CN219929694U - Miniature air supporting device of oily waste water treatment - Google Patents
Miniature air supporting device of oily waste water treatment Download PDFInfo
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- CN219929694U CN219929694U CN202321086682.3U CN202321086682U CN219929694U CN 219929694 U CN219929694 U CN 219929694U CN 202321086682 U CN202321086682 U CN 202321086682U CN 219929694 U CN219929694 U CN 219929694U
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- air
- pipe
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- 238000004065 wastewater treatment Methods 0.000 title claims description 5
- 239000002351 wastewater Substances 0.000 claims abstract description 77
- 238000004062 sedimentation Methods 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000007790 scraping Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000003814 drug Substances 0.000 claims description 13
- 239000000701 coagulant Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000011403 purification operation Methods 0.000 abstract description 4
- 239000010802 sludge Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002244 precipitate Substances 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 description 11
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model provides a miniature air floatation device for treating oily wastewater, which relates to the technical field of environmental protection equipment, and comprises a wastewater tank and a dissolved air tank positioned at one side of the wastewater tank, wherein a PLC (programmable logic controller) is arranged on the wastewater tank; the waste water tank is internally provided with a sedimentation cavity and an oil residue cavity, the sedimentation cavity is communicated with the oil residue cavity, the outer wall of the waste water tank is at least fixedly provided with an electric push rod, the output end of the electric push rod penetrates through the inner wall of the sedimentation cavity and is provided with an oil scraping plate, and a piezoelectric liquid level sensor is arranged in the sedimentation cavity; the bottom of the inner wall of the sedimentation cavity is high at the periphery and low at the center, a mud discharging pipe is arranged below the inner part of the wastewater tank, and the feeding end of the mud discharging pipe penetrates through the center of the bottom of the inner wall of the sedimentation cavity; the utility model has the beneficial effects that: can remove impurity, oil sludge and take away the precipitate to oily waste water voluntarily, sustainable the purification operation that circulates to waste water, the cost of labor is low, and work efficiency is high.
Description
Technical Field
The utility model relates to the technical field of environmental protection equipment, in particular to a miniature air floatation device for treating oily wastewater.
Background
In recent years, the catering industry and the machining industry develop rapidly, the treatment process is mostly air floatation and integrated, part of oily sewage generated by catering laboratories is usually low in water quantity and cannot be treated in time, the conventional method is storage or outsourcing pretreatment, but the rough storage brings certain environmental protection risks, and the requirement on storage environment is high; off-premise disposal is relatively costly in the long term, and thus there is an urgent need for a micro air floatation device for oily wastewater treatment to solve the above-mentioned problems.
Disclosure of Invention
The miniature air floatation device for treating the oily wastewater can automatically remove impurities, oil scraping slag and pump away sediments from the oily wastewater, and can continuously perform cyclic purification operation on the wastewater, so that the labor cost is low and the working efficiency is high.
The aim and the effect of the utility model are achieved by the following specific technical means:
the miniature air floatation device for treating the oily wastewater comprises a wastewater tank and a dissolved air tank positioned at one side of the wastewater tank, wherein a PLC (programmable logic controller) is arranged on the wastewater tank;
the waste water tank is internally provided with a sedimentation cavity, an oil residue cavity and a clear water cavity, the sedimentation cavity is communicated with the oil residue cavity, the sedimentation cavity is communicated with the clear water cavity through a communicating pipe, at least one electric push rod is fixed on the outer wall of the waste water tank, the output end of the electric push rod penetrates through the inner wall of the sedimentation cavity and is provided with an oil scraping plate, and piezoelectric liquid level sensors are arranged in the sedimentation cavity and the dissolved air tank;
the sedimentation cavity inner wall bottom is high in all around, the inside below of waste water pond is equipped with the mud pipe, mud pipe feed end runs through sedimentation cavity inner wall bottom center department, and the mud pipe runs through out the waste water pond and installs the pump of taking out mud.
