CN202823157U - Ammonia desulfuration and denitration reactor with aeration device - Google Patents
Ammonia desulfuration and denitration reactor with aeration device Download PDFInfo
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- CN202823157U CN202823157U CN 201220525319 CN201220525319U CN202823157U CN 202823157 U CN202823157 U CN 202823157U CN 201220525319 CN201220525319 CN 201220525319 CN 201220525319 U CN201220525319 U CN 201220525319U CN 202823157 U CN202823157 U CN 202823157U
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Abstract
The utility model discloses an ammonia desulfuration and denitration reactor with an aeration device. The reactor comprises a reaction tank body, wherein a gas collection pipe and a catalyst feeding port are arranged on a top cover of the reaction tank body; a liquid inlet is formed in the top of one side of the reaction tank body; a plurality of layered discharging openings are formed in the bottom of one side of the reaction tank body; an accident discharging opening, a gas inlet pipe, a liquid discharging pipe and a slag discharging opening are respectively arranged on the other side of the reaction tank body from top to bottom; a screening plate is arranged in the reaction tank body and is close to the lower part of the reaction tank body; a plurality of layers of aeration disks are arranged on the upper part of the screening plate; each layer of aeration disk consists of a plurality of gas distribution pipes; and the two sides of each gas distribution pipe are respectively connected with a plurality of aeration pipes and are connected with the gas inlet pipe through pipelines.
Description
Technical field:
The utility model relates to technical field of chemical, particularly a kind of reactor of ammonia process of desulfurization denitration band aerator.
Background technology:
China's per GDP sulfur dioxide and nitrogen oxide emission are 8-9 times of developed country.SO
2Be the topmost atmosphere pollution of China, China is maximum in the world SO
2Discharging country, discharge capacity ranks first in the world, and has surpassed the self-purification capacity of China's atmospheric environment, and year precipitation pH value accounts for 40% of area less than 5.6 zone, causes the tremendous economic loss.Statistics shows, the first half of the year in 2011, in the four large major pollutants the binding indicators, COD, SO2 emissions continue to descend, but newly-increased index ammonia nitrogen discharge capacity only descends 0.73%, and nitrogen oxide emission rises 6.17% on the contrary.
Along with the development of Technological Economy, the going deep into of circular economy concept, ammonia process highlights its advantage, except desulfuration efficiency is high, has also developed and has removed part NO
XTechnology.Adopt ammonia fertilizer method flue gas desulfurization and denitrification technology, reclaim low concentration SO
2, and remove nitrogen oxides in effluent, and produce ammonium sulfate fertilizer, both solved the exhaust emission problem, valuable pollution treatment byproduct is provided again, higher technology content is arranged, development prospect is wide, meets the strategy of sustainable development.
The oxidizing tower reactor of aerator (namely with) has key effect in ammonia process of desulfurization denitration, its function is that the ammonium sulfite in the absorption liquid and ammonium bisulfite are oxidized to ammonium sulfate, and this solution evaporative crystallization namely obtains the chemical fertilizer ammonium sulfate product.
The oxidizing tower reactor of aerator (namely with) has comprised inlet, outlet, microporous aeration device, distribution device in gas-fluid, liquid in-out mouth and catalyst and has added the parts such as entrance.The equipment main material is fiberglass.
The microporous aeration device traditional method adopts the metal tube punching, its hole can not auto-closing, bubble is large, specific area is little, the dissolved oxygen rate of transform is low, can pour in down a chimney when obstructed gas, and the solid particle in the solution and crystallization are blocking microporous easily, its upper side also need arrange gas distributor, and the gas-liquid mass transfer heat-transfer effect is poor.
The utility model content:
In view of above-mentioned technical problem, the utility model provides a kind of gas-liquid mass transfer heat-transfer effect good, can significantly improve the reactor of the ammonia process of desulfurization denitration band aerator of the dissolved oxygen rate of transform.
