CN213950818U

CN213950818U - Oxidation unit for wastewater treatment

Info

Publication number: CN213950818U
Application number: CN202022178864.6U
Authority: CN
Inventors: 陶健
Original assignee: Yangzhou Youjing Environmental Engineering Co ltd
Current assignee: Yangzhou Youjing Environmental Engineering Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-08-13
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses an oxidation unit for wastewater treatment, including middle pond, elevator pump I, intake flowmeter, line mixer, catalytic oxidation reaction unit, pH adjusting barrel, mixer, elevator pump II, mixer, bag filter, sulphuric acid charge device, hydrogen peroxide solution charge device, liquid caustic soda charge device. Compared with the prior art, the utility model the advantage lie in: can carry out deep purification treatment on the wastewater, has high treatment efficiency and can remove harmful substances in the wastewater.

Description

Oxidation unit for wastewater treatment

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to an oxidation device for wastewater treatment.

Background

With the development of science and technology, the types and the discharge amount of environmental sewage are more and more, the components are more complex and changeable, a plurality of organic matters which are difficult to degrade are contained, and the organic matters have great harm to the environment and the human health, wherein some organic matters have the effects of carcinogenesis, teratogenesis and the like. The related waste water is organic waste water which is difficult to degrade. In recent years, technology for treating refractory organic wastewater has been advanced to a certain extent, and domestic and foreign treatment methods mainly include an anaerobic method, an anoxic denitrification method, a Fenton (Fenton) method, an electrolysis/Fenton method, an ozone catalytic oxidation method and the like, and various wastewater treatment systems are derived from the anaerobic method, the anoxic denitrification method, the Fenton (Fenton) method, the electrolysis/Fenton method, the ozone catalytic oxidation method and the like.

Before the invention is made, the existing method and the device for oxidizing the refractory wastewater have the following problems: the consumption of the medicament is large, the added medicament finally becomes sludge, the sludge is dangerous and cannot be treated by self, and the entrusted treatment cost is too high; the device has poor operation stability and poor adaptability to water quality fluctuation, and the effluent quality is easy to exceed the standard; the device has high energy consumption, and can meet the requirement of the operation of the device only by multi-stage lifting.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide an oxidation unit for waste water treatment, under the prerequisite of guaranteeing high enriched organic waste water of high-efficient processing, reduce investment and running cost, do not produce mud, the operation of system serialization improves a water quality stability.

In order to solve the technical problem, the utility model provides a technical scheme does: an oxidation device for wastewater treatment comprises a middle water tank, a catalytic oxidation reaction device, a pH adjusting barrel, a bag filter, a sulfuric acid medicine storage barrel, a hydrogen peroxide medicine storage barrel and a liquid caustic soda medicine storage barrel, wherein the middle water tank is provided with a first inlet pipe, the other end of the inlet pipe is provided with a first lifting pump, the other end of the lifting pump is provided with a first outlet pipe, a flow meter and a pipeline mixer are arranged in front of the first outlet pipe, a sulfuric acid medicine inlet and a hydrogen peroxide medicine inlet are arranged above the pipeline mixer, a pH meter I is arranged in front of the pipeline mixer, the catalytic oxidation reaction device is arranged in front of the pH meter, an exhaust port is arranged above the catalytic oxidation reaction device, an air inlet, an exhaust port and a manhole are arranged below the catalytic oxidation reaction device, a water inlet is arranged on the left side, a water outlet, a first feed inlet, a first discharge port, a second feed inlet and a second discharge port are arranged on the right side, and an aeration fan is communicated below the catalytic oxidation reaction device, the device comprises a catalytic oxidation reaction device, a pH adjusting barrel, a stirrer, a water inlet pipe II, a lifting pump II, a water outlet pipe III and a pH meter II, wherein the catalytic oxidation reaction device is arranged in front of the pH adjusting barrel, the stirrer is arranged in the pH adjusting barrel, the side surface of the pH adjusting barrel is communicated with the water inlet pipe II, the lifting pump II is connected with the other end of the water inlet pipe II, the lifting pump II is provided with the water outlet pipe III and the pH meter II which are connected with the lifting pump II in front of the.

As an improvement, a sulfuric acid medicine storage barrel is arranged above the middle water tank, a sulfuric acid medicine outlet pipe and a sulfuric acid medicine feeding pump which are connected with the sulfuric acid medicine storage barrel are arranged in front of the sulfuric acid medicine storage barrel, and a sulfuric acid medicine feeding pipe is arranged in front of the sulfuric acid medicine feeding pump.

