CN116397750A - Rainwater inlet sewage interception and purification device based on sponge city - Google Patents
Rainwater inlet sewage interception and purification device based on sponge city Download PDFInfo
- Publication number
- CN116397750A CN116397750A CN202310445774.4A CN202310445774A CN116397750A CN 116397750 A CN116397750 A CN 116397750A CN 202310445774 A CN202310445774 A CN 202310445774A CN 116397750 A CN116397750 A CN 116397750A
- Authority
- CN
- China
- Prior art keywords
- rainwater
- bottom plate
- clamping
- filtering
- grate
- 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.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 44
- 238000000746 purification Methods 0.000 title claims abstract description 39
- 238000001914 filtration Methods 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000007790 scraping Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 2
- 101100366940 Mus musculus Stom gene Proteins 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 8
- 238000010030 laminating Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The invention relates to a sewage interception and purification device based on a rainwater inlet of a sponge city, and belongs to the technical field of rainwater sewage interception. The rainwater collecting device comprises a rainwater collecting channel arranged on a sponge urban road and a rainwater grate matched with the rainwater collecting channel for use; the rainwater collecting channel comprises a sewer, a water outlet and a grate clamping groove which are communicated with each other, the grate clamping groove is arranged at the opening of the water outlet, and the rainwater grate is clamped in the water outlet through the grate clamping groove in a limiting manner and keeps flush with the road ground. According to the invention, through the combined cooperation among the fixed filtering device, the movable filtering device and the filter residue collecting device, a closed filtering channel can be formed, the effect of water purification can be improved through secondary filtering, the normal discharge of rainwater can be ensured, and the blockage of a pipeline can be prevented; meanwhile, the filter residues can be collected in a concentrated mode and can be taken out to be cleaned conveniently, sundries are prevented from accumulating and deteriorating in a sewer, the whole device is simple to operate, and the sundries are cleaned conveniently.
Description
Technical Field
The invention belongs to the technical field of rainwater sewage interception, and relates to a sewage interception and purification device based on a rainwater inlet of a sponge city.
Background
The sponge city is a new generation city rain and flood management concept, and the city can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, responding to natural disasters caused by rainwater and the like, and can be also called as a 'water elasticity city'. When raining, water is absorbed, stored, permeated and purified, and the stored water is released and utilized as required, so that the free migration of rainwater in cities is realized. The sponge city construction is based on ecological priority, combines natural approach with artificial measures, and realizes the accumulation, permeation and purification of rainwater in city area to the maximum extent under the premise of ensuring the urban drainage waterlogging prevention safety, thereby promoting the utilization of rainwater resources and protecting ecological environment. In the construction process of the sponge city, the systematicness of natural precipitation, surface water and underground water should be comprehensively planned, and all links of water recycling such as water supply, water drainage and the like should be coordinated, and the complexity and the long-term performance of the system should be considered.
Most urban rainwater is stored and collected in a flow mode of digging a sewer, and is directly discharged to nearby rivers and the like, no matter the urban rainwater is collected or discharged, a water outlet and a water drainage channel are firstly formed in an urban road, and at present, the water outlet is covered by a rainwater grate; however, the general structure of traditional rainwater grate is simpler, the function is also comparatively single, only carry out the filtration emission of rainwater through the hole that permeates water above, in order to guarantee the velocity of flow of rainwater emission, prevent road ponding, the hole that permeates water to rainwater grate is designed bigger generally, this just results in can only intercept some great debris of size, it is less to some sizes, such as cigarette end, small-size leaf, branch, food bag, coin, little stone etc. debris all do not have the effect of interception, consequently can cause a large amount of debris to get into in the sewer, pile up in the inside for a long time not only easily causes rotten fungus, the stench takes place, influence surrounding environment, still easily block up the pipeline, and general outlet is all less, debris rubbish clearance to the sewer is also more troublesome, consequently we propose a gutter inlet based on sponge city cuts sewage purification device for solve above-mentioned problem.
Disclosure of Invention
In view of the above, the invention aims to solve the problems that the traditional rainwater grate has single function, is inconvenient to intercept and collect impurities with smaller size, is easy to cause rotten bacteria and malodor to occur when being piled up in a sewer for a long time, affects the surrounding environment, is easy to block a pipeline, has smaller general water outlet and is more troublesome to clean the impurities and the garbage of the sewer, and provides the rainwater inlet sewage interception water purification device based on a sponge city.
In order to achieve the above purpose, the present invention provides the following technical solutions: comprising the following steps:
the rainwater collecting channel is arranged on the sponge urban road, and the rainwater grate is matched with the rainwater collecting channel for use;
the rainwater collecting channel comprises a sewer, a water outlet and a grate clamping groove which are communicated with each other, the grate clamping groove is arranged at the opening of the water outlet, and the rainwater grate is clamped in the water outlet through the grate clamping groove in a limiting manner and keeps flush with the road ground;
two groups of fixed filtering devices are symmetrically arranged in the sewer and positioned at two sides below the water outlet and are used for filtering the collected rainwater again;
the movable filtering device is arranged between the sewer and the water outlet, is used for guiding and collecting rainwater, and is in butt joint with two groups of fixed filtering devices to form a filtering channel;
two sets of filter residue collection device, symmetry hinge is in the bottom of rainwater grate forms a confined filtration passageway with two sets of fixed filter equipment cooperation respectively, can intercept the collection to filterable filter residue, with movable filter equipment cooperation forms a confined collection frame for collect in a concentrated way filterable filter residue, be convenient for take out the clearance.