Optionally, a dissolved air pump and an air compressor are arranged beside the dissolved air tank, the inlet end and the outlet end of the dissolved air pump are both provided with guide pipes, the guide pipes at the outlet end of the dissolved air pump are connected and communicated with the flange of the dissolved air tank, and an air pipe is arranged between the air compressor and the dissolved air tank and communicated with the air pump.
Optionally, a reagent box is fixed at one corner inside the sedimentation cavity, coagulant is filled in the reagent box, a discharging pipe is arranged at the lower end of the reagent box, and an electric discharging valve is arranged on the discharging pipe.
Optionally, a conveying pipe is installed between the wastewater tank and the dissolved air tank, the discharge end of the conveying pipe penetrates through the inner wall of the sedimentation cavity and is communicated with the sedimentation cavity, a releaser is installed at the discharge end of the conveying pipe, a water outlet pipe communicated with the clear water cavity is installed at the outer wall of the wastewater tank, the height of the water outlet pipe is lower than that of the communicating pipe, the guide pipe at the inlet end of the dissolved air pump is connected with the flange of the water outlet pipe, and electromagnetic valves are installed on the sludge discharge pipe, the water outlet pipe and the conveying pipe.
Optionally, the lower end of the oil scraping plate is flush with the top in the oil residue cavity.
Optionally, the piezoelectric liquid level sensor in the medicament box and the sedimentation cavity are positioned on the same side and close to the electric push rod.
Compared with the prior art, the utility model has the beneficial effects that:
the miniature air floatation device for treating the oily wastewater is highly integrated, is simple to operate, can automatically remove impurities, scrape oil residues and pump away sediments from the oily wastewater, can continuously perform cyclic purification operation on the wastewater, is safe and reliable to operate, does not generally need special personnel to manage, only needs to timely maintain equipment, and is periodically configured with medicaments; the noise is low in the running process of the equipment, no peculiar smell exists, the service life is long, and the equipment can also be integrated with small-sized integrated equipment.
Drawings
FIG. 1 is a schematic top view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a cross-sectional front view of the wastewater tank of the present utility model;
fig. 3 is a schematic perspective view of the oil scraping plate of the present utility model.
The marks in the figure: the device comprises a wastewater tank 1, a sedimentation cavity 11, an electromagnetic valve 12, an oil residue cavity 13, a sludge discharge pipe 14, a water outlet pipe 15, a clear water cavity 16, a communicating pipe 17, a dissolved air tank 2, a conveying pipe 21, a releaser 211, a dissolved air pump 3, a conduit 31, an air compressor 4, an air pipe 41, an electric push rod 5, an oil scraping plate 6, a medicament box 7, a discharge pipe 71, a PLC controller 8, a sludge pump 9 and a piezoelectric liquid level sensor 10.
Detailed Description
Referring to fig. 1-3, embodiments of the present utility model are further described;
the miniature air floatation device for treating the oily wastewater comprises a wastewater tank 1 and a dissolved air tank 2 positioned at one side of the wastewater tank 1, wherein a PLC (programmable logic controller) 8 is arranged on the wastewater tank 1;
the waste water tank 1 is internally provided with a sedimentation cavity 11, an oil residue cavity 13 and a clear water cavity 16, the sedimentation cavity 11 is communicated with the oil residue cavity 13, the sedimentation cavity 11 is communicated with the clear water cavity 16 through a communicating pipe 17, a medicament box 7 is fixed at one corner inside the sedimentation cavity 11, a coagulant is arranged in the medicament box 7, the lower end of the medicament box 7 is provided with a discharge pipe 71, and an electric discharge valve is arranged on the discharge pipe 71;
when the electric discharge valve is opened, the coagulant in the medicament box 7 can be discharged into the sedimentation cavity 11 through the discharge pipe 71, and the coagulant can be contacted with the wastewater in the sedimentation cavity 11 to precipitate impurities in the wastewater, so that the wastewater becomes clear.
A conveying pipe 21 is arranged between the wastewater tank 1 and the dissolved air tank 2, and a releaser 211 is arranged at the discharge end of the conveying pipe 21;
a dissolved air pump 3 and an air compressor 4 are arranged beside the dissolved air tank 2, a conduit 31 is arranged at the inlet end and the outlet end of the dissolved air pump 3, the conduit 31 at the outlet end of the dissolved air pump 3 is connected and communicated with the dissolved air tank 2 in a flange manner, an air pipe 41 is arranged between the air compressor 4 and the dissolved air tank 2 and communicated with the dissolved air tank 2, and piezoelectric liquid level sensors 10 are arranged in the sedimentation cavity 11 and the dissolved air tank 2;
the outer wall of the wastewater tank 1 is provided with a water outlet pipe 15 communicated with a clean water cavity 16, the height of the water outlet pipe 15 is lower than that of a communicating pipe 17, and a conduit 31 at the inlet end of the dissolved air pump 3 is in flange connection with the water outlet pipe 15;
further, the operation time of the air compressor 4 is controlled by the liquid level in the air dissolving tank 2 through the piezoelectric liquid level sensor 10, after a period of time of wastewater treatment in the sedimentation cavity 11, the wastewater in the middle of the sedimentation cavity 11 is clear, the communicating pipe 17 can discharge the clear water into the clean water cavity 16 for the air dissolving tank 2, the water flowing out of the water outlet pipe 15 can be pumped into the air dissolving tank 2 when the air dissolving pump 3 works, high-pressure air can be provided in the air dissolving tank when the air compressor 4 works, the air dissolving tank 2 forms a vapor-water mixture with the clean water in the tank, the vapor-water mixture is conveyed into the sedimentation cavity 11 through the conveying pipe 21, a large amount of tiny bubbles can be rapidly diffused in the wastewater through the releaser 211, a water-vapor-particle three-phase mixed system is formed, after the particles adhere to the tiny bubbles, the apparent density is smaller than the floc of the water and floats upwards to the water surface, a floating slag layer is scraped, thereby realizing the process of solid-liquid or liquid-liquid separation, the suspended matters in the vapor can enter the sedimentation cavity 11, the sediment cavity 11 enters the water cavity 16 and the clean water cavity 16 is discharged into the clean water cavity 3 because of the high-water level is satisfied, and the normal operation of the water cavity is satisfied.
The sedimentation cavity 11 is communicated with the oil residue cavity 13, at least one electric push rod 5 is fixed on the outer wall of the wastewater tank 1, the output end of the electric push rod 5 penetrates through the inner wall of the sedimentation cavity 11 and is provided with an oil scraping plate 6, the medicament box 7 and a piezoelectric liquid level sensor 10 in the sedimentation cavity 11 are positioned on the same side and are close to the electric push rod 5, and the lower end of the oil scraping plate 6 is flush with the inner top of the oil residue cavity 13;
the piezoelectric liquid level sensor 10 is used for responding to the liquid level in the sedimentation chamber 11, oily waste water surface is one deck oil residue, when deoiling sediment is handled, the oil residue can be contacted to scraper 6 lower extreme, promote scraper 6 removal through starting electric putter 5, scraper 6 alright scrape the oil residue on waste water top layer from this, because sedimentation chamber 11 communicates with each other with oil residue chamber 13, and scraper 6 lower extreme flushes with the interior top of oil residue chamber 13, along with scraper 6 continuously removes, can push the oil residue of scraping into oil residue chamber 13, oil residue chamber 13 plays the effect of collecting to the oil residue, thereby just accomplish deoiling sediment and handle, can carry out deoiling sediment to waste water and handle, make waste water purifying effect better.
The bottom of the inner wall of the sedimentation cavity 11 is high at the periphery and low at the center, a mud discharging pipe 14 is arranged below the inner part of the wastewater tank 1, the feeding end of the mud discharging pipe 14 penetrates through the center of the bottom of the inner wall of the sedimentation cavity 11, the discharging end penetrates through the wastewater tank 1 and is provided with a mud pump 9, and electromagnetic valves 12 are arranged on the mud discharging pipe 14, the water outlet pipe 15 and a conveying pipe 21;
after the wastewater is treated for a period of time, suspended matters in the wastewater are treated by a coagulant to sink, liquid particles are adhered by bubbles to enable the suspended matters to float upwards, and because the bottom of the inner wall of the sedimentation cavity 11 is high in circumference and low in center, the sediment can move to the center of the bottom of the inner wall of the sedimentation cavity 11 and concentrate on the center, when more sediment in the sedimentation cavity 11 needs to be discharged, the electromagnetic valve 12 on the mud discharge pipe 14 is started to enable the mud discharge pipe 14 to be communicated with the mud pump 9, the mud pump 9 is started again, and the sediment in the sedimentation cavity 11 can be pumped out through the mud discharge pipe 14 by the mud pump 9, so that the sedimentation cavity 11 is used for purifying the wastewater subsequently.
The working principle of the miniature air floatation device is as follows:
the air dissolving pump 3, the air compressor 4, the electric push rod 5, the mud pump 9, the piezoelectric liquid level sensor 10, the electric discharge valve and the electromagnetic valves 12 are electrically connected with the PLC 8, the working and intermittent time of the electric discharge valve, the air pump 3, the air compressor 4, the electric push rod 5, the mud pump 9 and the electromagnetic valves 12 can be set through the PLC 8, the liquid level value of the piezoelectric liquid level sensor 10 can be preset, and when the waste water is subjected to oil residue scraping treatment, the liquid level in the sedimentation cavity 11 is caused to be continuously kept at the lower end of the oil scraping plate 6, so that the oil scraping plate 6 can be used for carrying out oil residue scraping treatment on the surface of the waste water in the later period;
the sedimentation chamber 11 can be externally connected with a sewage pump, oily wastewater generated in the catering and machining industries is pumped into the sedimentation chamber 11 through the sewage pump, when the micro air floatation device is used, the PLC 8 can firstly start the dissolved air pump 3, the air compressor 4 and the electromagnetic valve 12 on the water outlet pipe 15, the dissolved air pump 3 can pump clear wastewater in the clear water chamber 16 into the dissolved air tank 2 through the water outlet pipe 15 and the two pipes 31, the air compressor 4 pumps generated high-pressure air into the clear wastewater to form a vapor-water mixture, then the PLC 8 can start the electromagnetic valve 12 on the conveying pipe 21 and the electric discharge valve on the discharge pipe 71, the conveying pipe 21 can convey the vapor-water mixture into the sedimentation chamber 11, a large amount of tiny bubbles can be rapidly diffused in the wastewater through the releaser 15, the tiny bubbles can adhere to liquid particles in the wastewater to float upwards to form an oil residue layer, meanwhile, coagulant in the reagent tank 7 can be discharged into the wastewater through the discharge pipe 71, and impurities in the wastewater can be promoted to flocculate and precipitate under the common use of the tiny bubbles and coagulant, and the purification effect is greatly enhanced;
when the piezoelectric liquid level sensor 10 detects that the liquid level in the sedimentation cavity 11 is equal to a preset value, the oil scraping plate 6 contacts the surface of the wastewater, the piezoelectric liquid level sensor 10 transmits the signal to the PLC 8, the PLC 8 starts the electric push rod 5 to push the oil scraping plate 6 to scrape the oil residue on the surface of the wastewater, and the scraped oil residue is discharged into the oil residue cavity 13;
after the sedimentation cavity 11 purifies the wastewater for a period of time, sediment is concentrated and deposited at the center of the bottom of the inner wall of the sedimentation cavity 11, the PLC 8 can start the mud pump 9, the mud pump 9 can pump out sediment in the sedimentation cavity 11 through the mud pipe 14, and when the working time of the mud pump 9 and the electromagnetic valve 12 is up, the PLC 8 can close the mud pump 9 and the electromagnetic valve 12;
in conclusion, the miniature air floatation device is highly integrated, is simple to operate, can automatically and continuously carry out cyclic purification operation on wastewater, is safe and reliable to operate, does not generally need special management, only needs to timely maintain equipment, and is periodically configured with medicaments; the noise is low in the running process of the equipment, no peculiar smell exists, the service life is long, and the equipment can also be integrated with small-sized integrated equipment.
Claims (6)
1. The utility model provides a miniature air supporting device of oily waste water treatment, includes waste water pond (1) and is located dissolved air tank (2) of waste water pond (1) one side, install PLC controller (8), its characterized in that on waste water pond (1):
the waste water tank (1) is internally provided with a sedimentation cavity (11), an oil residue cavity (13) and a clear water cavity (16), the sedimentation cavity (11) is communicated with the oil residue cavity (13), the sedimentation cavity (11) is communicated with the clear water cavity (16) through a communicating pipe (17), at least one electric push rod (5) is fixed on the outer wall of the waste water tank (1), the output end of the electric push rod (5) penetrates through the inner wall of the sedimentation cavity (11) and is provided with an oil scraping plate (6), and piezoelectric liquid level sensors (10) are arranged in the sedimentation cavity (11) and the dissolved air tank (2);
the sedimentation cavity (11) inner wall bottom is high center low all around, waste water pond (1) inside below is equipped with mud pipe (14), mud pipe (14) feed end runs through sedimentation cavity (11) inner wall bottom center department, and the discharge end runs through waste water pond (1) and installs pump (9).
2. The micro air floatation device for treating oily wastewater according to claim 1, wherein: the air dissolving tank is characterized in that an air dissolving pump (3) and an air compressor (4) are arranged beside the air dissolving tank (2), guide pipes (31) are arranged at the inlet end and the outlet end of the air dissolving pump (3), the guide pipes (31) at the outlet end of the air dissolving pump (3) are connected with the air dissolving tank (2) in a flange mode and communicated with each other, and an air pipe (41) is arranged between the air compressor (4) and the air dissolving tank (2) and communicated with each other.
3. The micro air floatation device for treating oily wastewater according to claim 1, wherein: the sedimentation device is characterized in that a medicament box (7) is fixed at one corner inside the sedimentation cavity (11), a coagulant is arranged in the medicament box (7), a discharging pipe (71) is arranged at the lower end of the medicament box (7), and an electric discharging valve is arranged on the discharging pipe (71).
4. The micro air floatation device for treating oily wastewater according to claim 2, wherein: install conveyer pipe (21) between waste water pond (1) and dissolved air tank (2), conveyer pipe (21) discharge end runs through sedimentation chamber (11) inner wall and communicates with each other with it, and conveyer pipe (21) discharge end installs releaser (211), waste water pond (1) outer wall install with clear water chamber (16) communicating outlet pipe (15), the height of outlet pipe (15) is less than communicating pipe (17), dissolved air pump (3) entrance catheter (31) and outlet pipe (15) flange joint, solenoid valve (12) are all installed to mud pipe (14), outlet pipe (15) and conveyer pipe (21).
5. The micro air floatation device for treating oily wastewater according to claim 1, wherein: the lower end of the oil scraping plate (6) is flush with the inner top of the oil residue cavity (13).
6. A micro air floatation device for treating oily wastewater according to claim 3, wherein: the medicament box (7) and the piezoelectric liquid level sensor (10) in the sedimentation cavity (11) are positioned on the same side and are close to the electric push rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086682.3U CN219929694U (en) | 2023-05-08 | 2023-05-08 | Miniature air supporting device of oily waste water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086682.3U CN219929694U (en) | 2023-05-08 | 2023-05-08 | Miniature air supporting device of oily waste water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219929694U true CN219929694U (en) | 2023-10-31 |
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ID=88485694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321086682.3U Active CN219929694U (en) | 2023-05-08 | 2023-05-08 | Miniature air supporting device of oily waste water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219929694U (en) |
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2023
- 2023-05-08 CN CN202321086682.3U patent/CN219929694U/en active Active
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