Device for catalyzing ozone to oxidize organic wastewater

Abstract

The utility model discloses a device for catalytic ozonation of organic wastewater, which relates to the technical field of organic wastewater treatment and comprises a water tank, an organic glass reactor is arranged on one side of the water tank, a spray header extending to the outer side is arranged at the top end in the organic glass reactor, an ozone generator is arranged below the water tank, and an ozone generator is arranged below the ozone generator. A base frame extending to the outer side of the water tank is arranged in the organic glass reactor, a plurality of groups of solid catalysts are arranged at the top end of the base frame, a microporous sieve plate fixed with the inner wall of the organic glass reactor is arranged below the base frame, one side of the organic glass reactor is connected with an electronic condenser, and the other side of the organic glass reactor is connected with the water tank. And the end part of the electronic condenser is connected with a drainer. According to the device for catalytic ozonation of the organic wastewater, the wastewater circulating outlet and the sampling port are formed in the organic glass reactor, the content of organic matters in the wastewater is monitored in real time, dynamic treatment of the organic wastewater is realized, and the purpose of effectively degrading the organic matters is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of organic wastewater treatment, in particular to a device for catalyzing ozone oxidation of organic wastewater. Background Art

[0002] Organic wastewater is wastewater primarily composed of organic pollutants. It can easily cause eutrophication and pose significant risks. Organic wastewater generally refers to wastewater with a concentration of more than 2000 mg / L discharged from industries such as papermaking, leather, and food.

[0003] Wastewater generated by factories must undergo catalytic treatment before discharge, and existing catalytic technology still has the following shortcomings:

[0004] 1. In traditional catalytic oxidation treatment devices, the catalyst, organic wastewater and ozone cannot be effectively contacted, resulting in low ozone utilization efficiency, slow reaction speed and low degradation efficiency;

[0005] 2. Due to the volume limitation of ozone catalytic oxidation equipment, some refractory organic matter cannot be completely catalytically degraded in a short period of time. The existing technology has not achieved true continuous dynamic treatment.

[0006] 3. In the prior art ozone catalytic devices, the unreacted ozone is generally discharged directly or absorbed by an absorption liquid, which may cause secondary pollution to the atmosphere or water. Utility Model Content

[0007] Based on this, the purpose of the present invention is to provide a catalytic ozone oxidation device for organic wastewater to solve the technical problems raised in the above background.

[0008] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a catalytic ozone oxidation device for organic wastewater, comprising a water tank, a plexiglass reactor provided on one side of the water tank, a spray head extending to the outside provided at the top of the interior of the plexiglass reactor, an ozone generator provided below the water tank, a base frame extending to the outside of the water tank provided inside the plexiglass reactor, a plurality of groups of solid catalysts provided at the top of the base frame, a microporous sieve plate fixed to the inner wall of the plexiglass reactor provided below the base frame, an electronic condenser connected to one side of the plexiglass reactor, a drainer connected to the end of the electronic condenser, a dryer connected to the bottom end of the drainer, a circulation pipe connected to the ozone generator provided at the end of the dryer, an ozone detector connected to the outer wall of the ozone generator located above the reactor base, and a sampling port provided on the outer wall of the plexiglass reactor located below the exhaust gas outlet.

[0009] By adopting the above technical solution, the catalyst is first fully contacted with ozone to form good reaction conditions, and then reacts with organic wastewater to effectively improve the catalytic efficiency; the content of organic matter in the wastewater is monitored in real time, and dynamic treatment of organic wastewater is achieved to achieve the purpose of effective degradation of organic matter, and the ozone tail gas is recycled to avoid direct discharge and environmental pollution.

[0010] The utility model is further configured such that one end of the ozone detector is provided with a gas flow meter connected to the bottom end of the organic glass reactor.

[0011] By adopting the above technical solution, the rate at which the ozone generator produces ozone can be detected, and the dynamics of wastewater treatment can be monitored at all times.

[0012] The utility model is further configured such that a circulation pump is connected to one side of the water tank, an output end of the circulation pump is connected to a flow meter, and an end of the flow meter is connected to the sprinkler head.

[0013] By adopting the above technical solution, organic wastewater and catalyst are continuously squeezed out to improve the efficiency of catalysis.

[0014] The utility model is further configured such that a reactor base is fixed to the bottom end of the organic glass reactor, and an anti-slip pad is fixed to the bottom end of the reactor base.

[0015] By adopting the above technical solution, the stability of the organic glass reactor is increased to avoid sliding during operation.

[0016] The utility model is further configured such that another outer wall of the organic glass reactor is provided with a circulation outlet connected to the water tank.

[0017] By adopting the above technical solution, the organic wastewater is circulated into the water tank and continuously catalyzes the reaction with the catalyst.

[0018] In summary, the present invention has the following beneficial effects:

[0019] 1. This patent adopts the technical method of countercurrent flushing of organic wastewater and ozone-catalyst, allowing the catalyst to fully contact with ozone first to form good reaction conditions, and then react with organic wastewater to effectively improve the catalytic efficiency.

[0020] 2. This patent discloses a catalytic ozone oxidation device for organic wastewater. A wastewater circulation outlet and a sampling port are set on the organic glass reactor to monitor the content of organic matter in the wastewater in real time, realize dynamic treatment of organic wastewater, and achieve the purpose of effective degradation of organic matter.

[0021] 3. In the patented catalytic ozone oxidation device for organic wastewater, the unreacted ozone is condensed, dehydrated and dried by an electronic condenser, and then enters the ozone generator to continue to participate in the ozone production process, thereby realizing the recycling of ozone tail gas and avoiding direct discharge to cause environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of the utility model;

[0023] Figure 2 It is a side view of the utility model;

[0024] Figure 3 It is a partial view of the present utility model.

[0025] In the figure: 1. Water tank; 2. Circulation pump; 3. Flow meter; 4. Sprinkler head; 5. Exhaust gas outlet; 6. Sampling port; 7. Circulation outlet; 8. Solid catalyst; 9. Organic glass reactor; 10. Microporous sieve plate; 11. Reactor base; 12. Gas flow meter; 13. Ozone detector; 14. Ozone generator; 15. Electronic condenser; 16. Drainer; 17. Dryer; 18. Circulation pipe; 19. Base frame. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] The following describes an embodiment of the present invention based on its overall structure.

[0028] A catalytic ozone oxidation device for organic wastewater, such as Figure 1-3As shown, it includes a water tank 1, a plexiglass reactor 9 is provided on one side of the water tank 1, a spray head 4 extending to the outside is provided on the top of the inner part of the plexiglass reactor 9, a circulation pump 2 is connected to one side of the water tank 1, and a flow meter 3 is connected to the output end of the circulation pump 2, and the end of the flow meter 3 is connected to the spray head 4. An ozone generator 14 is provided below the water tank 1, and a base frame 19 extending to the outside of the water tank 1 is provided inside the plexiglass reactor 9. A plurality of groups of solid catalysts 8 are provided on the top of the base frame 19, and a microporous sieve plate 10 fixed to the inner wall of the plexiglass reactor 9 is provided below the base frame 19. One side of the plexiglass reactor 9 is connected to the output end of the circulation pump 2. A flow meter 3 is connected to the end of the flow meter 3 and the spray head 4. An ozone generator 14 is provided below the water tank 1, and a base frame 19 extending to the outside of the water tank 1 is provided inside the plexiglass reactor 9. A plurality of groups of solid catalysts 8 are provided on the top of the base frame 19, and a microporous sieve plate 10 fixed to the inner wall of the plexiglass reactor 9 is provided below the base frame 19. The side of the reactor is connected to an electronic condenser 15, the end of the electronic condenser 15 is connected to a drainer 16, the bottom end of the drainer 16 is connected to a dryer 17, the end of the dryer 17 is provided with a circulation pipe 18 connected to the ozone generator 14, the outer wall of the ozone generator 14 is located above the reactor base 11 and is connected to an ozone detector 13, one end of the ozone detector 13 is provided with a gas flow meter 12 connected to the bottom end of the organic glass reactor 9, the outer wall of the organic glass reactor 9 is located below the exhaust gas outlet 5 and is provided with a sampling port 6, and the other outer wall of the organic glass reactor 9 is provided with a circulation outlet 7 connected to the water tank 1.

[0029] See also Figure 1 The bottom end of the organic glass reactor 9 is fixed with a reactor base 11, and the bottom end of the reactor base 11 is fixed with an anti-slip pad to increase the friction coefficient between the bottom end of the organic glass reactor 9 and the ground to prevent the organic glass reactor 9 from sliding and affecting the work.

[0030] The working principle of the present invention is as follows: the ozone generator 14 produces ozone and drives the ozone into the ozone detector 13, and then passes into the bottom of the organic glass reactor 9, and is aerated through the microporous sieve plate 10. The solid catalyst 8 is loaded into a certain volume bed in the reactor. The circulating pump 2 extracts the wastewater inside the water tank 1 and enters the organic glass reactor 9 through the flow meter 3. The organic wastewater is finally sprayed through the spray head 4, so that the ozone and the wastewater are in countercurrent contact. Under the action of the solid catalyst 8, a catalytic oxidation reaction occurs; and the unreacted ozone tail gas is discharged through the ozone tail gas outlet 5, and the moisture inside the ozone is discharged through the electronic condenser 15, the drainer 16 and the dryer 17, and then enters the ozone generator 14 again for recycling; sampling is taken through the sampling port 6 to monitor the characteristic organic matter in the organic wastewater in the organic glass reactor 9. At the same time, the wastewater in the organic glass reactor 9 enters the water tank 1 through the circulation outlet 7, and the wastewater circulation begins.

[0031] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A catalytic ozone oxidation device for organic wastewater, comprising a water tank (1), characterized in that: A polymethyl methacrylate reactor (9) is provided on one side of the water tank (1), a spray head (4) extending to the outside is provided on the top of the interior of the polymethyl methacrylate reactor (9), an ozone generator (14) is provided below the water tank (1), a base frame (19) extending to the outside of the water tank (1) is provided inside the polymethyl methacrylate reactor (9), a plurality of groups of solid catalysts (8) are provided on the top of the base frame (19), a microporous sieve plate (10) fixed to the inner wall of the polymethyl methacrylate reactor (9) is provided below the base frame (19), and the polymethyl methacrylate reactor (9) is provided with a plurality of groups of solid catalysts (8) on the top of the base frame (19), and a microporous sieve plate (10) fixed to the inner wall of the polymethyl methacrylate reactor (9) is provided below the base frame (19). One side of the reactor (9) is connected to an electronic condenser (15), the end of the electronic condenser (15) is connected to a drainer (16), the bottom of the drainer (16) is connected to a dryer (17), the end of the dryer (17) is provided with a circulation pipe (18) connected to the ozone generator (14), the outer wall of the ozone generator (14) is located above the reactor base (11) and is connected to an ozone detector (13), and the outer wall of the organic glass reactor (9) is located below the tail gas outlet (5) and is provided with a sampling port (6).

2. The catalytic ozone oxidation device for organic wastewater according to claim 1, characterized in that: One end of the ozone detector (13) is provided with a gas flow meter (12) connected to the bottom end of the organic glass reactor (9).

3. The catalytic ozone oxidation device for organic wastewater according to claim 1, characterized in that: A circulation pump (2) is connected to one side of the water tank (1), an output end of the circulation pump (2) is connected to a flow meter (3), and an end of the flow meter (3) is connected to a spray head (4).

4. The catalytic ozone oxidation device for organic wastewater according to claim 1, characterized in that: A reactor base (11) is fixed to the bottom end of the organic glass reactor (9), and an anti-slip pad is fixed to the bottom end of the reactor base (11).

5. The catalytic ozone oxidation device for organic wastewater according to claim 1, characterized in that: Another outer wall of the organic glass reactor (9) is provided with a circulation outlet (7) connected to the water tank (1).

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