CN215102730U - Cracking reduction sewage treatment equipment - Google Patents

Abstract

The utility model provides a cracking reduction sewage treatment device, which comprises a biochemical tank, a pump, a sedimentation tank, a flowmeter, a cracking device, a purification device and a water outlet tank; the biochemical tank is connected with the sedimentation tank, the sedimentation tank is connected with the cracking device, the cracking device is connected with the purification device, the purification device is connected with the water outlet tank, the flowmeter is arranged between the sedimentation tank and the cracking device, and the pump is connected with the biochemical tank, the sedimentation tank, the cracking device, the purification device and the water outlet tank; organic matter, heavy metal ion, colourity in can effectual getting rid of waste water carry out the ring-opening chain scission to cyclic annular and long chain macromolecule organic matter, explain poisonous functional group to poisonous harmful organic pollutant, improve industrial waste water's biodegradability, in the use, can be stable for a long time and high-efficient operation.

Description

Cracking reduction sewage treatment equipment

Technical Field

The utility model relates to an environmental protection field, concretely relates to schizolysis reduction sewage treatment device.

Background

With the development of industry, new problems arise in water treatment and water pollution control. As the industrial wastewater has some pollutants (such as suspended matters, toxic organic matters, heavy metal ion hydrates, organic macromolecules and the like) which are not easy to treat. Meanwhile, in order to protect the environment and water resources and reuse the treated polluted water, the environmental protection department sets up strict standards. In many cases, industrial wastewater must be subjected to three-stage advanced treatment to meet the requirements of water pollution treatment and wastewater reuse. Therefore, it is necessary to develop a pyrolysis reduction sewage treatment apparatus.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem, provide schizolysis reduction sewage treatment device, organic matter, heavy metal ion, colourity in can effectually getting rid of waste water carry out the ring-opening chain scission to cyclic annular and long chain macromolecule organic matter, explain poisonous functional group to poisonous and harmful organic pollutant, improve industrial waste water's biodegradability, in the use, can stable and high-efficient operation for a long time.

In order to achieve the purpose, the utility model adopts the following technical scheme.

The cracking reduction sewage treatment equipment comprises a biochemical tank, a pump, a sedimentation tank, a flowmeter, a cracking device, a purification device and a water outlet tank; the biochemical pond with the sedimentation tank is connected, the sedimentation tank with the cracker is connected, the cracker with purifier connects, purifier with go out the water pond and connect, the flowmeter sets up the sedimentation tank with between the cracker, the pump with biochemical pond, the sedimentation tank, the cracker, purifier with go out the water pond and connect.

Further, activated sludge is arranged in the biochemical tank.

Further, the sedimentation tank is of a U-shaped structure, and a sludge transfer device is arranged in the middle of the sedimentation tank.

Furthermore, the sedimentation tank is close to biochemical pond one side is provided with the grid, the sedimentation tank is kept away from biochemical pond one side is provided with the filter screen.

Furthermore, the cracking device comprises a cathode titanium plate, an anode titanium plate, cracking filler and an aeration head.

Furthermore, the cracking filler adopts carbon and scrap iron, and the scrap iron and the carbon are synthesized together through high-temperature processing.

Further, the shape of the cracking filler is spherical or strip-shaped.

Further, the cracking filler has a honeycomb structure.

Further, the porosity of the cracking filler is more than 50%.

Furthermore, activated carbon is arranged in the purification device.

The utility model discloses cracking reduction sewage treatment device's positive effect is:

the utility model discloses organic matter, heavy metal ion, colourity in can effectually getting rid of waste water carry out the ring-opening chain scission to cyclic annular and long chain macromolecule organic matter, explain poisonous functional group to poisonous harmful organic pollutant, improve industrial waste water's biodegradability, in the use, can be stable for a long time and high-efficient operation.

Drawings

Fig. 1 is a schematic diagram provided by an embodiment of the present invention.

The reference numerals in the figures are respectively:

1. a biochemical pool; 2. a pump; 3. a sedimentation tank; 4. a flow meter; 5. a cracking unit; 6. a purification device; 7. a water outlet pool; 8. a sludge transfer device; 9. a grid; 10. filtering with a screen; 11. a cathode titanium plate; 12. an anode titanium plate; 13. cracking packing; 14. an aeration head; 15. activated carbon.

Detailed Description

The following detailed embodiments of the cracking reduction sewage treatment device of the present invention are given in conjunction with the accompanying drawings, but it should be pointed out that: the described embodiments are not intended to limit the practice of the invention. All adopt the utility model discloses a similar structure and similar change all should go into the utility model discloses a protection scope. The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the embodiments, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.

See fig. 1. The cracking reduction sewage treatment equipment comprises a biochemical tank 1, a pump 2, a sedimentation tank 3, a flow meter 4, a cracking device 5, a purification device 6 and a water outlet tank 7; biochemical pond 1 with sedimentation tank 3 is connected, sedimentation tank 3 with cracker 5 is connected, cracker 5 with purifier 6 is connected, purifier 6 with play pond 7 is connected, flowmeter 4 sets up sedimentation tank 3 with between cracker 5, pump 2 with biochemical pond 1, sedimentation tank 3 cracker 5 purifier 6 with play pond 7 is connected, pump 2 provides power and extracts sewage from a device to another device. The flow meter 4 can monitor the flow rate of the sewage from the settling tank 3 into the cracking device 5. And the purification device 6 is internally provided with activated carbon 15 for further adsorbing and cleaning sewage from the cracking device 5.

The biochemical pool 1 is internally provided with activated sludge which can remove dissolved organic matters in sewage and adsorb suspended solids and a part of phosphorus and nitrogen. The sedimentation tank 3 is of a U-shaped structure, and a sludge transfer device 8 is arranged in the middle of the sedimentation tank 3. The sedimentation tank 3 separates the part with higher density from the wastewater, the part with higher density can be settled at the bottom of the sedimentation tank 3 under the action of gravity, and the sludge transfer device 8 can transfer the part with higher density settled at the bottom to the biochemical tank 1 again.

The sedimentation tank 3 is close to biochemical pond 1 one side is provided with grid 9, sedimentation tank 3 keeps away from biochemical pond 1 one side is provided with filter screen 10. The distance between the bars of the grid 9 is 18-22 mm, and in the embodiment, the distance between the bars of the grid 9 is 18 mm. The sedimentation tank 3 is close to biochemical pond 1 one side is provided with two-layer grid 9, and the inclination of grid 9 and sedimentation tank 3 is 65 degrees. The grating 9 is mainly used to screen larger contaminants. And a multilayer filter screen 10 is arranged on one side of the sedimentation tank 3, which is far away from the biochemical tank 1, and is a large-aperture filter screen 10, a medium-aperture filter screen 10 and a small-aperture filter screen 10 respectively. The screen 10 may further filter the sewage transferred from the settling tank 3 to the cracking device 5.

The cracking device 5 comprises a cathode titanium plate 11, an anode titanium plate 12, cracking filler 13 and an aeration head 14, wherein the aeration head 14 can be connected with a compressed air machine or a compressed air interface. The cracking filler 13 is made of carbon and scrap iron, and the scrap iron and the carbon are combined together through high-temperature processing, so that the cracking filler 13 can be effectively prevented from being hardened, and can bear stronger water pressure. The appearance of cracking filler 13 is spherical or bar, cracking filler 13 is honeycomb structure, and the honeycomb structure can inhale waste water fast, makes waste water react in the honeycomb structure, has improved reaction efficiency. The porosity of the cracking filler 13 is more than 50%, and the particle size of the cracking filler 13 is 19 +/-0.5 mm. Bulk density of the cracking packing 13: 0.8 to 1.0t/m 3. The annual consumption rate of the cracking filler 13 is about 10%, and the service life is more than ten years.

The cracking filler 13 can generate 1.2V potential difference to carry out electrochemical treatment on the wastewater, so as to generate redox reaction and achieve the purpose of degrading organic pollution. The cracking packing 13 is capable of undergoing redox reactions with many components in the wastewater: reducing hexavalent chromium into trivalent chromium, and performing precipitation separation; reducing heavy metal (such as mercury and copper) ions into simple substances, and precipitating and separating; precipitating and separating inorganic anions (such as S2-ions); reducing nitro (benzene) into amino (aniline), reducing biotoxicity and improving biodegradability; oxidizing-reducing conjugated colored group (such as azo colored group or color assisting group) to degrade and decolor chromophoric group; the ring-opening and chain-breaking degradation of long-chain or cyclic macromolecular organic matters are realized, and the biodegradability of the wastewater is improved. After the wastewater is treated by the cracking filler 13, hydroxide formed by effluent under the condition of adjusting the pH value of 8-9 is a good flocculating agent. Has strong adsorption-flocculation effect, and residual suspended matters, toxic organic matters, heavy metal ion hydrates and organic macromolecules dispersed in the wastewater can be adsorbed, flocculated, precipitated and separated.

The sewage treatment equipment by cracking reduction has high efficiency, no hardening, low sludge production and low operation cost. The efficiency is greater than the fenton oxidation capacity, the operating cost is fenton 1/3, and the sludge yield is fenton 1/3. The sewage treatment is completed through the combined action of electrochemical oxidation, reduction reaction, physical and chemical adsorption and flocculation precipitation.

Claims (9)

1. The cracking reduction sewage treatment equipment is characterized by comprising a biochemical tank, a pump, a sedimentation tank, a flow meter, a cracking device, a purification device and a water outlet tank; the biochemical pond with the sedimentation tank is connected, the sedimentation tank with the cracker is connected, the cracker with purifier connects, purifier with go out the water pond and connect, the flowmeter sets up the sedimentation tank with between the cracker, the pump with biochemical pond, the sedimentation tank, the cracker, purifier with go out the water pond and connect.

2. The apparatus for treating pyrolysis-reduction sewage according to claim 1, wherein activated sludge is provided in the biochemical tank.

3. The apparatus for treating pyrolysis reduction sewage according to claim 1, wherein the sedimentation tank has a "U" shape, and a sludge transfer device is disposed at a middle position of the sedimentation tank.

4. The apparatus of claim 1, wherein a grate is disposed on a side of the sedimentation tank close to the biochemical tank, and a filter screen is disposed on a side of the sedimentation tank far from the biochemical tank.

5. The apparatus of claim 1, wherein the cracking device comprises a cathode titanium plate, an anode titanium plate, a cracking filler, and an aerator.

6. The apparatus for treating pyrolysis-reduction sewage according to claim 5, wherein the pyrolysis filler has a spherical or strip shape.

7. The apparatus for treating pyrolysis-reduction sewage according to claim 6, wherein the pyrolysis filler has a honeycomb structure.

8. The apparatus for treating pyrolysis reduction sewage according to claim 7, wherein the porosity of the pyrolysis filler is more than 50%.

9. The apparatus for treating pyrolysis-reduction wastewater according to claim 1, wherein activated carbon is provided in the purification device.

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