CN104948913A - Zero-leakage safe alkali discharging device and method thereof - Google Patents
Zero-leakage safe alkali discharging device and method thereof Download PDFInfo
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- CN104948913A CN104948913A CN201510406367.8A CN201510406367A CN104948913A CN 104948913 A CN104948913 A CN 104948913A CN 201510406367 A CN201510406367 A CN 201510406367A CN 104948913 A CN104948913 A CN 104948913A
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Abstract
The invention discloses a zero-leakage safe alkali discharging device and a method thereof, wherein the device is provided with a main channel and an auxiliary channel; the main channel is provided with a main pump and a main valve, and is divided into a front half section and a rear half section by taking the main pump as a dividing point; the auxiliary channel is connected with the front half section in parallel, an auxiliary pump, an auxiliary alkali storage tank and an auxiliary valve are arranged on the auxiliary channel, and the auxiliary pump and the auxiliary alkali storage tank are arranged on the auxiliary channel in a front-back mode. The key point of the device and the method is the connection form of the main channel and the auxiliary channel, so that the alkali liquor can be efficiently utilized without causing leakage and pollution. And a cleaning water path can be further additionally arranged, so that the whole device system is regularly and integrally cleaned, maintained, relieved of corrosion of strong alkali to parts and prolonged in service life. The device of the invention achieves zero leakage, utilizes all alkali liquor most efficiently, realizes the purposes of zero pollution and zero waste, conforms to the modern energy-saving and environment-friendly concept, and simultaneously ensures the safety of workers in normal operation and the high efficiency of factory production.
Description
Technical field
The present invention relates to the dirty control field of environmental protection, specifically refer to that alkali devices and methods therefor is unloaded safely in a kind of zero leakage.
Background technique
When carrying alkali lye in existing factory, the tank car of transport is not drive (pump) substantially, generally between tank car and storage alkali tank, involves pipeline, and adopt centrifugal pump to provide power in this.In current practical operation, after unloading, during dismounting pipeline, all can there is the problem of the residual alkali lye leakage flow in pipeline to ground, all must rinse in time the alkali lye flowing to ground at every turn after this unloads, not only there is alkali lye waste, sparge water also can cause polluting simultaneously; Have again and adopt centrifugal pump itself easily to leak, even cause splash, cause larger potential safety hazard in this.
Summary of the invention
A kind of zero leakage of novel environment friendly is the object of the present invention is to provide to unload safely alkali devices and methods therefor, based on safety, environmental protection, energy-conservation, efficient four key points and designing, reach zero leakage and make use of all alkali lye the most efficiently, achieve the object of no pollution, nil waste, also ensure that the Security of workman in normal operation and the high efficiency of plant produced further simultaneously.
In order to reach above-mentioned purpose, solution of the present invention is:
Alkali device is unloaded safely in a kind of zero leakage, has main passage and subaisle; Main passage is provided with main pump and main valve, and main passage is that separation is divided into first half section and second half section with main pump; Subaisle and first half section are arranged in parallel, and this subaisle is provided with auxiliary pump, secondary storage alkali tank and auxiliary-valve, and wherein auxiliary pump and secondary storage alkali tank are arranged in front and back on subaisle.
Be provided with two tee unions before and after in the first half section of described main passage, subaisle is by these two tee unions and the setting parallel with one another of first half section.
Described main valve includes the first main valve and the second main valve; The subaisle tie point in parallel with first half section is respectively front tie point and rear tie point, and the first main valve is located at the front of front tie point, and the second main valve is located between front tie point and rear tie point.
Described auxiliary-valve includes the first auxiliary-valve and the second auxiliary-valve; First auxiliary-valve is located between auxiliary pump and main passage, or is located at auxiliary pump and secondary stores up between alkali tank; Second auxiliary-valve is located between secondary storage alkali tank and main passage.
The first half section of described main passage is provided with aqueduct, and the second half section is parallel with clean water route, and the end in this clean water route causes recovery pond.
Correspondence on the described second half section path cleaned after the tie point of water route is provided with the 3rd main valve.
Alkali method is unloaded safely in a kind of zero leakage, and its steps flow chart is as follows:
1) when normally unloading alkali, close the auxiliary-valve on subaisle, open the main valve on main passage, main pump is started working, and carries out unloading alkali operation;
2) after alkali lye is unsnatched, close main pump, open auxiliary valve and auxiliary pump, in main passage, remaining alkali lye is evacuated in secondary storage alkali tank by auxiliary pump, closes main valve and auxiliary-valve, pulls down pipeline, now will without remaining alkali liquor leakage in pipeline;
3) unload after alkali operation completes when every day, will collect a certain amount of remaining alkali lye in secondary storage alkali tank, and now close main valve, open main pump and auxiliary-valve, and collected remaining alkali lye in pair storage alkali tank will all be delivered to and store up in alkali tank.
Described steps flow chart also comprises step 4), fetch boiling water way switch and all valves, opens main pump and auxiliary pump, passes into tap water, clean all pipelines and the pump housing from aqueduct toward the front end of main passage; The alkali lye of cleaning gained and tap water mixed solution, it, via the clean water route of the rear end of connection main passage, is finally delivered to centralized recovery in recovery pond.
Described main valve includes the first main valve and the second main valve; The subaisle tie point in parallel with first half section is respectively front tie point and rear tie point, and the first main valve is located at the front of front tie point, and the second main valve is located between front tie point and rear tie point; First main valve and the second main valve are opened and closed by same main valve switch control rule.
Described auxiliary-valve includes the first auxiliary-valve and the second auxiliary-valve; First auxiliary-valve is located between auxiliary pump and main passage, or is located at auxiliary pump and secondary stores up between alkali tank; Second auxiliary-valve is located between secondary storage alkali tank and main passage; First auxiliary-valve and the second auxiliary-valve are opened and closed by same auxiliary-valve switch control rule.
After adopting such scheme, the present invention is relative to the beneficial effect of prior art: the key point of apparatus of the present invention and method thereof is major-minor Twin channel Connecting format, main passage is normally unloads alkali passage, subaisle is connected with an auxiliary pump and stores up alkali tank with secondary, its main function is the remaining alkali lye in collection conduit, and be again delivered in storage alkali tank, so can efficiency utilization alkali lye, and can not cause and leak and pollute.Can also set up clean water route further, regularly overall clean to whole apparatus system, maintaining, alleviates the corrosion of highly basic to parts, increases the service life.In this, apparatus of the present invention reach zero leakage and make use of all alkali lye the most efficiently, achieve the object of no pollution, nil waste, meet the theory of contemporary energy-conserving and environment-protective, this device manipulates by Electronic control mode simultaneously, ensure that the Security of workman in normal operation and the high efficiency of plant produced.
Accompanying drawing explanation
Fig. 1 is the structural representation that alkali device is unloaded safely in zero leakage of the present invention;
Fig. 2 is the electric control principle schematic diagram that alkali device is unloaded safely in zero leakage of the present invention.
Label declaration
Main passage 1 main pump 10
First half section 11 second half section 12
First main valve 13 second main valve 14
The initial valve 16 of 3rd main valve 15
Subaisle 2 auxiliary pump 20
Secondary storage alkali tank 21 first auxiliary-valve 23
Second auxiliary-valve 24 main valve switch 31
Auxiliary-valve switch 32 main pump switch 33
Auxiliary pump switch 34 aqueduct 41
Clean water route 42 recovery pond 43
Water path valve 44 pressure gauge 5
Fortune alkali car 6 stores up alkali tank 7.
Embodiment
Below in conjunction with the drawings and specific embodiments, this case is described in further detail.
This case relates to a kind of zero leakage and unloads safely alkali device, as shown in Figure 1, has main passage 1 and subaisle 2.
Main passage 1 is connected between fortune alkali car 6 and storage alkali tank 7, and this main passage 1 is provided with main pump 10 and main valve.Main passage 1 with its fortune alkali direction for direction after the past, main passage 1 with main pump 10 for separation is divided into first half section 11 and second half section 12.
Subaisle 2 and first half section 11 are arranged in parallel, and specifically, be provided with two tee unions before and after in the first half section 11 of main passage 1, subaisle 2 is by these two tee unions and first half section 11 setting parallel with one another; The tie point of this parallel connection is respectively front tie point A and rear tie point B.Subaisle 2 is provided with auxiliary pump 20, secondary storage alkali tank 21 and auxiliary-valve, and wherein auxiliary pump 20 and secondary storage alkali tank 21 are arranged in front and back on subaisle 2, and namely auxiliary pump 20 is positioned at the front end of secondary storage alkali tank 21 on subaisle 2.
Described main valve, it is for controlling main passage 1 break-make.Its a kind of design is, this main valve includes the first main valve 13 and the second main valve 14.First main valve 13 is located at the front of front tie point A, and the second main valve 14 is located between front tie point A and rear tie point B.Main passage 1 is preferably also provided with pressure gauge 5.
Described auxiliary-valve, it is for controlling subaisle 2 break-make.Its a kind of design is, auxiliary-valve includes the first auxiliary-valve 13 and the second auxiliary-valve 14.First auxiliary-valve 13 can be located between auxiliary pump 20 and main passage 1, or is located at auxiliary pump 20 and secondary stores up (as shown in the Examples) between alkali tank 21; Second auxiliary-valve 14 is located between secondary storage alkali tank 21 and main passage 1.
The control mode of apparatus of the present invention adopts Electronic control, and main valve and auxiliary-valve use solenoid valve, and it coordinates related switch and external power supply to realize controlling.Particularly, as shown in Figure 2, the keying that the first main valve 13 and the second main valve 14 realize valve by same main valve switch 31 controls.In like manner, the keying that the first auxiliary-valve 23 and the second auxiliary-valve 24 realize valve by same auxiliary-valve switch 32 controls.Main pump 10 and auxiliary pump 20 are connected main pump switch 33 and auxiliary pump switch 34 respectively, and form closed-loop path with external power supply respectively, are controlled the opening and closing of main pump 10 and auxiliary pump 20 by main pump switch 33 and auxiliary pump switch 34 respectively.What main pump 10 and auxiliary pump 20 specifically adopted is rotor pump.
Preferably, the close end of the first half section 11 of main passage 1 is also provided with aqueduct 41, and the close end of second half section 12 is parallel with a clean water route 42, and the end in this clean water route 42 causes a recovery pond 43.
Alkali device is unloaded safely in above-mentioned zero leakage, and to the zero leakage of device unloading safely alkali method, its workflow includes as follows:
1) when normally unloading alkali, the auxiliary-valve (first auxiliary-valve 23 and the second auxiliary-valve 24) on subaisle 2 is closed, and the main valve (first main valve 13 and the second main valve 14) on main passage 1 is opened, and main pump 10 is started working, and carries out unloading alkali operation;
2) after alkali lye is unsnatched in fortune alkali car 6, main pump 10 is closed, open auxiliary valve and auxiliary pump 20, in main passage 1, remaining alkali lye is all evacuated in secondary storage alkali tank 21 by auxiliary pump 20, close all valves (auxiliary-valve and main valve), pull down pipeline, now will without remaining alkali liquor leakage in pipeline;
3) unload after alkali operation completes when every day, will collect a certain amount of remaining alkali lye in secondary storage alkali tank 21, and now close main valve, open main pump 10 and auxiliary-valve, and collected remaining alkali lye in pair storage alkali tank 21 will all be delivered to and store up in alkali tank 7;
4) preferably, finally, fetch boiling water way switch and all valves, open main pump 10 and auxiliary pump 20, pass into tap water, clean all pipelines and the pump housing, substantially increase the working life of each parts of this device and the safety reliability of device by aqueduct 41; Alkali lye and tap water mixed solution are finally delivered to recovery pond 43 by clean water route 42, carry out evaporations concentration, and alkali lye of again purifying out, recycles again, ensure that the efficiency utilization rate of alkali lye and reach the environmental protection concept of no pollution nil waste.
Described workflow, corresponding automatically controlled some work principle is as follows:
1) connect main valve switch 31 and main pump switch 33, first main valve 13 and the second main valve 14 to open, main pump (M1) 10 operates, and starts to unload alkali simultaneously;
2) unload after alkali completes, disconnect main pump switch 33, main pump 10 shuts down; Connect auxiliary-valve switch 32 and auxiliary pump switch 34, first auxiliary-valve 23 and the second auxiliary-valve 24 to open, auxiliary pump (M2) 20 operates simultaneously, and in pipeline, remaining alkali lye enters secondary storage alkali tank 21;
3) all enter after secondary storage alkali tank 21 until alkali lye remaining in pipeline, disconnect auxiliary pump switch 34, auxiliary pump 20 shuts down; Disconnecting main valve switch 31 makes the first main valve 13 and the second main valve 14 close; Connect main pump switch 33, main pump (M1) 10 operates, and pair is stored up alkali lye in alkali tank 21 and sucks main storage alkali tank 7 and complete zero leakage and unload alkali process.
The described mode of automatically controlled employing of apparatus of the present invention and method thereof, control performance is more good, and single switch can control the valve opening and closing of whole piece path, safety simple to operate; Meanwhile, working efficiency also promotes greatly, and switching manipulation is succinctly rapid, safe and reliable; Also avoid the dangerous hidden danger that workman directly contacts valve generation, improve the Security of work.
Preferably, the setting that the path on the second half section 12 of main passage 1, after the tie point of corresponding clean water route 42 is provided with the 3rd main valve the 15, three main valve 15 can prevent the mixed solution cleaned from flowing in storage alkali tank 7, pollutes alkali lye wherein.
Preferably, on clean water route 42, also Water path valve 44 can be provided with.Separately, the initial end place of main passage 11 also can be provided with an initial valve 16.
The foregoing is only the preferred embodiments of the present invention, all equalizations done with the claims in the present invention scope change and modify, and all should belong to the scope of the claims in the present invention.
Claims (10)
1. an alkali device is unloaded safely in zero leakage, it is characterized in that: have main passage and subaisle; Main passage is provided with main pump and main valve, and main passage is that separation is divided into first half section and second half section with main pump; Subaisle and first half section are arranged in parallel, and this subaisle is provided with auxiliary pump, secondary storage alkali tank and auxiliary-valve, and wherein auxiliary pump and secondary storage alkali tank are arranged in front and back on subaisle.
2. alkali device is unloaded safely in a kind of zero leakage as claimed in claim 1, it is characterized in that: be provided with two tee unions before and after in the first half section of described main passage, and subaisle is by these two tee unions and the setting parallel with one another of first half section.
3. alkali device is unloaded safely in a kind of zero leakage as claimed in claim 1, it is characterized in that: described main valve includes the first main valve and the second main valve; The subaisle tie point in parallel with first half section is respectively front tie point and rear tie point, and the first main valve is located at the front of front tie point, and the second main valve is located between front tie point and rear tie point.
4. alkali device is unloaded safely in a kind of zero leakage as claimed in claim 1, it is characterized in that: described auxiliary-valve includes the first auxiliary-valve and the second auxiliary-valve; First auxiliary-valve is located between auxiliary pump and main passage, or is located at auxiliary pump and secondary stores up between alkali tank; Second auxiliary-valve is located between secondary storage alkali tank and main passage.
5. alkali device is unloaded safely in a kind of zero leakage as claimed in claim 1, it is characterized in that: the first half section of described main passage is provided with aqueduct, and the second half section is parallel with clean water route, and the end in this clean water route causes recovery pond.
6. alkali device is unloaded safely in a kind of zero leakage as claimed in claim 5, it is characterized in that: the path cleaned after the tie point of water route of the correspondence on the described second half section is provided with the 3rd main valve.
7. alkali method is unloaded safely in a kind of zero leakage of corresponding claims 1, and it is characterized in that, its steps flow chart is as follows:
1) when normally unloading alkali, close the auxiliary-valve on subaisle, open the main valve on main passage, main pump is started working, and carries out unloading alkali operation;
2) after alkali lye is unsnatched, close main pump, open auxiliary valve and auxiliary pump, in main passage, remaining alkali lye is evacuated in secondary storage alkali tank by auxiliary pump, closes main valve and auxiliary-valve, pulls down pipeline, now will without remaining alkali liquor leakage in pipeline;
3) unload after alkali operation completes when every day, will collect a certain amount of remaining alkali lye in secondary storage alkali tank, and now close main valve, open main pump and auxiliary-valve, and collected remaining alkali lye in pair storage alkali tank will all be delivered to and store up in alkali tank.
8. alkali method is unloaded safely in a kind of zero leakage as claimed in claim 7, and it is characterized in that, described steps flow chart also comprises step 4), to fetch boiling water way switch and all valves, open main pump and auxiliary pump, pass into tap water from aqueduct toward the front end of main passage, clean all pipelines and the pump housing; The alkali lye of cleaning gained and tap water mixed solution, it, via the clean water route of the rear end of connection main passage, is finally delivered to centralized recovery in recovery pond.
9. alkali method is unloaded safely in a kind of zero leakage as claimed in claim 7, it is characterized in that, described main valve includes the first main valve and the second main valve; The subaisle tie point in parallel with first half section is respectively front tie point and rear tie point, and the first main valve is located at the front of front tie point, and the second main valve is located between front tie point and rear tie point; First main valve and the second main valve are opened and closed by same main valve switch control rule.
10. alkali method is unloaded safely in a kind of zero leakage as claimed in claim 7, it is characterized in that, described auxiliary-valve includes the first auxiliary-valve and the second auxiliary-valve; First auxiliary-valve is located between auxiliary pump and main passage, or is located at auxiliary pump and secondary stores up between alkali tank; Second auxiliary-valve is located between secondary storage alkali tank and main passage; First auxiliary-valve and the second auxiliary-valve are opened and closed by same auxiliary-valve switch control rule.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510406367.8A CN104948913B (en) | 2015-07-13 | 2015-07-13 | Zero-leakage safe alkali discharging device and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510406367.8A CN104948913B (en) | 2015-07-13 | 2015-07-13 | Zero-leakage safe alkali discharging device and method thereof |
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| CN104948913A true CN104948913A (en) | 2015-09-30 |
| CN104948913B CN104948913B (en) | 2018-04-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105480925A (en) * | 2015-11-11 | 2016-04-13 | 厦门理工学院 | Zero-leakage caustic soda liquid unloading device |
| CN107676629A (en) * | 2017-10-16 | 2018-02-09 | 南京航空航天大学 | Alkali device and its control method are unloaded in zero leakage based on gas-liquid conversion |
| CN110775927A (en) * | 2019-11-13 | 2020-02-11 | 攀枝花钢企欣宇化工有限公司 | Emergency treatment device for residual liquid caustic soda |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105480925A (en) * | 2015-11-11 | 2016-04-13 | 厦门理工学院 | Zero-leakage caustic soda liquid unloading device |
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| CN107676629B (en) * | 2017-10-16 | 2023-10-27 | 南京航空航天大学 | Zero leakage alkali unloading device based on gas-liquid conversion and control method thereof |
| CN110775927A (en) * | 2019-11-13 | 2020-02-11 | 攀枝花钢企欣宇化工有限公司 | Emergency treatment device for residual liquid caustic soda |
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| CN104948913B (en) | 2018-04-13 |
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