CN203389478U - Polluted gas treatment equipment - Google Patents
Polluted gas treatment equipment Download PDFInfo
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- CN203389478U CN203389478U CN201320345462.8U CN201320345462U CN203389478U CN 203389478 U CN203389478 U CN 203389478U CN 201320345462 U CN201320345462 U CN 201320345462U CN 203389478 U CN203389478 U CN 203389478U
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- tower
- pipeline
- ozone
- circulating pump
- absorption tower
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Abstract
The utility model provides polluted gas treatment equipment. The polluted gas treatment equipment comprises an absorption tower (1), a circulating pump (2) and catalytic oxidation equipment (3), wherein the absorption tower (1) comprises a tower bottom slurry tank (4) of the absorption tower, a first filling layer (5), a first spraying layer (6), a second filling layer (51), a second spraying layer (61) and an ozone decomposer (7) from bottom to top; a gas outlet is formed in the top of the absorption tower (1); the inlet of the circulating pump (2) is connected with the tower bottom slurry tank of the absorption tower (1) through a pipeline, and the outlet of the circulating pump (2) is connected with a sprayer in the second spraying layer (61); the inlet of the catalytic oxidation equipment (3) is connected with the tower bottom slurry tank of the absorption tower (1) through a pipeline and a water pump (8), and the outlet of the catalytic oxidation equipment (3) is connected with a sprayer in the first spraying layer (6) through a pipeline. By virtue of the polluted gas treatment equipment, the problem of gas pollution is solved, and an absorption water body is free from secondary pollution.
Description
Technical field
The utility model relates to dusty gas processing technology field, relates in particular to a kind of catalytic oxidation sewage disposal device.
Background technology
In general, chemical enterprise draws stinking gas and may comprise following composition: the compound of the nitrogenous or sulfur-bearing of aldehydes, ketone, ethers, alcohols, amine, low-molecular-weight fatty acid, inorganic acid (hydrogen sulfide, sulfuric acid etc.), ammonia, halogenated hydrocarbons and aliphatic heterocycle.And in industrial chemical industry Sewage Plant waste water, often containing a large amount of organic matters, its waste gas generally includes various volatile organic matters and intermediate product.
Method for gas treatment has combustion method, absorption method, bioanalysis, doctor treatment soda acid absorption process etc. at present.Combustion method clearance is high, but controls complexity, and operating cost is high, to sour corrosion gas sensitization, has the uncontrollable danger of high temperature and system.Gas needs pretreatment conventionally, to flow with concentration is restricted and requirement.Produce solid kind refuse and gaseous contaminant simultaneously, need after-treatment.Absorption method clearance is low, and activated carbon layer is easily penetrated, and responsive to the water content of gas, its regeneration or replacement cycle are unstable, and operating cost is high, and to ether, letones has the danger of combustion explosion, extremely low to various organic gas clearances such as thio-alcohols.Adsorption process has been only the transfer to pollutant simultaneously, thereby needs after-treatment.Bioanalysis requires accessible gas to possess water-soluble and easily biological-degradable, needs constantly to add nutrient solution.Floor space is large, and impact resistance is poor, and operating parameter is difficult to be controlled, and controls complicated condition.When service condition (flow, concentration, composition) changes, need certain laundering period.Doctor treatment is only effective to sulfur-containing compound, and operating cost is also higher.And the easy poison deactivation of catalyst, there is potential safety hazard, in VOC course of reaction, produce ferrous sulfide, there is the danger of burning and blast.Soda acid absorption process operating cost is higher, and running produces a large amount of waste liquids, and needs after-treatment.Method for gas treatment has the absorption of liquid system body, charcoal absorption at present, has just carried out the transfer of pollutant on these method stricti jurises, not from eliminating and pollute in essence.As the solution-treated after liquid absorption, replacing after charcoal absorption and dispose all there is secondary pollution may.
Utility model content
technical problem: for solving the problems of the technologies described above, the utility model provides a kind of equipment of utterly destroying gaseous contamination, the gas that makes to contain pollutant is absorbed by water or directly by ozone oxidation, the water that absorbs pollutant is recycled catalytic oxidation, both solved the pollution problem of gas, and made again to absorb water body and do not produce secondary pollution.
technical scheme:for reaching above-mentioned technique effect, the utility model adopts following technical proposal:
A kind of dusty gas abatement equipment, comprise absorption tower 1 and circulating pump 2, also comprise oxidation equipment 3, described absorption tower 1 comprises tower prime cement pond 4, the first packing layer 5, the first spraying layer 6, the second packing layer 51, the second spraying layer 61, the ozone decomposed device 7 on absorption tower from the bottom to top, and 1 top, absorption tower is provided with gas vent; Described circulating pump 2 imports are connected with the tower prime cement pond on absorption tower 1 by pipeline, the outlet of circulating pump 2 is connected with the spray thrower in the second spraying layer 61, described oxidation equipment 3 imports are connected with the tower prime cement pond on absorption tower 1 by pipeline, water pump 8, and oxidation equipment 3 outlets are connected with the spray thrower in the first spraying layer 6 by pipeline.
Described oxidation equipment 3 comprises ejector A, reactor B, the heat exchanger C that connects in turn and form water-flowing path and is connected in described reactor B, to provide the ozone generating-device D of ozone with described ejector A; Described ejector import is connected with the tower prime cement pond 4 on absorption tower 1 by pipeline, and described heat exchanger exit is connected with the spray thrower in the first spraying layer 6 by pipeline.In described absorption tower 1, be provided with a plurality of packing layers and a plurality of spraying layer, and the quantity of packing layer and the number of plies of spraying layer consistent, and be spaced successively.Described oxidation equipment (3) also comprises cooling water tank (E) and the circulating pump (F) being linked in sequence; Described cooling water tank (E) import is connected with ozone generating-device (D) by pipeline, described circulating pump (F) outlet is connected with heat exchanger (C) by pipeline, described cooling water tank (E), circulating pump (F), heat exchanger (C), and ozone generating-device (D) be formed for the cooling water circulation loop of cooling ozone generating-device.Described ozone decomposed device (7) is heater.Described packing layer (5) surface is provided with catalyst layer.
beneficial effect:
The utility model is solid particle, organic floating thing, carbon monoxide, methane, the formaldehyde in Harnessing gas and the sulfur-containing compound such as hydrogen sulfide, thioether that causes stench efficiently.Water absorbs rear isolated by filtration to solid particle, organic matter and carbon monoxide etc. are that carbon dioxide is discharged outside tower with gas by exhaustive oxidation, sulphur in sulfur-containing compound is oxidized to after sulfur trioxide water-soluble, and the calcium ions and magnesium ions in water is combined, and forms sulfate.Whole master gas process does not have pollution transportation not produce secondary pollution yet.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1. absorption tower, 2. circulating pump, 3. oxidation equipment, 4. tower prime cement pond, 5,51. packing layers, 6,61. spraying layers, 7. ozone decomposed device, 8. water pump.
Fig. 2 is oxidation equipment fundamental diagram.
Wherein: A. ejector, B. reactor, C. heat exchanger, D. ozone generating-device, E. cooling water tank, F. circulating pump.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further elaborated.
As shown in Figure 1, the utility model provides a kind of dusty gas abatement equipment, comprise absorption tower 1 and circulating pump 2, also comprise oxidation equipment 3, described absorption tower 1 comprises tower prime cement pond 4, the first packing layer 5, the first spraying layer 6, the second packing layer 51, the second spraying layer 61, the ozone decomposed device 7 on absorption tower from the bottom to top, and 1 top, absorption tower is provided with gas vent; Described circulating pump 2 imports are connected with the tower prime cement pond on absorption tower 1 by pipeline, the outlet of circulating pump 2 is connected with the spray thrower in the second spraying layer 61, described oxidation equipment 3 imports are connected with the tower prime cement pond on absorption tower 1 by pipeline, water pump 8, and oxidation equipment 3 outlets are connected with the spray thrower in the first spraying layer 6 by pipeline.
The interior arrangement in absorption tower 1 has multiple filling layers to increase contacting of gas and water, has pipeline connection circulating pump 2 and oxidation equipment 3 at the bottom of tower, and tower prime cement pond 4 fills suitable water for recycling.The first spraying layer 6 ejections in the Shui Houyou absorption tower 1 that the aqueous solution at the bottom of tower is contained to ozone through pipeline by oxidation equipment 3 preparations, and at the bottom of packing layer 5 flows back to tower, these water that contain ozone with enter tower at the bottom of dusty gas reverse movement and contact and react, contaminants in gas is absorbed by water or the ozone oxidation of being carried in water is degraded, the ozone overflowing in the gas pollutant of participation reaction and water continues the 1 top motion to absorption tower, to run into again the second packing layer 51, further occur to absorb or oxidative degradation, for improving absorption and the oxidative degradation ability of gas pollutant, the circulating pump 2 being connected with the tower prime cement pond on absorption tower 1 is delivered to the second spraying layer 61 ejections by the aqueous solution that contains ozone at the bottom of tower, the water that these contain ozone continues contaminants in gas to absorb or direct oxidation.The water of getting back to tower prime cement pond 4 enters again oxidation equipment 3, and the organic matter that water body is absorbed carries out catalytic oxidation and supplement increase ozone in water entering in tower by the first spraying layer 6, moves in circles, and forms the efficient absorption of contaminants in gas and degraded.For gas is thoroughly purified, can in tower, arrange multiple filling layers layer 5 and a plurality of spraying layer 6.After gas thoroughly purifies, from water, not overflowing not have to participate in that 1 tower top is decomposed into oxygen by ozone decomposed device 7 on absorption tower to the ozone of pollutant reaction, outside 1 tower of purified gas discharge absorption tower.Ozone decomposed device 7 can be that heater can be also ozone decomposition catalyst, while adopting heater ozone decomposition, need make above ozone thoroughly change oxygen into gas-heated to 55 ℃, in order to avoid produce secondary pollution.For improving the efficiency to gas purification, also can, by catalyst cupport to packing layer 5 surfaces, thereby make ozone form hydroxyl radical free radical at catalyst surface, to pollutant, carry out efficient oxidation degraded.
As shown in Figure 2, oxidation equipment 3 comprises ejector A, reactor B, the heat exchanger C that connects in turn and form water-flowing path, also comprise and being connected with described ejector A and to the ozone generating-device D of reactor B ozone supply, this ozone generating-device is comprised of oxygenerator and ozone machine, oxygenerator is for generation of oxygen, by ozone machine, generate ozone more afterwards, ozone machine comprises ozone generator and cooling water chamber, and cooling water carries out heat exchange to take away the heat producing in ozone preparation process with ozone generator after entering cooling water chamber.Water pump 8 is sent into ejector A so that ozone mixes with water by tower prime cement pond 4 interior water, and by pipeline, the water that contains ozone is entered in reactor B, reactor B indoor design has the structure that promotes that ozone mixes with sewage, and its inner structural members surface scribbles again catalyst, to there is catalytic oxidation when sewage and ozone contact catalyst surface; Because ozone generating-device D produces a large amount of heats in the course of the work, so this sewage disposal device also comprises cooling water tank E and the circulating pump F being linked in sequence for also comprising of cooling ozone generating-device; Described cooling water tank E import is connected with ozone generating-device D by pipeline, described circulating pump F outlet is connected with heat exchanger C by pipeline, described cooling water tank E, circulating pump F, heat exchanger C, and ozone generating-device D be formed for the cooling water circulation loop of cooling ozone generating-device.And heat exchanger C is connected with reactor B for by circulating of cooling water, the heat of ozone generating-device work generation being passed to sewage, for catalytic oxidation process, provides reaction institute's calorific requirement so that accelerate the catalytic oxidation process of sewage; The water that cooling water and reactor B are discharged is back to after by the abundant heat exchange of heat exchanger C in cooling water tank E again and uses continuing, to save cooling water.For making the catalytic oxidation in reactor B quick and abundant, except scribble catalytic oxidation material in reactor B, the side contacting with sewage at heat exchanger B is coating catalyst layer also, to realize quadric catalysis oxidizing process.According to the demand of cooling effect, heat exchanger C can adopt plate type heat exchanger or shell-and-tube heat exchanger.Described water pump 8, ejector A, reactor B, cooling water tank E, circulating pump F, heat exchanger C, ozone generating-device integrated installation is in casing; And described casing quantity be one and more than, mutually by aforementioned sewage treatment process, connect.According to the demand of the amount of disposing of sewage, reactor B can for two and more than, and reactor also can be placed on separately outside casing, by the equipment connection in pipeline and casing.
Ozone generating-device D produces ozone, and ozone mixes with water by venturi ejector A and injects in the catalytic reactor B that is filled with catalyst; Water in tower prime cement pond 4 is sent into venturi ejector through pipeline by MODEL VERTICAL MULTISTAGE PUMP, centrifugal pump of horizontal axis or tubing pump; Water and ozone can mix and to water pollutant catalytic oxidation by one or more catalytic reactor B, then be to have the heat exchanger C of catalyst to discharge by a side, further adsorbed product in water is carried out to catalytic oxidation, in water, be dissolved with a large amount of ozone simultaneously, these water that contain a large amount of ozone enter second spraying layer 61 ejections on absorption tower 1 by pipeline, at the bottom of getting back to tower from top to bottom, by water pump, carried again, form the circulation of gas in tower is absorbed and continued absorption product oxidative degradation.For increasing the absorption efficiency to gas, at packing material absorbing tower bottom, increase a circulating pump, the spray thrower that bottom water solution is transported to top of tower by circulating pump sprays, and forms the circulation of gas in tower is absorbed.
Cooling water tank E, circulating pump F, cooling water tank that the opposite side of heat exchanger connects ozone generator drive recirculated water to form heat exchange circulation with circulating pump, the heat that ozone generator work is produced passes to the sewage of processing by heat exchanger, by water, heat is taken away to the energy of saving a large amount of cooling waters or expending because of cooling ozone generator; Meanwhile because water-side heat surface scribbles catalysis material, accelerate the oxidation reaction of adsorbed product and ozone in water.Oxygenerator, ozone generator, venturi transmitter, catalytic reactor, pump, heat exchanger, circulating pump etc. are connected by technological process by pipeline, in the casing that integrated installation is made at steel construction, according to the requirement of disposal ability, equipment is made to one or more modular casings, between casing, by pipeline or cable, connect, and be connected with absorption column of gas by pipeline, form gas processing device.
Implementation column 1: adopt NR100/3-30P4 water treatment all-in-one, be connected by 1.5 meters high towers of 6 meters of flow process and diameter, the circulating pump of 5 cubic metres per hour is also housed at the bottom of tower.At the bottom of the foul smell of 3000 cubic metres per hour being sent into tower by blower fan.
Implementation column 2:
Adopt NR150/4-50P5 water treatment all-in-one, by 2 meters high towers of 8 meters of flow process and diameter, be connected, the circulating pump of 10 cubic metres per hour is also housed at the bottom of tower.At the bottom of the dusty gas of 5000 cubic metres per hour being sent into tower by blower fan.
Foul smell main component:
The chemical formula of ozone reaction
Free radical triggering mechanism: O
2+ O
3→ O
·O?+?H
2O→·OH
Organic sulfur reaction mechanism: RSH+OH → R-S-OH
ROH/R=O?+?·OH→R
1-COOH?+?O
2→CO
2?+?H
2O
Inorganic sulfur reaction mechanism: H
2s+O/OH → SO
3
SO
3?+?H
2O→H
2SO
4
H
2SO
4?+?NaOH→Na
2SO
4?+?H
2O
Hydrocarbon reaction mechanism: CxHy+O
3→ C
h
y
C
H
y?+O
3→CO
2?+?H
2O/?C
H
y?+?·O/·OH→CO
2?+?H
2O
·OH+DMSO→DMSOOH→CO
2+?H
2O+SO
4
·OH+RSH→R-S-OH
·OH+?ROH/R=O?→R
1-COOH+?O
2→CO
2+?H
2O
R:?organic?compounds
Claims (6)
1. a dusty gas abatement equipment, comprise absorption tower (1) and circulating pump (2), it is characterized in that: also comprise oxidation equipment (3), described absorption tower (1) comprises tower prime cement pond (4), the first packing layer (5), the first spraying layer (6), the second packing layer (51), the second spraying layer (61), the ozone decomposed device (7) on absorption tower from the bottom to top, and top, absorption tower (1) is provided with gas vent; Described circulating pump (2) import is connected with tower prime cement pond phase (4) by pipeline, the outlet of circulating pump (2) is connected with the spray thrower in the second spraying layer (61), described oxidation equipment (3) import is connected with tower prime cement pond (4) by pipeline, water pump (8), and oxidation equipment (3) outlet is connected with the spray thrower in the first spraying layer (6) by pipeline.
2. dusty gas abatement equipment according to claim 1, is characterized in that: described oxidation equipment (3) comprises ejector (A), reactor (B), the heat exchanger (C) that connects in turn and form water-flowing path and is connected in described reactor (B), to provide the ozone generating-device (D) of ozone with described ejector (A); Described ejector (A) import is connected with the tower prime cement pond of absorption tower (1) by pipeline, and described heat exchanger (C) outlet is connected with the spray thrower in the first spraying layer (6) by pipeline.
3. dusty gas abatement equipment according to claim 1, is characterized in that: in described absorption tower (1), be provided with a plurality of packing layers and a plurality of spraying layer, and the quantity of packing layer and the number of plies of spraying layer consistent, and be spaced successively.
4. dusty gas abatement equipment according to claim 2, is characterized in that: described oxidation equipment (3) also comprises cooling water tank (E) and the circulating pump (F) being linked in sequence; Described cooling water tank (E) import is connected with ozone generating-device (D) by pipeline, described circulating pump (F) outlet is connected with heat exchanger (C) by pipeline, described cooling water tank (E), circulating pump (F), heat exchanger (C), and ozone generating-device (D) be formed for the cooling water circulation loop of cooling ozone generating-device.
5. dusty gas abatement equipment according to claim 1, is characterized in that: described ozone decomposed device (7) is heater.
6. dusty gas abatement equipment according to claim 1, is characterized in that: described packing layer (5) surface is provided with catalyst layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345462.8U CN203389478U (en) | 2013-06-17 | 2013-06-17 | Polluted gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345462.8U CN203389478U (en) | 2013-06-17 | 2013-06-17 | Polluted gas treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203389478U true CN203389478U (en) | 2014-01-15 |
Family
ID=49901041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320345462.8U Withdrawn - After Issue CN203389478U (en) | 2013-06-17 | 2013-06-17 | Polluted gas treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203389478U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301701A (en) * | 2013-06-17 | 2013-09-18 | 南京德磊科技有限公司 | Polluted gas control device |
| CN105080313A (en) * | 2015-08-03 | 2015-11-25 | 江苏三强环境工程有限公司 | Ozone disinfection tower for treating odor pollution gas |
| CN105461128A (en) * | 2015-12-18 | 2016-04-06 | 碳氢技术工程管理（武汉）有限公司 | Device and method for treating high COD (Chemical Oxygen Demand) sewage in combined way |
| CN106495310A (en) * | 2016-12-09 | 2017-03-15 | 宜兴市苏嘉环保设备有限公司 | Novel ozone contact reaction tower |
-
2013
- 2013-06-17 CN CN201320345462.8U patent/CN203389478U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301701A (en) * | 2013-06-17 | 2013-09-18 | 南京德磊科技有限公司 | Polluted gas control device |
| CN103301701B (en) * | 2013-06-17 | 2015-11-18 | 南京德磊科技有限公司 | A kind of dusty gas abatement equipment |
| CN105080313A (en) * | 2015-08-03 | 2015-11-25 | 江苏三强环境工程有限公司 | Ozone disinfection tower for treating odor pollution gas |
| CN105461128A (en) * | 2015-12-18 | 2016-04-06 | 碳氢技术工程管理（武汉）有限公司 | Device and method for treating high COD (Chemical Oxygen Demand) sewage in combined way |
| CN105461128B (en) * | 2015-12-18 | 2018-01-05 | 碳氢技术工程管理（武汉）有限公司 | A kind of device and processing method of combined treatment high COD sewage |
| CN106495310A (en) * | 2016-12-09 | 2017-03-15 | 宜兴市苏嘉环保设备有限公司 | Novel ozone contact reaction tower |
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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: 20140115 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |