CN111851591B - Can prevent that municipal administration sewage well lid that stink is wafted - Google Patents

Can prevent that municipal administration sewage well lid that stink is wafted Download PDF

Info

Publication number
CN111851591B
CN111851591B CN202010792177.5A CN202010792177A CN111851591B CN 111851591 B CN111851591 B CN 111851591B CN 202010792177 A CN202010792177 A CN 202010792177A CN 111851591 B CN111851591 B CN 111851591B
Authority
CN
China
Prior art keywords
odor
well lid
frame
fixedly arranged
cylinder body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010792177.5A
Other languages
Chinese (zh)
Other versions
CN111851591A (en
Inventor
高崇飞
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.)
Cangzhou Baizhen Communication Technology Co ltd
Original Assignee
Cangzhou Baizhen Communication Technology 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 Cangzhou Baizhen Communication Technology Co ltd filed Critical Cangzhou Baizhen Communication Technology Co ltd
Priority to CN202010792177.5A priority Critical patent/CN111851591B/en
Publication of CN111851591A publication Critical patent/CN111851591A/en
Application granted granted Critical
Publication of CN111851591B publication Critical patent/CN111851591B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/06Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06Gully gratings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/90Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)

Abstract

The invention discloses a municipal sewage well lid capable of preventing odor from drifting, relates to the technical field of municipal engineering, and solves the problem that the existing municipal well lid does not have the function of preventing odor of a sewer from drifting, so that gas in the sewer easily flows upwards through the well lid to cause adverse effects on urban air quality and citizen health. A municipal sewage well cover capable of preventing odor from drifting comprises a well cover base, a four-hole well cover, a mounting frame, an odor isolation assembly and the like; four hole well lid movable installations are in the side of well lid base, mounting bracket fixed mounting is in the another side of well lid base, the subassembly is kept apart to the smell is installed on the well lid base. According to the invention, through the cooperation of the odor isolation component, the odor extraction component and the odor adsorption component, not only can impurities carried in water be prevented from entering the sewer, but also the odorous gas in the sewer can be blocked below the well cover, and the odorous gas is prevented from flowing out of the sewer.

Description

Can prevent that municipal administration sewage well lid that stink is wafted
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a municipal sewage well lid capable of preventing odor from dispersing.
Background
Municipal manhole covers are closely related to the work and life of citizens as part of urban road municipal facilities, and along with the continuous increase of the hardened area of urban roads, the number of manhole covers on the roads is more and more. Municipal manhole cover quality and functionality can affect the travel of citizens to a great extent, as well as the impression and attitude of citizens to a city.
Most of the existing municipal manhole covers only pay attention to the problems of sound prevention, jumping prevention, theft prevention, falling prevention, displacement prevention and the like during manufacturing, but neglect the problem that whether the municipal manhole covers can prevent stink gas in a sewer from floating upwards or not, and lead to the fact that the existing municipal manhole covers basically do not have a deodorizing function, so that the stink gas in the sewer can be rushed upwards when the sewer is blocked, the life and health of citizens can be influenced, and the burden can be caused to the air quality of a city. Therefore, it is highly desirable to design a municipal manhole cover that improves on the basis of the original municipal manhole cover so that the municipal manhole cover has a deodorization function, thereby reducing the adverse effect of sewer odor on city air and the health of citizens and preventing the municipal sewer manhole cover from odor scattering.
Disclosure of Invention
The invention aims to provide a municipal sewage well cover which can block odor gas in a sewer, discharge the odor gas into water, effectively prevent the odor gas from upwelling, and prevent odor from scattering, and has more functionality and practicability, so as to solve the problems in the background technology.
The technical scheme of the invention is as follows: the utility model provides a can prevent that municipal administration sewage well lid that stink drifted away, takes out from subassembly and smell adsorption component including well lid base, four-hole well lid, mounting bracket, smell isolation component, smell, four-hole well lid movable install the side at the well lid base, mounting bracket fixed mounting is in the another side of well lid base, the smell isolation component mounting is on the well lid base, the smell is taken out from the unit mount on the mounting bracket, the smell adsorption component mounting is taken out from the subassembly on the smell.
Further, the smell isolation assembly comprises a supporting plate, a filter screen frame and a silica gel conical sleeve, two symmetrical bar-shaped grooves are formed in the well lid base, the supporting plate is movably mounted in the bar-shaped grooves, the filter screen frame is fixedly mounted on one side face of the two supporting plates, and the silica gel conical sleeve is fixedly mounted on one side face of the filter screen frame.
Further, the smell extraction component comprises a cylinder body, a piston plate, push rods, a reset spring, a transmission shaft, a water wheel, a push plate, an air inlet pipe, an air extraction frame, an exhaust pipe and a connecting frame, wherein the cylinder body is fixedly arranged on one side surface of the mounting frame, the piston plate is slidably arranged in the cylinder body, a plurality of push rods are fixedly arranged on one side surface of the piston plate, the reset spring is arranged between one side surface of the piston plate and one side surface of the top of the cylinder body, the connecting frame is fixedly arranged on the cylinder body, the transmission shaft is arranged on the connecting frame through a bearing, the water wheel is fixedly arranged at one end of the transmission shaft, the push plate is fixedly arranged at the other end of the transmission shaft and is provided with a convex block on the push plate, the convex block on the push plate can be contacted with the push rods, the air inlet pipe is fixedly arranged on the mounting frame and is communicated with the cylinder body, the air extraction frame is fixedly arranged on the air inlet pipe and is communicated with the air inlet pipe, the exhaust frame is provided with an exhaust hole, the exhaust pipe is fixedly arranged on one side surface of the cylinder body and communicated with the cylinder body, and the intake pipe and the exhaust pipe are internally provided with one-way valves.
Further, smell adsorption component installs on the slurcam, smell adsorption component includes connecting axle, mounting disc and activated carbon plate, connecting axle fixed mounting just runs through intake pipe and frame of taking out the gas in a side of slurcam, mounting disc fixed mounting is in the one end of connecting axle, a side fixed mounting of mounting disc has a plurality of activated carbon plates.
Further, the four-hole well cover is characterized by further comprising brush sleeves, wherein four round holes are formed in the four-hole well cover, and the brush sleeves are arranged in the four round holes.
The invention has the beneficial effects that:
firstly, impurities carried in water can be filtered through the filter screen frame, the sewer is prevented from being blocked by the impurities, accumulated water on a road can conveniently flow into the sewer, and gas in the sewer can be prevented from being discharged outwards through the silica gel conical sleeve.
In the invention, the push plate and the push rod work in a matched manner to drive the piston plate to reciprocate up and down, so that the air pumping frame can pump the odor in the sewer into the cylinder body, and then the odor is discharged into water through the exhaust pipe, and the accumulation of the odor at the bottom of the well cover can be reduced.
Thirdly, residual odorous gas in the sewer is adsorbed and filtered through the three activated carbon plates, so that the concentration of the odorous gas in the sewer can be reduced better, and a better odor lightening effect can be achieved.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a third perspective view of the present invention.
FIG. 4 is a schematic view of a first partial body structure according to the present invention.
Fig. 5 is a schematic diagram of a second partial body structure according to the present invention.
Fig. 6 is a perspective view of a third embodiment of the present invention.
Fig. 7 is a perspective view of a fourth embodiment of the present invention.
Fig. 8 is a schematic view of a first three-dimensional structure of the silica gel taper sleeve of the present invention.
Fig. 9 is a schematic perspective view of a second silicone conical sleeve according to the present invention.
Fig. 10 is a partial perspective view of the odor extraction assembly of the present invention.
Reference numerals: 1 well lid base, 2 four hole well lids, 3 mounting brackets, 4 smell isolation component, 401 bar groove, 402 backup pad, 403 filter screen frame, 404 silica gel taper sleeve, 5 smell extraction component, 501 cylinder body, 502 piston plate, 503 push rod, 504 reset spring, 505 transmission shaft, 506 water wheels, 507 pushing plate, 508 intake pipe, 509 exhaust frame, 5010 blast pipe, 5011 link, 6 smell adsorption component, 601 connecting axle, 602 mounting disc, 603 activated carbon plate, 7 brush cover.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example 1
The utility model provides a municipal administration sewage well lid that can prevent stink from drifting, as shown in fig. 1-8, take out subassembly 5 and smell adsorption component 6 including well lid base 1, four-hole well lid 2, mounting bracket 3, smell isolation component 4, smell, be used for taking the movable side of installing at well lid base 1 of four-hole well lid 2 that plays the guard action to citizen's trip safety, mounting bracket 3 fixed mounting is in the bottom side of well lid base 1, be used for keeping apart subassembly 4 with the smell of stink gas separation in the sewer and install on well lid base 1, the smell that is used for discharging into the aquatic with the stink gas in the sewer is taken out subassembly 5 and is installed on mounting bracket 3, the smell adsorption component 6 that is used for reducing the interior stink gas concentration of sewer is installed on the smell is taken out subassembly 5.
Further explain, smell isolation component 4 includes backup pad 402, filter screen frame 403 and silica gel toper cover 404, the bar groove 401 of bisymmetry has been seted up in the well lid base 1, two the backup pad 402 is all movably installed to the bar inslot 401, a filter screen frame 403 fixed mounting that is used for filtering aquatic impurity just is located well lid base 1 in the bottom side of two backup pads 402, silica gel toper cover 404 fixed mounting is in the bottom side of filter screen frame 403, silica gel toper cover 404 can make in ponding discharges the sewer, can prevent again that the foul gas in the sewer from upwards discharging.
A worker installs the well lid base 1 to a sewer, water on the ground can enter the well lid base 1 through round holes in the four-hole well lid 2 in rainy days, impurities carried in the water are filtered in the filter screen frame 403, the sewer is prevented from being blocked by some larger impurities, the filtered water can flow into the silica gel conical sleeve 404, the bottom of the silica gel conical sleeve 404 can be propped open under the action of the gravity of the water, and at the moment, the water in the silica gel conical sleeve 404 can flow into the sewer; after all water enters the sewer, the bottom of the silica gel conical sleeve 404 can be automatically closed under the elastic action, so that the smell in the sewer can be prevented from flowing out through the silica gel conical sleeve 404, and the odorous gas can be blocked in the sewer. When stopping on filter screen frame 403 and having more impurity, in can in time flowing into the sewer for ponding on the road, the maintenance workman can dismantle four hole well lid 2 from well lid base 1, and stimulate two backup pads 402 rebound, two backup pads 402 can drive filter screen frame 403 and silica gel taper sleeve 404 rebound, then the maintenance workman can clear up the impurity on the filter screen frame 403, put into well lid base 1 with backup pad 402 after clearing up, filter screen frame 403 and silica gel taper sleeve 404, again with four hole well lid 2 install can.
Example 2
On the basis of embodiment 1, as shown in fig. 5 to 7, the odor extraction assembly 5 includes a cylinder body 501, a piston plate 502, push rods 503, a return spring 504, a transmission shaft 505, a water wheel 506, a push plate 507, an air inlet pipe 508, an air extraction frame 509, an exhaust pipe 5010 and a connecting frame 5011, wherein the cylinder body 501 is fixedly installed on the bottom side surface of the mounting frame 3, the piston plate 502 is slidably installed in the cylinder body 501, three push rods 503 are fixedly installed on the bottom side surface of the piston plate 502, the return spring 504 is installed between the upper side surface of the piston plate 502 and the bottom side surface of the top of the cylinder body 501, the connecting frame 5011 is fixedly installed on the cylinder body 501 and located below the mounting frame 3, the transmission shaft 505 is installed on the connecting frame 5011 through a bearing, the water wheel 506 is fixedly installed at the lower end of the transmission shaft 505, the water wheel 506 can drive the transmission shaft 505 to rotate by using water flow in a sewer, push plate 507 fixed mounting is provided with the lug on the upper end of transmission shaft 505 and push plate 507, lug on the push plate 507 can contact with push rod 503, intake pipe 508 fixed mounting is on mounting bracket 3 and with cylinder body 501 intercommunication, a rack 509 fixed mounting that bleeds for with the odorous gas of well lid below to the cylinder body 501 on intake pipe 508 and with intake pipe 508 intercommunication, the aspirating hole has been seted up on the rack 509 of bleeding, a blast pipe 5010 fixed mounting that is used for discharging the odorous gas in the cylinder body 501 to the aquatic just communicates with cylinder body 501 in a side of cylinder body 501, all install the check valve in intake pipe 508 and blast pipe 5010.
Water flowing in the sewer can drive the water wheel 506 to rotate, the water wheel 506 can drive the transmission shaft 505 and the pushing plate 507 to rotate, when a lug on the pushing plate 507 is contacted with the pushing rod 503, the pushing rod 503 can extrude the pushing rod 503 to move upwards, and the pushing rod 503 can drive the piston plate 502 to move upwards; when the convex block on the pushing plate 507 is not in contact with the pushing rod 503, the return spring 504 drives the piston plate 502 and the pushing rod 503 to move downwards for returning, the piston plate 502 moves up and down in the cylinder body 501, so that the air pumping frame 509 can pump the odorous gas at the upper part in the water channel into the cylinder body 501 through the air inlet pipe 508, the odorous gas entering the cylinder body 501 can be discharged into the water through the exhaust pipe 5010, and therefore the odor in the sewer can be prevented from rising upwards to be gathered at the bottom of the silica gel conical sleeve 404.
Example 3
On the basis of embodiment 2, as shown in fig. 5 and 7, the odor adsorption component 6 is installed on the push plate 507, the odor adsorption component 6 includes a connecting shaft 601, a mounting disc 602 and an activated carbon plate 603, the connecting shaft 601 is fixedly installed on the upper side surface of the push plate 507 and penetrates through the air inlet pipe 508 and the air exhaust frame 509, the mounting disc 602 is fixedly installed on the upper end of the connecting shaft 601 and is located at the lower end of the silica gel taper sleeve 404, three activated carbon plates 603 are fixedly installed on the upper side surface of the mounting disc 602, and the activated carbon plates 603 are used for adsorbing air around the bottom of the silica gel taper sleeve 404.
The catch bar 507 can drive connecting axle 601 and mounting disc 602 and rotate, and mounting disc 602 can drive activated carbon plate 603 and rotate to can play filtration and absorbent effect to the odorous gas in the sewer, can effectively reduce the stink concentration of air in the sewer, and then can reduce the injury that the workman stink gas caused the human body when clearance or change well lid.
Further explaining, still including brush cover 7, four round holes and four round holes all are provided with brush cover 7 on four hole well lids 2.
The effect of brush cover 7 lies in stopping some hair class impurity that carry in aqueous on four hole well lid 2, prevents that it from entering into the condition that causes the jam to filter screen frame 403 in the well lid base 1, also makes things convenient for the environmental protection workman to clear up four hole well lid 2 simultaneously.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that various changes, modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, and all are intended to be included within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (1)

1. The utility model provides a can prevent that municipal administration sewage well lid that stink is wafted which characterized in that: the four-hole well cover is movably mounted on one side face of the well cover base, the mounting frame is fixedly mounted on the other side face of the well cover base, the odor isolation component is mounted on the well cover base, the odor extraction component is mounted on the mounting frame, and the odor adsorption component is mounted on the odor extraction component;
the odor isolation assembly comprises supporting plates, a filter screen frame and a silica gel conical sleeve, two symmetrical strip-shaped grooves are formed in the well lid base, the supporting plates are movably mounted in the two strip-shaped grooves, the filter screen frame is fixedly mounted on one side surface of the two supporting plates, and the silica gel conical sleeve is fixedly mounted on one side surface of the filter screen frame;
the smell extraction component comprises a cylinder body, a piston plate, push rods, a reset spring, a transmission shaft, a water wheel, a push plate, an air inlet pipe, an air extraction frame, an exhaust pipe and a connecting frame, wherein the cylinder body is fixedly arranged on one side surface of a mounting frame, the piston plate is slidably arranged in the cylinder body, a plurality of push rods are fixedly arranged on one side surface of the piston plate, the reset spring is arranged between one side surface of the piston plate and one side surface of the top of the cylinder body, the connecting frame is fixedly arranged on the cylinder body, the transmission shaft is arranged on the connecting frame through a bearing, the water wheel is fixedly arranged at one end of the transmission shaft, the push plate is fixedly arranged at the other end of the transmission shaft and is provided with a convex block, the convex block on the push plate can be contacted with the push rods, the air inlet pipe is fixedly arranged on the mounting frame and is communicated with the cylinder body, the air extraction frame is fixedly arranged on the air inlet pipe and is communicated with the air inlet pipe, the exhaust frame is provided with an exhaust hole, the exhaust pipe is fixedly arranged on one side surface of the cylinder body and communicated with the cylinder body, and the air inlet pipe and the exhaust pipe are internally provided with one-way valves;
the odor adsorption component is arranged on the pushing plate and comprises a connecting shaft, a mounting disc and a plurality of activated carbon plates, the connecting shaft is fixedly arranged on one side face of the pushing plate and penetrates through the air inlet pipe and the air exhaust frame, the mounting disc is fixedly arranged at one end of the connecting shaft, and the activated carbon plates are fixedly arranged on one side face of the mounting disc;
the four-hole manhole cover is characterized by further comprising a brush sleeve, wherein four round holes are formed in the four-hole manhole cover, and the brush sleeve is arranged in each of the four round holes.
CN202010792177.5A 2020-08-08 2020-08-08 Can prevent that municipal administration sewage well lid that stink is wafted Active CN111851591B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010792177.5A CN111851591B (en) 2020-08-08 2020-08-08 Can prevent that municipal administration sewage well lid that stink is wafted

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010792177.5A CN111851591B (en) 2020-08-08 2020-08-08 Can prevent that municipal administration sewage well lid that stink is wafted

Publications (2)

Publication Number Publication Date
CN111851591A CN111851591A (en) 2020-10-30
CN111851591B true CN111851591B (en) 2022-05-06

Family

ID=72972317

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010792177.5A Active CN111851591B (en) 2020-08-08 2020-08-08 Can prevent that municipal administration sewage well lid that stink is wafted

Country Status (1)

Country Link
CN (1) CN111851591B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112431295B (en) * 2020-11-25 2022-03-25 浙江恒炜建设集团有限公司 Spiral municipal drainage is with preventing stifled inspection shaft lid
CN112878377B (en) * 2021-03-05 2022-12-06 晋城市科裕达铸造有限公司 Municipal administration is with sewer well lid that prevents sewer stink and distribute
CN114775693B (en) * 2022-06-21 2022-10-11 江苏华昇新材料科技有限公司 Quick-assembly inspection well combined mechanism made of SMC/BMC

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100980339B1 (en) * 2009-06-05 2010-09-06 유정수 Apparatus for preventing ill-smelling of a drainage
CN205259331U (en) * 2015-11-20 2016-05-25 福州科美节能科技有限公司 Linear floor drain of multichannel
CN206823513U (en) * 2017-06-19 2018-01-02 江西太赫兹科技有限公司 A kind of house refuse terminal deodorization ozono lysis apparatus
CN107954539A (en) * 2017-11-09 2018-04-24 孙斌 A kind of rural sewage extracts processing equipment
CN111350262A (en) * 2020-03-23 2020-06-30 中电建生态环境集团有限公司 Environment-friendly inlet for stom water

Also Published As

Publication number Publication date
CN111851591A (en) 2020-10-30

Similar Documents

Publication Publication Date Title
CN111851591B (en) Can prevent that municipal administration sewage well lid that stink is wafted
CN100588448C (en) Process for the purification of compressed air and cartridge therefore
CN208293489U (en) A kind of road guard and town road
KR100802335B1 (en) Purification apparatus for rainfall used a bridge
CN109942046B (en) Array type orange-based activated carbon deodorization decontamination equipment
CN101255712A (en) Odorless street drainage device
KR100590468B1 (en) Rainwater purification system of bridge
CN109028317B (en) Air purifying device capable of increasing air fragrance
CN112403099B (en) Activated carbon impurity removal equipment for filtering wastewater
CN105757812B (en) Wet type air adsorption cleaning chlorination equipment and method
CN112047505A (en) Decontamination equipment for municipal drainage pipeline port
CN113233671A (en) A environmental protection water purification unit for industrial production
CN210320390U (en) Indoor air filtering device
CN209588239U (en) A kind of indoor air-purification device
CN208595683U (en) A kind of clarifier with detachable strainer
CN208704052U (en) A kind of dust protected air purifier
KR101632919B1 (en) Waterspout with preventing function an odious smell and water purifying function
CN201236372Y (en) Anti-foul floor drain with improved structure
CN215367669U (en) Municipal non-point source pollutant filtering floor drain
CN209837230U (en) Drainage system for highway
CN110947236B (en) Sewage treatment device convenient to separate sewage sundries
CN215892673U (en) Intelligent auxiliary heating type air cleaning device
KR100455923B1 (en) Polypropylen Air Filter
CN217782289U (en) Drainage structures for road
CN214460807U (en) Concave greenbelt of town road receives water purifier

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
TA01 Transfer of patent application right

Effective date of registration: 20220421

Address after: Hejian Economic Development Zone, Hebei Province (240655)

Applicant after: Cangzhou Baizhen Communication Technology Co.,Ltd.

Address before: 510000 room a285, room 1409, No. 365, Huangpu Avenue West, Tianhe District, Guangzhou City, Guangdong Province

Applicant before: Gao Chongfei

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant