CN207761036U - A kind of device for dragging dregs of the trapezoidal screen frame of band - Google Patents

A kind of device for dragging dregs of the trapezoidal screen frame of band Download PDF

Info

Publication number
CN207761036U
CN207761036U CN201721277252.4U CN201721277252U CN207761036U CN 207761036 U CN207761036 U CN 207761036U CN 201721277252 U CN201721277252 U CN 201721277252U CN 207761036 U CN207761036 U CN 207761036U
Authority
CN
China
Prior art keywords
screen frame
dragging dregs
frame
trapezoidal
guide rails
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
CN201721277252.4U
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 CN201721277252.4U priority Critical patent/CN207761036U/en
Application granted granted Critical
Publication of CN207761036U publication Critical patent/CN207761036U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of device for dragging dregs of the trapezoidal screen frame of band, including fishing slag strainer, trapezoidal screen frame and two guide rails disposed in parallel;The fishing slag strainer is connect with the trapezoidal screen frame;The trapezoidal screen frame is arranged between two guide rails disposed in parallel, and the both ends of the longer sides frame of two parallel frames in the trapezoidal screen frame are slidably connected with two guide rails respectively.By the way that the device for dragging dregs of the utility model is arranged in abandoned stream well, shunting well or Vatch basin, the pollutant in sewage can be effectively intercepted, simultaneously because the presence of baffle, collects floating material without artificial, save manpower;The present apparatus elevates the pollutant intercepted by lifting device together, and pollutant is carried out collection and uniform disposal, effectively prevents 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 of the trapezoidal screen frame of band
Technical field
The utility model belongs to drainage system technical field, and in particular to a kind of device for dragging dregs of the trapezoidal screen frame of band.
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 generate unpleasant and toxic gas in abandoned stream well, influence Surrounding enviroment.Therefore, it is necessary to device for dragging dregs to intercept the pollutions such as the floating material carried in rainwater and sewage, sediment and suspended matter Object, when rainwater and sewage being made to pass through device for dragging dregs, a large amount of pollutants are intercepted so that enter reason equipment everywhere in 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.
Normally, it after the pollutant carried in rainwater and sewage is effectively intercepted in device for dragging dregs, also needs to intercept in fishing slag Pollutant promotion in strainer is uniformly processed to ground, and to pollutant, also needs that slag strainer will be dragged for after pollutant process It resets.In the prior art, the fishing slag strainer is typically mounted on filter residue screen frame and filter residue screen frame is typically mounted at a guide rail It can move up and down above and along guide rail.When promoting the filter residue screen frame, usually since fishing slag strainer carries a large amount of pollutants and So that center of gravity is not placed in the middle in lifting process, filter residue screen frame in lifting process is finally caused to be easy occur left and right deflection on guide rail Or the problem of with guide rail generation card resistance.In addition, during having handled pollutant and screen frame is reset to guide rail, need by Screen frame is aligned completely with the relative position of guide rail, is resetted and is taken and be inconvenient.
As the construction of drainage pipeline networks in China city is more and more perfect, there is an urgent need to one kind can be achieved to promote screen frame During will not occur left and right deflection on guide rail or occur card resistance and to facilitate screen frame that can reset with guide rail Device for dragging dregs in guide rail.
Utility model content
To solve the above problems, the utility model provides a kind of device for dragging dregs, by the way that upper end is arranged in device for dragging dregs The narrow trapezoidal screen frame in wide lower end, solves the problems, such as occur card resistance on guide rail.
The utility model provides the following technical solutions:
A kind of device for dragging dregs, the device for dragging dregs include that fishing slag strainer, trapezoidal screen frame and two disposed in parallel lead Rail;
The fishing slag strainer is connect with the trapezoidal screen frame;
The trapezoidal screen frame is arranged between two guide rails disposed in parallel, and two in the trapezoidal screen frame are flat The both ends of the longer sides frame of row frame are slidably connected with two guide rails respectively.
According to the utility model, the length of the upper side frame of two parallel frames in the trapezoidal screen frame is more than lower frame Length, and the upper side frame, close to rail crown, lower frame is close to guide rail bottom.
According to the utility model, the trapezoidal screen frame includes outline border and inside casing, is formed between the outline border and inside casing Circumferential installing zone;The opening of the fishing slag strainer is installed in the installing zone.
According to the utility model, the outline border is U-type groove, the fishing slag strainer with the installing zone that the inside casing is formed Opening be equipped with frenulum, the frenulum can be tightened in the U-type groove.
According to the utility model, the outline border is clamped with the inside casing, and the opening of the fishing slag strainer is located in institute It states in the installing zone between outline border and the inside casing.
According to the utility model, the inside casing includes with the inside edge being clamped on the inside of the outline border and positioned at the outline border side The outer edge of wall.
According to the utility model, the outer edge is bolted to connection with the outline border side wall, is located at for fixation The fishing slag strainer between the outer edge and the outline border side wall.
According to the utility model, the trapezoidal screen frame includes several outline borders and inside casing, and all outline borders are simultaneously Row setting is structure as a whole.
According to the utility model, the trapezoidal screen frame including several outline borders and inside casing can install several fishing slags Strainer.
According to the utility model, the both sides of the upper side frame of the trapezoidal screen frame are equipped with sliding block and pulley, the sliding block It is slidably connected with pulley and the guide rail.
According to the utility model, the device for dragging dregs further includes baffle, the baffle plate setting fishing slag strainer upstream end, Also, the bottom face of baffle is located between the upper and lower side frame of screen frame.
According to the utility model, the baffle is fixed baffle, and the both sides of the fixed baffle are fixed on abandoned stream well or divide On the borehole wall for flowing well or Vatch basin.
Preferably, the fixed baffle 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 cuts Flow the width of well.
According to the utility model, the baffle is floating barrier, and the guide rail is double guide rails, wherein the one of double guide rails Guide rail is oriented to for screen frame, and another guide rail of double guide rails is oriented to for floating barrier.
Wherein, the both sides frame of the screen frame is flexibly connected with a side rails of double guide rails respectively.
Wherein, the bottom for the guide rail that double guide rails are connected with screen frame and the abandoned stream well or shunting well shut off The bottom of well contacts.
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 utility model, the water (flow) direction is vertical with plane determined by described two guide rails disposed in parallel.
According to the utility model, the device for dragging dregs further includes lifting device, and the lifting device is located at the filter screen frame The top of frame, and connect with the screen frame.
According to the utility model, the lifting device includes lifting rope, pulley mechanism and pull unit, one end of the lifting rope It is connect with the screen frame, the other end of the lifting rope is connect by pulley mechanism with pull unit.
According to the utility model, the pull unit is achieved in that manually or electrically.
According to the utility model, the height of the upper ledge of the screen frame is depending on the height of the water surface, it is desirable that higher than just The height 300-500mm in ordinary water face.
According to the utility model, the device for dragging dregs can also include oil absorbent material and screen frame;The oil absorbent material is placed in screen frame Interior, the screen frame is connected by hinge with screen frame upper end.
According to the utility model, the oil absorbent material may be used lipophile superfine fibre nonwoven fabric or any other can inhale The material of oil.
According to the utility model, the bottom of the screen frame is equipped with the support plate extended along water (flow) direction, the fishing slag Filter screen part is located at least in support plate.
The utility model also provides the following technical solutions:
A kind of shunting well or abandoned stream well or Vatch basin comprising shunting well or abandoned stream well or Vatch basin well body and be set to institute State the above-mentioned device for dragging dregs in well body.By the way that above-mentioned device for dragging dregs is arranged in well body, can effectively intercept in sewage compared with Big grain size pollutant (floating material, suspended matter and sediment) and greasy dirt etc. ensure the unimpeded of pipeline and upstream device.
The beneficial effects of the utility model:
Device for dragging dregs provided by the utility model, by the way that the narrow trapezoidal strainer in the wide lower end in upper end is arranged in device for dragging dregs Frame efficiently solves during screen frame is elevated, occurs left and right deflection on guide rail or asking for card resistance occurs with guide rail Topic so that though fishing slag strainer carry a large amount of pollutants and being capable of the smooth shifting on guide rail if screen frame when center not placed in the middle It is dynamic.In addition, the trapezoidal screen frame in the utility model during resetting to guide rail, is led since trapezoidal screen frame is sunk to Has the function of automatic adjusting position when rail, there is no need to be directed at screen frame completely with the relative position of guide rail so that filter Screen frame frame is more prone to when resetting, is more convenient.
By the way that the device for dragging dregs of the utility model is arranged in abandoned stream well, shunting well or Vatch basin, sewage can be effectively intercepted In pollutant collect floating material without artificial, save manpower simultaneously because the presence of baffle;The present apparatus will intercept Pollutant elevated together by lifting device, pollutant is subjected to collection and uniform disposal, effectively prevent abandoned stream well, point Flow well or the blocking of Vatch basin and the pollution of natural water.
Description of the drawings
Fig. 1 is that the device for dragging dregs with floating barrier of the utility model is arranged in abandoned stream well or shunting well or Vatch basin Schematic diagram;
Fig. 2 is the device for dragging dregs schematic diagram of the utility model;
Wherein, a is the front view of device for dragging dregs;B is the left view of device for dragging dregs;C is the vertical view of device for dragging dregs;A ' is The partial structural diagram of a;
Fig. 3 is the structural schematic diagram that the screen frame of the utility model is connect with guide rail;
Wherein, 1 is floating barrier, and 2 is drag for slag strainer, and 3 be trapezoidal screen frame, and 4 be lifting device, and 5 be guide rail, and 6 are Water inlet, 7 be water outlet, and 8 be flow, and 9 be sediment and suspended matter, and 10 be floating material, and 11 be outline border, and 12 be inside casing, and 13 are Bolt.
Specific implementation mode
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this Utility model rather than limitation the scope of protection of the utility model.Furthermore, it is to be understood that having read disclosed in the utility model Content after, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms are equally fallen Within the limits of the protection in the utility model.
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.The device for dragging dregs includes that fishing slag strainer 2, trapezoidal screen frame 3 and two are flat The guide rail 5 of row setting;
The trapezoidal screen frame 3 includes outline border 11 and inside casing 12, and circumferential direction is formed between the outline border 11 and inside casing 12 Installing zone;The outline border 11 is clamped with the inside casing 12, and the opening of the fishing slag strainer 2 is located in the outline border 11 and institute It states in the installing zone between inside casing 12.The trapezoidal screen frame 3 is arranged between two guide rails 5 disposed in parallel, trapezoidal filter The both sides of the upper side frame of screen frame frame 3 are equipped with sliding block and pulley, and the sliding block and pulley are slidably connected with the guide rail 5.
Wherein, the inside casing 12 includes the inside edge being clamped with 11 inside of the outline border and is located at 11 side wall of the outline border Outer edge.
Wherein, the outer edge is fixedly connected with the side wall of the outline border 11 by bolt 13, described in fixed be located at The fishing slag strainer 2 between 11 side wall of outer edge and the outline border.
The length of the upper side frame of two parallel frames in the trapezoidal screen frame 3 is more than the length of lower frame, and institute Upper side frame is stated close to 5 top of guide rail, lower frame is close to 5 bottom of guide rail.
Wherein, 8 direction of flow is vertical with plane determined by described two guide rails 5 disposed in parallel.
Wherein, the device for dragging dregs further includes floating barrier 1, and the floating barrier 1 is arranged in the upstream of fishing slag strainer 2 Place, also, the bottom face of floating barrier 1 is located between the upper and lower side frame of trapezoidal 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 trapezoidal screen frame 3, described Another guide rail of double guide rails is oriented to for floating barrier 1.
Wherein, the both sides frame of the trapezoidal screen frame 3 is flexibly connected with a side rails of double guide rails respectively.
Wherein, the bottom and the bottom of the shunting well for the guide rail that double guide rails are connected with trapezoidal screen frame 3 connect It touches.
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 of trapezoidal screen frame 3 50-150mm, preferably 100mm.
Wherein, the device for dragging dregs further includes lifting device 4, and the lifting device 4 is located at the trapezoidal screen frame 3 Top, and connect with the trapezoidal screen frame 3.
Wherein, the lifting device 4 includes lifting rope, pulley mechanism and pull unit, one end of the lifting rope and the ladder Shape screen frame 3 connects, and the other end of the lifting rope is connect by pulley mechanism with pull unit.
Wherein, the pull unit is achieved in that manually or electrically.
Wherein, there is the lifting device 4 self-locking function, i.e. trapezoidal screen frame 3 will not decline because of Gravitative Loads.
Wherein, the height of the upper ledge of the trapezoidal screen frame 3 is depending on the height of the water surface, it is desirable that is higher than Normal Water Surface Height 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 3 upper end of trapezoidal screen frame.
Wherein, the oil absorbent material 11 may be used lipophile superfine fibre nonwoven fabric or it is any other can be with the material of oil suction Material.
Wherein, the trapezoidal screen frame 3 may include several outline borders 11 and inside casing 12, and all outline borders 11 are simultaneously Row setting is structure as a whole, also, the trapezoidal screen frame 3 including several outline borders 11 and inside casing 12 can install several Drag for slag strainer 2.
Wherein, the bottom of the screen frame 3 is equipped with the support plate extended along water (flow) direction, 2 part of fishing slag strainer It is located at least in support 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:
When fine day, the wastewater level in shunting well is less than the height of fishing slag strainer upper ledge, the bulky grain pollutant in sewage It can effectively be intercepted by fishing slag strainer;
When rainfall, combined sewage water level in shunting well increases, after water level reach a certain height, floating barrier start with Water level rises and rises, and the sedimentation pollutant in combined sewage, suspended contaminant remain able to be dragged for the interception of slag strainer, and floating is dirty Dye object 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 intercepted under hydraulic action by fishing slag strainer after the minimum altitude of baffle.
Drag for slag strainer in contaminant collecting to a certain extent after, under the action of lifting device, by pollutant propose shunt The frenulum that trapezoidal screen frame U-type groove is tied up to outside well, and before unlocking takes out fishing slag strainer, outwells pollutant, then will cleaning Fishing slag strainer afterwards is reinstalled in trapezoidal screen frame, and trapezoidal screen frame is replaced in shunting well by lifting device Interior collection pollutant.
More than, the embodiment of the utility model is illustrated.But the utility model is not limited to above-mentioned implementation Mode.Within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done, should be included in Within the scope of protection of the utility model.

Claims (16)

1. a kind of device for dragging dregs of the trapezoidal screen frame of band, which is characterized in that the device for dragging dregs includes fishing slag strainer, trapezoidal filter Screen frame frame and two guide rails disposed in parallel;
The fishing slag strainer is connect with the trapezoidal screen frame;
The trapezoidal screen frame is arranged between two guide rails disposed in parallel, two parallel edges in the trapezoidal screen frame The both ends of the longer sides frame of frame are slidably connected with two guide rails respectively.
2. device for dragging dregs according to claim 1, which is characterized in that two parallel frames in the trapezoidal screen frame The length of upper side frame is more than the length of lower frame, and the upper side frame, close to rail crown, lower frame is close to guide rail bottom.
3. device for dragging dregs according to claim 1, which is characterized in that the trapezoidal screen frame includes outline border and inside casing, Circumferential installing zone is formed between the outline border and inside casing;The opening of the fishing slag strainer is installed in the installing zone.
4. device for dragging dregs according to claim 3, which is characterized in that the installation that the outline border is formed with the inside casing Area is U-type groove, and the opening of the fishing slag strainer is equipped with frenulum, and the frenulum can be tightened in the U-type groove.
5. device for dragging dregs according to claim 3, which is characterized in that the outline border is clamped with the inside casing, and the fishing The opening of slag strainer is located in the installing zone between the outline border and the inside casing;
Wherein, the inside casing includes with the inside edge being clamped on the inside of the outline border and positioned at the outer edge of the outline border side wall;
Wherein, the outer edge is bolted to connection with the outline border side wall, is located at the outer edge and institute for fixed State the fishing slag strainer between outline border side wall.
6. according to claim 3-5 any one of them device for dragging dregs, which is characterized in that the trapezoidal screen frame includes several A outline border and inside casing, and all outline borders are set up in parallel and are structure as a whole;
Wherein, the trapezoidal screen frame including several outline borders and inside casing can install several fishing slag strainers;
Wherein, the both sides of the upper side frame of the trapezoidal screen frame are equipped with sliding block and pulley, and the sliding block and pulley are led with described Rail is slidably connected.
7. according to claim 1-5 any one of them device for dragging dregs, which is characterized in that the device for dragging dregs further includes baffle, The baffle plate setting is in the upstream end for dragging for slag strainer, also, the bottom face of baffle is located between the upper and lower side frame of screen frame.
8. device for dragging dregs according to claim 7, which is characterized in that the baffle is fixed baffle, the fixed baffle Both sides be fixed on the borehole wall of abandoned stream well or shunting well or Vatch basin;
Wherein, the fixed baffle is parallel with plane determined by the closed slide, and is determined with the closed slide The distance between plane L meet 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.
9. device for dragging dregs according to claim 7, which is characterized in that the baffle is floating barrier, and the guide rail is double A wherein guide rail for guide rail, double guide rails is oriented to for screen frame, and another guide rail of double guide rails is oriented to for floating barrier;
Wherein, the both sides frame of the screen frame is flexibly connected with a side rails of double guide rails respectively;
Wherein, the bottom of the bottom for the guide rail that double guide rails are connected with screen frame and abandoned stream well or shunting well or Vatch basin Contact;
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 50-150mm of screen frame.
10. device for dragging dregs according to claim 9, which is characterized in that double guide rails were connected with floating barrier one leads The bottom of rail is less than the upper ledge 100mm of screen frame.
11. according to claim 1-5 any one of them device for dragging dregs, which is characterized in that water (flow) direction with it is described two parallel Plane is vertical determined by the guide rail of setting.
12. according to claim 1-5 any one of them device for dragging dregs, which is characterized in that the device for dragging dregs further includes being promoted Device, the lifting device are located at the top of the screen frame, and are connect with the screen frame;
Wherein, the lifting device includes lifting rope, pulley mechanism and pull unit, one end of the lifting rope and the screen frame Connection, the other end of the lifting rope are connect by pulley mechanism with pull unit;
Wherein, the pull unit is achieved in that manually or electrically.
13. according to claim 1-5 any one of them device for dragging dregs, which is characterized in that the height of the upper ledge of the screen frame Degree is depending on the height of the water surface, it is desirable that is higher than the height 300-500mm of Normal Water Surface.
14. according to claim 1-5 any one of them device for dragging dregs, which is characterized in that the device for dragging dregs further includes oil suction 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;
Wherein, the oil absorbent material uses lipophile superfine fibre nonwoven fabric.
15. according to claim 1-5 any one of them device for dragging dregs, which is characterized in that the bottom of the screen frame is equipped with The support plate extended along water (flow) direction, the fishing slag filter screen part are located at least in support plate.
16. 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 set to described Claim 1-15 any one of them device for dragging dregs in well body.
CN201721277252.4U 2017-09-30 2017-09-30 A kind of device for dragging dregs of the trapezoidal screen frame of band Active CN207761036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721277252.4U CN207761036U (en) 2017-09-30 2017-09-30 A kind of device for dragging dregs of the trapezoidal screen frame of band

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721277252.4U CN207761036U (en) 2017-09-30 2017-09-30 A kind of device for dragging dregs of the trapezoidal screen frame of band

Publications (1)

Publication Number Publication Date
CN207761036U true CN207761036U (en) 2018-08-24

Family

ID=63179492

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721277252.4U Active CN207761036U (en) 2017-09-30 2017-09-30 A kind of device for dragging dregs of the trapezoidal screen frame of band

Country Status (1)

Country Link
CN (1) CN207761036U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107574915A (en) * 2017-09-30 2018-01-12 武汉圣禹排水系统有限公司 A kind of device for dragging dregs of the trapezoidal filter residue screen frame of band
CN109339214A (en) * 2018-10-22 2019-02-15 裴梓成 Rainwater-collecting cuts dirty flow abandoning apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107574915A (en) * 2017-09-30 2018-01-12 武汉圣禹排水系统有限公司 A kind of device for dragging dregs of the trapezoidal filter residue screen frame of band
CN109339214A (en) * 2018-10-22 2019-02-15 裴梓成 Rainwater-collecting cuts dirty flow abandoning apparatus

Similar Documents

Publication Publication Date Title
CN204401764U (en) A kind of Multifunction catch-basin
CN207436205U (en) A kind of device for dragging dregs with baffle
CN207761036U (en) A kind of device for dragging dregs of the trapezoidal screen frame of band
CN107558600A (en) A kind of hoisting type device for dragging dregs
CN107806165A (en) A kind of device for dragging dregs with baffle plate
CN209509132U (en) A kind of anti-clogging municipal drainage pipeline
CN107585893A (en) A kind of rainwater filtering device
CN207988115U (en) The anti-ponding collector nozzle device of road
CN108951831B (en) Propeller type mouth discharging and sewage intercepting device
CN105401649A (en) Rainwater inlet trash barrier sieve used for filtering initial rainwater
CN107630503A (en) A kind of floating device for dragging dregs
CN207436237U (en) A kind of hoisting type device for dragging dregs
CN107574915A (en) A kind of device for dragging dregs of the trapezoidal filter residue screen frame of band
CN107574918A (en) A kind of device for dragging dregs
CN208844712U (en) A kind of rainfall runoff pollution cutting device
CN209076230U (en) A kind of dmp filter purification device
CN207314489U (en) A kind of catch-basin of environment-protecting clean
CN206941774U (en) One kind is used for sponge city double-skin duct road intake apparatus
CN109252581A (en) A kind of environment-friendly type inlet for stom water
CN206635911U (en) Rain inlet structure with ponding function inside discharge subgrade and pavement
CN205296361U (en) Inlet for stom water structure with filter screen
CN205530640U (en) Distribution of rain and sewage well
CN212506660U (en) Gutter inlet slag removing device
CN213625959U (en) Road drainage device for sponge city anti-blocking
CN209025178U (en) A kind of environment-friendly type inlet for stom water

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant