CN102145935B - Methanol adding device used in sewage treatment - Google Patents
Methanol adding device used in sewage treatment Download PDFInfo
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- CN102145935B CN102145935B CN2011101081750A CN201110108175A CN102145935B CN 102145935 B CN102145935 B CN 102145935B CN 2011101081750 A CN2011101081750 A CN 2011101081750A CN 201110108175 A CN201110108175 A CN 201110108175A CN 102145935 B CN102145935 B CN 102145935B
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- methyl alcohol
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- sewage disposal
- throwing device
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Abstract
The invention relates to a sewage treatment device which comprises a storage unit, an adding unit, a diluting unit and an electric control unit. The storage unit is connected with the adding unit through a pipeline. The adding unit is connected with the diluting unit through a pipeline. The electric control unit is connected with the storage unit, the adding unit and the diluting unit. The sewage treatment device has the beneficial effects that due to the application of development of a methanol adding device, which serves as a novel technology and a novel process, to the sewage treatment, the difficult problem of drug addition in the process of removing nitrogen and phosphorus in the sewage treatment is solved, and a novel direction is developed for the sewage treatment process.
Description
Technical field
The present invention relates to waste disposal plant, particularly relate to a kind of device that adds methyl alcohol in sewage disposal.
Background technology
In prior art, it is a difficult problem that sewage disposal will reach existing emission standard always, and still along with the development of scientific and technological level, increasing novel method, new technology are applied to sewage disposal.Now, have a kind ofly in sewage disposal, methanol solution to be added in biochemical waste water treatment pool as a kind of medicine, purpose is in sewage to increase carbon source, can effectively remove nitride in sewage and the method for phosphide.This method has been strengthened the effect of biochemical treatment, and is conducive to process the sewage drainage standard (by secondary standard, rising to primary standard) that rear water quality reaches national regulation.Add the method for methyl alcohol as a kind of new technology, new technique in the process of sewage disposal, not only for the dosing of sewage disposal denitrogenation dephosphorizing, solved a great problem, also for sewage treatment process, opened up a brand-new direction.
But the characteristic due to methyl alcohol self, because methyl alcohol is inflammable and explosive substances, safety coefficient is had relatively high expectations, to this processing requirement also relative complex, so as emerging novel technique equipment in sewage treatment industry at present, the methyl alcohol throwing device will be different from general chemicals dosing plant.
Summary of the invention
The objective of the invention is provides the methyl alcohol throwing device in a kind of sewage disposal to solve the problems referred to above in order to solve an existing dephosphorization denitrogenation difficult problem in sewage disposal.
To achieve these goals, technical scheme of the present invention is as follows:
Methyl alcohol throwing device in a kind of sewage disposal, comprise storage unit, it is characterized in that, also comprise and add unit, dilution unit and ECU, described storage unit connects and adds unit by pipeline, add unit and connect dilution unit by pipeline, described ECU connects storage unit, adds unit and dilution unit.Complete assembly system synthesis completes from the charging of methyl alcohol stoste, store, add conveying, on-line dilution, output is delivered to sewage biochemistry pool operation.
Methyl alcohol throwing device in above-mentioned a kind of sewage disposal, it is characterized in that, described storage unit comprises the methyl alcohol storage tank, described methyl alcohol storage tank is buried storage tank, be arranged in concrete sump, for security consideration, be provided with fine sand and bury above storage tank, the pond face of concrete sump is provided with the concrete cover capping.
Methyl alcohol throwing device in above-mentioned a kind of sewage disposal, it is characterized in that, described storage unit comprises at least more than one methyl alcohol storage tank, be provided with liquid-inlet pipe, drain pipe, liquidometer, anti-explosion fire-retardant breather valve, motor-operated control valve on described methyl alcohol storage tank, described liquidometer, motor-operated control valve connect ECU.
Methyl alcohol throwing device in above-mentioned a kind of sewage disposal, it is characterized in that, the internal surface of described methyl alcohol storage tank is disposed with three layers of conductive polyurethane ins and outs and four layers of urethane conduction finish paint from the inside to the outside, the outside surface of described methyl alcohol storage tank is disposed with the super thick slurry paint of two-layer epoxy zinc-rich rust-proofing primer, one deck epoxy micaceous iron oxide rustproof paint and two-layer bituminous epoxy from the inside to the outside, adds intensity level anticorrosion.
Methyl alcohol throwing device in above-mentioned a kind of sewage disposal is characterized in that the top of described methyl alcohol storage tank is provided with access hole, and described access hole comprises and add adapter, described add to take over be arranged at methyl alcohol storage tank top.
Methyl alcohol throwing device in above-mentioned a kind of sewage disposal, is characterized in that, the described unit that adds comprises and adds volume pump, motor-operated control valve, strainer, back pressure valve, safety relief valve, ripple damper, under meter and tensimeter; Add volume pump and connect storage unit, motor-operated control valve, strainer are arranged at the fluid inlet that adds volume pump, back pressure valve, ripple damper, safety relief valve, ripple damper, under meter and tensimeter are arranged at and add on volume pump liquid outlet pipeline afterwards, described volume pump, motor-operated control valve, the under meter connection ECU of adding.
Methyl alcohol throwing device in above-mentioned a kind of sewage disposal, it is characterized in that, described dilution unit comprises motor-operated control valve, explosion-proof solenoid valve, relief valve, tensimeter, under meter, water-jet exhauster and static mixer, described explosion-proof solenoid valve, relief valve, tensimeter, under meter, water-jet exhauster and static mixer all are arranged on the pipeline of dilution unit inside, and under meter is connected ECU with motor-operated control valve.
Methyl alcohol throwing device in above-mentioned a kind of sewage disposal is characterized in that described dilution unit also comprises Visible Counterflow vacuum breaker and line strainer, and described Visible Counterflow vacuum breaker, motor-operated control valve and line strainer are arranged on the liquid-inlet pipe of dilution unit.
Methyl alcohol throwing device in above-mentioned a kind of sewage disposal, it is characterized in that, described storage unit and the connecting tube that adds between unit comprise bassoon and the tubule of carrying methanol solution, the liquid feeding end of bassoon connects the liquid feeding end of the outlet end connection tubule of storage unit, bassoon, and the outlet end connection of tubule adds unit; The bassoon outlet end is provided with the standard flange that is complementary with bassoon, and the liquid feeding end of tubule is provided with the reducing non-standard flange that is complementary with tubule, and described standard flange and reducing non-standard flange are matched.
Methyl alcohol throwing device in above-mentioned a kind of sewage disposal, is characterized in that, adopts silk thread mouth to be connected between described pipeline and pipeline, and junction is provided with raw material band, and described junction also scribbles electrically conducting coating.
The beneficial effect that the present invention has: the research and development of methyl alcohol throwing device are as a kind of new technology, the new utilization of technique in sewage disposal, for the dosing of sewage disposal denitrogenation dephosphorizing has solved a great problem, for sewage treatment process has been opened up a brand-new direction.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic diagram of storage unit.
Fig. 3 is the schematic diagram of methyl alcohol storage tank.
Fig. 4 is the schematic diagram that adds unit.
Fig. 5 is storage unit and the partial enlarged drawing that adds the connecting tube of unit.
Fig. 6 is the schematic diagram of dilution unit.
Embodiment
For making, constitutional features of the present invention and the effect reached are had a better understanding and awareness, in order to preferred embodiment and accompanying drawing, coordinate detailed explanation, be described as follows:
Referring to Fig. 1, methyl alcohol throwing device in a kind of sewage disposal, the methyl alcohol that comprise storage unit 100 for storage methyl alcohol, is used for being stored in storage unit 100 pump out and are shipped to adding unit 200, being used for the ECU 400 that the concentration of methanol solution is diluted the dilution unit 300 of allotment and be used for controlling unit work of dilution unit 300.
During product work, at first pump out and be shipped to dilution unit 300 by adding the methanol solution that unit 200 will be stored in storage unit 100, dilution unit 300 is diluted allotment to methanol solution again, by dilution unit 300, the methanol solution after mixed diluting is outputed to each biochemistry pool finally and adds a little.
Referring to Fig. 2, storage unit 100 comprises methyl alcohol storage tank 110, and storage unit 100 is provided with four methyl alcohol storage tanks 110 in the present embodiment.Methyl alcohol storage tank 110 is buried storage tank, is arranged in concrete sump 120, and top is provided with fine sand 130 and buries, and the pond face of concrete sump is provided with concrete cover 140 cappings, guarantees the safety of the methyl alcohol storage of methyl alcohol storage tank 110 by such design.
For guaranteeing the non-corrosibility of methyl alcohol storage tank 110, the internal surface of methyl alcohol storage tank 110 is disposed with three layers of conductive polyurethane ins and outs and four layers of urethane conduction finish paint from the inside to the outside, the outside surface of methyl alcohol storage tank 110 is disposed with the super thick slurry paint of two-layer epoxy zinc-rich rust-proofing primer, one deck epoxy micaceous iron oxide rustproof paint and two-layer bituminous epoxy from the inside to the outside, adds intensity level anticorrosion.
, referring to Fig. 3, be provided with liquid-inlet pipe 111, drain pipe 112, liquidometer 113, anti-explosion fire-retardant breather valve 114, motor-operated control valve 115 on methyl alcohol storage tank 110.Liquidometer 113, motor-operated control valve 115 connect ECU 400.Liquid-inlet pipe 111 is methanol solution to be inputted the entrance of methyl alcohol storage tank 110, and drain pipe 112 is methanol solution to be exported the outlet of methyl alcohol storage tank 110; Liquidometer 113 is used for showing the liquid level storage of each methyl alcohol storage tank 110, and with ECU 400, is connected, and can realize the two position automatic alarm and automatically switch for medicine; Anti-explosion fire-retardant breather valve 114 is used for controlling methyl alcohol storage tank 110 and the exhaust of space outerpace UNICOM; Control valve 115 is controlled the opening and closing of import and export of methyl alcohol storage tanks 110, and because control valve 115 is connected with ECU 400, so by automatically controlled unit 400, can manipulate control valve 115 directly.
Also be provided with access hole 150 above methyl alcohol storage tank 110, access hole 150 comprises adding takes over 151, adds to take over 151 and be arranged at methyl alcohol storage tank 110 tops, and adds and take over 151 and exceed 1 meter left and right of tank body, equals to have extended neck.Its major advantage is that design can, so that access hole can see through mix the earth cover plate, be convenient to install other accessories like this because methyl alcohol storage tank 110 is embedded in undergroundly.Mouth of pipe neck is stretched height simultaneously, and convenient inspection, maintenance, operation are used, and the mouth of pipe directly is placed on the cylindrical shell plane can't reach above-mentioned advantage.
, referring to Fig. 4, add unit 200 and comprise and add volume pump 230 for what the methanol solution with methyl alcohol storage tank 110 pumped out; Be used for controlling the motor-operated control valve 220 of methanol solution turnover; The strainer 210 that is used for the impurity of filtration methanol solution; Can produce constant back pressure in system pipeline, eliminate and to add the caused dosage of point pressure fluctuation and change, guarantee metering accurately, and can prevent the back pressure valve 240 of siphon; Control the safety relief valve 250 of pressure in pipeline; Be used for stable liquid stream and pressure, slow down pipeline vibration, reduce noise, improve the security ripple damper 260 of pipeline; Show the under meter 270 of flow and the tensimeter 280 of demonstration pressure.
add volume pump 230 and connect storage unit 100 for the methanol solution of methyl alcohol storage tank 110 is pumped out, strainer 210 is arranged at the fluid inlet that adds volume pump 230 and is used for filtering the impurity of methanol solution, motor-operated control valve 220 is arranged at the fluid inlet that adds volume pump 230 and is used for controlling flowing of methanol solution, under meter 270, tensimeter 280, back pressure valve 240, safety relief valve 250 and ripple damper 260 are arranged at and add on volume pump 230 liquid outlets pipeline afterwards, add volume pump 230, under meter 270 is connected with motor-operated control valve and is connected ECU 400, ECU 400 can be controlled the work that adds volume pump 230, and the data that under meter 250 detects can directly be sent to ECU 400, facilitate staff's monitoring.
Referring to Fig. 5, due in adding process, main special emphasis is the suction Cheng Wenti that adds volume pump 230, (the suction journey that generally adds pump is no more than 3 meters), and distant between adding apart from methyl alcohol of the pipeline of methyl alcohol storage tank 110, (15 meters left and right of safe spacing) moreover methyl alcohol storage tank 110 are to put to be embedded in below ground, apart from the about 3 meters left and right of ground level, pipeline is long, and 3 meters drops are arranged,, according to such special status, usually add pump and be difficult to that methanol solution is drawn into dilution unit and dilute.And in the present invention, adopt intubation technique, be that tubule inserts the bassoon method, storage unit 100 and the connecting tube 500 that adds between unit 200 comprise bassoon 510 and tubule 520, the liquid feeding end 511 of bassoon 510 connects the liquid feeding end 521 of the outlet end 512 connection tubules 520 of storage unit 100, bassoon 510, and outlet end 522 connections of tubule 520 add unit 200; And bassoon 510 outlet ends 512 are provided with the standard flange 530 that is complementary with bassoon 510, the liquid feeding end 521 of tubule 520 is provided with the reducing non-standard flange 540 that is complementary with tubule 520, by standard flange 530 and reducing non-standard flange 540 being matched fetch, makes bassoon 510 be connected with tubule 520., through this unique innovation, fundamentally solved and added the difficult problem that the high drop of the long distance of pump can not imbibition.Its advantage: 1. need not increase cost of investment, just change pipeline mounting means method; 2. cost of investment has been fallen at the end, if not adopting this method, to separately establish at the storage tank place pump (so-called transition pump), namely by the transition pump, first methanol liquid is drawn up in tank, be drawn into the on-line dilution device by volume pump again in the bucket of separately establishing on ground level in being input between methyl alcohol, this method cost of investment has improved with regard to corresponding, and adopts method of the present invention just to save this link; 3. improved safety coefficient, as establish the transition pump on storage tank, needed electricity consumption, tank field electricity consumption meeting nearby produces many unsafe factors, can cause potential safety hazard.
Referring to Fig. 6, dilution unit 300 comprises motor-operated control valve 311, be used for explosion-proof explosion-proof solenoid valve 310, be used for regulating internal pipe pressure relief valve 320, detect internal pipe pressure tensimeter 330, detect flow under meter 340, be used for water filling and inject the water-jet exhauster 350 of methanol solution and be used for water and methanol solution are carried out the static mixer 360 of mixing preparation.
Explosion-proof solenoid valve 310, relief valve 320, tensimeter 330, under meter 340, water-jet exhauster 350 and static mixer 360 all are arranged on the pipeline of dilution unit 300 inside; Under meter 340 is connected with motor-operated control valve and is connected ECU 400.The data that under meter 340 detects can directly be presented in ECU 400, and ECU 400 also can directly be controlled the opening and closing of motor-operated control valve 311.
In the present invention, because methyl alcohol is inflammable and explosive substances, higher for the pipeline connection request, all pipelines must conduct electricity in intercommunication, prevent static.General bore adopts silk thread mouth to connect the following person of DN25, generally with raw material band, seal during connection, but raw material band is the PVC Plastic Rubber Products, with raw material band, can make the pipe place of connecing intercept conduction.Our electrically conducting coating that adopts a kind of metal-powder and anaerobic glue (a kind of caking agent) to be in harmonious proportion is applied on mouth of pipe silk thread mouth and is connected for this reason, because metal-powder has electric action, connect rear conduction problem thereby solved pipeline, also ensured methyl alcohol throwing device equipment operating safety.Present method is better than weldprocedure, is convenient to dismounting maintenance pipe fitting, as inconvenient dismounting of welding.
In sum, it is only preferred embodiment of the present invention, not be used for limiting scope of the invention process, all equalizations of according to the described shape of the claims in the present invention scope, structure, feature and spirit, doing change and modify, and all should be included in claim scope of the present invention.
Claims (9)
1. the methyl alcohol throwing device in a sewage disposal, comprise storage unit, it is characterized in that, also comprise and add unit, dilution unit and ECU, described storage unit connects and adds unit by pipeline, add unit and connect dilution unit by pipeline, described ECU connects storage unit, add unit and dilution unit, described storage unit and the connecting tube that adds between unit comprise bassoon and the tubule of carrying methanol solution, the liquid feeding end of bassoon connects storage unit, the outlet end of bassoon connects the liquid feeding end of tubule, the outlet end connection of tubule adds unit, the bassoon outlet end is provided with the standard flange that is complementary with bassoon, and the liquid feeding end of tubule is provided with the reducing non-standard flange that is complementary with tubule, and described standard flange and reducing non-standard flange are matched.
2. the methyl alcohol throwing device in a kind of sewage disposal according to claim 1, it is characterized in that, described storage unit comprises the methyl alcohol storage tank, described methyl alcohol storage tank is buried storage tank, be arranged in concrete sump, top is provided with fine sand and buries, and the pond face of concrete sump is provided with the concrete cover capping.
3. the methyl alcohol throwing device in a kind of sewage disposal according to claim 2, it is characterized in that, described storage unit comprises at least more than one methyl alcohol storage tank, be provided with liquid-inlet pipe, drain pipe, liquidometer, anti-explosion fire-retardant breather valve, motor-operated control valve on described methyl alcohol storage tank, described liquidometer, motor-operated control valve connect ECU.
4. the methyl alcohol throwing device in a kind of sewage disposal according to claim 2, it is characterized in that, the internal surface of described methyl alcohol storage tank is disposed with three layers of conductive polyurethane ins and outs and four layers of urethane conduction finish paint from the inside to the outside, and the outside surface of described methyl alcohol storage tank is disposed with the super thick slurry paint of two-layer epoxy zinc-rich rust-proofing primer, one deck epoxy micaceous iron oxide rustproof paint and two-layer bituminous epoxy from the inside to the outside.
5. the methyl alcohol throwing device in a kind of sewage disposal according to claim 2, is characterized in that, the top of described methyl alcohol storage tank is provided with access hole, and described access hole comprises and add adapter, described add to take over be arranged at methyl alcohol storage tank top.
6. the methyl alcohol throwing device in a kind of sewage disposal according to claim 1, is characterized in that, the described unit that adds comprises and adds volume pump, motor-operated control valve, strainer, back pressure valve, safety relief valve, ripple damper, under meter and tensimeter; Add volume pump and connect storage unit, motor-operated control valve, strainer are arranged at the fluid inlet that adds volume pump, back pressure valve, safety relief valve, ripple damper, under meter and tensimeter are arranged at and add on volume pump liquid outlet pipeline afterwards, described volume pump, motor-operated control valve, the under meter connection ECU of adding.
7. the methyl alcohol throwing device in a kind of sewage disposal according to claim 1, it is characterized in that, described dilution unit comprises motor-operated control valve, explosion-proof solenoid valve, relief valve, tensimeter, under meter, water-jet exhauster and static mixer, described explosion-proof solenoid valve, relief valve, tensimeter, under meter, water-jet exhauster and static mixer all are arranged on the pipeline of dilution unit inside, and under meter is connected ECU with motor-operated control valve.
8. the methyl alcohol throwing device in a kind of sewage disposal according to claim 7, it is characterized in that, described dilution unit also comprises Visible Counterflow vacuum breaker and line strainer, and described Visible Counterflow vacuum breaker, motor-operated control valve and line strainer are arranged on the liquid-inlet pipe of dilution unit.
9. the methyl alcohol throwing device in a kind of sewage disposal according to claim 1, is characterized in that, adopts silk thread mouth to be connected between described pipeline and pipeline, and junction is provided with raw material band, and described junction also scribbles electrically conducting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101081750A CN102145935B (en) | 2011-04-28 | 2011-04-28 | Methanol adding device used in sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101081750A CN102145935B (en) | 2011-04-28 | 2011-04-28 | Methanol adding device used in sewage treatment |
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| CN102145935A CN102145935A (en) | 2011-08-10 |
| CN102145935B true CN102145935B (en) | 2013-11-13 |
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| CN2011101081750A Active CN102145935B (en) | 2011-04-28 | 2011-04-28 | Methanol adding device used in sewage treatment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736599A (en) * | 2014-01-14 | 2014-04-23 | 中国矿业大学(北京) | Full-automatic flotation reagent quantitative adding system |
| CN110304721A (en) * | 2019-07-08 | 2019-10-08 | 重庆川维石化工程有限责任公司 | A kind of carbon source dosing system for waste water control |
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| CN1636897A (en) * | 2004-12-09 | 2005-07-13 | 华东师范大学 | Multi-point throwing device for throwing microbial prepn to water sludge |
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| CN202030575U (en) * | 2011-04-28 | 2011-11-09 | 张家港市春泰环保机械工程有限公司 | Methanol feeder in sewage processing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2963139B2 (en) * | 1990-05-11 | 1999-10-12 | カヤバ工業株式会社 | Control method of hydraulic system |
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2011
- 2011-04-28 CN CN2011101081750A patent/CN102145935B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1636897A (en) * | 2004-12-09 | 2005-07-13 | 华东师范大学 | Multi-point throwing device for throwing microbial prepn to water sludge |
| JP2007237144A (en) * | 2006-03-13 | 2007-09-20 | Hitachi Plant Technologies Ltd | Nitrogen containing water treatment process and arrangement |
| CN200940094Y (en) * | 2006-03-28 | 2007-08-29 | 上海奥德水处理科技有限公司 | Powder soaking system for dry powder adding apparatus |
| CN2897410Y (en) * | 2006-05-23 | 2007-05-09 | 武汉市武水自来水科技开发有限公司 | Sodium hypochlorite solution thrower |
| CN201198456Y (en) * | 2008-03-31 | 2009-02-25 | 合肥给水公司 | Full automatic chameleon solution adding apparatus |
| CN201288084Y (en) * | 2008-10-29 | 2009-08-12 | 张明亮 | Automatic throwing-adding bearing duct system for sodium hypochlorite |
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