CN211688756U - Device for treating excess sludge by combining high-pressure homogenization with microbial electrolysis cell - Google Patents
Device for treating excess sludge by combining high-pressure homogenization with microbial electrolysis cell Download PDFInfo
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- CN211688756U CN211688756U CN201922280851.7U CN201922280851U CN211688756U CN 211688756 U CN211688756 U CN 211688756U CN 201922280851 U CN201922280851 U CN 201922280851U CN 211688756 U CN211688756 U CN 211688756U
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Abstract
The utility model relates to a device for treating excess sludge by combining a high-pressure homogenizing microorganism electrolytic tank. The device comprises a high-pressure homogenizer and a microbial electrolysis cell, wherein a regulating tank is arranged between the high-pressure homogenizer and the microbial electrolysis cell, and the microbial electrolysis cell comprises an anode chamber and a cathode chamber; an anode electrode is arranged in the anode chamber, a cathode electrode is arranged in the cathode chamber, and the anode electrode and the cathode electrode are connected with an external circuit through an electric lead; a proton exchange membrane is arranged between the anode cavity and the cathode cavity, a layer of carbon felt is arranged between the proton exchange membrane and the anode electrode, and an air diffusion layer is arranged in the cathode cavity. The utility model discloses combine high-efficient excess sludge of high-pressure homogeneity to explain technique and the high-efficient fermentation technique of microbial electrolysis pond, realize that excess sludge's furthest handles and deals with and resource utilization, the device is simple, and maneuverability is strong.
Description
Technical Field
The utility model relates to a sludge treatment and hydrogen peroxide solution apparatus for producing especially relate to a device that microorganism electrolytic cell was jointly handled surplus sludge to high pressure homogeneity.
Background
The hydrogen peroxide is a strong oxidant, can be used for disinfection, odor control, oxidation elimination of difficultly-degraded pollutants and the like of municipal sewage treatment plants, and currently, over 95 percent of hydrogen peroxide production all over the world is prepared by chemical synthesis (mainly anthraquinone chemical synthesis) and an electrolytic method, but the two production processes belong to high energy consumption processes, the required energy reaches 4.4-8.9 K.Wh/kg, and a large amount of fossil fuel is consumed, and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device that microorganism electrolytic cell was jointly handled surplus sludge is united to high pressure homogeneity to solve prior art's not enough.
The technical scheme of the utility model is that: a device for treating excess sludge by combining a high-pressure homogenizing device with a microbial electrolytic cell comprises a high-pressure homogenizing machine and the microbial electrolytic cell, wherein a regulating tank is arranged between the high-pressure homogenizing machine and the microbial electrolytic cell, and the lower part of the regulating tank is provided with a connecting pipe and a peristaltic pump which are communicated to the microbial electrolytic cell;
the microbial electrolysis cell comprises an anode chamber and a cathode chamber, wherein the lower part of the anode chamber is provided with a sample inlet, the upper part of the anode chamber is provided with a sample outlet, the lower part of the cathode chamber is provided with a water inlet, and the upper part of the cathode chamber is provided with a water outlet;
an anode electrode is arranged in the anode chamber, a cathode electrode is arranged in the cathode chamber, and the anode electrode and the cathode electrode are connected with an external circuit through an electric lead;
a proton exchange membrane is arranged between the anode cavity and the cathode cavity, a carbon felt is arranged between the proton exchange membrane and the anode electrode, and an air diffusion layer is arranged in the cathode cavity.
Furthermore, the high-pressure homogenizer is fixedly arranged on the base, a feed inlet is arranged at the upper part of the high-pressure homogenizer, and a discharge outlet of the high-pressure homogenizer is conveyed to the lower part of the regulating tank through a connecting pipeline.
Furthermore, a nitrogen aeration device is arranged outside the adjusting tank and communicated into the adjusting tank through a connecting pipe.
Furthermore, the microbial electrolysis cell is arranged on a magnetic stirrer, and magnetic stirrers are respectively arranged in the anode chamber and the cathode chamber.
Furthermore, the anode electrode is made of a copper mesh, and the cathode electrode is made of carbon cloth.
Further, the thickness of the carbon felt is 2-8 mm.
Further, the anode chamber and the cathode chamber are made of polycarbonate.
The utility model has the advantages that:
1. compared with the traditional method for breaking the excess sludge by alkali or microwave and the like, the high-pressure homogeneous breaking of the excess sludge has good homogeneity and releases organic matters to a greater extent;
2. after the high-pressure homogenization treatment of the residual sludge, the residual sludge is in a liquid state and is similar to high-concentration wastewater;
3. other additives are not needed, and the high-pressure homogenizing cracking is more environment-friendly;
4. an adjusting tank is arranged between the high-pressure homogenizing tank and the microbial electrolytic tank, so that the water inlet of the microbial electrolytic tank can be adjusted conveniently, and a nitrogen aeration device is arranged in the adjusting tank to ensure the anaerobic environment of the anode sample introduction of the microbial electrolytic tank;
5. the water outlet of the high-pressure homogenizer, the water inlet of the cathode and the water outlet of the anode of the microbial electrolysis cell respectively pass through the connecting conduit, so that the continuity and the integrity of the whole device are ensured;
6. the anode and cathode chambers of the microbial electrolytic cell are made of polycarbonate, so that the structure is firm and is not easy to damage;
7. compared with the traditional chemical method for producing hydrogen peroxide, the method for producing hydrogen peroxide by using the microbial electrolytic cell is more environment-friendly;
8. the device combines the high-efficient excess sludge of high pressure homogeneity to disintegrate the technique and the high-efficient fermentation technique of microorganism electrolysis cell, realizes the maximum processing of excess sludge and handles and resource utilization, and the device is simple, and maneuverability is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 is a feed inlet, 2 is a high-pressure homogenizer, 3 is a base, 4 is a regulating tank, 5 is a nitrogen aeration device, 6 is a peristaltic pump, 7 is a sample inlet, 8 is a microbial electrolysis cell, 9 is a sample outlet, 10 is a magnetic stirrer, 11 is an anode electrode, 12 is a carbon felt, 13 is a proton exchange membrane, 14 is a water outlet, 15 is an air diffusion layer, 16 is a cathode electrode, 17 is a water inlet, and 18 is a magnetic stirrer.
Detailed Description
A device for treating excess sludge by combining a high-pressure homogenizing device with a microbial electrolytic cell comprises a high-pressure homogenizing device 2 and a microbial electrolytic cell 8, wherein a regulating tank 4 is arranged between the high-pressure homogenizing device 2 and the microbial electrolytic cell 8, a connecting pipe and a peristaltic pump 6 are arranged at the lower part of the regulating tank 4 and communicated into the microbial electrolytic cell 8, and the regulating tank 4 is used for regulating the water inlet of the microbial electrolytic cell 8;
the microbial electrolysis cell 8 comprises an anode chamber and a cathode chamber, wherein the lower part of the anode chamber is provided with a sample inlet 7, the upper part of the anode chamber is provided with a sample outlet 9, the lower part of the cathode chamber 16 is provided with a water inlet 17, and the upper part of the cathode chamber is provided with a water outlet 14;
an anode electrode 11 is arranged in the anode chamber, a cathode electrode 16 is arranged in the cathode chamber, and the anode electrode 11 and the cathode electrode 16 are connected with an external circuit through an electric lead;
a proton exchange membrane 13 is arranged between the anode cavity and the cathode cavity, protons pass through the proton exchange membrane 13 and enter the cathode cavity, a carbon felt 12 is arranged between the proton exchange membrane 13 and the anode electrode 11, and an air diffusion layer 15 is arranged in the cathode cavity.
The high-pressure homogenizer 2 is fixedly arranged on the base 3, a feed inlet 1 is arranged at the upper part of the high-pressure homogenizer 2, and a discharge port of the high-pressure homogenizer 2 is conveyed to the lower part of the regulating tank 4 through a connecting pipeline.
The adjusting tank 4 is externally provided with a nitrogen aeration device 5, and the nitrogen aeration device 5 is communicated into the adjusting tank 4 through a connecting pipe, so that the anaerobic environment of the anode sample introduction of the microbial electrolysis tank 8 is ensured.
The microbial electrolysis cell 8 is arranged on a magnetic stirrer 18, and magnetic stirrers 10 are respectively arranged in the anode chamber and the cathode chamber.
The anode electrode 11 is made of a copper mesh, and the cathode electrode 16 is made of carbon cloth.
The thickness of the carbon felt 12 is 2-8mm, and the carbon felt is tightly close to one side of the proton exchange membrane 13.
The anode chamber and the cathode chamber are made of polycarbonate.
Excess sludge cracked by the high-pressure homogenizer is subjected to anaerobic fermentation in an anode cavity of the microbial electrolysis cell 8 to generate protons and electrons, the electrons reach a cathode electrode 16 through an external circuit, the protons enter a cathode cavity through a proton exchange membrane 13, and because an air diffusion layer 15 is arranged in the cathode cavity, oxygen outside the cathode cavity enters the cathode cavity through the air diffusion layer 15 and is combined with the protons to generate hydrogen peroxide.
The "high-pressure homogenizer" mentioned in the present invention is a known prior art, and is a high-pressure homogenizing apparatus disclosed in patent No. 2016204745836.
The nitrogen aeration device and the magnetic stirrer are all known products which are disclosed in the prior art, are not innovative points of the application, and the structure, the principle and the action of the nitrogen aeration device and the magnetic stirrer are known by the technical personnel in the field.
Claims (7)
1. The utility model provides a device that microorganism electrolysis pond was handled to high pressure homogeneity combination excess sludge which characterized in that: the device comprises a high-pressure homogenizer and a microbial electrolysis cell, wherein an adjusting tank is arranged between the high-pressure homogenizer and the microbial electrolysis cell, and the lower part of the adjusting tank is provided with a connecting pipe and a peristaltic pump which are communicated to the microbial electrolysis cell;
the microbial electrolysis cell comprises an anode chamber and a cathode chamber, wherein the lower part of the anode chamber is provided with a sample inlet, the upper part of the anode chamber is provided with a sample outlet, the lower part of the cathode chamber is provided with a water inlet, and the upper part of the cathode chamber is provided with a water outlet;
an anode electrode is arranged in the anode chamber, a cathode electrode is arranged in the cathode chamber, and the anode electrode and the cathode electrode are connected with an external circuit through an electric lead;
a proton exchange membrane is arranged between the anode cavity and the cathode cavity, a carbon felt is arranged between the proton exchange membrane and the anode electrode, and an air diffusion layer is arranged in the cathode cavity.
2. The apparatus of claim 1, wherein the apparatus comprises: the high-pressure homogenizer is fixedly arranged on the base, a feed inlet is arranged at the upper part of the high-pressure homogenizer, and a discharge outlet of the high-pressure homogenizer is conveyed to the lower part of the regulating tank through a connecting pipeline.
3. The apparatus of claim 1, wherein the apparatus comprises: and a nitrogen aeration device is arranged outside the adjusting tank and communicated into the adjusting tank through a connecting pipe.
4. The apparatus of claim 1, wherein the apparatus comprises: the microbial electrolysis cell is arranged on the magnetic stirrer, and the anode chamber and the cathode chamber are respectively provided with a magnetic stirrer.
5. The apparatus of claim 1, wherein the apparatus comprises: the anode electrode is made of a copper mesh, and the cathode electrode is made of carbon cloth.
6. The apparatus of claim 1, wherein the apparatus comprises: the thickness of the carbon felt is 2-8 mm.
7. The apparatus of claim 1, wherein the apparatus comprises: the anode chamber and the cathode chamber are made of polycarbonate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922280851.7U CN211688756U (en) | 2019-12-18 | 2019-12-18 | Device for treating excess sludge by combining high-pressure homogenization with microbial electrolysis cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922280851.7U CN211688756U (en) | 2019-12-18 | 2019-12-18 | Device for treating excess sludge by combining high-pressure homogenization with microbial electrolysis cell |
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| CN211688756U true CN211688756U (en) | 2020-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896389A (en) * | 2021-11-18 | 2022-01-07 | 江苏新天鸿集团有限公司 | Method for high-pressure homogeneous anaerobic digestion of high-solid-content sludge |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896389A (en) * | 2021-11-18 | 2022-01-07 | 江苏新天鸿集团有限公司 | Method for high-pressure homogeneous anaerobic digestion of high-solid-content sludge |
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