CN115159777B - Sewage treatment device, sewage treatment system, and sewage treatment method - Google Patents
Sewage treatment device, sewage treatment system, and sewage treatment method Download PDFInfo
- Publication number
- CN115159777B CN115159777B CN202210792784.0A CN202210792784A CN115159777B CN 115159777 B CN115159777 B CN 115159777B CN 202210792784 A CN202210792784 A CN 202210792784A CN 115159777 B CN115159777 B CN 115159777B
- Authority
- CN
- China
- Prior art keywords
- sewage
- outlet pipe
- liquid
- conveying device
- box
- 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.)
- Active
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 157
- 238000011282 treatment Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 134
- 238000001914 filtration Methods 0.000 claims abstract description 57
- 239000003814 drug Substances 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000000945 filler Substances 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 15
- 239000002689 soil Substances 0.000 claims description 14
- 238000001556 precipitation Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000011221 initial treatment Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 238000004062 sedimentation Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 41
- 239000002912 waste gas Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 description 10
- 241001465754 Metazoa Species 0.000 description 8
- 238000000746 purification Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 230000010405 clearance mechanism Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000857 drug effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a sewage treatment device, a sewage treatment system and a sewage treatment method, which relate to the technical field of sewage treatment and aim at solving the problems that liquid medicine cannot fully play a role, waste gas is directly discharged, a treatment tank cannot be cleaned, a liquid filtering mechanism is inconvenient to replace, and treated sewage is not fully utilized; the first air outlet pipe, the second air outlet pipe and the gas filtering device are arranged, and the gas in the mixing box and the treatment box can enter the gas filtering device through the first air outlet pipe and the second air outlet pipe respectively to purify waste gas; the cleaning mechanism is arranged to clean the inside of the treatment box; the filter tank and the liquid filtering mechanism are arranged, so that the liquid filtering mechanism can move up and down along the inner wall of the filter tank, and is convenient to take out, clean or replace; the ecological pool is arranged, so that the treated sewage can be stored and fully utilized.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device, a sewage treatment system and a sewage treatment method.
Background
The sewage is a general term of water discharged in production and living activities, the water which loses the original use function is simply referred to as sewage, and the sewage is formed by adding new substances into the water or by changing external conditions, so that the water is deteriorated and the original use function cannot be kept; from the viewpoint of sewage source, sewage may be defined as waste-carrying liquid or water mixed with ground water, surface water, storm snow, etc. discharged from residential, institutional, commercial or industrial areas; there are many categories of wastewater and correspondingly many technologies and processes for reducing the impact of wastewater on the environment; according to sewage sources, sewage can be divided into four types; the first category, industrial wastewater, wastewater from manufacturing mining and industrial production activities, including wastewater from runoff leachate from industrial or commercial storage, processing, and other than domestic wastewater; a second class of domestic sewage from homes, office buildings, institutions or the like; sanitary sewage, sewer sewage, including industrial wastewater mixed in domestic sewage in a sewer system; third, commercial sewage, non-toxic, harmless sewage from commercial facilities and certain components exceeding those of domestic sewage, such as catering, laundry, animal feeding, and sewage produced by hair salons; fourth, surface runoff, from rain, snow, highway offal, water from cities and industrial areas, etc., does not penetrate into the soil, along streets and land into groundwater.
Sewage treatment is a process of purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused; the sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy sources, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and the sewage treatment is increasingly carried into the daily life of common people.
Chinese patent CN201710866920.5 discloses a sewage treatment device and a tunnel wastewater treatment system and method, and adopts the technical scheme that the tunnel wastewater treatment system comprises an adjusting tank, a conveying device, a mixer, a sewage treatment device and a clean water tank; the regulating tank, the conveying device, the mixer, the sewage treatment device and the clean water tank are sequentially connected through pipelines; the sewage treatment device comprises a flocculation tank, a sedimentation tank and a filter tank; the problems in the technical scheme are as follows: the liquid medicine and the sewage are mixed by adopting the tubular mixer, and the flow speed is too high, so that the reaction time is short after the liquid medicine and the sewage are combined, the drug effect cannot fully play a role, and the liquid medicine cannot be uniformly and comprehensively mixed with the sewage by adopting the method; after the liquid medicine is mixed with sewage, peculiar smell and even harmful gas can be generated, but in the technical scheme, the peculiar smell and the harmful gas are directly discharged through the exhaust port, so that the environment is easily polluted and the physical health of surrounding staff is influenced; the sedimentation tank can accumulate a large amount of impurities after being used for a period of time, so that adverse effects are generated on the subsequent treatment and purification of sewage; the filter plate is positioned in the filter box, and the filter box is of a closed design, so that the filter plate cannot be replaced after being damaged; the treated sewage is directly discharged into a clean water tank, and although the sewage is purified, the sewage still does not reach the standard capable of being directly drunk, so that a large amount of purified sewage is stored, time and labor are wasted, and the purified sewage cannot be fully utilized.
Disclosure of Invention
In view of the problems in the prior art, the invention discloses a sewage treatment device, which adopts the technical scheme that the sewage treatment device comprises a treatment box and a control circuit, wherein a microprocessor is arranged in the control circuit, so that the electric elements in the device can be controlled and managed uniformly; still include deposit filler, third feed liquor pipe, drain, clearance mechanism, bracing piece, second outlet duct, second drain pipe, filter tank, liquid filtering mechanism, gas filtering mechanism, fixed block, third drain pipe, the treatment box is inside to be equipped with deposit filler clearance mechanism, deposit filler can be used for purifying sewage, clearance mechanism can be cleared up the lower part of treatment box with the bottom of deposit filler, the side bottom is equipped with the third feed liquor pipe, has the valve the drain is used for feed liquor and blowdown respectively, and the top is through a plurality of the bracing piece is connected gas filtering mechanism is used for connecting fixedly, and side upper portion is passed through the second drain pipe is connected the filter tank can be with the sewage input after the purification in the filter tank, the treatment box top with gas filtering mechanism bottom is passed through the second outlet duct intercommunication, through gas filtering mechanism can be right upward flowing's air in the treatment box purifies, be equipped with in the filter tank the fixed block, can place other parts, the side bottom is equipped with the third feed liquor pipe, the filter tank is used for connecting the clean-up mechanism, the bottom is connected to the clean up mechanism, can be used for the removal of the microprocessor, the bottom is connected to the clean up, the two is convenient for sliding.
As a preferable technical scheme of the invention, the cleaning mechanism comprises a second motor, a second rotating shaft and a first frame body, wherein the top of the processing box is fixedly connected with the second motor and used for being fixedly connected, the shaft is connected with the second rotating shaft so that the second rotating shaft can rotate, the top of the second rotating shaft is connected with the second motor and can provide power for the rotation of the second motor, the side surface of the second rotating shaft is in sliding connection with the precipitation filler so as not to obstruct the rotation of the second rotating shaft, the bottom of the second rotating shaft is connected with the first frame body and used for scraping and cleaning, the bottom and the side surface of the first frame body are both in sliding connection with the processing box and can clean the lower part of the processing box, the top of the second rotating shaft is in sliding connection with the precipitation filler and can clean the bottom of the precipitation filler, and the second motor is connected with the microprocessor so as to facilitate uniform operation and control.
As a preferable technical scheme of the invention, the liquid filtering mechanism comprises a handle, a connecting rod, a second frame body and a filter screen, wherein the plurality of connecting rods with the handle are arranged at the top of the second frame body, the handle is pulled upwards, the second frame body can be pulled upwards through the connecting rods, the filter screen is arranged in the second frame body and is used for filtering sewage, the side surface of the filter screen is connected with the filtering tank in a sliding manner, so that the movement of the second frame body is not influenced, and the bottom of the filter screen is connected with the fixed block in a sliding manner, so that the movement of the second frame body is not influenced.
As a preferable technical scheme of the invention, the gas filtering mechanism comprises a third air outlet pipe, a filter box, an active carbon filter layer and a baffle plate, wherein the bottom of the filter box is connected with the second air outlet pipe and a plurality of support rods for gas circulation and support and fixation respectively, the active carbon filter layer is arranged in the filter box and is used for filtering air, the top of the side surface is provided with the third air outlet pipe and is used for discharging filtered gas, and the upper end and the lower end of the baffle plate are respectively connected with the active carbon filter layer and the filter box, so that an air inlet cavity below the active carbon filter layer can be divided into two parts to prevent gas from flowing in disorder.
A sewage treatment system comprising a sewage treatment apparatus as described in any one of the above.
As a preferable technical scheme of the invention, the device further comprises an adjusting tank, a first conveying device, a liquid medicine throwing box, a mixing box, a second conveying device, a third conveying device, an ecological tank, a fourth conveying device, a first liquid inlet pipe, a second liquid inlet pipe, a first air outlet pipe, a stirring mechanism, a first liquid outlet pipe, a fourth liquid inlet pipe, a soil layer, a rubble layer, a grille, a baffle plate and a fourth liquid outlet pipe, wherein the upper part of the side surface of the mixing box is provided with the first liquid inlet pipe and the second liquid inlet pipe for liquid feeding, the top part is connected with the gas filtering mechanism through the first air outlet pipe, the gas can be filtered to prevent from polluting the environment, the stirring mechanism is arranged in the interior, the bottom of the side surface is provided with the first liquid outlet pipe for discharging liquid, the upper part of the ecological tank is provided with the fourth liquid inlet pipe for liquid feeding, the lower part is provided with the fourth liquid outlet pipe for liquid discharging, the rubble layer and the soil layer are sequentially arranged in the interior from bottom to top, the baffle plate and the fourth liquid outlet pipe are correspondingly arranged in the position, the fourth liquid outlet pipe is connected with the fourth liquid outlet pipe for liquid inlet pipe through the first liquid inlet pipe, the third conveying device is connected with the fourth liquid inlet pipe for liquid conveying device, the third liquid conveying device is connected with the fourth liquid conveying device through the fourth liquid inlet pipe, the ecological tank is connected with the fourth liquid conveying device through the fourth liquid conveying device, the fourth liquid conveying device can be prevented from polluting the environment, the first conveying device, the second conveying device, the third conveying device, the fourth conveying device and the stirring mechanism are connected with the microprocessor, so that unified control and management are facilitated.
As a preferable technical scheme of the invention, the stirring mechanism comprises a first motor, a first rotating shaft and stirring rods, wherein the first motor is arranged at the right end of the mixing box and used for being fixedly connected, the inner shaft is connected with the first rotating shaft so that the first rotating shaft can rotate, a plurality of stirring rods are arranged on the first rotating shaft and used for stirring, and the first motor is connected with the microprocessor so as to facilitate uniform operation.
A sewage treatment method implemented using the sewage treatment system as described above, comprising the steps of:
step one: collecting sewage into the regulating tank for collecting sewage;
step two: starting the first conveying device to convey sewage into the mixing box;
step three: adding the liquid medicine in the liquid medicine feeding box into the mixing box, wherein the liquid medicine can be flocculant;
step four: starting the stirring mechanism to enable the sewage and the liquid medicine to be fully mixed, and standing for minutes to obtain the sewage after preliminary treatment;
step five: starting the second conveying device, conveying the sewage subjected to the primary treatment in the step four to the sewage treatment device, and performing a series of treatments on the sewage to obtain a clean water body;
step six: starting the third conveying device to convey the clean water body in the fifth step into the ecological pool, wherein aquatic animals and plants can be placed in the ecological pool;
step seven: when the water body in the ecological pool becomes sewage again, starting the fourth conveying device, and pumping the sewage in the ecological pool into the regulating pool;
step eight: the steps are repeated, so that the sewage can be treated again, and the sewage can be treated circularly.
The invention has the beneficial effects that: the invention can stir the sewage and the liquid medicine entering the mixing box by arranging the mixing box and the stirring mechanism, so that the sewage and the liquid medicine are uniformly and comprehensively mixed, and the mixed liquid of the sewage and the liquid medicine can be kept stand for a period of time after the sewage and the liquid medicine are mixed, so that the drug effect of the liquid medicine can be fully exerted; by arranging the first air outlet pipe, the second air outlet pipe and the air filtering device, the air in the mixing box and the air in the processing box can enter the air filtering device through the first air outlet pipe and the second air outlet pipe respectively, even if the liquid medicine and the sewage are possibly mixed to generate peculiar smell and even harmful gas, the waste gas can be purified, and the environmental pollution or the physical health of surrounding staff is avoided; by arranging the cleaning mechanism and the sewage outlet with the valve, when a large amount of impurities are accumulated in the treatment box, the cleaning mechanism can be started to scrape and scrape the lower part of the treatment box and the bottom of the precipitated filler, and the impurities are discharged through the sewage outlet, so that adverse effects on the subsequent treatment and purification of sewage are avoided; by arranging the filter tank and the liquid filtering mechanism, the liquid filtering mechanism can move up and down along the inner wall of the filter tank, and can be conveniently taken out for cleaning or replacement when the liquid filtering mechanism is excessively dirty or damaged; through setting up ecological pond, can directly arrange the sewage after the processing in ecological pond, not only can carry out make full use of to it, can also utilize ecological pond aquatic life, the health condition of plant to evaluate the treatment effect of sewage.
Drawings
FIG. 1 is a schematic diagram of a sewage treatment system according to the present invention;
FIG. 2 is a schematic cross-sectional view of a mixing tank of the present invention;
FIG. 3 is a schematic sectional view of a front view of the sewage treatment apparatus of the present invention;
FIG. 4 is a schematic view of a part of the structure of the sewage treatment apparatus according to the present invention in a plan view;
FIG. 5 is a schematic structural view of a cross-sectional view of an ecological pool of the present invention.
In the figure: 1. an adjusting tank; 2. a first conveying device; 3. a liquid medicine delivery box; 4. a mixing box; 5. a second conveying device; 6. a sewage treatment device; 7. a third conveying device; 8. an ecological pool; 9. a fourth conveying device; 10. a first liquid inlet pipe; 11. a second liquid inlet pipe; 12. a first air outlet pipe; 13. a stirring mechanism; 1301. a first motor; 1302. a first rotating shaft; 1303. a stirring rod; 14. a first liquid outlet pipe; 15. a treatment box; 16. precipitating the filler; 17. a third liquid inlet pipe; 18. a sewage outlet; 19. a cleaning mechanism; 1901. a second motor; 1902. a second rotating shaft; 1903. a first frame; 20. a support rod; 21. a second air outlet pipe; 22. a second liquid outlet pipe; 23. a filtering tank; 24. a liquid filtering mechanism; 2401. a handle; 2402. a connecting rod; 2403. a second frame; 2404. a filter screen; 25. a gas filtering mechanism; 2501. a third air outlet pipe; 2502. a filter box; 2503. an activated carbon filter layer; 2504. a partition plate; 26. a fixed block; 27. a third liquid outlet pipe; 28. a fourth liquid inlet pipe; 29. a soil layer; 30. a crushed stone layer; 31. a grille; 32. a baffle; 33. and a fourth liquid outlet pipe.
Detailed Description
Example 1
As shown in fig. 1 to 5, the present invention discloses a sewage treatment apparatus, after sewage enters a treatment tank 15 through a third liquid inlet pipe 17, impurities are accumulated continuously by a precipitation filler 16 in the process of purifying sewage, so that the purification performance and efficiency are affected, and therefore, in this embodiment, a cleaning mechanism 19 is provided, so that impurities at the lower part of the treatment tank 15 and at the bottom of the precipitation filler 16 can be cleaned, and the impurities are discharged through a sewage drain 18.
Because sewage can produce some peculiar smell and even harmful gas in the purification process, in order to protect the environment and the health of surrounding staff, the embodiment is provided with the gas filtering mechanism 25, and the supporting rod 20 is fixedly connected above the treatment box 15, and the top of the treatment box 15 is communicated with the bottom of the gas filtering mechanism 25 through the second air outlet pipe 21, so that the waste gas in the treatment box 15 can enter the gas filtering mechanism 25 through the second air outlet pipe 21 and is discharged after being purified.
Since the filtering of the sewage by the precipitation filler 16 is not thorough enough, in this embodiment, a filtering tank 23 and a liquid filtering mechanism 24 are provided, the sewage treated in the treatment tank 15 is led into the filtering tank 23 through the second liquid outlet pipe 22, and finally filtered by the liquid filtering mechanism 24 placed on the fixed block 26, so as to obtain a clean water body, and finally discharged by the third liquid outlet pipe 27.
In order to realize the cleaning function of the cleaning mechanism 19, a second motor 1901, a second rotating shaft 1902 and a first frame 1903 are arranged, the top of the processing box 15 is fixedly connected with the second motor 1901 and used for being fixedly connected, the shaft is connected with the second rotating shaft 1902, the second rotating shaft 1902 can rotate, the top of the second rotating shaft 1902 is connected with the second motor 1901 and can provide power for the rotation of the second motor 1901, the side surface is in sliding connection with the precipitation filler 16, the rotation of the second rotating shaft 1902 is not hindered, the bottom of the precipitation filler is connected with the first frame 1903 and used for scraping and cleaning, the bottom of the first frame 1903 and the side surface are both in sliding connection with the processing box 15, the lower part of the processing box 15 can be cleaned, the top of the precipitation filler 16 is in sliding connection with the top of the precipitation filler 16, the second motor 1901 is connected with a microprocessor, and unified operation control is convenient.
In order to realize the liquid filtering function of the liquid filtering mechanism 24, a handle 2401, a connecting rod 2402, a second frame 2403 and a filter screen 2404 are arranged, a plurality of connecting rods 2402 with handles 2401 are arranged at the top of the second frame 2403, the handles 2401 are pulled upwards, the second frame 2403 can be pulled upwards through the connecting rods 2402, the filter screen 2404 is arranged inside and used for filtering sewage, the side surface is in sliding connection with the filter tank 23, so that the movement of the second frame 2403 cannot be influenced, and the bottom is in sliding connection with the fixed block 26, so that the movement of the second frame 2403 cannot be influenced.
In order to realize the gas filtering function of the gas filtering mechanism 25, a third gas outlet pipe 2501, a filter box 2502, an activated carbon filter layer 2503 and a partition plate 2504 are arranged, the bottom of the filter box 2502 is connected with a second gas outlet pipe 21 and a plurality of support rods 20, the second gas outlet pipe 21 and the support rods are respectively used for gas circulation and support fixation, the activated carbon filter layer 2503 is arranged in the filter box for filtering air, the third gas outlet pipe 2501 is arranged at the top of the side face and used for discharging filtered gas, the upper end and the lower end of the partition plate 2504 are respectively connected with the activated carbon filter layer 2503 and the filter box 2502, and an air inlet cavity below the activated carbon filter layer 2503 can be divided into two parts to prevent gas from flowing in disorder.
The invention discloses a sewage treatment system, which comprises any one of the sewage treatment devices 6.
In order to collect and store sewage and perform primary treatment on the sewage, the embodiment is provided with a regulating tank 1, a first conveying device 2, a liquid medicine feeding box 3, a mixing box 4 and a second conveying device 5, the sewage can be conveyed from the regulating tank 1 to the mixing box 4 through the cooperation of the first conveying device 2 and a first liquid inlet pipe 10, then the liquid medicine in the liquid medicine feeding box 3 is input into the mixing box 4 through a second liquid inlet pipe 11, the sewage can be subjected to primary treatment, and finally the sewage after primary treatment can be conveyed to a sewage treatment device 6 for secondary treatment through the cooperation of the second conveying device 5 and a first liquid outlet pipe 14.
Since the liquid medicine is directly input into the mixing tank 4, insufficient mixing of the sewage and the liquid medicine can be caused, the stirring mechanism 13 is arranged in the embodiment, and the sewage and the liquid medicine can be fully mixed in the mixing tank 4, so that the liquid medicine can play a role to the greatest extent, and further, the sewage is subjected to more uniform and comprehensive primary treatment.
Since the sewage and the liquid medicine may generate peculiar smell and even harmful gas in the mixing process, the first air outlet pipe 12 connected with the air filtering mechanism 25 is provided in the embodiment, so that environmental pollution or influence on the physical health of surrounding staff can be avoided.
In order to fully utilize the purified sewage, an ecological pool 8 is arranged, the sewage treated by the sewage treatment device 6 can be conveyed to the ecological pool 8 through the cooperation of the third conveying device 7 and the fourth liquid inlet pipe 28, a soil layer 29 and a gravel layer 30 are arranged in the ecological pool 8, and aquatic animals and plants can be cultivated after the clean sewage is input, so that the purified sewage is prevented from being effectively utilized, and whether the treated sewage meets the national standard can be observed through the health condition of the aquatic animals and plants.
Since aquatic animals, such as fish, produce feces during life and further affect the degree of cleanliness of the water, the water becomes dirty, and in order to treat the dirty water, a fourth liquid outlet pipe 33 is provided, and the dirty water in the ecological tank 8 can be conveyed to the regulating tank 1 by the fourth conveying device 9 to perform further treatment and purification.
Since the fourth conveyor 9 is easy to pump out soil on the soil layer 29 and even fish in the ecological pool 8 during pumping, the grating 31 and the baffle 32 are provided in this embodiment, so that fish and soil on the soil layer 29 can be prevented from being pumped out, respectively.
In order to realize the stirring function of the stirring mechanism 13, a first motor 1301, a first rotating shaft 1302 and a stirring rod 1303 are arranged, the right end of the mixing box 4 is provided with the first motor 1301 and used for connecting and fixing, the inner shaft is connected with the first rotating shaft 1302, the first rotating shaft 1302 can rotate, a plurality of stirring rods 1303 are arranged on the first rotating shaft 1302 and used for stirring, and the first motor 1301 is connected with a microprocessor and is convenient for unified operation.
The sewage treatment method realized by the sewage treatment system comprises the following steps:
step one: collecting sewage into the regulating tank 1 for collecting sewage;
step two: starting the first conveying device 2 to convey sewage into the mixing box 4;
step three: adding the liquid medicine in the liquid medicine feeding box 3 into the mixing box 4, wherein the liquid medicine can be flocculant;
step four: the stirring mechanism 13 is started to fully mix the sewage and the liquid medicine, and then the mixture is kept stand for 30 minutes,
obtaining sewage after preliminary treatment;
step five: starting a second conveying device 5, conveying the sewage subjected to the primary treatment in the step four to a sewage treatment device 6, and performing a series of treatments on the sewage to obtain a clean water body;
step six: starting a third conveying device 7, conveying the clean water body in the fifth step into an ecological pool 8, wherein aquatic animals and plants can be placed in the ecological pool 8;
step seven: when the water body in the ecological pool 8 becomes sewage again, the fourth conveying device 9 is started to pump the sewage in the ecological pool 8 into the regulating pool 1;
step eight: the steps are repeated, so that the sewage can be treated again, and the sewage can be treated circularly.
The working principle of the invention is as follows: the sewage is collected into the regulating tank 1, when the sewage is treated, the sewage is conveyed into the mixing tank 4 through the cooperation of the first conveying device 2 and the first liquid inlet pipe 10, the liquid medicine in the liquid medicine throwing tank 3 is input into the mixing tank 4 through the second liquid inlet pipe 11, the stirring mechanism 13 is started to fully mix the liquid medicine and the sewage, the generated gas can enter the gas filtering mechanism 25 through the first air outlet pipe 12, after the sewage in the mixing tank 4 is treated for the first time, the second conveying device 5 is started to enable the liquid to sequentially enter the treatment tank 15 in the sewage treatment device 6 through the first liquid outlet pipe 14 and the third liquid inlet pipe 17, the sedimentation filler 16 can treat the sewage again, when the impurities in the treatment tank 15 are excessive, the impurities can be cleaned through the cleaning mechanism 19 and discharged through the sewage outlet 18, the generated gas enters a gas filtering mechanism 25 supported and fixed by a supporting rod 20 through a second gas outlet pipe 21, the treated sewage enters a filtering tank 23 through a second liquid outlet pipe 22, the sewage can be subjected to final filtering purification through a liquid filtering mechanism 24 on a fixed block 26, a third conveying device 7 is started, the finally filtered and purified water sequentially passes through a third liquid outlet pipe 27 and a fourth liquid inlet pipe 28 and enters an ecological pool 8, a soil layer 29 and a gravel layer 30 are used as a base layer, aquatic animals and plants can be cultivated in the water above the water, after the water is polluted, the fourth conveying device 9 can be started, the water in the ecological pool 8 enters an adjusting pool 1 through a fourth liquid outlet pipe 33 to form circulation, and when the fourth conveying device 9 is started, a baffle 32 can prevent the soil on the soil layer 29 from being extracted, and a grid 31 can prevent aquatic animals such as fish from being extracted; when the stirring mechanism 13 works, the first motor 1301 is started, so that the first rotating shaft 1302 rotates, and the stirring rod 1303 is driven to stir and mix the liquid medicine and the sewage; when the cleaning mechanism 19 works, the second motor 1901 is started to enable the second rotating shaft 1902 to rotate, and then the first frame 1903 is driven to scrape and scrape impurities at the lower part of the treatment box 15 and at the bottom of the precipitation filler 16; when the liquid filtering mechanism 24 works, sewage entering the filtering tank 23 through the second liquid outlet pipe 22 can be filtered by the filter screen 2404 in the falling process, when excessive impurities on the filter screen 2404 exist, the connecting rod 2402 can be pulled upwards through the handle 2401, so that the second frame 2403 moves upwards and is separated from the filtering tank 23, and at the moment, the filter screen 2404 can be cleaned or replaced; when the gas filtering mechanism 25 is operated, the gas entering the filter box 2502 through the first gas outlet pipe 12 and the second gas outlet pipe 21 is separated by the partition plate 2504, and then filtered by the activated carbon filter layer 2503 in the process of floating upwards, and finally discharged to the outside through the third gas outlet pipe 2501.
The microprocessor adopts an Aitermer 89C51 singlechip for starting and stopping the motor, and the technical teaching can be obtained by referring to technical manuals published by teaching materials or manufacturers by a person skilled in the art of pins and connection modes of 89C 51.
The circuit connection related by the invention is a conventional means adopted by the person skilled in the art, can be obtained through limited tests, and belongs to common general knowledge.
The components not described in detail herein are prior art.
Although the specific embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present invention without departing from the spirit of the present invention, which is within the scope of the present invention.
Claims (2)
1. Sewage treatment system, its characterized in that: the sewage treatment device comprises a sewage treatment device, a treatment box (15) and a control circuit, wherein a microprocessor is arranged in the control circuit; the sewage treatment device further comprises a sedimentation filler (16), a third liquid inlet pipe (17), a sewage outlet (18), a cleaning mechanism (19), a supporting rod (20), a second air outlet pipe (21), a second liquid outlet pipe (22), a filter tank (23), a liquid filtering mechanism (24), a gas filtering mechanism (25), a fixed block (26) and a third liquid outlet pipe (27), wherein the sedimentation filler (16) and the cleaning mechanism (19) are arranged in the treatment tank (15), the third liquid inlet pipe (17) and the sewage outlet (18) with a valve are arranged at the bottom of the side surface, the top of the air filtering mechanism is connected with the gas filtering mechanism (25) through a plurality of the supporting rods (20), the upper part of the side surface is connected with the filter tank (23) through the second liquid outlet pipe (22), the top of the treatment tank (15) is communicated with the bottom of the gas filtering mechanism (25) through the second air outlet pipe (21), the fixed block (26) is arranged in the filter tank (23), the third liquid outlet pipe (27) is arranged at the bottom of the side surface, the liquid filtering mechanism (24) is connected with the bottom of the filter tank (23) in a sliding mode, and the microprocessor (19) is connected with the bottom of the filter tank (26) in a sliding mode;
the cleaning mechanism (19) further comprises a second motor (1901), a second rotating shaft (1902) and a first frame body (1903), the top of the processing box (15) is fixedly connected with the second motor (1901), the processing box is connected with the second rotating shaft (1902) through a shaft, the top of the second rotating shaft (1902) is connected with the second motor (1901), the side face of the processing box is slidingly connected with the precipitation filler (16), the bottom of the processing box is connected with the first frame body (1903), the bottom and the side face of the first frame body (1903) are slidingly connected with the processing box (15), the top of the processing box is slidingly connected with the precipitation filler (16), and the second motor (1901) is connected with the microprocessor;
the liquid filtering mechanism (24) further comprises a handle (2401), a connecting rod (2402), a second frame body (2403) and a filter screen (2404), wherein the top of the second frame body (2403) is provided with a plurality of connecting rods (2402) with the handle (2401), the filter screen (2404) is arranged in the connecting rods, the side face of the connecting rods is in sliding connection with the filter tank (23), and the bottom of the connecting rods is in sliding connection with the fixed block (26);
the gas filtering mechanism (25) further comprises a third air outlet pipe (2501), a filter box (2502), an active carbon filter layer (2503) and a partition plate (2504), wherein the bottom of the filter box (2502) is connected with the second air outlet pipe (21) and a plurality of support rods (20), the active carbon filter layer (2503) is arranged in the filter box, the third air outlet pipe (2501) is arranged at the top of the side face of the filter box, and the upper end and the lower end of the partition plate (2504) are respectively connected with the active carbon filter layer (2503) and the filter box (2502);
the sewage treatment system further comprises an adjusting tank (1), a first conveying device (2), a liquid medicine throwing box (3), a mixing box (4), a second conveying device (5), a third conveying device (7), an ecological tank (8), a fourth conveying device (9), a first liquid inlet pipe (10), a second liquid inlet pipe (11), a first air outlet pipe (12), a stirring mechanism (13), a first liquid outlet pipe (14), a fourth liquid inlet pipe (28), a soil layer (29), a crushed stone layer (30), a grid (31), a baffle (32) and a fourth liquid outlet pipe (33), the upper part of the side surface of the mixing box (4) is provided with the first liquid inlet pipe (10) and the second liquid inlet pipe (11), the top is connected with the gas filtering mechanism (25) through the first air outlet pipe (12), the stirring mechanism (13) is arranged inside, the first liquid outlet pipe (14) is arranged at the bottom of the side surface of the ecological tank (8), the fourth liquid inlet pipe (28) is arranged at the upper part of the side surface, the fourth liquid outlet pipe (33) is arranged at the lower part of the side surface, the lower part of the ecological tank (8) is provided with the stone layer (30), the grid (31) is arranged at the whole position corresponding to the inclined position (33) of the soil layer (8), the regulating tank (1) is connected with the first liquid inlet pipe (10) through the first conveying device (2), the liquid medicine throwing box (3) is connected with the second liquid inlet pipe (11), the first liquid outlet pipe (14) is connected with the third liquid inlet pipe (17) on the sewage treatment device (6) through the second conveying device (5), the third liquid outlet pipe (27) is connected with the fourth liquid inlet pipe (28) through the third conveying device (7), the fourth liquid outlet pipe (33) is connected with the regulating tank (1) through the fourth conveying device (9), and the first conveying device (2), the second conveying device (5), the third conveying device (7), the fourth conveying device (9) and the stirring mechanism (13) are all connected with the microprocessor;
the stirring mechanism (13) further comprises a first motor (1301), a first rotating shaft (1302) and a stirring rod (1303), wherein the first motor (1301) is arranged at the right end of the mixing box (4), the first rotating shaft (1302) is connected to the inner shaft, a plurality of stirring rods (1303) are arranged on the first rotating shaft (1302), and the first motor (1301) is connected with the microprocessor.
2. A sewage treatment method implemented by the sewage treatment system according to claim 1, characterized in that: the method comprises the following steps:
step one: collecting sewage into the regulating tank (1);
step two: starting the first conveying device (2) to convey sewage into the mixing box (4);
step three: adding the liquid medicine in the liquid medicine feeding box (3) into the mixing box (4);
step four: starting the stirring mechanism (13) to enable the sewage and the liquid medicine to be fully mixed, and standing for 30 minutes to obtain the sewage after preliminary treatment;
step five: starting the second conveying device (5), conveying the sewage subjected to the primary treatment in the step four to the sewage treatment device (6), and performing a series of treatments on the sewage to obtain a clean water body;
step six: starting the third conveying device (7) to convey the clean water body in the fifth step into the ecological pool (8);
step seven: when the water body in the ecological pool (8) becomes sewage again, starting the fourth conveying device (9) to pump the sewage in the ecological pool (8) into the regulating pool (1);
step eight: and repeating the steps to treat the sewage again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210792784.0A CN115159777B (en) | 2022-07-05 | 2022-07-05 | Sewage treatment device, sewage treatment system, and sewage treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210792784.0A CN115159777B (en) | 2022-07-05 | 2022-07-05 | Sewage treatment device, sewage treatment system, and sewage treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115159777A CN115159777A (en) | 2022-10-11 |
| CN115159777B true CN115159777B (en) | 2023-11-24 |
Family
ID=83492041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210792784.0A Active CN115159777B (en) | 2022-07-05 | 2022-07-05 | Sewage treatment device, sewage treatment system, and sewage treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115159777B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5811016A (en) * | 1993-08-13 | 1998-09-22 | Noggerath Holding Gmbh & Co. Kg. | Method and apparatus for removing sand from waste water loaded with sand and organic substances |
| CN101333055A (en) * | 2008-07-29 | 2008-12-31 | 龚先木 | Complete plant for treating and recovering printing light polluted waste liquid |
| CN110194540A (en) * | 2019-05-22 | 2019-09-03 | 陈思宇 | A kind of chemical engineering sewage and exhaust gas purification and treatment device |
| CN210711141U (en) * | 2019-07-19 | 2020-06-09 | 深圳市嘉润洲园林装饰工程有限公司 | Novel sewage treatment retrieves device |
| CN111875115A (en) * | 2020-08-07 | 2020-11-03 | 马鞍山致青工业设计有限公司 | Sewage treatment is with preventing blockking up sedimentation tank convenient to clearance dirt |
| CN212425713U (en) * | 2020-06-18 | 2021-01-29 | 张洪玲 | Sewage and waste gas treatment device |
| CN213171710U (en) * | 2020-04-28 | 2021-05-11 | 绵阳科勤环保科技有限公司 | Sewage treatment box convenient to clean |
| CN113321378A (en) * | 2021-05-30 | 2021-08-31 | 广州千江水生态科技有限公司 | Pond in-situ treatment system |
| CN214167579U (en) * | 2020-10-30 | 2021-09-10 | 中天华诺建设有限公司 | Movable sewage treatment equipment |
| CN215327604U (en) * | 2021-08-18 | 2021-12-28 | 天津润田环境科技有限公司 | Sewage treatment equipment |
| CN216141379U (en) * | 2021-08-09 | 2022-03-29 | 贾长彬 | Building engineering construction sewage discharge treatment device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2923832B1 (en) * | 2007-11-20 | 2011-01-07 | Roquette Freres | AQUEOUS ANIONIC COMPOSITION CONTAINING AT LEAST ONE GELATINIZED, SOLUBLE ANIONIC STARCH, AND PREFERABLY AN ANIONIC, NON - GELATINIZED OR PARTIALLY SWELLED ANIONIC STARCH. |
-
2022
- 2022-07-05 CN CN202210792784.0A patent/CN115159777B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5811016A (en) * | 1993-08-13 | 1998-09-22 | Noggerath Holding Gmbh & Co. Kg. | Method and apparatus for removing sand from waste water loaded with sand and organic substances |
| CN101333055A (en) * | 2008-07-29 | 2008-12-31 | 龚先木 | Complete plant for treating and recovering printing light polluted waste liquid |
| CN110194540A (en) * | 2019-05-22 | 2019-09-03 | 陈思宇 | A kind of chemical engineering sewage and exhaust gas purification and treatment device |
| CN210711141U (en) * | 2019-07-19 | 2020-06-09 | 深圳市嘉润洲园林装饰工程有限公司 | Novel sewage treatment retrieves device |
| CN213171710U (en) * | 2020-04-28 | 2021-05-11 | 绵阳科勤环保科技有限公司 | Sewage treatment box convenient to clean |
| CN212425713U (en) * | 2020-06-18 | 2021-01-29 | 张洪玲 | Sewage and waste gas treatment device |
| CN111875115A (en) * | 2020-08-07 | 2020-11-03 | 马鞍山致青工业设计有限公司 | Sewage treatment is with preventing blockking up sedimentation tank convenient to clearance dirt |
| CN214167579U (en) * | 2020-10-30 | 2021-09-10 | 中天华诺建设有限公司 | Movable sewage treatment equipment |
| CN113321378A (en) * | 2021-05-30 | 2021-08-31 | 广州千江水生态科技有限公司 | Pond in-situ treatment system |
| CN216141379U (en) * | 2021-08-09 | 2022-03-29 | 贾长彬 | Building engineering construction sewage discharge treatment device |
| CN215327604U (en) * | 2021-08-18 | 2021-12-28 | 天津润田环境科技有限公司 | Sewage treatment equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115159777A (en) | 2022-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107352598A (en) | A kind of high-efficiency environment friendly municipal sewage precipitation treatment device | |
| CN107585840A (en) | A kind of sewage treatment unit | |
| CN107585935A (en) | A kind of highly effective and safe municipal sewage environment-friendly processing unit | |
| CN110422973A (en) | A kind of land disposal method of domestic sewage in rural areas | |
| CN209668977U (en) | A kind of municipal wastewater processing unit | |
| CN207511965U (en) | A kind of urban wastewater treatment utilizes device | |
| CN207412946U (en) | A kind of rotary screen type aquaculture wastewater pretreatment unit | |
| CN211226696U (en) | Bury formula integration sewage treatment device | |
| CN210620547U (en) | Rural sewage treatment plant of formula of burying | |
| CN115159777B (en) | Sewage treatment device, sewage treatment system, and sewage treatment method | |
| CN209522730U (en) | A kind of multipolarity sewage disposal device | |
| CN111233197A (en) | Efficient multistage biological infiltration sewage treatment device and treatment method | |
| CN113880313B (en) | Be used for waste water treatment purifier | |
| CN109205980A (en) | A kind of high efficient anti-blocking type three-level formula septic tank | |
| CN205933565U (en) | Wastewater treatment system | |
| CN109205979A (en) | A kind of anti-blocking three-level formula septic tank of stirred type | |
| CN213038474U (en) | Afforestation rainwater collection device | |
| CN213865671U (en) | Building engineering effluent treatment plant | |
| CN211226787U (en) | Multistage sewage treatment device | |
| CN212356963U (en) | Livestock and poultry breeding wastewater treatment system | |
| CN212315806U (en) | Kitchen wastewater treatment device | |
| CN209636073U (en) | A kind of Hospital Sewage Treatment reclaimer | |
| CN109111018B (en) | Method for treating and recycling wastewater for nursery | |
| CN209931253U (en) | Sewage collecting and discharging device for recirculating aquaculture | |
| CN113443763A (en) | High-efficient sewage recovery processing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |