CN204799094U - Acid -base exhaust chimney tobacco processing system - Google Patents
Acid -base exhaust chimney tobacco processing system Download PDFInfo
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- CN204799094U CN204799094U CN201520372383.5U CN201520372383U CN204799094U CN 204799094 U CN204799094 U CN 204799094U CN 201520372383 U CN201520372383 U CN 201520372383U CN 204799094 U CN204799094 U CN 204799094U
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- scrubbing tower
- exhaust chimney
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Abstract
The utility model discloses an acid -base exhaust chimney tobacco processing system, there is the second grade scrubbing tower that is used for absorbing nitrogen dioxide's medicament with adding, the air intake and the processing procedure board intercommunication of one -level scrubbing tower, the air outlet of one -level scrubbing tower and the air intake of second grade scrubbing tower intercommunication including adding the one -level scrubbing tower that there is the medicament that is used for oxidation nitric oxide. Use the utility model provides a during acid -base exhaust chimney tobacco processing system, by the nitric oxide in the processing procedure board combustion gas because medicament effect reaction generates nitrogen dioxide in the one -level scrubbing tower to coexist in the second grade scrubbing tower because the effect absorbate of medicament is detached nitrogen oxide's gas and is then discharged via follow -up equipment such as chimneys with nitrogen dioxide no. 1 in original waste gas. Because nitrogen oxide is absorbed by abundant, the appearance of tobacco has been avoided at chimney outlet to the event, and then has played environmental protection, reduction air pollution's effect.
Description
Technical field
The utility model relates to environmental protection technical field, more particularly, relates to a kind of soda acid exhaust chimney tobacco treatment system.
Background technology
Day by day serious along with environmental problem, environmental protection and pollution plot have obtained increasing concern.In environmental pollution, atmosphere pollution is very serious, and atmosphere pollution is also all great for the harm of human body, animals and plants and weather.Cause a lot of because have of atmosphere pollution, as the smog etc. that industry, life cooking stove and heating boiler, communications and transportation and forest fire produce.But industrial pollution is an important sources of atmosphere pollution.
Developing rapidly of Now Domestic exoelectron industry, liquid crystal panel industry and photovoltaic industry, the kind of chemicals used and amount also increase thereupon, chemicals tail gas used be treated as the most important thing.But, there is tobacco phenomenon through blowdown stack mouth of being everlasting after treatment in the domestic acid waste gas containing nitrogen oxide (NOx) at present, the Main Ingredients and Appearance of tobacco is nitrogen oxide (NOx), lung can be stimulated after NOx is inhaled into human body, make people be difficult to resist the respiratory disease of flu and so on, and easily cause the poisoning of nitrogen dioxide.Therefore also the task of top priority is become to the process of tobacco (NOx).
How the process for tobacco (NOx) common in prior art is by following flow process: process work bench → wet scrubber tower → blower fan → chimney → air; Wherein, the medicament added in wet scrubber tower is NaOH solution.Directly can not react with NO due to NaOH solution and be absorbed, the overall efficiency thus processed for tobacco (NOx) is lower, is generally only 20%.Therefore, most NOx can be caused with airflow exits to chimney in air, cause the phenomenon still producing a large amount of tobacco at chimney breast.
In sum, how effectively solving the low chimney breast caused of soda acid exhaust chimney tobacco treatment effeciency and produce the problems such as a large amount of tobacco, is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of soda acid exhaust chimney tobacco treatment system, and this soda acid exhaust chimney tobacco treatment system can solve chemical tail gas produces tobacco problem at chimney breast effectively.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of soda acid exhaust chimney tobacco treatment system, comprise the one-level scrubbing tower and the secondary scrubbing tower being added with the medicament for absorbing nitrogen dioxide that are added with for the medicament of oxidization of nitric oxide, the air inlet of described one-level scrubbing tower is communicated with process work bench, and the air outlet of described one-level scrubbing tower is communicated with the air inlet of described secondary scrubbing tower.
Preferably, in above-mentioned soda acid exhaust chimney tobacco treatment system, described one-level scrubbing tower is the scrubbing tower being added with sodium chlorite solution.
Preferably, in above-mentioned soda acid exhaust chimney tobacco treatment system, described secondary scrubbing tower is the scrubbing tower being added with sodium hydroxide solution and sodium hydrosulfide.
Preferably, in above-mentioned soda acid exhaust chimney tobacco treatment system, also comprise three grades of scrubbing towers of the medicament be added with for absorbing sour gas, the air inlet of described three grades of scrubbing towers is communicated with the air outlet of described secondary scrubbing tower.
Preferably, in above-mentioned soda acid exhaust chimney tobacco treatment system, described three grades of scrubbing towers are the scrubbing tower being added with sodium hydroxide solution and liquor natrii hypochloritis.
Preferably, in above-mentioned soda acid exhaust chimney tobacco treatment system, in described one-level scrubbing tower and described secondary scrubbing tower, Ha Kaideng filler is provided with.
Preferably, in above-mentioned soda acid exhaust chimney tobacco treatment system, the water circulating pump of described one-level scrubbing tower and described secondary scrubbing tower is polypropylene water pump or fiber glass reinforced polypropylene pipe water pump.
Preferably, in above-mentioned soda acid exhaust chimney tobacco treatment system, the cleaning solution carrier pipe of described one-level scrubbing tower and described secondary scrubbing tower is PVC-U carrier pipe.
The soda acid exhaust chimney tobacco treatment system that the utility model provides comprises one-level scrubbing tower and secondary scrubbing tower.Wherein, the air inlet of one-level scrubbing tower is communicated with process work bench, and air outlet is communicated with secondary scrubbing tower, the gas of being discharged by process work bench first after the purified treatment of one-level scrubbing tower again through the purified treatment of secondary scrubbing tower.Being added with the medicament for oxidization of nitric oxide in one-level scrubbing tower, in secondary scrubbing tower, being added with the medicament for absorbing nitrogen dioxide.
During the soda acid exhaust chimney tobacco treatment system that application the utility model provides, the waste gas of being discharged by process work bench is introduced into one-level scrubbing tower.Owing to being added with the medicament for oxidization of nitric oxide in one-level scrubbing tower, therefore nitric oxide generates nitrogen dioxide because pharmacy effect reacts in one-level scrubbing tower, and together enters into secondary scrubbing tower with original waste gas.Owing to being added with the medicament for absorbing nitrogen dioxide in secondary scrubbing tower, therefore the nitrogen dioxide in gas, be included in original nitrogen dioxide in nitrogen dioxide next by oxidation of nitric oxide in one-level scrubbing tower and waste gas, because the effect of medicament is absorbed in secondary scrubbing tower, the gas removing nitrogen oxide is then discharged via follow-up equipments such as chimneys.Because nitrogen oxide is fully absorbed, therefore avoid the appearance of tobacco at chimney breast, and then serve protection of the environment, the effect of minimizing air-polluting.
In a preferred embodiment, the soda acid exhaust chimney tobacco treatment system that the utility model provides also comprises three grades of scrubbing towers, the air inlet of three grades of scrubbing towers is communicated with the air outlet of secondary scrubbing tower, and is added with the medicament for absorbing sour gas in three grades of scrubbing towers.Therefore, it is possible to effectively absorb the sour gas that may contain in the gas after one-level scrubbing tower and the process of secondary scrubbing tower, and then avoid the pollution that the intermediate product introduced in one-level scrubbing tower and the process of secondary scrubbing tower or accessory substance etc. cause air.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The main TV structure schematic diagram of a kind of detailed description of the invention of soda acid exhaust chimney tobacco treatment system that Fig. 1 provides for the utility model;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the A-A schematic cross-section of Fig. 2;
Fig. 4 is the backsight structural representation of Fig. 1.
In accompanying drawing, mark is as follows:
One-level scrubbing tower 1, secondary scrubbing tower 2, three grades of scrubbing tower 3, Ha Kaideng fillers 4, water circulating pump 5, baffle plate 6, liquid level gauge 7, overflow tapping valve 8, flange 9 is reserved in electrical heating, flase floor 10; In accompanying drawing, modest arrow direction is gas flow.
Detailed description of the invention
The utility model embodiment discloses a kind of soda acid exhaust chimney tobacco treatment system, produces white cigarette, effectively reduce air pollution when being discharged by chimney breast to avoid chemical tail gas.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 4, the main TV structure schematic diagram of a kind of detailed description of the invention of soda acid exhaust chimney tobacco treatment system that Fig. 1 provides for the utility model; Fig. 2 is the plan structure schematic diagram of Fig. 1; Fig. 3 is the A-A schematic cross-section of Fig. 2; Fig. 4 is the backsight structural representation of Fig. 1.
In a kind of detailed description of the invention, the soda acid exhaust chimney tobacco treatment system that the utility model provides comprises one-level scrubbing tower 1 and secondary scrubbing tower 2.
Wherein, one-level scrubbing tower 1 is for being nitrogen dioxide by the oxidation of nitric oxide in waste gas.Its air inlet is communicated with process work bench, and air outlet is communicated with secondary scrubbing tower 2.Namely by process work bench gas out first after the purified treatment of one-level scrubbing tower 1 again through the purified treatment of secondary scrubbing tower 2.The medicament for oxidization of nitric oxide is added with in one-level scrubbing tower 1, therefore, nitric oxide in the waste gas of being discharged by process work bench generates nitrogen dioxide because pharmacy effect reacts in one-level scrubbing tower 1, and together enters into secondary scrubbing tower 2 with original waste gas.
The medicament for absorbing nitrogen dioxide is added with in secondary scrubbing tower 2, nitrogen dioxide in gas, be included in original nitrogen dioxide in nitrogen dioxide next by oxidation of nitric oxide in one-level scrubbing tower 1 and waste gas, because the effect of medicament is absorbed in secondary scrubbing tower 2, the gas removing nitrogen oxide is then discharged via follow-up equipments such as chimneys.
Concrete, the structure of one-level scrubbing tower 1 and secondary scrubbing tower 2 can with reference to scrubbing tower of the prior art, as the setting of air inlet and air outlet, baffle plate 6, overflow tapping valve 8, electrical heating are reserved flange 9, water compensating valve, flase floor 10, shower, with reference to prior art, can be repeated no more for the structure of the observation window, liquid level gauge 7 etc. that provide the different purposes of water circulating pump 5 and each position spraying power herein.
Further, in one-level scrubbing tower 1 and secondary scrubbing tower 2, Ha Kaideng filler 4 (JaegerTri-Packs) can be set, Ha Kaideng filler 4 is that the barrier of many branches forms hollow Ball-type packing, and add the symmetrical bar structure that drips, these features are conducive to the renewal of the wetting of filling surface and liquid film, due to the porous nickel that barrier is piled up in tower, be conducive to the distribution of gas-liquid and reduce air-flow by the resistance of bed body, being particularly suitable for GAS ABSORPTION and tail gas clean-up.The specification of concrete Ha Kaideng Ball-type packing can be 3.5, and material is polypropylene (PP).
Further, because one-level scrubbing tower 1 and secondary scrubbing tower 2 are for the treatment of acidic and alkaline gas, thus be the vent gas treatment effect of both guarantees, one-level scrubbing tower 1 can be polypropylene (PP) water pump or fiber glass reinforced polypropylene pipe (FRPP) water pump with the water circulating pump 5 of secondary scrubbing tower 2, thus has good resistance to acids and bases.Certainly, as required, other also can be adopted to have the water pump of good resistance to acids and bases.Based on the consideration of resistance to acids and bases, one-level scrubbing tower 1 can adopt PVC-U (U-PVC) carrier pipe with the cleaning solution carrier pipe of secondary scrubbing tower 2, and its specification concrete can be English mark SCH80 grade, baffle plate 6, flase floor 10 etc. can adopt fiber-reinforced composite material board (FRP).
Concrete, the medicament in one-level scrubbing tower 1 can select sodium chlorite solution.Therefore, in one-level scrubbing tower 1, the main reaction occurred is: 2NO+NaClO
2→ 2NO
2+ NaCl.Namely, nitric oxide and sodium chlorite solution react and are oxidized to nitrogen dioxide.It is to be noted, except sodium chlorite solution, also can consider to select other can react with nitric oxide the medicament being oxidized to nitrogen dioxide, as potassium permanganate etc., but consider nitric oxide absorptivity, cost and to factors such as the requirements of device structure, the general sodium chlorite solution that selects can obtain good effect.
What the medicament in secondary scrubbing tower 2 was concrete can select sodium hydroxide solution and sodium hydrosulfide.Therefore, the key reaction occurred in secondary scrubbing tower 2 is: 8NO
2+ 2NaHS+8NaOH → 8NaNO
2+ Na
2s
2o
3+ 5H
2o.Namely, nitrogen dioxide and sodium hydroxide solution and sodium hydrosulfide react and are converted into sodium nitrite solution.It is pointed out that except sodium hydroxide solution and sodium hydrosulfide, also can consider to select other can absorb the medicament of nitrogen dioxide, also can play as adopted sodium hydroxide solution in prior art the effect absorbing nitrogen dioxide.But interpolation sodium hydroxide solution and nitrogen dioxide react separately, lower to the absorption efficiency of nitrogen dioxide, and the mixed solution adding sodium hydroxide solution and sodium hydrosulfide can obtain good nitrogen dioxide absorptivity.
On the basis of the various embodiments described above, three grades of scrubbing towers 3 can be set further, the air inlet of three grades of scrubbing towers 3 is communicated with the air outlet of secondary scrubbing tower 2, and namely gas enters three grades of scrubbing towers 3 again and processes after the purified treatment of one-level scrubbing tower 1 and secondary scrubbing tower 2.The medicament for absorbing sour gas is added with, the absorption such as sour gas in the accessory substance thus reaction due to one-level scrubbing tower 1 or secondary scrubbing tower 2 can introduced or gas in three grades of scrubbing towers 3.Concrete, when when being provided with secondary scrubbing tower 2 and be added with sodium hydroxide solution and sodium hydrosulfide in secondary scrubbing tower, then may produce H
2s gas.Therefore, the medicament added in three grades of scrubbing towers can with H
2s gas reaction, by H
2s GAS ABSORPTION.The structure of three grades of scrubbing towers 3 specifically can be arranged with the structure of secondary scrubbing tower 2 with reference to above-mentioned one-level scrubbing tower 1, is not described in detail here.
Concrete, can add sodium hydroxide solution and liquor natrii hypochloritis in three grades of scrubbing towers 3, therefore, in three grades of scrubbing towers 3, the main reaction occurred comprises: H
2s+4NaClO+2NaOH → Na
2sO
4+ 4NaCl+2H
2o.Namely, H
2s gas and sodium hydroxide solution and liquor natrii hypochloritis react and are converted into metabisulfite solution.Certainly, time in gas containing other sour gas, other sour gas also can react with sodium hydroxide solution or liquor natrii hypochloritis and be absorbed.It is pointed out that except sodium hydroxide solution and liquor natrii hypochloritis, also can from the medicament that can correspondingly absorb sour gas according to the different interpolations of concrete sour gas in three grades of scrubbing towers 3.Therefore, by the setting of three grades of scrubbing towers 3, effectively can absorb the sour gas in gas, and then avoid sour gas and discharge the atmosphere pollution caused.
It is pointed out that in scrubbing tower at different levels, according to the principle of chemical reaction, for reaching best treatment effect, the chemical time of each material can be increased, fully reacting to enable the material in scrubbing tower at different levels.Concrete chemical time can be controlled by the length etc. of controlled wind speed and washing inner-tower filling material at different levels.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a soda acid exhaust chimney tobacco treatment system, it is characterized in that, comprise be added with for the medicament of oxidization of nitric oxide one-level scrubbing tower (1) and be added with the secondary scrubbing tower (2) of the medicament for absorbing nitrogen dioxide, the air inlet of described one-level scrubbing tower (1) is communicated with process work bench, and the air outlet of described one-level scrubbing tower (1) is communicated with the air inlet of described secondary scrubbing tower (2).
2. soda acid exhaust chimney tobacco treatment system according to claim 1, is characterized in that, described one-level scrubbing tower (1) is for being added with the scrubbing tower of sodium chlorite solution.
3. soda acid exhaust chimney tobacco treatment system according to claim 2, is characterized in that, described secondary scrubbing tower (2) is for being added with the scrubbing tower of sodium hydroxide solution and sodium hydrosulfide.
4. the soda acid exhaust chimney tobacco treatment system according to any one of claim 1-3, it is characterized in that, also comprise three grades of scrubbing towers (3) of the medicament be added with for absorbing sour gas, the air inlet of described three grades of scrubbing towers (3) is communicated with the air outlet of described secondary scrubbing tower (2).
5. soda acid exhaust chimney tobacco treatment system according to claim 4, is characterized in that, described three grades of scrubbing towers (3) are for being added with the scrubbing tower of sodium hydroxide solution and liquor natrii hypochloritis.
6. soda acid exhaust chimney tobacco treatment system according to claim 1, is characterized in that, is provided with Ha Kaideng filler (4) in described one-level scrubbing tower (1) and described secondary scrubbing tower (2).
7. soda acid exhaust chimney tobacco treatment system according to claim 6, it is characterized in that, the water circulating pump (5) of described one-level scrubbing tower (1) and described secondary scrubbing tower (2) is polypropylene water pump or fiber glass reinforced polypropylene pipe water pump.
8. soda acid exhaust chimney tobacco treatment system according to claim 7, is characterized in that, the cleaning solution carrier pipe of described one-level scrubbing tower (1) and described secondary scrubbing tower (2) is PVC-U carrier pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520372383.5U CN204799094U (en) | 2015-06-02 | 2015-06-02 | Acid -base exhaust chimney tobacco processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520372383.5U CN204799094U (en) | 2015-06-02 | 2015-06-02 | Acid -base exhaust chimney tobacco processing system |
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| CN204799094U true CN204799094U (en) | 2015-11-25 |
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| CN201520372383.5U Active CN204799094U (en) | 2015-06-02 | 2015-06-02 | Acid -base exhaust chimney tobacco processing system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435570A (en) * | 2015-12-07 | 2016-03-30 | 重庆多邦科技股份有限公司 | Dust removing device for flue gas |
| CN106823746A (en) * | 2017-03-07 | 2017-06-13 | 苏州清控环保科技有限公司 | A kind of tobacco remover and preparation method thereof |
| CN107029539A (en) * | 2017-04-07 | 2017-08-11 | 上海盛剑环境***科技有限公司 | A kind of processing method of the waste gas containing oxynitrides |
| CN107149863A (en) * | 2017-06-28 | 2017-09-12 | 上海盛剑环境***科技有限公司 | Nitrogen dioxide waste gas processing system |
| CN107312183A (en) * | 2017-08-03 | 2017-11-03 | 山西绿能新动力环保科技有限公司 | A kind of environment-friendly production process of nitro humus acid potassium |
| CN107400244A (en) * | 2017-08-03 | 2017-11-28 | 山西绿能新动力环保科技有限公司 | A kind of environment-friendly production process of nitric fulvic acid potassium |
| CN109621686A (en) * | 2019-02-20 | 2019-04-16 | 上海盛剑环境***科技股份有限公司 | A kind of processing method of the exhaust gas containing oxynitrides and volatile acid |
-
2015
- 2015-06-02 CN CN201520372383.5U patent/CN204799094U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435570A (en) * | 2015-12-07 | 2016-03-30 | 重庆多邦科技股份有限公司 | Dust removing device for flue gas |
| CN106823746A (en) * | 2017-03-07 | 2017-06-13 | 苏州清控环保科技有限公司 | A kind of tobacco remover and preparation method thereof |
| CN107029539A (en) * | 2017-04-07 | 2017-08-11 | 上海盛剑环境***科技有限公司 | A kind of processing method of the waste gas containing oxynitrides |
| CN107149863A (en) * | 2017-06-28 | 2017-09-12 | 上海盛剑环境***科技有限公司 | Nitrogen dioxide waste gas processing system |
| CN107312183A (en) * | 2017-08-03 | 2017-11-03 | 山西绿能新动力环保科技有限公司 | A kind of environment-friendly production process of nitro humus acid potassium |
| CN107400244A (en) * | 2017-08-03 | 2017-11-28 | 山西绿能新动力环保科技有限公司 | A kind of environment-friendly production process of nitric fulvic acid potassium |
| CN109621686A (en) * | 2019-02-20 | 2019-04-16 | 上海盛剑环境***科技股份有限公司 | A kind of processing method of the exhaust gas containing oxynitrides and volatile acid |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201821 room 2, 2 floor, 2, 2229 Yongsheng Road, Jiading District industrial area, Shanghai. Patentee after: Shanghai Sheng Jian environmental system Polytron Technologies Inc Address before: 201821 25F, Taihu Shijia International Building, 1198 De Fu Road, Jiading District, Shanghai Patentee before: SHANGHAI SHENGJIAN ENVIRONMENT SYSTEM TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |