CN205348350U - Drop device and rainwater collection system - Google Patents
Drop device and rainwater collection system Download PDFInfo
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- CN205348350U CN205348350U CN201520858880.6U CN201520858880U CN205348350U CN 205348350 U CN205348350 U CN 205348350U CN 201520858880 U CN201520858880 U CN 201520858880U CN 205348350 U CN205348350 U CN 205348350U
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Abstract
The utility model provides a drop device that has exhausting function, including plunge pool, drop well, transverse passage -way, transverse passage -way check valve, still include ball -cock assembly and water supply pipe. The ball -cock assembly can be opened or close according to the liquid level variation in the drop well water supply pipe to keep the actual water level in the plunge pool to be in the benchmark water level department of retaining water, avoid the direct and plunge pool bottom striking of rainwater, reduced the quantity of the compression bubble of formation, reduced getting into the gas in the water tunnel. The utility model discloses still provide and included the rainwater collection system of drop device to the gas of sneaking into can reduce the plunge pool when collecting the rainwater in, and can in time discharge and get into the gas in the water delivery device, thereby the guard action of certain degree is played the water delivery device.
Description
Technical field
This utility model relates to a kind of water dropping device and rain water collecting system.
Background technology
According to incompletely statistics: in more than 500 city of China, more than up to 300, the city of urban waterlogging occurring, the city such as Beijing, Shanghai, Wuhan becomes the victim of urban waterlogging.Imitate the U.S., Japan and other countries construction deeper subsurface regulates and stores tunnel, and China is also added to the construction ranks in this Novel underground tunnel.Regulating and storing in tunnel drainage system in deep layer, the current of earth's surface sewerage flow into subterranean tunnel by water dropping device under gravity, finally import water processing establishment.
But, when rainwater relies on action of gravity, all inevitably entrainment partial air when dropping in hoistway vertical drop or clashing into bottom plunge pool.When the gas entered in water tunnel is too much, compression bubble can be formed in water tunnel, thus causing: (1) compression gentle body of bubble causes that the conveyance power of water of water tunnel reduces；(2) breaking of bubble of compression can impact the tube wall in tunnel, for a long time so, by destroying the structure of water tunnel, reduces its service life；(3) gas that anaerobic environment produces causes abnormal flavour and corrodes internal structure and component.Therefore must be provided with good rain water collecting system, reduce the gas content entered, and there is the water-carriage system of good exhaust function to ensure the hydraulic characteristic(s) of water tunnel system, and prevent the gas destruction to vertical shaft and tunnel.
Utility model content
Main purpose of the present utility model is to provide a kind of water dropping device with degassing function and the rain water collecting system comprising this water dropping device and method for exhausting, in order to reduce the compression gas being mixed in plunge pool, thus reducing the gas entered in water tunnel, and gas in discharge water tunnel, compression bubble is avoided to upset current, it is prevented that during setting-out bubbles burst, to destroy tunnel inner wall.
For solving above technical problem, this utility model includes following technical scheme:
A kind of water dropping device, including plunge pool and be arranged at the drop hoistway on described plunge pool, also includes:
Water supply line, described water supply line is connected with described drop hoistway；
Ball-cock assembly, is arranged in described drop hoistway, and described ball-cock assembly can be turned on or off described water supply line according to the liquid level change in drop hoistway；
And transverse passage-way, described transverse passage-way one end connects with bottom described plunge pool, the other end connects with bottom water delivery device, it is internally provided with transverse passage-way check-valves at described transverse passage-way, when water level reaches the warning line preset, described transverse passage-way check-valves is opened so that the water of described plunge pool flows into described water delivery device.
Further, described water-retention datum level is equal to the actual water level of described water delivery device.
Further, described ball-cock assembly and the described chain control of transverse passage-way check-valves.
The invention also discloses a kind of rain water collecting system, including water dropping device as above and water delivery device, described water delivery device is connected with bottom described plunge pool by described transverse passage-way.
Further, described water delivery device includes:
Water tunnel, described water tunnel connects with described transverse passage-way, in order to carry the rainwater flowed into by described water dropping device；
And air shaft, the bottom of described air shaft is communicated to described water tunnel, is from top to bottom provided with exhaust apparatus and vertical shaft check-valves in described air shaft.
