CN116298084A - Tap water toxic gas detection device and method for tap water plant - Google Patents
Tap water toxic gas detection device and method for tap water plant Download PDFInfo
- Publication number
- CN116298084A CN116298084A CN202211094623.0A CN202211094623A CN116298084A CN 116298084 A CN116298084 A CN 116298084A CN 202211094623 A CN202211094623 A CN 202211094623A CN 116298084 A CN116298084 A CN 116298084A
- Authority
- CN
- China
- Prior art keywords
- tap water
- gas
- pipe
- water
- detection
- 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.)
- Pending
Links
- 239000008399 tap water Substances 0.000 title claims abstract description 146
- 235000020679 tap water Nutrition 0.000 title claims abstract description 146
- 238000001514 detection method Methods 0.000 title claims abstract description 96
- 239000002341 toxic gas Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 127
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 231100000419 toxicity Toxicity 0.000 claims abstract description 16
- 230000001988 toxicity Effects 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 12
- 231100000614 poison Toxicity 0.000 claims abstract description 12
- 230000007096 poisonous effect Effects 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims description 78
- 231100000331 toxic Toxicity 0.000 claims description 23
- 230000002588 toxic effect Effects 0.000 claims description 23
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 238000005273 aeration Methods 0.000 claims description 11
- 238000012216 screening Methods 0.000 claims description 11
- 235000020680 filtered tap water Nutrition 0.000 claims description 7
- 238000004062 sedimentation Methods 0.000 claims description 7
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 241000894006 Bacteria Species 0.000 claims description 6
- 241000700605 Viruses Species 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000001112 coagulating effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 241000883990 Flabellum Species 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2294—Sampling soil gases or the like
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids
- G01N2001/4088—Concentrating samples by other techniques involving separation of suspended solids filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Soil Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to the technical field of tap water detection, in particular to a tap water toxic gas detection device and a detection method for a tap water plant, wherein the device comprises a storage pool for storing tap water, a supporting bottom plate is fixedly connected to the lower surface of the storage pool, and a sealing cover plate for sealing is fixedly connected to the upper surface of the storage pool; the lower surface of the sealing cover plate is provided with an agitating mechanism which is communicated with the interior of the storage pool and is respectively provided with a gas diversion mechanism and a filtering mechanism. The device and the method for detecting the poisonous gas in the tap water in the running water factory work through the exhaust fan, gas can be pumped into the diversion ring pipe from the interior of the storage pool, the gas on one side of the branch pipes on the two sides moves relatively, the gas passing through the dry particle blocks in the diversion ring pipe is intensively discharged from the detection pipe and contacts with the air inlet end of the poisonous and harmful gas detector, and if the toxicity in the gas exceeds the early warning value, the detection alarm alarms, so that the effect of improving the accuracy of detecting the poisonous gas in the running water is achieved.
Description
Technical Field
The invention relates to the technical field of tap water detection, in particular to a tap water toxic gas detection device and a tap water toxic gas detection method for a tap water plant.
Background
The method is characterized in that the method comprises the steps of carrying out coagulation sedimentation, filtration adjustment and disinfection on tap water in a tap water factory, filling the tap water into a storage pond through a water inlet pipe for storage after the tap water is subjected to coagulation sedimentation, filtration adjustment and disinfection, and then taking the tap water directly when needed, wherein the long-time sedimentation possibly causes microorganism breeding due to insufficient air tightness of a storage environment, so that the tap water has toxicity, or the strength of a disinfection link is insufficient, the tap water can not reach a use index, in order to realize toxicity detection on the tap water before taking, the gas volatilized from the tap water can be detected, but the existing tap water quality gas detection device is only inserted above water quality through a detection rod and is detected through a detection head, so that the detection head of the detection device can not fully contact with the gas in the storage pond, the accuracy of the detection device is influenced, and meanwhile, the tap water utilization rate of the tap water factory is low due to the lack of a timely treatment mode for detecting the toxic tap water.
Disclosure of Invention
Based on the technical problems that the existing water quality gas detection device of the water works is inserted above water quality only through a detection rod and is detected through a detection head, the detection head of the detection device cannot be fully contacted with gas in a storage pool in such a detection mode, and the accuracy of the detection device is affected, the invention provides the detection device and the detection method for the toxic gas of the tap water of the water works.
The invention provides a detection device and a detection method for toxic gas in tap water in a tap water plant, wherein the detection device comprises a reservoir for storing tap water, the lower surface of the reservoir is fixedly connected with a supporting bottom plate, and the upper surface of the reservoir is fixedly connected with a sealing cover plate for sealing;
the lower surface of the sealing cover plate is provided with an agitating mechanism which is communicated with the interior of the storage pool and is respectively provided with a gas diversion mechanism and a filtering mechanism;
the stirring mechanism is used for stirring tap water precipitated in the storage tank, so that the gas is pulled to volatilize;
the gas flow guiding mechanism collects gas above tap water in the storage pool and detects the gas after guiding the gas;
the filtering mechanism is used for transferring and filtering the poisonous tap water detected in the storage pool.
Preferably, one side of the storage pool is fixedly communicated with a water inlet pipe with a water inlet valve, the other side of the storage pool is fixedly communicated with a water outlet pipe with a water outlet valve, and the inner bottom wall of the storage pool is fixedly connected with an activated carbon block.
According to the technical scheme, in order to store tap water in the storage tank, the tap water stored in the storage tank is stored by filling the tap water into the storage tank through the water inlet pipe after coagulating sedimentation, filtering adjustment and disinfection, and when the tap water stored in the storage tank is taken, if the tap water in the storage tank is detected to be free of toxicity, the tap water is directly conveyed to a general user through the water outlet pipe, and in order to keep the tap water stored in the storage tank clean, an activated carbon block is placed at the bottom of the storage tank, and the precipitated tap water is adsorbed and filtered.
Preferably, the stirring mechanism comprises a water level detection sensor fixedly mounted on the upper surface of the sealing cover plate, and a detection end of the water level detection sensor penetrates through the sealing cover plate and is arranged above the reservoir.
According to the technical scheme, in order to enable the gas in the storage tank to flow, tap water in the storage tank cannot be filled, so that the tap water is detected by the water level detection sensor on the sealing cover plate, and when the water level reaches a preset value, the water inlet pipe stops water inlet.
Preferably, the stirring mechanism further comprises a stirring shaft, the stirring shaft is mounted on the middle surface of the sealing cover plate through a bearing, the middle upper surface of the sealing cover plate is fixedly connected with a speed reduction motor through a mounting seat, and the outer surface of an output shaft of the speed reduction motor is fixedly connected with the surface of the stirring shaft through a coupler.
According to the technical scheme, before the water draining pipe works, tap water needs to be detected, namely whether volatilized gas after the tap water is precipitated in the storage tank is toxic or not is detected, and in order to accelerate the flow of volatilized gas, the precipitated tap water needs to be stirred, so that the stirring shaft in the tap water is controlled to rotate through the speed reducing motor, stirring of the tap water is realized, and the flow of the gas is accelerated.
Preferably, the outer surface of the lower end of the stirring shaft is fixedly connected with stirring paddles, and the outer surface of the upper end of the stirring shaft is fixedly connected with circulating fan blades.
According to the technical scheme, in order to accelerate stirring of precipitated tap water, when the stirring shaft rotates, stirring slurry at the lower end of the stirring shaft is driven to stir the tap water, and in the stirring process, the circulating fan blades above the stirring shaft rotate, so that gas flows.
Preferably, the gas flow guiding mechanism comprises a flow guiding ring pipe, the upper surface of the supporting bottom plate is fixedly connected with a supporting column in an annular array, the upper surface of the supporting column is fixedly connected with the lower surface of the flow guiding ring pipe, the inner surface of the flow guiding ring pipe is movably sleeved with the outer surface of the storage tank, the inner wall of the upper end of the storage tank is fixedly connected with an air guide pipe communicated with the inside of the storage tank in an annular array, the other end of the air guide pipe is fixedly communicated with the inside of the flow guiding ring pipe, an electromagnetic valve is arranged on the outer surface of the air guide pipe, and an exhaust fan is fixedly arranged on the inner wall of one end, connected with the storage tank, of the air guide pipe.
Through above-mentioned technical scheme, in order to concentrate the volatile gas of tap water of precipitation and collect the detection, then make the air duct communicate water conservancy diversion ring canal and the inside of reservoir, then through the gas that the circulation flabellum stirs, work through the exhaust fan of air duct one end internally mounted, can follow the inside suction water conservancy diversion ring canal of reservoir with gas to flow in the water conservancy diversion ring canal, the solenoid valve of air duct is normally closed under the general circumstances, opens when detecting gas, makes air duct and water conservancy diversion ring canal intercommunication.
Preferably, the rear end of the first air duct is fixedly communicated with a shunt tube, one side surface of the shunt tube is fixedly connected with the inner wall of the flow guide ring pipe, two side surfaces of the shunt tube are fixedly communicated with branch pipes, and the front end of the shunt tube is fixedly connected with dry particle blocks.
Through the technical scheme, the shunt tubes are used for cutting off the inside of the communicated flow guide ring pipe, so that the flow of gas in the flow guide ring pipe is quickened, the flow guide ring pipe is intensively detected, gas exhausted by the gas guide pipe at the rear end flows out of the branch pipes at the two sides relatively after entering the shunt tubes, and then the gas at one side of the branch pipes at the two sides relatively moves, so that the gas is dried together through dry particle blocks in the flow guide ring pipe at the front end, and detection errors caused by water vapor in the gas are avoided.
Preferably, the gas diversion mechanism further comprises a toxic and harmful gas detector, the toxic and harmful gas detector is installed on one side of the storage pool through a mounting seat, a detection pipe is fixedly communicated with the inside of the front end of the diversion ring pipe, the other electromagnetic valve is installed on the surface of the detection pipe, one end of the detection pipe is fixedly communicated with the air inlet detection end of the toxic and harmful gas detector, a detection alarm is installed on the surface of the toxic and harmful gas detector, and a gas collecting bag is fixedly communicated with the inside of the detection pipe.
Through the technical scheme, in order to carry out toxicity detection on the gas in the guide ring pipe, the gas passing through the dry particle blocks in the guide ring pipe is intensively discharged from the detection pipe and is in contact with the air inlet end of the toxic and harmful gas detector, if the toxicity in the gas exceeds an early warning value, the detection alarm alarms, and meanwhile, in order to avoid the backflow of the discharged gas, the electromagnetic valve on the detection pipe is closed, so that the gas is collected by the gas collecting bag, and the automatic discharge of polluted environment is avoided.
Preferably, the filtering mechanism comprises a filtering tank, the filtering tank is communicated with the inside of the storage tank through a communicating pipe, an air inlet ring pipe is fixedly arranged on the inner bottom wall of the filtering tank, an aeration disc is fixedly arranged on the surface of the air inlet ring pipe in an annular array, an air pipe is fixedly communicated with the inside of the air inlet ring pipe in an annular array, one side of the filtering tank is connected with a screening tank through a communicating pipe, one side of the screening tank is fixedly communicated with a water pipe, and one end of the water pipe is fixedly communicated with the inside of the water pipe.
Through the technical scheme, in order to avoid detecting toxic tap water to be delivered to a user for use, when the alarm is detected to sound, the drain valve is controlled to close, the communicating pipe communicated with the filter tank is opened, tap water in the storage tank is discharged into the filter tank, ozone is input into the air inlet ring pipe through the gas pipe of the annular array, ozone bubbles are injected into the tap water through the aeration disc to carry out ozone oxidation, bacteria and viruses in the tap water can be taken out, then the tap water with toxicity is removed to enter the screening filter tank for filtration, the filtered tap water is input into the drain pipe through the water pipe, and then the filtered tap water is input to a general user through the drain pipe.
Preferably, the detection method of the tap water toxic gas detection device of the tap water plant comprises the following steps:
s1, pouring tap water from a tap water plant into a storage tank through a water inlet pipe after coagulating sedimentation, filtering adjustment and disinfection, storing under the limit of a water level detection sensor, placing an activated carbon block at the bottom of the storage tank, and adsorbing and filtering the precipitated tap water;
s2, when the water is required to be conveyed to a general user through a water discharge pipe, a reducing motor on a sealing cover plate acts to control a stirring shaft in tap water to rotate, and when the stirring shaft rotates, stirring slurry at the lower end of the stirring shaft is driven to stir the tap water, and in the stirring process, a circulating fan blade above the stirring shaft rotates to enable gas to flow;
s3, the air stirred by the circulating fan blade works through an exhaust fan arranged in one end of the air duct, an electromagnetic valve of the air duct is opened to enable the air duct to be communicated with the guide ring pipe, the air can be pumped into the guide ring pipe from the interior of the storage pool, the air discharged by the air duct at the rear end enters the split pipe and then flows out of branch pipes at two sides relatively, and then the air at one side of the branch pipes at two sides moves relatively to be dried together through dry particle blocks in the guide ring pipe at the front end;
s4, intensively discharging the gas passing through the dry particle blocks in the guide ring pipe from the detection pipe, contacting with the air inlet end of the toxic and harmful gas detector, and if the toxicity in the gas exceeds an early warning value, then detecting an alarm to give an alarm, and closing an electromagnetic valve on the detection pipe at the moment to enable the gas to be collected by a gas collecting bag so as to avoid automatically discharging polluted environment;
s5, when the alarm is detected to sound, the drain valve is controlled to close the drain pipe, the communicating pipe communicated with the filter tank is opened, tap water in the storage tank is discharged into the filter tank, ozone is input into the air inlet ring pipe through the annular array air pipe, ozone bubbles are injected into the tap water through the aeration disc to carry out ozone oxidation, bacteria and viruses in the tap water can be taken out, then the tap water with toxicity eliminated enters the screening filter tank to be filtered, the filtered tap water is input into the drain pipe through the water pipe, and then the tap water is input into a general user through the drain pipe.
The beneficial effects of the invention are as follows:
1. through setting up stirring mechanism, can realize the stirring to the poisonous gas detection of tap water accuracy of deposit to in the in-process of adjusting, the stirring axle that is in tap water is rotated through gear motor control, drives the stirring thick liquid of its lower extreme and realizes stirring to tap water, and in the in-process of stirring, the circulation flabellum of stirring epaxial side rotates, makes the gas realize flowing, thereby does benefit to the detection to gas.
2. Through setting up gas guiding mechanism, can concentrate the collection to the gas in the deposit pond, can improve the accuracy of the poisonous gas detection of running water, in the in-process of adjusting, through the internally mounted's of air duct one end air exhauster work, can follow the inside suction water conservancy diversion ring canal of deposit pond with gas, the relative outflow of branch pipe from both sides behind the air duct exhaust gas entering shunt tubes of rear end, and then make the gas relative movement of both sides branch pipe one side, the gas of the dry particle piece in the water conservancy diversion ring canal is concentrated from the detecting tube and is discharged, and contact with the inlet end of poisonous and harmful gas detector, if the toxicity in this gas exceeds the early warning value, then the detection alarm is reported to the police, thereby reached the effect that improves the accuracy of the poisonous gas detection of running water.
3. Through setting up filtering mechanism, can realize in time handling detecting poisonous running water, improve the running water utilization ratio of water works, in the in-process of adjusting, open through the communicating pipe that makes the filter vat communicate, the running water of deposit pond is discharged to the filter vat, the gas-supply pipe through annular array is to inlet air ring pipe input ozone, make ozone bubble pour into in the running water through the aeration disc carry out ozone oxidation, thereby bacterium and virus in the running water can take out, then eliminate poisonous running water and get into the sieve filtering pond and filter, the running water after filtering is through the raceway input drain pipe, then be input to general user by the drain pipe again, thereby can improve the utilization ratio of water works.
Drawings
FIG. 1 is a schematic diagram of a detecting device and a detecting method for toxic gas in tap water in a tap water plant;
FIG. 2 is a perspective view of a gear motor structure of a device and a method for detecting toxic gas in tap water in a water works;
FIG. 3 is a perspective view of a stirring slurry structure of a device and a method for detecting toxic gas in tap water in a water works;
FIG. 4 is a perspective view of a flow guiding ring pipe structure of a device and a method for detecting toxic gas in tap water in a tap water plant;
FIG. 5 is a perspective view of the structure of an airway of a device and method for detecting toxic gases in tap water in a water works;
FIG. 6 is a perspective view of a shunt tube structure of a device and method for detecting toxic gas in tap water in a water works;
FIG. 7 is a perspective view of a toxic and harmful gas detector for tap water in a water works and a method for detecting toxic and harmful gas in tap water in a water works;
FIG. 8 is a perspective view of the aeration disc structure of the device and method for detecting toxic gas in tap water in a tap water plant.
In the figure: 1. a reservoir; 11. a support base plate; 12. sealing the cover plate; 13. a water inlet pipe; 14. a drain pipe; 15. an activated carbon block; 2. an agitation mechanism; 21. a water level detection sensor; 22. a stirring shaft; 23. a speed reducing motor; 24. stirring the slurry; 25. circulating fan blades; 3. a gas flow guiding mechanism; 31. a diversion ring pipe; 32. a support column; 33. an air duct; 34. an electromagnetic valve; 35. an exhaust fan; 36. a shunt; 37. a branch pipe; 38. drying the pellet block; 4. a filtering mechanism; 41. a filtering tank; 42. an air inlet ring pipe; 43. an aeration disc; 44. a gas pipe; 45. screening and filtering; 46. a water pipe; 5. a toxic and harmful gas detector; 51. a detection tube; 52. detecting an alarm; 53. a gas collection bag.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-8, a detection device and a detection method for toxic gas in tap water in a tap water plant comprise a reservoir 1 for storing tap water, wherein a supporting bottom plate 11 is fixedly connected to the lower surface of the reservoir 1, and a sealing cover plate 12 for sealing is fixedly connected to the upper surface of the reservoir 1.
In order to store tap water in the storage tank 1, one side of the storage tank 1 is fixedly connected with a water inlet pipe 13 with a water inlet valve, in order to take the tap water stored in the storage tank 1, the other side of the storage tank 1 is fixedly connected with a water outlet pipe 14 with a water outlet valve, and in order to keep the tap water stored in the storage tank 1 clean, the inner bottom wall of the storage tank 1 is fixedly connected with an activated carbon block 15.
The lower surface of the sealing cover plate 12 is provided with an agitating mechanism 2, while being communicated with the inside of the reservoir 1 and provided with a gas diversion mechanism 3 and a filtering mechanism 4, respectively.