As an improvement, a hydrogen peroxide feeding pipe is arranged in front of the sulfuric acid feeding pipe, a hydrogen peroxide feeding pump connected with the hydrogen peroxide feeding pipe is arranged in front of the hydrogen peroxide feeding pipe, a hydrogen peroxide discharging pipe connected with the hydrogen peroxide feeding pump is arranged in front of the hydrogen peroxide discharging pipe, a hydrogen peroxide storage barrel is arranged in front of the hydrogen peroxide discharging pipe, a liquid caustic soda feeding pipe is arranged in front of the hydrogen peroxide storage barrel, a liquid caustic soda feeding pump connected with the liquid caustic soda feeding pipe is arranged in front of the liquid caustic soda feeding pipe, a liquid caustic soda discharging pipe connected with the liquid caustic soda feeding pump is arranged in front of the liquid caustic soda feeding pump, and a liquid caustic soda storage barrel is arranged in front of the liquid caustic soda discharging pipe.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses when using, with waste water flowing to middle pond automatically, the buffer memory plays the effect of buffering waste water in middle pond. Waste water in the middle pond is promoted to catalytic oxidation reaction unit through elevator pump one, an export of elevator pump is equipped with the flowmeter of intaking, line mixer and pH meter one, line mixer connects sulphuric acid dosing pipe and hydrogen peroxide solution dosing pipe, catalytic oxidation reaction carries out in catalytic oxidation reactor, the flowmeter of intaking takes notes instantaneous flow and accumulative total flow, through the dose of a numerical value feedback control sulphuric acid of pH meter, line mixer makes and adds the medicine reaction more abundant, complete, make catalytic oxidation reaction also more abundant, complete. The effluent of the catalytic oxidation reactor automatically flows to a pH adjusting barrel, the pH adjusting barrel is provided with a stirrer, liquid caustic soda is added into the pH adjusting barrel to adjust the pH of the effluent, and the dosage of the liquid caustic soda is controlled by two-value feedback of a pH meter. After the pH value is adjusted, the wastewater is lifted to a bag filter by a second lifting pump, the bag filter can intercept impurities with the particle size of less than 5 mu m, the content of suspended substances in the wastewater is reduced, and the effluent of the bag filter reaches the standard and is discharged.

The improved device can efficiently and continuously treat high-concentration organic wastewater, does not produce sludge and secondary pollution in the process of treating the high-concentration organic wastewater, and has low early investment and low operation cost.

Drawings

Fig. 1 is a schematic structural diagram of an oxidation device for wastewater treatment of the utility model.

As shown in the figure: 1. a middle water tank, 2, a first lifting pump, 3, a flow meter, 4, a sulfuric acid medicine inlet, 5, a hydrogen peroxide medicine inlet, 6, a pipeline mixer, 7, a first pH meter, 8, a catalytic oxidation reaction device, 9, an aeration fan, 10, a water outlet, 11, a first inlet, 12, a first outlet, 13, a second inlet, 14, a second outlet, 15, an air inlet, 16, a water inlet, 17, an exhaust port, 18, a manhole, 19, a pH adjusting barrel, 20, a stirrer, 21, a second lifting pump, 22, a second pH meter, 23, a bag filter, 24, a sulfuric acid medicine storage barrel, 25, a sulfuric acid medicine adding pump, 26, a hydrogen peroxide medicine adding pump, 27, a hydrogen peroxide medicine storage barrel, 28, a liquid alkali medicine adding pump, 29, a liquid alkali medicine storage barrel, 30, a sulfuric acid medicine adding pipe, 31, a hydrogen peroxide medicine adding pipe, 32, a liquid alkali medicine adding pipe, 33, a first inlet pipe, 34, a first outlet pipe, 35 and a second outlet pipe, 36. a second water inlet pipe, 37, a third water outlet pipe, 38, a fourth water outlet pipe, 39, an aeration pipe, 40, a sulfuric acid medicine outlet pipe, 41, a hydrogen peroxide medicine outlet pipe, 42, a liquid caustic soda medicine outlet pipe, 43 and an exhaust port.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.

