CN113461271A - Intensive device and method for rural black and odorous water body treatment - Google Patents
Intensive device and method for rural black and odorous water body treatment Download PDFInfo
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- CN113461271A CN113461271A CN202110843736.5A CN202110843736A CN113461271A CN 113461271 A CN113461271 A CN 113461271A CN 202110843736 A CN202110843736 A CN 202110843736A CN 113461271 A CN113461271 A CN 113461271A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000010802 sludge Substances 0.000 claims abstract description 37
- 239000002068 microbial inoculum Substances 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 51
- 239000001301 oxygen Substances 0.000 claims description 51
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 50
- 238000006213 oxygenation reaction Methods 0.000 claims description 35
- 238000005520 cutting process Methods 0.000 claims description 21
- 238000005868 electrolysis reaction Methods 0.000 claims description 16
- 241000894006 Bacteria Species 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- -1 graphite alkene Chemical class 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000003344 environmental pollutant Substances 0.000 claims description 5
- 231100000719 pollutant Toxicity 0.000 claims description 5
- 244000063299 Bacillus subtilis Species 0.000 claims description 4
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 4
- 241000108664 Nitrobacteria Species 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 230000000243 photosynthetic effect Effects 0.000 claims description 4
- 239000003623 enhancer Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000005067 remediation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910021389 graphene Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002101 nanobubble Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to the technical field of black and odorous water body treatment, and discloses an intensive device and method for rural black and odorous water body treatment; the device comprises a first processing device and a second processing device; the first treatment device comprises a first circular cavity, a centrifugal rotating drum, an improved microbial inoculum throwing device, a plurality of groups of sludge discharge grooves and a cylindrical interception grid, wherein the first circular cavity is fixedly arranged, the centrifugal rotating drum is movably arranged on the inner wall of the first circular cavity, the improved microbial inoculum throwing device is arranged at the upper end of the first circular cavity and is communicated with the first circular cavity, the plurality of groups of sludge discharge grooves are uniformly arranged at the lower end of the first circular cavity, and the cylindrical interception grid is arranged at the center inside the first circular cavity; the method comprises mud-water separation; improving and treating bottom mud; treating black and odorous water; the technical scheme aims at the characteristics of high treatment quality and quick response of rural black and odorous water; and the body is small, the implementation is easy, and the practicability is strong.
Description
Technical Field
The invention relates to the technical field of black and odorous water body treatment, in particular to an intensive device and method for rural black and odorous water body treatment.
Background
The black and odorous water is mainly caused by that domestic garbage or sewage containing high-concentration organic pollutants such as domestic sewage is gathered in closed non-flowing water or watershed flowing water, the concentrations of the organic pollutants, ammonia nitrogen, phosphorus and other pollutants in the water exceed the standard, the self-cleaning capacity of the water is unbalanced, and finally black and odorous water is caused. The closed black and odorous water body seriously pollutes the local environment, the river pollution is also seriously caused by the interfusion of the watershed black and odorous water body into the dry flow, and the ecological purification and restoration of the black and odorous water body are imminent.
The rural black and odorous water body has the characteristics of high dispersibility and wide point source pollution distribution; the concept of centralized treatment of connecting point sources and pollution into a line according to the prior art is obviously not feasible; aiming at the problem that a device or a system for treating the black and odorous water body in the rural area in the prior art has the characteristics of large floor area and inapplicability to the distribution of the rural black and odorous water body;
therefore, a centralized and intensive black and odorous water treatment device with a small size is urgently needed, and the treatment can be carried out aiming at the nearby layout of the rural black and odorous water pollution sources.
Disclosure of Invention
The technical problem solved by the invention is as follows: the treatment device which can be arranged nearby according to the point source pollution of the rural black and odorous water body has the characteristics of small size, high treatment quality and quick response.
The technical scheme of the invention is as follows: an intensive device for rural black and odorous water body treatment comprises a first treatment device for separating precipitated sludge from a black and odorous water body, and a second treatment device arranged on the first treatment device and used for treating the black and odorous water body;
the first treatment device comprises a first circular cavity, a centrifugal rotating drum, an improved microbial inoculum throwing device, a plurality of groups of sludge discharge grooves and a cylindrical interception grid, wherein the first circular cavity is fixedly arranged, the centrifugal rotating drum is movably arranged on the inner wall of the first circular cavity, the improved microbial inoculum throwing device is arranged at the upper end of the first circular cavity and is communicated with the first circular cavity, the plurality of groups of sludge discharge grooves are uniformly arranged at the lower end of the first circular cavity, and the cylindrical interception grid is arranged at the center inside the first circular cavity;
the first circular cavity comprises a circular cavity body, a water inlet arranged at the upper end of the circular cavity body, and a conical table which is arranged at the center in the circular cavity body and has an upward conical surface;
a water outlet connected with a second processing device is formed in the center of the conical table;
the cylindrical interception grating comprises a grating body which is vertically arranged, the lower end of the grating body is connected with the periphery of the water outlet, and a flow dividing cover which is arranged at the upper end of the grating body and corresponds to the water inlet up and down;
the second processing device comprises a second circular cavity, a central rotating shaft, two support rings, a plurality of groups of electrolytic plates, an electrolytic power supply module, a centrifugal driving piece and a power motor, wherein the upper end of the second circular cavity is connected with the conical table, the central rotating shaft is movably mounted in the center of the second circular cavity and is superposed with the central axis of the second circular cavity, the two support rings are respectively arranged at the upper end and the lower end of the central rotating shaft, the electrolytic plates are uniformly mounted on the support rings, the electrolytic power supply module is connected with the two ends of each electrolytic plate, the centrifugal driving piece is arranged on the support ring at the lower end, and the power motor is arranged outside the second circular cavity and used for providing power for the central rotating shaft;
the electrolytic plate comprises a load screen plate, filling cavities uniformly arranged on the load screen plate, graphene oxide powder filled in the filling cavities and electrode plates arranged at two ends of the load screen plate;
the electrode plates at the two ends are respectively connected with the anode and the cathode of the electrolysis power supply module.
Furthermore, the centrifugal driving part comprises a centrifugal disc arranged on a lower end support ring, a plurality of groups of peripheral centrifugal shifting plates which are vertically arranged and two ends of which are respectively connected with the support ring, and bottom bulges uniformly arranged on the centrifugal disc; the arrangement of the centrifugal disc and the peripheral centrifugal shifting plate can drive the black and odorous water body to generate centrifugal force, so that the black and odorous water body is efficiently repaired.
Furthermore, the centrifugal rotating drum comprises a rotating drum movably embedded on the inner wall of the first circular cavity, a poking plate which is uniformly and vertically arranged on the inner wall of the rotating drum and used for driving black and odorous water bodies and sludge to rotate, and a motor power module which is arranged at the upper end of the first circular cavity and used for providing power for the rotating drum; the motor power module can effectively make mud and black and odorous water body break away from through the drive rotary drum rotating, is convenient for separately carry out efficient purification treatment.
Further, a micro-nano oxygenation device is mounted at the lower end of the second circular cavity;
the micro-nano oxygenation device comprises a first oxygenation module, a second oxygenation module and a water outlet piece, wherein the water inlet of the first oxygenation module is connected with the lower end of a second circular cavity;
the first oxygen increasing module comprises a first oxygen increasing cavity communicated with the lower end of the second circular cavity, a plurality of groups of inflation valves uniformly arranged on the side wall of the first oxygen increasing cavity, a first bubble division grid arranged in the first oxygen increasing cavity, an inflation pump communicated with the inflation valves and a pulse power supply electrically connected with the inflation pump;
the second oxygen increasing module comprises a second oxygen increasing cavity communicated with the first oxygen increasing cavity, an installation shaft, a rotary cutting blade and a power motor, wherein the installation shaft is positioned below the first bubble division grid and vertically arranged at the center of the second oxygen increasing cavity;
the water outlet piece comprises a plurality of conical water outlets communicated with the second oxygen increasing cavity, and a plurality of layers of second bubble partition grids are arranged in the conical water outlets in parallel.
Can fill into a large amount of stable micro-nano bubbles to the aquatic through micro-nano oxygenation device, effectively increase the dissolved oxygen content in the water, fundamentally solves the problem that black and odorous water body dissolved oxygen content is low.
Furthermore, the first bubble division grid and the second bubble division grid are both carbon fiber nets woven by carbon fiber wires arranged in a criss-cross mode. The carbon fiber silk can carry out layer upon layer cutting to the bubble, effectively reduces the volume of bubble in the water, increases the production of microbubble.
