CN113003772A - Sewage removing device for sewage pool of chemical plant - Google Patents

Sewage removing device for sewage pool of chemical plant Download PDF

Info

Publication number
CN113003772A
CN113003772A CN202110250862.XA CN202110250862A CN113003772A CN 113003772 A CN113003772 A CN 113003772A CN 202110250862 A CN202110250862 A CN 202110250862A CN 113003772 A CN113003772 A CN 113003772A
Authority
CN
China
Prior art keywords
sewage
protective cover
cover plate
movably connected
chemical
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
Application number
CN202110250862.XA
Other languages
Chinese (zh)
Inventor
边洪来
崔成武
王庆
翟首昌
张艳丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Longxin Pharmaceutical Co ltd
Original Assignee
Shandong Longxin Pharmaceutical Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Longxin Pharmaceutical Co ltd filed Critical Shandong Longxin Pharmaceutical Co ltd
Priority to CN202110250862.XA priority Critical patent/CN113003772A/en
Publication of CN113003772A publication Critical patent/CN113003772A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/42Liquid level

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sewage (AREA)

Abstract

The invention relates to the technical field of chemical sewage, and discloses a sewage tank decontamination device for a chemical plant, which comprises a sewage tank, wherein a hydraulic vertical rod is fixedly arranged on the inner wall of the sewage tank, the top of the hydraulic vertical rod is movably connected with a protective cover plate, a placing hole is formed in the surface of the protective cover plate, and a treatment basket is movably connected inside the placing hole. This sewage removal device for sewage pool of chemical plant, setting through hydraulic pressure pole setting and protective cover plate, can play the automatic effect that opens and shuts of protective cover plate, can make protective cover plate strengthen the protection to the sewage pool again, prevent that staff's water falling and rubbish from falling into the pond, through the setting of placing hole and processing basket, can make things convenient for the staff to put into the pond with the chemical item of neutralization, the convenience is changed and is taken out the chemical item is whole simultaneously, through the setting of cartridge filter, can play the sewage that filters the inlet tube and arrange into, it is internal along with sewage entering pond to prevent effectively that rubbish thing from.

