CN204569468U - A kind of suction type de-gassing vessel - Google Patents
A kind of suction type de-gassing vessel Download PDFInfo
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- CN204569468U CN204569468U CN201520187384.2U CN201520187384U CN204569468U CN 204569468 U CN204569468 U CN 204569468U CN 201520187384 U CN201520187384 U CN 201520187384U CN 204569468 U CN204569468 U CN 204569468U
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Abstract
A kind of suction type de-gassing vessel, it comprises the degas chamber be communicated with reaction tank; It is characterized in that being provided with in described degas chamber side the independently gas exhaust duct that one end is communicated with atmospheric environment, the other end of described gas exhaust duct is communicated with gas blower; Described degas chamber is provided with degassed pipeline, and described degassed pipeline is communicated with described gas exhaust duct by threeway proportional valve.This de-gassing vessel structure is simple, and the safety coefficient of total system is greatly improved, for stable, the safe operation of system provide guarantee.
Description
Technical field
The utility model relates to marine domestic sewage treatment system, and this domestic sewage processing system is adapted to the process of the sanitary sewage that island in the boats and ships of operation on ocean, drilling unit, ocean etc. produce.Refer in particular to the de-gassing vessel in marine domestic sewage treatment system.
Background technology
Along with the mankind are to preserving the ecological environment, the pay attention to day by day of Control pollution, with on long voyage, the day by day prosperity of offshore oil exploration, scientific research.The process of marine domestic sewage, seems important all the more.And traditional biochemistry/materializing strategy pattern, there is again many drawbacks.Biochemical treatment process generally adopts bacterium to decompose organism in sanitary sewage, and then adds the sterilant such as hypochlorous acid and to carry out disinfection sterilization.The flow process that biochemical process generally adopts is sewage inlet, one-level aeration, two-stage biological contact oxidation, precipitation, sterilization, discharge.Its advantage is that operating charges is low, disposable less investment.Its shortcoming existed is that device volume is large, and sewage type is single, does not have bacterium to dispose of sewage, and needs professional to carry out microbial culture.Device or need not can cause bacterial death for a long time servicing time for a long time, and the rebooting device time is very long again.Physico-chemical process is by carrying out disinfection sterilization to adding disinfectant in sewage, then carrying out solid-liquid separation to sewage and processing.The method shortcoming to store a large amount of disinfectant, and the disinfectant time is long, and drug effect can lose efficacy.
Generally adopt electrolytic process at present, electrolytic process has the advantage of oxidation mechanism and Bactericidal Mechanism.Its oxidation mechanism
,be included in electrolytic process, some metal oxide is oxidized to high-valence state in electrochemical process, then these high-valence state material deoxidation organism.Now high-valence state organism is reduced into the material of original cost state, goes round and begins again like this and reaches the object of oxidation removal pollutent.In electrolytic process, also produce the strong oxidizer deoxidation decomposing organic matter such as oxymuriate, hypochlorite, H2O2 and O3 with strong oxidizing property.The intermediate of short-life, the strong oxidizing property utilizing electrochemical reaction to produce, comprises e(solvated electron), HO, HO2, O2
-deng free radical, they can oxidative degradation pollutent.
Its sterilization mechanism, be included in chlorion and deposit in case, electrolysis can obtain clorox and CLO
-deng strong oxidizer.Played main effect by clorox in whole sterilizing process.For lived bacterium and virus, hypochlorous acid, through cell walls, is oxidized its enzyme system, and (enzyme is biological catalyst), makes it lose activity, and makes the life of bacterium be subject to obstacle and dead.The hydroxyl radical free radical produced in electrolytic process, oxygen, hydrogen peroxide etc., also have good effect to sterilization.Electric field has the effect of sterilization, and microorganism sharply grows because of electric field action, and result causes its propagating system to occur defect, and fecundity reduces.The seepage force of electric-field enhancing water molecules, makes water molecules very easily through microbial cell film, microorganism or thirsty dead or enter in body extremely swollen because of excessive water because of lack of water.
Sanitary sewage disposal at present on land is all adopt directly to carry out electrolysis to sewage, then flocculation sediment, filtration mostly.A kind of method of processing oil field sewage by electrolysing is disclosed in Chinese patent 200410026589.9.In that patent, by the serial or parallel connection of battery lead plate to oilfield sewage electrolysis, sterilization is carried out.Adopt series, parallel or array mode between its battery lead plate, no matter be series-parallel connection, each battery lead plate all need carry out connection conductive communication by wire.
In Chinese patent 201220676384.5, disclose a kind of electricity flocculation Sewage treatment systems, this system forms small granular suspended matters by carrying out electrolysis treatment to sewage, and then precipitated by clarifyling centrifuge, then process after filtration.
Along with the large-scale popularization of sanitary sewage electrolyzing treatment system uses, electrolyzing domestic sewage processing system built-in problem also revealing slowly.In electrolyzing domestic sewage processing system, because electrolysis can produce a large amount of gas, a large amount of gases that electrolysis produces in flocculation tank can gather on reaction tank top, if the gas gathered can not be discharged in time, then there is very large dangerous hidden danger.At present, the degassed mode of the hazardous gas (such as: chlorine, hydrogen) of known electrolysis process output is generally: be blown into large quantity of air by the air blast of gas blower directly to the degas chamber of electrolyzer, thus original gas of degas chamber (chlorine, hydrogen) is forced into the another port of degas chamber, reach the object of discharge of noxious gases (chlorine, hydrogen).Its defect existed, in the starting stage that degassed work runs, the hazardous gas concentration now in degas chamber is higher, when gas blower blasts certain amount of air in degas chamber, the hazardous gas partial concn being pressed out to degas chamber discharge port in short period of time is still higher, there is great potential safety hazard.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of suction type de-gassing vessel of marine domestic sewage electrolyzing treatment system, by carrying out pro rata exhaust to degas chamber, electrolyzer is produced gas under suction function, dilution discharge is in atmospheric environment.Avoid the existence of degas chamber middle and high concentration gas.
The utility model is for solving the problems of the technologies described above, and the technical scheme provided is a kind of suction type de-gassing vessel, and it comprises the degas chamber be communicated with reaction tank; It is characterized in that being provided with in described degas chamber side the independently gas exhaust duct that one end is communicated with atmospheric environment, the other end of described gas exhaust duct is communicated with gas blower; Described degas chamber is provided with degassed pipeline, and described degassed pipeline is communicated with described gas exhaust duct by threeway proportional valve.
Described degas chamber is provided with the air suction valve be communicated with atmospheric environment.
The air blast end of described gas blower is provided with filtering net.
De-gassing vessel of the present utility model, the pipeline be communicated with reaction tank by electrolyzer by the gaseous emission that produces during electrolysis in reaction tank, the gas be disposed in reaction tank is arranged in reaction tank ullage cavity and the degas chamber with cavity connects, continue to blow in atmospheric environment in gas exhaust duct by gas blower, in gas exhaust duct, gas has certain wind speed, when wind speed flows through the degassed pipeline be communicated with gas exhaust duct, there is certain negative pressure, gas then in degas chamber and the cavity of reaction tank ullage that is communicated with degas chamber is then inhaled in gas exhaust duct under the effect of negative pressure and the dilution proportion of setting of air proportion valve in gas exhaust duct mixes after-blow and discharges to atmospheric environment.When the gaseous tension in degas chamber is lower than set(ting)value, air suction valve is opened, air in atmospheric environment is inhaled in degas chamber, the gas dilution produced with electrolysis in degas chamber mixes, again under negative pressure, by qualified discharge after the air mixed in degassed pipeline and gas exhaust duct in atmospheric environment.Due to the gas given off be through large quantity of air diluted after product, and, gas in degas chamber is also after discharge for some time, concentration is reduced with air mixed dilution, wherein the ratio of hazardous gas (hydrogen, chlorine) is very low, the safety coefficient of total system is greatly improved, for stable, the safe operation of system provide guarantee.
Accompanying drawing explanation
Fig. 1, the suction type de-gassing vessel structural representation of marine domestic sewage electrolyzing treatment system.
Embodiment
For the technical solution of the utility model, be now specifically described in conjunction with diagram.Referring to Fig. 1, the de-gassing vessel of marine domestic sewage electrolyzing treatment system of the present utility model mainly comprises degas chamber 1, wherein.
Degas chamber 1, be arranged on the top of reaction tank (not shown), reaction tank is communicated with electrolyzer by pipeline.The water electrolytic gas that electrolyzer produces leads to sewage by pipeline and is disposed to together in reaction tank, the gas overflowing reaction tank that electrolysis produces, and converges in the degas chamber above reaction tank.Sanitary sewage electrolyzing treatment system is prior art, therefore, then repeats no more at this other structures of this treatment system.
Degas chamber 1 is provided with air suction valve 2, and when degas chamber air pressure is lower than certain pressure, air suction valve is opened, and supplements air to degas chamber, and the gas that in dilution degas chamber, electrolysis produces, reduces the gas concentration that electrolysis produces.Side outside degas chamber 1, is provided with gas exhaust duct 3, and one end of this gas exhaust duct is communicated with the atmospheric environment of safety; The other end of gas exhaust duct is communicated with gas blower 4.In gas blower and gas exhaust duct junction, be provided with filtering net.When gas blower is blown in gas exhaust duct, it in gas exhaust duct is cleaned air that filtering net can make to be blown into, and gas blower is blown and is disposed in atmospheric environment by gas exhaust duct.Degas chamber is provided with a degassed pipeline 5, and degassed pipeline 5 one end is communicated with degas chamber, and the other end is communicated with gas exhaust duct by threeway proportional valve 6.When gas blower is blown into cleaned air in gas exhaust duct, due to gas blower air blowing effect, cleaned air in gas exhaust duct has certain wind speed, when the cleaned air with certain wind speed is flowed at gas exhaust duct by threeway proportional valve in atmospheric environment, certain negative pressure can be produced in threeway proportional valve and gas exhaust duct, under suction function, the gas that electrolysis in degas chamber produces is disposed in atmospheric environment after being then inhaled in gas exhaust duct and being mixed with the cleaned air in gas exhaust duct with certain wind speed and obtain and dilute by degassed pipeline.When sanitary sewage electrolyzing treatment system starts to start, then gas blower starts simultaneously, blows in gas exhaust duct, ensures to discharge after Dilution air being drawn in gas exhaust duct by the gas in degas chamber and reaction tank ullage cavity under suction function again.In degasification process, when degas chamber gaseous tension is lower than setup pressure value, air suction valve is opened, and air is inhaled in degas chamber supplies gas to certain pressure.Supply into the original gas and vapor permeation in the gas in degas chamber and degas chamber, then the gas concentration that the electrolysis in degas chamber produces after dilution concentration reduces.Along with working of gas blower always, be disposed to again in atmospheric environment by after Dilution air to very low concentration further in gas exhaust duct by the gas diluted in degas chamber.Therefore, by de-gassing vessel of the present utility model, the gas concentration that in maintenance degas chamber that can be very safe, electrolysis produces keeps in a lower scope, and, when ensureing to be disposed in atmospheric environment, be diluted to and be discharged again lower than after emission standard.Ensure the safety of whole sanitary sewage electrolyzing treatment system, meanwhile, achieve qualified discharge, protect atmospheric environment.
Claims (3)
1. a suction type de-gassing vessel, it comprises the degas chamber be communicated with reaction tank; It is characterized in that being provided with in described degas chamber side the independently gas exhaust duct that one end is communicated with atmospheric environment, the other end of described gas exhaust duct is communicated with gas blower; Described degas chamber is provided with degassed pipeline, and described degassed pipeline is communicated with described gas exhaust duct by threeway proportional valve.
2. suction type de-gassing vessel according to claim 1, is characterized in that on described degas chamber, be provided with the air suction valve be communicated with atmospheric environment.
3. suction type de-gassing vessel according to claim 1, is characterized in that the air blast end of described gas blower is provided with filtering net.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520187384.2U CN204569468U (en) | 2015-03-31 | 2015-03-31 | A kind of suction type de-gassing vessel |
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| CN201520187384.2U CN204569468U (en) | 2015-03-31 | 2015-03-31 | A kind of suction type de-gassing vessel |
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| CN204569468U true CN204569468U (en) | 2015-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169477A (en) * | 2020-07-06 | 2021-01-05 | 耿纪卫 | Negative pressure hydrogen discharging device for electrolyzing sodium hypochlorite |
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2015
- 2015-03-31 CN CN201520187384.2U patent/CN204569468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169477A (en) * | 2020-07-06 | 2021-01-05 | 耿纪卫 | Negative pressure hydrogen discharging device for electrolyzing sodium hypochlorite |
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