Further, fixed filter equipment includes first bottom plate, the bottom of first bottom plate through two at least bracing pieces with the bottom inner wall fixed connection of sewer, the equal fixedly connected with first curb plate in the long limit both sides in top of first bottom plate, two a plurality of first filtration pores have all been seted up to the side of first curb plate with the top of first bottom plate.
Further, activity filter equipment includes the second bottom plate, the top symmetry of second bottom plate runs through there are two installation guide arms, two the bottom of installation guide arm all with the bottom inner wall fixed connection of sewer, the equal fixedly connected with second curb plate in the long limit both sides in top of second bottom plate, two the side of second curb plate with a plurality of second filtration pores have all been seted up at the top of second bottom plate, the both sides minor face of second bottom plate respectively with two one side minor face that the first bottom plate is close to mutually laminating, two the both sides minor face of second curb plate all respectively with adjacent one side minor face of first curb plate laminates mutually.
Further, a supporting block is fixedly connected to one side, close to the second bottom plate, of the bottom of the first bottom plate, and one side of the supporting block extends to the outer side of the first bottom plate and is in supporting contact with one side of the bottom of the second bottom plate.
Further, a gap is reserved between the top of the first side plate and the top wall of the sewer.
Further, one side of the second side plate extends into the drain opening and contacts the inner wall of the drain opening.
Further, filter residue collection device includes the scraper blade, a plurality of third filtration pores have been seted up to the side of scraper blade, the bottom of scraper blade and the top contact cooperation of first bottom plate or second bottom plate, the top of scraper blade with the roof of sewer contacts, the scraper blade is close to one side symmetry rotation of outlet is connected with two connecting rods, two the other end rotation of connecting rod is connected with same connecting block, just connecting block fixed connection is in the bottom intermediate position of rainwater grate.
Further, two fixed blocks are fixedly connected to the top of the second bottom plate symmetrically, clamping grooves are formed in one sides, away from each other, of the fixed blocks, clamping blocks are fixedly connected to one sides, close to each other, of the two scraping plates and are matched with the clamping grooves, grooves are formed in the bottoms of the clamping blocks, clamping rods are connected to the grooves in a sliding mode, the top ends of the clamping rods and the top wall of the grooves are fixedly connected with one reset spring, the bottom ends of the clamping rods extend downwards to the lower portion of the bottom of the clamping blocks, inclined planes, close to the openings, of the inner walls of the bottoms of the clamping grooves are formed in one sides, matched with clamping holes in a plugging mode, of the clamping rods are formed in the inner walls of the bottoms of the clamping grooves symmetrically, two limiting sliding grooves are respectively located under the two fixed blocks, limiting rings are connected to the bottoms of the limiting sliding mode, ejector rods penetrate through the top ends of the clamping grooves and are matched with the bottom ends of the clamping rods, and the bottom ends of the clamping rods are matched with the bottom ends of the clamping rods.
Further, the inner wall of the groove is fixedly provided with a waterproof rubber ring, and one side of the clamping rod penetrates through the waterproof rubber ring.
Further, triangular scraping grooves are formed in the bottoms of the two sides, close to each other, of the scraping plates.
The invention has the beneficial effects that:
1. according to the rainwater inlet sewage interception and purification device based on the sponge city, through the combined cooperation of the two groups of fixed filtering devices, the movable filtering devices and the two groups of filter residue collecting devices, a closed filtering channel can be formed below a water outlet, rainwater can enter the filtering channel for secondary filtering under the primary filtering of the rainwater grate, smaller impurities can be filtered and collected, a large amount of impurities carried by the rainwater on a road surface can be effectively intercepted, the cleanliness of the rainwater is improved, and the blockage of a pipeline is effectively prevented;
2. according to the rainwater inlet sewage interception and purification device based on the sponge city, disclosed by the invention, the area of the filtering channel is far larger than that of the water outlet, so that the normal drainage of rainwater can be ensured; the first side plate, the second side plate and the scraping plate are provided with the filtering holes, so that the rainwater can be filtered and discharged even if the first bottom plate and the second bottom plate are blocked; furthermore, a certain gap is reserved between the first side plate and the top wall of the underground water channel, so that the timely discharge of rainwater can be ensured even under the condition of heavy rainfall or serious blockage, and the accumulated water on the road surface is prevented;
3. according to the rainwater inlet sewage interception and purification device based on the sponge city, the rainwater grate is lifted upwards, two scrapers can be driven to approach each other, filter residues on the first bottom plate are scraped towards the middle to be collected, the filter residues are collected on the second bottom plate in a concentrated mode, then a closed collecting frame is formed through cooperation among the second bottom plate, the two second side plates and the two scrapers, the filter residues are collected in the collecting frame in a concentrated mode, finally the whole collecting frame is brought upwards through continuous upward movement of the rainwater grate, and collecting and cleaning of the filter residues are completed;
4. according to the rainwater inlet sewage interception and purification device based on the sponge city, disclosed by the invention, after the movable filtering device and the filter residue collecting device are combined to form the closed collecting frame, the integral automatic clamping effect can be realized through upward movement, the combination stability of the whole collecting frame is improved, the whole device is prevented from being scattered after being taken out, sundries are prevented from flowing out, the operation is more convenient, and the practicability of the whole device is improved.
According to the invention, through the combined cooperation among the fixed filtering device, the movable filtering device and the filter residue collecting device, a closed filtering channel can be formed, the effect of water purification can be improved through secondary filtering, the normal discharge of rainwater can be ensured, and the blockage of a pipeline can be prevented; meanwhile, the filter residues can be collected in a concentrated mode and can be taken out to be cleaned conveniently, sundries are prevented from being accumulated and spoiled in a sewer, the whole device is simple to operate, the sundries are cleaned conveniently, and the device has good practicability.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a perspective view of the whole structure of a sewage interception and purification device based on a sponge city;
FIG. 2 is a perspective exploded view of a partial structure of a sewage interception and purification device based on a sponge city;
FIG. 3 is a perspective view of a fixed filtering device of the sewage interception and purification device based on a sponge city;
FIG. 4 is a perspective view of a movable filtering device of the sewage interception and purification device based on a sponge city;
FIG. 5 is a perspective view of a filter residue collecting device of the sewage interception and purification device based on a sponge city;
FIG. 6 is a top view of the whole structure of a sewage interception and purification device based on a sponge city;
FIG. 7 is a front view of the whole structure of the sewage interception and purification device based on sponge city when in use;
FIG. 8 is a front cross-sectional view of the whole structure of the sewage interception and purification device based on sponge city when in use;
FIG. 9 is a front cross-sectional view of a connecting structure of a fixed block and a second bottom plate of the sewage interception and purification device based on a sponge city;
FIG. 10 is a front cross-sectional view of a connection structure of a clamping block and a scraping plate of the sewage interception and purification device based on a sponge city;
FIG. 11 is a front cross-sectional view of the whole structure of the sewage interception and purification device based on sponge city when the filter residues are collected;
FIG. 12 is an enlarged view of part A of the sewage interception and purification device based on a sponge city;
FIG. 13 is a schematic diagram of the overall structure of the sponge city-based gully sewage interception and purification device after the collected top filter residues are taken out;
fig. 14 is a front cross-sectional view of the whole structure of the movable filtering device and the residue collecting device of the sewage interception and purification device based on the sponge city.
Reference numerals:
10. a rain grate;
20. a rainwater collection channel; 201. a sewer; 202. a water outlet; 203. a grate clamping groove;
30. fixing the filtering device; 301. a first base plate; 302. a support rod; 303. a first side plate; 304. a support block; 305. a first filter hole;
40. a movable filter device; 401. a second base plate; 4011. limiting sliding grooves; 402. installing a guide rod; 403. a second side plate; 404. a fixed block; 4041. a clamping groove; 4042. an inclined plane; 4043. a clamping hole; 405. a second filter hole; 406. a push rod; 407. a limiting ring;
50. a filter residue collection device; 501. a scraper; 5011. a third filter hole; 5012. triangular scraping grooves; 502. a clamping block; 5021. a groove; 503. a connecting block; 504. a connecting rod; 505. a clamping rod; 506. a return spring; 507. waterproof rubber rings.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1 and fig. 7-8, the rainwater inlet sewage interception and purification device based on the sponge city comprises a rainwater collection channel 20 arranged on a road of the sponge city and a rainwater grate 10 matched with the rainwater collection channel 20, wherein the rainwater collection channel 20 comprises a sewer 201, a water outlet 202 and a grate clamping groove 203 which are mutually communicated, the grate clamping groove 203 is arranged at an opening of the water outlet 202, and the rainwater grate 10 is clamped in the water outlet 202 in a limiting manner through the grate clamping groove 203 and keeps flush with the road surface. When raining, the rainwater filters large sundries through the rainwater grate 10, then enters the sewer 201 from the water outlet 202, and finally flows into the rainwater collecting tank for centralized collection along the arrangement of the sewer 201 and the pipeline; the harmful substances in the rainwater can be purified and removed by adopting a purifying device before collection, wherein the purifying device is a conventional technical means, and a person skilled in the art can think in design, and the purifying device is not specifically described in the application.
As shown in fig. 1-3 and fig. 7-8, the sewage interception and purification device for the gully further comprises two groups of fixed filtering devices 30 symmetrically arranged in the sewer 201, wherein the two groups of fixed filtering devices 30 are positioned at two sides below the water outlet 202 and used for filtering the collected rainwater again; the fixed filtering device 30 comprises a first bottom plate 301, wherein the bottom of the first bottom plate 301 is fixedly connected with the bottom inner wall of the sewer 201 through at least two supporting rods 302, the two sides of the long side of the top of the first bottom plate 301 are fixedly connected with first side plates 303, and a plurality of first filtering holes 305 are formed in the side edges of the two first side plates 303 and the top of the first bottom plate 301. By the combined arrangement of the first bottom plate 301 and the two first side plates 303, a filtering passage can be formed, and the filtering of rainwater can be realized through the first filtering holes 305.
As shown in fig. 1-2, 4 and 7-8, the sewage interception and purification device further comprises a movable filtering device 40 arranged between the sewer 201 and the water outlet 202, and is used for guiding and collecting rainwater and simultaneously butting with two groups of fixed filtering devices 30 to form a filtering channel; the movable filtering device 40 comprises a second bottom plate 401, two installation guide rods 402 are symmetrically penetrated through the top of the second bottom plate 401, the bottom ends of the two installation guide rods 402 are fixedly connected with the inner wall of the bottom of the sewer 201, the two sides of the long edge of the top of the second bottom plate 401 are fixedly connected with second side plates 403, a plurality of second filtering holes 405 are formed in the side edges of the two second side plates 403 and the top of the second bottom plate 401, the two short edges of the second bottom plate 401 are respectively attached to one short edge of the two first bottom plates 301, and the two short edges of the two second side plates 403 are respectively attached to one short edge of the adjacent first side plates 303. Laminating with two first bottom plates 301 respectively through second bottom plate 401 to and laminating between second curb plate 403 and the first lateral plate 303 can form a longer filtration passageway, when the top rainwater inflow is great, can improve filterable efficiency through longer passageway's setting, avoid the rainwater circulation not smooth, lead to the jam.
As shown in fig. 2-3 and fig. 7-8, in the present invention, a supporting block 304 is fixedly connected to a side of the bottom of the first bottom plate 301 near the second bottom plate 401, and one side of the supporting block 304 extends to the outer side of the first bottom plate 301 and is in supporting contact with one side of the bottom of the second bottom plate 401. When the second bottom plate 401 slides downwards along the installation guide rod 402, the effect of supporting and limiting can be achieved through contact with the supporting blocks 304, so that flush butt joint between the first bottom plate 301 and the second bottom plate 401 is facilitated.
As shown in fig. 1 and fig. 5-8, the sewage interception and purification device for a gully further comprises two groups of filter residue collecting devices 50 symmetrically hinged to the bottom of the rainwater grate 10, wherein the two groups of filter residue collecting devices are respectively matched with the two groups of fixed filtering devices 30 to form a closed filtering channel, so that filtered filter residues can be intercepted and collected, and the two groups of filter residue collecting devices are matched with the movable filtering device 40 to form a closed collecting frame for collecting the filtered filter residues in a concentrated manner, so that the filtered filter residues are taken out and cleaned conveniently; the filter residue collecting device 50 comprises a scraper 501, a plurality of third filtering holes 5011 are formed in the side edge of the scraper 501, the bottom of the scraper 501 is in contact fit with the top of the first bottom plate 301 or the top of the second bottom plate 401, the top of the scraper 501 is in contact with the top wall of the sewer 201, two connecting rods 504 are symmetrically connected to one side of the scraper 501 close to the water outlet 202 in a rotating mode, the other ends of the two connecting rods 504 are rotatably connected with the same connecting block 503, and the connecting block 503 is fixedly connected to the middle position of the bottom of the rainwater grate 10. Through the combination of the first bottom plate 301, the first side plate 303, the second bottom plate 401, the second side plate 403 and the two scraping plates 501, a closed filtering channel can be formed, and impurities in leaked rainwater can be filtered and collected; and when the rainwater grate 10 is taken out upwards, the two scrapers 501 can be driven to move close to each other through the connecting rod 504, and filter residues on the first bottom plate 301 are pushed to the second bottom plate 401 for centralized collection.
Example two
This embodiment is a further improvement over the previous embodiment: as shown in fig. 1 and fig. 7-8, the rainwater inlet sewage interception and purification device based on the sponge city comprises a rainwater collection channel 20 arranged on a road of the sponge city and a rainwater grate 10 matched with the rainwater collection channel 20, wherein the rainwater collection channel 20 comprises a sewer 201, a water outlet 202 and a grate clamping groove 203 which are mutually communicated, the grate clamping groove 203 is arranged at an opening of the water outlet 202, and the rainwater grate 10 is clamped in the water outlet 202 in a limiting manner through the grate clamping groove 203 and keeps flush with the road surface. When raining, the rainwater filters large sundries through the rainwater grate 10, then enters the sewer 201 from the water outlet 202, and finally flows into the rainwater collecting tank for centralized collection along the arrangement of the sewer 201 and the pipeline; the harmful substances in the rainwater can be purified and removed by adopting a purifying device before collection, wherein the purifying device is a conventional technical means, and a person skilled in the art can think in design, and the purifying device is not specifically described in the application.
As shown in fig. 1-3 and fig. 7-8, the sewage interception and purification device for the gully further comprises two groups of fixed filtering devices 30 symmetrically arranged in the sewer 201, wherein the two groups of fixed filtering devices 30 are positioned at two sides below the water outlet 202 and used for filtering the collected rainwater again; the fixed filtering device 30 comprises a first bottom plate 301, wherein the bottom of the first bottom plate 301 is fixedly connected with the bottom inner wall of the sewer 201 through at least two supporting rods 302, the two sides of the long side of the top of the first bottom plate 301 are fixedly connected with first side plates 303, and a plurality of first filtering holes 305 are formed in the side edges of the two first side plates 303 and the top of the first bottom plate 301. By the combined arrangement of the first bottom plate 301 and the two first side plates 303, a filtering passage can be formed, and the filtering of rainwater can be realized through the first filtering holes 305.
As shown in fig. 7-8, in the present invention, a gap is left between the top of the first side plate 303 and the top wall of the sewer 201. By leaving a certain gap between the first side plate 303 and the top wall of the sewer 201, effective drainage can be performed in case that the filtering channel is blocked in a large area or the drainage of the rainwater is not timely due to the large quantity, so that the accumulated water caused by the road surface is prevented.
As shown in fig. 1-2, 4 and 7-8, the sewage interception and purification device further comprises a movable filtering device 40 arranged between the sewer 201 and the water outlet 202, and is used for guiding and collecting rainwater and simultaneously butting with two groups of fixed filtering devices 30 to form a filtering channel; the movable filtering device 40 comprises a second bottom plate 401, two installation guide rods 402 are symmetrically penetrated through the top of the second bottom plate 401, the bottom ends of the two installation guide rods 402 are fixedly connected with the inner wall of the bottom of the sewer 201, the two sides of the long edge of the top of the second bottom plate 401 are fixedly connected with second side plates 403, a plurality of second filtering holes 405 are formed in the side edges of the two second side plates 403 and the top of the second bottom plate 401, the two short edges of the second bottom plate 401 are respectively attached to one short edge of the two first bottom plates 301, and the two short edges of the two second side plates 403 are respectively attached to one short edge of the adjacent first side plates 303. Laminating with two first bottom plates 301 respectively through second bottom plate 401 to and laminating between second curb plate 403 and the first lateral plate 303 can form a longer filtration passageway, when the top rainwater inflow is great, can improve filterable efficiency through longer passageway's setting, avoid the rainwater circulation not smooth, lead to the jam.
As shown in fig. 7 to 8, in the present invention, one side of the second side plate 403 extends into the drain port 202 and contacts the inner wall of the drain port 202. After the second bottom plate 401 is installed in a limiting mode, one side of the second side plate 403 is reserved with a part in the water outlet 202, so that on one hand, a better water guide effect can be achieved, on the other hand, the whole of the fixed filtering device 30 can be conveniently taken out, the fixed filtering device is prevented from being clamped in the sewer 201, and later operation is facilitated.
As shown in fig. 2-3 and fig. 7-8, in the present invention, a supporting block 304 is fixedly connected to a side of the bottom of the first bottom plate 301 near the second bottom plate 401, and one side of the supporting block 304 extends to the outer side of the first bottom plate 301 and is in supporting contact with one side of the bottom of the second bottom plate 401. When the second bottom plate 401 slides downwards along the installation guide rod 402, the effect of supporting and limiting can be achieved through contact with the supporting blocks 304, so that flush butt joint between the first bottom plate 301 and the second bottom plate 401 is facilitated.
As shown in fig. 1 and fig. 5-8, the sewage interception and purification device for a gully further comprises two groups of filter residue collecting devices 50 symmetrically hinged to the bottom of the rainwater grate 10, wherein the two groups of filter residue collecting devices are respectively matched with the two groups of fixed filtering devices 30 to form a closed filtering channel, so that filtered filter residues can be intercepted and collected, and the two groups of filter residue collecting devices are matched with the movable filtering device 40 to form a closed collecting frame for collecting the filtered filter residues in a concentrated manner, so that the filtered filter residues are taken out and cleaned conveniently; the filter residue collecting device 50 comprises a scraper 501, a plurality of third filtering holes 5011 are formed in the side edge of the scraper 501, the bottom of the scraper 501 is in contact fit with the top of the first bottom plate 301 or the top of the second bottom plate 401, the top of the scraper 501 is in contact with the top wall of the sewer 201, two connecting rods 504 are symmetrically connected to one side of the scraper 501 close to the water outlet 202 in a rotating mode, the other ends of the two connecting rods 504 are rotatably connected with the same connecting block 503, and the connecting block 503 is fixedly connected to the middle position of the bottom of the rainwater grate 10. Through the combination of the first bottom plate 301, the first side plate 303, the second bottom plate 401, the second side plate 403 and the two scraping plates 501, a closed filtering channel can be formed, and impurities in leaked rainwater can be filtered and collected; and when the rainwater grate 10 is taken out upwards, the two scrapers 501 can be driven to move close to each other through the connecting rod 504, and filter residues on the first bottom plate 301 are pushed to the second bottom plate 401 for centralized collection.
As shown in fig. 4-12, in the present invention, two fixing blocks 404 are symmetrically and fixedly connected to the top of a second bottom plate 401, two clamping grooves 4041 are respectively formed on one side, away from each other, of the two fixing blocks 404, two clamping blocks 502 adapted to the clamping grooves 4041 are respectively and fixedly connected to one side, close to each other, of the two scraping plates 501, a groove 5021 is formed at the bottom of the clamping block 502, a clamping rod 505 is slidably connected to the inside of the groove 5021, the top end of the clamping rod 505 is fixedly connected to the top wall of the groove 5021, the same return spring 506 is fixedly connected between the top end of the clamping rod 505 and the top wall of the groove 5021, the bottom end of the clamping rod 505 extends downwards to the bottom of the clamping block 502, an inclined surface 4042 matched with the clamping rod 505 is formed on one side, close to the opening, of the bottom inner wall of the bottom of the clamping groove 4041 is provided with a clamping hole 4043 matched with the clamping rod 505, two limiting sliding grooves 4011 respectively located under the two fixing blocks 404 are symmetrically formed on the top of the second bottom plate 401, a limiting ring is slidably connected to the inside of the limiting sliding groove 4011, the limiting ring 407 is fixedly penetrates through the top end of the clamping rod 407, the top end 406 and the top end of the clamping rod 505 penetrates through the bottom end of the clamping rod 4043 to the bottom end of the clamping rod 505 to be matched with the bottom of the second bottom plate 401. When the rain grate 10 is lifted upwards, the two scraping plates 501 can be pulled to be close to each other through the connecting rod 504, the scraping plates 501 can drive the clamping blocks 502 to be just clamped in the clamping grooves 4041, as shown in fig. 11 and 12, when the clamping blocks 502 drive the clamping rods 505 to move to be contacted with the inclined surfaces 4042, the clamping rods 505 can be pushed to move upwards and extrude the reset springs 506, when the clamping blocks 502 are completely clamped in the clamping grooves 4041, the bottom ends of the clamping rods 505 just abut against the top ends of the ejector rods 406 at the moment, and the reset springs 506 are always in a compressed state because the ejector rods 406 are abutted by the supporting blocks 304; when the rainwater grate 10 is lifted up continuously, the clamping blocks 502 and the fixing blocks 404 can be clamped at the moment, the second bottom plate 401 is driven up through the scraping plates 501, after the second bottom plate 401 is separated from the supporting blocks 304, the clamping rods 505 can be pushed to move downwards under the action of the elastic force of the reset springs 506, meanwhile, the clamping rods 505 start to move downwards under the action of the gravity of the ejector rods 406 and the downward pushing of the clamping rods 505, the limiting rings 407 limit the downward movement of the clamping rods, and the clamping rods 505 can be clamped in the clamping holes 4043, so that automatic clamping between the clamping blocks 502 and the fixing blocks 404 is realized, and the fixing between the scraping plates 501 and the second bottom plate 401 is completed; through the cooperation of two scraper blades 501, two second curb plates 403 and second bottom plate 401 each other, can form a confined collection frame, make the filter residue concentrate in this collection frame, outwards take out the collection frame that whole activity filter equipment 40 and filter residue collection device 50 formed through rainwater grate 10 at last to the realization is concentrated the filter residue and is taken out the effect of clearance.
Example III
This embodiment is a further improvement over the previous embodiment: as shown in fig. 10, the inner wall of the groove 5021 is fixedly provided with a waterproof rubber ring 507, and one side of the clamping rod 505 penetrates through the waterproof rubber ring 507. Through the setting of waterproof rubber ring 507, can play waterproof effect, waterproof rainwater gets into in the recess 5021 and causes the corruption to reset spring 506, influences the normal use of card pole 505.
Example IV
This embodiment is a further improvement over the previous embodiment: as shown in fig. 5 and 8, triangular scraping grooves 5012 are formed in the bottoms of the two scraping plates 501 on the sides close to each other. The triangular scraping groove 5012 can facilitate scraping and moving of the filter residues on the first bottom plate 301, and the filter residue collecting effect is improved.
Working principle: firstly, as shown in fig. 1 and 7, the rainwater is primarily filtered through the rainwater grate, the impurities with larger volume are left on the ground, the smaller impurities enter the sewer 201 along with the rainwater through the water outlet 202 and fall into a closed filtering channel formed by the fixed filtering device 30, the movable filtering device 40 and the filter residue collecting device 50, so that secondary filtering is completed, the effect of intercepting sewage and purifying the water is achieved, and the filtered rainwater enters a rainwater collecting tank along the sewer 201 to be collected or directly discharged into a nearby river. When the filter residues need to be cleaned, as shown in fig. 8 and 11, the rainwater grate 10 is lifted upwards, the two scrapers 501 are pulled to be close to each other by the connecting rod 504, the scrapers 501 can drive the clamping blocks 502 to be just clamped in the clamping grooves 4041, as shown in fig. 11 and 12, when the clamping blocks 502 drive the clamping rods 505 to move to be contacted with the inclined surfaces 4042, the clamping rods 505 can be pushed to move upwards and press the reset springs 506, and when the clamping blocks 502 are completely clamped in the clamping grooves 4041, the bottom ends of the clamping rods 505 just collide with the top ends of the ejector rods 406 at the moment, and the ejector rods 406 are collided by the supporting blocks 304, so that the reset springs 506 are always in a compressed state; when the rainwater grate 10 is lifted up continuously, the clamping blocks 502 and the fixing blocks 404 can be clamped at the moment, the second bottom plate 401 is driven up through the scraping plates 501, after the second bottom plate 401 is separated from the supporting blocks 304, the clamping rods 505 can be pushed to move downwards under the action of the elastic force of the reset springs 506, meanwhile, the clamping rods 505 start to move downwards under the action of the gravity of the ejector rods 406 and the downward pushing of the clamping rods 505, the limiting rings 407 limit the downward movement of the clamping rods, and the clamping rods 505 can be clamped in the clamping holes 4043, so that automatic clamping between the clamping blocks 502 and the fixing blocks 404 is realized, and the fixing between the scraping plates 501 and the second bottom plate 401 is completed; by the cooperation of the two scrapers 501, the two second side plates 403 and the second bottom plate 401, a closed collecting frame can be formed, and filter residues are concentrated in the collecting frame; finally, as shown in fig. 13, the whole movable filter device 40 and the filter residue collecting device 50 are taken out from the collecting frame through the rain grate 10, so that the effect of collecting and cleaning the filter residues is realized. On the contrary, after the movable filtering device 40 and the filter residue collecting device 50 are put down, the push rod 406 is pushed to move upwards through the interference between the push rod 406 and the support block 304, and the clamping rod 505 is pushed upwards and extrudes the return spring 506, so that the clamping rod 505 is separated from the clamping connection with the clamping hole 4043, the clamping connection between the clamping block 502 and the fixed block 404 is automatically released, after the rainwater grate 10 is continuously put down, the two scraping plates 501 are pushed to be away from each other through the connecting rod 504, and a closed filtering channel is formed again.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a sewage purification device is cut to inlet for stom water based on sponge city which characterized in that includes:
a rainwater collection channel (20) arranged on a sponge urban road and a rainwater grate (10) matched with the rainwater collection channel (20);
the rainwater collecting channel (20) comprises a sewer (201), a water outlet (202) and a grate clamping groove (203) which are communicated with each other, the grate clamping groove (203) is arranged at the opening of the water outlet (202), and the rainwater grate (10) is clamped in the water outlet (202) in a limiting manner through the grate clamping groove (203) and keeps flush with the road ground;
two groups of fixed filtering devices (30) are symmetrically arranged in the sewer (201) and positioned at two sides below the water outlet (202) for filtering the collected rainwater again;
the movable filtering device (40) is arranged between the sewer (201) and the water outlet (202) and is used for guiding and collecting rainwater and is simultaneously in butt joint with the two groups of fixed filtering devices (30) to form a filtering channel;
two sets of filter residue collecting device (50), symmetry hinge are in the bottom of rainwater grate (10), respectively with two sets of fixed filter equipment (30) cooperation forms a confined filtration passageway, can intercept the collection to filterable filter residue, with movable filter equipment (40) cooperation forms a confined collection frame for concentrate the collection to filterable filter residue, be convenient for take out the clearance.
2. The gully sewage intercepting and purifying device based on the sponge city according to claim 1, wherein the fixed filtering device (30) comprises a first bottom plate (301), the bottom of the first bottom plate (301) is fixedly connected with the inner wall of the bottom of the sewer (201) through at least two supporting rods (302), the two sides of the long edge of the top of the first bottom plate (301) are fixedly connected with a first side plate (303), and a plurality of first filtering holes (305) are formed in the side edges of the two first side plates (303) and the top of the first bottom plate (301).
3. The sewage intercepting and purifying device based on the rainwater inlet of the sponge city according to claim 2, wherein the movable filtering device (40) comprises a second bottom plate (401), two installation guide rods (402) symmetrically penetrate through the top of the second bottom plate (401), the bottom ends of the two installation guide rods (402) are fixedly connected with the inner wall of the bottom of the sewer (201), two side plates (403) are fixedly connected to the two sides of the long edge of the top of the second bottom plate (401), a plurality of second filtering holes (405) are formed in the side edges of the two side plates (403) and the top of the second bottom plate (401), the two short edges of the two sides of the second bottom plate (401) are respectively attached to one short edge of the two side edges of the first bottom plate (301), and the two short edges of the two sides of the second side plates (403) are respectively attached to one short edge of the adjacent side edges of the first side plate (303).
4. A gully sewage intercepting and purifying device based on sponge city as claimed in claim 3, characterized in that a supporting block (304) is fixedly connected to one side of the bottom of the first bottom plate (301) close to the second bottom plate (401), and one side of the supporting block (304) extends to the outer side of the first bottom plate (301) and is in supporting contact with one side of the bottom of the second bottom plate (401).
5. A gully sewage interception and purification device based on sponge city as claimed in claim 2 or 4 wherein a gap is left between the top of the first side plate (303) and the top wall of the sewer (201).
6. A gully sewage intercepting and purifying device based on sponge city according to claim 3 or 4, characterized in that one side of said second side plate (403) extends into said outlet (202) and contacts with the inner wall of said outlet (202).
7. The gully sewage interception and purification device based on the sponge city according to claim 4, wherein the filter residue collection device (50) comprises a scraper blade (501), a plurality of third filtering holes (5011) are formed in the side edge of the scraper blade (501), the bottom of the scraper blade (501) is in contact fit with the top of the first bottom plate (301) or the top of the second bottom plate (401), the top of the scraper blade (501) is in contact with the top wall of the sewer (201), two connecting rods (504) are symmetrically connected to one side of the scraper blade (501) close to the water outlet (202) in a rotating mode, one connecting block (503) is connected to the other ends of the two connecting rods (504) in a rotating mode, and the connecting block (503) is fixedly connected to the middle position of the bottom of the rainwater grate (10).
8. The gully sewage intercepting and purifying device based on sponge city according to claim 7, wherein two fixing blocks (404) are symmetrically and fixedly connected to the top of the second bottom plate (401), clamping grooves (4041) are formed in two sides, far away from each other, of the two fixing blocks (404), clamping blocks (502) matched with the clamping grooves (4041) are fixedly connected to two sides, close to each other, of the two scraping plates (501), grooves (5021) are formed in the bottoms of the clamping blocks (502), clamping rods (505) are slidably connected to the bottoms of the grooves (5021), one reset spring (506) is fixedly connected between the top ends of the clamping rods (505) and the top wall of the groove (5021), and the bottom ends of the clamping rods (505) extend downwards to the bottoms of the clamping blocks (502);
an inclined surface (4042) matched with the clamping rod (505) for use is arranged on one side of the inner wall of the bottom of the clamping groove (4041) close to the opening;
a clamping hole (4043) which is in plug-in fit with the clamping rod (505) is formed in the inner wall of the bottom of the clamping groove (4041);
two limit sliding grooves (4011) which are respectively positioned under the fixed blocks (404) are symmetrically formed in the top of the second bottom plate (401), limit rings (407) are connected to the inside of the limit sliding grooves (4011) in a sliding mode, ejector rods (406) are fixedly penetrated through the inside of the limit rings (407), the top ends of the ejector rods (406) penetrate through the clamping holes (4043) and are matched with the bottom ends of the clamping rods (505), and the bottom ends of the ejector rods (406) penetrate through the bottom of the second bottom plate (401) and are matched with the top ends of the supporting blocks (304).
9. The rainwater intercepting and purifying device based on the sponge city according to claim 8, wherein a waterproof rubber ring (507) is fixedly arranged on the inner wall of the groove (5021), and one side of the clamping rod (505) penetrates through the waterproof rubber ring (507).
10. The gully sewage interception and purification device based on sponge city as claimed in claim 8 or 9, wherein the bottom of one side of the two scrapers (501) close to each other is provided with a triangular scraping groove (5012).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310445774.4A CN116397750B (en) | 2023-04-24 | Rainwater inlet sewage interception and purification device based on sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310445774.4A CN116397750B (en) | 2023-04-24 | Rainwater inlet sewage interception and purification device based on sponge city |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116397750A true CN116397750A (en) | 2023-07-07 |
| CN116397750B CN116397750B (en) | 2024-05-14 |
Family
ID=
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04202927A (en) * | 1990-11-29 | 1992-07-23 | Sugiaki Kusatake | Cover for roadway drainage canal |
| KR200378313Y1 (en) * | 2004-12-20 | 2005-03-14 | 채경희 | Apparatus for processing contaminants in road surface drainage of road drain facilities |
| CN209114274U (en) * | 2018-11-10 | 2019-07-16 | 深圳华创建筑装饰股份有限公司 | A kind of town road drainage system |
| CN212742815U (en) * | 2020-06-23 | 2021-03-19 | 广东鼎顺建设工程有限公司 | A block dirty device of decontaminating for road receipts mouth of a river |
| CN214005817U (en) * | 2020-11-18 | 2021-08-20 | 深圳市恒利建筑工程有限公司 | Sponge city flood discharge system |
| CN214833279U (en) * | 2021-02-07 | 2021-11-23 | 山东港基景华市政园林有限公司 | Gardens drainage device |
| CN218028036U (en) * | 2022-08-01 | 2022-12-13 | 江苏城归设计有限公司 | Sponge urban road |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04202927A (en) * | 1990-11-29 | 1992-07-23 | Sugiaki Kusatake | Cover for roadway drainage canal |
| KR200378313Y1 (en) * | 2004-12-20 | 2005-03-14 | 채경희 | Apparatus for processing contaminants in road surface drainage of road drain facilities |
| CN209114274U (en) * | 2018-11-10 | 2019-07-16 | 深圳华创建筑装饰股份有限公司 | A kind of town road drainage system |
| CN212742815U (en) * | 2020-06-23 | 2021-03-19 | 广东鼎顺建设工程有限公司 | A block dirty device of decontaminating for road receipts mouth of a river |
| CN214005817U (en) * | 2020-11-18 | 2021-08-20 | 深圳市恒利建筑工程有限公司 | Sponge city flood discharge system |
| CN214833279U (en) * | 2021-02-07 | 2021-11-23 | 山东港基景华市政园林有限公司 | Gardens drainage device |
| CN218028036U (en) * | 2022-08-01 | 2022-12-13 | 江苏城归设计有限公司 | Sponge urban road |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210421340U (en) | Prevent blockking up municipal drainage pipe structure | |
| CN215406437U (en) | Municipal administration road drainage structure | |
| CN214657539U (en) | Municipal administration road drainage desilting system | |
| CN108951831B (en) | Propeller type mouth discharging and sewage intercepting device | |
| CN213173331U (en) | Bridge building prevents blockking up water drainage tank | |
| CN116397750B (en) | Rainwater inlet sewage interception and purification device based on sponge city | |
| CN209975674U (en) | Anti-blocking drainage pipeline | |
| CN116397750A (en) | Rainwater inlet sewage interception and purification device based on sponge city | |
| CN116537338A (en) | Water logging drainage structures is prevented with road to water conservancy design | |
| CN215669989U (en) | Integrated self-adjusting urban rainwater port sewage interception and initial rainwater drainage device | |
| CN218264174U (en) | Prevent stifled fixed point monitoring case suitable for municipal administration pipeline | |
| CN213805773U (en) | Water collecting device of residential area sponge facility | |
| CN214272348U (en) | Gutter inlet structure of environment-friendly for building | |
| CN208363241U (en) | A kind of anti-blocking water ditch structure easy to clean | |
| CN213174049U (en) | Drainage system who possesses quick water conservancy diversion of rainwater | |
| CN211547878U (en) | Rainwater collecting and treating system | |
| CN202370081U (en) | Rainwater collecting well for filtering and collecting foreign matter | |
| CN216948673U (en) | Self-cleaning type anti-blocking catch basin | |
| CN207620076U (en) | A kind of flood detention prevention waterlogging water storage purification drainage system | |
| CN220644509U (en) | Sponge urban rainwater oozes and holds water purification drainage underdrain | |
| CN106480974B (en) | The storage pond of the preposition box separator of mesh | |
| CN220666092U (en) | Hydraulic engineering drainage device | |
| CN217870831U (en) | Be used for rainwater drainage device | |
| CN220888889U (en) | Easy-maintenance environment-friendly water inlet with dirt intercepting function | |
| CN210767159U (en) | Gutter inlet mud filtering and collecting 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 | ||
| GR01 | Patent grant |