CN105318046A - One-way valve and mud valve device capable of automatically adjusting size of valve port - Google Patents

One-way valve and mud valve device capable of automatically adjusting size of valve port Download PDF

Info

Publication number
CN105318046A
CN105318046A CN201510753057.3A CN201510753057A CN105318046A CN 105318046 A CN105318046 A CN 105318046A CN 201510753057 A CN201510753057 A CN 201510753057A CN 105318046 A CN105318046 A CN 105318046A
Authority
CN
China
Prior art keywords
valve
water tank
water
grid
spoil disposal
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.)
Granted
Application number
CN201510753057.3A
Other languages
Chinese (zh)
Other versions
CN105318046B (en
Inventor
程江琳
刘钊
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.)
Tongji University
Original Assignee
Tongji University
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 Tongji University filed Critical Tongji University
Priority to CN201510753057.3A priority Critical patent/CN105318046B/en
Publication of CN105318046A publication Critical patent/CN105318046A/en
Application granted granted Critical
Publication of CN105318046B publication Critical patent/CN105318046B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/03Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)

Abstract

A one-way valve comprises a valve bonnet rotating shaft, a one-way valve bonnet, a floating ball rotating shaft, a valve bonnet floating ball, a valve bonnet lock hook, a lock shaft and a one-way valve body. The one-way valve body is connected to the lower end of a water tank, the one-way valve bonnet and the one-way valve body are connected through the valve bonnet rotating shaft, and the one-way valve bonnet freely rotates around the valve bonnet rotating shaft. The valve bonnet lock hook and the valve bonnet floating ball are fixedly connected into a whole and are connected with the one-way valve bonnet through the floating ball rotating shaft. The lock shaft is fixedly connected to the one-way valve body, and the valve bonnet floating ball assists the one-way valve bonnet in opening and closing through the buoyancy of water in an outlet flowing speed sensing cavity. The invention further provides a mud valve device provided with the one-way valve and capable of automatically adjusting the size of a valve port. The water tank is hinged to a hinging seat through a hinging shaft, the hinging seat is fixedly connected to a bottom foundation of a regulating and storing pool, and the water tank freely rotates around the hinging shaft to achieve opening and closing of a mud valve. The one-way valve and the mud valve device have the characteristics of being simple in structure, reliable in use, convenient to mount and low in cost, allowing parameters to be easy to adjust, facilitating universality of products and the like.

Description

A kind of one-way valve and there is the soil discharging valve device of automatic regulating valve mouth size
Technical field
The invention belongs to water-treatment technology field, relate to rainwater-collecting Adjust and use technology, be separated the device controlling and administer in particular for rainwater-collecting mud.
Technical background
In rainwater-collecting and the field of improvement, rainwater storage pool technology is widely used.At present, the operation of domestic and international storm detention tank mainly reduces flood peak waterlogging, alleviates the pressure that sewage treatment works receives sewage.Part rainwater is collected between flush period, very fast by emptying for collected rainwater after heavy rain, and then storage pond base sludge is removed.If institute stores rainwater long-time storage, the large amount of organic rubbish just putrid fermentation accumulated bottom storage pond, severe contamination water quality, and then rainwater blackout is fouled, bacterial overgrowth causes rainwater of depositing in storage pond can not obtain long term storage and utilization.For solving sludge pollution quality problem, being excluded by settled sludge under retaining state is solve rainwater long-time storage to utilize the most basic method, objectively needs to research and develop the soil discharging valve device with automatic regulating valve mouth size effectively to discharge mud, retain rainwater.
Summary of the invention
The object of this invention is to provide a kind of one-way valve, and comprise the underwater drainage slurry valve device that described one-way valve has automatic regulating valve mouth magnitude function under retaining state.
For achieving the above object, technological scheme of the present invention is as follows:
A kind of one-way valve, comprise the valve gap rotating shaft cooperatively interacted, unidirectional valve gap, ball float rotating shaft, valve gap ball float, valve gap latch hook, lock shaft, check valve body, check valve body is connected to water tank lower end, unidirectional valve gap is connected by valve gap rotating shaft with check valve body, unidirectional valve gap freely rotates around valve gap rotating shaft, valve gap latch hook is fixedly connected with integral with valve gap ball float, and linked together by ball float rotating shaft and unidirectional valve gap, lock shaft is fixedly connected in check valve body, valve gap ball float under buoyancy of water, assists the keying of unidirectional valve gap in exit velocity induction cavity.
A kind of soil discharging valve device with automatic regulating valve mouth magnitude function, comprise: water tank, ventilating hole, water intake, water-inlet cavity, grid, grid comb, outlet pipe, hinged seat, hinging shaft, spoil disposal gate, spoil disposal passage, exit velocity induction cavity, above-mentioned one-way valve, mud discharging mouth, water tank is by hinging shaft and hinged seat hinge-coupled, hinged seat is fixedly connected on ground at the bottom of storage pond, and water tank freely turns round around hinging shaft and realizes the open and close of spoil disposal valve.
Further, ventilating hole is opened in the top of water tank, and one end of outlet pipe connects with ventilating hole, and it is outer and pass to balanced reservoir body internal pressure mutually with air that the other end draws storage pond near hinging shaft; Ventilating hole joint inside has the multi-direction radial through hole be evenly arranged.
Ventilating hole connects high-pressure water to carry out shot blastinog to water tank inside.
Arrange grid around water intake, grid is fixedly connected on water tank, and grid comb is fixed on ground; The comb of grid comb stretches in grid gap; Water tank drives grid when hinging shaft rotates, and the scum silica frost rubbish of filter that grid is combed will be fallen by grid combing.
Spoil disposal gate installation is at spoil disposal channel exit, exit velocity induction cavity is formed between water tank bottom and spoil disposal passage, change the aperture size of spoil disposal gate to regulate the flow stream pressure in spoil disposal flow and exit velocity induction cavity, the opening and closing of the flow stream pressure variable effect check valve of water drainage in exit velocity induction cavity.
One-way valve is opened in water tank bottom towards side, spoil disposal direction, and the clear water being convenient to water tank outflow cleans spoil disposal passage and prevents the mud of discharging from entering water tank.
Form mud discharging mouth at the bottom of water tank bottom and pond, fluctuating of water tank regulates the size of mud discharging mouth automatically, and mud discharging mouth minimum cross section area is set by height at the bottom of water tank and pond.
Owing to adopting technique scheme, the present invention has following beneficial effect:
1, under realizing unpowered retaining state, storage pond base sludge regulates discharge;
2, mud discharging mouth is controlled in less state, reduce top clear water and discharge outside pond with mud;
3, automatically regulate the size of mud discharging mouth according to the viscosity of discharge mud, effective mud is discharged and clear water interception;
4, mud discharging mouth automatically can regulate the size of mud discharging mouth under blocked state, solves plugging fault;
5, there is water intake self anti-blockage function, guarantee into water unimpeded;
6, mechanism structure is simple, and use reliable, service life is long, easy for installation, and cost is low;
7, parameter is easy to adjustment, is conducive to the generalization of product.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention soil discharging valve structure and working principle schematic diagram.
Fig. 2 is embodiment of the present invention check valve of water drainage example structure and working principle schematic diagram.
Fig. 3 is the application schematic diagram of the embodiment of the present invention in storage pond.
Figure comprises: water tank 1, ventilating hole 2, water intake 3, water-inlet cavity 4, grid 5, grid comb 6, outlet pipe 7, hinged seat 8, hinging shaft 9, spoil disposal gate 10, spoil disposal passage 11, exit velocity induction cavity 12, one-way valve 13, mud discharging mouth 14, valve gap rotating shaft 15, unidirectional valve gap 16, ball float rotating shaft 17, valve gap ball float 18, valve gap latch hook 19, lock shaft 20, check valve body 21, drive unit 22, tow rope 23, remittance mud device 24, underwater drainage slurry valve 25, sludge pump group 26.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention will be further described.
Have the soil discharging valve embodiment of automatic regulating valve mouth size under Figure 1 shows that a kind of retaining state that the present invention proposes, this soil discharging valve comprises water tank 1, ventilating hole 2, water intake 3, water-inlet cavity 4, grid 5, grid comb 6, outlet pipe 7, hinged seat 8, hinging shaft 9, spoil disposal gate 10, spoil disposal passage 11, exit velocity induction cavity 12, one-way valve 13, mud discharging mouth 14.
Water tank 1 is by hinging shaft 9 and hinged seat 8 hinge-coupled, and hinged seat 8 is fixedly connected on ground at the bottom of storage pond, and water tank 1 freely turns round around hinging shaft 9 and realizes the open and close of spoil disposal valve.
Ventilating hole 2 is opened in the top of water tank 1, and one end of outlet pipe 7 connects with ventilating hole 2, and it is outer and pass to balanced reservoir body internal pressure mutually with air that the other end draws storage pond near hinging shaft 9; Ventilating hole 2 joint inside has the multi-direction radial through hole be evenly arranged, and ventilating hole 2 can connect high-pressure water, carries out shot blastinog to water tank 1 inside.
Water intake 3 is opened in the top of water tank 1, and water intake 3 surrounding arranges grid 5, and grid 5 is welded on water tank 1, and grid comb 6 is fixed on ground; The comb of grid comb 6 stretches in grid 5 gap, and when water tank 1 drives grid 5 to rotate around hinging shaft 9, the scum silica frost rubbish of filter that grid 5 is combed will be combed 6 combings by grid and fall, and ensure the clean and unimpeded of water tank water intake.
Spoil disposal gate 10 is arranged on spoil disposal passage 11 outlet port, forms exit velocity induction cavity 12 between water tank 1 bottom and spoil disposal passage 11.Change the flow stream pressure in the adjustable spoil disposal flow of aperture size of spoil disposal gate 10 and exit velocity induction cavity 12, the flow stream pressure in exit velocity induction cavity 12 affects the opening and closing of check valve of water drainage 13.When mud discharging mouth 14 is blocked, the flow in exit velocity induction cavity 12 reduces, and pressure reduces, check valve of water drainage 13 is opened, and the water in water tank 1 is discharged from check valve of water drainage 13, and water tank rises, mud discharging mouth 14 increases, and obstruction is let pass and passed through, and the flow in exit velocity induction cavity 12 recovers normal, pressure raises, check valve of water drainage 13 is closed, and in water tank, water inlet increases, and weight increases, water tank 1 sinks, and mud discharging mouth 14 recovers normal aperture.
Check valve of water drainage 13 is opened in water tank 1 bottom towards side, spoil disposal direction, and the clear water being both convenient to water tank 1 outflow cleans spoil disposal passage, prevents again the mud of discharging from entering water tank;
Check valve of water drainage 13 comprises the valve gap rotating shaft 15 cooperatively interacted, unidirectional valve gap 16, ball float rotating shaft 17, valve gap ball float 18, valve gap latch hook 19, lock shaft 20, check valve body 21, as shown in Figure 2, check valve body 21 is connected to water tank lower end, unidirectional valve gap 15 is connected by valve gap rotating shaft 15 with check valve body 21, unidirectional valve gap 16 freely rotates around valve gap rotating shaft 15, valve gap latch hook 19 is integrally welded with valve gap ball float 18, and linked together by ball float rotating shaft 17 and unidirectional valve gap 16, lock shaft 20 is fixedly connected in check valve body 21, valve gap ball float 18 is in exit velocity induction cavity 12 under buoyancy of water, the keying of auxiliary unidirectional valve gap 16.Except in soil discharging valve of the present invention, check valve of water drainage 13 can be used for other technical field needing to realize similar functions and occasion equally.
Hinged seat 8 is fixedly connected on ground at the bottom of storage pond, and water tank 1 is by hinging shaft 9 and hinged seat 8 hinge-coupled, and water tank 1 freely can rotate around hinged seat 8; Ventilating hole 2 is opened in the top of water tank 1, and outlet pipe 7 one end connects with ventilating hole 2, and it is outer and communicate with air that the other end draws storage pond near hinging shaft 9, equilibrirm water casing internal pressure; Water intake 3 is opened in the top of water tank 1, water intake 3 surrounding arranges grid 5, grid 5 is welded on water tank 1, grid comb 6 is fixed on ground, the comb of grid comb 6 stretches in grid 5 gap, when water tank 1 drives grid 5 to rotate around hinged seat 8, the scum silica frost rubbish of filter that grid 5 is combed will be combed 6 combings by grid and fall, and ensure the clean of water tank water intake; Spoil disposal gate 10 is arranged on spoil disposal passage 11 outlet port, changes the flow stream pressure in the adjustable spoil disposal flow of aperture size of spoil disposal gate 10 and exit velocity induction cavity 12; Exit velocity induction cavity 12 is formed between water tank 1 bottom and spoil disposal passage 11; Water tank 1 and grid 5 form water-inlet cavity 4, ensure to enter water tank water source fully clean; Check valve of water drainage 13 is opened in water tank 1 bottom towards side, spoil disposal direction; Form mud discharging mouth 14 at the bottom of water tank 1 bottom and pond, fluctuating of water tank 1 regulates the size of mud discharging mouth 14 automatically, and mud discharging mouth 14 minimum cross section area sets according to water tank 1 and height at the bottom of pond.
Under storage pond retaining state, in water tank 1, fill clear water always, be in extreme lower position at the Action of Gravity Field lower header body 1 of water tank 1 deadweight and water; During spoil disposal work, open spoil disposal gate 10, mud is discharged from spoil disposal passage 11 through exit velocity induction cavity 12 under the pressure of storage pond upper water and the effect of gravity own.In the pressure at exit velocity induction cavity 12 place and water tank 1, the pressure of water is in state of equilibrium, and water tank 1 is equilibrated at desired location.When there is blocking in mud discharging mouth 14 place, fluid flow in exit velocity induction cavity 12 and spoil disposal passage 11 reduces rapidly, the pressure at exit velocity induction cavity 12 place reduces, the pressure of the water in water tank 1 is greater than the pressure at exit velocity induction cavity 12 place, and check valve of water drainage 13 is opened, and the clear water in water tank 1 is discharged, water tank 1 floats, mud discharging mouth 14 valve port is opened greatly, is blocked in mud herein or rubbish is passed through, and blocking is removed; After the flow in exit velocity induction cavity 12 rises, pressure also rises thereupon herein, and check valve of water drainage 13 is closed, and in water tank 1, water level rises, and water tank 1 again declines and gets back to state of equilibrium.
In the process that water tank 1 rises, the grid 5 be welded on water tank 1 is combed 6 with the grid be fixed on ground and relative movement is occurred, thus cleans out the rubbish be attached on grid 5, ensures the turbidity test of water in water-inlet cavity 4 and intakes unimpeded.
Ventilating hole 2 joint has the multi-direction radial through hole be evenly arranged, and ventilating hole 2 connects high-pressure water, can carry out shot blastinog to water tank 1 inside.
The openings of sizes of adjustment spoil disposal gate 10 can regulate the pressure in exit velocity induction cavity 12.
When non-spoil disposal, close spoil disposal gate 10, prevent rainwater in storage pond from revealing.
The density of material of described water tank 1 assembly and volume size, can be selected according to different situations the ability determining water tank rising and decline.
The size of described water intake 3 restriction, determines that water tank 1 replys the sensitivity level declining or rise.
Shown in Fig. 3, application example comprises: drive unit 22, tow rope 23, remittance mud device 24, underwater drainage slurry valve 25, sludge pump group 26.The mud device 24 two ends tow rope 23 that converges is connected with drive unit 22, drive unit 22 pulls remittance mud device 24 to move by tow rope 23, mud at the bottom of pond is pooled to underwater drainage slurry valve 25, and by underwater drainage slurry valve 25, mud is discharged to sewer catch basin, mud is got rid of outside sewer catch basin by sludge pump at sewer catch basin.
The above-mentioned description to embodiment can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.

Claims (9)

1. an one-way valve (13), it is characterized in that: comprise the valve gap rotating shaft (15) cooperatively interacted, unidirectional valve gap (16), ball float rotating shaft (17), valve gap ball float (18), valve gap latch hook (19), lock shaft (20), check valve body (21), check valve body (21) is connected to water tank lower end, unidirectional valve gap (16) is connected by valve gap rotating shaft (15) with check valve body (21), unidirectional valve gap (16) freely rotates around valve gap rotating shaft (15), valve gap latch hook (19) is fixedly connected with integral with valve gap ball float (18), and linked together by ball float rotating shaft (17) and unidirectional valve gap (16), lock shaft (20) is fixedly connected in check valve body (21), valve gap ball float (18) is in exit velocity induction cavity (12) under buoyancy of water, the keying of auxiliary unidirectional valve gap (16).
2. one kind has the soil discharging valve device of automatic regulating valve mouth magnitude function, it is characterized in that: comprising: water tank (1), ventilating hole (2), water intake (3), water-inlet cavity (4), grid (5), grid comb (6), outlet pipe (7), hinged seat (8), hinging shaft (9), spoil disposal gate (10), spoil disposal passage (11), exit velocity induction cavity (12), one-way valve according to claim 1 (13), mud discharging mouth (14), water tank (1) is by hinging shaft (9) and hinged seat (8) hinge-coupled, hinged seat (8) is fixedly connected on ground at the bottom of storage pond, water tank (1) freely turns round around hinging shaft (9) and realizes the open and close of spoil disposal valve.
3. the soil discharging valve device with automatic regulating valve mouth magnitude function according to claim 2, it is characterized in that: ventilating hole (2) is opened in the top of water tank (1), one end of outlet pipe (7) connects with ventilating hole (2), and it is outer and pass to balanced reservoir body internal pressure mutually with air that the other end draws storage pond near the hinging shaft (9); Ventilating hole (2) joint inside has the multi-direction radial through hole be evenly arranged.
4. the soil discharging valve device with automatic regulating valve mouth magnitude function according to claim 3, is characterized in that: ventilating hole (2) connects high-pressure water to carry out shot blastinog to water tank (1) inside.
5. the soil discharging valve device with automatic regulating valve mouth magnitude function according to claim 2, it is characterized in that: water intake (3) arranges grid (5) around, grid (5) is fixedly connected on water tank (1), and grid comb (6) is fixed on ground; The comb of grid comb (6) stretches in grid (5) gap; Water tank (1) drives grid (5) when hinging shaft (9) rotates, and the upper scum silica frost rubbish of combing filter of grid (5) will be combed (6) combing and fall by grid.
6. the soil discharging valve device with automatic regulating valve mouth magnitude function according to claim 2, it is characterized in that: spoil disposal gate (10) is arranged on spoil disposal passage (11) outlet port, exit velocity induction cavity (12) is formed between water tank (1) bottom and spoil disposal passage (11), change the aperture size of spoil disposal gate (10) to regulate the flow stream pressure in spoil disposal flow and exit velocity induction cavity (12), the opening and closing of the flow stream pressure variable effect check valve of water drainage (13) in exit velocity induction cavity (12).
7. the soil discharging valve device with automatic regulating valve mouth magnitude function according to claim 2, it is characterized in that: one-way valve (13) is opened in water tank (1) bottom towards side, spoil disposal direction, be convenient to the clear water that water tank (1) flows out and spoil disposal passage cleaned and prevents the mud of discharging from entering water tank.
8. the soil discharging valve device with automatic regulating valve mouth magnitude function according to claim 2, it is characterized in that: at the bottom of water tank (1) bottom and pond, form mud discharging mouth (14), fluctuating of water tank (1) regulates the size of mud discharging mouth (14) automatically, and mud discharging mouth (14) minimum cross section area sets according to water tank (1) and height at the bottom of pond.
9. the soil discharging valve device with automatic regulating valve mouth magnitude function according to claim 2, is characterized in that: water tank (1) assembly density of material is greater than muddy water density.
CN201510753057.3A 2015-11-09 2015-11-09 A kind of check valve and with automatically adjusting the spoil disposal valve gear of valve port size Expired - Fee Related CN105318046B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510753057.3A CN105318046B (en) 2015-11-09 2015-11-09 A kind of check valve and with automatically adjusting the spoil disposal valve gear of valve port size

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510753057.3A CN105318046B (en) 2015-11-09 2015-11-09 A kind of check valve and with automatically adjusting the spoil disposal valve gear of valve port size

Publications (2)

Publication Number Publication Date
CN105318046A true CN105318046A (en) 2016-02-10
CN105318046B CN105318046B (en) 2017-12-15

Family

ID=55246057

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510753057.3A Expired - Fee Related CN105318046B (en) 2015-11-09 2015-11-09 A kind of check valve and with automatically adjusting the spoil disposal valve gear of valve port size

Country Status (1)

Country Link
CN (1) CN105318046B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105951911A (en) * 2016-05-17 2016-09-21 同济大学 Floating cylinder mechanism with function of automatically adjusting traction magnitude and sludge gathering system
CN113007401A (en) * 2021-03-01 2021-06-22 西北工业大学 Fluid flow regulator and use method thereof
CN113175549A (en) * 2021-03-03 2021-07-27 余子义 Micro-resistance check valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1444053A (en) * 1973-05-10 1976-07-28 Klenk A Back-flow and odour trap for liquids
CN2052467U (en) * 1989-04-16 1990-02-07 黄树长 Automatic anti-overflow valve for cistern
CN203162245U (en) * 2013-01-01 2013-08-28 湖南力威液压设备有限公司 Flange connection type round right-side opening pontoon flap valve
CN203821569U (en) * 2014-02-21 2014-09-10 武汉圣禹排水系统有限公司 Structure for automatically adjusting water outlet flow of pool
CN204510435U (en) * 2015-03-15 2015-07-29 江苏建筑职业技术学院 Heavy mud odor-proof escapes inlet for stom water

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1444053A (en) * 1973-05-10 1976-07-28 Klenk A Back-flow and odour trap for liquids
CN2052467U (en) * 1989-04-16 1990-02-07 黄树长 Automatic anti-overflow valve for cistern
CN203162245U (en) * 2013-01-01 2013-08-28 湖南力威液压设备有限公司 Flange connection type round right-side opening pontoon flap valve
CN203821569U (en) * 2014-02-21 2014-09-10 武汉圣禹排水系统有限公司 Structure for automatically adjusting water outlet flow of pool
CN204510435U (en) * 2015-03-15 2015-07-29 江苏建筑职业技术学院 Heavy mud odor-proof escapes inlet for stom water

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105951911A (en) * 2016-05-17 2016-09-21 同济大学 Floating cylinder mechanism with function of automatically adjusting traction magnitude and sludge gathering system
CN113007401A (en) * 2021-03-01 2021-06-22 西北工业大学 Fluid flow regulator and use method thereof
CN113175549A (en) * 2021-03-03 2021-07-27 余子义 Micro-resistance check valve

Also Published As

Publication number Publication date
CN105318046B (en) 2017-12-15

Similar Documents

Publication Publication Date Title
CN110725383B (en) Municipal sewage treatment system and sewage treatment method thereof
CN208363235U (en) A kind of overflow well controlling the pipeline flow that shuts off by floating drum and pulley
CN105625555B (en) A kind of rainwater shunting of combined system, regulate and store and processing system
CN105569163B (en) Region burst rain processing system based on mixed flow tubulation net
CN105318046A (en) One-way valve and mud valve device capable of automatically adjusting size of valve port
CN205637036U (en) Urban street rainwater is collected to abandon to flow through and is strained storage leakage system
CN216475468U (en) Cut dirty main pipe and prevent flowing backward reposition of redundant personnel well
KR20080098988A (en) Manhole cover device
CN203334416U (en) Multifunctional sewage intercepting device
CN109763400A (en) Garden path discharge structure and its construction method with emergency drainage function
CN205637026U (en) Regional burst rainwater processing system based on mixed flow tubulation net
CN205636892U (en) Reposition of redundant personnel of regional burst rainwater, regulation and processing system based on mixed flow tubulation net
KR20120138545A (en) Non-powered flow control apparatus
CN208363234U (en) A kind of floating drum flashboard controls the overflow well for the pipeline flow that shuts off
CN209260820U (en) A kind of reservoir water intaking structure
KR101257344B1 (en) Non-electric automatic control water door
CN215759479U (en) Integrated automatic intercepting well
CN108797776A (en) A kind of check valve and the spoil disposal valve gear with automatic adjustment valve port size
CN105714912B (en) A kind of rainwater shunting of separate system, regulate and store and processing system
CN2604552Y (en) Syphon water discharging device
KR101238984B1 (en) Multi-functional floodgate
CN207582640U (en) A kind of online processing storage pond with gravity feed structure
CN113152637A (en) Integrated automatic intercepting well and intercepting method
CN205637027U (en) Reposition of redundant personnel of regional burst rainwater, regulation and processing system based on confluence tubulation net
CN211898852U (en) Sewage draining pipeline device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171215

Termination date: 20201109