CN208748745U - A kind of rain water collecting system - Google Patents

Abstract

The utility model discloses a kind of rain water collecting systems.Rain water collecting system is equipped with connecting tube (3), branch pipe (10), rainwater collection pool (4).Branch pipe is set between the bottom and connecting tube of equipment cofferdam (1) interior floor drain (2), and the outlet of connecting tube is connected with rainwater collection pool.The outside of rainwater collection pool is equipped with flow channel (11) and overflow well (5), overflow well are connected with the entrance of overflow ducts.It is separated between rainwater collection pool and flow channel with oil separating plate (8), is separated between overflow well and flow channel with overflow plate (7).Oil separating plate is equipped with water hole hole (9) in the position for being located at rainwater collection pool lower part, and the lower part of rainwater collection pool is connected to by water hole hole with the lower part of flow channel.The utility model is mainly used for the industries such as petrochemical industry, economically and efficiently collects rainwater.

Description

A kind of rain water collecting system

Technical field

The utility model belongs to environmental protection technical field, is related to a kind of rain water collecting system.

Background technique

It is first in equipment cofferdam due to run, drip, leak of device within battery limit equipment etc. in industries such as petrochemical industries Phase contaminated rain water may contain a large amount of greasy dirt, need to be collected processing to this part rainwater；The peace and quiet rainwater in later period is more clear It is clean, the peace and quiet rain water collecting system of on-site can be directly discharged into.The collection method that a kind of existing rain water collecting system uses is, It is first in equipment cofferdam by the valve transfer (manually switching or be remotely controlled switching) being located at outside equipment cofferdam on rain pipe Phase contaminated rain water is discharged into sewage farm processing by sewage network, and later period peace and quiet rainwater is directly discharged into peace and quiet rainwater-collecting system System.In a fairly large number of situation in equipment cofferdam, the system need to use many valves, and the construction investment of valve and pipe network is huge Greatly.Valve quantity is more and switching time is not easy to determine, switch valve it is cumbersome, and be easy to happen to rainwater clean level Erroneous judgement and mistakenly switch valve.

Summary of the invention

The purpose of the utility model is to provide a kind of rain water collecting systems, to solve present in existing rain water collecting system Valve quantity is more and switching time is not easy determining, switch valve cumbersome and is easy to happen to the erroneous judgement of rainwater clean level The problems such as.

To solve the above problems, the technical solution adopted in the utility model is: a kind of rain water collecting system is equipped with connection Pipe, branch pipe, rainwater collection pool, connecting tube are embedded in the below ground of device battery limit (BL), and branch pipe is set to the bottom of floor drain in equipment cofferdam Between connecting tube, the outlet of connecting tube is connected with rainwater collection pool, it is characterised in that: the outside of rainwater collection pool is equipped with flowing Channel and overflow well, overflow well are connected with the entrance of overflow ducts, and the outlet of overflow ducts is connected with peace and quiet rain water collecting system, It is separated between rainwater collection pool and flow channel with oil separating plate, is separated between overflow well and flow channel with overflow plate, oil separating plate Water hole hole is equipped in the position for being located at rainwater collection pool lower part, and water hole hole is by the lower part of rainwater collection pool and flow channel Lower part connection.

Using the utility model, with following the utility model has the advantages that the initial polluted rain water in equipment cofferdam enters rainwater collection Water-oil separating occurs after Ji Chi, the clc layer of formation is located above the initial polluted rain water for isolating greasy dirt.Oil in clc layer Dirt is barred from rainwater collection pool by oil separating plate, is isolated in the initial polluted rain water and subsequent entrance rainwater collection pool of greasy dirt Peace and quiet rainwater by water hole hole, flow channel, overflow well and overflow ducts enter peace and quiet rain water collecting system.The utility model It is not provided with valve, valve investment can be saved；It is operated without valve transfer, it may not be necessary to determine that switching time, release cut Change valve operation it is cumbersome, avoid occurring the erroneous judgement to rainwater clean level and mistakenly switch valve, realize and simplify operation.Oil Dirt is barred from rainwater collection pool, and avoidable greasy dirt is mixed into peace and quiet rainwater and enters peace and quiet rain water collecting system.A small amount of greasy dirt Enter peace and quiet rain water collecting system with the initial polluted rain water for isolating greasy dirt, without too big harm.

The utility model is mainly used for the industries such as petrochemical industry, economically and efficiently collects rainwater.

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.Attached drawing and specific reality The mode of applying is not intended to limit the range of the requires of the utility model protection.

Detailed description of the invention

Fig. 1 is the schematic diagram of the utility model rain water collecting system.

Fig. 2 is the top view of rainwater collection pool in Fig. 1, flow channel, overflow well and overflow ducts.

In Fig. 1 and Fig. 2, same reference numerals indicate identical technical characteristic.

Specific embodiment

Referring to Fig. 1 and Fig. 2, the rain water collecting system of the utility model be equipped with connecting tube 3, branch pipe 10, rainwater collection pool 4, Peace and quiet rain water collecting system.Connecting tube 3 is embedded in the ground (abbreviation ground) 13 of device battery limit (BL) hereinafter, branch pipe 10 is vertical at equipment In cofferdam 1 between the bottom of floor drain 2 and connecting tube 3, the outlet of connecting tube 3 is connected with rainwater collection pool 4.Connecting tube 3 is along floor drain 2 It is tilted down to the direction of rainwater collection pool 4.The outside of rainwater collection pool 4 is equipped with flow channel 11 and overflow well 5, rainwater-collecting The main body in pond 4, flow channel 11 and overflow well 5 is embedded in 13 or less ground.Overflow well 5 is connected with the entrance of overflow ducts 6, overflows The outlet of circulation road 6 is connected (figure omits) with peace and quiet rain water collecting system, and overflow ducts 6 are tilted down from its entrance to outlet.It overflows Circulation road 6 can be overflow ditch (figure omits), open up downwards from ground 13；Overflow ducts 6 can also be overflow pipe (such as Fig. 1 and Fig. 2 It is shown), it is embedded in 13 or less ground.Described in the utility model tilt down refers to and with respect to the horizontal plane tilts down.

Using oil separating plate 8 to separate between rainwater collection pool 4 and flow channel 11, (oil separating plate 8 is as rainwater collection pool 4 and flows One share common sidewalls in channel 11), using overflow plate 7 to separate between overflow well 5 and flow channel 11, (overflow plate 7 is as overflow well 5 With a share common sidewalls of flow channel 11).Oil separating plate 8 is equipped with water hole hole 9 in the position for being located at 4 lower part of rainwater collection pool, The lower part of rainwater collection pool 4 is connected to by water hole hole 9 with the lower part of flow channel 11.The quantity in water hole hole 9 is generally 1, It is generally rectangular in shape, generally 0.5~1 meter of height.

Equipment cofferdam 1 is set on ground 13, is arranged multiple (2 are provided that shown in Fig. 1).It is set in each equipment cofferdam 1 There are an equipment 12 and a floor drain 2.Ground 13 tilts down, and inclined direction is identical as connecting tube 3.As shown in Figure 1, rainwater collection The top in collection pond 4 is located at the lower position in ground 13, and equipment cofferdam 1 is located at the higher position in ground 13.

As shown in Fig. 2, the top view global shape of rainwater collection pool 4, flow channel 11 and overflow well 5 is rectangle, flowing Channel 11 and overflow well 5 are located at a corner of the rectangle, and flow channel 11 is between rainwater collection pool 4 and overflow well 5.Stream Dynamic channel 11 and the respective top view shapes of overflow well 5 are also rectangle.

The volume of rainwater collection pool 4 generally can accommodate the initial polluted rain water for flowing to rainwater collection pool 4, can be according to equipment The data such as quantity, area, the initial polluted rain water depth in cofferdam 1 calculate according to a conventional method.The area and depth of rainwater collection pool 4 It is sufficiently large, makes the initial polluted rain water in pond there are enough residence times to carry out water-oil separating and form clc layer.

The cross-sectional shape of various pipelines is generally circular in cross section.The nominal diameter of connecting tube 3 is generally 150~600 millimeters, slope Degree generally 1.7 ‰~10 ‰.Vertical range at the top of connecting tube 3 outlet inside wall between 7 top of overflow plate is generally 0.1~ 5 meters.When overflow ducts 6 are overflow ditch, the vertical range of entrance inner wall bottom to overhead surface 13 is generally 0.2~1 meter.It overflows When circulation road 6 is overflow pipe, the vertical range at the top of entrance inner wall to overhead surface 13 is generally 0.5~2 meter.

The method for carrying out rainwater-collecting using Fig. 1 and the utility model rain water collecting system shown in Fig. 2 is as follows.Work as rainfall When, initial polluted rain water in each equipment cofferdam 1 enters connecting tube 3 through floor drain 2 and branch pipe 10, then from the outlet of connecting tube 3 into Enter rainwater collection pool 4.Initial polluted rain water water-oil separating in rainwater collection pool 4, the clc layer of formation, which is located at, isolates greasy dirt Initial polluted rain water above.Greasy dirt in clc layer is barred from rainwater collection pool 4 by oil separating plate 8, is divided in rainwater collection pool 4 The initial polluted rain water for separating out greasy dirt enters flow channel 11 by water hole hole 9, the water in flow channel 11 and rainwater collection pool 4 Position rises together.When the water level in flow channel 11 rises to the top of overflow plate 7, initial polluted rain water collection is finished.

Rainwater then into connecting tube 3 is peace and quiet rainwater, enters rainwater collection pool 4 from the outlet of connecting tube 3, is located at oil The lower section of pollution layer, then flow channel 11 is entered by water hole hole 9.Rainwater in flow channel 11 (enters a small amount of including early stage Greasy dirt and the peace and quiet rainwater for isolating the initial polluted rain water of greasy dirt and the later period constantly enters) entered by the top of overflow plate 7 Overflow well 5.Rainwater when the water level in overflow well 5 rises to the height of 6 entrance inner wall bottom of overflow ducts, in overflow well 5 Start to enter peace and quiet rain water collecting system through overflow ducts 6.

Referring to Fig. 1, the thickness t of clc layer is generally 50~500 millimeters.The extreme higher position of clc layer upper surface and overflow plate 7 overhead height is identical, and the outlet of connecting tube 3 is located at below clc layer.

After rain stops, greasy dirt and rainwater in rainwater collection pool 4 enter sewage farm and are handled.

Claims (2)

1. a kind of rain water collecting system, is equipped with connecting tube (3), branch pipe (10), rainwater collection pool (4), connecting tube (3) is embedded in device The ground (13) of battery limit (BL) is hereinafter, branch pipe (10) between the bottom and connecting tube (3) of equipment cofferdam (1) interior floor drain (2), connects The outlet of pipe (3) is connected with rainwater collection pool (4), it is characterised in that: the outside of rainwater collection pool (4) is equipped with flow channel (11) With overflow well (5), overflow well (5) is connected with the entrance of overflow ducts (6), the outlet of overflow ducts (6) and peace and quiet rainwater-collecting System is connected, and is separated between rainwater collection pool (4) and flow channel (11) with oil separating plate (8), overflow well (5) and flow channel (11) it is separated between with overflow plate (7), oil separating plate (8) is equipped with water hole hole in the position for being located at rainwater collection pool (4) lower part (9), the lower part of rainwater collection pool (4) is connected to by water hole hole (9) with the lower part of flow channel (11).

2. rain water collecting system according to claim 1, it is characterised in that: connecting tube (3) outlet inside wall top and overflow Vertical range between at the top of plate (7) is 0.1~5 meter.