CN204093291U - A kind of oxidation spray cleaning device to waste gas in refuse disposal - Google Patents
A kind of oxidation spray cleaning device to waste gas in refuse disposal Download PDFInfo
- Publication number
- CN204093291U CN204093291U CN201420557015.3U CN201420557015U CN204093291U CN 204093291 U CN204093291 U CN 204093291U CN 201420557015 U CN201420557015 U CN 201420557015U CN 204093291 U CN204093291 U CN 204093291U
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- tower body
- waste gas
- electrolysis
- water trough
- cleaning device
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Abstract
The utility model discloses a kind of oxidation spray cleaning device to waste gas in refuse disposal, comprise tower body and be arranged on the air exit on tower body top, be arranged on the waste gas inlet tube of tower body bottom, and being provided with waste gas outlet extending on the waste gas inlet tube in tower body; Described waste gas inlet tube is provided with air-introduced machine, it is characterized in that: be provided with brine electrolysis spray equipment in described tower body, and the bottom of tower body is provided with electrolysis water trough, electrolysis water trough is by pipeline connection brine electrolysis spray equipment; Be provided with one or some deflectors in tower body below described brine electrolysis spray equipment, be provided with electrolytic pole board purifier in the tower body around deflector, electrolyzing purifier connects DC electrolysis rectifier and an external ozone (O by wire
3) manufacture device.The utility model is reasonable in design, can not cause secondary pollution after discharge, and treatment effect is stablized, and most of organic exhaust gas is cleaned, and avoids contaminated environment, has saved the energy, improves the purification clearance of organic exhaust gas in waste gas.
Description
Technical field
The utility model belongs to oxidation reaction to waste gas disposal facility field, specifically, relates to a kind of to refuse disposal or oxidation reaction spray cleaning device that is coal-fired and industrial waste gas.
Background technology
Current domestic rubbish disposal generally adopts burning, biochemistry, anaerobic process to process, a large amount of organic exhaust gas can be produced namely: rubbish is converted into solid slag process from solid-liquid can produce large quantity of exhaust gas as organic waste gas such as bioxin, the SO having secondary pollution or produce because of coal-fired and industrialization
2hNO
3or have NH in garbage disposal
3, H
3s, the organic exhaust gas such as NO, mostly adopt acid-base neutralization spray washing method or active carbon adsorption and add matchmaker's promoter method or plasma method purified treatment, still there is large quantity of exhaust gas, reaction or ionization purification can not be neutralized completely, especially organic waste gas, therefore secondary pollution problem is still had in discharge, and treatment effect is also stable not, especially new national waste gas emission standard CB18485-2014 has been put into effect this year, improve the discharge index requirement to various organic waste gas, so legal in soda acid, medium promoter, active carbon adsorption, ionization method can not adapt to reach new national standard discharge standard.
Utility model content
The technical problems to be solved in the utility model overcomes above-mentioned defect, provides a kind of to oxidation reaction spray cleaning device that is various and refuse disposal waste gas.
For solving the problem, the technical scheme that the utility model adopts is:
To an oxidation spray cleaning device for waste gas in refuse disposal, comprise tower body and be arranged on the air exit on tower body top, be arranged on the waste gas inlet tube of tower body bottom, and being provided with waste gas outlet extending on the waste gas inlet tube in tower body; Described waste gas inlet tube is provided with air-introduced machine, it is characterized in that: described tower body is provided with brine electrolysis spray equipment, and the bottom of tower body is provided with electrolysis water trough, electrolysis water trough is by pipeline connection brine electrolysis spray equipment; Be provided with one or some deflectors in tower body below described brine electrolysis spray equipment, be provided with electrolyzing purifier in the tower body around deflector, electrolyzing purifier connects DC electrolysis rectifier by wire; Under positive/negative plate and the effect of current concentration setting value, and pole plate adopts net like to facilitate aqueous vapor to react, and described tower body is provided with the circulating water cooling device corresponding with electrolysis water trough; The bottom of described tower body is provided with runs through tower body and the drain valve being communicated with electrolysis water trough.
As a kind of technical scheme of optimization, described brine electrolysis spray equipment comprise be arranged on tower body inside top and side on some shower nozzles, shower nozzle by electrolysis water pipe connect electrolysis water trough; Described tower body is provided with the brine electrolysis discharge outlet be communicated with electrolysis water trough, brine electrolysis discharge outlet is communicated with electrolysis water pipe.
As a kind of technical scheme of optimization, described deflector is be arranged on the inner and honeycomb fashion deflector that cross section is identical with tower body inner section of tower body.
As a kind of technical scheme of optimization, described electrolyzing purifier comprises the some groups of both positive and negative polarity electroplaxs be arranged in tower body, and both positive and negative polarity electroplax is connected on DC electrolysis rectifier by the both positive and negative polarity battery lead plate entrance be arranged on tower body jointly; Described both positive and negative polarity battery lead plate entrance is provided with automatic control acid or alkali pH value device, automatic control acid or alkali device are connected with PH meter probe.
As a kind of technical scheme of optimization, described circulating water cooling device comprises and is arranged on circulation temperature lowering delivery port bottom tower body and corresponding with electrolysis water trough and runs through tower body and be communicated with the water pump of electrolysis water trough, is communicated with circulating water cooling system between circulation temperature lowering delivery port and water pump.
As a kind of technical scheme of optimization, described tower body is provided with the filler pipe running through tower body, filler pipe is provided with water level controller; Described tower body is provided with the acid running through tower body or alkali and adds pipe and salting liquid adds pipe.
As a kind of technical scheme of optimization, be provided with temperature controller and Salingity Control Equipment in described electrolysis water trough, described temperature controller and Salingity Control Equipment are connected with PLC; PLC connection water channel fluid level controller, automatic control acid or alkali pH value device and DC electrolysis rectifier also set current concentration and polar plate area.
As a kind of technical scheme of optimization, the lateral surface of described tower body is upper outside is equipped with ozone generator, and by its O
3gas is input in electrolysis water trough respectively with in tower body.
Owing to have employed technique scheme, compared with prior art, the utility model passes through DC electrolysis rectifier by the mode of direct current positive/negative plate, carry out in the tank containing certain salinity in the current concentration and pH value and temperature range of setting, or with Rinsing Area not containing in salinity water, produce a large amount of Cl+HClO+O by electrolytic saltwater
3+ OH+NaOH these contain oxonium ion active state under brine electrolysis have active oxonium ion, or with clear water by electrolysis produce 0
3+ 0H+0
2+ H
2+ CO
2+ CO, once by this water by spray mode in scrubbing tower reverse with waste gas contact after, just create oxidation reaction with waste gas, so can be quick by NO, the NO in waste gas
2, H
2s
-, HCI
-, SO
2, NH
-deng organic exhaust gas, generate N by oxidation reaction
2+ CO
2+ H
2+ H
2o+Cl
2+ Na (OH)
2, or N after clear water reaction
2+ 0
2+ H
2+ CO
2+ S
20
3, the disposable qualified discharge of the waste gas for this reason discharged, and meet this year new toxic emission GB CB18484-2014 and treatment effect stablize, will contribute for Blue Sky Project.
The utility model is reasonable in design, can not cause secondary pollution after discharge, and treatment effect is stablized, and most of organic exhaust gas is cleaned, and avoids secondary pollution environment, has saved the energy, substantially increases the purification clearance of organic exhaust gas in waste gas.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Detailed description of the invention
Embodiment:
As shown in Figure 1, a kind of oxidation spray cleaning device to waste gas in refuse disposal, comprise tower body and be arranged on the air exit 1 on tower body top, be arranged on the waste gas inlet tube of tower body bottom, and being provided with waste gas outlet 6 extending on the waste gas inlet tube in tower body.Described waste gas inlet tube is provided with air-introduced machine 8.In the use of reality, tower body can pass through the connection successively of air exit 1 and waste gas outlet 6, and the series connection realizing multiple tower body uses, till the emissions standard of last tower reaches GB.。
Described tower body is provided with brine electrolysis spray equipment, and the bottom of tower body is provided with electrolysis water trough 23, electrolysis water trough 23 is by pipeline connection brine electrolysis spray equipment.Be provided with one or some deflectors in tower body below described brine electrolysis spray equipment, be provided with some electrolyzing purifiers in the tower body around deflector, electrolyzing purifier connects DC electrolysis rectifier 17 by wire.Described tower body is provided with the circulating water cooling device corresponding with electrolysis water trough.The bottom of described tower body is provided with runs through tower body and the drain valve 12 being communicated with electrolysis water trough.In addition, on air exit 1, B0D auto testing instrument 24 is provided with as required.
In the present embodiment, described brine electrolysis spray equipment comprise be arranged on tower body inside top and side on some shower nozzles 3, shower nozzle 3 connects electrolysis water trough 23 by electrolysis water pipe 2.Described tower body is provided with the brine electrolysis discharge outlet 14 be communicated with electrolysis water trough 23, brine electrolysis discharge outlet 14 is communicated with electrolysis water pipe 2.
Described deflector is be arranged on the inner and honeycomb fashion deflector 5 that cross section is identical with tower body inner section of tower body.
Described electrolyzing purifier comprises the some groups of both positive and negative polarity electroplaxs 7 be arranged in tower body, and both positive and negative polarity electroplax 7 is connected on DC electrolysis rectifier 17 jointly by the both positive and negative polarity battery lead plate entrance 4 be arranged on tower body.Described both positive and negative polarity battery lead plate entrance 4 is provided with automatic control acid or alkali device 20, automatic control acid or alkali device 20 are connected with PH meter probe.In actual use, both positive and negative polarity electroplax 7, in reticular pattern, is best selection.
Described circulating water cooling device comprises and is arranged on circulation temperature lowering delivery port 13 bottom tower body and corresponding with electrolysis water trough 23 and runs through tower body and be communicated with the water pump 16 of electrolysis water trough, is communicated with circulating water cooling system 15 between circulation temperature lowering delivery port 13 and water pump 16.
Described tower body is provided with the filler pipe 9 running through tower body, filler pipe 9 is provided with water level controller 18.Described tower body is provided with the soda acid running through tower body and adds pipe 10 and salt adds pipe 11.The lateral surface of described tower body is upper outside is equipped with ozone generator 25, and ozone generator 25 is communicated with electrolysis water trough 23, and namely, an external ozone generator is by its O
3be input in electrolysis water trough to add with tower body internal reference and can improve energy-saving efficiency with off-gas oxidizing reaction.In addition, in order to realize the microminiaturization of ozone, ozone generator 25 connects a microbubble generator 26, realizes the microminiaturization of ozone.
Be provided with temperature controller 21 and Salingity Control Equipment 22 in described electrolysis water trough, described temperature controller 21 and Salingity Control Equipment 22 are connected with PLC.PLC connection water channel fluid level controller, automatic control soda acid device and DC electrolysis rectifier and current concentration.Under the control of PLC, setting pH value is between 0-6.5 or 7.5-13, adjustable; Between setting current concentration 10-10000A/dm2, adjustable; Setting DC voltage is between 12-36V, adjustable; Design temperature 470-230 DEG C and 10-160 DEG C, point N group tower of the same type is again with two stages, and namely in N group series connection tower body, progressively cooling substep completes, and uses the external ozone generator of tower body by O if desired
3gas is input to brine electrolysis and tower body internal reference adds oxidation reaction energy-saving effect better, can be suitable for and be beneficial to different medium and organic oxidation Decomposition condition.