Combine figure 1, an oxidation unit for waste water treatment, including middle pond 1, catalytic oxidation reaction unit 8, pH adjusting barrel 19, bag filter 23, sulphuric acid storage bucket 24, hydrogen peroxide solution storage bucket 27, liquid caustic soda storage bucket 29, middle pond 1 is equipped with inlet tube 33, inlet tube 33 the place ahead is equipped with elevator pump 2, 2 the place ahead of elevator pump is equipped with outlet pipe 34, outlet pipe 34 the place ahead is equipped with pipe-line mixer 6, pipe-line mixer 6 top is equipped with sulphuric acid and advances medicine mouth 4 and hydrogen peroxide solution and advances medicine mouth 5, pipe-line mixer the place ahead is equipped with pH meter 7, pH meter 7 the place ahead is equipped with catalytic oxidation reaction unit 8, catalytic oxidation reaction unit 8 top is equipped with gas vent 43, and the below is equipped with air inlet 15, evacuation mouth 17 and manhole 18, and the left side is equipped with the water inlet, and the right is equipped with delivery port 10, The device comprises a first feeding hole 11, a first discharging hole 12, a second feeding hole 13 and a second discharging hole 14, wherein organic matter adsorption-catalytic oxidation functional materials are arranged inside the device, an aeration fan 9 is communicated below a catalytic oxidation reaction device 8, a pH adjusting barrel 19 is arranged in front of the catalytic oxidation reaction device 8, a stirrer 20 is arranged in the pH adjusting barrel 19, a second lifting pump 21 connected with a second water inlet pipe 36 is arranged at a water outlet, a third water outlet pipe 37 and a second pH meter 22 connected with the second lifting pump 21 are arranged in front of the second lifting pump 21, a bag filter 23 is arranged in front of the third water outlet pipe 37, and a fourth water outlet pipe 38 connected with the fourth water outlet pipe is arranged in front of the bag filter 23.

A sulfuric acid medicine storage barrel 24 is arranged above the middle water tank 1, a sulfuric acid medicine outlet pipe 40 and a sulfuric acid medicine adding pump 25 which are connected with the sulfuric acid medicine storage barrel 24 are arranged in front of the sulfuric acid medicine storage barrel 24, and a sulfuric acid medicine adding pipe 30 is arranged in front of the sulfuric acid medicine adding pump 25.

The hydrogen peroxide solution dosing device is characterized in that a hydrogen peroxide solution dosing pipe 31 is arranged in front of the sulfuric acid dosing pipe 30, a hydrogen peroxide solution dosing pump 26 connected with the hydrogen peroxide solution dosing pipe 31 is arranged in front of the hydrogen peroxide solution dosing pipe 31, a hydrogen peroxide solution outlet pipe 41 connected with the hydrogen peroxide solution dosing pump 26 is arranged in front of the hydrogen peroxide solution dosing pump 26, a hydrogen peroxide solution storage barrel 27 is arranged in front of the hydrogen peroxide solution outlet pipe 41, a liquid caustic soda dosing pipe 32 is arranged in front of the hydrogen peroxide solution storage barrel 27, a liquid caustic soda dosing pump 28 connected with the liquid caustic soda dosing pipe 32 is arranged in front of the liquid caustic soda dosing pipe 32, a liquid caustic soda solution outlet pipe 42 connected with the liquid caustic soda dosing pump 28 is arranged in front of the liquid caustic soda dosing pump 28, and a liquid caustic soda storage barrel 29 is arranged in front of the liquid caustic soda solution outlet pipe 42.

The utility model discloses when concrete implementation, with waste water flowing to middle pond 1 automatically, the buffer memory plays the effect of buffering waste water at middle pond 1. Waste water in the middle water tank 1 is lifted to a catalytic oxidation reaction device 8 through a first lifting pump 2, a flow meter 3 is arranged at the outlet of the first lifting pump 2, a pipeline mixer 6 and a pH meter 7 are arranged, the pipeline mixer 6 is connected with a sulfuric acid dosing pipe 30 and a hydrogen peroxide dosing pipe 31, catalytic oxidation reaction is carried out in the catalytic oxidation reaction device 8, an organic matter adsorption-catalytic oxidation functional material is arranged inside the catalytic oxidation reaction device, an inlet water flow meter records instantaneous flow and accumulated flow, the dosing amount of sulfuric acid is controlled through the numerical value feedback of the pH meter 7, the pipeline mixer 6 enables dosing reaction to be more sufficient and complete, and the catalytic oxidation reaction is also more sufficient and complete. Effluent of the catalytic oxidation reaction device 8 automatically flows to a pH adjusting barrel 19, the pH adjusting barrel 19 is provided with a stirrer 20, liquid caustic soda is added into the pH adjusting barrel 19 to adjust the pH of the effluent, and the dosage of the liquid caustic soda is controlled through numerical feedback of a pH meter II 22. After the pH value is adjusted, the wastewater is lifted to a bag filter 23 through a second lifting pump 21, impurities with the particle size of less than 5 mu m can be intercepted by the bag filter 23, the content of suspended matters in the wastewater is reduced, and the effluent of the bag filter 23 reaches the standard and is discharged.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. An oxidation device for wastewater treatment, characterized in that: comprises an intermediate water tank (1), a catalytic oxidation reaction device (8), a pH adjusting barrel (19), a bag filter (23), a sulfuric acid medicine storage barrel (24), a hydrogen peroxide solution medicine storage barrel (27) and a liquid caustic soda medicine storage barrel (29), wherein the intermediate water tank (1) is provided with a first water inlet pipe (33), the other end of the first water inlet pipe (33) is provided with a first lift pump (2), the other end of the first lift pump (2) is provided with a first water outlet pipe (34), a flow meter (3) and a pipeline mixer (6) are arranged in front of the first water outlet pipe (34), a sulfuric acid medicine inlet (4) and a hydrogen peroxide solution medicine inlet (5) are arranged above the pipeline mixer (6), a pH meter (7) is arranged in front of the pipeline mixer (6), the catalytic oxidation reaction device (8) is arranged in front of the pH meter (7), and an exhaust port (43) is arranged above the catalytic oxidation reaction device (8), an air inlet (15), an evacuation port (17) and a manhole (18) are arranged below the water inlet, a water inlet (16) is arranged on the left side, a water outlet (10), a first feed inlet (11), a first discharge outlet (12), a second feed inlet (13) and a second discharge outlet (14) are arranged on the right side, an aeration fan (9) is communicated below the catalytic oxidation reaction device (8), a pH adjusting barrel (19) is arranged in front of the catalytic oxidation reaction device (8), a stirrer (20) is arranged in the pH adjusting barrel (19), a second water inlet pipe (36) is communicated with the side surface of the pH adjusting barrel (19), a second lifting pump (21) is connected with the other end of the second water inlet pipe (36), a third water outlet pipe (37) and a second pH meter (22) which are connected with the second lift pump (21) are arranged in front of the second lift pump, a bag filter (23) is arranged in front of the third water outlet pipe (37), and a fourth water outlet pipe (38) connected with the bag filter (23) is arranged in front of the bag filter (23).

2. An oxidation unit for wastewater treatment according to claim 1, characterized in that: a sulfuric acid medicine storage barrel (24) is arranged above the middle water tank (1), a sulfuric acid medicine outlet pipe (40) and a sulfuric acid medicine feeding pump (25) which are connected with the sulfuric acid medicine storage barrel (24) are arranged in front of the sulfuric acid medicine storage barrel (24), and a sulfuric acid medicine feeding pipe (30) is arranged in front of the sulfuric acid medicine feeding pump (25).

3. An oxidizing apparatus for treating waste water according to claim 2, characterized in that: sulphuric acid dosing pipe (30) the place ahead is equipped with hydrogen peroxide solution dosing pipe (31), hydrogen peroxide solution dosing pipe (31) the place ahead is equipped with hydrogen peroxide solution dosing pump (26) that links to each other with it, hydrogen peroxide solution dosing pump (26) the place ahead is equipped with hydrogen peroxide solution play pencil (41) that links to each other with it, hydrogen peroxide solution goes out pencil (41) the place ahead and is equipped with hydrogen peroxide solution storage barrel (27), hydrogen peroxide solution storage barrel (27) the place ahead is equipped with liquid caustic soda dosing pipe (32), liquid caustic soda dosing pipe (32) the place ahead is equipped with liquid caustic soda dosing pump (28) that link to each other with it, liquid caustic soda dosing pump (28) the place ahead is equipped with liquid caustic soda play pencil (42) that links to each other with it, liquid caustic soda goes out pencil (42) the place ahead and is equipped with liquid caustic soda storage barrel (29).