Further, described water delivery device also includes capillary tube water treatment plant, and described capillary tube water treatment plant is positioned at the junction of described air shaft and described water delivery hoistway, and described vertical shaft check-valves is between described capillary tube water treatment plant and described exhaust apparatus.
Further, described capillary tube water treatment plant is provided with moisture film differential pressure controller.
Elevate above the soil certain distance at the top of air shaft described in moisture film differential pressure controller and simple harmonic oscillation device, and the top of described air shaft is provided with baffle plate, and the part that described air shaft elevates above the soil is provided with transversal ventilation mouth.
This utility model, owing to adopting above technical scheme, so as to compared with prior art, has the following advantages that and good effect:
(1) keying of water supply line is controlled by arranging ball-cock assembly, water supply line can be realized supply water to plunge pool, thus the water level of certain altitude can be ensured drop hoistway remains, avoid rainwater directly and clash into bottom plunge pool, decrease the quantity of the compression bubble of formation, decrease the gas entered in water delivery device.
(2) of substantially equal with actual water level in water tunnel by controlling water-retention datum level, so that the hydraulic pressure of transverse passage-way check-valves both sides is of substantially equal, so can extend the service life of transverse passage-way check-valves, reduce maintenance cost.
(3) by arranging exhaust apparatus in the water delivery device being connected with water dropping device, the gas in water tunnel can be discharged, make formation negative pressure in water tunnel, it is thus possible to minimizing underwater bubble, be conducive to stablizing of current, and when being prevented from compressed gas follicular rupture, cause the infringement of water tunnel inwall, can also suppress to grow anaerobic bacteria simultaneously and destroy water tunnel inwall.By arranging moisture film differential pressure controller, preset value can be set as required, automatically control the keying of exhaust apparatus and vertical shaft check-valves, it is achieved the automatization of water delivery device degassing function.By being provided with simple harmonic oscillation device, capillary tube water treatment plant can be made to produce simple harmonic oscillation, such that it is able to filter less water droplet, produce to filter better the effect of water droplet.
Accompanying drawing explanation
The vertical section structure schematic diagram of the rain water collecting system that Fig. 1 provides for this utility model one embodiment；
The cross section structure schematic diagram along A-A section as shown in Figure 1 that Fig. 2 provides for this utility model one embodiment；
The water dropping device exhaust flow path figure of the rain water collecting system that Fig. 3 provides for this utility model one embodiment；
The water delivery device exhaust flow path figure of the rain water collecting system that Fig. 4 provides for this utility model one embodiment.
Number in the figure is as follows:
Water dropping device 100；Plunge pool 200；Drop hoistway 210；Warning line 211, water-retention datum level 212, actual water level 213；Grid cover plate 220；Ball-cock assembly 230；Water supply line 240；Transverse passage-way 300, transverse passage-way check-valves 310；
Water delivery device 400；Water tunnel 410；Water level 411 in tunnel；Air shaft 420；Vent 421；Baffle plate 422；Exhaust apparatus 430；Vertical shaft check-valves 440；Capillary tube water treatment plant 450.
Detailed description of the invention
The water dropping device and the method for exhausting thereof that this utility model are provided below in conjunction with the drawings and specific embodiments are described in further detail.In conjunction with the following describes and claims, advantage of the present utility model and feature will be apparent from.It should be noted that, accompanying drawing all adopts the form simplified very much and all uses non-ratio accurately, only in order to purpose convenient, aid illustration this utility model embodiment lucidly.
Embodiment one
Referring to Fig. 1, Fig. 2, the vertical section structure schematic diagram of the rain water collecting system that Fig. 1 provides for this utility model one embodiment, Fig. 2 is the cross section structure schematic diagram along A-A section shown in Fig. 1.
This rain water collecting system includes, water dropping device 100 and water delivery device 400.Water dropping device 100 includes plunge pool 200 and is arranged at the drop hoistway 210 on this plunge pool 200；Water supply line 240, this water supply line 240 is connected with drop hoistway 210；Ball-cock assembly 230, is arranged in drop hoistway 210；And transverse passage-way 300, this transverse passage-way one end connects with bottom plunge pool 200, and the other end connects with bottom water delivery device 400, is internally provided with transverse passage-way check-valves 310 at transverse passage-way 300.Wherein, ball-cock assembly 230 can control water supply line 240 water supply start according to the liquid level change in drop hoistway 210 or stop supplying water.Wherein, when water level reaches the warning line 211 preset, transverse passage-way check-valves 310 is opened so that the water of plunge pool 200 flows into water delivery device 400.
Generally, when rainwater falls from drop hoistway 210, when directly with plunge pool 200 bottom clash into, can produce to compress blister in a large number, and pass through in the water tunnel 410 that transverse passage-way 300 enters water delivery device 400.The advantage of the present embodiment is: control the keying of water supply line 240 by arranging ball-cock assembly 230, water supply line 240 can be realized supply water to plunge pool 200, thus the water level of certain altitude can be ensured drop hoistway 210 remains, avoid rainwater directly and clash into bottom plunge pool 200, decrease the quantity of the compression bubble of formation, decrease the gas entered in water tunnel 410.
It is preferred embodiment, when the height of ball-cock assembly 230 is lower than default water-retention datum level 213, open water supply line 240, otherwise, close water supply line 240.Thus the water level 213 ensured in folded water 200 is not less than water-retention datum level 212.As an example, a kind of frame mode of ball-cock assembly 230 is, ball-cock assembly contains a ball float and a water supply valve, and water level 213 in ball float detection drop hoistway, water supply valve is responsible for the keying of water supply line 240.Citing 1, it is Mechanical course that ball-cock assembly 230 controls the mode of water supply line 240, and namely ball float and water supply valve are connected by brace therebetween, and the vertical displacement of ball float can drive the keying of water supply valve；Citing 2, it is Based Intelligent Control that ball-cock assembly 230 controls the mode of water supply line 240, according to water level 213 in the drop hoistway that ball-cock assembly 230 detects, and the relation of the warning line 211 preset, water-retention datum level 212, water supply valve can realize automatic open close.
It is preferred embodiment that water-retention datum level 212 is equal to the actual water level 411 of water delivery device 400.One of its implementation can be, transverse passage-way check-valves 310 is intelligent valve, by the pressure being positioned at water delivery device 400 side detected, thus the actual water level 411 measured in water delivery device 400, and this value is set as water-retention datum level 212.Have an advantage in that: control water-retention datum level 212 of substantially equal with actual water level 411 in water tunnel, so that the hydraulic pressure of transverse passage-way check-valves 310 both sides is of substantially equal, so can extend the service life of transverse passage-way check-valves 310, reduce maintenance cost.
It is preferred embodiment, ball-cock assembly 230 and the chain control of transverse passage-way check-valves 310.So-called chain control, refers to that described each parts start simultaneously at work or quit work, or starts working successively according to a definite sequence or quit work.Such as, when ball-cock assembly 230 is lower than water-retention datum level 212, closing transverse passage-way check-valves 310, ball-cock assembly 230 is opened water supply line 240 and is supplied water, and this is ball-cock assembly 230 and the chain control of transverse passage-way check-valves 310.
Further, water delivery device 400 includes: water tunnel 410, and this water tunnel 410 connects with transverse passage-way 300；Air shaft 420, the connection water tunnel, bottom 410 of this air shaft 420.Air shaft 420 is from top to bottom disposed with exhaust apparatus 430, vertical shaft check-valves 440.Advantage of this embodiment is that: by arranging exhaust apparatus 430, the gas in water tunnel 410 can be discharged, make to be formed in water tunnel 410 negative pressure, it is thus possible to minimizing underwater bubble, be conducive to stablizing of current, and when being prevented from compressed gas follicular rupture, cause the infringement of water tunnel 410 inwall, can also suppress to grow anaerobic bacteria simultaneously and destroy water tunnel 410 inwall；By arranging vertical shaft check-valves 440, can prevent extraneous gas from quitting work in situation at exhaust apparatus 430, enter in water tunnel 410 via air shaft 420.