The utility model additionally provides a kind of method of operating of the oxidation spray cleaning device to waste gas in refuse disposal, and method of operating is as follows:
1), first the salt solution of water and a certain amount of ratio is entered in electrolysis water trough, add pipe by Salingity Control Equipment and salt and add salting liquid;
2), add acid solution or aqueous slkali reconcile pH value in certain scope of design after, automatically reached by PH meter probe control realization and close down and open function;
3), open DC electrolysis rectifier and start electrolysis, and it is temperature required to adjust automatic control electric solution tank according to different medium demand, opens or closes the water pump connecting circulating water cooling system;
4), the water pump opened on electrolysis water trough sprays up and down in length and breadth, opens the air-introduced machine of waste gas inlet tube simultaneously, and waste gas forms reverse longitudinal direction from upward direction bottom tower body with shower water and contacts;
5), tower body interior formation brine electrolysis circulates and off-gas oxidizing reacts, and workflow just starts circulating work;
6), in work, under automatically regulating pH value scope and saliferous and water temperature setting and DC electrolysis rectifier current and pole plate current concentration and voltage-regulation value matching relationship, O is inputted with the external ozone generator of tower body if desired
3, participate in oxidation reaction better effects if with brine electrolysis, better product oxonium ion and energy-conservation matched size volume production and energy-saving effect can be reached;
7), prevent passivation in positive-negative electrode plate Long-Time Service, plated metal and affect current concentration, therefore adopt at interval of a period of time both positive and negative polarity commutation once;
8), for indivedual waste gas as coal-fired, other industrial product waste gas, waste gas of burning away the refuse, also can adopt clear water electrolysis, namely in salt-free electrolysis water trough, electrolysis is carried out, but other are as pH value, voltage, current concentration, temperature, just sets in normal ranges.If desired with the external ozone generator on tower body by its O
3gas is input to electrolysis water trough and the interior middle participation oxidation reaction of tower body can be more energy-conservation.
In addition, above-mentioned operation is carried out single assembly, when multiple similar tower apparatus series connection uses, according to the size of waste gas Jie quality and quantity, many groups of tower series connection of the same type use, and till the emissions standard of last tower reaches GB, the open operation program often organizing tower is identical.
The utility model gives four kinds of different experimentations:
Test 1. is that 30000m3/h waste gas carries out spray cleaning test to the organic waste tolerance produced of burning away the refuse: in electrolytic cell, defeated DC voltage is 24V, and pole plate current concentration is 4000A/m
2, the positive and negative distance between plates of electrode is 3mm, and polar plate area is 2.4m
2, electrolysis water trough not saliferous is clear water, simultaneously external ozone (O
3)manufacture device to be input in electrolysis water trough with in tower body, pH value keeps and continues to control at 8-9 or 5-6.5, scrubbing tower shower nozzle is ten, top, the spray head in three groups, tower body upper, middle and lower and around corresponding pole plate direction is 109, further by the retentive control of electrolytic cell water temperature between 250-470 DEG C, simultaneously in tower body, be provided with 18 groups of positive-negative electrode plates (for mesh-like) and be distributed in upper, middle and lower three places, voltage is 24V, positive and negative electrode spacing is 15mm, and current concentration is 3000A/m
2, polar plate area is 12m
2, " tower " is designed to 18 groups of towers and adopts tandems so that time delay is distinguished oxidation reaction and kept for the purpose of temperature on an equal basis, first, two, three, four, five, six groups of tower temperature remain between 250-470 DEG C, last several groups of towers adopt cooling system cooling measure, after the adjustment of brine electrolysis temperature, cooling is carried out after oxidation reaction to less than 40 DEG C successively, under waste gas lower temperature after being conveniently cleaned for the purpose of discharge, the organic exhaust gas that result of the test rubbish produces in burning process and dioxin etc., all reach the new waste gas emission standard of country and CB18485-2014 standard, solve world's problem and treatment effect to stablize for this reason.
Test 2: cleaning test is carried out to the 3000M3/H waste gas produced in biochemical process drying tank process: setting electrolytic cell input direct voltage is 36V, and positive and negative spacing motor is 10mm, and pole plate current settings concentration is 2000A/m
2, polar plate area is 0.5m
2electrolysis water trough salt concentration 10 ± 5% sets, pH value also continues between 3-4 or 9-10, scrubbing tower top is 4 spray heads, tower body is upper divides into the spray head establishing 33 corresponding pole plate directions around three groups of correspondences, be provided with 9 groups of battery lead plates in tower body simultaneously and be distributed in upper, middle and lower three places, voltage is that 36V current concentration is set as 2000A/m
2, polar plate area 2m
2polar plate spacing is 6mm, further electrolytic cell water temperature is controlled between 10-40 DEG C (brine electrolysis), be designed to 4 groups of tower series systems with carrying out time delay cell reaction, last group tower brine electrolysis controls below 40 DEG C, after water and organic exhaust gas through spraying electrolysis oxygen-carrying ion carry out oxidation reaction, waste gas and foul smell reach the new waste gas emission standard of country in the lump, do not have secondary pollution and effect stability.
Test 3: to anaerobic biochemical add hanker produce 5000M3/H waste gas test: DC voltage 12V in electrolysis water trough, polar plate voltage concentration is 1300A/m
2, positive and negative electrode spacing is 18mm, and polar plate area is 0.8m
2brine electrolysis salt concentration 25%, it is 6 that pH value setting maintenance continues at 2-4 or 9-11 scrubbing tower top showerhead, further electrolytic cell water temperature " maintenance " is controlled between 60-130 DEG C, tower body upper, middle and lower and bottom establish four groups, shower nozzle amounts to 28, and establish 16 groups of above 4 places of positive-negative electrode plate distribution in tower body, voltage is 12V current concentration is 1300A/m simultaneously
2, polar plate area 4m
2by adopting 11 groups of towers to carry out tandem and arbitrarily carry out time delay reaction after electrolytic oxidation water reaction, last group tower brine electrolysis system regulation that is cooled is less than 40 DEG C, and waste gas 100% reaches new national standard discharge standard and effect stability.
Test 4: to the SO of coal-fired flue-gas
2and HNO
3various industrial waste gas is the same, identical with the design parameter of test 3, and just changing salt solution into clear water (not saliferous) carries out electrolysis, through experimental data and the report of chemical examination parameter, and same various waste gas, SO
2discharge up to standard with nitre, flue gas reaches new national standard standard and effect stability.
The utility model is not limited to above-mentioned preferred embodiment, and anyone should learn the structure change made under enlightenment of the present utility model, and every have identical or akin technical scheme with the utility model, all belongs to protection domain of the present utility model.
Claims (8)
1. to an oxidation spray cleaning device for waste gas in refuse disposal, comprise tower body and be arranged on the air exit on tower body top, be arranged on the waste gas inlet tube of tower body bottom, and being provided with waste gas outlet extending on the waste gas inlet tube in tower body; Described waste gas inlet tube is provided with air-introduced machine, it is characterized in that: described tower body is provided with brine electrolysis spray equipment, and the bottom of tower body is provided with electrolysis water trough, electrolysis water trough is by pipeline connection brine electrolysis spray equipment; Be provided with one or some deflectors in tower body below described brine electrolysis spray equipment, be provided with some electrolyzing purifiers in the tower body around deflector, electrolyzing purifier connects DC electrolysis rectifier by wire; Described tower body is provided with the circulating water cooling device corresponding with electrolysis water trough; The bottom of described tower body is provided with runs through tower body and the drain valve being communicated with electrolysis water trough.
2. the oxidation spray cleaning device to waste gas in refuse disposal according to claim 1, is characterized in that: described brine electrolysis spray equipment comprise be arranged on tower body inside top and side on some shower nozzles, shower nozzle by electrolysis water pipe connect electrolysis water trough; Described tower body is provided with the brine electrolysis discharge outlet be communicated with electrolysis water trough, brine electrolysis discharge outlet is communicated with electrolysis water pipe.
3. the oxidation spray cleaning device to waste gas in refuse disposal according to claim 2, is characterized in that: described deflector is be arranged on the inner and honeycomb fashion deflector that cross section is identical with tower body inner section of tower body.
4. the oxidation spray cleaning device to waste gas in refuse disposal according to claim 3, it is characterized in that: described electrolyzing purifier comprises the some groups of both positive and negative polarity electroplaxs be arranged in tower body, both positive and negative polarity electroplax is connected on DC electrolysis rectifier by the both positive and negative polarity battery lead plate entrance be arranged on tower body jointly; Described both positive and negative polarity battery lead plate entrance is provided with automatic control acid or alkali device, automatic control acid or alkali device are connected with PH meter probe.
5. the oxidation spray cleaning device to waste gas in refuse disposal according to claim 4, it is characterized in that: described circulating water cooling device comprises and is arranged on circulation temperature lowering delivery port bottom tower body and corresponding with electrolysis water trough and runs through tower body and be communicated with the water pump of electrolysis water trough, is communicated with circulating water cooling system between circulation temperature lowering delivery port and water pump.
6. the oxidation spray cleaning device to waste gas in refuse disposal according to claim 5, is characterized in that: described tower body is provided with the filler pipe running through tower body, filler pipe is provided with water level controller; Described tower body is provided with the soda acid running through tower body add pipe and salting liquid add pipe.
7. the oxidation spray cleaning device to waste gas in refuse disposal according to claim 6, it is characterized in that: be provided with temperature controller and Salingity Control Equipment in described electrolysis water trough, described temperature controller and Salingity Control Equipment are connected with PLC; PLC connection water channel fluid level controller, automatic control acid or alkali device and DC electrolysis rectifier.
8. the oxidation spray cleaning device to waste gas in refuse disposal according to claim 7, is characterized in that: an external ozone generator on the lateral surface of described tower body, by its O
3gas is input in electrolysis water trough with in tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420557015.3U CN204093291U (en) | 2014-09-25 | 2014-09-25 | A kind of oxidation spray cleaning device to waste gas in refuse disposal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420557015.3U CN204093291U (en) | 2014-09-25 | 2014-09-25 | A kind of oxidation spray cleaning device to waste gas in refuse disposal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204093291U true CN204093291U (en) | 2015-01-14 |
Family
ID=52261762
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420557015.3U Withdrawn - After Issue CN204093291U (en) | 2014-09-25 | 2014-09-25 | A kind of oxidation spray cleaning device to waste gas in refuse disposal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204093291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226097A (en) * | 2014-09-25 | 2014-12-24 | 杨新玉 | Oxidation spray purification device for waste gas in garbage disposal and operation method of oxidation spray purification device |
| CN106178937A (en) * | 2016-07-19 | 2016-12-07 | 环境保护部南京环境科学研究所 | Garbage loading embeading foul smell collection and treatment device |
-
2014
- 2014-09-25 CN CN201420557015.3U patent/CN204093291U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226097A (en) * | 2014-09-25 | 2014-12-24 | 杨新玉 | Oxidation spray purification device for waste gas in garbage disposal and operation method of oxidation spray purification device |
| CN104226097B (en) * | 2014-09-25 | 2016-08-17 | 杨新玉 | A kind of to the oxidation spray cleaning device of waste gas in refuse disposal and operational approach thereof |
| CN106178937A (en) * | 2016-07-19 | 2016-12-07 | 环境保护部南京环境科学研究所 | Garbage loading embeading foul smell collection and treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |