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CN203821522U - Caisson secondary water discharging system with air returning pipeline - Google Patents

Caisson secondary water discharging system with air returning pipeline Download PDF

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Publication number
CN203821522U
CN203821522U CN201420219428.0U CN201420219428U CN203821522U CN 203821522 U CN203821522 U CN 203821522U CN 201420219428 U CN201420219428 U CN 201420219428U CN 203821522 U CN203821522 U CN 203821522U
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CN
China
Prior art keywords
ring waist
mouth
tube
connector
drainage system
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.)
Expired - Lifetime
Application number
CN201420219428.0U
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Chinese (zh)
Inventor
王绍法
王佳仕
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ZHEJIANG SANLENG PLASTIC Co Ltd
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ZHEJIANG SANLENG PLASTIC 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
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Priority to CN201420219428.0U priority Critical patent/CN203821522U/en
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Publication of CN203821522U publication Critical patent/CN203821522U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a caisson secondary water discharging system with an air returning pipeline. The caisson secondary water discharging system comprises an upper stand pipe, a conduction piece and a lower stand pipe which are sequentially connected from top to bottom, and further comprises a horizontal water discharging pipeline which is connected and communicated with the conduction piece, and a closestool connection pipe and a floor drain connection pipe which are connected and communicated with the horizontal water discharging pipeline, wherein an air returning pipe for communicating the conduction piece with the floor drain is arranged between the conduction piece and the floor drain. According to the caisson secondary water discharging system, the stench returning problem can be completely solved; particularly, in a washing process, air passes through the air returning pipeline to return back to the floor grain so that vacuum is not formed in the pipeline and the resistance is reduced; the containing effect on sewage is not generated so that pollution discharge is smooth, the blocking is not formed and the stench does not return.

Description

Caisson secondary drainage system with return line
Technical field
The utility model relates to architectural drainage system field, relates in particular to a kind of caisson secondary drainage system with return line.
Background technology
The toilet drainage of industry or housing construction, traditional is adopts lower drainage system, adopts interlayer draining, and branch drain must run through floor, and arm is horizontal to be hung on the ceiling of lower one deck resident family and to be connected with standpipe.So not only occupied other people resident family space, affected washroom indoor attractive in appearance, particularly each sanitary apparatus must add that one " P " is curved or " S " is curved realizes water seal, the curved water seal of these old-fashioned " P " curved water seals curved and old-fashioned " S " is curved is the place of the most easily stopping up seepage, maintenance is also inconvenient, once seepage will cause unnecessary property loss to resident family.
Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD) always emphasizes co-layer draining, and co-layer draining also will become the trend of future architecture draining.The co-layer draining of prior art washroom adopts caisson type more, in engineering, custom claims " caisson ", it is subsided rest room, finger forms " caisson " by washroom structure partial or whole sinking from corresponding flooring certain altitude when main body is built, so that the horizontal drainage pipeline of washroom (hereinafter to be referred as: horizontal water tube) imbed wherein, then use light material backfill.Yet the defect of existing caisson type washroom is:
One, as in construction link misoperations such as civil engineering, equipment installation, decoration constructions, there will be caisson backfill layer ponding problem, thereby caisson is leaked or produce caisson ponding problem;
Two, as pipe burst, each junction is not in place or joint not firmly leaks, gutter stops up ground artificial and the problem such as do not dredge, must pry open floor could solve,
Three, lavatory pan is the chief component of every household washroom, lavatory pan is divided into two kinds of toilet and pans, in the drainage system of existing technology, the deodorization of lavatory pan is to rely on the water seal of trap in pipeline to realize, for most of pan, originally just there is no trap, in use procedure, if the too small or too low meeting of hydraulic pressure causes dirt row not to the utmost, just entirely distribute foul smell out and when rinsing, pipe fitting front end in transverse drainage branch pipe forms Resistance Level, in rear end, but form a region of no pressure, sewage is played certain restraining function and affects filth-discharging effect, result in blockage and seepage, after each use, must strengthen discharging quantity of water, generally 10~16 liters of need or above water just can be rinsed well, 6 raising of indices that substantially exceeded national regulation are accurate, this with advocate energetically energy-saving and cost-reducing current, completely disproportionate.
Hence one can see that, and back foul and caisson secondary draining processing problem have become affects the main cause that co-layer draining is applied.
Utility model content
In view of this, technical problem to be solved in the utility model is: a kind of caisson secondary drainage system with return line that can thoroughly solve back foul problem is provided.
In order to achieve the above object, the utility model adopts following technical scheme to realize:
A kind of caisson secondary drainage system with return line, comprise the upper riser, conduction element and the lower standing tube that connect successively and be communicated with from top to bottom, also comprise the horizontal drainage pipeline that is connected and is communicated with described conduction element, be connected with described horizontal drainage pipeline and be communicated with toilet access tube and floor drain access tube, wherein, between described conduction element and floor drain access tube, be connected with connection muffler each other.
As preferably, described horizontal drainage pipeline comprises main line and bye-pass, described conduction element is for having top mouthful, Di Kou and two sides are opened the four-way part of horizontal mouthful, the top mouth of described four-way part is connected with the end mouth of described upper riser, the end mouth of described four-way part is connected with the top mouth of described lower standing tube, a side of described four-way part is opened horizontal mouthful and is connected with one end of described main line, the other end of described main line is connected with described toilet access tube, one end of described bye-pass is connected with described main line, the other end is connected with one end of described muffler, the other end of described muffler is opened horizontal mouthful with another side of described four-way part and is connected, described floor drain access tube is connected with described bye-pass.
As preferably, described main line is connected by the first three-way piece with described bye-pass, and described bye-pass is connected by the second three-way piece with described floor drain access tube.
As preferably, also comprise the standpipe tube connector being connected between described conduction element and lower standing tube, on described standpipe tube connector, there is ingress pipe connector and be connected with the end mouth of described conduction element by described ingress pipe connector, under have delivery line connector and be connected with the top mouth of described lower standing tube by described delivery line connector, described standpipe tube connector is for outwards extending ring waist seat and offer the structure of ring waist leakage introduction channel on described ring waist seat around self stage casing, described ring waist leakage introduction channel comprises the ring waist leakage collection mouthful of being located on described ring waist seat end face, in described ring waist leakage, collect the ring waist leakage introducing port that mouthful below passes into described standpipe tube connector, be connected in described ring waist leakage and collect the ring waist leakage diversion cavity between mouth and ring waist leakage introducing port, described standpipe tube connector in the position of the corresponding described ring waist leakage introducing port of inwall top, be provided with in order to block under water pour in down a chimney the water conservancy diversion gear of described ring waist leakage introducing port.
As preferably, described ring waist leakage introduction channel is that stage casing has the curved passage of water seal.
As preferably, described ring waist seat ring is concaved with ring gain around self outside.
As preferably, described standpipe tube connector in described delivery line connector end outwards extend mouth of pipe eaves and on described mouth of pipe eaves uniform be provided with some using for screw and wear and hang fixing screw.
As preferably, on described ring waist leakage collection mouth, be stamped strippable over cap.
As preferably, described ring waist leakage is collected mouthful as being equidistantly distributed on some up big and down small tapered mouthful on described ring waist seat.
As preferably, described standpipe tube connector is gluedd joint and is formed each other by the upper and lower two-section moulding cutting from described ring waist seat stage casing minute.
As shown from the above technical solution, the beneficial effects of the utility model are:
Compared to existing technology, the utility model can thoroughly solve back foul problem, particularly, during flushing, air cooled via return air pipeline is got back to floor drain, makes pipe interior can not form vacuum, reduce resistance, to sewage, can not produce restraining function, make blowdown smooth and easy, do not stop up, not back foul.In the utility model, return line and water seal kinking structure have jointly thoroughly solved crouching formula, seat type toilet and common floor drain, have washed the problem of the back foul gas in drainage procedure such as sanitary equipment, owing to adopting the reducing cross pipe fitting of reducing to connect, water is minimum, can reach certain degree of filling, in flushing process, due to the water-head between pipeline import and export, can produce siphonage, water during blowdown and dirt running resistance are little, and relatively original drainage using water wisely is more than 60%.The automatic drain system that adopts the same layer installation of this structure, during mount pad closet, it installs maximum height Hy is 150~200mm; When pan is installed, it installs maximum height Hy is 250~300mm.Conserve space height, the backfill of saving packed layer, reduction surrounding circle depth of beam, thus the load of floor and the construction cost of building structure alleviated.
In addition, the utility model can also thoroughly solve co-layer draining caisson secondary drainage problem, particularly, standpipe tube connector in order to socket joint between this floor and the soil stack of lower floor, thus, percolating water in caisson can be entered in standpipe tube connector and then be led back in standpipe by the ring waist leakage introduction channel of standpipe tube connector through the water conservancy diversion of waterproofing course at the bottom of caisson type washroom, thereby solves the problem of caisson secondary draining.Standpipe tube connector only need be arranged in the embedded hole of architectural design in the building operations stage before pipeline connects, without separately by floor Durchgangshohle, drainage system of the present utility model is simple in structure, reasonable in design, the application of the co-layer draining of making greater efforts to promote, so, be convenient to back layer draining and the draining of caisson secondary and dredging, benefit the people, benefit society.Particularly, it also comprises following advantage:
1, House Property is distinct: toilet drainage pipe-line system is arranged in this layer of owner family, and pipeline maintenance can be carried out in the distant relative, does not disturb resident family of lower floor;
2, the layout of sanitary apparatus is unrestricted: because there is no the drainage pipe preformed hole of sanitary apparatus on floor, user can freely arrange the position of sanitary apparatus, meet the requirement of sanitaryware personalization, developer can provide washroom diversified layout general layout, has improved the grade in house;
3, drainage noise is little: gutter is arranged on floor, after being covered, is had good soundproof effect by backfill bed course, and packed layer includes lightweight and the good inserts of soundproof effect, thereby drainage noise reduces greatly;
4, percolating water probability is little: bathroom floor, not by sanitary apparatus Pipeline Crossing Program, has reduced the probability of percolating water, also can effectively prevent the spread of disease.
Accompanying drawing explanation
Fig. 1 is the example structure schematic diagram 1 of drainage system of the present utility model.
Fig. 2 is the annexation schematic diagram between each pipeline in the utility model.
Fig. 3 be the utility model neutral tube tube connector partly cut open structural representation Fig. 1.
Fig. 4 be the utility model neutral tube tube connector partly cut open structural representation Fig. 2.
Fig. 5 is that the over cap of the utility model neutral tube connection pipe ring waist leakage collection mouth partly cuts open structural representation.
Fig. 6 be on the utility model neutral tube tube connector, cut moulding partly cut open structural representation.
Fig. 7 be the lower section moulding of the utility model neutral tube tube connector partly cut open structural representation.
A, cast-in-situ floor; B, decorative cover;
C, face waterproofing course; D, packed layer;
E, end waterproofing course; 1n, this floor standpipe;
1m, lower floor standpipe; 2, standpipe tube connector;
2.1, ring gain; 2.1.1, cut down moulding;
2.1.2, above cut moulding; 2.2, protective cover;
3, conduction element; 4, horizontal water tube;
Mouth is collected in K, the leakage of ring waist; L, screw;
100, main line; 104, bye-pass;
105, the first three-way piece; 106, muffler;
103, the second three-way piece; 101, closet;
102, floor drain;
The specific embodiment
In order to make those skilled in the art can further understand feature of the present utility model and technology contents, refer to following about detailed description of the present utility model and accompanying drawing.
Refer to shown in Fig. 1 to Fig. 6, the utility model provides a kind of caisson secondary drainage system with return line, comprise the upper riser that connects successively and be communicated with from top to bottom, conduction element and lower standing tube, also comprise the horizontal drainage pipeline that is connected and is communicated with described conduction element 3, be connected with described horizontal drainage pipeline and be communicated with toilet access tube and floor drain access tube, wherein, between described conduction element and floor drain access tube, be connected with connection muffler 106 each other, described horizontal drainage pipeline comprises main line 100 and bye-pass 104, described conduction element is for having top mouthful, Di Kou and two sides are opened the four-way part of horizontal mouthful, the top mouth of described four-way part is connected with the end mouth of described upper riser, the end mouth of described four-way part is connected with the top mouth of described lower standing tube, a side of described four-way part is opened horizontal mouthful and is connected with one end of described main line, the other end of described main line is connected with described toilet access tube, one end of described bye-pass is connected with described main line, the other end is connected with one end of described muffler, the other end of described muffler is opened horizontal mouthful with another side of described four-way part and is connected, described floor drain access tube is connected with described bye-pass, described main line is connected by the first three-way piece 105 with described bye-pass, described bye-pass is connected by the second three-way piece 103 with described floor drain access tube, also comprise the standpipe tube connector 2 being connected between described conduction element and lower standing tube, on described standpipe tube connector, there is ingress pipe connector and be connected with the end mouth of described conduction element by described ingress pipe connector, under have delivery line connector and be connected with the top mouth of described lower standing tube by described delivery line connector, described standpipe tube connector is for outwards extending ring waist seat and offer the structure of ring waist leakage introduction channel on described ring waist seat around self stage casing, described ring waist leakage introduction channel comprises a ring waist leakage collection mouthful K who is located on described ring waist seat end face, in described ring waist leakage, collect the ring waist leakage introducing port that mouthful below passes into described standpipe tube connector, be connected in described ring waist leakage and collect the ring waist leakage diversion cavity between mouth and ring waist leakage introducing port, described standpipe tube connector in the position of the corresponding described ring waist leakage introducing port of inwall top, be provided with in order to block under water pour in down a chimney the water conservancy diversion gear of described ring waist leakage introducing port, described ring waist leakage introduction channel is that stage casing has the curved passage of water seal, described ring waist seat ring is concaved with ring gain 2.1 outside self, described standpipe tube connector in described delivery line connector end outwards extend mouth of pipe eaves and on described mouth of pipe eaves uniform be provided with some using for screw and wear and hang fixing screw L, described ring waist leakage is collected on mouth and is stamped strippable over cap 2.2, described ring waist leakage is collected mouth for being equidistantly distributed on the some up big and down small tapered mouth on described ring waist seat, described standpipe tube connector is upper by what cut from described ring waist seat stage casing minute, lower two-section moulding 2.1.2, 2.1.1 glued joint, form each other.The effect that the utility model neutral tube connects the middle over cap of pipe ring waist leakage collection mouth is before engineering drainage pipeline construction; prevent that sandstone from falling in ring waist leakage introduction channel; after Construction of sewer, can wipe out, the material of over cap can be cardboard, plastic cement or rubber.
Refer to shown in Fig. 1, drainage system of the present utility model, in the packed layer D of its horizontal water tube 4 between cast-in-situ floor A and decorative cover B, standpipe tube connector is connected between the conduction element 3 and lower floor standpipe 1m that this layer of standpipe 1n is housed, the Centronics port of conduction element 3 connects horizontal water tube 4, equipment and structure setting in conjunction with washroom, with comprising closet 101 in layer washroom, floor drain 102, wash sanitary equipment etc., its lower port is all connected on horizontal water tube, as required, horizontal water tube can be provided with again in conplane some branched pipes, and horizontal water tube and branched pipe thereof are all in packed layer D, if there is water pipe crack, not in place or the joint in each junction is not firm etc. and produce percolating water, percolating water can be by end waterproofing course E slope following current to the ring waist seat in standpipe tube connector and realize secondary draining by ring waist leakage introduction channel.
Refer to shown in Fig. 1 to Fig. 6, the surrounding of end waterproofing course E, all higher than standpipe preformed hole Φ, to the process that flows to of issuable caisson percolating water is: via slope → ring waist leakage of end waterproofing course E, collect to encircle in mouthful K → " S type " passage and in ring chamber → " S type " passage that a waist leakage diversion cavity intersegmental gap is ▲ 1, encircle that in ring chamber → " S type " passage that gap, waist leakage diversion cavity stage casing is ▲ 2, to encircle ring chamber → standpipe tube connector main channel that waist leakage diversion cavity latter end gap is ▲ 3 be that axle center hole Φ 2 → lower floor standpipe 1m completes secondary draining.The related standpipe tube connector main channel of the process that flows to of percolating water is axle center hole Φ 2 sizes: to the soil stack of specification Φ 110, be Φ 90~110mm; To the soil stack of specification Φ 160, be Φ 140~160mm, related each section of annular distance gap ▲ 1 of ring waist leakage diversion cavity, ▲ 2 and ▲ 3: specification Φ 110 and Φ 160 are followed successively by 4~8mm, 3~7mm and 3~5mm for soil stack, the flow direction of percolating water is as shown in the dotted line direction in Fig. 2, the water seal of horizontal " S type " passage bends up water seal effect, can prevent that secondary draining foul smell is return.
In standpipe tube connector, as ring, waist leakage is collected mouthful tapered mouthful can be several, tens can be also tapered mouthful of up to a hundred the even more taperings Φ 3~7mm that are 1: 10, simultaneously according to standpipe specification difference and quantity not etc.; Ring waist seat end face matches to the height of standpipe tube connector bottom and the thickness Hx of existing floor, and slab thickness Hx commonly uses as 80mm, 90mm and 100mm; The main channel of standpipe tube connector is the size of axle center hole: Φ 110 soil stacks are Φ 90~110mm, to Φ 160 soil stacks, are Φ 140~160mm; Ring waist leakage introduction channel is that stage casing has water seal curved horizontal " S type " or the passage of " kettle shape ", it is the secondary drainage channel that passes into lower floor soil stack, it also communicates with lower floor building soil stack by 2~5 coniform hole Y, water seal is curved can play water seal sealing function, thereby can prevent that secondary draining foul smell is return, adopt the passage of horizontal " S type " structure, the spacing of three sections of passages that itself is connected is 3~8mm; Ring gain on ring waist seat outside can self prevent in the process of caisson that the issuable infiltration of this floor work progress standpipe tube connector external surface of postponing from flowing into lower floor pre-buried, also be more conducive to be combined with concrete simultaneously, its grooved is " U " shape, and groove width is that 3~5mm, groove depth are 10~15mm; Cut down delivery line connector Φ B that moulding 2.1.1 is connected with lower floor standpipe 1 socket joint and socket joint depth H 13 according to the regulation of GB/T5836.1-2006; Upper cut the ingress pipe connector external cylindrical surface Φ A that moulding 2.1.2 and three-way piece 3 accept and accept depth H A according to the regulation of GB/T5836.2-2006; Such Homofloor drainage system, when installation closet is toilet, its setting height(from bottom) Hy is 150~200mm; When installation closet is pan, its setting height(from bottom) Hy is 250~300mm.
The main points of the utility model aspect installation flow operations are:
1,, before engineering drainage pipeline construction, standpipe tube connector 2 is embedded in the preformed hole Φ of every layer of cast-in-situ floor A, preformed hole Φ size: standpipe specification Φ 110 is Φ 210mm; Standpipe specification Φ 160 is Φ 260mm.
2, when cast-in-situ floor A, this floor standpipe and lower floor standpipe are adjusted after relative position, and the screw L of standpipe tube connector 2 4~8 the uniform circumference in bottom is screwed on cast-in-situ floor A.
3, at the bottom of must heavy sound, waterproofing course E has the gradient and smooth, and the end face of guaranteeing to encircle in standpipe tube connector waist seat is k level, must do retaining and within 24 hours, tests and meet norm of construction, and over cap 2.2, after finishing waterproof test, is cut off with scissors.
4, the space between cast-in-situ floor A and standpipe tube connector 2, stops up and tamps with expansive cement layering; The surrounding that collects mouthful K in ring waist leakage stacks gravel or the haydite that diameter is greater than 20mm and covers, and stacks and is highly greater than 50mm, treats that tool certain thickness uses the inserts backfill packed layer D that slag, lightweight and soundproof effect are good again.
If 5 to maximum layer building, reducing down stream tee joint 3 can change the reducing elbow of Φ 110 or Φ 160 into; Along with people improve the requirement of house grade, prevent that more issuable foul smell is return, that terminal in the pipeline of horizontal water tube 4 is installed stack, and reducing down stream tee joint 3 can adopt three-dimensional four-way, and the other end of institute's installation stack is connected with the another port of three-dimensional four-way.
The soil stack of industry or housing construction, general requirements is Φ 110~160mm, the physical dimension of standpipe tube connector corresponding construction, for convenience's sake, the following size list (mm of unit) of reference:
But the foregoing is only better possible embodiments of the present utility model, not in order to limit to patent of the present utility model garden, enclose, therefore the equivalent structure that all utilization the utility model manuals and accompanying drawing content are done changes, be all in like manner included in scope of the present utility model.

Claims (10)

1. the caisson secondary drainage system with return line, comprise the upper riser, conduction element and the lower standing tube that connect successively and be communicated with from top to bottom, also comprise the horizontal drainage pipeline that is connected and is communicated with described conduction element, be connected with described horizontal drainage pipeline and be communicated with toilet access tube and floor drain access tube, it is characterized in that, between described conduction element and floor drain access tube, be connected with connection muffler each other.
2. the caisson secondary drainage system with return line as claimed in claim 1, it is characterized in that, described horizontal drainage pipeline comprises main line and bye-pass, described conduction element is for having top mouthful, Di Kou and two sides are opened the four-way part of horizontal mouthful, the top mouth of described four-way part is connected with the end mouth of described upper riser, the end mouth of described four-way part is connected with the top mouth of described lower standing tube, a side of described four-way part is opened horizontal mouthful and is connected with one end of described main line, the other end of described main line is connected with described toilet access tube, one end of described bye-pass is connected with described main line, the other end is connected with one end of described muffler, the other end of described muffler is opened horizontal mouthful with another side of described four-way part and is connected, described floor drain access tube is connected with described bye-pass.
3. the caisson secondary drainage system with return line as claimed in claim 2, is characterized in that, described main line is connected by the first three-way piece with described bye-pass, and described bye-pass is connected by the second three-way piece with described floor drain access tube.
4. as claimed any one in claims 1 to 3 with the caisson secondary drainage system of return line, it is characterized in that, also comprise the standpipe tube connector being connected between described conduction element and lower standing tube, on described standpipe tube connector, there is ingress pipe connector and be connected with the end mouth of described conduction element by described ingress pipe connector, under have delivery line connector and be connected with the top mouth of described lower standing tube by described delivery line connector, described standpipe tube connector is for outwards extending ring waist seat and offer the structure of ring waist leakage introduction channel on described ring waist seat around self stage casing, described ring waist leakage introduction channel comprises the ring waist leakage collection mouthful of being located on described ring waist seat end face, in described ring waist leakage, collect the ring waist leakage introducing port that mouthful below passes into described standpipe tube connector, be connected in described ring waist leakage and collect the ring waist leakage diversion cavity between mouth and ring waist leakage introducing port, described standpipe tube connector in the position of the corresponding described ring waist leakage introducing port of inwall top, be provided with in order to block under water pour in down a chimney the water conservancy diversion gear of described ring waist leakage introducing port.
5. the caisson secondary drainage system with return line as claimed in claim 4, is characterized in that, described ring waist leakage introduction channel is that stage casing has the curved passage of water seal.
6. the caisson secondary drainage system with return line as claimed in claim 5, is characterized in that, described ring waist seat ring is concaved with ring gain outside self.
7. the caisson secondary drainage system with return line as claimed in claim 6, it is characterized in that, described standpipe tube connector in described delivery line connector end outwards extend mouth of pipe eaves and on described mouth of pipe eaves uniform be provided with some using for screw and wear and hang fixing screw.
8. the caisson secondary drainage system with return line as claimed in claim 7, is characterized in that, described ring waist leakage is collected on mouth and is stamped strippable over cap.
9. the caisson secondary drainage system with return line as claimed in claim 8, is characterized in that, described ring waist leakage is collected mouth for being equidistantly distributed on the some up big and down small tapered mouth on described ring waist seat.
10. the caisson secondary drainage system with return line as claimed in claim 9, is characterized in that, described standpipe tube connector is gluedd joint and formed each other by the upper and lower two-section moulding cutting from described ring waist seat stage casing minute.
CN201420219428.0U 2014-04-16 2014-04-16 Caisson secondary water discharging system with air returning pipeline Expired - Lifetime CN203821522U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111549884A (en) * 2020-06-04 2020-08-18 重庆长江管道泵阀有限公司 Drainage deodorization pipeline connector
CN113513061A (en) * 2021-04-18 2021-10-19 北京首钢国际工程技术有限公司 Safety device for air separation low-temperature liquid discharge system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111549884A (en) * 2020-06-04 2020-08-18 重庆长江管道泵阀有限公司 Drainage deodorization pipeline connector
CN113513061A (en) * 2021-04-18 2021-10-19 北京首钢国际工程技术有限公司 Safety device for air separation low-temperature liquid discharge system

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C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Caisson secondary water discharging system with air returning pipeline

Effective date of registration: 20180115

Granted publication date: 20140910

Pledgee: Bank of Beijing Limited by Share Ltd. Quzhou branch

Pledgor: ZHEJIANG SANLENG PLASTIC Co.,Ltd.

Registration number: 2018330000013

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20190111

Granted publication date: 20140910

Pledgee: Bank of Beijing Limited by Share Ltd. Quzhou branch

Pledgor: ZHEJIANG SANLENG PLASTIC Co.,Ltd.

Registration number: 2018330000013

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Caisson secondary water discharging system with air returning pipeline

Effective date of registration: 20190115

Granted publication date: 20140910

Pledgee: Bank of Beijing Limited by Share Ltd. Quzhou branch

Pledgor: ZHEJIANG SANLENG PLASTIC Co.,Ltd.

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CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140910