Being preferred embodiment be additionally provided with capillary tube water treatment plant 450 in air shaft 420, this capillary tube water treatment plant 450 is positioned at the junction of air shaft 420 and water tunnel 410.Capillary tube in this capillary tube water treatment plant 450 is micron order, it is preferred that, capillary tube contains a large amount of main capillary tube and micron-sized capillary tube branch.Under the effect of the adhesive force of capillary wall, the steam risen in water tunnel 410, entering after in capillary tube, tiny water droplet can be attracted on tube wall, and owing to the cohesiveness of water droplet will form moisture film in capillary tube.Under the swabbing action of exhaust apparatus 430, forming hole in the middle of moisture film, the gas in water tunnel 410, by the hole in moisture film, flows through vertical shaft check-valves 440 and exhaust apparatus 430, finally discharges from the vent 421 of wind vertical shaft 120.Capillary tube water treatment plant 450 is set; have an advantage in that; moist steam can affect exhaust apparatus 430 and the usefulness of vertical shaft check-valves 440; even it is damaged; and capillary tube water treatment plant 450 filters the moisture in steam; only pass the gas through, improve exhaust apparatus 430 and the usefulness of vertical shaft check-valves 440, it has been also functioned to protective effect simultaneously.
It is preferred embodiment that capillary tube water treatment plant 450 is provided with moisture film differential pressure controller.Due to the existence of moisture film in capillary tube so that capillary tube water treatment plant 450 two ends would be likely to occur pressure reduction, this moisture film differential pressure controller can monitor the gas differential pressure △ P of capillary tube water treatment plant 450 both sides.When gas in water tunnel 410 is too much, pressure in tunnel can be made to increase so that capillary tube water treatment plant 450 is at the pressure of the one end near water tunnel 410, more than the capillary tube water treatment plant 450 pressure away from the other end of water tunnel 410.The working method of capillary tube water treatment plant 450 is: a given preset pressure △ P0, the air pressure difference △ P of capillary tube water treatment plant 450 both sides that moisture film differential pressure controller detects1, as △ P1≥△P0Time, open exhaust apparatus 430 and vertical shaft check-valves 440, discharge the gas in water tunnel 410；Along with the discharge of gas, in water tunnel 410, gas pressure intensity gradually reduces and forms negative pressure, presets gas pressure intensity P in tunnel0, it is assumed that the gas pressure intensity in the water tunnel 410 that moisture film differential pressure controller monitors is P1, work as P1≤P0Time, close vertical shaft check-valves 440 and exhaust apparatus 430.Arranging moisture film differential pressure controller advantage is, preset value can be set as required, and by relation between monitor value and the preset value of moisture film differential pressure controller, automatically control the keying of exhaust apparatus 430 and vertical shaft check-valves 440, it is achieved the automatization of water delivery device 400 degassing function.
Being preferred embodiment that capillary tube water treatment plant 450 also includes simple harmonic oscillation device, this simple harmonic oscillation device, when opening, can drive the simple harmonic oscillation of whole capillary tube water treatment plant 450, such that it is able to filter less water droplet, produces better to filter the effect of water droplet.It is preferred that the chain control each other of the simple harmonic oscillation device of capillary tube water treatment plant 450, exhaust apparatus 430 and vertical shaft check-valves 440.So-called chain control, refers to that each parts in a certain order or start simultaneously at work.Preferably opening sequence is, simple harmonic oscillation device, exhaust apparatus 430 are opened successively with vertical shaft check-valves 440；Preferably closing sequence is, vertical shaft check-valves 440, exhaust apparatus 430 are closed successively with simple harmonic oscillation device.
Additionally, for the ease of collecting rainwater, the top of drop hoistway 210 is that flaring shape is arranged.For the sake of security, and the large volume impurity in rainwater can be filtered, the top of drop hoistway 210 is provided with grid cover plate 220.
In addition, air shaft 420 is entered in order to prevent rainwater from passing through vent 421, affect the usefulness of exhaust apparatus 430, except arranging baffle plate 422 as shown in Figure 1, vent 421 can also be set to transversal ventilation mouth, can also being set to T-shaped vent, it is compared only by arranging baffle plate 122 on vertical shaft, has air draft more preferably and waterproof effect.
