove 501 through a communicating pipe.
Specifically, efficient injection of the oxidant solution is achieved.
In this embodiment, the reaction cylinder 1 is a hollow cylinder with a conical cavity at the lower part, and the lower part of the reaction cylinder 1 is fixedly connected with a sludge discharge pipe which is communicated with the conical cavity and is provided with a valve.
In particular, the sludge is convenient to discharge.
Referring to fig. 2-4 and 9-10, in another embodiment of the present invention, a first spoiler 17 and a second spoiler 20 having the same structure and fixedly connected to the inner wall of the reaction cylinder 1 at the outer end are disposed in the reaction cylinder 1, and central through holes 1701 having an inner annular channel formed between the central through holes 17 and the outer wall of the central cylinder 7 are disposed at the central positions of the first spoiler 17 and the second spoiler 20; between the first spoiler 17 and the second spoiler 20 is provided a rotating disc 18 fixedly connected to the central barrel 7 and forming an outer annular passage with the inner wall of the reaction barrel 1.
Specifically, the mixed liquid of the sewage containing a large number of bubbles and the oxidizer solution flows downward, passes through the first spoiler 17, the second spoiler 20 and the rotating disk 18, increases the flow stroke of the mixed liquid, and prolongs the mixing time.
In this embodiment, the upper and lower end surfaces of the first spoiler 17 are respectively provided with a plurality of sets of concentrically arranged convex rings 1702.
Specifically, the raised ring 1702 further increases the blocking effect on the mixed liquor, and also increases the disturbance on the mixed liquor.
In this embodiment, the first spoiler 17, the second spoiler 20, and the rotating disc 18 are all circular plates, and the ring 1701 is an annular protrusion having a semicircular cross section.
In this embodiment, cutters 19 are fixedly connected to the circumferential side wall of the rotating disc 18 and are distributed equidistantly and extend into the outer annular passage, and the cutters 19 are flat blades horizontally arranged.
Specifically, the cutting knife 19 carries out the secondary cutting to outer annular channel upflow's bubble, increases the turbulent effect, improves mixed effect.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.
Claims (10)
1. An advanced oxidation treatment process for industrial sewage is characterized by comprising the following steps: step one, introducing sewage into the lower part of an oxidation device; injecting an oxidant into a liquid spraying mechanism at the lower part of the oxidation device by an external liquid pump, spraying the oxidant out of the liquid spraying mechanism, mixing the oxidant with sewage, and carrying out oxidation reaction; thirdly, the sewage and the oxidant flow from bottom to top in the oxidation device to carry out full mixing reaction; wherein the oxidation device comprises:
the reaction cylinder (1) is provided with a conical cavity at the lower part, a water inlet pipe (2) is arranged at the lower part of the reaction cylinder (1) and is positioned above the conical cavity, a water outlet pipe (3) is arranged at the position of the reaction cylinder (1) close to the top plate, and a liquid spraying mechanism (4) is arranged above the conical cavity of the reaction cylinder (1);
the liquid spraying mechanism (4) comprises an installation barrel (5), a through groove (501) vertically penetrating the installation barrel (5), a liquid spraying pipe (6) installed in the through groove (501), a central barrel (7) fixedly connected with the installation barrel (5) and communicated with the inner cavity of the liquid spraying pipe (6) through a pipeline, a liquid inlet pipe (8) communicated with the central barrel (7) through a rotary joint and communicated with an external liquid pumping pump, and a stirring motor (16) connected with the part, extending to the upper part of the reaction barrel (1), of the central barrel (7) through a transmission gear set (15);
the liquid spraying mechanism further comprises a cutting roller (9) arranged in the through groove (501) and positioned above the liquid spraying pipe (6), a plurality of groups of annular blades (901) equidistantly arranged on the cutting roller (9), an impeller (10) fixedly connected with the part of the cutting roller (9) extending to the outer side of the mounting barrel (5), a cylinder (11) sleeved on the outer side of the impeller (10) and in threaded connection with the side wall of the mounting barrel (5), a water injection pipe (13) tangentially penetrating through the cylinder (11) and communicated with the inner cavity of the cylinder (11), and a water inlet cover (12) communicated with the front end of the water injection pipe (13); and a flow guide sleeve (14) which guides sewage into the through groove (501) and is fixedly connected with the mounting cylinder (5) is arranged below the through groove (501).
2. The advanced oxidation treatment process of industrial wastewater according to claim 1, wherein a first spoiler (17) and a second spoiler (20) which are fixedly connected with the inner wall of the reaction cylinder (1) at the outer ends and have the same structure are arranged in the reaction cylinder (1), and central through holes (1701) which form an inner annular channel with the outer wall of the central cylinder (7) are formed in the central positions of the first spoiler (17) and the second spoiler (20); a rotating disc (18) which is fixedly connected with the central cylinder (7) and forms an outer annular channel with the inner wall of the reaction cylinder (1) is arranged between the first spoiler (17) and the second spoiler (20).
3. The advanced oxidation treatment process for industrial sewage according to claim 2, wherein the upper and lower end surfaces of the first spoiler (17) are provided with a plurality of sets of concentrically arranged raised rings (1702).
4. The advanced oxidation treatment process for industrial sewage according to claim 1, wherein the installation cylinder (5) is a horizontally arranged cylindrical cylinder, the cylinder (11) is a hollow cylindrical cylinder with an opening facing one side of the installation cylinder (5), the outer wall of the cylinder (11) is provided with external threads, and the installation cylinder (5) is provided with internal thread grooves.
5. The advanced oxidation treatment process for industrial sewage according to claim 1, wherein the liquid spraying pipe (6) is provided with liquid spraying holes distributed at equal intervals, and the annular blade (901) is arranged right above the liquid spraying holes.
6. The advanced oxidation treatment process for industrial sewage according to claim 1, wherein one end of the cutting roller (9) close to the impeller (10) penetrates through the side wall of the mounting cylinder (5) and is rotatably connected with the mounting cylinder (5) through a bearing, and one end of the cutting roller (9) far away from the impeller (10) is rotatably connected with the inner wall of the through groove (501) through a bearing seat.
7. The advanced oxidation treatment process for industrial sewage according to claim 1, wherein the central cylinder (7) is a hollow shaft and penetrates through the top plate of the reaction cylinder (1) and is rotatably connected with the top plate of the reaction cylinder (1) through a bearing sleeve, and the lower part of the central cylinder (7) is communicated with the liquid spraying pipe (6) arranged in the through groove (501) through a communicating pipe.
8. The advanced oxidation treatment process for industrial sewage according to claim 1, wherein the reaction cylinder (1) is a hollow cylinder with a conical cavity at the lower part, and a sludge discharge pipe which is communicated with the conical cavity and is provided with a valve is fixedly connected at the lower part of the reaction cylinder (1).
9. The advanced oxidation treatment process for industrial wastewater as claimed in claim 2, wherein the first flow blocking plate (17), the second flow blocking plate (20) and the rotating disc (18) are circular plates, and the convex ring (1701) is an annular convex with a semicircular cross section.
10. The advanced oxidation treatment process for industrial wastewater as claimed in claim 2, wherein the cutting knives (19) are fixedly connected to the circumferential side wall of the rotating disc (18) and are equidistantly distributed and extend into the outer annular passage, and the cutting knives (19) are flat blades horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210724932.5A CN114988555B (en) | 2022-06-23 | 2022-06-23 | Advanced oxidation treatment process for industrial sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210724932.5A CN114988555B (en) | 2022-06-23 | 2022-06-23 | Advanced oxidation treatment process for industrial sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114988555A true CN114988555A (en) | 2022-09-02 |
| CN114988555B CN114988555B (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210724932.5A Active CN114988555B (en) | 2022-06-23 | 2022-06-23 | Advanced oxidation treatment process for industrial sewage |
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| CN (1) | CN114988555B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07328658A (en) * | 1994-06-13 | 1995-12-19 | Nippon Chem Ind Co Ltd | Purifying treatment of waste water |
| CN105060518A (en) * | 2015-07-24 | 2015-11-18 | 山东兖煤凯达环保机械有限公司 | Efficient aeration equipment |
| CN214088022U (en) * | 2020-12-08 | 2021-08-31 | 杭州曼巴环保有限公司 | Industrial wastewater treatment system |
| CN214734608U (en) * | 2021-03-02 | 2021-11-16 | 浙江永电环境科技有限公司 | Efficient industrial sewage treatment plant |
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2022
- 2022-06-23 CN CN202210724932.5A patent/CN114988555B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07328658A (en) * | 1994-06-13 | 1995-12-19 | Nippon Chem Ind Co Ltd | Purifying treatment of waste water |
| CN105060518A (en) * | 2015-07-24 | 2015-11-18 | 山东兖煤凯达环保机械有限公司 | Efficient aeration equipment |
| CN214088022U (en) * | 2020-12-08 | 2021-08-31 | 杭州曼巴环保有限公司 | Industrial wastewater treatment system |
| CN214734608U (en) * | 2021-03-02 | 2021-11-16 | 浙江永电环境科技有限公司 | Efficient industrial sewage treatment plant |
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| CN114988555B (en) | 2023-11-17 |
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