CN104452815B - Plastics step-down inspection chamber - Google Patents

Plastics step-down inspection chamber Download PDF

Info

Publication number
CN104452815B
CN104452815B CN201410743330.XA CN201410743330A CN104452815B CN 104452815 B CN104452815 B CN 104452815B CN 201410743330 A CN201410743330 A CN 201410743330A CN 104452815 B CN104452815 B CN 104452815B
Authority
CN
China
Prior art keywords
pit shaft
inspection chamber
tube faucet
conservancy diversion
bellmouth
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
CN201410743330.XA
Other languages
Chinese (zh)
Other versions
CN104452815A (en
Inventor
周祖明
张双全
郑术友
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.)
Kangtai Plastic Technology Co ltd
Original Assignee
Kangtai Plastic Science and Technology Group 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 Kangtai Plastic Science and Technology Group Co Ltd filed Critical Kangtai Plastic Science and Technology Group Co Ltd
Priority to CN201410743330.XA priority Critical patent/CN104452815B/en
Publication of CN104452815A publication Critical patent/CN104452815A/en
Application granted granted Critical
Publication of CN104452815B publication Critical patent/CN104452815B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E02D29/124Shaft entirely made of synthetic material
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/02Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • E03F5/024Manhole shafts or other inspection chambers; Snow-filling openings; accessories made of plastic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Sewage (AREA)

Abstract

The present invention discloses a kind of underground water, gas of reducing to the plastics step-down inspection chamber of inspection chamber base pressure. The reinforced wall section that this inspection chamber comprises pit shaft, be positioned at the pit shaft bellmouth on pit shaft top, the tube faucet that is arranged in pit shaft side wall and pit shaft side wall extend wellbore bottom; Described reinforced wall section is provided with at least one relief hole, and described relief hole is through hole. Pressure bottom this inspection chamber can be discharged from the side of inspection chamber by underground water, gas by set relief hole, avoid inspection chamber to be subject to pressure to damage or upwards float and wash away to banket and cause landslide, it is to increase the work-ing life of this plastic inspection well.