Embodiment two
Refer to Fig. 3, and incorporated by reference to Fig. 1, Fig. 2.The exhaust flow path figure of the water dropping device 100 of the rain water collecting system that Fig. 3 provides for this utility model one embodiment.Present embodiments provide the method for exhausting of this water dropping device 100 of the water dropping device 100 of rain water collecting system as described in embodiment one, including:
Preset warning line value H1With water-retention reference water place value H2, in drop hoistway, actual water level is H3,
Work as H2≤H3< H1Time, transverse passage-way check-valves 310 and ball-cock assembly 230 are in closed mode；
Work as H3≥H1Time, open transverse passage-way check-valves 310, rainwater flows into water delivery device 400, actual water level H in drop hoistway 210 from plunge pool 200 via transverse passage-way 3003Decline, until H3< H1Time, close transverse passage-way check-valves 310；
Work as H3< H2, ball-cock assembly 230 controls water supply line 240 and supplies water to plunge pool 200, actual water level H in drop hoistway 2103Rise, until H3=H2Time, ball-cock assembly 230 is closed so that water supply line 240 stops supplying water.
Below the present embodiment is described further.
In the present embodiment, the original state of water dropping device 100 is, water supply line 240, transverse passage-way check-valves 310 are turned off, and this corresponds to H2≤H3< H1State, only at H3≥H1Time or work as H3< H2, just can trigger the transverse passage-way check-valves 310 in described water dropping device 100 or ball-cock assembly 230.
Work as H3≥H1Time, after opening transverse passage-way check-valves 310, rainwater is discharged by plunge pool 200, therefore H3Decline, work as H3=H2Time, close transverse passage-way check-valves 310, make the water level in plunge pool 200 be near water-retention datum level 212.As an example, one of opening ways of transverse passage-way check-valves 310 is, the value H of actual water level 213 in plunge pool 2003It is in the value H of warning line 2121Time, act on the pressure of transverse passage-way check-valves 310, it is possible to force it to open；The two of opening ways are, transverse passage-way check-valves 310 is intelligent valve, and storage inside has default warning line 211 to be worth H1, transverse passage-way check-valves 310 detects the hydraulic pressure in plunge pool 200, and it is scaled the water level H in plunge pool3, work as H3≥H1Time, open transverse passage-way check-valves 310；The three of opening ways are, transverse passage-way check-valves 310 receives the value H of the actual water level 213 in the plunge pool 200 of ball-cock assembly 230 transmission3, work as H3≥H1Time, open transverse passage-way check-valves 310.
Work as H3< H2Time, ball-cock assembly 230 controls water supply line 240 and supplies water to described plunge pool 200, H3Rise, work as H3≥H2Time, ball-cock assembly 230 controls water supply line 240 and stops supplying water to plunge pool 200.As an example, a kind of frame mode of ball-cock assembly 230 is, ball-cock assembly contains a ball float and a water supply valve, and actual water level 213 in ball float detection drop hoistway, water supply valve is responsible for the keying of water supply line 240.Citing 1, it is Mechanical course that ball-cock assembly 230 controls the mode of water supply line 240, and namely ball float and water supply valve are connected by brace therebetween, and the vertical displacement of ball float can drive the keying of water supply valve；Citing 2, it is Based Intelligent Control that ball-cock assembly 230 controls the mode of water supply line 240, according to actual water level 213 in the drop hoistway that ball-cock assembly 230 detects, and the relation of the warning line 211 preset, water-retention datum level 212, water supply valve can realize automatic open close.As an example, H is worked as3With H2When difference reaches 10cm and continues 30s, ball-cock assembly 230 controls water supply line 240 and supplies water.Ball-cock assembly 230 controls the method that water supply line 240 is closed, and is similar to ball-cock assembly 230 and controls the method that water supply line 240 is opened, does not repeat them here.
This method for exhausting, transverse passage-way check-valves 310 is closed when the actual water level 213 in hoistway that drops drops to water-retention datum level 212, no longer draining, when in pond, actual water level 213 is lower than datum level, open water supply line 240 to supply water to plunge pool 200, until the actual water level 213 in plunge pool reaches water-retention datum level 212, these measures ensure that the water level of actual water level 213 in drop hoistway 210, maintain essentially in the height of water-retention datum level 212, avoid rainwater directly and clash into bottom plunge pool 200, decrease the quantity of the compression bubble of formation, decrease the gas entered in water tunnel 410.
It is preferred embodiment that the height of water-retention datum level 213 is equal to water level 411 in water tunnel.So, the hydraulic pressure of check-valves 310 both sides is of substantially equal, can extend the service life of transverse passage-way check-valves 310, reduces maintenance cost.
Please join Fig. 4, in conjunction with Fig. 1 to Fig. 3.The exhaust flow path figure of the water delivery device 400 of the rain water collecting system that Fig. 4 provides for this utility model one embodiment.The method for exhausting of the rain water collecting system as described in embodiment one, it is except having the degassing function implemented described in two, water delivery device can also be utilized to be exhausted, water delivery device 400 is connected with bottom plunge pool 200 by transverse passage-way 310, water delivery device 400 includes water tunnel 410, it is communicated in the air shaft 420 of water tunnel 410, and it is set in turn in the capillary tube water treatment plant 450 erected in 420 that ventilates from the bottom to top, vertical shaft check-valves 440 and exhaust apparatus 430, capillary tube water treatment plant 450 is close to water tunnel 410 and arranges, capillary tube water treatment plant 450 is provided with moisture film differential pressure controller, described capillary tube water treatment plant also includes simple harmonic oscillation device, utilize water delivery device 400 to be exhausted to realize as follows:
S1, presets the two ends pressure difference △ P of capillary tube water treatment plant 4500, and preset one relative to atmospheric negative pressure value P0；
S2, moisture film differential pressure controller measures capillary tube water treatment plant 450 two ends pressure difference △ P1, and measure water tunnel 410 head gas pressure values P1,
As △ P1< △ P0Time, for original state, simple harmonic oscillation device, exhaust apparatus 430 are closed with vertical shaft check-valves 440,
As △ P1≥△P0Time, sequentially or simultaneously open described simple harmonic oscillation device, exhaust apparatus 430 and vertical shaft check-valves 440, discharge portion gas in water tunnel, pressure P in water tunnel1It is gradually reduced, works as P1≤P0Time, sequentially or simultaneously close described vertical shaft check-valves 440, exhaust apparatus 430 and simple harmonic oscillation device.
Below this embodiment is described further.Wherein, △ P set in advance is stored in moisture film differential pressure controller0、P0Value.Wherein, △ P0For the capillary tube water treatment plant 450 pressure values near water tunnel 410 end, deduct the capillary tube water treatment plant 450 pressure values away from water tunnel 410 end, △ P0For on the occasion of.Wherein, P0Less than ground normal atmosphere pressure, namely when in water tunnel pressure be P0Time, in tunnel, air pressure relative ground atmospheric pressure is negative pressure.
△P0Concrete setting value, it is possible to calculate a value according to below equation, engineering reality debugged with this numerical value again, finally give most suitable numerical value.Described formula particularly as follows:
△P0=((G/ μ f)2)/(2 ρ), wherein, G represents the designing and arranging air quantity of exhaust apparatus 430, units/kg/s；μ represents the discharge coefficient of capillary tube water treatment plant 450, for constant；F represents the area of passage of capillary tube water treatment plant 450, unit m2；ρ represents the capillary tube water treatment plant 450 atmospheric density near water tunnel 410, units/kg/m3。
Moisture film differential pressure controller measures capillary tube water treatment plant 450 two ends pressure difference △ P1And water tunnel 410 top gas pressure values P1, as △ P1≥△P0Time, sequentially or simultaneously open simple harmonic oscillation device, exhaust apparatus 430 and vertical shaft check-valves 440, discharge gas in water tunnel 410.In order to reach to filter better the effect of water droplet, it may be preferable to for first opening simple harmonic oscillation device.During for avoiding opening vertical shaft check-valves 440, gas is entered water tunnel 410 by air shaft 420, compared with vertical shaft check-valves 440, it may be preferable to for first opening exhaust apparatus 430, such exhaust effect is more preferably.Simple harmonic oscillation device, exhaust apparatus 430 and vertical shaft check-valves 440 can also be opened simultaneously.Work as P1≤P0Time, sequentially or simultaneously close vertical shaft check-valves 440, exhaust apparatus 430 and simple harmonic oscillation device.Wherein, △ P1For the capillary tube water treatment plant 450 pressure values near water tunnel 410 end, deducting the capillary tube water treatment plant 450 pressure values away from water tunnel 410 end, this value is measured value.
Foregoing description is only the description to this utility model preferred embodiment; the not any restriction to this utility model scope; any change that the those of ordinary skill in this utility model field does according to the disclosure above content, modification, belong to the protection domain of claims.
Claims (8)
1. a water dropping device, including plunge pool and be arranged at the drop hoistway on described plunge pool, it is characterised in that also include:
Water supply line, described water supply line is connected with described drop hoistway；
Ball-cock assembly, is arranged in described drop hoistway, and described ball-cock assembly can be turned on or off described water supply line according to the liquid level change in drop hoistway；
And transverse passage-way, described transverse passage-way one end connects with bottom described plunge pool, the other end connects with bottom water delivery device, it is internally provided with transverse passage-way check-valves at described transverse passage-way, when water level reaches the warning line preset, described transverse passage-way check-valves is opened so that the water of described plunge pool flows into described water delivery device.
2. water dropping device as claimed in claim 1, it is characterised in that described water-retention datum level is equal to the actual water level of described water delivery device.
3. water dropping device as claimed in claim 1, it is characterised in that described ball-cock assembly and the described chain control of transverse passage-way check-valves.
4. a rain water collecting system, it is characterised in that include the water dropping device as described in any one in claim 1-3 and water delivery device, described water delivery device is connected with bottom described plunge pool by described transverse passage-way.
5. rain water collecting system as claimed in claim 4, it is characterised in that described water delivery device includes:
Water tunnel, described water tunnel connects with described transverse passage-way, in order to carry the rainwater flowed into by described water dropping device；
And air shaft, the bottom of described air shaft is communicated to described water tunnel, is from top to bottom provided with exhaust apparatus and vertical shaft check-valves in described air shaft.
6. rain water collecting system as claimed in claim 5, it is characterized in that, described water delivery device also includes capillary tube water treatment plant, described capillary tube water treatment plant is positioned at the junction of described air shaft and described water delivery hoistway, and described vertical shaft check-valves is between described capillary tube water treatment plant and described exhaust apparatus.
7. rain water collecting system as claimed in claim 6, it is characterised in that described capillary tube water treatment plant is provided with moisture film differential pressure controller.
8. rain water collecting system as claimed in claim 4, it is characterised in that elevate above the soil certain distance at the top of described air shaft, and the top of described air shaft is provided with baffle plate, and the part that described air shaft elevates above the soil is provided with transversal ventilation mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858880.6U CN205348350U (en) | 2015-10-30 | 2015-10-30 | Drop device and rainwater collection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520858880.6U CN205348350U (en) | 2015-10-30 | 2015-10-30 | Drop device and rainwater collection system |
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| CN205348350U true CN205348350U (en) | 2016-06-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256877A (en) * | 2015-10-30 | 2016-01-20 | 上海市政工程设计研究总院（集团）有限公司 | Drop device, rainwater collecting system and exhaust method of rainwater collecting system |
| CN109252577A (en) * | 2018-09-27 | 2019-01-22 | 西安建筑科技大学 | The device of the dirty direct-connected organized degasification of system of rain |
-
2015
- 2015-10-30 CN CN201520858880.6U patent/CN205348350U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256877A (en) * | 2015-10-30 | 2016-01-20 | 上海市政工程设计研究总院（集团）有限公司 | Drop device, rainwater collecting system and exhaust method of rainwater collecting system |
| CN105256877B (en) * | 2015-10-30 | 2024-03-22 | 上海市政工程设计研究总院（集团）有限公司 | Drop device, rainwater collection system and exhaust method of rainwater collection system |
| CN109252577A (en) * | 2018-09-27 | 2019-01-22 | 西安建筑科技大学 | The device of the dirty direct-connected organized degasification of system of rain |
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