CN103850319B - A kind of rainwater that reduces enters the device of production system - Google Patents
A kind of rainwater that reduces enters the device of production system Download PDFInfo
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- CN103850319B CN103850319B CN201210496228.5A CN201210496228A CN103850319B CN 103850319 B CN103850319 B CN 103850319B CN 201210496228 A CN201210496228 A CN 201210496228A CN 103850319 B CN103850319 B CN 103850319B
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- rainwater
- valve
- production system
- sewage
- discharge pipe
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Abstract
The present invention discloses a kind of rainwater that reduces and enters the device of production system, sends into production system recycling, pH value detects qualified rainwater and directly discharges after the pH value in the range of cofferdam detects defective rainwater-collecting；Described device cofferdam, production system, also include Bilge, sump, sewage pump, valve, outer discharge pipe, rain drainage pipeline networks；Described Bilge connects sump, arranges sewage pump in sump, and sewage pump connects production system, and outer discharge pipe will be not required to sewage discharge to be processed to rain drainage pipeline networks, and valve is arranged on outer discharge pipe.Advantage: using the present invention can greatly reduce rainwater and enter production procedure, solution is rushed dilute by minimizing, reduces the steam consumption brought due to rainwater entrance flow process and raises, the most notable for building the alumina producing firm effect in heavy rainfall area in.
Description
Technical field
The present invention relates to reduce the method that rainwater enters production system, be especially provided with cofferdam,
The operation of rainwater can be received, belong to technical field of alumina production.
Background technology
In Bayer process process for making alumina, soda lye is used to dissolve in Bauxite Ore
Aluminum oxide, caustic soda as medium, has assisted the dissolution of bauxite, has diluted, decomposes, steams
Send out cyclic process, but be also present in the overall process of alumina producing just because of caustic soda, prevent
Caustic soda is lost in environment, and it is also to control environmental pollution that the caustic soda for revealing carries out reclaiming
Important component part, wet method (i.e. there is caustic soda) operation is typically provided with cofferdam and reclaims
The caustic alkali scattered and disappeared from production procedure due to reasons such as cleaning maintenance, leakage, mechanical losses.
Cofferdam may also operate as avoiding production system storage facility, such as groove, tank etc., reveal,
Collapse the effect that operation, plant area's surrounding enviroment are worked the mischief, arrange at wet method operation periphery and enclose
Weir prevents from caustic alkali to be leaked in environment being current alumina producing enterprise generally to use comparing into
Ripe, the economic practice, also plays well effect for controlling environmental pollution.
But not all operation is all disposed within indoor, the operation arranging cofferdam also has a lot of cloth
Put in outdoor, so raining, the when of especially raining heavily, inevitably have a lot
Rainwater enters in production procedure.As without process after rainwater entrance flow process, directly leak,
Not only pollute, and weak solution can be rushed, increase the steam consumption, add production alumina product
Energy consumption cost.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of rainwater that reduces and enter life
The method of product system: send into raw after the pH value in the range of cofferdam is detected defective rainwater-collecting
Product system recycles, and pH value detects qualified rainwater and directly discharges, particularly as follows: start fall
During rain, open sewage pump, sewage is sent back to production system, rainfall a period of time or through pH value
Detecting qualified rear employing automatic or manual mode and open valve, and close sewage pump, rainwater flows automatically
To rain drainage pipeline networks；
For reaching the effect automatically controlled, use following methods: by measuring the electric conductivity of rainwater
The pH value of rainwater can be determined, the testing result of rainwater is delivered to control centre, in control
The heart passes through sewage pump and the flow direction of Valve controlling rainwater.
The invention also discloses the device reducing rainwater entrance production system, including cofferdam, production
System, also includes Bilge, sump, sewage pump, valve, outer discharge pipe, rain drainpipe
Net；Described Bilge connects sump, arranges sewage pump in sump, and sewage pump connects production
System, outer discharge pipe will be not required to sewage discharge to be processed and be arranged on to rain drainage pipeline networks, valve
On outer discharge pipe；
Described Bilge is arranged on the ground of slope aspect, and the low spot at Bilge is provided with outer comb
Road, outer discharge pipe is provided with valve, and outer discharge pipe is connected with rain drainage pipeline networks, outside outer discharge pipe
The height of row's point is higher than rain drainage pipeline networks access point height.
The low spot that outer row point is Bilge of described outer discharge pipe.
Described valve is magnetic valve.
Also including control centre and detection device, described detection device is for detecting the PH of rainwater
Value；The pH value of rainwater is converted into the signal of telecommunication and is sent to control centre by described detection device, institute
State control centre and control valve and sewage pump according to the described signal of telecommunication.
Described detection device includes electrode, and described electrode two ends apply certain voltage, described electrode
In immersion sewage, when the acid-base value of sewage changes, described electrode both end voltage is sent out accordingly
Changing, the change that described voltage occurs can be transformed into control signal and be sent to control centre.
Described control centre is PLC.
Described detection device is arranged in Bilge.
Described detection device can also be provided in sump.
The present invention further discloses another kind and realize the device of described method, described Bilge sets
Put on the ground having slope aspect, sewage pump outlet conduit is installed lateral, described branch
Pipeline connects production system and rain drainage pipeline networks respectively, and described lateral arranges Valve controlling
Sewage whereabouts.
Described valve is two groups, is separately positioned between sewage pump and production system, sewage pump and rain
On lateral between drainage pipeline networks.
Described valve is magnetic valve.
Also including control centre and detection device, described detection device is for detecting the PH of rainwater
Value；The pH value of rainwater is converted into the signal of telecommunication and is sent to control centre by described detection device, institute
State control centre and control valve and sewage pump according to the described signal of telecommunication.
Described detection device includes electrode, and described electrode two ends apply certain voltage, described electrode
In immersion sewage, when the acid-base value of sewage changes, described electrode both end voltage is sent out accordingly
Changing, the change that described voltage occurs can be transformed into control signal and be sent to control centre.
Described control centre is PLC.
Described detection device is arranged in Bilge.
Described detection device can also be provided in sump.
The principle of the present invention is: when starting rainfall, and Bilge collection sewage, to sump, is opened
Sewage pump, sends production system back to by sewage, rainfall a period of time or after pH value detection is qualified
Use automatic or manual mode to control rainwater to flow to, the rainwater being not required to process is discharged to rain drainpipe
Net.
Advantages of the present invention and effect are as follows: with the area of annual rainfall 1500mm, in cofferdam
Open area is 8000m2Red-mud settlement and separation washing procedure as a example by, described in this patent
Mode, dams efficiency calculation by 80%, can reduce rainwater every year and enter production procedure 9600m3,
Based on evaporation steam-water ratio 0.25, can steam saving 2400 tons.If all wet method operations are all adopted
By mode described in this patent, acquired benefit will be more significant.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the structural representation of embodiment 2；
Fig. 3 is automatic control system connection diagram.
In figure: 1, cofferdam；2, Bilge；3, sump；4, sewage pump；5, valve；
6, outer discharge pipe；7, rain drainage pipeline networks；8, production system, 31, PLC, 32, electrode,
33, detector capsul, 34, detector core.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not subject to
Embodiment is limited.
Embodiment 1: as it is shown in figure 1, the present invention reduces the method that rainwater enters production system,
Comprise the steps: to be provided with the wet method subitem in cofferdam 1, ground slope aspect Bilge 2, and be provided with
Sump 3 and sewage pump 4, the low spot at Bilge 2 is provided with outer discharge pipe 6, is provided with valve
Door 5, rain drainage pipeline networks 7 outer with operation is connected and arranges some height outside in-process higher than the outer rain of operation
Drainage pipeline networks access point height, when starting rainfall, opens sewage pump 4, sends sewage back to production
System 8, uses automatic or manual side after rainfall a period of time (or qualified through pH value detection)
Formula opens valve 5, and closes sewage pump 4, and rainwater flows automatically to rain drainage pipeline networks 7.
As it is shown on figure 3, automatically control for realization, also include control centre and detection device, institute
State detection device and include detector capsul 33 and detector core 34 and electrode 32, electrode
32 are arranged in Bilge 2, it is also possible to being arranged in sump 3, detector core 34 is given
Two electrodes 32 apply certain DC voltage, detect two interelectrode resistance simultaneously and incite somebody to action
Voltage change caused by the change of resistance is sent to control centre PLC31, as the PH of rainwater
When value changes, described electrode 32 both end voltage changes accordingly, and PLC31 is according to institute
State the signal of telecommunication and control valve 5 and sewage pump 4, and then control the flow direction of rainwater.
Described control centre is that PLC can use universal models, such as the product of Siemens Company.Institute
Stating valve is magnetic valve, can use commercial products.
Embodiment 2: as in figure 2 it is shown, the present invention reduces the method that rainwater enters production system,
Comprise the steps: to be provided with the wet method subitem in cofferdam 1, ground slope aspect Bilge 2, and be provided with
Sump 3 and sewage pump 4, install lateral 6 on sewage pump 4 outlet conduit, pass through
Valve 5 controls sewage whereabouts, and when starting rainfall, sewage returns production system by sewage pump 4
8, switch valve 5 after rainfall a period of time (or qualified through pH value detection), passes through branched pipe
6 will be discharged to rain drainage pipeline networks 7 outside rainwater.This embodiment be applicable to rainwater bigger time, can pass through
Sewage pump 4 increasing water discharge capacity.
The present embodiment can use the automatic control system described in embodiment 1 equally.Do not go to live in the household of one's in-laws on getting married at this
State.
Claims (7)
1. reduce rainwater and enter a device for production system, including cofferdam, production system, its
It is characterised by: also include that Bilge, sump, sewage pump, valve, outer discharge pipe, rain are arranged
Grid；Described Bilge connects sump, arranges sewage pump in sump, and sewage pump connects
Production system, outer discharge pipe will be not required to sewage discharge to be processed and set to rain drainage pipeline networks, valve
Put outside on discharge pipe；
Described Bilge is arranged on the ground of slope aspect, and the low spot at Bilge is provided with outer comb
Road, outer discharge pipe is provided with valve, and outer discharge pipe is connected with rain drainage pipeline networks, outside outer discharge pipe
The height of row's point is higher than rain drainage pipeline networks access point height；Also include control centre and detection dress
Putting, described detection device is for detecting the pH value of rainwater；Described detection device is by the pH of rainwater
Value is converted into the signal of telecommunication and is sent to control centre, and described control centre controls according to the described signal of telecommunication
Valve and sewage pump；In described detection device is arranged on Bilge or in sump.
Device the most according to claim 1, it is characterised in that: described outer discharge pipe
Outer row point be the low spot of Bilge.
Device the most according to claim 1, it is characterised in that: described valve is electromagnetism
Valve.
Device the most according to claim 1, it is characterised in that: described detection device includes
Electrode, described electrode two ends apply certain voltage, and described electrode immerses in sewage, when sewage
When acid-base value changes, described electrode both end voltage changes accordingly, and described voltage occurs
Change can be transformed into control signal and be sent to control centre.
Device the most according to claim 1, it is characterised in that: described control centre is
PLC。
Device the most according to claim 1, it is characterised in that: or, pump out at sewage
Installing lateral on mouth pipeline, described lateral connects production system and rain drainpipe respectively
Net, described lateral arranges Valve controlling sewage whereabouts.
Device the most according to claim 6, it is characterised in that: the valve on lateral
Door is two groups, is separately positioned between sewage pump and production system, between sewage pump and rain drainage pipeline networks
Lateral on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496228.5A CN103850319B (en) | 2012-11-28 | 2012-11-28 | A kind of rainwater that reduces enters the device of production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496228.5A CN103850319B (en) | 2012-11-28 | 2012-11-28 | A kind of rainwater that reduces enters the device of production system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103850319A CN103850319A (en) | 2014-06-11 |
| CN103850319B true CN103850319B (en) | 2016-09-07 |
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ID=50858429
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210496228.5A Active CN103850319B (en) | 2012-11-28 | 2012-11-28 | A kind of rainwater that reduces enters the device of production system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004300894A (en) * | 2003-04-01 | 2004-10-28 | Taisei Setsubi Kk | Drainage collecting system |
| KR100733588B1 (en) * | 2006-11-15 | 2007-06-28 | (주)해석 | A drainage line |
| CN201169826Y (en) * | 2008-03-25 | 2008-12-24 | 深圳市南山区珠光小学 | Intellectualized sewage water recognition split stream apparatus |
| CN102061720A (en) * | 2010-12-07 | 2011-05-18 | 杨敏 | Rainwater collecting device |
| CN201883519U (en) * | 2010-12-22 | 2011-06-29 | 贵阳铝镁设计研究院 | Automatic flood drainage system for larger-area open workshop of alumina factory |
| CN202466781U (en) * | 2012-03-12 | 2012-10-03 | 河南省交通科学技术研究院有限公司 | Highway bridge deck runoff real-time identification and selecting collection system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201071309Y (en) * | 2007-07-25 | 2008-06-11 | 贵阳铝镁设计研究院 | Backwater split stream structure of dry method red mud heap |
-
2012
- 2012-11-28 CN CN201210496228.5A patent/CN103850319B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004300894A (en) * | 2003-04-01 | 2004-10-28 | Taisei Setsubi Kk | Drainage collecting system |
| KR100733588B1 (en) * | 2006-11-15 | 2007-06-28 | (주)해석 | A drainage line |
| CN201169826Y (en) * | 2008-03-25 | 2008-12-24 | 深圳市南山区珠光小学 | Intellectualized sewage water recognition split stream apparatus |
| CN102061720A (en) * | 2010-12-07 | 2011-05-18 | 杨敏 | Rainwater collecting device |
| CN201883519U (en) * | 2010-12-22 | 2011-06-29 | 贵阳铝镁设计研究院 | Automatic flood drainage system for larger-area open workshop of alumina factory |
| CN202466781U (en) * | 2012-03-12 | 2012-10-03 | 河南省交通科学技术研究院有限公司 | Highway bridge deck runoff real-time identification and selecting collection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103850319A (en) | 2014-06-11 |
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