Concrete technical scheme of the present utility model is as follows:
The reactor of ammonia process of desulfurization denitration band aerator comprises reacting tank body, it is characterized in that the top cover of described reacting tank body is provided with discharge and catalyst adds entrance; The top of one side of described reacting tank body is provided with inlet, and the bottom is provided with several layering discharge port; The opposite side of described reacting tank body is respectively equipped with accident discharge port, air inlet pipe, liquid discharging tube and slag-drip opening from top to bottom; Be provided with sieve plate near the bottom in the described reacting tank body; Described sieve plate top is provided with some layers of aeration plate; Described every layer of aeration plate is comprised of several gas service pipes; The both sides of described every gas service pipes connect respectively the complex root aeration tube, and are connected with air inlet pipe by pipeline.
In the such scheme, the bottom of described reacting tank body becomes 5 °-45 ° inclination.
In the such scheme, described aeration tube adopts the elastomeric material preparation.Such as rubber and so on.So that the micropore of aeration tube can be realized auto-closing, open during ventilation like this, closed during stuffiness.
In the such scheme, described aeration tube is provided with the aperture that a plurality of laser make and is the micropore less than 0.5mm.So that bubble diameter maintains 2-7mm, make gas-liquid contact good like this, specific area is large, and its upper side does not need gas to distribute, and the gas-liquid mass transfer heat transfer area is large, and is effective.Inferior salt oxygenation efficiency can reach more than 95%.
The beneficial effect of device described in the utility model is as follows:
1, this device adapts to gas-liquid reaction process in the multiple chemical process, and can carry out simultaneously the redox reaction between multiple gas-liquid, wide application.
2, aeration tube can form tiny bubble, and bubble distribution is even, and the gas specific area is large, effectively increases reaction contact area, and it is active to have increased to a certain extent gas reaction, has improved production efficiency.
3, can rely on the uniform stirring of bubble floating realization response liquid, not need to arrange in addition agitating device, reduce investment outlay and operating cost.
4, reacted liquid enters buffering area, can further finish reaction; Discharge simultaneously and mix and dissolved gases, make reacted liquid reach requirement; The slag of carrying secretly in the liquid or producing when reacting can carry out sedimentation and discharges by slag-drip opening at buffering area.More be conducive to reacted product and reach requirement.
5, bubbling density can be regulated by the increase and decrease aeration plate; Stirring intensity can be regulated by gas pressure, and reaction speed and the extent of reaction are controlled better.Whole device is simple, and is easy to maintenance, and controllability is strong.
Description of drawings:
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the reactor of ammonia process of desulfurization denitration band aerator described in the utility model.
Fig. 2 is the plan structure schematic diagram of aeration plate in the reactor of ammonia process of desulfurization denitration band aerator described in the utility model.
The specific embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As depicted in figs. 1 and 2, the reactor of ammonia process of desulfurization denitration band aerator described in the utility model, it comprises reacting tank body 3.The top cover 1 of reacting tank body 3 is provided with discharge 2 and catalyst adds entrance 14.The top of one side of reacting tank body is provided with inlet 11, and the bottom is provided with several layering discharge port 10, is provided with 3 layering discharge ports 10 in the present embodiment.The opposite side of reacting tank body is respectively equipped with accident discharge port 4, air inlet pipe 6, liquid discharging tube 8 and slag-drip opening 9 from top to bottom.Be provided with sieve plate 7 near the bottom in the reacting tank body.Sieve plate 7 tops are provided with some layers of aeration plate 5.Every layer of aeration plate 5 is comprised of several gas service pipes 12.The both sides of every gas service pipes 12 connect respectively complex root aeration tube 13, and are connected with air inlet pipe 6 by pipeline.
In addition, the bottom of reacting tank body becomes 5 °-45 ° inclination (not expressing among the figure).Aeration tube 13 adopts the elastomeric material preparation.Aeration tube 13 is provided with the aperture that laser makes and is the micropore less than 0.5mm.
As the reactor with aerator that is applicable to a kind of liquid and one or more gas reactions in the chemical reaction process, reaction principle and the process of this device are as follows:
Reacting tank body 3 is reaction vessel, liquid enters in the reactor by inlet 11, after arriving certain liquid level, gas with air, oxidation or the reducing property of pressure enters aeration plate 5 from air inlet pipe 6, then arrive gas service pipes 12, then enter the aeration tube 13 that is arranged in the distributing pipe both sides; Emerge the micropore of gas from aeration tube 13, gas fully contacts with liquid and oxidation or reduction reaction occurs in solution in the floating-upward process; Liquid after reaction is finished enters buffering area through sieve plate 7 and carries out subsequent reactions and gas-liquid separation, then emits from liquid discharging tube 8; When gas enters solution through aeration tube 13, form the less bubble of diameter, greatly increase the specific area of gas-liquid contact, increase reaction speed, need further to adjust bubble density such as sensation, can increase or reduce the number of plies of aeration plate 5, easy to operate, also can in different aeration plates 5, pass into variety classes gas, expand the gaseous species that participates in reaction, a plurality of reactions can be carried out simultaneously; In the gas floating-upward process, have evenly and the stirring action that is fit to (intensity can be regulated by the gas pressure that enters aerator), so do not need to arrange agitating device in the device, can reach good mixing effect.Gas rises to the projector top and discharges reactors by discharge 2, can process or recycling reacted gas.Discharge by slag-drip opening 9 after the solid particles sediment that reaches formation in the reaction that liquid mixes.Consider the problem at emptying dead angle, 5 ° of-45 ° of inclined planes should be arranged at reacting tank body 3 bottoms.Need to overhaul or produce when undesired, reaction liquid can be emitted from discharge port 4 and 10 layerings as required.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the reactor of ammonia process of desulfurization denitration band aerator comprises reacting tank body, it is characterized in that, the top cover of described reacting tank body is provided with discharge and catalyst adds entrance; The top of one side of described reacting tank body is provided with inlet, and the bottom is provided with several layering discharge port; The opposite side of described reacting tank body is respectively equipped with accident discharge port, air inlet pipe, liquid discharging tube and slag-drip opening from top to bottom; The bottom is provided with sieve plate in the described reacting tank body; Described sieve plate top is provided with some layers of aeration plate; Described every layer of aeration plate is comprised of several gas service pipes; The both sides of described every gas service pipes connect respectively the complex root aeration tube, and are connected with air inlet pipe by pipeline.
2. according to claim 1 the reactor of ammonia process of desulfurization denitration band aerator is characterized in that the bottom of described reacting tank body becomes 5 °-45 ° inclination.
3. according to claim 1 the reactor of ammonia process of desulfurization denitration band aerator is characterized in that described aeration tube adopts the elastomeric material preparation.
4. according to claim 1 the reactor of ammonia process of desulfurization denitration band aerator is characterized in that, described aeration tube is provided with the aperture that a plurality of laser make and is the micropore less than 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525319 CN202823157U (en) | 2012-10-13 | 2012-10-13 | Ammonia desulfuration and denitration reactor with aeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525319 CN202823157U (en) | 2012-10-13 | 2012-10-13 | Ammonia desulfuration and denitration reactor with aeration device |
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| Publication Number | Publication Date |
|---|---|
| CN202823157U true CN202823157U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220525319 Expired - Lifetime CN202823157U (en) | 2012-10-13 | 2012-10-13 | Ammonia desulfuration and denitration reactor with aeration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917774A (en) * | 2019-12-11 | 2020-03-27 | 王登磊 | Waste gas treatment conveying device for environment-friendly equipment |
-
2012
- 2012-10-13 CN CN 201220525319 patent/CN202823157U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917774A (en) * | 2019-12-11 | 2020-03-27 | 王登磊 | Waste gas treatment conveying device for environment-friendly equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 650118 No. 199, science and technology road, Kunming hi tech Development Zone, Yunnan Patentee after: ASIA PACIFIC ENVIRONMENTAL PROTECTION CO.,LTD. Address before: 650118 No. 199, science and technology road, hi tech Industrial Development Zone, Yunnan, Kunming Patentee before: YUNNAN YATAI ENVIRONMENTAL ENGINEERING DESIGN & RESEARCH CO.,LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |