CN118359346A - High COD wastewater treatment equipment and treatment method - Google Patents
High COD wastewater treatment equipment and treatment method Download PDFInfo
- Publication number
- CN118359346A CN118359346A CN202410793405.9A CN202410793405A CN118359346A CN 118359346 A CN118359346 A CN 118359346A CN 202410793405 A CN202410793405 A CN 202410793405A CN 118359346 A CN118359346 A CN 118359346A
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- fixedly connected
- pipe
- evaporation chamber
- annular
- ozone
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000002351 wastewater Substances 0.000 claims abstract description 65
- 238000001704 evaporation Methods 0.000 claims abstract description 64
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000008020 evaporation Effects 0.000 claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 239000000498 cooling water Substances 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000004064 recycling Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 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
- C02F9/00—Multistage 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The application discloses high COD wastewater treatment equipment and a treatment method, which belong to the field of wastewater treatment and comprise an evaporation chamber, wherein one side of the evaporation chamber is fixedly connected with a cooling water tank, the upper surface of the cooling water tank is fixedly connected with a connecting pipeline, one side of the upper surface of the evaporation chamber penetrates through and is fixedly connected with a steam pipe, the middle part of the upper surface of the evaporation chamber is fixedly connected with an electromagnetic valve, and the edge of the upper surface of the evaporation chamber is fixedly connected with a pretreatment mechanism. According to the application, the pretreatment mechanism is arranged, so that ozone sprayed out of the second nozzle is blown to contact with the wastewater falling from the surface of the conical heating plate, the ozone can remove the reducing substances in the wastewater, when the ozone is blown to the wastewater, the flow speed of the wastewater can be slowed down by pushing the airflow, the contact time of the ozone and the wastewater is improved, meanwhile, the temperature of the wastewater can be raised by heat generated by the conical heating plate, the temperature in the treatment bin is improved, and the speed of the ozone and the reducing substances can be accelerated by raising the temperature.
Description
Technical Field
The invention relates to the field of wastewater treatment, in particular to high COD wastewater treatment equipment and a treatment method.
Background
The high concentration is that the organic matters contained in the wastewater are more, the characteristic is that the COD value is higher, often too much, standard emission cannot be realized for the wastewater by simply relying on aerobic biological treatment, and the organic matters are generally required to be subjected to oxidative decomposition by using a strong oxidant, and oxygen is required to be continuously consumed during the oxidative decomposition, so that sufficient oxygen is provided to promote the efficiency of the organic matter wastewater treatment.
However, in the prior art, ozone is mainly introduced into wastewater, and the reducing substances and harmful substances in the wastewater are removed through bubbles generated by the ozone in the water, but the residence time of the bubbles in the wastewater is short, the contact area of the ozone and the wastewater is small, and the efficiency of removing the reducing substances and the harmful substances is low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide high COD wastewater treatment equipment and a treatment method.
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a high COD effluent treatment plant, includes the evaporating chamber, evaporating chamber one side fixedly connected with coolant tank, coolant tank's upper surface fixedly connected with connecting tube, evaporating chamber upper surface one side runs through and fixedly connected with steam pipe, department fixedly connected with solenoid valve in the middle of the evaporating chamber upper surface, evaporating chamber upper surface edge fixedly connected with pretreatment mechanism, evaporating chamber upper surface is kept away from steam pipe one side fixedly connected with heat flow mechanism.
The pretreatment mechanism comprises a treatment bin fixed on the upper surface of the evaporation chamber, the inner surface of the treatment bin is fixedly connected with a bucket-shaped plate, a second air pump is fixedly connected to the middle position of the outer surface of the treatment bin, the output end of the second air pump extends to the inner part of the treatment bin and is fixedly connected with a conveying pipe, the outer surface of the conveying pipe is rotationally connected with a rotary joint, the top of the rotary joint is rotationally connected with a C-shaped pipe, two ends of the C-shaped pipe are fixedly connected with annular pipes, and the outer surface of the annular pipes is fixedly connected with a plurality of second nozzles.
Further, the center department cover of fighting template upper surface is equipped with the filter frame, fight template lower surface and lean on centre of a circle department fixedly connected with toper hot plate, fight template lower surface edge fixedly connected with rotary mechanism, the upper surface cover of handling the storehouse is equipped with the storehouse lid, it is close to storehouse lid department fixedly connected with recovery mechanism to handle the storehouse surface, toper hot plate is located the center department of annular pipe, the top of solenoid valve extends to the inside of handling the storehouse and fixed connection, the one end of connecting tube extends to cooling water tank's bottom.
Further, rotary mechanism is including fixing the annular slide rail at the template lower surface of fighting and fixing the first driving motor in template lower surface one side of fighting, first driving motor output fixedly connected with first gear, the inside sliding connection of annular slide rail has two slide bars, two the surface fixedly connected with first annular rack of slide bar, the bottom and the mutual fixed connection of annular pipe of first annular rack.
Further, the horizontal heights of the first annular rack and the first gear are consistent, the first annular rack is meshed with the first gear, and the cross section of the first annular rack is T-shaped.
Further, the recovery mechanism comprises a first air pump fixed on the outer surface of the treatment bin and close to the bin cover, the output end of the first air pump is fixedly connected with a first recovery pipe, one end of the first recovery pipe is fixedly connected with a collecting cover, the output end of the first air pump is fixedly connected with a second recovery pipe, the output end of the second recovery pipe is fixedly connected with a guide pipe, the outer surface of the guide pipe is fixedly connected with a plurality of air outlet pipes, and the outer surface of the air outlet pipes is fixedly provided with a plurality of first nozzles.
Further, one end of the first recovery pipe extends to the inside of the treatment bin, and one end of the second recovery pipe extends to the inside of the evaporation chamber.
Further, the heat flow mechanism comprises a fan frame fixed on one side of the upper surface of the evaporation chamber, which is far away from the steam pipe, a motor base is fixedly connected to the top of the inner surface of the fan frame, a second driving motor is fixedly connected to the bottom of the motor base, a fan wheel is fixedly connected to the output end of the second driving motor, a heating wire is fixedly connected to the opposite side of the middle of the inner surface of the fan frame, a stirring mechanism is fixedly connected to the bottom of the second driving motor, and a heating plate is fixedly connected to the bottom of the fan frame.
Further, the stirring mechanism comprises a connecting shaft fixed at the bottom of the second driving motor and a fixed plate fixed at the top of the evaporation chamber, the outer surface of the connecting shaft is fixedly connected with a second annular rack, the bottom of the fixed plate is rotationally connected with a rotating shaft, the top of the outer surface of the rotating shaft is fixedly connected with a second gear, and the bottom of the outer surface of the rotating shaft is fixedly connected with four stirring blades.
Further, the second gear and the second annular rack are positioned at the same height, and the second gear and the second annular rack are meshed with each other.
The treatment method of the high COD wastewater treatment equipment comprises the following steps:
s1: opening a bin cover, injecting wastewater to be treated into the treatment bin, leading the wastewater into a filter frame through the diversion of a bucket-shaped plate, and filtering large particles;
S2: after filtering, the wastewater falls on the surface of the conical heating plate, a second air pump is started to convey ozone into the annular pipe through a conveying pipe and a C-shaped pipe, and the ozone is sprayed out through a second nozzle;
s3: then the rotating mechanism is opened to drive the annular pipe and the second nozzle to rotate, and ozone sprayed by the second nozzle is in full contact with water flow on the surface of the conical heating plate;
S4: the heating wire and the second driving motor are turned on, the fan wheel rotates, heat of the heating wire is conveyed to the inside of the evaporation chamber, and evaporation efficiency is improved;
s5: the second driving motor drives the connecting shaft to rotate, stirring blades are enabled to stir in water through transmission, waste water is heated uniformly, and ozone sprayed out of the first nozzle is stirred.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the application, the pretreatment mechanism is arranged, so that ozone sprayed out of the second nozzle is blown to contact with the wastewater falling from the surface of the conical heating plate, the ozone can remove the reducing substances in the wastewater, when the ozone is blown to the wastewater, the flow speed of the wastewater can be slowed down by pushing the airflow, the contact time of the ozone and the wastewater is improved, meanwhile, the temperature of the wastewater can be raised by heat generated by the conical heating plate, the temperature in the treatment bin is improved, and the reaction rate of the ozone and the reducing substances can be accelerated by raising the temperature.
2. According to the application, the rotating mechanism is arranged, the annular pipe rotates around the rotary joint around the conical heating plate, so that the second nozzle sprays ozone to the wastewater on the surface of the conical heating plate when rotating, the wastewater comprehensively contacts with the ozone, the flowing speed of the wastewater is further slowed down, the time of contact with the ozone is prolonged, and the treatment efficiency is further improved.
3. According to the application, the recovery mechanism is arranged, so that ozone can be recovered, the sprayed and recovered ozone can remove the reducing substances again for the wastewater evaporated in the evaporation chamber, the recovery and utilization of ozone can be realized, and the removal rate of the reducing substances and harmful substances in the wastewater can be optimized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a cross-sectional front view of a treatment bin according to the present invention;
FIG. 3 is a schematic view of the pretreatment mechanism of the present invention in a bottom view;
FIG. 4 is a schematic view of a partial structure of a pretreatment mechanism according to the present invention;
FIG. 5 is a schematic view of the recovery mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the evaporating chamber of the present invention;
FIG. 7 is a schematic view showing the internal structure of the evaporating chamber of the present invention;
FIG. 8 is a schematic view of a heat flow mechanism according to the present invention;
FIG. 9 is a schematic view of the stirring mechanism of the present invention;
FIG. 10 is a flow chart of the method of the present invention.
The reference numerals in the figures illustrate:
1. An evaporation chamber; 2. a cooling water tank; 3. a connecting pipe; 4. a steam pipe; 5. an electromagnetic valve; 6. a bin cover;
7. a pretreatment mechanism; 71. a treatment bin; 72. a bucket template; 73. a filter frame;
74. A rotation mechanism; 741. an annular slide rail; 742. a slide bar; 743. a first annular rack; 744. a first driving motor; 745. a first gear;
75. A recovery mechanism; 751. a first air pump; 752. a first recovery pipe; 753. a collection cover; 754. a second recovery pipe; 755. a flow guiding pipe; 756. an air outlet pipe; 757. a first nozzle;
76. A delivery tube; 77. a rotary joint; 78. a C-shaped tube; 79. an annular tube; 710. a second nozzle; 711. a conical heating plate; 712. a second air pump;
8. A heat flow mechanism; 81. a fan frame; 82. a motor base; 83. a second driving motor; 84. a heating wire; 85. a fan wheel;
86. A stirring mechanism; 861. a fixing plate; 862. a second gear; 863. stirring the leaves; 864. a rotating shaft; 865. a connecting shaft; 866. a second annular rack;
87. and (5) heating the plate.
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 apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Referring to fig. 1 to 9, a high COD wastewater treatment device includes an evaporation chamber 1, a cooling water tank 2 is fixedly connected to one side of the evaporation chamber 1, a connecting pipe 3 is fixedly connected to an upper surface of the cooling water tank 2, a steam pipe 4 is fixedly connected to one side of an upper surface of the evaporation chamber 1, an electromagnetic valve 5 is fixedly connected to a middle portion of the upper surface of the evaporation chamber 1, a pretreatment mechanism 7 is fixedly connected to an edge portion of the upper surface of the evaporation chamber 1, and a heat flow mechanism 8 is fixedly connected to one side of the upper surface of the evaporation chamber 1, which is far from the steam pipe 4.
As shown in fig. 2-4, the pretreatment mechanism 7 comprises a treatment bin 71 fixed on the upper surface of the evaporation chamber 1, the inner surface of the treatment bin 71 is fixedly connected with a bucket-shaped plate 72, the middle position of the outer surface of the treatment bin 71 is fixedly connected with a second air pump 712, the output end of the second air pump 712 extends to the inner part of the treatment bin 71 and is fixedly connected with a conveying pipe 76, the outer surface of the conveying pipe 76 is rotationally connected with a rotary joint 77, the top of the rotary joint 77 is rotationally connected with a C-shaped pipe 78, two ends of the C-shaped pipe 78 are fixedly connected with annular pipes 79, and the outer surface of the annular pipe 79 is fixedly connected with a plurality of second nozzles 710.
The center department cover of fighting template 72 upper surface is equipped with filter frame 73, the lower surface of fighting template 72 is close to centre of a circle department fixedly connected with toper heating plate 711, the edge fixedly connected with rotary mechanism 74 of fight template 72 lower surface, the upper surface cover of handling storehouse 71 is equipped with the storehouse lid 6, handling storehouse 71 surface is close to storehouse lid 6 department fixedly connected with recovery mechanism 75, toper heating plate 711 is located the center department of ring pipe 79, the top of solenoid valve 5 extends to the inside of handling storehouse 71 and fixed connection, the one end of connecting tube 3 extends to the bottom of coolant tank 2.
Through being provided with pretreatment mechanism 7, the work of circular telegram with second air pump 712 and toper hot plate 711 in advance, with the internal treatment of waste water injection to processing storehouse 71, waste water is filtered to the inside of filter frame 73 through the bucket template 72 water conservancy diversion, can carry out effectual removal to the impurity in the waste water, the waste water after filtering falls on the surface of toper hot plate 711, flow downwards along the surface of toper hot plate 711, the inside of conveyer pipe 76 is carried to the ozone of external world, ozone gets into the inside of C type pipe 78 and annular pipe 79 in proper order, and spout through a plurality of second nozzles 710, the ozone of second nozzle 710 spun blows and contacts with the waste water that toper hot plate 711 surface falls, the ozone can get rid of the reducing substance in the waste water, and when the ozone blows to the waste water, the promotion of air current can slow down the speed that the waste water flows, improve the time that ozone contacted with the waste water, the heat that toper hot plate 711 produced can heat to the waste water simultaneously, improve the inside temperature of processing storehouse 71, the speed that ozone and reducing substance reacted can be accelerated.
As shown in fig. 2-4, the rotating mechanism 74 includes an annular slide rail 741 fixed on the lower surface of the bucket-shaped plate 72 and a first driving motor 744 fixed on one side of the lower surface of the bucket-shaped plate 72, the output end of the first driving motor 744 is fixedly connected with a first gear 745, two slide bars 742 are slidably connected inside the annular slide rail 741, first annular racks 743 are fixedly connected to the outer surfaces of the two slide bars 742, and the bottom of the first annular racks 743 is fixedly connected with the annular tube 79.
The first annular rack 743 and the first gear 745 have the same horizontal height, the first annular rack 743 is engaged with the first gear 745, and the first annular rack 743 has a T-shaped cross section.
The above embodiment can react with the wastewater on the surface of the tapered heating plate 711 by providing the pretreatment mechanism 7, and the temperature generated by the tapered heating plate 711 can accelerate the reaction rate of ozone and wastewater, but the ozone sprayed from the second nozzle 710 must cover the tapered heating plate 711 entirely, so that part of the wastewater cannot contact with ozone.
Through being provided with rotary mechanism 74, when the waste water with ozone and toper heating plate 711 surface contacts, open first driving motor 744 at this moment and drive first gear 745 and rotate, this moment first gear 745 drive rather than intermeshing's first annular rack 743 rotate, drive two slide bars 742 and rotate, two slide bars 742 drive annular pipe 79 and rotate, annular pipe 79 drive a plurality of second nozzles 710 and rotate, annular pipe 79 then rotate round rotary joint 77 around toper heating plate 711, make second nozzle 710 spout ozone to the waste water on toper heating plate 711 surface when rotating, make waste water comprehensive and ozone contact each other, further slow down the flow rate of waste water, thereby increase the time of contact with ozone, and then improve treatment efficiency.
As shown in fig. 5, the recycling mechanism 75 includes a first air pump 751 fixed on the outer surface of the treatment bin 71 near the bin cover 6, the output end of the first air pump 751 is fixedly connected with a first recycling pipe 752, one end of the first recycling pipe 752 is fixedly connected with a collecting cover 753, the output end of the first air pump 751 is fixedly connected with a second recycling pipe 754, the output end of the second recycling pipe 754 is fixedly connected with a flow guiding pipe 755, the outer surface of the flow guiding pipe 755 is fixedly connected with a plurality of air outlet pipes 756, and the outer surface of the air outlet pipe 756 is fixedly provided with a plurality of first nozzles 757.
One end of the first recovery pipe 752 extends to the inside of the process chamber 71, and one end of the second recovery pipe 754 extends to the inside of the evaporation chamber 1.
The above embodiment can make the circumference of the conical heating plate 711 be fully surrounded by ozone by the rotation of the annular tube 79 and the second nozzle 710 by providing the rotation mechanism 74, and the waste water fully contacts with the ozone, but part of ozone in the treatment chamber 71 and water vapor generated by the temperature rise of the conical heating plate 711 are directly discharged to the outside, so that the ozone utilization rate is low.
Through being provided with recovery mechanism 75, open first air pump 751 through first recovery pipe 752 and collect the mutually supporting between the cover 753, can be with the inside ozone suction of handling storehouse 71 to the inside of second recovery pipe 754, and carry the inside to outlet duct 756 through second recovery pipe 754 and honeycomb duct 755, a plurality of first nozzles 757 blowout again, the ozone of blowout recovery can realize the removal of reducing substance again to the inside evaporating waste water of evaporation chamber 1, can not only realize ozone's recycle, can carry out the secondary to reducing substance and harmful substance in the waste water simultaneously.
As shown in fig. 7-9, the heat flow mechanism 8 comprises a fan frame 81 fixed on one side of the upper surface of the evaporation chamber 1 far away from the steam pipe 4, a motor base 82 is fixedly connected to the top of the inner surface of the fan frame 81, a second driving motor 83 is fixedly connected to the bottom of the motor base 82, a fan wheel 85 is fixedly connected to the output end of the second driving motor 83, a heating wire 84 is fixedly connected to the opposite side of the middle of the inner surface of the fan frame 81, a stirring mechanism 86 is fixedly connected to the bottom of the second driving motor 83, and a heating plate 87 is fixedly connected to the bottom in the fan frame 81.
When the wastewater is evaporated, the wastewater is in a static state in the evaporation furnace, and the air flow in the wastewater does not flow, so that the evaporation time is long and the evaporation efficiency is low.
Through being provided with heat flow mechanism 8, waste water gets into the inside of evaporating chamber 1 through solenoid valve 5, when evaporating chamber 1 inside evaporates waste water, open second driving motor 83 and heater strip 84, this moment second driving motor 83 drives fan wheel 85 and carries out high-speed rotation, carry the air current to the inside of evaporating chamber 1, the air current of carrying can improve the flow of the inside air current of evaporating chamber 1, accelerate water evaporation rate, improve work efficiency, and the heat that heater strip 84 work produced can carry out heating treatment to carrying to the inside air current of evaporating chamber 1, can avoid external cold air to cause the reduction to evaporating chamber 1 inside temperature, avoided the influence to evaporation rate.
As shown in fig. 7 and 9, the stirring mechanism 86 includes a connecting shaft 865 fixed at the bottom of the second driving motor 83 and a fixed plate 861 fixed at the inner top of the evaporation chamber 1, the outer surface of the connecting shaft 865 is fixedly connected with a second annular rack 866, the bottom of the fixed plate 861 is rotatably connected with a rotating shaft 864, the top of the outer surface of the rotating shaft 864 is fixedly connected with a second gear 862, and the bottom of the outer surface of the rotating shaft 864 is fixedly connected with four stirring blades 863.
The second gear 862 is positioned at the same level as the second annular rack 866, and the second gear 862 is meshed with the second annular rack 866.
The above embodiment can accelerate the flow of the air flow in the evaporation chamber 1 and increase the evaporation rate by providing the heat flow mechanism 8, but the temperature between the waste water is layered when heating and evaporating because the heating plate 87 is positioned below, which affects the evaporation rate.
Through being provided with rabbling mechanism 86, carry out rotatory work at second driving motor 83, second driving motor 83 drives second annular rack 866 through connecting axle 865 and rotates, second annular rack 866 drives and rotates rather than intermeshing's second gear 862 in step, second gear 862 drives four stirring leaf 863 through axis of rotation 864 and rotates, stir the inside waste water of evaporation chamber 1, make waste water be heated evenly, simultaneously when stirring leaf 863, can break up into the bubble that the ozone of first nozzle 757 spun formed, improve the area of contact of ozone and water, delay the speed that the bubble risen, improve ozone recovery's utilization ratio.
The treatment method of the high COD wastewater treatment equipment, as shown in FIG. 10, comprises the following steps:
S1: the bin cover 6 is opened, waste water to be treated is injected into the treatment bin 71, and the waste water enters the filter frame 73 through the diversion of the bucket-shaped plate 72, so that large particles are filtered;
S2: after the waste water is filtered, the waste water falls on the surface of the conical heating plate 711, and the second air pump 712 is turned on to convey ozone into the annular pipe 79 through the conveying pipe 76 and the C-shaped pipe 78 and is sprayed out through the second nozzle 710;
s3: the rotating mechanism 74 is opened again to drive the annular pipe 79 and the second nozzle 710 to rotate, and ozone sprayed by the second nozzle 710 is in full contact with water flow on the surface of the conical heating plate 711;
S4: the heating wire 84 and the second driving motor 83 are turned on, the fan wheel 85 rotates, and heat of the heating wire 84 is conveyed to the inside of the evaporation chamber 1, so that evaporation efficiency is improved;
S5: the second driving motor 83 drives the connecting shaft 865 to rotate, the stirring blades 863 are enabled to stir in water through transmission, waste water is heated evenly, ozone sprayed out of the first nozzle 757 is stirred, and evaporated water vapor enters the cooling water tank 2 to be cooled and collected.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. The high COD wastewater treatment equipment comprises an evaporation chamber (1), wherein a cooling water tank (2) is fixedly connected to one side of the evaporation chamber (1), a connecting pipeline (3) is fixedly connected to the upper surface of the cooling water tank (2), a steam pipe (4) penetrates through one side of the upper surface of the evaporation chamber (1) and is fixedly connected to one side of the upper surface of the evaporation chamber, and an electromagnetic valve (5) is fixedly connected to the middle of the upper surface of the evaporation chamber (1);
the method is characterized in that: the edge of the upper surface of the evaporation chamber (1) is fixedly connected with a pretreatment mechanism (7), and one side of the upper surface of the evaporation chamber (1) far away from the steam pipe (4) is fixedly connected with a heat flow mechanism (8);
The pretreatment mechanism (7) comprises a treatment bin (71) fixed on the upper surface of the evaporation chamber (1), a bucket-shaped plate (72) is fixedly connected to the inner surface of the treatment bin (71), a second air pump (712) is fixedly connected to the middle position of the outer surface of the treatment bin (71), the output end of the second air pump (712) extends to a conveying pipe (76) fixedly connected to the inside of the treatment bin (71), the outer surface of the conveying pipe (76) is rotationally connected with a rotary joint (77), the top of the rotary joint (77) is rotationally connected with a C-shaped pipe (78), annular pipes (79) are fixedly connected to the two ends of the C-shaped pipe (78), and a plurality of second nozzles (710) are fixedly connected to the outer surface of the annular pipes (79).
2. The high COD wastewater treatment device of claim 1, wherein: the filter frame is sleeved at the center of the upper surface of the bucket-shaped plate (72), a conical heating plate (711) is fixedly connected to the lower surface of the bucket-shaped plate (72) close to the center of the circle, a rotating mechanism (74) is fixedly connected to the edge of the lower surface of the bucket-shaped plate (72), a bin cover (6) is sleeved on the upper surface of the treatment bin (71), a recovery mechanism (75) is fixedly connected to the outer surface of the treatment bin (71) close to the bin cover (6), the conical heating plate (711) is located at the center of the annular tube (79), the top of the electromagnetic valve (5) extends to the inside of the treatment bin (71) and is fixedly connected with the top of the treatment bin, and one end of the connecting pipeline (3) extends to the bottom of the cooling water tank (2).
3. The high COD wastewater treatment device of claim 2, wherein: the rotary mechanism (74) comprises an annular sliding rail (741) fixed on the lower surface of the bucket-shaped plate (72) and a first driving motor (744) fixed on one side of the lower surface of the bucket-shaped plate (72), wherein the output end of the first driving motor (744) is fixedly connected with a first gear (745), the inside of the annular sliding rail (741) is slidably connected with two sliding rods (742), the outer surfaces of the two sliding rods (742) are fixedly connected with a first annular rack (743), and the bottom of the first annular rack (743) is fixedly connected with an annular pipe (79) mutually.
4. A high COD wastewater treatment plant as claimed in claim 3, wherein: the horizontal heights of the first annular racks (743) and the first gears (745) are consistent, the first annular racks (743) are meshed with the first gears (745), and the cross section of the first annular racks (743) is T-shaped.
5. The high COD wastewater treatment device of claim 4, wherein: the recycling mechanism (75) comprises a first air pump (751) fixed on the outer surface of the treatment bin (71) and close to the bin cover (6), the output end of the first air pump (751) is fixedly connected with a first recycling pipe (752), one end of the first recycling pipe (752) is fixedly connected with a collecting cover (753), the output end of the first air pump (751) is fixedly connected with a second recycling pipe (754), the output end of the second recycling pipe (754) is fixedly connected with a guide pipe (755), the outer surface of the guide pipe (755) is fixedly connected with a plurality of air outlet pipes (756), and the outer surface of the air outlet pipes (756) is fixedly provided with a plurality of first nozzles (757).
6. The high COD wastewater treatment device of claim 5, wherein: one end of the first recovery pipe (752) extends to the inside of the treatment bin (71), and one end of the second recovery pipe (754) extends to the inside of the evaporation chamber (1).
7. The high COD wastewater treatment device of claim 6, wherein: the heat flow mechanism (8) comprises a fan frame (81) fixed on one side, far away from the steam pipe (4), of the upper surface of the evaporation chamber (1), a motor base (82) is fixedly connected to the top of the inner surface of the fan frame (81), a second driving motor (83) is fixedly connected to the bottom of the motor base (82), a fan wheel (85) is fixedly connected to the output end of the second driving motor (83), a heating wire (84) is fixedly connected to the opposite side of the middle of the inner surface of the fan frame (81), a stirring mechanism (86) is fixedly connected to the bottom of the second driving motor (83), and a heating plate (87) is fixedly connected to the bottom in the fan frame (81).
8. The high COD wastewater treatment device of claim 7, wherein: the stirring mechanism (86) comprises a connecting shaft (865) fixed at the bottom of the second driving motor (83) and a fixed plate (861) fixed at the inner top of the evaporation chamber (1), a second annular rack (866) is fixedly connected to the outer surface of the connecting shaft (865), a rotating shaft (864) is rotatably connected to the bottom of the fixed plate (861), a second gear (862) is fixedly connected to the top of the outer surface of the rotating shaft (864), and four stirring blades (863) are fixedly connected to the bottom of the outer surface of the rotating shaft (864).
9. The high COD wastewater treatment device of claim 8, wherein: the second gear (862) is positioned at the same height as the second annular rack (866), and the second gear (862) is meshed with the second annular rack (866).
10. A treatment method suitable for the high COD wastewater treatment equipment as claimed in any one of claims 1 to 9, characterized by comprising the steps of:
S1: the bin cover (6) is opened, waste water to be treated is injected into the treatment bin (71), and the waste water enters the filter frame (73) through the diversion of the bucket-shaped plate (72) to filter large particles;
S2: after the waste water is filtered, the waste water falls on the surface of the conical heating plate (711), the second air pump (712) is turned on, ozone is conveyed into the annular pipe (79) through the conveying pipe (76) and the C-shaped pipe (78), and the ozone is sprayed out through the second nozzle (710);
s3: then the rotating mechanism (74) is opened to drive the annular pipe (79) and the second nozzle (710) to rotate, and ozone sprayed by the second nozzle (710) is in full contact with water flow on the surface of the conical heating plate (711);
s4: the heating wire (84) and the second driving motor (83) are turned on, the fan wheel (85) rotates, heat of the heating wire (84) is conveyed to the inside of the evaporation chamber (1), and evaporation efficiency is improved;
S5: the second driving motor (83) drives the connecting shaft (865) to rotate, the stirring blades (863) are enabled to stir in water through transmission, waste water is heated uniformly, and ozone sprayed out of the first nozzle (757) is stirred.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150019682A (en) * | 2013-08-14 | 2015-02-25 | 한준희 | Ozone contact water purification device |
| CN214192936U (en) * | 2020-12-03 | 2021-09-14 | 武汉世纪天源环保技术有限公司 | Efficient and energy-saving medical wastewater biochemical treatment device |
| CN217578588U (en) * | 2022-05-30 | 2022-10-14 | 江苏金润环保工程有限公司 | Low-temperature evaporation and ozone treatment chemical sewage integrated device |
| CN220788318U (en) * | 2023-09-06 | 2024-04-16 | 杭州之江水处理设备有限公司 | Zero wastewater discharge device for pure water system |
| CN118145732A (en) * | 2023-03-28 | 2024-06-07 | 鲁森环保科技集团有限公司 | High-salt wastewater treatment and recovery device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150019682A (en) * | 2013-08-14 | 2015-02-25 | 한준희 | Ozone contact water purification device |
| CN214192936U (en) * | 2020-12-03 | 2021-09-14 | 武汉世纪天源环保技术有限公司 | Efficient and energy-saving medical wastewater biochemical treatment device |
| CN217578588U (en) * | 2022-05-30 | 2022-10-14 | 江苏金润环保工程有限公司 | Low-temperature evaporation and ozone treatment chemical sewage integrated device |
| CN118145732A (en) * | 2023-03-28 | 2024-06-07 | 鲁森环保科技集团有限公司 | High-salt wastewater treatment and recovery device |
| CN220788318U (en) * | 2023-09-06 | 2024-04-16 | 杭州之江水处理设备有限公司 | Zero wastewater discharge device for pure water system |
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