CN209958472U - Automatic collection and switching system for initial rainwater in pollution area of chemical plant - Google Patents
Automatic collection and switching system for initial rainwater in pollution area of chemical plant Download PDFInfo
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- CN209958472U CN209958472U CN201920468425.3U CN201920468425U CN209958472U CN 209958472 U CN209958472 U CN 209958472U CN 201920468425 U CN201920468425 U CN 201920468425U CN 209958472 U CN209958472 U CN 209958472U
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- rainwater
- waste water
- water collecting
- overflow weir
- ditch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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Abstract
The utility model discloses a chemical plant contaminated area initial stage rainwater automatic collection and switched systems, including the rainwater ditch that is used for collecting rainwater in the chemical pollution device be provided with the overflow weir of take the altitude in the rainwater ditch side is provided with the waste water collecting tank, the waste water collecting tank before the overflow weir with the rainwater ditch intercommunication, the initial stage rainwater in the chemical pollution device collects the back through the rainwater ditch under the stopping of overflow weir, the flow gets into the waste water collecting tank that flows automatically, rises to the high back of overflow weir in the waste water collecting tank, and the clean rainwater in later stage overturns the overflow weir, and the flow gets into later stage rainwater collecting pipe. The utility model discloses mainly improve on former valve switched systems's basis, compare with traditional valve switched systems, cancelled underground sewer piping system completely, also cancelled underground valve switched systems simultaneously, collect the initial stage rainwater through the waste water collecting pit to the automatic switch-over of initial stage rainwater and later stage rainwater is realized to the overflow weir through in the rainwater ditch.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry, in particular to system suitable for initial stage rainwater automatic collection and initial stage rainwater and later stage rainwater switch separation in the chemical plant pollution device district.
Background
In recent decades, the applicant has completed the design of a plurality of domestic large-scale chemical devices, and at present, the design of a primary polluted rainwater switching and collecting system in a chemical polluted device area is generally switched by adopting an underground valve, primary rainwater is collected to a plant sewage treatment device through an underground sewage pipeline, and later rainwater is discharged after being switched to a rainwater collecting pipe network. The following technical problems mainly exist in the practical application of the switching system: 1. the underground switching valve and the sewage pipeline occupy larger area, which is not beneficial to the compact arrangement of the device; 2. when raining, workers need to go to an underground valve well to operate the valve, and the switching time point is manually controlled; 3. when the sewage is conveyed by an underground pipeline, an anti-seepage measure needs to be considered.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: aiming at the problems, the automatic collection and switching system for the initial rainwater in the pollution area of the chemical plant, which can meet the requirement of environmental protection on the collection of the initial rainwater, is provided.
The technical scheme of the utility model is realized like this: the utility model provides a chemical plant pollutes district initial stage rainwater automatic collection and switched systems, includes the rainwater ditch that is used for collecting the interior rainwater of chemical pollution device, its characterized in that: be provided with the overflow weir of take the altitude in the rainwater ditch side is provided with the waste water collecting pit, the waste water collecting pit communicates with the rainwater ditch before the overflow weir, the initial stage rainwater in the chemical industry pollution devices collects the back through the rainwater ditch under the blockking of overflow weir, the flowing automatically gets into the waste water collecting pit, rises to overflow weir height back until water level in the waste water collecting pit, and the clean rainwater in later stage overturns the overflow weir, and the flowing automatically gets into later stage rainwater collecting pipe.
Chemical plant contaminated area initial stage rainwater automatic collection and switched systems, its waste water collecting tank is sunken underground structure waste water collecting tank upper end is provided with the lid, be equipped with low level exit linkage waste water collecting tank before the overflow weir that the rainwater ditch end set up.
Chemical plant contaminated area initial stage rainwater automatic collection and switched systems, its the sewage duct connection that waste water collecting tank and ground set up, the initial stage rainwater that collects in the waste water collecting tank is through the pump promotion back, carries to the sewage treatment station through pressure pipeline and handles.
The utility model discloses mainly improve on former valve switched systems's basis, compare with traditional valve switched systems, underground sewage pipe-line system has been cancelled completely, underground valve switched systems has also been cancelled simultaneously, collect the initial stage rainwater through the waste water collecting pit, and realize the automatic switch-over of initial stage rainwater and later stage rainwater through the overflow weir in the rainwater ditch, and thus, in the factory production operation, need not the workman and switch underground formula diverter valve when rainfall at every turn, also can avoid the seepage risk that long distance underground formula sewage collecting pipe produced simultaneously. The utility model discloses do not establish switching equipment such as pipeline, valve, the system design principle is simple, and the operation is simple, wholly arranges the compactness, and area is little, and the operation is reliable moreover, energy-conserving, save the investment, is applicable to all mills or the device that need collect the contaminated rainwater, has effectively solved the drawback in the original valve switching design, has realized initial stage rainwater automatic switch-over and has collected.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figure are: 1 is a rain ditch, 2 is an overflow weir, 3 is a waste water collecting tank, and 4 is a low-level outlet.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a chemical plant contaminated area initial stage rainwater automatic collection and switched systems, including rainwater ditch 1 that is used for collecting the interior rainwater of chemical pollution device be provided with overflow weir 2 of a take the altitude in rainwater ditch 1, the degree of depth that highly is less than the rainwater ditch of overflow weir, in this embodiment, 200mm at the bottom of overflow weir exceeds the rainwater ditch, and EL XXX shows the elevation in the picture 1 side of rainwater ditch is provided with waste water collecting tank 3, waste water collecting tank 3 communicates with rainwater ditch 1 before overflow weir 2, and rainwater ditch 1 behind overflow weir 2 connects later stage rainwater collection pipe-line system. During rainfall, the initial stage rainwater in the chemical pollution device collects the back through rainwater ditch 1 under the stopping of overflow weir 2, the flowing gets into waste water collecting tank 3 automatically, rises to overflow weir 2 high back until water level in waste water collecting tank 3, and the clean rainwater in later stage has all got into in the waste water collecting tank in the chemical pollution device district, and overflow weir 2 is crossed to the later stage clean rainwater, and the flowing gets into later stage rainwater collection pipeline automatically.
Wherein, waste water collecting tank 3 is sunken underground structure waste water collecting tank 3 upper end is provided with the lid, the effective volume in the pond of waste water collecting tank designs according to the initial stage rainfall in chemical pollution device district, and effective volume is full of the back, and the clean rainwater in later stage no longer gets into, has carried out effective collection to polluting the rainwater, reduces follow-up processing load simultaneously, be equipped with low level export 4 before the overflow weir 2 of 1 end setting of rainwater ditch and connect waste water collecting tank 3, waste water collecting tank 3 and the sewage duct connections who sets up on the ground, after the rainfall, the initial stage rainwater that collects in the waste water collecting tank 3 promotes the back through the pump, carries to sewage treatment station through pressure pipeline and handles. The collection and switching of initial rainwater can be completely and automatically completed by arranging the overflow weir and the underground wastewater collecting tank in the rainwater ditch. In addition, when not rainfall, the waste water collecting pit can also be used for collecting the ground in the chemical pollution device district and wash waste water to send to sewage treatment plant after promoting through the elevator pump.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a chemical plant contaminated area initial stage rainwater automatic collection and switched systems, is including rainwater ditch (1) that is used for collecting the interior rainwater of chemical pollution device, its characterized in that: be provided with overflow weir (2) of take the altitude in rainwater ditch (1) side is provided with waste water collecting pit (3), waste water collecting pit (3) and rainwater ditch (1) intercommunication before overflow weir (2), the initial stage rainwater in the chemical pollution device collects the back through rainwater ditch (1) under the stopping of overflow weir (2), flow automatically and get into waste water collecting pit (3), rise to overflow weir (2) high back until waste water collecting pit (3) interior water level, later stage clean rainwater overturns overflow weir (2), flow automatically and get into later stage rainwater collecting pipeline.
2. The automatic collection and switching system for initial rainwater in a chemical plant pollution area according to claim 1, wherein: waste water collecting tank (3) is sunken underground structure waste water collecting tank (3) upper end is provided with the lid, be equipped with low-order export (4) before overflow weir (2) that rainwater ditch (1) end set up and connect waste water collecting tank (3).
3. The automatic collection and switching system for initial rainwater in a pollution area of a chemical plant according to claim 1 or 2, wherein: waste water collecting tank (3) and the sewage duct connection who sets up on the ground, the initial stage rainwater that collects in waste water collecting tank (3) promotes the back through the pump, carries to the sewage treatment station through pressure pipeline and handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468425.3U CN209958472U (en) | 2019-04-09 | 2019-04-09 | Automatic collection and switching system for initial rainwater in pollution area of chemical plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468425.3U CN209958472U (en) | 2019-04-09 | 2019-04-09 | Automatic collection and switching system for initial rainwater in pollution area of chemical plant |
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| CN209958472U true CN209958472U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920468425.3U Active CN209958472U (en) | 2019-04-09 | 2019-04-09 | Automatic collection and switching system for initial rainwater in pollution area of chemical plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549881A (en) * | 2020-05-29 | 2020-08-18 | 安徽海螺集团有限责任公司 | Initial rainwater flow dividing method |
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2019
- 2019-04-09 CN CN201920468425.3U patent/CN209958472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549881A (en) * | 2020-05-29 | 2020-08-18 | 安徽海螺集团有限责任公司 | Initial rainwater flow dividing method |
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