Description

Sewage removing device for sewage pool of chemical plant
Technical Field
The invention relates to the technical field of decontamination devices, in particular to a decontamination device for a sewage pool of a chemical plant.
Background
Natural gas and liquid ammonia or other primary chemical raw materials are used as main raw materials in chemical plant production, the products are petrochemical products and fine chemicals derived from the natural gas and the liquid ammonia, such as lime, chemical fertilizers, medical alcohol and the like, including cosmetics, which belong to chemical products, the chemical raw materials can be generally divided into two categories of organic chemical raw materials and inorganic chemical raw materials, at present, chemical plants are mostly built according to water, and often sufficient water sources can attract more chemical enterprises, but the chemical industry in China has many problems, many enterprises are generally reluctant to purchase sewage treatment equipment or purchase sewage treatment devices, which cause serious air pollution and water pollution, while most of the sewage in the existing chemical plant is rich in substances such as nitrogen, phosphorus, inorganic salts and the like, the existing treatment method is to neutralize by adding chemical substances, therefore, untreated sewage which is not privately discharged by chemical plants and violates laws and regulations sometimes occurs, the result of eutrophication can be caused after the sewage enters a public water source, the chemical sewage can generally reach the national second-level discharge standard after biochemical treatment, and the water meeting the discharge standard needs to be further deeply treated due to the shortage of water resources to be recycled for the industrial water supplement requirement.
Meanwhile, in the sewage tank exposed outside in the chemical plant at present, some solid garbage can fall into the sewage tank after being used for a long time, the traditional sewage tank can only treat sewage, a large amount of sediments are left at the bottom of the sewage tank, the long-term use of the sewage tank is influenced, the sewage tank needs to be cleaned regularly, in the process, the sewage tank needs to be cleaned manually by workers, the sewage tank can be cleaned, in the cleaning process, workers are required to climb down the sewage tank, certain potential safety hazards exist in the process, and besides the stains in the sewage tank are difficult to transport out of the sewage tank, the working effect is not ideal, and therefore the chemical plant sewage tank cleaning device is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the sewage tank decontamination device for the chemical plant, which has the advantages of strong protection function, convenience in cleaning sundries and the like, and solves the problems that the sewage tank is exposed for a long time, so that garbage falls into the sewage tank and simultaneously precipitates are troublesome to clean.
(II) technical scheme
In order to achieve the purposes of strong protection function and convenient sundries cleaning, the invention provides the following technical scheme: the utility model provides a chemical plant effluent water sump scrubbing device, includes the effluent water sump, the inner wall fixed mounting of effluent water sump has the hydraulic pressure pole setting, the top swing joint of hydraulic pressure pole setting has the protective cover board, the hole has been seted up on protective cover board's surface, the inside swing joint who places the hole has the processing basket, the bottom swing joint of protective cover board has the cartridge filter, the top swing joint of cartridge filter has the operation piece, the inside swing joint of effluent water sump has the scraper blade, the top fixedly connected with moving frame of scraper blade, the interior diapire swing joint of effluent water sump has salvages the box, salvage the top of box and salvage the pole through pivot swing joint, one side fixed mounting of effluent water sump has water level alarm.
Preferably, one end of the sewage pool is fixedly connected with a water inlet pipe, and one end of the water inlet pipe is inserted into the filter cylinder.
Preferably, the other end of the sewage tank is fixedly connected with a drain pipe, and the inner wall of the drain pipe is fixedly connected with a filter screen plate.
Preferably, the inner side wall of the treatment basket is in threaded connection with a sealing cover, and the top of the sealing cover is fixedly connected with an operating handle.
Preferably, the upper surface of the protective cover plate is fixedly connected with an observation window, and the observation window is made of transparent toughened glass.
Preferably, the surface of the filter cylinder is provided with a filter hole, and the surface of the operation block is fixedly connected with a movable handle.
Preferably, the surface of the processing basket is provided with a plurality of contact holes, and the plurality of contact holes are distributed on the surface of the processing basket in an annular array.
Preferably, the inside wall fixed mounting of effluent water sump has the lamp strip, one side of lamp strip is provided with the water level scale.
Preferably, the top of the protective cover plate is in threaded connection with a fixing bolt, the position of the fixing bolt is matched with that of the hydraulic vertical rod, and a groove is formed in the surface of the fixing bolt.
(III) advantageous effects
Compared with the prior art, the invention provides a sewage tank decontamination device for a chemical plant, which has the following beneficial effects:
1. this sewage removal device for sewage pool of chemical plant, setting through hydraulic pressure pole setting and protective cover plate, can play the automatic effect that opens and shuts of protective cover plate, can make protective cover plate strengthen the protection to the sewage pool again, prevent that staff's water falling and rubbish from falling into the pond, through the setting of placing hole and processing basket, can make things convenient for the staff to put into the pond with the chemical item of neutralization, the convenience is changed and is taken out the chemical item is whole simultaneously, through the setting of cartridge filter, can play the sewage that filters the inlet tube and arrange into, it is internal along with sewage entering pond to prevent effectively that rubbish thing from.
2. This sewage pond scrubbing device of chemical plant through the setting of operation piece and scraper blade, can make things convenient for the staff to clear up the precipitate of bottom in with the cell body in salvaging the box, and the rethread fishing rod makes and salvages the cassette and is taking out the cell body to the precipitate, no longer needs the staff to climb down and clear up in the sewage pond, has improved security and convenience simultaneously, has still made things convenient for the spot in the sewage pond to transport out the sewage pond outside, improves the scrubbing effect of clearance.
Drawings
FIG. 1 is a schematic structural view of a sewage treatment device for a sewage tank of a chemical plant according to the present invention;
FIG. 2 is an enlarged schematic structural view of a sewage treatment plant of a chemical plant shown in FIG. 1 at A;
FIG. 3 is an enlarged schematic structural view of a sewage treatment plant of a chemical plant shown in FIG. 1 at B;
FIG. 4 is an enlarged schematic structural view of a sewage treatment plant of a chemical plant shown at C in FIG. 1;
FIG. 5 is a schematic cross-sectional view of a chemical plant wastewater tank decontamination apparatus according to the present invention;
FIG. 6 is a schematic cross-sectional view of a drainage pipe of a sewage treatment device for a sewage tank of a chemical plant according to the present invention.
In the figure: 1. a sewage tank; 2. hydraulic pole setting; 3. a protective cover plate; 4. placing holes; 5. a treatment basket; 6. A filter cartridge; 7. an operation block; 8. a squeegee; 9. moving the frame; 10. fishing the box; 11. a fishing rod; 12. A water level alarm; 13. a water inlet pipe; 14. a drain pipe; 15. a filter screen plate; 16. a sealing cover; 17. An operating handle; 18. an observation window; 19. a filtration pore; 20. moving the handle; 21. a contact hole; 22. A light bar; 23. water level scales; 24. fixing the bolt; 25. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a sewage disposal device for a sewage tank of a chemical plant comprises a sewage tank 1, wherein one end of the sewage tank 1 is fixedly connected with a water inlet pipe 13, one end of the water inlet pipe 13 is inserted into a filter cylinder 6 to facilitate the filter cylinder 6 to filter garbage in sewage, the other end of the sewage tank 1 is fixedly connected with a drain pipe 14, the inner wall of the drain pipe 14 is fixedly connected with a filter screen plate 15 to effectively prevent sundries from blocking the drain pipe 14, a light bar 22 is fixedly installed on the inner side wall of the sewage tank 1, and one side of the light bar 22 is provided with a water level scale 23 to facilitate a worker to;
the inner wall of the sewage pool 1 is fixedly provided with a hydraulic upright rod 2, the top of the hydraulic upright rod 2 is movably connected with a protective cover plate 3, the upper surface of the protective cover plate 3 is fixedly connected with an observation window 18, the material of the observation window 18 is transparent toughened glass, workers can observe the sewage treatment condition conveniently, the top of the protective cover plate 3 is in threaded connection with a fixing bolt 24, the position of the fixing bolt 24 is matched with the position of the hydraulic upright rod 2, the protective cover plate 3 is connected with the hydraulic upright rod 2 conveniently, the surface of the fixing bolt 24 is provided with a groove 25, the surface of the protective cover plate 3 is provided with a placing hole 4, the inside of the placing hole 4 is movably connected with a treatment basket 5, the inner side wall of the treatment basket 5 is in threaded connection with a sealing cover 16 to play a role of sealing the treatment basket 5, chemical substances are prevented from being exposed outside, the top, the surface of the treatment basket 5 is provided with a plurality of contact holes 21, and the contact holes 21 are distributed on the surface of the treatment basket 5 in an annular array form, so that chemicals can be conveniently contacted with sewage for reaction treatment;
protection cover plate 3's bottom swing joint has cartridge filter 6, filtration pore 19 has been seted up on cartridge filter 6's surface, cartridge filter 6's top swing joint has operation piece 7, operation piece 7 passes through slide sliding connection on protection cover plate 3 surface, the fixed surface of operation piece 7 is connected with removal handle 20, make things convenient for the staff to remove cartridge filter 6's position, make things convenient for the one end of inlet tube 13 to insert in the cartridge filter 6, the inside swing joint of effluent water sump 1 has scraper blade 8, scraper blade 8's top fixedly connected with moving frame 9, the interior diapire swing joint of effluent water sump 1 has salvages box 10, salvage box 10's top has salvage pole 11 through pivot swing joint, one side fixed mounting of effluent water sump 1 has water level alarm 12, can make the device possess the function of water level warning, prevent that internal storage sewage is excessive.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the invention, the working steps of the device are as follows:
1. connecting a pipeline for conveying sewage with a water inlet pipe 13, putting chemicals for neutralizing the sewage into a treatment basket 5, closing a sealing cover 16, putting the sealing cover into a placing hole 4 of a protective cover plate 3, actuating a hydraulic upright rod 2 to drive the protective cover plate 3 to descend, covering the protective cover plate 3 on a sewage pool 1, and moving an operation block 7 through a moving handle 20 to insert the water inlet pipe 13 into a filter cylinder 6;
2. the sewage enters the tank body through the water inlet pipe 13 and needs to be filtered through the filter cartridge 6, the garbage flows into the sewage tank 1, and is neutralized and precipitated with chemical substances in the treatment basket 5 in the sewage tank 1 and then is discharged through the water discharge pipe 14;
3. when the device is used, a worker can observe the internal water level through the observation window 18 and then open the light bar 22 to clearly see the water level, and when the sewage is excessive and exceeds the water level warning line of the water level alarm 12, an alarm can be given to remind the worker to prevent the sewage from overflowing the pool body;
4. and after the device used a period, inside sediment partly sediment, hydraulic pressure pole setting 2 can be launched, will protect apron 3 to open, make the staff use and remove frame 9, remove scraper blade 8, scrape the sediment of bottom in the cell body to salvage in the box 10, the rethread fishing rod 11 takes out salvage box 10, clears up the sediment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a chemical plant effluent water sump scrubbing device, includes effluent water sump (1), its characterized in that: the inner wall of the sewage pool (1) is fixedly provided with a hydraulic upright rod (2), the top of the hydraulic upright rod (2) is movably connected with a protective cover plate (3), a placing hole (4) is arranged on the surface of the protective cover plate (3), a processing basket (5) is movably connected inside the placing hole (4), the bottom of the protective cover plate (3) is movably connected with a filter cylinder (6), the top of the filter cylinder (6) is movably connected with an operation block (7), a scraping plate (8) is movably connected inside the sewage pool (1), the top of the scraping plate (8) is fixedly connected with a movable frame (9), the inner bottom wall of the sewage pool (1) is movably connected with a fishing box (10), the top of the fishing box (10) is movably connected with a fishing rod (11) through a rotating shaft, and a water level alarm (12) is fixedly arranged on one side of the sewage pool (1).
2. The device of claim 1, which is characterized in that: one end of the sewage pool (1) is fixedly connected with a water inlet pipe (13), and one end of the water inlet pipe (13) is inserted into the filter cartridge (6).
3. The device of claim 1, which is characterized in that: the sewage treatment device is characterized in that the other end of the sewage tank (1) is fixedly connected with a drain pipe (14), and the inner wall of the drain pipe (14) is fixedly connected with a filter screen plate (15).
4. The device of claim 1, which is characterized in that: the inner side wall of the treatment basket (5) is in threaded connection with a sealing cover (16), and the top of the sealing cover (16) is fixedly connected with an operating handle (17).
5. The device of claim 1, which is characterized in that: the upper surface fixed connection of protection apron (3) has observation window (18), the material of observation window (18) is transparent toughened glass material.
6. The device of claim 1, which is characterized in that: the surface of the filter cartridge (6) is provided with a filter hole (19), and the surface of the operation block (7) is fixedly connected with a movable handle (20).
7. The device of claim 1, which is characterized in that: contact holes (21) are formed in the surface of the processing basket (5), the number of the contact holes (21) is a plurality, and the contact holes (21) are distributed on the surface of the processing basket (5) in an annular array mode.
8. The device of claim 1, which is characterized in that: the inside wall fixed mounting of effluent water sump (1) has lamp strip (22), one side of lamp strip (22) is provided with water level scale (23).
9. The device of claim 1, which is characterized in that: the top of the protective cover plate (3) is in threaded connection with a fixing bolt (24), the position of the fixing bolt (24) is matched with that of the hydraulic vertical rod (2), and a groove (25) is formed in the surface of the fixing bolt (24).
CN202110250862.XA 2021-03-08 2021-03-08 Sewage removing device for sewage pool of chemical plant Pending CN113003772A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110250862.XA CN113003772A (en) 2021-03-08 2021-03-08 Sewage removing device for sewage pool of chemical plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110250862.XA CN113003772A (en) 2021-03-08 2021-03-08 Sewage removing device for sewage pool of chemical plant

Publications (1)

Publication Number Publication Date
CN113003772A true CN113003772A (en) 2021-06-22

Family

ID=76408332

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110250862.XA Pending CN113003772A (en) 2021-03-08 2021-03-08 Sewage removing device for sewage pool of chemical plant

Country Status (1)

Country Link
CN (1) CN113003772A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107624666A (en) * 2017-11-06 2018-01-26 李瑞蓉 A kind of herding drinking trough of water saving
CN206955815U (en) * 2017-06-12 2018-02-02 广东中宇能节能环保科技有限公司 A kind of Novel cultivation waste water integrated equipment for wastewater treatment
CN108911231A (en) * 2018-06-15 2018-11-30 福建省三林生态科技有限公司 A kind of acid cleaning wastewater treatment equipment
CN209442834U (en) * 2018-07-02 2019-09-27 苏州金正益生物科技有限公司 A kind of livestock-raising station-service sewage treatment sludge filtration device
CN210078992U (en) * 2019-05-29 2020-02-18 张刚桥 Sewage removing and impurity removing device for sewage pool of chemical plant
CN110975414A (en) * 2019-12-19 2020-04-10 广东建源检测技术有限公司 Water conservancy and hydropower filter device and use method thereof
CN211170161U (en) * 2019-12-18 2020-08-04 郑州维佳特水处理设备有限公司 Micro-nano air-float oil-water separator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206955815U (en) * 2017-06-12 2018-02-02 广东中宇能节能环保科技有限公司 A kind of Novel cultivation waste water integrated equipment for wastewater treatment
CN107624666A (en) * 2017-11-06 2018-01-26 李瑞蓉 A kind of herding drinking trough of water saving
CN108911231A (en) * 2018-06-15 2018-11-30 福建省三林生态科技有限公司 A kind of acid cleaning wastewater treatment equipment
CN209442834U (en) * 2018-07-02 2019-09-27 苏州金正益生物科技有限公司 A kind of livestock-raising station-service sewage treatment sludge filtration device
CN210078992U (en) * 2019-05-29 2020-02-18 张刚桥 Sewage removing and impurity removing device for sewage pool of chemical plant
CN211170161U (en) * 2019-12-18 2020-08-04 郑州维佳特水处理设备有限公司 Micro-nano air-float oil-water separator
CN110975414A (en) * 2019-12-19 2020-04-10 广东建源检测技术有限公司 Water conservancy and hydropower filter device and use method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
邢旭英等: "《建设项目水土保持与环境保护》", 山东大学出版社, pages: 305 *

Similar Documents

Publication Publication Date Title
CN206476831U (en) A kind of Kitchen sewage treatment device
CN208218551U (en) A kind of sewage disposal device with water quality detecting function
CN107149858A (en) Circulation for plasma fume treatment integrated apparatus
CN113003772A (en) Sewage removing device for sewage pool of chemical plant
CN208022817U (en) A kind of device for handling various waste water from dyestuff
CN215559489U (en) Sewage treatment purifier of municipal works construction
CN212610066U (en) Effluent treatment plant is used in intermediate raw materials processing
CN208667294U (en) A kind of grease filtering recovering device in beasts, birds and aquatic products slaughterhouse
CN205056588U (en) Circulating water pond clears up ware
CN106167315A (en) A kind of sewage disposal device in chemical plant
CN207877516U (en) A kind of aquatic products processing sewage water filtration tapping equipment convenient for slagging-off
CN216497761U (en) A filter equipment for domestic sewage
CN219217660U (en) Stone material processing waste water recycling device
CN220989769U (en) Sewage sedimentation tank
CN216336904U (en) Deodorization processing apparatus for landfill leachate
CN208742096U (en) A kind of landfill leachate is collected and conveying device
CN220812012U (en) Slaughterhouse wastewater pretreatment device
CN213416485U (en) Wastewater treatment device convenient to move
CN220723904U (en) Reclaimed water purifying device with detection function
CN206720888U (en) A kind of sewage-treatment plant
CN205973919U (en) Laboratory wastewater treatment device
CN214192838U (en) Waste water treatment device for producing coatings
CN216661195U (en) Medical science laboratory detects waste water storage device
CN211141788U (en) Catering environment-friendly sewage treatment device
CN210559830U (en) Industrial wastewater filtering device

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