CN102335549B - Sewage treating and deodorizing system - Google Patents
Sewage treating and deodorizing system Download PDFInfo
- Publication number
- CN102335549B CN102335549B CN201010232668.0A CN201010232668A CN102335549B CN 102335549 B CN102335549 B CN 102335549B CN 201010232668 A CN201010232668 A CN 201010232668A CN 102335549 B CN102335549 B CN 102335549B
- Authority
- CN
- China
- Prior art keywords
- fluidized bed
- bed reactor
- fast fluidized
- desulphurization
- reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
Provided is a sewage treating and deodorizing system which comprises a gas collection system, a desulphurization system and a discharge system, wherein, the desulphurization system carries out dry desulphurization and wet desulphurization through a rapid fluidized bed reactor and an alkaline scrubber. The sewage treating and deodorizing system in the invention enables a system desulphurization rate to be increased to 96% to 98% from a system desulphurization rate of 47% to 59% obtained by conventional methods; dry desulphurization and wet desulphurization are combined in the system, and a biological deodorizing apparatus is added, which enables discharge of treated sewage to better reach the standard, thereby substantially improving the quality of work environment for workers and the quality of living environment for surrounding residents.
Description
Technical field
The invention belongs to a kind of sewage disposal system, relate in particular to the deodorizing aspect of sewage disposal.
Background technology
I am mainly derived from During Industrial Wastewater Treatment Process by company's foul smell; because Organic Pollutants in Wastewater is high; sulfate radical content is high; so produced a large amount of organic gas and hydrogen sulfide etc. in the processing reaction process of anaerobism and oxygen consumption two systems, mix foul gas; existing sewage disposal system deodorizing effect not clearly, can not be accomplished enough protections to workman's working environment and ecological environment.The wet desulphurizations that adopt are processed in existing desulfurization more, during salkali waste with 20% goes and the smelly body such as organic gas and hydrogen sulfide, due to what adopt in scrubbing tower, it is hollow ball filler, time is attached on hollow ball after having grown later a large amount of crystallizations, cause space ball to stop up, as cleaning not in time can cause scrubbing tower decrease in efficiency, cleaning up workload again can be very large.Originally operating personnel think that wet desulphurization is enough for sewage disposal deodorizing, and are not suitable for adding dry desulfurization operation.
Summary of the invention
The object of this invention is to provide the sewage disposal deodoration system that a kind of dry method and wet method combine.
In order to achieve the above object by the following technical solutions: a kind of sewage disposal deodoration system, comprise gas gathering system, desulphurization system and exhaust system, described desulphurization system is for to carry out dry desulfurization and wet desulphurization by fast fluidized bed reactor and caustic scrubber.
First, sorbent particle adds the feed hopper of fast fluidized bed reactor; Then, from the sulfur-bearing synthesis gas of gas gathering system, from the import of fast fluidized bed reactor, the cloth air chamber through bottom enters desulfurization reactor, blasts hot blast, control reactor operating temperature 160-280 ℃, pressure 1.0-1.5MPa, superficial gas velocity 1.0-1.8m/s, enters fast fluidized bed reactor; Sorbent particle is carried lower and stream secretly at gas and is moved upward; Gas solid separation net is installed in the outlet at fast fluidized bed reactor top, carry out gas solid separation, decontaminating syngas enters caustic scrubber from the outlet of fast fluidized bed reactor, in caustic scrubber, be provided with 8 layers of nozzle and form 16 layers of moisture film from top to bottom, by concentration, be that 20～40% NaOH or 30% potassium hydroxide or 25% sodium bicarbonate solution fully react with the decontaminating syngas making progress, the alkali cleaning time is 2～10 minutes; After being disposed, decontaminating syngas enters gas extraction system by air-introduced machine.
High 15000～the 25000mm of described fast fluidization bed desulfurization reactor, top inside diameter of straight pipe section 35～50mm, bottom expanding reach internal diameter 65～85mm; High 1200～the 1800mm of desulfurizer regeneration reactor, internal diameter 180～220mm; Desulfurizing agent is the activated carbon desulphurization agent of unformed shape, particle diameter 150-500 μ m, bulk density 0.6～0.7g/ml.
