CN107763270A - A kind of novel mass flow itself skimming formula current limliting permanent flow valve - Google Patents
A kind of novel mass flow itself skimming formula current limliting permanent flow valve Download PDFInfo
- Publication number
- CN107763270A CN107763270A CN201610701593.3A CN201610701593A CN107763270A CN 107763270 A CN107763270 A CN 107763270A CN 201610701593 A CN201610701593 A CN 201610701593A CN 107763270 A CN107763270 A CN 107763270A
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- Prior art keywords
- floating
- current
- valve core
- limiting valve
- skimming
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of novel mass flow itself skimming formula current limliting permanent flow valve, including the tubular valve pocket being coaxially disposed and tubular floating current-limiting valve core, floating current-limiting valve core lower end is stretched into valve pocket, floating current-limiting valve core and valve pocket gap coordinate, axially upper activity coordinates for floating current-limiting valve core and valve pocket, floating current-limiting valve core upper end is connected with floating body, and floating current-limiting valve core freely up and down floats with floating body.The technical problems to be solved by the invention are to replace traditional downflow weir using novel mass flow itself skimming formula current limliting permanent flow valve, effectively solve urban flooding, improve the sewage treatment capacity of sewage treatment plant.
Description
Technical field
The present invention relates to flow regulating valve door, and in particular to it is a kind of it is new can itself skimming and can make rate of discharge constant
Valve.
Background technology
These years, there occurs flood, the life of common people in even many cities including developed country in all parts of the country
Property is subject to huge destruction, and very big economic loss is caused to country.Everything is all that heavy rain is invited and must brought disaster upon.
When heavy rain occurs, the runoff rainwater on land, roof rain water etc. all conflux large-scale interim in lake, pond, pond etc.
In storing facilities of water, these storing facilities of waters filled by rainwater after be all the outside draining by the way of downflow weir, once these overflows
Water all discharges to receiving water body and sewerage system simultaneously when, receiving water body and sewerage system are in excess load shape at last
State and have little time to discharge, a large amount of rainwater pour in down a chimney city, then cause urban waterlogging phenomenon.
In addition, when heavy rain occurs, substantial amounts of runoff rainwater flows to urban sewage pipeline by catch-basin and sewage intercepting chamber,
Into sewage treatment plant, sewage treatment plant is in serious overload operation state, substantially reduce sewage treatment capacity, it is poisonous to have
Evil material discharge receiving water body, causes serious environmental pollution.
The content of the invention
The technical problems to be solved by the invention are to replace tradition using novel mass flow itself skimming formula current limliting permanent flow valve
Downflow weir, effectively solve urban flooding, improve the sewage treatment capacity of sewage treatment plant.
To achieve these goals, the technical solution adopted by the present invention is：A kind of novel mass flow itself skimming formula current limliting
Permanent flow valve, it is characterised in that：Including the tubular valve pocket being coaxially disposed and tubular floating current-limiting valve core, floating current-limiting valve core lower end is stretched
Enter in valve pocket, floating current-limiting valve core and valve pocket gap coordinate, and axially upper activity coordinates for floating current-limiting valve core and valve pocket, floats
Current-limiting valve core upper end is connected with floating body, and floating current-limiting valve core freely up and down floats with floating body.
The present invention is further arranged to, and is axially arranged with guide rod along it on the floating current-limiting valve core, valve pocket is provided with
The guide rod positioning hole coordinated with guide rod.
The present invention is further arranged to, and the floating current-limiting valve core upper end is respectively arranged on the left side and the right side connecting rod, is floated
Body is provided with two and is connected in the connecting rod of the left and right sides, and it is floating that floating current-limiting valve core front and rear sides are respectively equipped with connection two
The skimming plate of body.
The present invention is further arranged to, and is provided with flase floor on the upside of the floating current-limiting valve core, flase floor is connected to floating body
On skimming plate.
The present invention is further arranged to, and the edge of the floating current-limiting valve core lower end extends to its outside and obliquely
Current limiting plate.
In such scheme, the novel mass flow itself skimming formula current limliting permanent flow valve can be arranged on lake, pond, pond
Interior etc. large-scale interim storage (dirt) pond (simultaneously), floating body is in floating body together with the self gravitation effect of floating current limliting floating current-limiting valve core
Part is sunk in water (or other liquid), and the water inlet of the permanent flow valve is always positioned under the liquid level, water inlet with
A fixed liquid level difference is formd between liquid level, the liquid level difference is the working head of permanent flow valve.Water (or other liquid) by
The water inlet of permanent flow valve enters drainpipe, and when the liquid level rise in large-scale interim water storage (sewage) pond (well), floating body connects
Being run up with floating current limliting floating current-limiting valve core under the buoyancy of floating body, operation height is consistent with liquid level wicking height,
So that liquid level difference immobilizes, while ensure that floating body is sunk under part in water (or other liquid) all the time；When large-scale interim storage
When liquid level in water (sewage) pond (well) reduces, floating body together with floating current limliting floating current-limiting valve core under the Action of Gravity Field of itself to
Lower movement, displacement are consistent with liquid level falling head so that liquid level difference immobilizes, it is ensured that floating body is sunk under part all the time
In water (or other liquid).
According to orifice outflow flow formula：Q=CA (2gH) ^0.5, because working head H is constant, C is discharge coefficient, is
Individual constant, g are acceleration of gravity, and individual constant, and the constant i.e. aperture sectional area A in water inlet aperture is constant, so into draining
The flow Q of pipe is with regard to constant.Because the water inlet of permanent flow valve is always positioned under liquid level, so, large-scale interim water storage (sewage) pond
Floating object in (well) never enters water inlet, plays a part of itself skimming.The present invention, limited by floating body together with floating
Stream floating current-limiting valve core is raised with the rise of liquid level, reduced and reduces, and makes working head constant all the time, it is ensured that rate of discharge
Invariable, either fine day is still rained or heavy rain, and the discharge capacity in large-scale interim water storage (sewage) pond (well), which consistently achieves, to be set
Maximum emission is counted, on the one hand can mitigate the discharge load of sewerage system significantly, also makes sewage treatment plant's non-overloading fortune
OK, the volume in large-scale interim water storage (sewage) pond (well) on the other hand can be reduced, then expands land usable floor area, to preventing
Urban flooding and raising sewage treatment plant dirty removal capacities play conclusive effect, so as to reach the purpose of environmental protection.
Brief description of the drawings
Fig. 1 is the installation profile of the present invention；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the structural representation of valve pocket of the present invention；
Fig. 4 is the structural representation of floating current-limiting valve core of the present invention；
Fig. 5 is the structural representation of floating body of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Below with reference to Fig. 1 to Fig. 5, the present invention will be described.
Novel mass flow provided by the invention itself skimming formula current limliting permanent flow valve, including it is valve pocket 1, floating current-limiting valve core 2, floating
Body 3, guide rod 4, flase floor 8 and skimming plate 9.
The valve pocket 1 is hollow a cuboid or cube structure, and upper end is surrounded by 90 ° of outside flange 18, institute
State flange 18 and be provided with four apertures 13, the upper end surrounding is additionally provided with the structure of the four inside 90 ° of stretching, extensions structure and is provided with
Guide rod positioning hole 6, valve pocket 1 are closely set with the inwall of concrete catch-basin 15, and with the inwall of concrete catch-basin 15
Sealing structure is formed, and is fixed by four apertures 13 by four screws.
The floating current-limiting valve core 2 and it is one long, high, wide than valve pocket 1 long, high, wide small hollow cuboid or
Cube structure, the left side and right side of upper end are respectively equipped with two square connecting rods 12, two square connecting rods in the left side
In two square holes 14 of the floating body 3 in 12 insertion left sides, and there is screw to fix, and two of right side square connecting rods 12 are inserted
In two square holes 14 of the floating body on right side, and there is screw to fix.Distinguish on the end face of two floating bodies 3 in left and right described in fixed two pieces
Skimming plate 9.Square connecting rod 12 is consolidated provided with four guide rods to be alignd with four guide rod positioning holes 6 on valve pocket 1
Determine hole 11.The upper end of four guide rods 4 is fixed in four guide rod fixing holes 11, and the other end is determined through guide rod
Position hole 6 floating current-limiting valve core 2 is assemblied in valve pocket 1, and can make floating current-limiting valve core 2 along four guide rods 4 freely on
Lower movement, the end of four guide rods 4 are provided with stop nut 5.Between the external wall of upper portion and the inwall of valve pocket 1 of floating current-limiting valve core 2
Space constitute the water inlet 16 of the permanent flow valve.The lower end of floating current-limiting valve core 2 is surrounded by the current limiting plate 10 to external radiation,
The current limiting plate 10 constitutes the permanent flow valve water inlet 17 between the lower edge 18 and the inwall of valve pocket 1 of external radiation.
It is big that novel mass flow provided by the present invention itself skimming formula current limliting permanent flow valve can be arranged on lake, pond, pond etc.
Type is stored in (dirt) pond (well) temporarily, and floating body 3 is sunk in floating body 3 together with the self gravitation effect lower part of floating current-limiting valve core 2
In water (or other liquid), and the water inlet 16 of the permanent flow valve and the water inlet 17 be always positioned at the liquid level it
Under, it is the working water of permanent flow valve that fixed liquid level difference a H, the liquid level difference H are formd between water inlet 17 and liquid level
Head.The water (or other liquid) enters back into drainpipe 7 by the water inlet 16 of permanent flow valve via water inlet 17, when described large-scale
When liquid level in interim water storage (sewage) pond (well) raises, floating body 3 is together with floating current-limiting valve core 2 under the buoyancy of floating body 3
Run up, operation height is consistent with liquid level wicking height so that liquid level difference H immobilizes, while ensures that floating body 3 is portion all the time
Sunk under point in water (or other liquid)；When the liquid level in large-scale interim water storage (sewage) pond (well) reduces, floating body 3 is together with floating
Dynamic current-limiting valve core 2 moves down under the Action of Gravity Field of itself, and displacement is consistent with liquid level falling head so that liquid level difference H
Immobilize, it is ensured that floating body 3 is sunk under part in water (or other liquid) all the time.
The flase floor 8 is arranged on the top of the novel mass flow itself skimming formula current limliting permanent flow valve.
Advantages of the present invention and type selecting are described as follows with reference to Fig. 1, Fig. 2, the direction of arrow is rainwater or sewage in figure
Flow direction：
Checked according to documents and materials：Storm sewer and combined pipeline flowing full flow velocity are 0.75m/s
If 1 sq-km region (500m*500m), there is 70% rainfall runoff into a pond, the drop of rainfall
Rainfall is 100mm, lasts 6 hours.
(1), the calculating of rainfall：
1000m*1000m*0.1m=100000m3
Rainfall runoff to the amount in pond be 100000*70%=70000m3
(2), the determination of pool size
If pond is shaped as square, depth h=10m, then pond length of side L=83.7m.
(3) if, pond 5m depths install novel mass flow itself a skimming formula current limliting permanent flow valve, that is to say, that no matter
It is fine day or rains, pond all maintains the deep water capacities of 5m, it is assumed that the caliber of the urban discharging pipeline on the ground is DN1200,
Then the water inlet net sectional area of permanent flow valve is equal to the sectional area that caliber is DN1200, then lasts the heavy rain of 6 hours and is arranged
The amount of rainfall put is：
1.2*1.2*0.785*0.75*3600*6=18312m3
Now, the water level in pond is：(70000-18312)/83.72Overflow does not occur for=7.4m ＜ 10m, pond, cruelly
Permanent flow valve continues to discharge the rainwater capacity of pond 2.4m depth, it is necessary to which the time is after rain：83.72*2.4/1.2*1.2*
0.785*0.75*3600=5.5 hours.
Calculating process more than can be drawn the following conclusions：
1st, 100mm rainfall, it is always maximum rainfall for the ground, the novel mass flow itself skimming is installed
Both do not increase load to sewerage system after formula current limliting permanent flow valve, also do not have to make pond overflow；
2nd, 100mm rainfall, the water capacity for having 2.6m deep all the time for the pond leaves unused, so can essentially
The diameter in pond is reduced to D=71.9 rice, thus expands land usable floor area (11.8m*11.8m=139m2), create
Very big economic benefit.
3rd, the novel mass flow itself skimming formula current limliting permanent flow valve has itself skimming function, so municipal drainage will not be given
System results in blockage phenomenon, makes municipal drainage smooth, avoids flood.
4th, the determination of permanent flow valve physical dimension：
(1) inside dimension of concrete catch-basin 15 is set to 1.205m (length) * 1.205m (width) * 5m (depth)
(2) appearance and size of valve pocket 1 determines：1.205m (length) * 1.205m (width) * 5m (depth), wall thickness 3.5mm, material
For aluminium alloy, inside dimension is 1.2m (length) * 1.2m (width) * 3.5m (depth), then area S1=1.2*1.2=as shown in Figure 3
1.44m2
(3) appearance and size of floating current-limiting valve core 2 determines：
Pipeline DN1200 sectional area S0=1.2*1.2*0.875=1.13m2, S2=S1-S0=as shown in Figure 3
1.44-1.13=0.31m2, then the length of side L1=0.56m=560mm of current limiting plate lower edge 18, and the top edge length of side of current limiting plate
Desirable L2=500mm.
Novel mass flow provided by the invention itself skimming formula current limliting permanent flow valve has advantage as is evident below：
Modern design, clear principle, easy to use, both no any movable part or not any consumable accessory, without electricity
Consumption, has very high technical indicator, reliability and durability, widely uses the novel mass flow itself skimming formula current limliting permanent flow valve, both
Urban flooding can be prevented, city land usable floor area can be expanded again
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and modification can also be made, above-mentioned hypothesis these
Improvement and modification also should be regarded as protection scope of the present invention.
Claims (5)
- A kind of 1. novel mass flow itself skimming formula current limliting permanent flow valve, it is characterised in that：Including the tubular valve pocket that is coaxially disposed and Tubular floating current-limiting valve core, floating current-limiting valve core lower end are stretched into valve pocket, and floating current-limiting valve core and valve pocket gap coordinate, limit of floating Axially upper activity coordinates for flow valve core and valve pocket, and floating current-limiting valve core upper end is connected with floating body, and floating current-limiting valve core is with floating body Freely up and down float.
- A kind of 2. novel mass flow itself skimming formula current limliting permanent flow valve according to claim 1, it is characterised in that：It is described floating It is axially arranged with guide rod along it on dynamic current-limiting valve core, valve pocket is provided with the guide rod positioning hole coordinated with guide rod.
- A kind of 3. novel mass flow itself skimming formula current limliting permanent flow valve according to claim 1 or 2, it is characterised in that：Institute The connecting rod that is respectively arranged on the left side and the right side of floating current-limiting valve core upper end is stated, floating body is provided with two companies for being connected to the left and right sides On extension bar, floating current-limiting valve core front and rear sides are respectively equipped with the skimming plate of two floating bodies of connection.
- A kind of 4. novel mass flow itself skimming formula current limliting permanent flow valve according to claim 3, it is characterised in that：It is described floating Flase floor is provided with the upside of dynamic current-limiting valve core, flase floor is connected on floating body and skimming plate.
- A kind of 5. novel mass flow itself skimming formula current limliting permanent flow valve according to claim 3, it is characterised in that：It is described floating The edge of dynamic current-limiting valve core lower end is to its outside and extends current limiting plate obliquely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610701593.3A CN107763270B (en) | 2016-08-15 | 2016-08-15 | Novel large-flow self-skimming flow-limiting constant flow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610701593.3A CN107763270B (en) | 2016-08-15 | 2016-08-15 | Novel large-flow self-skimming flow-limiting constant flow valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107763270A true CN107763270A (en) | 2018-03-06 |
| CN107763270B CN107763270B (en) | 2020-07-03 |
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ID=61263954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610701593.3A Active CN107763270B (en) | 2016-08-15 | 2016-08-15 | Novel large-flow self-skimming flow-limiting constant flow valve |
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| Country | Link |
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| CN (1) | CN107763270B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006263A (en) * | 2021-02-02 | 2021-06-22 | 上海第二工业大学 | Sewage collecting well for vacuum sewage discharge system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2657488A1 (en) * | 1976-12-18 | 1978-06-22 | Schulze Oswald Kg | Water extraction equipment for reservoir - has overflow pipe supported by float and guided on stand-pipe |
| DE3601094A1 (en) * | 1986-01-16 | 1987-07-23 | Willi Dipl Ing Hoerdemann | Device for drawing off a constant water quantity from a basin |
| GB2312177A (en) * | 1996-04-17 | 1997-10-22 | Frembgen Fritz Herbert | Device for removing the surface layer of liquids |
| DE19804160A1 (en) * | 1998-02-03 | 1999-09-09 | Fresenius Chemische Und Biolog | Automatic thrust drainage appliance for clean and contaminated fluids, preferably for the sewage industry |
| DE102008049693A1 (en) * | 2008-09-19 | 2010-04-01 | Technische Universität Dresden | Adjustable water extraction device for dams and lakes, has water reservoir in pipe with height-adjustable water inlet and water outlet side |
| CN104074262A (en) * | 2014-07-11 | 2014-10-01 | 北京建筑大学 | Intelligent dirt intercepting device for rainwater inspection shaft |
-
2016
- 2016-08-15 CN CN201610701593.3A patent/CN107763270B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2657488A1 (en) * | 1976-12-18 | 1978-06-22 | Schulze Oswald Kg | Water extraction equipment for reservoir - has overflow pipe supported by float and guided on stand-pipe |
| DE3601094A1 (en) * | 1986-01-16 | 1987-07-23 | Willi Dipl Ing Hoerdemann | Device for drawing off a constant water quantity from a basin |
| GB2312177A (en) * | 1996-04-17 | 1997-10-22 | Frembgen Fritz Herbert | Device for removing the surface layer of liquids |
| DE19804160A1 (en) * | 1998-02-03 | 1999-09-09 | Fresenius Chemische Und Biolog | Automatic thrust drainage appliance for clean and contaminated fluids, preferably for the sewage industry |
| DE102008049693A1 (en) * | 2008-09-19 | 2010-04-01 | Technische Universität Dresden | Adjustable water extraction device for dams and lakes, has water reservoir in pipe with height-adjustable water inlet and water outlet side |
| CN104074262A (en) * | 2014-07-11 | 2014-10-01 | 北京建筑大学 | Intelligent dirt intercepting device for rainwater inspection shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006263A (en) * | 2021-02-02 | 2021-06-22 | 上海第二工业大学 | Sewage collecting well for vacuum sewage discharge system |
| CN113006263B (en) * | 2021-02-02 | 2024-03-08 | 上海第二工业大学 | Sewage collecting well for vacuum sewage disposal system |
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| Publication number | Publication date |
|---|---|
| CN107763270B (en) | 2020-07-03 |
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