Further, circular small grooves with the diameter of 0.4-0.8 mm are uniformly formed in the upper surface and the lower surface of the rotary cutting blade; the generation amount of micro bubbles can be further improved by arranging the small circular grooves on the surface of the rotary cutting blade, so that the oxygen content of the water body is ensured to be improved.
Further, microbubble synergists are uniformly arranged on the side wall of the second oxygenation cavity;
microbubble increase ware includes and installs the oxygen pressure boost shower nozzle at second oxygenation chamber lateral wall, fixes the inside fixed mounting bracket that just is located the gaseous entrance of oxygen pressure boost shower nozzle of second oxygenation chamber, two are fixed just be located the rotating electrical machines of the gaseous access port both sides of oxygen pressure boost shower nozzle on the fixed mounting bracket, set up cutting strip on the rotating electrical machines, and with the pressure boost air pump of oxygen pressure boost shower nozzle intercommunication.
The micro-bubble synergist is arranged to enable the oxygen pressurizing nozzle to generate a large amount of micro-bubbles through the cutting action of the double motors, so that the storage of micro-bubbles in the water body is promoted.
Further, the rotating motor is a coreless motor; the hollow cup motor has the characteristics of small volume and high rotating speed.
The method for treating the rural black and odorous water body by using the intensive device comprises the following steps:
s1: mud-water separation
The device is arranged near a black and odorous water body pollution source, so that the black and odorous water body is introduced into the centrifugal rotary drum, the centrifugal rotary drum rotates to enable the black and odorous water body to enter the cylindrical interception grid under the action of centrifugal force, and sludge is accumulated between the side wall of the centrifugal rotary drum and the conical table;
s2: improved treatment of bottom mud
The improved microbial inoculum feeding device feeds the improved microbial inoculum to the sludge in the centrifugal drum; the sludge enters a sludge discharge groove under the action of gravity and then flows back to the black and odorous water area; the improved microbial inoculum comprises the following components in parts by weight: 10-15 parts of photosynthetic bacteria, 12-17 parts of bacillus subtilis, 15-22 parts of nitrobacteria, 15-22 parts of denitrifying bacteria and 30-50 parts of sulfurous bacteria;
s3: black and odorous water treatment
Black smelly water gets into the circular cavity of second, and the electrolytic plate rotation of power motor drive load with oxidation graphite alkene powder, centrifugal drive spare make black smelly water wash the electrolytic plate under the centrifugal force effect, and the pollutant in the black smelly water of oxidation graphite alkene absorption, electrolysis power module carries out the electrolysis to the electrolytic plate circular telegram simultaneously and restores.
The invention has the beneficial effects that: the invention provides an intensive device for treating rural black and odorous water and a treatment method thereof, wherein the separation of black and odorous water and sludge can be completed through the arrangement of a centrifugal drum, which is beneficial to respectively treating the sludge and sewage; the improved microbial inoculum is put into the sludge through the improved microbial inoculum putting device, the bioremediation of the water body substrate is implemented, the organic pollution of the substrate sludge is degraded in situ, the seriously damaged bottom biological chain is quickly reconstructed, the foundation is laid for the echelon restoration of the ascending biological chain, and the mineralization process of the substrate sludge is accelerated;
the graphene oxide on the electrolytic plate can be driven to rotate rapidly through the centrifugal driving piece, sewage is driven to generate centrifugal force, the black and odorous water body can be in uniform contact with the graphene oxide under the action of the centrifugal force, and adsorption of a pollution source is achieved; and then the electrolysis is carried out by combining with an electrode plate, so that the organic pollution source is effectively degraded.
A large amount of stable micro-nano bubbles can be filled into the water through the micro-nano oxygenation device, so that the dissolved oxygen content in the water body is effectively increased, and the problem of low dissolved oxygen content of the black and odorous water body is fundamentally solved; the setting of cutting apart grid, second bubble through first bubble cuts apart grid, microbubble synergist, rotary cutting piece can effectively produce a large amount of stable microbubbles.
Drawings
FIG. 1 is a schematic structural view of the whole of embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a first processing apparatus according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a second processing apparatus according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of a centrifugal drive unit according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural diagram of a micro-nano oxygenation device in embodiment 2 of the invention;
FIG. 6 is a schematic structural diagram of a first oxygenation module according to embodiment 2 of the present invention;
FIG. 7 is a schematic structural diagram of a second oxygenation module according to embodiment 2 of the invention;
FIG. 8 is a schematic structural diagram of a second bubble segmentation grid according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of a microbubble multiplier according to embodiment 3 of the present invention;
wherein, 1-a first processing device, 10-a first circular cavity, 11-a centrifugal rotating drum, 110-a rotating drum, 111-a shifting plate, 112-a motor power module, 12-an improved microbial inoculum throwing device, 13-a sludge discharge tank, 14-a cylindrical interception grating, 100-a circular cavity body, 101-a water inlet, 102-a conical table, 140-a grating body, 141-a shunt cover, 2-a second processing device, 20-a second circular cavity, 21-a central rotating shaft, 22-a bracket ring, 23-an electrolytic plate, 230-an electric load screen plate, 231-a filling cavity, 232-an electrode plate, 24-a de-energizing source module, 25-a power motor, 26-a centrifugal disk, 27-a peripheral centrifugal shifting plate, 28-a bottom bulge, 3-micro nano oxygenation device, 30-first oxygenation module, 31-second oxygenation module, 32-water outlet piece, 300-first oxygenation cavity, 301-inflation valve, 302-first bubble partition grid, 310-second oxygenation cavity, 311-mounting shaft, 312-rotary cutting piece, 320-conical water outlet, 321-second bubble partition grid, 33-micro bubble multiplier, 330-oxygen pressurizing nozzle, 331-fixed mounting rack, 332-rotary motor and 333-cutting strip.
Detailed Description
Example 1:
an intensive device for rural black and odorous water body treatment as shown in fig. 1 comprises a first treatment device 1 for separating precipitated sludge from black and odorous water body, and a second treatment device 2 arranged on the first treatment device 1 for treating black and odorous water body;
as shown in fig. 1 and 2, the first treatment device 1 includes a first circular cavity 10 fixedly arranged, a centrifugal drum 11 movably mounted on the inner wall of the first circular cavity 10, an improved microbial inoculum throwing device 12 arranged at the upper end of the first circular cavity 10 and communicated with the first circular cavity 10, 6 groups of sludge discharge grooves 13 uniformly arranged at the lower end of the first circular cavity 10, and a cylindrical interception grating 14 arranged at the center inside the first circular cavity 10;
the first circular cavity 10 comprises a circular cavity body 100, a water inlet 101 arranged at the upper end of the circular cavity body 100, and a conical table 102 which is arranged at the center inside the circular cavity body 100 and has an upward conical surface;
a water outlet connected with the second processing device 2 is arranged in the center of the conical table 102;
the cylindrical interception grille 14 comprises a grille body 140 which is vertically arranged, and the lower end of the grille body is connected with the periphery of the water outlet, and a diversion cover 141 which is arranged at the upper end of the grille body 140 and corresponds to the water inlet up and down;
as shown in fig. 3, the second processing device 2 includes a second circular cavity 20 having an upper end connected to the conical table 102, a central rotating shaft 21 movably installed in the center of the second circular cavity 20 and coinciding with the central axis of the second circular cavity 20, two bracket rings 22 respectively disposed at the upper and lower ends of the central rotating shaft 21, 4 groups of electrolytic plates 23 uniformly installed on the bracket rings 22, an electrolytic power module 24 connected to both ends of the electrolytic plates 23, a centrifugal driving member disposed on the bracket ring 22 at the lower end, and a power motor 25 disposed outside the second circular cavity 20 and configured to provide power to the central rotating shaft 21;
the electrolytic plate 23 comprises a loading screen 230, filling cavities 231 uniformly arranged on the loading screen 230, graphene oxide powder filled in the filling cavities 231, and electrode plates 232 arranged at two ends of the loading screen 230;
the electrode plates 231 at both ends are connected to the positive and negative electrodes of the electrolysis power supply module 24, respectively.
As shown in fig. 4, the centrifugal driving member includes a centrifugal disk 26 disposed on the lower bracket ring 22, 4 sets of peripheral centrifugal poking plates 27 vertically disposed and respectively connected with the bracket ring 22 at two ends, and bottom protrusions 28 uniformly disposed on the centrifugal disk 26.
The centrifugal rotating drum 11 comprises a rotating drum 110 movably embedded on the inner wall of the first circular cavity 10, a stirring plate 111 uniformly and vertically arranged on the inner wall of the rotating drum 110 for driving black and odorous water bodies and sludge to rotate, and a motor power module 112 arranged at the upper end of the first circular cavity 10 for providing power for the rotating drum 110.
The improved microbial inoculum throwing device 12, the motor power module 112, the electrolysis power module 24 and the power motor 25 are all commercially available products of conventional technology, and specific products are selected by those skilled in the art according to needs.
The method for treating the rural black and odorous water body by adopting the intensive device comprises the following steps:
s1: mud-water separation
The device is arranged nearby a black and odorous water body pollution source, so that the black and odorous water body is introduced into the centrifugal rotary drum 11, the centrifugal rotary drum 11 rotates to enable the black and odorous water body to enter the cylindrical interception grating 14 under the action of centrifugal force, and sludge is accumulated between the side wall of the centrifugal rotary drum 11 and the conical table 102;
s2: improved treatment of bottom mud
The improved microbial inoculum feeding device 12 feeds the improved microbial inoculum to the sludge in the centrifugal drum 11; the sludge enters the sludge discharge groove 13 under the action of gravity and then flows back to the black and odorous water area;
the improved microbial inoculum comprises the following components in parts by weight: 10 parts of photosynthetic bacteria, 12 parts of bacillus subtilis, 15 parts of nitrobacteria, 15 parts of denitrifying bacteria and 30 parts of sulfurous bacteria;
s3: black and odorous water treatment
The black and odorous water body enters the second circular cavity 20, the power motor 25 drives the electrolytic plate 23 loaded with the graphene oxide powder to rotate, the centrifugal driving piece enables the black and odorous water body to wash the electrolytic plate 23 under the action of centrifugal force, the graphene oxide adsorbs pollutants in the black and odorous water body, and meanwhile the electrolytic power supply module 24 is electrified to the electrolytic plate 23 for electrolytic repair; finally, the water body is discharged nearby.
Example 2:
an intensive device for rural black and odorous water body treatment comprises a first treatment device 1 for separating precipitated sludge from a black and odorous water body, and a second treatment device 2 arranged on the first treatment device 1 and used for treating the black and odorous water body;
the first treatment device 1 comprises a first circular cavity 10 which is fixedly arranged, a centrifugal rotating drum 11 which is movably arranged on the inner wall of the first circular cavity 10, an improved microbial inoculum throwing device 12 which is arranged at the upper end of the first circular cavity 10 and is communicated with the first circular cavity 10, 8 groups of sludge discharge grooves 13 which are uniformly arranged at the lower end of the first circular cavity 10, and a cylindrical interception grating 14 which is arranged at the center inside the first circular cavity 10;
the first circular cavity 10 comprises a circular cavity body 100, a water inlet 101 arranged at the upper end of the circular cavity body 100, and a conical table 102 which is arranged at the center inside the circular cavity body 100 and has an upward conical surface;
a water outlet connected with the second processing device 2 is arranged in the center of the conical table 102;
the cylindrical interception grille 14 comprises a grille body 140 which is vertically arranged, and the lower end of the grille body is connected with the periphery of the water outlet, and a diversion cover 141 which is arranged at the upper end of the grille body 140 and corresponds to the water inlet up and down;
the second processing device 2 comprises a second circular cavity 20, a central rotating shaft 21, two support rings 22, 6 groups of electrolytic plates 23, an electrolytic power supply module 24, a centrifugal driving piece and a power motor 25, wherein the upper end of the second circular cavity 20 is connected with the conical table 102, the central rotating shaft 21 is movably mounted in the center of the second circular cavity 20 and is superposed with the central axis of the second circular cavity 20, the two support rings 22 are respectively arranged at the upper end and the lower end of the central rotating shaft 21, the 6 groups of electrolytic plates 23 are uniformly mounted on the support rings 22, the two electrolytic power supply modules 24 are connected with the two ends of the electrolytic plates 23, the centrifugal driving piece is arranged on the support ring 22 at the lower end, and the power motor 25 is arranged outside the second circular cavity 20 and is used for providing power for the central rotating shaft 21;
the electrolytic plate 23 comprises a loading screen 230, filling cavities 231 uniformly arranged on the loading screen 230, graphene oxide powder filled in the filling cavities 231, and electrode plates 232 arranged at two ends of the loading screen 230;
the electrode plates 231 at both ends are connected to the positive and negative electrodes of the electrolysis power supply module 24, respectively.
The centrifugal driving part comprises a centrifugal disc 26 arranged on the lower end bracket ring 22, 6 groups of peripheral centrifugal stirring plates 27 which are vertically arranged and the two ends of the peripheral centrifugal stirring plates are respectively connected with the bracket ring 22, and bottom protrusions 28 uniformly arranged on the centrifugal disc 26.
The centrifugal rotating drum 11 comprises a rotating drum 110 movably embedded on the inner wall of the first circular cavity 10, a stirring plate 111 uniformly and vertically arranged on the inner wall of the rotating drum 110 for driving black and odorous water bodies and sludge to rotate, and a motor power module 112 arranged at the upper end of the first circular cavity 10 for providing power for the rotating drum 110.
The micro-nano oxygenation device 3 is arranged at the lower end of the second circular cavity 20;
the micro-nano oxygenation device 3 comprises a first oxygenation module 30, a second oxygenation module 31 and a water outlet piece 32, wherein the water inlet of the first oxygenation module 30 is connected with the lower end of the second circular cavity 20, the second oxygenation module 31 is connected with the water outlet of the first oxygenation module 30, and the water outlet piece is communicated with the second oxygenation module 31;
the first oxygen increasing module 30 comprises a first oxygen increasing cavity 300 communicated with the lower end of the second circular cavity 20, a plurality of groups of inflation valves 301 uniformly arranged on the side wall of the first oxygen increasing cavity 300, a first bubble division grid 302 arranged in the first oxygen increasing cavity 300, an inflation pump communicated with the inflation valves 301, and a pulse power supply electrically connected with the inflation pump;
the second oxygen increasing module 31 comprises a second oxygen increasing cavity 310 communicated with the first oxygen increasing cavity 300, a mounting shaft 311 which is positioned below the first bubble division grid 302 and vertically arranged at the center of the second oxygen increasing cavity 310, a rotary cutting blade 312 movably arranged on the mounting shaft 311, and a power motor for providing power for the rotary cutting blade 312;
the water outlet member 32 comprises 5 conical water outlets 320 communicated with the second oxygen-increasing chamber 310, and 3 layers of second bubble partition grids 321 arranged in parallel in the conical water outlets 320.
The first bubble partition mesh 302 and the second bubble partition mesh 321 are carbon fiber meshes woven by carbon fiber filaments arranged in a crisscross manner.
The upper and lower surfaces of the rotary cutting blade 312 are uniformly provided with small circular grooves with the diameter of 0.4 mm.
The method for treating the rural black and odorous water body by applying the intensive device comprises the following steps:
s1: mud-water separation
The device is arranged nearby a black and odorous water body pollution source, so that the black and odorous water body is introduced into the centrifugal rotary drum 11, the centrifugal rotary drum 11 rotates to enable the black and odorous water body to enter the cylindrical interception grating 14 under the action of centrifugal force, and sludge is accumulated between the side wall of the centrifugal rotary drum 11 and the conical table 102;
s2: improved treatment of bottom mud
The improved microbial inoculum feeding device 12 feeds the improved microbial inoculum to the sludge in the centrifugal drum 11; the sludge enters the sludge discharge groove 13 under the action of gravity and then flows back to the black and odorous water area;
the improved microbial inoculum comprises the following components in parts by weight: 15 parts of photosynthetic bacteria, 17 parts of bacillus subtilis, 22 parts of nitrobacteria, 22 parts of denitrifying bacteria and 50 parts of sulfurous bacteria;
s3: black and odorous water treatment
Black smelly water gets into the circular cavity of second 20, and power motor 25 drive load has the electrolysis board 23 rotation of oxidation graphite alkene powder, and centrifugal drive spare makes black smelly water erode electrolysis board 23 under centrifugal force, and the pollutant in the black smelly water is adsorbed to oxidation graphite alkene, and electrolysis power module 24 carries out electrolytic remediation to electrolysis board 23 circular telegram simultaneously.
S4: micro-nano oxygenation device
Introducing the black and odorous water treated in the step S3 into the first oxygenation module 30, and controlling an inflator pump to charge air into the sewage through an inflation valve 301 by using a pulse power supply to form larger bubbles; the larger bubbles are sequentially cut by the first bubble cutting grid 302, the rotary cutting piece 312 and the second bubble cutting grid 321 to form micro bubbles in the water body, so that oxygenation is realized; finally, the water body is discharged nearby.
Example 3:
the difference from example 2 is:
as shown in fig. 9, the microbubble enhancer 33 is uniformly installed on the sidewall of the second oxygen increasing chamber 310;
the microbubble enhancer 33 includes an oxygen pressurizing nozzle 330 installed on a sidewall of the second oxygen increasing chamber 310, a fixing frame 331 fixed inside the second oxygen increasing chamber 310 and located at an air inlet of the oxygen pressurizing nozzle 330, two rotating motors 332 fixed on the fixing frame 331 and located at two sides of the air inlet of the oxygen pressurizing nozzle 330, cutting strips 333 disposed on the rotating motors 332, and a pressurizing air pump communicated with the oxygen pressurizing nozzle 330.
The rotary motor 332 is a coreless motor.
Wherein, the oxygen pressurizing nozzle 330, the rotating motor 332, the pressurizing air pump and the hollow cup motor are all commercially available products, and the specific product types can be selected by those skilled in the art according to the needs.
Claims (9)
1. An intensive device for rural black and odorous water body treatment is characterized by comprising a first treatment device (1) for separating precipitated sludge from black and odorous water body, and a second treatment device (2) which is arranged on the first treatment device (1) and is used for treating the black and odorous water body;
the first treatment device (1) comprises a first circular cavity (10) which is fixedly arranged, a centrifugal rotary drum (11) which is movably arranged on the inner wall of the first circular cavity (10), an improved microbial inoculum throwing device (12) which is arranged at the upper end of the first circular cavity (10) and is communicated with the first circular cavity (10), a plurality of groups of sludge discharge grooves (13) which are uniformly arranged at the lower end of the first circular cavity (10), and a cylindrical interception grating (14) which is arranged at the center inside the first circular cavity (10);
the first circular cavity (10) comprises a circular cavity body (100), a water inlet (101) arranged at the upper end of the circular cavity body (100), and a conical table (102) which is arranged at the center inside the circular cavity body (100) and has an upward conical surface;
a water outlet connected with the second processing device (2) is formed in the center of the conical table (102);
the cylindrical interception grille (14) comprises a grille body (140) which is vertically arranged, the lower end of the grille body is connected with the periphery of the water outlet, and a flow dividing cover (141) which is arranged at the upper end of the grille body (140) and corresponds to the water inlet up and down;
the second processing device (2) comprises a second circular cavity (20) with the upper end connected with the conical table (102), a central rotating shaft (21) movably mounted at the center of the second circular cavity (20) and coincided with the central axis of the second circular cavity (20), two support rings (22) respectively arranged at the upper end and the lower end of the central rotating shaft (21), a plurality of groups of electrolytic plates (23) uniformly arranged on the support rings (22), electrolytic power modules (24) connected with the two ends of the electrolytic plates (23), a centrifugal driving part arranged on the lower support ring (22), and a power motor (25) arranged outside the second circular cavity (20) and used for providing power for the central rotating shaft (21);
the electrolytic plate (23) comprises a loading screen plate (230), filling cavities (231) uniformly arranged on the loading screen plate (230), graphene oxide powder filled in the filling cavities (231), and electrode plates (232) arranged at two ends of the loading screen plate (230);
the electrode plates (231) at the two ends are respectively connected with the positive electrode and the negative electrode of the electrolysis power supply module (24).
2. The intensive device for rural black and odorous water treatment according to claim 1, wherein the centrifugal driving member comprises a centrifugal disc (26) arranged on the lower end support ring (22), a plurality of sets of peripheral centrifugal stirring plates (27) which are vertically arranged and are respectively connected with the support ring (22) at two ends, and bottom protrusions (28) uniformly arranged on the centrifugal disc (26).
3. The intensive black and odorous water treatment device for rural areas according to claim 1, wherein the centrifugal rotating drum (11) comprises a rotating drum (110) movably embedded on the inner wall of the first circular cavity (10), a stirring plate (111) uniformly and vertically arranged on the inner wall of the rotating drum (110) for driving the black and odorous water and sludge to rotate, and a motor power module (112) arranged at the upper end of the first circular cavity (10) for providing power for the rotating drum (110).
4. The intensive device for rural black and odorous water treatment according to claim 1, wherein the micro-nano oxygen increasing device (3) is installed at the lower end of the second circular cavity (20);
the micro-nano oxygenation device (3) comprises a first oxygenation module (30) connected with the lower end of a second circular cavity (20) at a water inlet, a second oxygenation module (31) connected with a water outlet of the first oxygenation module (30), and a water outlet piece (32) communicated with the second oxygenation module (31);
the first oxygen increasing module (30) comprises a first oxygen increasing cavity (300) communicated with the lower end of the second circular cavity (20), a plurality of groups of inflation valves (301) uniformly arranged on the side wall of the first oxygen increasing cavity (300), a first bubble division grid (302) arranged in the first oxygen increasing cavity (300), an inflator pump communicated with the inflation valves (301), and a pulse power supply electrically connected with the inflator pump;
the second oxygen increasing module (31) comprises a second oxygen increasing cavity (310) communicated with the first oxygen increasing cavity (300), a mounting shaft (311) which is positioned below the first bubble division grid (302) and vertically arranged at the center of the second oxygen increasing cavity (310), a rotary cutting blade (312) movably arranged on the mounting shaft (311), and a power motor for providing power for the rotary cutting blade (312);
the water outlet piece (32) comprises a plurality of conical water outlets (320) communicated with the second oxygen increasing cavity (310), and a plurality of layers of second bubble partition grids (321) are arranged in parallel in the conical water outlets (320).
5. The intensive device for rural black and odorous water treatment according to claim 4, wherein the first bubble partition grid (302) and the second bubble partition grid (321) are carbon fiber nets woven by carbon fiber wires arranged in a criss-cross manner.
6. The intensive device for rural black and odorous water treatment according to claim 4, wherein the upper and lower surfaces of the rotary cutting blade (312) are uniformly provided with small circular grooves with the diameter of 0.4-0.8 mm.
7. The intensive device for rural black and odorous water treatment according to claim 4, wherein the microbubble enhancer (33) is uniformly arranged on the side wall of the second oxygen increasing chamber (310);
microbubble increase ware (33) include with install oxygen pressure boost shower nozzle (330) at second oxygenation chamber (310) lateral wall, fix inside and being located the fixed mounting bracket (331) of oxygen pressure boost shower nozzle (330) gas inlet entrance, two are fixed on fixed mounting bracket (331) and be located the rotating electrical machines (332) of oxygen pressure boost shower nozzle (330) gas inlet port both sides, set up cutting strip (333) on rotating electrical machines (332), and with the pressure boost pump of oxygen pressure boost shower nozzle (330) intercommunication.
8. The intensive device for the treatment of rural black and odorous water according to claim 4, characterized in that the rotating motor (332) is a coreless motor.
9. The method for treating rural black and odorous water by using the intensive device according to any one of claims 1 to 8, is characterized by comprising the following steps:
s1: mud-water separation
The device is arranged near a black and odorous water body pollution source, so that the black and odorous water body is introduced into the centrifugal rotary drum (11), the centrifugal rotary drum (11) rotates to enable the black and odorous water body to enter the cylindrical interception grating (14) under the action of centrifugal force, sludge is accumulated between the side wall of the centrifugal rotary drum (11) and the conical table (102),
s2: improved treatment of bottom mud
The improved microbial inoculum feeding device (12) feeds the improved microbial inoculum to the sludge in the centrifugal rotary drum (11); the sludge enters a sludge discharge groove (13) under the action of gravity and then flows back to the black and odorous water area;
the improved microbial inoculum comprises the following components in parts by weight: 10-15 parts of photosynthetic bacteria, 12-17 parts of bacillus subtilis, 15-22 parts of nitrobacteria, 15-22 parts of denitrifying bacteria and 30-50 parts of sulfurous bacteria;
s3: black and odorous water treatment
Black smelly water gets into circular cavity of second (20), and power motor (25) drive electrolysis board (23) rotation of load with oxidation graphite alkene powder, and centrifugal drive spare makes black smelly water erode electrolysis board (23) under the centrifugal force effect, and the pollutant in the black smelly water is adsorbed to oxidation graphite alkene, and electrolysis power module (24) is carried out electrolytic remediation to electrolysis board (23) circular telegram simultaneously.
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Cited By (1)
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| CN113461271B (en) | 2022-07-01 |
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