Wherein, the stirring mechanism 2 stirs tap water precipitated in the storage tank 1, and then pulls the gas to volatilize; in order to make the gas in the reservoir 1 flow, the tap water in the reservoir 1 cannot be filled, and thus the agitation mechanism 2 includes a water level detection sensor 21, the water level detection sensor 21 is fixedly installed on the upper surface of the sealing cover plate 12, and the detection end of the water level detection sensor 21 penetrates the sealing cover plate 12 and is disposed above the reservoir 1, so that the water level detection sensor 21 detects that the water inlet pipe 13 stops water inlet when a preset value is reached.
In order to accelerate the flow of the volatilized gas, the precipitated tap water needs to be stirred, so that the stirring mechanism 2 further comprises a stirring shaft 22, the stirring shaft 22 is arranged on the middle surface of the sealing cover plate 12 through a bearing, in order to control the stirring shaft 22 to rotate, the upper surface of the middle part of the sealing cover plate 12 is fixedly connected with a speed reduction motor 23 through a mounting seat, and the outer surface of an output shaft of the speed reduction motor 23 is fixedly connected with the surface of the stirring shaft 22 through a coupler.
In order to accelerate the stirring of the precipitated tap water, the outer surface of the lower end of the stirring shaft 22 is fixedly connected with stirring paddles 24, the outer surface of the upper end of the stirring shaft 22 is fixedly connected with circulating fan blades 25, when the stirring shaft 22 rotates, the stirring paddles 24 at the lower end of the stirring shaft are driven to stir the tap water, and in the stirring process, the circulating fan blades 25 above the stirring shaft 22 rotate, so that the gas flows.
The gas flow guiding mechanism 3 collects the gas above tap water in the storage tank 1 and detects the gas after guiding; in order to collect and detect the volatilized gas of the precipitated tap water in a concentrated manner, the gas flow guiding mechanism 3 comprises a flow guiding annular pipe 31, the upper surface of the supporting bottom plate 11 is fixedly connected with supporting columns 32 in an annular array, the upper surface of the supporting columns 32 is fixedly connected with the lower surface of the flow guiding annular pipe 31, and the inner surface of the flow guiding annular pipe 31 is movably sleeved with the outer surface of the storage pool 1.
In order to realize the diversion of gas, then the upper end inner wall of reservoir 1 is annular array fixedly connected with and leads the air duct 33 of the inside intercommunication of reservoir 1, the other end of air duct 33 and the inside fixed intercommunication of water conservancy diversion ring canal 31, the surface mounting of air duct 33 has solenoid valve 34, the inner wall fixed mounting of the one end that air duct 33 and reservoir 1 are connected has air extraction fan 35, work through air extraction fan 35 of air duct 33 one end internally mounted, can follow the inside suction water conservancy diversion ring canal 31 of reservoir 1 with gas to flow in water conservancy diversion ring canal 31.
In order to accelerate the flow of the gas in the guide ring pipe 31 and make the gas intensively detected, the rear end of the gas guide pipe 33 at the rear end is fixedly connected with a shunt pipe 36, one side surface of the shunt pipe 36 is fixedly connected with the inner wall of the guide ring pipe 31, and two side surfaces of the shunt pipe 36 are fixedly connected with branch pipes 37 in the guide ring pipe, so that the gas discharged by the gas guide pipe 33 at the rear end flows out of the branch pipes 37 at the two sides relatively after entering the shunt pipe 36, and then the gas at one side of the branch pipes 37 at the two sides moves relatively, so as to avoid detection errors caused by water vapor in the gas, and the inner wall of the guide ring pipe 31 at the front end is fixedly connected with dry particle blocks 38.
In order to carry out toxicity detection to the gas in the flow guide ring pipe 31, the gas flow guide mechanism 3 further comprises a toxic and harmful gas detector 5, the toxic and harmful gas detector 5 is arranged on one side of the storage pool 1 through a mounting seat, a detection pipe 51 is fixedly communicated with the inside of the front end of the flow guide ring pipe 31 in order to intensively discharge the gas in the flow guide ring pipe 31, another electromagnetic valve 34 is arranged on the surface of the detection pipe 51, one end of the detection pipe 51 is fixedly communicated with the air inlet detection end of the toxic and harmful gas detector 5, a detection alarm 52 is arranged on the surface of the toxic and harmful gas detector 5, and a gas collecting bag 53 is fixedly communicated with the inside of the detection pipe 51.
Wherein, the filtering mechanism 4 migrates and filters the poisonous tap water detected in the reservoir 1; in order to avoid the detection of toxic tap water to be delivered to a user, the filtering mechanism 4 comprises a filtering tank 41, the filtering tank 41 is communicated with the interior of the storage tank 1 through a communicating pipe, and an air inlet ring pipe 42 is fixedly arranged on the inner bottom wall of the filtering tank 41.
In order to sterilize tap water in the filter tank 41, an aeration disc 43 is fixedly arranged on the surface of an air inlet ring pipe 42 in an annular array, an air pipe 44 is fixedly communicated with the inside of the air inlet ring pipe 42 in an annular array, one side of the filter tank 41 is connected with a screening tank 45 through a communicating pipe, one side of the screening tank 45 is fixedly communicated with a water pipe 46, one end of the water pipe 46 is fixedly communicated with the inside of a water pipe 14, ozone is input into the air inlet ring pipe 42 through the air pipe 44 in the annular array, ozone bubbles are injected into tap water through the aeration disc 43 to perform ozone oxidation, bacteria and viruses in the tap water can be taken out, then the tap water with toxicity eliminated enters the screening tank 45 to be filtered, the filtered tap water is input into the water pipe 14 through the water pipe 46, and then the filtered tap water is input to a general user through the water pipe 14.
Working principle: in a specific embodiment, tap water from a tap water plant is poured into a storage tank 1 through a water inlet pipe 13 after coagulating sedimentation, filtering adjustment and disinfection, is stored under the limit of a water level detection sensor 21, and is placed with an activated carbon block 15 at the bottom of the storage tank 1 to adsorb and filter the precipitated tap water;
when the water is required to be conveyed to a general user through the water discharge pipe 14, the speed reducing motor 23 on the sealing cover plate 12 acts to control the stirring shaft 22 in tap water to rotate, and when the stirring shaft 22 rotates, the stirring slurry 24 at the lower end of the stirring shaft is driven to stir the tap water, and in the stirring process, the circulating fan blades 25 above the stirring shaft 22 rotate to enable gas to flow;
the air stirred by the circulating fan blade 25 works through an exhaust fan 35 arranged in one end of an air duct 33, an electromagnetic valve 34 of the air duct 33 is opened to enable the air duct 33 to be communicated with the guide ring pipe 31, the air can be pumped into the guide ring pipe 31 from the interior of the storage pool 1, the air discharged by the air duct 33 at the rear end enters a shunt pipe 36 and then flows out of branch pipes 37 at two sides relatively, and then the air at one side of the branch pipes 37 at two sides moves relatively, so that the air passes through dry particle blocks 38 in the guide ring pipe 31 at the front end together for drying;
the gas passing through the dry particle blocks 38 in the guide ring pipe 31 is intensively discharged from the detection pipe 51 and contacts with the air inlet end of the toxic and harmful gas detector 5, if the toxicity in the gas exceeds the early warning value, the detection alarm 52 alarms, and at the moment, the electromagnetic valve 34 on the detection pipe 51 is closed, so that the gas is collected by the gas collecting bag 53, and the environment pollution caused by automatic discharge is avoided;
when the alarm is detected to sound, the drain valve is controlled to close the drain pipe 14, the communicating pipe communicated with the filter tank 41 is opened, tap water in the storage tank 1 is discharged into the filter tank 41, ozone is input into the air inlet ring pipe 42 through the annular array air pipe 44, ozone bubbles are injected into the tap water through the aeration disc 43 to carry out ozone oxidation, bacteria and viruses in the tap water can be taken out, then the tap water with toxicity eliminated enters the screening filter tank 45 to be filtered, the filtered tap water is input into the drain pipe 14 through the water pipe 46, and then the tap water is input into a general user through the drain pipe 14.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. A toxic gas detection device for tap water in a tap water plant, comprising a reservoir (1) for storing tap water, characterized in that: the lower surface of the storage pool (1) is fixedly connected with a supporting bottom plate (11), and the upper surface of the storage pool (1) is fixedly connected with a sealing cover plate (12) for sealing;
the lower surface of the sealing cover plate (12) is provided with an agitating mechanism (2), and is communicated with the interior of the storage pool (1) and is respectively provided with a gas diversion mechanism (3) and a filtering mechanism (4);
wherein, the stirring mechanism (2) stirs tap water precipitated in the storage tank (1) so as to drive the gas to volatilize;
the gas flow guiding mechanism (3) collects gas above tap water in the storage tank (1) and detects the gas after guiding the gas;
wherein the filtering mechanism (4) migrates and filters the poisonous tap water detected in the storage tank (1).
2. The apparatus for detecting toxic gas in tap water of a tap water plant according to claim 1, wherein: one side of the storage pool (1) is fixedly communicated with a water inlet pipe (13) with a water inlet valve, the other side of the storage pool (1) is fixedly communicated with a water outlet pipe (14) with a water outlet valve, and the inner bottom wall of the storage pool (1) is fixedly connected with an activated carbon block (15).
3. The apparatus for detecting toxic gas in tap water of a tap water plant according to claim 1, wherein: the stirring mechanism (2) comprises a water level detection sensor (21), the water level detection sensor (21) is fixedly arranged on the upper surface of the sealing cover plate (12), and the detection end of the water level detection sensor (21) penetrates through the sealing cover plate (12) and is arranged above the storage pool (1).
4. The apparatus for detecting toxic gas in tap water of a tap water plant according to claim 1, wherein: the stirring mechanism (2) further comprises a stirring shaft (22), the stirring shaft (22) is installed on the middle surface of the sealing cover plate (12) through a bearing, the middle upper surface of the sealing cover plate (12) is fixedly connected with a speed reduction motor (23) through a mounting seat, and the outer surface of an output shaft of the speed reduction motor (23) is fixedly connected with the surface of the stirring shaft (22) through a coupler.
5. The device for detecting toxic gas in tap water in a tap water plant according to claim 4, wherein: the outer surface of the lower end of the stirring shaft (22) is fixedly connected with stirring paddles (24), and the outer surface of the upper end of the stirring shaft (22) is fixedly connected with circulating fan blades (25).
6. The apparatus for detecting toxic gas in tap water of a tap water plant according to claim 1, wherein: the gas flow guide mechanism (3) comprises a flow guide ring pipe (31), the upper surface of a supporting bottom plate (11) is fixedly connected with a supporting column (32) in an annular array mode, the upper surface of the supporting column (32) is fixedly connected with the lower surface of the flow guide ring pipe (31), the inner surface of the flow guide ring pipe (31) is movably sleeved with the outer surface of the storage tank (1), the inner wall of the upper end of the storage tank (1) is fixedly connected with an air guide pipe (33) communicated with the inside of the storage tank (1) in an annular array mode, the other end of the air guide pipe (33) is fixedly communicated with the inside of the flow guide ring pipe (31), an electromagnetic valve (34) is mounted on the outer surface of the air guide pipe (33), and an exhaust fan (35) is fixedly mounted on the inner wall of one end, connected with the storage tank (1).
7. The apparatus for detecting toxic gas in tap water of a tap water plant according to claim 6, wherein: the rear end one the rear end fixedly connected with shunt tubes (36) of air duct (33), one side surface of shunt tubes (36) with the inner wall fixed connection of water conservancy diversion ring canal (31), the both sides surface of shunt tubes (36) all has branch pipe (37) rather than inside fixed connection, and the front end the inner wall fixed connection of water conservancy diversion ring canal (31) has dry granule piece (38).
8. The apparatus for detecting toxic gas in tap water of a tap water plant according to claim 7, wherein: the gas diversion mechanism (3) further comprises a toxic and harmful gas detector (5), the toxic and harmful gas detector (5) is installed on one side of the storage pool (1) through an installation seat, a detection tube (51) is fixedly communicated with the inside of the front end of the diversion ring tube (31), the other electromagnetic valve (34) is installed on the surface of the detection tube (51), one end of the detection tube (51) is fixedly communicated with the air inlet detection end of the toxic and harmful gas detector (5), a detection alarm (52) is installed on the surface of the toxic and harmful gas detector (5), and a gas collecting bag (53) is fixedly communicated with the inside of the detection tube (51).
9. A tap water toxic gas detection device in a tap water plant according to claim 2, wherein: the filter mechanism (4) comprises a filter tank (41), the filter tank (41) is communicated with the inside of the storage tank (1) through a communicating pipe, an air inlet ring pipe (42) is fixedly arranged on the inner bottom wall of the filter tank (41), an aeration disc (43) is fixedly arranged on the surface of the air inlet ring pipe (42), an air pipe (44) is fixedly communicated with the inside of the air inlet ring pipe (42) in an annular array manner, one side of the filter tank (41) is connected with a screening tank (45) through a communicating pipe, a water pipe (46) is fixedly communicated with one side of the screening tank (45), and one end of the water pipe (46) is fixedly communicated with the inside of the water pipe (14).
