CN210656626U - Sludge source reduction equipment based on hydrodynamic cavitation mechanism - Google Patents
Sludge source reduction equipment based on hydrodynamic cavitation mechanism Download PDFInfo
- Publication number
- CN210656626U CN210656626U CN201920851860.4U CN201920851860U CN210656626U CN 210656626 U CN210656626 U CN 210656626U CN 201920851860 U CN201920851860 U CN 201920851860U CN 210656626 U CN210656626 U CN 210656626U
- Authority
- CN
- China
- Prior art keywords
- cavitation
- cavity
- hydrodynamic cavitation
- sludge
- hydrodynamic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 34
- 230000009467 reduction Effects 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 title claims description 10
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000010865 sewage Substances 0.000 claims description 20
- 230000008676 import Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 235000014113 dietary fatty acids Nutrition 0.000 abstract description 2
- 229930195729 fatty acid Natural products 0.000 abstract description 2
- 239000000194 fatty acid Substances 0.000 abstract description 2
- 150000004665 fatty acids Chemical class 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 10
- 238000007254 oxidation reaction Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
Ozone is introduced into a cavitation cavity, sludge flocs can be oxidized at high speed after the ozone is added into the sludge under the high-temperature and high-pressure condition generated under the hydrodynamic cavitation effect, nondegradable organic matters are directly decomposed into CO2, H2O and the like, macromolecular chains are broken into small molecular chains and further oxidized into fatty acid, and the ratio of BOD to COD is improved. In the decrement equipment, a cavitation cavity feeding pipe is adopted as a group of conical pipes with parallel axes, the inlet of a primary cavitation cavity feeding pipe is communicated with the feeding port of the equipment, a primary hydrodynamic cavitation generation cavity is formed between a primary cavitation cavity feeding pipe and a secondary cavitation cavity feeding pipe, a secondary hydrodynamic cavitation generation cavity is formed between the outlet of the secondary cavitation cavity feeding pipe and the inlet of a discharging pipe, and the primary hydrodynamic cavitation generation cavity and the secondary hydrodynamic cavitation generation cavity are respectively communicated with a gas supply system. The utility model can reduce the output of organic sludge by 70-80%, has high reduction efficiency of sludge source, small occupied area of equipment and low investment cost of operation and maintenance.
Description
Technical Field
The utility model relates to the environmental protection field, in particular to a sludge source reduction method and equipment based on a hydrodynamic cavitation mechanism for treating sludge in sewage.
Background
With the development of society and the increase of urban population, the amount of sewage in daily life, business, restaurants and industrial production is increased sharply, and in the process of sewage treatment, the most important thing is how to treat the sludge in the sewage, the prior art basically adopts a landfill method for treatment, and the sludge is the current environmental protection industry, especially the sludge treatment generated every day in large and medium-sized cities with more population and deficient land resources because the sludge treatment cost is high, secondary pollution is caused by landfill and a large amount of land is occupied.
In order to improve the sludge treatment capacity, the technical scheme adopted by the prior art is to reduce the generation amount of sludge in sewage, and for example, the application numbers disclosed by Chinese patents are as follows: 201310378632.7 the name is: a method for adopting supercritical dissolved air cavitation equipment and strengthening sludge reduction. The Chinese patent discloses application numbers as follows: 201510738373.3 the name is: a hydrodynamic cavitation mud-reducing machine and a sewage treatment method. The method is based on a hydrodynamic cavitation mechanism, and utilizes sewage treatment to cause the sewage to generate a cavitation phenomenon, thereby reducing the generation amount of sludge in the sewage.
The hydrodynamic cavitation mechanism is that when liquid flows in a pipeline with a rapidly changing pipe diameter, due to the rapid change of the pipe diameter, when the liquid flows through a low-pressure area (the pipe diameter is increased), a large number of tiny bubbles carried in the liquid form two-phase flow motion, the bubbles are rapidly reduced or collapsed when the surrounding pressure is increased in the process of flowing along with the liquid, and the collapse of the bubbles generates strong oxidation reaction instantly, so that organic matters which are difficult to degrade and normally generate solid sludge in sewage are directly decomposed into CO2And H2O, etc., while the macromolecular chains of the hardly degradable organic substances are broken into small molecular chains and further oxidized into fatty acids.
In the prior art, in the cavitation process of the sewage, 1, a method of inputting air is adopted, and the oxidation reaction of the sewage is required in the cavitation process, so that the air is general in oxidation; 2. the single-row single-stage or multi-stage single-row hydrodynamic cavitation method is adopted, so that the decomposition effect of organic matters and the occupied area of equipment, and the operation and maintenance investment cost in the cavitation process of the sewage are greatly influenced.
SUMMERY OF THE UTILITY MODEL
The method aims to solve the technical defects that the sewage needs oxidation reaction in the cavitation process, the air oxidation is general, and the decomposition effect of organic matters, the occupied area of equipment, and the operation and maintenance investment cost of the sewage in the cavitation process are greatly influenced. The utility model discloses an organic sludge source decrement equipment based on hydrodynamic cavitation mechanism.
A sludge source reduction method based on a hydrodynamic cavitation mechanism adopts the technical scheme that:
the utility model discloses realize a sludge decrement equipment utility model technical scheme that the purpose adopted based on hydrodynamic cavitation sludge decrement is: the apparatus comprises: the device comprises a main body jacket, a device feed inlet, a primary cavitation cavity feed pipe, a secondary cavitation cavity feed pipe, a primary hydrodynamic cavitation generation cavity and a secondary hydrodynamic cavitation generation cavity, wherein the primary hydrodynamic cavitation generation cavity and the secondary hydrodynamic cavitation generation cavity are formed between the outlet of the primary cavitation cavity feed pipe and the inlet of the secondary cavitation cavity feed pipe and between the outlet of the secondary cavitation cavity feed pipe and a discharge pipe, the first-stage cavitation cavity feeding pipe and the second-stage cavitation cavity feeding pipe are respectively a group of conical pipes with parallel axes, the inlet of the first-stage cavitation cavity feeding pipe is communicated with the feeding port of the equipment in a sealing way, a first-stage hydrodynamic cavitation generation cavity is formed between the outlet of the first-stage cavitation cavity feeding pipe and the inlet of the second-stage cavitation cavity feeding pipe, a second-stage hydrodynamic cavitation generation cavity is formed between the outlet of the second-stage cavitation cavity feeding pipe and the inlet of the discharging pipe, the primary hydrodynamic cavitation generating cavity and the secondary hydrodynamic cavitation generating cavity are respectively communicated with an ozone gas supply system through valves.
The utility model has the advantages that: the output of the organic sludge is reduced by 70-80%. The utility model discloses side mud source decrement is efficient, and equipment area is little, and operation and maintenance investment cost are low.
Drawings
The present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural section of the present invention.
FIG. 2 is a sectional view taken along line A-A of FIG. 1
In the drawings: the device comprises a main body jacket 1, a device feed inlet 2, a first-stage cavitation cavity feed pipe 3, a second-stage cavitation cavity feed pipe 4, a first-stage hydrodynamic cavitation generation cavity 5, a discharge pipe 6, a second-stage hydrodynamic cavitation generation cavity 7, a valve 8 and an ozone gas supply system 9.
Detailed Description
With reference to the attached drawings,
the molecular formula of the ozone and the oxygen is O3And O2And has strong oxidizing property, especially ozone.
The sludge is a mixture with organic components as main components and complex components. When sludge is oxidized by ozone, the reduction of sludge concentration mainly proceeds by the following two processes:
1. ozone destroys and dissolves microbial cells in the sludge, increases the cell attenuation rate, and strengthens the recessive growth of microbes, thereby reducing the sludge yield;
2. ozone can directly or indirectly degrade partial organic matters into CO2And H2And O, decomposing macromolecular organic matters which are not easy to hydrolyze in the sludge into soluble micromolecular substances by ozone, and further degrading. Therefore, the oxygen or ozone gas is injected into the first-stage and second-stage hydraulic cavitation generation cavities to be beneficial to the decomposition of organic matters, and the formation amount of solid matters is further reduced.
A sludge source reduction device based on a hydrodynamic cavitation mechanism comprises: the device comprises a main body jacket, a device feed inlet, a primary cavitation cavity feed pipe, a secondary cavitation cavity feed pipe, a primary hydrodynamic cavitation generation cavity and a secondary hydrodynamic cavitation generation cavity, wherein the primary hydrodynamic cavitation generation cavity and the secondary hydrodynamic cavitation generation cavity are formed between the outlet of the primary cavitation cavity feed pipe and the inlet of the secondary cavitation cavity feed pipe and between the outlet of the secondary cavitation cavity feed pipe and a discharge pipe.
One-level cavitation chamber inlet pipe 3 and second grade cavitation chamber inlet pipe 4 be a set of axis parallel arrangement's conical duct respectively, the import and the equipment feed inlet 2 of one-level cavitation chamber inlet pipe 3 are sealed the intercommunication, constitute one-level hydrodynamic cavitation between the export of one-level cavitation chamber inlet pipe 3 and the import of second grade cavitation chamber inlet pipe 4 and take place chamber 5, constitute second grade hydrodynamic cavitation between the export of second grade cavitation chamber inlet pipe 4 and the 6 imports of discharging pipe and take place chamber 7, one-level hydrodynamic cavitation take place chamber 5 and second grade hydrodynamic cavitation and take place chamber 7 and communicate through valve 8 and ozone's air supply system 9 respectively.
One-level cavitation chamber inlet pipe 3 and second grade cavitation chamber inlet pipe 4 are a set of axis parallel arrangement's conical duct respectively, constitute multiseriate formula and arrange, and one-level cavitation chamber inlet pipe 3 and second grade cavitation chamber inlet pipe 4 are arranged along the axis order, constitute the multistage formula and arrange, the utility model discloses constitute multistage multiseriate formula structure.
Each group is respectively composed of a plurality of primary cavitation cavity feed pipes 3 and secondary cavitation cavity feed pipes 4, so that the instant pressure reduction effect of sludge entering the cavitation cavity is increased, the contact area of the sludge oxidation process and oxidizing gas is increased, and the ozone gas supply system 9 serving as a strong oxidant greatly improves the oxidation effect of the cavitation process, further promotes the degradation rate of organic matters, and improves the sludge reduction level.
In the embodiment of the utility model, the sewage treatment device is a vertical structure with a sewage inlet 7 at the upper part and a sewage outlet 8 at the lower part. The structure reduces the occupied area, the sewage flows smoothly, and the solid is not easy to block the equipment.
Claims (2)
1. A sludge source reduction device based on a hydrodynamic cavitation mechanism comprises: main part overcoat, equipment feed inlet, one-level cavitation chamber inlet pipe, second grade cavitation chamber inlet pipe, one-level hydrodynamic cavitation chamber and second grade hydrodynamic cavitation chamber of taking place, constitute one-level hydrodynamic cavitation chamber and second grade hydrodynamic cavitation chamber of taking place between the export of one-level cavitation chamber inlet pipe and the import of second grade cavitation chamber inlet pipe, between the export of second grade cavitation chamber inlet pipe and the discharging pipe, its characterized in that: one-level cavitation chamber inlet pipe (3) and second grade cavitation chamber inlet pipe (4) be a set of axis parallel arrangement's conical duct respectively, the import and the equipment feed inlet (2) of one-level cavitation chamber inlet pipe (3) are sealed the intercommunication, constitute one-level hydrodynamic cavitation between the export of one-level cavitation chamber inlet pipe (3) and the import of second grade cavitation chamber inlet pipe (4) and take place chamber (5), constitute second grade hydrodynamic cavitation between the export of second grade cavitation chamber inlet pipe (4) and discharging pipe (6) import and take place chamber (7), one-level hydrodynamic cavitation take place chamber (5) and second grade hydrodynamic cavitation and take place chamber (7) and communicate through valve (8) and ozone gas supply system (9) respectively.
2. The apparatus for source sludge reduction based on hydrodynamic cavitation mechanism as claimed in claim 1, wherein: the sewage treatment equipment is of a vertical structure with an equipment feeding hole (2) at the upper part and a discharging pipe (6) at the lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851860.4U CN210656626U (en) | 2019-06-06 | 2019-06-06 | Sludge source reduction equipment based on hydrodynamic cavitation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851860.4U CN210656626U (en) | 2019-06-06 | 2019-06-06 | Sludge source reduction equipment based on hydrodynamic cavitation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210656626U true CN210656626U (en) | 2020-06-02 |
Family
ID=70838243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920851860.4U Ceased CN210656626U (en) | 2019-06-06 | 2019-06-06 | Sludge source reduction equipment based on hydrodynamic cavitation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210656626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194573A (en) * | 2019-06-06 | 2019-09-03 | 第一环保（深圳）股份有限公司 | A kind of sludge Sources decreasing method and apparatus based on Hydrodynamic cavitation mechanism |
-
2019
- 2019-06-06 CN CN201920851860.4U patent/CN210656626U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194573A (en) * | 2019-06-06 | 2019-09-03 | 第一环保（深圳）股份有限公司 | A kind of sludge Sources decreasing method and apparatus based on Hydrodynamic cavitation mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103508593B (en) | A kind of Chemical deep treatment process being applied to antibiotic waste water and administering | |
| CN210085066U (en) | Micro-nano aeration BAF treatment device | |
| CN100575282C (en) | Refuse leachate treatment technology | |
| CN103708657B (en) | Deep oxidation treatment method and apparatus for difficultly-degraded organic chemical industry wastewater | |
| CN210656626U (en) | Sludge source reduction equipment based on hydrodynamic cavitation mechanism | |
| CN103102046B (en) | Biochemical strengthening treater | |
| CN104986904A (en) | Ozone microbubble reaction sewage treatment equipment and method | |
| CN204824489U (en) | Ozone microbubble reaction sewage treatment device | |
| CN107473365B (en) | High-energy oxygen generating device and water treatment system | |
| CN105858820A (en) | Efficient organic wastewater pretreatment method | |
| CN202808518U (en) | Device for treating difficultly-degradable organic wastewater by combination of micro-electrolysis and Fenton | |
| CN212334746U (en) | Anaerobic reactor for wastewater treatment | |
| CN203065309U (en) | Biochemical enhancement treatment device | |
| CN111717990A (en) | Anaerobic reactor for wastewater treatment and method for treating wastewater | |
| CN112125467A (en) | Method for treating nitrobenzene wastewater | |
| CN110937760A (en) | Baffling type ozone pre-oxidation combined biological filter advanced treatment method | |
| CN100488892C (en) | Pressurized catalysis biological contact oxidation tower (device) | |
| CN219603346U (en) | Spray column waste water treatment integrated device | |
| CN220132056U (en) | Industrial sewage pretreatment system | |
| CN220351867U (en) | Landfill leachate treatment device | |
| CN220579052U (en) | Cross flow type anaerobic sewage treatment equipment | |
| CN219489731U (en) | High-efficient denitrification anaerobic tower | |
| CN210012713U (en) | Two sections catalytic oxidation formula medicine effluent treatment plant | |
| CN211770839U (en) | Enhanced sewage biochemical treatment oxygenation process device | |
| CN214781358U (en) | Nitramine explosive wastewater treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20230104 Decision number of declaring invalidation: 59789 Granted publication date: 20200602 |
|
| IW01 | Full invalidation of patent right |