CN107806165A - A kind of device for dragging dregs with baffle plate - Google Patents

A kind of device for dragging dregs with baffle plate Download PDF

Info

Publication number
CN107806165A
CN107806165A CN201710917427.1A CN201710917427A CN107806165A CN 107806165 A CN107806165 A CN 107806165A CN 201710917427 A CN201710917427 A CN 201710917427A CN 107806165 A CN107806165 A CN 107806165A
Authority
CN
China
Prior art keywords
screen frame
dragging
well
dragging dregs
filter screen
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.)
Withdrawn
Application number
CN201710917427.1A
Other languages
Chinese (zh)
Inventor
雷明
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.)
Wuhan Shengyu Drainage Systems Co Ltd
Original Assignee
Wuhan Shengyu Drainage Systems 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 Wuhan Shengyu Drainage Systems Co Ltd filed Critical Wuhan Shengyu Drainage Systems Co Ltd
Priority to CN201710917427.1A priority Critical patent/CN107806165A/en
Publication of CN107806165A publication Critical patent/CN107806165A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

Abstract

The present invention provides a kind of device for dragging dregs, including drags for slag filter screen, screen frame, two guide rails and baffle plate be arrangeding in parallel;The slag filter screen that drags for is connected with the screen frame;The screen frame is arranged between two guide rails be arrangeding in parallel, and two side frames of the screen frame are slidably connected with guide rail respectively;The baffle plate setting is dragging for the upstream end of slag filter screen, also, the bottom face of baffle plate is located between the upper and lower side frame of screen frame.By setting the device for dragging dregs of the present invention in abandoned stream well, shunting well or Vatch basin, the pollutant in sewage can be effectively intercepted, simultaneously because the presence of baffle plate, collects floating object without artificial, save manpower;The present apparatus elevates the pollutant intercepted by lifting device in the lump, and pollutant is carried out into collection and uniform disposal, effectively prevent the blocking of abandoned stream well, shunting well or Vatch basin and the pollution of natural water.

Description

A kind of device for dragging dregs with baffle plate
Technical field
The invention belongs to drainage system technical field, and in particular to a kind of device for dragging dregs with baffle plate.
Background technology
In China's sewerage system, sewage network water level remains high for a long time, causes floating pollutants in abandoned stream well Sewage treatment plant is cannot be introduced into, with the accumulation of floating pollutants in well, makes to produce unpleasant and toxic gas in abandoned stream well, influences Surrounding enviroment.Therefore, it is necessary to which device for dragging dregs pollutes to intercept the floating object carried in rainwater and sewage, precipitum and suspension etc. Thing, when rainwater and the sewage is passed through device for dragging dregs, a large amount of pollutants are intercepted so that into each processing equipment of drainage system Rainwater and sewage are more clean, are effectively prevented from the Peculiar Smell of abandoned stream well, it is possibility to have prevent blocking to effect.
It is generally necessary to device for dragging dregs can effectively intercept the floating object carried in rainwater and sewage, precipitum and suspension etc. Pollutant, but device for dragging dregs of the prior art generally can preferably intercept part pollutant, and whole pollutions can not be intercepted Thing.For example, disclosing the dirty well of environmental protection section for small and medium river channel in document CN205024817U, it passes through in well body inwall position A security fence for being available for floating object to pass through is provided with cutting at dirty mouth, security fence is located at the one debris string bag of connection in well body;It is miscellaneous The thing string bag can catch the floating object in access wall, and safe barrier can avoid bulky objects from passing through.As can be seen here, provided in document Although device for dragging dregs can intercept floating object, the interception for large volume precipitum be not it is very good, still exist block Effect is cut to decline, block the problem of drainage equipment.
As the construction of drainage pipeline networks in China city is more and more perfect, can be achieved effectively to intercept there is an urgent need to one kind The device for dragging dregs of all contaminants such as the floating object, precipitum and the suspension that are carried in rainwater and sewage.
The content of the invention
To solve the above problems, the present invention provides a kind of device for dragging dregs, it is filtered by the slag that drags for being arranged in screen frame Net has effectively intercepted precipitum and suspension in rainwater and sewage.
The present invention provides following technical scheme:
A kind of device for dragging dregs, the device for dragging dregs include dragging for slag filter screen, screen frame, two guide rails and gear be arrangeding in parallel Plate;
The slag filter screen that drags for is connected with the screen frame;
The screen frame is arranged between two guide rails be arrangeding in parallel, two side frames of the screen frame respectively with Guide rail is slidably connected;
The baffle plate setting is dragging for the upstream end of slag filter screen, also, the bottom face of baffle plate is located at the upper following of screen frame Between frame.
According to the present invention, the screen frame includes housing and inside casing, and the peace of circumference is formed between the housing and inside casing Fill area;The opening for dragging for slag filter screen is installed in the installing zone.
According to the present invention, the installing zone that the housing is formed with the inside casing is U-type groove, described to drag for opening for slag filter screen Frenulum is equipped with mouthful, the frenulum can be tightened up in the U-type groove.
According to the present invention, the housing and the inside casing clamping, and the opening for dragging for slag filter screen is located in outside described In installing zone between frame and the inside casing.
According to the present invention, the inside casing is included with the inside edge of clamping on the inside of the housing and positioned at the housing side wall Outer edge.
According to the present invention, the outer edge is bolted to connection with the housing side wall, for fixed positioned at described Slag filter screen is dragged for described between outer edge and the housing side wall.
According to the present invention, the screen frame includes several housings and inside casing, and all housings be set up in parallel for Integrative-structure.
According to the present invention, the screen frame including several housings and inside casing can install several and drag for slag filter screen.
According to the present invention, the both sides of the screen frame are provided with sliding block and pulley, the sliding block and pulley and the guide rail It is slidably connected.
According to the present invention, the baffle plate is fixed dam, and the both sides of the fixed dam are fixed on abandoned stream well or shunting well Or on the borehole wall of Vatch basin.
Preferably, the fixed dam is parallel with plane determined by the closed slide, and with the closed slide The distance between identified plane L meets following relational expressions:
L >=S/D,
Wherein, S is the sectional area of abandoned stream well or the water inlet pipe of shunting well or Vatch basin, and D is abandoned stream well or shunting well or cut Flow the width of well.
According to the present invention, the baffle plate is floating barrier, and the guide rail is double guide rails, a wherein guide rail for double guide rails It is oriented to for screen frame, another guide rail of double guide rails is oriented to for floating barrier.
Wherein, a side rails of two side frames of the screen frame respectively with double guide rails are flexibly connected.
Wherein, the bottom for the guide rail that double guide rails are connected with screen frame and the abandoned stream well or shunting well or dam The bottom contact of well.
Wherein, another guide rail of double guide rails is flexibly connected with the floating barrier.
Wherein, the bottom for the guide rail that double guide rails are connected with floating barrier is less than the upper ledge 50- of screen frame 150mm, preferably 100mm.
According to the present invention, the water (flow) direction is vertical with plane determined by described two guide rails be arrangeding in parallel.
According to the present invention, the device for dragging dregs also includes lifting device, and the lifting device is located at the screen frame Top, and be connected with the screen frame.
According to the present invention, the lifting device includes lifting rope, pulley mechanism and pull unit, one end of the lifting rope and institute Screen frame connection is stated, the other end of the lifting rope is connected by pulley mechanism with pull unit.
According to the present invention, the pull unit is achieved in that manually or electrically.
According to the present invention, the height of the upper ledge of the screen frame is depending on the height of the water surface, it is desirable to higher than normal water The height 300-500mm in face.
According to the present invention, the device for dragging dregs can also include oil absorbent material and screen frame;The oil absorbent material is placed in screen frame, institute Screen frame is stated by hinge with screen frame upper end to be connected.
According to the present invention, the oil absorbent material can use lipophile superfine fibre adhesive-bonded fabric or other arbitrarily can be with oil suction Material.
According to the present invention, the bottom of the screen frame is provided with the supporting plate extended along water (flow) direction, described to drag for slag filter screen Part is located at least in supporting plate.
The present invention also provides following technical scheme:
A kind of shunting well or abandoned stream well or Vatch basin, it includes shunting well or abandoned stream well or Vatch basin well body and is arranged at institute State the above-mentioned device for dragging dregs in well body.By setting above-mentioned device for dragging dregs in well body, can effectively intercept in sewage compared with Big particle diameter pollutant (floating object, suspension and precipitum) and greasy dirt etc., ensure the unimpeded of pipeline and upstream device.
Beneficial effects of the present invention:
Device for dragging dregs provided by the invention, its by the screen frame in device and drag for slag filter screen effectively intercepted rainwater and Precipitum and suspension in sewage, also effectively intercepted in rainwater and sewage by setting baffle plate in the upstream end for dragging for slag filter screen Different water levels floating pollutants, and floating barrier can with water level rise and raise, do not interfere with flood passage.Final realization pair Effective interception of all contaminants such as floating object, precipitum and suspension in rainwater and sewage.
By setting the device for dragging dregs of the present invention in abandoned stream well, shunting well or Vatch basin, effectively can intercept in sewage Pollutant, simultaneously because the presence of baffle plate, collects floating object without artificial, save manpower;The dirt that the present apparatus will intercept Dye thing is elevated by lifting device in the lump, and pollutant is carried out into collection and uniform disposal, effectively prevent abandoned stream well, shunting well Or the blocking of Vatch basin and the pollution of natural water.
Brief description of the drawings
Fig. 1 is the schematic diagram that the device for dragging dregs of the present invention is arranged in abandoned stream well or shunting well or Vatch basin.
Fig. 2 is the device for dragging dregs schematic diagram of the present invention;
Wherein, a is the front view of device for dragging dregs;B is the left view of device for dragging dregs;C is the top view of device for dragging dregs;
Fig. 3 is the structural representation that the screen frame of the present invention is connected with guide rail;
Wherein, 1 is floating barrier, and 2 is drag for slag filter screen, and 3 be screen frame, and 4 be lifting device, and 5 be guide rail, and 6 be water inlet Mouthful, 7 be delivery port, and 8 be current, and 9 be precipitum and suspension, and 10 be floating object, and 11 be oil absorbent material, and 12 be hinge, and 13 be net Frame, 14 be housing, and 15 be inside casing, and 16 be bolt.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention Rather than limit the scope of the invention.Furthermore, it is to be understood that after content disclosed in this invention has been read, ability Field technique personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the protection that the present invention is limited Within the scope of.
Embodiment 1
Device for dragging dregs with floating barrier 1 as shown in Figure 1, the device for dragging dregs are arranged in shunting well, play and block Cut the effect of greater particle size pollutant in sewage.Including dragging for, slag filter screen 2, screen frame 3 are parallel with two to be set the device for dragging dregs The guide rail 5 put;
The screen frame 3 includes housing 14 and inside casing 15, and the installation of circumference is formed between the housing 14 and inside casing 15 Area;The housing 14 and the clamping of inside casing 15, and the opening for dragging for slag filter screen 2 be located in the housing 14 with it is described interior In installing zone between frame 15.The screen frame 3 is arranged between two guide rails be arrangeding in parallel 5, the both sides of screen frame 3 Provided with sliding block and pulley, the sliding block and pulley are slidably connected with the guide rail 5.
Wherein, the inside casing 15 is included with the inside edge of the inner side clamping of housing 14 and positioned at the side wall of housing 14 Outer edge.
Wherein, the outer edge is fixedly connected with the side wall of the housing 14 by bolt 16, for fixed positioned at described Slag filter screen 2 is dragged for described between outer edge and the side wall of the housing 14.
Wherein, the direction of current 8 is vertical with plane determined by described two guide rails 5 be arrangeding in parallel.
Wherein, the device for dragging dregs also includes floating barrier 1, and the floating barrier 1 is arranged on the upstream for dragging for slag filter screen 2 Place, also, the bottom face of floating barrier 1 is located between the upper and lower side frame of screen frame 3.
Wherein, the guide rail 5 is double guide rails, and a wherein guide rail for double guide rails is oriented to for screen frame 3, and described pair is led Another guide rail of rail is that floating barrier 1 is oriented to.
Wherein, a side rails of two side frames of the screen frame 3 respectively with double guide rails are flexibly connected.
Wherein, the bottom for the guide rail that double guide rails are connected with screen frame 3 contacts with the bottom of the shunting well.
Wherein, another guide rail of double guide rails is flexibly connected with the floating barrier 1.
Wherein, the bottom for the guide rail that double guide rails are connected with floating barrier 1 is less than the upper ledge 50- of screen frame 3 150mm, preferably 100mm.
Wherein, the device for dragging dregs also includes lifting device 4, and the lifting device 4 is located at the upper of the screen frame 3 Portion, and be connected with the screen frame 3.
Wherein, the lifting device 4 includes lifting rope, pulley mechanism and pull unit, one end of the lifting rope and the filter Screen frame frame 3 is connected, and the other end of the lifting rope is connected by pulley mechanism with pull unit.
Wherein, the pull unit is achieved in that manually or electrically.
Wherein, the lifting device 4 has auto-lock function, i.e. screen frame 3 will not decline because of Gravitative Loads.
Wherein, the height of the upper ledge of the screen frame 3 is depending on the height of the water surface, it is desirable to higher than the height of Normal Water Surface Spend 300-500mm.
Wherein, the device for dragging dregs can also include oil absorbent material 11 and screen frame 13;The oil absorbent material 11 is placed in screen frame 13, The screen frame 13 is connected by hinge 12 with the upper end of screen frame 3.
Wherein, the oil absorbent material 11 can use lipophile superfine fibre adhesive-bonded fabric or other arbitrarily can be with the material of oil suction Material.
Wherein, the screen frame 3 can include several housings 14 and inside casing 15, and all housings 14 are set side by side Set as one structure, also, the screen frame 3 including several housings 14 and inside casing 15 can install several and drag for slag filter screen 2。
Wherein, the bottom of the screen frame 3 is provided with the supporting plate extended along water (flow) direction, described to drag for the part of slag filter screen 2 It is located at least in supporting plate.
Embodiment 2
The course of work of the device for dragging dregs with floating barrier being arranged in shunting well in embodiment 1 is as follows:
During fine day, wastewater level in shunting well is less than the height for dragging for slag filter screen upper ledge, the bulky grain pollutant in sewage The interception of slag filter screen can effectively be dragged for;
During rainfall, the rise of combined sewage water level in shunting well, after water level reach a certain height, floating barrier start with Water level rises and risen, and the sedimentation pollutant in combined sewage, suspended contaminant remain able to be dragged for the interception of slag filter screen, and floating is dirty Dye thing is intercepted by floating barrier, and after rain stops, water level reduces, and floating pollutants decline with water level decreasing, and water level is less than floating Floating pollutants are dragged for the interception of slag filter screen under hydraulic action after the minimum altitude of baffle plate.
After dragging in slag filter screen contaminant collecting to a certain extent, in the presence of lifting device, pollutant is proposed to shunt The frenulum of screen frame U-type groove is tied up to outside well, and before untiing, taking-up drags for slag filter screen, pollutant outwelled, then by after cleaning Drag for slag filter screen to be reinstalled in screen frame, be replaced in collect in shunting well by screen frame by lifting device and pollute Thing.
More than, embodiments of the present invention are illustrated.But the present invention is not limited to above-mentioned embodiment.It is all Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., it should be included in the guarantor of the present invention Within the scope of shield.

Claims (10)

  1. A kind of 1. device for dragging dregs, it is characterised in that the device for dragging dregs include drag for slag filter screen, screen frame, two be arranged in parallel Guide rail and baffle plate;
    The slag filter screen that drags for is connected with the screen frame;
    The screen frame is arranged between two guide rails be arrangeding in parallel, two side frames of the screen frame respectively with guide rail It is slidably connected;
    The baffle plate setting is dragging for the upstream end of slag filter screen, also, the bottom face of baffle plate be located at screen frame upper and lower side frame it Between.
  2. 2. device for dragging dregs according to claim 1, it is characterised in that the screen frame includes housing and inside casing, described Circumferential installing zone is formed between housing and inside casing;The opening for dragging for slag filter screen is installed in the installing zone.
  3. 3. device for dragging dregs according to claim 2, it is characterised in that the installation that the housing is formed with the inside casing Area is U-type groove, and the opening for dragging for slag filter screen is equipped with frenulum, and the frenulum can be tightened up in the U-type groove.
  4. 4. device for dragging dregs according to claim 2, it is characterised in that the housing and the inside casing clamping, and described drag for The opening of slag filter screen is located in the installing zone between the housing and the inside casing;
    Preferably, the inside casing includes and the inside edge of clamping on the inside of the housing and the outer edge positioned at the housing side wall;
    Preferably, the outer edge is bolted to connection with the housing side wall, for it is fixed positioned at the outer edge with Slag filter screen is dragged for described between the housing side wall.
  5. 5. according to the device for dragging dregs described in claim any one of 1-4, it is characterised in that the screen frame is included outside several Frame and inside casing, and all housings are set up in parallel and are structure as a whole;
    Preferably, the screen frame including several housings and inside casing can install several and drag for slag filter screen;
    Preferably, the both sides of the screen frame are provided with sliding block and pulley, and the sliding block and pulley are slidably connected with the guide rail.
  6. 6. according to the device for dragging dregs described in claim any one of 1-5, it is characterised in that the baffle plate is fixed dam, described The both sides of fixed dam are fixed on the borehole wall of abandoned stream well or shunting well or Vatch basin;
    Preferably, the fixed dam is parallel with plane determined by the closed slide, and with closed slide institute really The distance between fixed plane L meets following relational expressions:
    L >=S/D,
    Wherein, S is the sectional area of abandoned stream well or the water inlet pipe of shunting well or Vatch basin, and D is abandoned stream well or shunting well or Vatch basin Width.
  7. 7. according to the device for dragging dregs described in claim any one of 1-5, it is characterised in that the baffle plate is floating barrier, described Guide rail is double guide rails, and a wherein guide rail for double guide rails is oriented to for screen frame, and another guide rail of double guide rails is floating Baffle plate is oriented to;
    Preferably, a side rails of two side frames of the screen frame respectively with double guide rails are flexibly connected;
    Preferably, the bottom for the guide rail that double guide rails are connected with screen frame and the abandoned stream well or shunting well or Vatch basin Bottom contact;
    Preferably, another guide rail of double guide rails is flexibly connected with the floating barrier;
    Preferably, the bottom for the guide rail that double guide rails are connected with floating barrier is less than the upper ledge 50-150mm of screen frame, Preferably 100mm;
    Preferably, water (flow) direction is vertical with plane determined by described two guide rails be arrangeding in parallel.
  8. 8. according to the device for dragging dregs described in claim any one of 1-7, it is characterised in that the device for dragging dregs also includes lifting dress Put, the lifting device is located at the top of the screen frame, and is connected with the screen frame;
    Preferably, the lifting device includes lifting rope, pulley mechanism and pull unit, one end of the lifting rope and the filter screen frame Frame is connected, and the other end of the lifting rope is connected by pulley mechanism with pull unit;
    Preferably, the pull unit is achieved in that manually or electrically;
    Preferably, the height of the upper ledge of the screen frame is depending on the height of the water surface, it is desirable to higher than the height of Normal Water Surface 300-500mm。
  9. 9. according to the device for dragging dregs described in claim any one of 1-8, it is characterised in that the device for dragging dregs can also include inhaling Oily cotton and screen frame;The oil absorbent material is placed in screen frame, and the screen frame is connected by hinge with screen frame upper end;
    Preferably, the oil absorbent material can use lipophile superfine fibre adhesive-bonded fabric or other arbitrarily can be with the material of oil suction;
    Preferably, the bottom of the screen frame is provided with the supporting plate extended along water (flow) direction, described to drag for slag filter screen part at least In supporting plate.
  10. 10. a kind of shunting well or abandoned stream well or Vatch basin, including shunting well or abandoned stream well or Vatch basin well body and it is arranged at described The device for dragging dregs described in claim any one of 1-9 in well body.
CN201710917427.1A 2017-09-30 2017-09-30 A kind of device for dragging dregs with baffle plate Withdrawn CN107806165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710917427.1A CN107806165A (en) 2017-09-30 2017-09-30 A kind of device for dragging dregs with baffle plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710917427.1A CN107806165A (en) 2017-09-30 2017-09-30 A kind of device for dragging dregs with baffle plate

Publications (1)

Publication Number Publication Date
CN107806165A true CN107806165A (en) 2018-03-16

Family

ID=61583386

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710917427.1A Withdrawn CN107806165A (en) 2017-09-30 2017-09-30 A kind of device for dragging dregs with baffle plate

Country Status (1)

Country Link
CN (1) CN107806165A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019061868A1 (en) * 2017-09-30 2019-04-04 武汉圣禹排水系统有限公司 Slag dredging device
CN111924934A (en) * 2020-07-21 2020-11-13 河海大学 Municipal ditch sewage primary treatment device and operation process thereof
FR3101255A1 (en) * 2019-09-28 2021-04-02 Stéphane David Waste capture device in a rainwater collection network

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104120782A (en) * 2014-06-27 2014-10-29 武汉圣禹排水系统有限公司 Floating blocking plate for separating and removing scum
CN105442697A (en) * 2015-12-03 2016-03-30 武汉圣禹排水系统有限公司 Flotage interception device
CN207436205U (en) * 2017-09-30 2018-06-01 武汉圣禹排水系统有限公司 A kind of device for dragging dregs with baffle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104120782A (en) * 2014-06-27 2014-10-29 武汉圣禹排水系统有限公司 Floating blocking plate for separating and removing scum
CN105442697A (en) * 2015-12-03 2016-03-30 武汉圣禹排水系统有限公司 Flotage interception device
CN207436205U (en) * 2017-09-30 2018-06-01 武汉圣禹排水系统有限公司 A kind of device for dragging dregs with baffle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019061868A1 (en) * 2017-09-30 2019-04-04 武汉圣禹排水系统有限公司 Slag dredging device
FR3101255A1 (en) * 2019-09-28 2021-04-02 Stéphane David Waste capture device in a rainwater collection network
CN111924934A (en) * 2020-07-21 2020-11-13 河海大学 Municipal ditch sewage primary treatment device and operation process thereof

Similar Documents

Publication Publication Date Title
CN207436205U (en) A kind of device for dragging dregs with baffle
CN107806165A (en) A kind of device for dragging dregs with baffle plate
CN107558600A (en) A kind of hoisting type device for dragging dregs
CN208830279U (en) A kind of decontamination structure in power station
KR100969488B1 (en) A prevention apparatus of rain and sand inflow for opening and closing point in time adjustable storm overflow chamber
CN207761036U (en) A kind of device for dragging dregs of the trapezoidal screen frame of band
CN209509132U (en) A kind of anti-clogging municipal drainage pipeline
CN108951831B (en) Propeller type mouth discharging and sewage intercepting device
CN107585893A (en) A kind of rainwater filtering device
CN108643325B (en) Municipal drainage system
CN207988115U (en) The anti-ponding collector nozzle device of road
CN107630503A (en) A kind of floating device for dragging dregs
CN204781261U (en) Industry sewage detects well
CN107574915A (en) A kind of device for dragging dregs of the trapezoidal filter residue screen frame of band
CN105780906B (en) A kind of dirty exhaust system of fragment abandoned stream section
CN107574918A (en) A kind of device for dragging dregs
CN207436237U (en) A kind of hoisting type device for dragging dregs
KR20080102867A (en) Combined sewer overflow system
CN105780913A (en) Device for collecting and guiding rainwater at urban road edge
CN205276453U (en) Floater intercepting device
CN207277525U (en) A kind of debris retaining Vatch basin
CN211172288U (en) Environment-friendly gutter inlet
CN103774742A (en) Drainage pipeline grating device
CN104847006A (en) Industrial wastewater detection well
CN215253341U (en) Automatic deodorant sewer inlet for stom water of formula of opening and close

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20180316

WW01 Invention patent application withdrawn after publication