10. A detection method based on the detection device of toxic gas in tap water in a tap water plant according to any one of claims 1 to 9, wherein the detection method comprises the following steps:
s1, pouring tap water from a tap water plant into a storage pool (1) through a water inlet pipe (13) after coagulating sedimentation, filtering adjustment and disinfection, storing under the limit of a water level detection sensor (21), placing an activated carbon block (15) at the bottom of the storage pool (1), and adsorbing and filtering the precipitated tap water;
s2, when the water is required to be conveyed to a general user through a water discharge pipe (14), a reducing motor (23) on a sealing cover plate (12) acts to control a stirring shaft (22) in tap water to rotate, and when the stirring shaft (22) rotates, stirring slurry (24) at the lower end of the stirring shaft is driven to stir the tap water, and in the stirring process, a circulating fan blade (25) above the stirring shaft (22) rotates to enable gas to flow;
s3, the air stirred by the circulating fan blades (25) works through an exhaust fan (35) arranged in one end of an air duct (33), an electromagnetic valve (34) of the air duct (33) is opened, so that the air duct (33) is communicated with the guide ring pipe (31), the air can be pumped into the guide ring pipe (31) from the interior of the storage pool (1), the air discharged by the air duct (33) at the rear end enters a shunt pipe (36) and then flows out of branch pipes (37) at two sides relatively, and then the air at one side of the branch pipes (37) at two sides moves relatively, so that the air passes through dry particle blocks (38) in the guide ring pipe (31) at the front end together for drying;
s4, intensively discharging the gas passing through the dry particle blocks (38) in the guide ring pipe (31) from the detection pipe (51) and contacting with the air inlet end of the toxic and harmful gas detector (5), and if the toxicity in the gas exceeds an early warning value, alarming by the detection alarm (52), closing the electromagnetic valve (34) on the detection pipe (51) at the moment, collecting the gas by the gas collecting bag (53), and avoiding automatically discharging the gas to pollute the environment;
s5, when the alarm is detected to sound, the drain valve is controlled to close the drain pipe (14), the communicating pipe communicated with the filter tank (41) is opened, tap water in the storage tank (1) is discharged into the filter tank (41), ozone is input into the air inlet ring pipe (42) through the air conveying pipe (44) of the annular array, ozone bubbles are injected into the tap water through the aeration disc (43) to carry out ozone oxidation, bacteria and viruses in the tap water can be taken out, then the tap water with toxicity removed enters the sieve filter tank (45) to be filtered, the filtered tap water is input into the drain pipe (14) through the water conveying pipe (46), and then the tap water is input into a general user through the drain pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211094623.0A CN116298084A (en) | 2022-09-04 | 2022-09-04 | Tap water toxic gas detection device and method for tap water plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211094623.0A CN116298084A (en) | 2022-09-04 | 2022-09-04 | Tap water toxic gas detection device and method for tap water plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116298084A true CN116298084A (en) | 2023-06-23 |
Family
ID=86789282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211094623.0A Pending CN116298084A (en) | 2022-09-04 | 2022-09-04 | Tap water toxic gas detection device and method for tap water plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116298084A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116819014A (en) * | 2023-08-30 | 2023-09-29 | 南方电网调峰调频发电有限公司工程建设管理分公司 | Poisonous gas monitoring equipment for monitoring power distribution environment |
-
2022
- 2022-09-04 CN CN202211094623.0A patent/CN116298084A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116819014A (en) * | 2023-08-30 | 2023-09-29 | 南方电网调峰调频发电有限公司工程建设管理分公司 | Poisonous gas monitoring equipment for monitoring power distribution environment |
| CN116819014B (en) * | 2023-08-30 | 2023-11-07 | 南方电网调峰调频发电有限公司工程建设管理分公司 | Poisonous gas monitoring equipment for monitoring power distribution environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116298084A (en) | Tap water toxic gas detection device and method for tap water plant | |
| CN108383338A (en) | A kind of Intelligent sewage processing system | |
| CN216005542U (en) | Heavy metal sewage treatment plant | |
| CN214654239U (en) | Sewage and wastewater pretreatment disinfection device | |
| CN113023960A (en) | A sewage treatment automation control equipment for sewage treatment plant | |
| CN207143024U (en) | A kind of multifunction environment-protection type sewage purification processing system | |
| CN108911435A (en) | A kind of dyeing and printing sewage processing system and processing method | |
| CN211471082U (en) | Laboratory sewage comprehensive treatment equipment | |
| CN213141705U (en) | Clinical laboratory uses liquid water disposal bucket | |
| CN211367359U (en) | Municipal sludge deodorization treatment facility | |
| CN212982695U (en) | Household environment-friendly sewage treatment device | |
| CN208594134U (en) | Cities and towns black and odorous water cuts dirty Point source treating integration apparatus | |
| CN110129180B (en) | Quick detection device of bacterium in running water | |
| CN211198960U (en) | Laboratory wastewater treatment equipment with ultraviolet sterilizer and spiral pipe | |
| CN214880977U (en) | Device for treating sewage of sanitary station | |
| CN113336360A (en) | Method and device for treating wastewater for industrial production | |
| CN207507086U (en) | Vacuum soil pick-up equipment for separating liquid from solid | |
| CN208857111U (en) | A kind of environmental protection sewage treatment unit | |
| CN209065668U (en) | A kind of dyeing and printing sewage processing system | |
| CN208250049U (en) | A kind of integrated automatic dosing dephosphorization equipment | |
| CN208038261U (en) | Domestic sewage processing system | |
| CN217746309U (en) | Comprehensive treatment device for dust-containing waste gas | |
| CN213623470U (en) | Storage device of high concentration anaerobe for sewage treatment | |
| CN110342683A (en) | A kind of high efficiency sewage treatment facility | |
| CN215327314U (en) | Water treatment equipment for food factory |
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 |