Description

Plastics step-down inspection chamber
Technical field
The invention belongs to feedwater, draining field, it is specifically related to a kind of plastics step-down inspection chamber.
Background technology
Inspection chamber is that inspection chamber is generally located at drop place of place and drainage pipeline at a certain distance on the turning of drainage pipeline, cable pipeline etc., intersection, caliber or gradient change place, straight line pipeline section at underground pipeline at a certain distance or the vertical shaft installed of a certain fixed position. Inspection chamber is in order to service conduits, removes mud and connects the attached structures of different directions, different heights pipeline. Specifically there are sewage inspection well, street manhole, heavy mud inspection chamber, point water inspection chamber, power check well, telecommunication inspection manhole, pipeline valve inspection chamber etc. Plastic inspection well has the advantages such as weight is light, corrosion-resistant, ageing-resistant and plastic conduit is easy to connect, operating efficiency height, construction cost are low, and thus plastic inspection well instead of traditional inspection chamber and is widely used.
At present, the tube faucet that plastic inspection well mainly comprises pit shaft, is positioned at the pit shaft bellmouth on pit shaft top and is arranged in pit shaft side wall; A general tube faucet is one to four, usually can extend wellbore bottom to ensure the lower end of the intensity pit shaft side wall of plastic inspection well. Existing plastic inspection well install after, the bottom of inspection chamber be subject to underground water, gas pressure bigger; Particularly when ground water table raises, the bottom of inspection chamber is particularly serious by pressure. When buoyancy force of underground water and air pressure increase to a certain degree will make inspection chamber be subject to pressure damage or inspection chamber is upwards floated washing away bankets causes landslide.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of underground water, gas of reducing to the plastics step-down inspection chamber of inspection chamber base pressure.
In order to solve the problems of the technologies described above, the present invention provides a kind of plastics step-down inspection chamber, and the tube faucet comprise pit shaft, be positioned at the pit shaft bellmouth on pit shaft top, being arranged in pit shaft side wall and pit shaft side wall extend the reinforced wall section of wellbore bottom; Described reinforced wall section is provided with at least one relief hole, and described relief hole is through hole.
Further, described relief hole is at least two, and the circumference uniform distribution along reinforced wall section.
Further, the outer wall of described pit shaft bellmouth and/or a tube faucet is provided with at least one cyclic reinforcing rib.
Further, the internal surface interface of described pit shaft bellmouth and a tube faucet is provided with chamfering.
Further, the inwall of described pit shaft bellmouth is provided with pit shaft annular platform, and the downside of described pit shaft bellmouth outer wall and pit shaft annular platform corresponding section is provided with gusseted muscle.
Further, the inwall of described tube faucet is provided with arm annular platform, and described tube faucet outer wall is provided with cyclic reinforcing rib with arm annular platform corresponding section.
Further, described pit shaft outer wall is provided with netted reinforcing rib, and the downside of described wellbore bottom is provided with radial stiffening web and the arachnoid stiffening web of the interlaced formation of cyclic reinforcing rib.
Further, described tube faucet is at least three, and one of them tube faucet is spout, and remaining tube faucet is for importing mouth; Described wellbore bottom is provided with spine structure, wellbore bottom is divided at least two level and smooth suitable surface structure by described spine structure, described spine structure can separate guiding by from the water body importing mouth inflow, and described suitable surface structure can be guided to spout by from the water body importing mouth inflow.
Further, described tube faucet is three, and three tube faucets are separately positioned in pit shaft side wall to form T-shaped three-way inspection well; Wherein, a tube faucet of two corresponding settings is for importing mouth, and another tube faucet is spout; Described spine structure is herring-bone spine, and wellbore bottom is divided into three along surface structure by described herring-bone spine, and three are respectively a following current face and two water conservancy diversion faces along surface structure; Described following current face is in fan-shaped cambered surface, and the water conservancy diversion direction in following current face is towards the tube faucet as spout; Described water conservancy diversion face is arc, the water conservancy diversion entrance in two water conservancy diversion faces respectively towards two as the tube faucet importing mouth, the diversion outlet in two water conservancy diversion faces is all towards the tube faucet as spout.
Further, the intersection place that described tube faucet is connected with pit shaft side wall is provided with and seamlessly transits structure, described in seamlessly transit structure and comprise external arc chamfering and Inner arc chamfering.
The invention has the beneficial effects as follows: the pressure bottom this inspection chamber can be discharged by underground water, gas from the side of inspection chamber by set relief hole, avoid inspection chamber to be subject to pressure to damage or upwards float washing away to banket and cause landslide, it is to increase the work-ing life of this plastic inspection well. Pressure bottom inspection chamber can be discharged by the multiple relief holes along reinforced wall section circumference uniform distribution from the surrounding of inspection chamber, row pressure better effects if. Cyclic reinforcing rib can improve the intensity of inspection chamber, increases pit shaft bellmouth and the ring stiffness of a tube faucet, avoids inspection chamber sidewall excessively thick, cost-saving. Chamfering on pit shaft bellmouth can make the pipeline being connected with pit shaft bellmouth easy to connect, and the chamfering on tube faucet can so that the connection of arm bellmouth and other pipelines. Pit shaft annular platform improves stability and the stopping property of pit shaft, and gusseted muscle strengthens the structure of pit shaft. Arm annular platform adds stability and the stopping property of a tube faucet. Netted reinforcing rib and arachnoid stiffening web, while increasing inspection chamber intensity, also enhance the ability that inspection chamber supports external force extrusion-resistance distortion. The water body entered from remittance mouth can be separated guiding when a tube faucet is more than three by set spine structure, and by water body being guided to spout with lower energy consumption along surface structure, current are better converged, ensure that the direction of current and flow velocity, avoid the generation of turbulent flow or eddy flow. Herring-bone spine has the effect of better point water guiding, and the water body entered from pit shaft bellmouth can also be carried out water conservancy diversion by following current face. Seamlessly transit structure can not only improve tube faucet be connected with pit shaft between intensity; And, when being convenient to desilting, cleaning tool enters inspection chamber dredging.
Accompanying drawing explanation
Fig. 1 be one embodiment of the present invention partly cut open structural representation;
Fig. 2 is the plan structure schematic diagram that Fig. 1 implements mode;
Fig. 3 is the plan structure schematic diagram of another embodiment of the present invention;
Fig. 4 is the inspection chamber bottom construction axis side view that Fig. 1 implements mode;
Figure is labeled as: pit shaft 1, herring-bone spine 11, following current face 12, water conservancy diversion face 13, water conservancy diversion entrance 131, diversion outlet 132, pit shaft bellmouth 2, chamfering 21, pit shaft annular platform 22, gusseted muscle 23, a tube faucet 3, chamfering 31, arm annular platform 32, external arc chamfering 33, Inner arc chamfering 34, reinforced wall section 4, relief hole 41, cyclic reinforcing rib 5, netted reinforcing rib 6 and arachnoid stiffening web 7.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 and Figure 4, plastics step-down inspection chamber, the tube faucet 3 and pit shaft 1 sidewall that comprise pit shaft 1, be positioned at the pit shaft bellmouth 2 on pit shaft 1 top, are arranged on pit shaft 1 sidewall extend the reinforced wall section 4 bottom pit shaft 1; A set tube faucet 3 is generally one to four; Described reinforced wall section 4 is provided with at least one relief hole 41, and described relief hole 41 is through hole. Reinforced wall section 4 extends the reinforcing structure bottom pit shaft 1, for ensureing the bulk strength of pit shaft 1. Relief hole 41 is the through hole being arranged in reinforced wall section 4, for underground water, gas being discharged from the side of inspection chamber by the pressure bottom inspection chamber. Relief hole 41 is unsuitable excessive, also too much unsuitable, in order to avoid affecting the structural strength of reinforced wall section 4, causes the bulk strength of pit shaft 1 to reduce; Certainly, in order to reach maximum antihypertensive effect, under the prerequisite ensureing reinforced wall section 4 structural strength, the size of set relief hole 41 is big as far as possible, and the quantity of relief hole 41 is many as far as possible. Relief hole 41 is arranged on the circumferential surface of reinforced wall section 4 bottom the pit shaft 1 place usually, arranges like this and can improve antihypertensive effect. In order to avoid relief hole 41 by the blocking such as earth, stone, generally filtering net can be set on pit shaft 1 sidewall at relief hole 41 place.
In order to make the pressure bottom inspection chamber discharge from the surrounding of inspection chamber, make inspection chamber outwardly row pressure time suffered reactive force cancel out each other, thus be subject to less reactive force, it is to increase row pressure effect, described relief hole 41 is at least two, and the circumference uniform distribution along reinforced wall section 4.
On above-mentioned basis, in order to when inspection chamber sidewall thickness is certain, improving the intensity of inspection chamber further, increase pit shaft bellmouth 2 and/or the ring stiffness of a tube faucet 3, the outer wall of described pit shaft bellmouth 2 and/or a tube faucet 3 is provided with at least one cyclic reinforcing rib 5. The radical of set cyclic reinforcing rib 5 in right amount, such as, in Fig. 1 scheme, the outer wall of pit shaft bellmouth 2 and a tube faucet 3 is equipped with three cyclic reinforcing ribs 5 when proof strength.
In order to make the pipeline being connected with pit shaft bellmouth 2 easy to connect, the internal surface interface at pit shaft bellmouth 2 is provided with chamfering 21; In order to make the easy to connect of tube faucet 3 and other pipelines, the internal surface interface at a tube faucet 3 is provided with chamfering 31.
Concrete, more as shown in Figure 1, in order to improve stability and the stopping property of pit shaft 1, the inwall of described pit shaft bellmouth 2 is provided with pit shaft annular platform 22; In order to strengthen the structure of pit shaft annular platform 22 place pit shaft 1, the downside of described pit shaft bellmouth 2 outer wall and pit shaft annular platform 22 corresponding section is provided with gusseted muscle 23. Pit shaft annular platform 22 is annular platform.Gusseted muscle 23 is generally two or more, and arranges along the circumference uniform distribution of pit shaft 1.
Concrete, more as shown in Figure 1, in order to improve stability and the stopping property of a tube faucet 3, the inwall of described tube faucet 3 is provided with arm annular platform 32, and arm annular platform 32 is annulus platform; Prop up the structure of tube faucet 3 in order to strengthen arm annular platform 32 place, described tube faucet 3 outer wall is provided with cyclic reinforcing rib 5 with arm annular platform 32 corresponding section.
In order to improve this inspection chamber intensity further, strengthen the ability that inspection chamber supports external force extrusion-resistance distortion simultaneously, as shown in Figure 1 and Figure 4, described pit shaft 1 outer wall is provided with netted reinforcing rib 6, and the downside bottom described pit shaft 1 is provided with radial stiffening web and the arachnoid stiffening web 7 of the interlaced formation of cyclic reinforcing rib.
As a preferred embodiment of the present invention, specifically as shown in Figures 2 and 3, plastics step-down inspection chamber, the tube faucet 3 and pit shaft 1 sidewall that comprise pit shaft 1, be positioned at the pit shaft bellmouth 2 on pit shaft 1 top, are arranged on pit shaft 1 sidewall extend the reinforced wall section 4 bottom pit shaft 1; Described reinforced wall section 4 is provided with at least one relief hole 41, and described relief hole 41 is through hole; Described tube faucet 3 is at least three, and one of them tube faucet 3 is spout, and remaining tube faucet 3 is for importing mouth; It is provided with spine structure bottom described pit shaft 1, described spine structure will be divided at least two level and smooth suitable surface structure bottom pit shaft 1, described spine structure can separate guiding by from the water body importing mouth inflow, and described suitable surface structure can be guided to spout by from the water body importing mouth inflow. Spine structure is generally injection moulding. Set spine structure can will separate guiding from importing the water body that mouth enter when a tube faucet is more than three, make the flow direction of water body in pit shaft 1 all towards spout, current better be converged, ensure that the direction of current; While water body is carried out separating guiding by spine structure, along surface structure, with lower energy consumption, water body being guided to spout, the smoothed kinetic energy along water body after surface structure water conservancy diversion consumes less, and water volume flow rate is substantially constant. The inspection chamber of this structure can be avoided and produces turbulent flow or eddy flow in pit shaft 1 because water body confluxes when tube faucet is more than three, ensure that water body is discharged in time, and is convenient to the cleaning in blowdown and later stage.
On above-mentioned basis, more as shown in Figure 2, described tube faucet 3 is three, and three tube faucets 3 are separately positioned on pit shaft 1 sidewall to form T-shaped three-way inspection well; Wherein, a tube faucet 3 of two corresponding settings is for importing mouth, and another tube faucet 3 is spout; Described spine structure is herring-bone spine 11, and described herring-bone spine 11 will be divided into three along surface structure bottom pit shaft 1, three are respectively a following current face 12 and two water conservancy diversion faces 13 along surface structure; Described following current face 12 is in fan-shaped cambered surface, and the water conservancy diversion direction in following current face 12 is towards the tube faucet 3 as spout; Described water conservancy diversion face 13 is arc, the water conservancy diversion entrance 131 in two water conservancy diversion faces 13 respectively towards two as the diversion outlets 132 in tube faucet 3, two water conservancy diversion faces 13 importing mouth all towards propping up tube faucet 3 as spout. Herring-bone spine 11 has the effect of better point water guiding, and the water body entered from pit shaft bellmouth 2 can also be carried out water conservancy diversion by following current face 12.
In order to improve tube faucet 3 be connected with pit shaft 1 between intensity, the intersection place that described tube faucet 3 is connected with pit shaft 1 sidewall is provided with and seamlessly transits structure, described in seamlessly transit structure and comprise Inner arc chamfering 33 and external arc chamfering 34, as shown in Figure 1.Seamlessly transitting structure when being also convenient to desilting, cleaning tool enters and carries out dredging operation in inspection chamber.

Claims (8)

1. plastics step-down inspection chamber, comprises pit shaft (1), reinforced wall section (4) that a tube faucet (3) on the pit shaft bellmouth (2) on (1) top that is positioned at pit shaft, (1) sidewall that is arranged on pit shaft and pit shaft (1) sidewall extend pit shaft (1) bottom; It is characterized in that: described reinforced wall section (4) is provided with at least one relief hole (41), and described relief hole (41) is through hole; Described tube faucet (3) is three, and three tube faucets (3) are separately positioned on pit shaft (1) sidewall to form T-shaped three-way inspection well; Wherein, a tube faucet (3) of two corresponding settings is for importing mouth, and another tube faucet (3) is spout;
Described pit shaft (1) bottom is provided with spine structure, described spine structure is herring-bone spine (11), pit shaft (1) bottom is divided into three level and smooth suitable surface structure by described herring-bone spine (11), and three are respectively a following current face (12) and two water conservancy diversion faces (13) along surface structure; Described following current face (12) is in fan-shaped cambered surface, and the water conservancy diversion direction of following current face (12) is towards the tube faucet (3) as spout; Described water conservancy diversion face (13) is arc, the water conservancy diversion entrance (131) of two water conservancy diversion faces (13) respectively towards two as the tube faucet (3) importing mouth, the diversion outlet (132) of two water conservancy diversion faces (13) is all towards propping up tube faucet (3) as spout; Described spine structure can separate guiding by from the water body importing mouth inflow, and described suitable surface structure can be guided to spout by from the water body importing mouth inflow.
2. plastics step-down inspection chamber as claimed in claim 1, it is characterised in that: described relief hole (41) is at least two, and the circumference uniform distribution along reinforced wall section (4).
3. plastics step-down inspection chamber as claimed in claim 1, it is characterised in that: the outer wall of described pit shaft bellmouth (2) and/or a tube faucet (3) is provided with at least one cyclic reinforcing rib (5).
4. plastics step-down inspection chamber as claimed in claim 1, it is characterised in that: the internal surface interface of described pit shaft bellmouth (2) and a tube faucet (3) is provided with chamfering (21,31).
5. plastics step-down inspection chamber as claimed in claim 1, it is characterized in that: the inwall of described pit shaft bellmouth (2) is provided with pit shaft annular platform (22), the downside of described pit shaft bellmouth (2) outer wall and pit shaft annular platform (22) corresponding section is provided with gusseted muscle (23).
6. plastics step-down inspection chamber as claimed in claim 1, it is characterized in that: the inwall of described tube faucet (3) is provided with arm annular platform (32), described tube faucet (3) outer wall is provided with cyclic reinforcing rib (5) with arm annular platform (32) corresponding section.
7. plastics step-down inspection chamber as claimed in claim 1, it is characterized in that: described pit shaft (1) outer wall is provided with netted reinforcing rib (6), the downside of described pit shaft (1) bottom is provided with the arachnoid stiffening web (7) of radial stiffening web and the interlaced formation of cyclic reinforcing rib.
8. plastics step-down inspection chamber as described in claim 1,2,3,4,5,6 or 7, it is characterized in that: the intersection place that described tube faucet (3) is connected with pit shaft (1) sidewall is provided with and seamlessly transits structure, described in seamlessly transit structure and comprise external arc chamfering (33) and Inner arc chamfering (34).
CN201410743330.XA 2014-12-08 2014-12-08 Plastics step-down inspection chamber Active CN104452815B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410743330.XA CN104452815B (en) 2014-12-08 2014-12-08 Plastics step-down inspection chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410743330.XA CN104452815B (en) 2014-12-08 2014-12-08 Plastics step-down inspection chamber

Publications (2)

Publication Number Publication Date
CN104452815A CN104452815A (en) 2015-03-25
CN104452815B true CN104452815B (en) 2016-06-08

Family

ID=52899515

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410743330.XA Active CN104452815B (en) 2014-12-08 2014-12-08 Plastics step-down inspection chamber

Country Status (1)

Country Link
CN (1) CN104452815B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104912174B (en) * 2015-05-25 2017-02-01 浙江浙牌科技有限公司 Convenient-to-mount high-strength water dropping well
CN107060045B (en) * 2017-04-19 2022-08-23 中国瑞林工程技术股份有限公司东莞分公司 Jet type drainage four-way inspection well

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001182147A (en) * 1999-12-28 2001-07-03 Aron Kasei Co Ltd Basin with rib
CN102367685A (en) * 2011-10-26 2012-03-07 江苏通全球工程管业有限公司 Base of inspection well
CN202157341U (en) * 2011-07-25 2012-03-07 四川亚塑新材料有限公司 Enhanced reinforcing rib plastic inspection well
CN203420284U (en) * 2013-07-17 2014-02-05 康泰塑胶科技集团有限公司 Well base of inspection well for community
CN203960903U (en) * 2014-07-22 2014-11-26 山东文远建材科技股份有限公司 A kind of surface is provided with the plastic inspection well of netted reinforcing rib

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001182147A (en) * 1999-12-28 2001-07-03 Aron Kasei Co Ltd Basin with rib
CN202157341U (en) * 2011-07-25 2012-03-07 四川亚塑新材料有限公司 Enhanced reinforcing rib plastic inspection well
CN102367685A (en) * 2011-10-26 2012-03-07 江苏通全球工程管业有限公司 Base of inspection well
CN203420284U (en) * 2013-07-17 2014-02-05 康泰塑胶科技集团有限公司 Well base of inspection well for community
CN203960903U (en) * 2014-07-22 2014-11-26 山东文远建材科技股份有限公司 A kind of surface is provided with the plastic inspection well of netted reinforcing rib

Also Published As

Publication number Publication date
CN104452815A (en) 2015-03-25

Similar Documents

Publication Publication Date Title
CN103741671A (en) Groundwater recharge system structure for foundation pit dewatering
CN206414811U (en) A kind of segmentation discharge opeing sedimentation basin disposed waste liquid
CN103374965A (en) Venturi self-circulation negative-pressure drainage system of refuse landfill
CN207582496U (en) City integrated piping lane drain pipe system
CN105401651B (en) A kind of double-cylinder type integrated pump station
CN102261124B (en) Eccentric type curved weir intercepting well
CN104452815B (en) Plastics step-down inspection chamber
CN105926661A (en) Offshore wind power negative-pressure barrel base capable of removing soil plugs
CN203145866U (en) Secondary hole cleaning equipment for cast-in-place piles
CN105442767A (en) Siphon roof drainage system
CN208844706U (en) A kind of energy dissipating well of the pressure pipeline with automatic coupling device
CN206956917U (en) A kind of automatically cleaning pumping plant base for collecting sludge certainly
CN206385741U (en) A kind of siphon drainge system for building
CN107740438B (en) Urban comprehensive pipe gallery drainage pipe system
CN104895185A (en) Method for self-cleaning of bottom of prefabricated pump station
CN202509613U (en) Launder
CN105002980B (en) A kind of integrated pump station bottom self cleaning method
CN206015856U (en) Rotating flow is from the integrated pumping plant in clear pond
CN205935164U (en) A hydrocone type drainage filter equipment for urban road
CN107724424B (en) Drainage converging system for urban comprehensive pipe gallery
CN205935150U (en) Rain water pipe assembly
CN207484513U (en) City integrated piping lane draining convergence system
CN104963383B (en) A hydraulic automatic silting device for an inverted siphon in a pressurized water delivery pipeline
CN105464204B (en) A kind of bottom hydraulically adjustable integrated pump station
CN202081498U (en) Eccentric type curved weir intercepting well

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address

Address after: 611230 north section of Hongye Road, Chongzhou Economic Development Zone, Chengdu, Sichuan

Patentee after: Kangtai Plastic Technology Co.,Ltd.

Address before: 611230 Kangtai Plastic Technology Group Co., Ltd., North Section of Hongye Avenue, Chongzhou Economic Development Zone, Chengdu City, Sichuan Province

Patentee before: Kangtai Plastic Technology Group Co.,Ltd.

CP03 Change of name, title or address