The high 20000mm of described fast fluidization bed desulfurization reactor, top inside diameter of straight pipe section 45mm, bottom expanding reach internal diameter 75mm.The high 1500mm of desulfurizer regeneration reactor, internal diameter 200mm.
On the regulating reservoir of described gas gathering system and oxygen compatibility pool, be all equipped with lid.
Between described desulphurization system and exhaust system, be provided with biological deodorizing device.
In described exhaust system, the height of chimney is 30～40m.
Adopt sewage disposal deodoration system of the present invention, system desulfuration efficiency rises to 96%～98% by 47%～59% of conventional method, and in this system, dry method and wet method combine, also added biological deodorizing device, make discharge more up to standard, greatly improved workman's working environment quality and the living environment quality of surrounding resident.
Accompanying drawing explanation
Accompanying drawing is process chart of the present invention.
The specific embodiment
Embodiment 1
As shown in the figure, a kind of sewage disposal deodoration system, comprise gas gathering system, desulphurization system and exhaust system, between desulphurization system and exhaust system, be provided with biological deodorizing device, regulating reservoir 1 is connected with the middle part of fast fluidized bed reactor 3 by pump respectively with oxygen compatibility pool 2, on regulating reservoir and oxygen compatibility pool, be all equipped with lid, the bottom of fast fluidized bed reactor 3 and 8 imports of middle tank are communicated with, the top of fast fluidized bed reactor is communicated with by the outlet of absorbent recirculation pump 9 and middle tank 8, fast fluidized bed reactor upper end is provided with gas solid separation net, the upper end of fast fluidized bed reactor 3 connects caustic scrubber 10 middle parts, the import of caustic scrubber 10 upper ends and efficient oxidation odor eliminator 4 is communicated with, the outlet of efficient oxidation odor eliminator 4 is connected to chimney 7 bottoms by air-introduced machine 6, oxygen compatibility pool 2 and regulating reservoir 1 are communicated with by air-introduced machine 6 and chimney 7 bottoms respectively.Described biological deodorizing device comprises two biological towers in parallel 5, and the top of biological tower 5 is communicated with by biological tower water pump 12 and water dashpot 11 respectively, the upper end of two biological towers 5 all and efficient oxidation odor eliminator 4 be communicated with the pipeline 13 between air-introduced machine 6.
In exhaust system, the height of chimney is 30～40m, and described desulphurization system is for to carry out dry desulfurization and wet desulphurization by fast fluidized bed reactor and caustic scrubber.The high 20000mm of fast fluidization bed desulfurization reactor, top inside diameter of straight pipe section 45mm, bottom expanding reach internal diameter 75mm.The high 1500mm of desulfurizer regeneration reactor, internal diameter 200mm; Desulfurizing agent is the activated carbon desulphurization agent of unformed shape, particle diameter 150-500 μ m, bulk density 0.6～0.7g/ml; Sulfurous gas from gas gathering system consists of (percentage by volume): H
2content 18%, CO content 25%, N
2content 4%, CH
4content 6%, CO
2content 13%, H
2o content 27%, H
2s concentration 2600-3600mg/m
3.
First, sorbent particle adds the feed hopper of fast fluidized bed reactor; Then, from the import of fast fluidized bed reactor, the cloth air chamber through bottom enters desulfurization reactor to sulfur-bearing synthesis gas, blasts hot blast, controls reactor operating temperature 160-180 ℃, pressure 1.0MPa, and superficial gas velocity 1.0-1.8m/s, enters fast fluidized bed reactor; Sorbent particle is carried lower and stream secretly at gas and is moved upward; Gas solid separation net is installed in the outlet at fast fluidized bed reactor top, carry out gas solid separation, decontaminating syngas enters caustic scrubber from the outlet of fast fluidized bed reactor, in caustic scrubber, be provided with 8 layers of nozzle and form 16 layers of moisture film from top to bottom, by concentration, be that 20～40% NaOH or 30% potassium hydroxide or 25% sodium bicarbonate solution fully react with the decontaminating syngas making progress, the alkali cleaning time is 2～10 minutes; After being disposed, decontaminating syngas enters gas extraction system by air-introduced machine.Desulfuration efficiency 96%-99%.
A sewage disposal deodoration system, consists of (percentage by volume): H from the sulfurous gas of gas gathering system
2content 19%, CO content 23%, N
2content 3%, CH
4content 6%, CO
2content 15%, H
2o content 27%, H
2s concentration 3000mg/m
3.
First, sorbent particle adds the feed hopper of fast fluidized bed reactor; Then, from the import of fast fluidized bed reactor, the cloth air chamber through bottom enters desulfurization reactor to sulfur-bearing synthesis gas, blasts hot blast, controls 180 ℃ of reactor operating temperatures, pressure 1.2MPa, and superficial gas velocity 1.8m/s, enters fast fluidized bed reactor; Sorbent particle is carried lower and stream secretly at gas and is moved upward; Gas solid separation net is installed in the outlet at fast fluidized bed reactor top, carry out gas solid separation, decontaminating syngas enters caustic scrubber from the outlet of fast fluidized bed reactor, in caustic scrubber, be provided with 8 layers of nozzle and form 16 layers of moisture film from top to bottom, by concentration, be that 40% NaOH fully reacts with the decontaminating syngas making progress, the alkali cleaning time is 2 minutes; After being disposed, decontaminating syngas enters gas extraction system by air-introduced machine.Desulfuration efficiency 96.5%.
Other are with embodiment 1.
Embodiment 3
A sewage disposal deodoration system, consists of (percentage by volume): H from the sulfurous gas of gas gathering system
2content 20%, CO content 19%, N
2content 4%, CH
4content 10%, CO
2content 13%, H
2o content 27%, H
2s concentration 3600mg/m
3.
First, sorbent particle adds the feed hopper of fast fluidized bed reactor; Then, from the import of fast fluidized bed reactor, the cloth air chamber through bottom enters desulfurization reactor to sulfur-bearing synthesis gas, blasts hot blast, controls 280 ℃ of reactor operating temperatures, pressure 1.0MPa, and superficial gas velocity 1.0m/s, enters fast fluidized bed reactor; Sorbent particle is carried lower and stream secretly at gas and is moved upward; Gas solid separation net is installed in the outlet at fast fluidized bed reactor top, carry out gas solid separation, decontaminating syngas enters caustic scrubber from the outlet of fast fluidized bed reactor, in caustic scrubber, be provided with 8 layers of nozzle and form 16 layers of moisture film from top to bottom, by concentration, be that 30% potassium hydroxide fully reacts with the decontaminating syngas making progress, the alkali cleaning time is 10 minutes; After being disposed, decontaminating syngas enters gas extraction system by air-introduced machine.Desulfuration efficiency 99%.
Other are with embodiment 1.
Embodiment 4
A sewage disposal deodoration system, consists of (percentage by volume): H from the sulfurous gas of gas gathering system
2content 15%, CO content 19%, N
2content 6%, CH
4content 14%, CO
2content 18%, H
2o content 25%, H
2s concentration 3000mg/m
3.
First, sorbent particle adds the feed hopper of fast fluidized bed reactor; Then, from the import of fast fluidized bed reactor, the cloth air chamber through bottom enters desulfurization reactor to sulfur-bearing synthesis gas, blasts hot blast, controls 200 ℃ of reactor operating temperatures, pressure 1.5MPa, and superficial gas velocity 1.8m/s, enters fast fluidized bed reactor; Sorbent particle is carried lower and stream secretly at gas and is moved upward; Gas solid separation net is installed in the outlet at fast fluidized bed reactor top, carry out gas solid separation, decontaminating syngas enters caustic scrubber from the outlet of fast fluidized bed reactor, in caustic scrubber, be provided with 8 layers of nozzle and form 16 layers of moisture film from top to bottom, by concentration, be that concentration is that 20% NaOH fully reacts with the decontaminating syngas making progress, the alkali cleaning time is 5 minutes; After being disposed, decontaminating syngas enters gas extraction system by air-introduced machine.Desulfuration efficiency 98%.
Other are with embodiment 1.
Claims (6)
1. a sewage disposal deodoration system, comprise gas gathering system, desulphurization system and exhaust system, it is characterized in that: described desulphurization system is for to carry out dry desulfurization and wet desulphurization by fast fluidized bed reactor and caustic scrubber, between desulphurization system and exhaust system, be provided with biological deodorizing device, regulating reservoir (1) is connected with the middle part of fast fluidized bed reactor (3) by pump respectively with oxygen compatibility pool (2), on regulating reservoir and oxygen compatibility pool, be all equipped with lid, the bottom of fast fluidized bed reactor (3) and middle tank (8) import are communicated with, the top of fast fluidized bed reactor is communicated with by the outlet of absorbent recirculation pump (9) and middle tank (8), fast fluidized bed reactor upper end is provided with gas solid separation net, the upper end of fast fluidized bed reactor (3) connects caustic scrubber (10) middle part, the import of caustic scrubber (10) upper end and efficient oxidation odor eliminator (4) is communicated with, the outlet of efficient oxidation odor eliminator (4) is connected to chimney (7) bottom by air-introduced machine (6), oxygen compatibility pool (2) and regulating reservoir (1) are communicated with by air-introduced machine (6) and chimney (7) bottom respectively, the deodorization process of this sewage disposal deodoration system is as follows: first, sorbent particle adds the feed hopper of fast fluidized bed reactor, then, from the import of fast fluidized bed reactor, the cloth air chamber through bottom enters desulfurization reactor to sulfur-bearing synthesis gas, blasts hot blast, control reactor operating temperature 160-280 ℃, pressure 1.0-1.5MPa, superficial gas velocity 1.0-1.8m/s, enters fast fluidized bed reactor, sorbent particle is carried lower and stream secretly at gas and is moved upward, gas solid separation net is installed in the outlet at fast fluidized bed reactor top, carry out gas solid separation, decontaminating syngas enters caustic scrubber from the outlet of fast fluidized bed reactor, in caustic scrubber, be provided with 8 layers of nozzle and form 16 layers of moisture film from top to bottom, by concentration, be that 20～40% NaOH or 30% potassium hydroxide or 25% sodium bicarbonate solution fully react with the decontaminating syngas making progress, the alkali cleaning time is 2～10 minutes, after being disposed, decontaminating syngas enters exhaust system by air-introduced machine.
2. sewage disposal deodoration system according to claim 1, it is characterized in that: described biological deodorizing device comprises two biological towers in parallel (5), the top of biological tower (5) is respectively by the connection of biological tower water pump (12) and water dashpot (11), the upper end of two biological towers (5) all and efficient oxidation odor eliminator (4) be communicated with the pipeline (13) between air-introduced machine (6).
3. sewage disposal deodoration system according to claim 1, is characterized in that: the high 20000mm of described fast fluidization bed desulfurization reactor, top inside diameter of straight pipe section 45mm, bottom expanding reach internal diameter 75mm; The high 1500mm of desulfurizer regeneration reactor, internal diameter 200mm; Desulfurizing agent is the activated carbon desulphurization agent of unformed shape, particle diameter 150-500 μ m, bulk density 0.6～0.7g/ml.
4. according to the sewage disposal deodoration system described in claim 2, it is characterized in that: the high 20000mm of described fast fluidization bed desulfurization reactor, top inside diameter of straight pipe section 45mm, bottom expanding reach internal diameter 75mm.
5. sewage disposal deodoration system according to claim 1, is characterized in that: the high 1500mm of desulfurizer regeneration reactor, internal diameter 200mm.
6. according to the sewage disposal deodoration system described in claim 1, it is characterized in that: in described exhaust system, the height of chimney is 30～40m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010232668.0A CN102335549B (en) | 2010-07-21 | 2010-07-21 | Sewage treating and deodorizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010232668.0A CN102335549B (en) | 2010-07-21 | 2010-07-21 | Sewage treating and deodorizing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102335549A CN102335549A (en) | 2012-02-01 |
| CN102335549B true CN102335549B (en) | 2014-03-12 |
Family
ID=45511643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010232668.0A Active CN102335549B (en) | 2010-07-21 | 2010-07-21 | Sewage treating and deodorizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102335549B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894047B (en) * | 2014-03-14 | 2016-04-06 | 成都华西堂投资有限公司 | Flue gas pollutant controls integrated purifying recovery process |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1775344A (en) * | 2004-11-17 | 2006-05-24 | 陈妙生 | Biological desulfurizer and dry desulfurizer treating method for high concentration hydrogen sulfide gas |
| US7625537B2 (en) * | 2006-06-12 | 2009-12-01 | Alstom Technology Ltd | Integrated dry and wet flue gas cleaning process and system |
| CN201015727Y (en) * | 2006-12-07 | 2008-02-06 | 广州电器科学研究院 | Organic waste gases or stench processing system |
| CN101544920B (en) * | 2009-05-07 | 2012-09-19 | 北京溯希至清科技有限公司 | Process for preparing compressed natural gas by deodorizing and purifying landfill gas |
-
2010
- 2010-07-21 CN CN201010232668.0A patent/CN102335549B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102335549A (en) | 2012-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104740992B (en) | A kind of carbide slag gypsum flue gas deep desulfuration dust arrester and method | |
| CN106310890B (en) | A kind of method of bioanalysis removing sour gas | |
| CN201324593Y (en) | Wet ammonia flue gas desulphurization device | |
| CN205627588U (en) | Device of little biological desulfuration of closed circulation and recovery elemental sulfur | |
| CN101507895A (en) | Large flue gas desulfurization dust-removal system | |
| CN203886406U (en) | Tail gas purification device of circulating fluid bed garbage incinerator | |
| CN102049167B (en) | High-SO2 concentration pressure smoke desulfuration method and device | |
| CN105833696A (en) | Ultrasonic desulfuration, denitration and dust removal method | |
| WO2021193476A1 (en) | Device and method pertaining to combustion exhaust gas purification treatment | |
| CN1539546A (en) | Method and equipment of desulfurization and denitrogenation for purifying flue gas | |
| CN101948705B (en) | Integrated methane safety biological desulfurization device | |
| CN104190244A (en) | Multi-stage suspension type flue gas desulfurization device for granular active coke and flue gas desulfurization method thereof | |
| CN101543729B (en) | Method suitable for utilization of resource of sintering flue gas desulphurization waste solution | |
| CN102949924B (en) | Method for applying petrochemical exhausted lye to semidry-method flue gas desulfurization | |
| CN209501361U (en) | Novel energy-conserving Complexing Iron desulphurization plant | |
| CN102335549B (en) | Sewage treating and deodorizing system | |
| CN201778014U (en) | Integrated safe biological methane desulfurization zone | |
| CN112239684A (en) | Coke oven gas desulfurization purification process and device based on complex iron catalyst | |
| CN104941420A (en) | Flue gas desulfurization comprehensive treatment system and method | |
| CN217149105U (en) | Biogas purification system | |
| CN101670237B (en) | Method and device for desulfurizing and dechlorinating flue gas of circulating fluidized bed | |
| CN201735311U (en) | Deodorization system of sewage treatment system | |
| CN1304088C (en) | Apparatus and process for separating carbon dioxide by coal replacement combustion based on calcium sulfate | |
| CN202590617U (en) | Flue gas desulfurization system adopting gravity moving bed reactor | |
| CN201059572Y (en) | Spume exhaust gas purifying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |