CN106139650A - A kind of ultrasound wave eliminates the system and method for desulfurization slurry pond foam - Google Patents
A kind of ultrasound wave eliminates the system and method for desulfurization slurry pond foam Download PDFInfo
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- CN106139650A CN106139650A CN201610634834.7A CN201610634834A CN106139650A CN 106139650 A CN106139650 A CN 106139650A CN 201610634834 A CN201610634834 A CN 201610634834A CN 106139650 A CN106139650 A CN 106139650A
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- foam
- desulfurization
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dispersion Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of ultrasound wave of the present invention eliminates the system and method for desulfurization slurry pond foam, it is possible to is not affecting in the case of desulfurization slurry becomes to be grouped into, is effectively eliminating the foam that desulfurization slurry produces.Described system includes the desulfurizing tower in wet desulfurization system, the multiple supersonic generators being arranged on desulfurizing tower sidewall, and for controlling the ultrasonic wave controller of supersonic generator；The foam of the transmitting terminal alignment slurry pool of supersonic generator is arranged, and controls end and is connected with the outfan of ultrasonic wave controller.The foam that described method uses ultrasound wave to make in wet desulfurization system on the liquid level of slurry pool carries out vibrating and compressing, and promotes lather collapse to realize the elimination of foam.High-power ultrasound generator is increased by the desulfurizing tower sidewall at wet desulphurisation system, produce high power, high-octane sound wave, foam vibration can be made and by the biggest acoustic pressure effect, sound wave makes foam fast vibration and compression, promote lather collapse, be finally reached and eliminate foam and promote the purpose of desulfuration efficiency.
Description
Technical field
The present invention relates to environmental technology field, a kind of ultrasound wave eliminates system and the side of desulfurization slurry pond foam
Method.
Background technology
Wet desulfurization system is commonly used in power plants, and along with China's atmospheric emission standard improves constantly, flue gas takes off
Sulfur system is cancelled bypass, is included main frame in comprehensively and run system and become inevitable, and the stable operation of flue gas desulphurization system seems the heaviest
Want, thus desulphurization system need to be carried out fine-grained management.During desulphurization reaction, absorption tower serosity bubbles so that serosity
Liquid level can produce a large amount of foam, and Level meter can be found to have false liquid level and produce, thus the serosity overflow caused is wet method takes off
Sulfur system run in one of common problem, and domestic this research is constantly in the more original stage, mostly rests on solution
The problem aspect that absorption tower overflow is caused, for how avoiding the generation of this type of phenomenon from root, still lacks certain dividing
Analysis and control device.
Serosity foaming reduces mainly due to surface active molecules caused by the surface tension of water, and solid impurity increases
The viscosity of solution, so that foam is more stable persistently.Stability and the life-span of foam produced by desulfurization slurry are the most excellent
In the foam that liquid juice produces.The gluey surface layer forming bubble improves the elasticity of liquid film, and it can be soluble substance, it is possible to
To be insoluble matter.Solid impurity as insoluble matter largely adds the viscosity of liquid film, thus overcomes the weight of liquid
Power, makes the walls thickness of formation keep stable, and the life-span of its foam is also extended.
Process the method bubbled at present and be broadly divided into 3 kinds: 1. control to enter the various of absorption tower and may cause absorption tower
The material that serosity bubbles；Related system to be passed through or the adjustment of the equipment method of operation, alleviate foaming overflow phenomena；3. add and disappear
Infusion eliminates the foam produced.But, these three is difficult to eradicate the impact bubbled on desulphurization system completely, simultaneously can be certain
Degree affect desulfuration efficiency, and improve operating cost.
Summary of the invention
For problems of the prior art, the present invention provides a kind of ultrasound wave to eliminate the system of desulfurization slurry pond foam
And method, it is possible to do not affecting in the case of desulfurization slurry becomes to be grouped into, effectively eliminating the foam that desulfurization slurry produces, thus be
The stable operation of flue gas desulphurization system is removed the obstacles.
The present invention is to be achieved through the following technical solutions:
A kind of ultrasound wave eliminates the system of desulfurization slurry pond foam, including the desulfurizing tower in wet desulfurization system, is arranged on
Multiple supersonic generators on desulfurizing tower sidewall, and for controlling the ultrasonic wave controller of supersonic generator；Ultrasound wave
The foam of the transmitting terminal alignment slurry pool of generator is arranged, and controls end and is connected with the outfan of ultrasonic wave controller.
Preferably, supersonic generator is arranged between the liquid level of desulphurization tower slurry pool and smoke inlet inside sidewalls or
Outside, the transmitting angle of supersonic generator can regulate.
Preferably, supersonic generator is arranged on the inside sidewalls between the liquid level of desulphurization tower slurry pool and smoke inlet,
It is provided with outside supersonic generator and seals waterproof protective cover.
Preferably, the part in multiple supersonic generators is arranged in the middle part of desulphurization tower slurry pool lateral wall, with serosity
Oxidation panel upper position in pond is corresponding.
Preferably, the multiple supersonic generators arranged at the same cross section of desulfurizing tower are evenly distributed.
Preferably, desulfurizing tower includes oxidation classification and the serosity excavationg pump connected from bottom with slurry pool, and sets successively
Put the spraying layer on smoke inlet and demister；Spraying layer connects with slurry pool through slurry circulating pump.
A kind of ultrasound wave eliminates the method for desulfurization slurry pond foam, uses ultrasound wave to make slurry pool in wet desulfurization system
Foam on liquid level carries out vibrating and compressing, and promotes lather collapse to realize the elimination of foam.
Preferably, the frequency of described ultrasound wave is 60-300 hertz, and transmitting power is 3-6KW.
Preferably, described ultrasound wave simultaneously acts on the foam on the liquid level of slurry pool and the oxidation panel in slurry pool
Portion.
Preferably, wet desulfurization system is desulfurization method of limestone-gypsum, wet ammonia process desulfurizing, double alkali method desulfurizing or recovery
Magnesium sulfate heptahydrate method desulfurization.
Compared with prior art, the present invention has a following useful technique effect:
The present invention is by increasing high-power ultrasound generator at the desulfurizing tower sidewall of wet desulphurisation system, and ultrasound wave occurs
Device can produce high power, high-octane sound wave, can make foam vibration and by the biggest acoustic pressure effect, sound wave makes foam fast
Speed vibration and compression, promote lather collapse, is finally reached and eliminates foam and promote the purpose of desulfuration efficiency.Simultaneously at wet type desulfurizing
The high-power ultrasound generator installed in system, after eliminating serosity foam, can promote that sulfur dioxide is with de-to a certain extent
Gas liquid reaction between sulfur serosity, reaches to promote the purpose of desulfuration efficiency；Can effectively eliminate the foam in desulfurization slurry, be avoided that
Serosity foam overflow enters desulfurizing tower gas approach and causes corrosion.
Accompanying drawing explanation
Fig. 1 is the structural representation of system described in present example.
Fig. 2 is the structural representation that described in present example, supersonic generator is built-in.
Fig. 3 is the structural representation that described in present example, supersonic generator is external.
In figure: 1 supersonic generator, 2 bubbles, 3 slurry pools, 4 oxidation fans, 5 slurry circulating pumps, 6 serosity excavationg pumps, 7
Spraying layer, 8 demisters, 9 ultrasonic wave controllers.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, described in be explanation of the invention and
It not to limit.
A kind of ultrasound wave of the present invention eliminates the method for desulfurization slurry pond foam, uses ultrasound wave to make in wet desulfurization system and starches
Foam on the liquid level of liquid pool 3 carries out vibrating and compressing, and promotes lather collapse to realize the elimination of foam.Wherein, described ultrasound wave
Frequency be 60-300 hertz, transmitting power is 3-6KW.Described ultrasound wave simultaneously acts on the bubble on the liquid level of slurry pool 3
Oxidation panel top in foam and slurry pool 3.While eliminating foam, the ultrasound wave carried out at two diverse locations is utilized to make
With so that desulfurization slurry, in whipping process, can promote the chemical reaction in desulfurization slurry to a certain extent, promotes desulfurization effect
Rate.Wet desulfurization system can belong to desulfurization method of limestone-gypsum, wet ammonia process desulfurizing, double alkali method desulfurizing, recovery seven water sulphuric acid
During magnesium processes desulfurization and other wet type desulfurizings, use the present invention that corresponding slurry pool 3 is bubbled and eliminate.
A kind of ultrasound wave of the present invention eliminates the system of desulfurization slurry pond foam, as it is shown in figure 1, include in wet desulfurization system
Desulfurizing tower, multiple supersonic generators 1 being arranged on desulfurizing tower sidewall, and for controlling the super of supersonic generator 1
Sound wave controlled device 9；The foam of the transmitting terminal alignment slurry pool 3 of supersonic generator 1 is arranged, and controls end and ultrasonic wave controller 9
Outfan connect.Desulfurizing tower includes oxidation classification 4 and the serosity excavationg pump 6 connected from bottom with slurry pool 3, and sets successively
Put the spraying layer 7 on smoke inlet and demister 8；Spraying layer 7 connects with slurry pool 3 through slurry circulating pump 5.
Wherein, as shown in Figures 2 and 3, supersonic generator 1 is arranged on liquid level and the smoke inlet of desulphurization tower slurry pool 3
Between inside sidewalls or outside, the transmitting angle of supersonic generator 1 can regulate.When supersonic generator 1 arranges inner side
Time, outside being provided with of supersonic generator 1 seals waterproof protective cover.The supersonic generator 1 having part is arranged on desulfurizing tower
In the middle part of slurry pool 3 sidewall, corresponding with the oxidation panel upper position in slurry pool 3；Promotion reaction can be played while froth breaking
Effect.
Wherein, as shown in Figures 2 and 3, desulfurizing tower same cross section arrange multiple supersonic generators 1 in uniformly
Distribution.The ultrasonic frequency range that ultrasonic wave controller 9 controls, at 60-300 hertz, launches power bracket at 3-6KW.
Supersonic generator is arranged on desulphurization tower slurry pool 3 liquid level of existing wet desulfurization system and enters with flue gas by the present invention
On sidewall between Kou.When supersonic generator is arranged on desulfurizing tower inwall, it is arranged on the protective cover with water-proof function
In, supersonic generator also is able to be arranged on desulfurizing tower outer wall, and angle, frequency and the power that adjustable ultrasonic is launched.
During desulphurization reaction, serosity liquid level can produce a large amount of foam, and high-power ultrasound generator can produce high power, height
The sound wave of energy, can make foam vibration and by the biggest acoustic pressure effect, sound wave makes foam fast vibration and compression, promote bubble
Foam ruptures, and is finally reached elimination foam, it is ensured that desulphurization system is properly functioning；After eliminating serosity foam, can be to a certain extent
Promote the chemical reaction in desulfurization slurry, promote desulfuration efficiency, produce collaborative facilitation.
Claims (10)
1. the system of a ultrasound wave elimination desulfurization slurry pond foam, it is characterised in that include the desulfurization in wet desulfurization system
Tower, the multiple supersonic generators (1) being arranged on desulfurizing tower sidewall, and be used for controlling the ultrasonic of supersonic generator (1)
Wave controller (9)；The foam of transmitting terminal alignment slurry pool (3) of supersonic generator (1) is arranged, and controls end and controls with ultrasound wave
The outfan of device (9) connects.
A kind of ultrasound wave the most according to claim 1 eliminates the system of desulfurization slurry pond foam, it is characterised in that ultrasound wave
Generator (1) is arranged on the inside sidewalls between liquid level and the smoke inlet of desulphurization tower slurry pool (3) or outside, and ultrasound wave occurs
The transmitting angle of device (1) can regulate.
A kind of ultrasound wave the most according to claim 1 eliminates the system of desulfurization slurry pond foam, it is characterised in that ultrasound wave
Generator (1) is arranged on the inside sidewalls between liquid level and the smoke inlet of desulphurization tower slurry pool (3), supersonic generator (1)
Outside is provided with and seals waterproof protective cover.
A kind of ultrasound wave the most according to claim 1 eliminates the system of desulfurization slurry pond foam, it is characterised in that Duo Gechao
A part in sonic generator (1) is arranged in the middle part of desulphurization tower slurry pool (3) lateral wall, with the oxidation panel in slurry pool (3)
Upper position is corresponding.
A kind of ultrasound wave the most according to claim 1 eliminates the system of desulfurization slurry pond foam, it is characterised in that in desulfurization
Multiple supersonic generators (1) that the same cross section of tower is arranged are evenly distributed.
A kind of ultrasound wave the most according to claim 1 eliminates the system of desulfurization slurry pond foam, it is characterised in that described
Desulfurizing tower includes oxidation classification (4) and the serosity excavationg pump (6) connected from bottom with slurry pool (3), and is successively set on cigarette
Spraying layer (7) on gas entrance and demister (8)；Spraying layer (7) connects with slurry pool (3) through slurry circulating pump (5).
7. the method that a ultrasound wave eliminates desulfurization slurry pond foam, it is characterised in that use ultrasound wave to make wet desulfurization system
Foam on the liquid level of middle slurry pool (3) carries out vibrating and compressing, and promotes lather collapse to realize the elimination of foam.
The method that described a kind of ultrasound wave the most according to claim 7 eliminates desulfurization slurry pond foam, it is characterised in that
The frequency of described ultrasound wave is 60-300 hertz, and transmitting power is 3-6KW.
The method that described a kind of ultrasound wave the most according to claim 7 eliminates desulfurization slurry pond foam, it is characterised in that
Described ultrasound wave simultaneously acts on the foam on the liquid level of slurry pool (3) and the oxidation panel top in slurry pool (3).
The method that described a kind of ultrasound wave the most according to claim 7 eliminates desulfurization slurry pond foam, its feature exists
In, wet desulfurization system is desulfurization method of limestone-gypsum, wet ammonia process desulfurizing, double alkali method desulfurizing or reclaims Magnesium sulfate heptahydrate method
Desulfurization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634834.7A CN106139650A (en) | 2016-08-04 | 2016-08-04 | A kind of ultrasound wave eliminates the system and method for desulfurization slurry pond foam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634834.7A CN106139650A (en) | 2016-08-04 | 2016-08-04 | A kind of ultrasound wave eliminates the system and method for desulfurization slurry pond foam |
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| CN106139650A true CN106139650A (en) | 2016-11-23 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376428A (en) * | 2017-07-24 | 2017-11-24 | 安徽理工大学 | A kind of defoaming device and method of desulfurization slurry foaming |
| CN109107228A (en) * | 2017-06-26 | 2019-01-01 | 大唐环境产业集团股份有限公司 | A kind of desulfuration absorbing tower automatic defoaming device and debubbling method |
| CN109342152A (en) * | 2018-12-26 | 2019-02-15 | 北京国电龙源环保工程有限公司 | Ultrasonic vacuum pumps defoaming system before a kind of gypsum slurries density measurement |
| CN109499345A (en) * | 2018-12-29 | 2019-03-22 | 中国联合工程有限公司 | The overflow of Limestone-gypsum Wet Flue Gas Desulfurization Process absorption tower defoams structure and its application method |
| CN109603500A (en) * | 2018-12-13 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump |
| CN113457447A (en) * | 2021-06-29 | 2021-10-01 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Method for removing COD (chemical oxygen demand) of desulfurization absorption tower slurry by wet catalytic oxidation |
| CN116726549A (en) * | 2023-08-14 | 2023-09-12 | 河北田原化工集团有限公司 | Foam removing device of self-cleaning desulfurizing tower and working method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107228A (en) * | 2017-06-26 | 2019-01-01 | 大唐环境产业集团股份有限公司 | A kind of desulfuration absorbing tower automatic defoaming device and debubbling method |
| CN107376428A (en) * | 2017-07-24 | 2017-11-24 | 安徽理工大学 | A kind of defoaming device and method of desulfurization slurry foaming |
| CN109603500A (en) * | 2018-12-13 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump |
| CN109603500B (en) * | 2018-12-13 | 2023-10-24 | 国能龙源环保有限公司 | Flue gas desulfurization equipment for carrying out gypsum cyclone by utilizing circulating pump |
| CN109342152A (en) * | 2018-12-26 | 2019-02-15 | 北京国电龙源环保工程有限公司 | Ultrasonic vacuum pumps defoaming system before a kind of gypsum slurries density measurement |
| CN109499345A (en) * | 2018-12-29 | 2019-03-22 | 中国联合工程有限公司 | The overflow of Limestone-gypsum Wet Flue Gas Desulfurization Process absorption tower defoams structure and its application method |
| CN109499345B (en) * | 2018-12-29 | 2024-06-04 | 中国联合工程有限公司 | Overflow defoaming structure of limestone-gypsum wet desulfurization absorption tower and application method thereof |
| CN113457447A (en) * | 2021-06-29 | 2021-10-01 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Method for removing COD (chemical oxygen demand) of desulfurization absorption tower slurry by wet catalytic oxidation |
| CN113457447B (en) * | 2021-06-29 | 2023-10-17 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Method for removing COD (chemical oxygen demand) of slurry of desulfurization absorption tower by wet catalytic oxidation |
| CN116726549A (en) * | 2023-08-14 | 2023-09-12 | 河北田原化工集团有限公司 | Foam removing device of self-cleaning desulfurizing tower and working method thereof |
| CN116726549B (en) * | 2023-08-14 | 2023-10-20 | 河北田原化工集团有限公司 | Foam removing device of self-cleaning desulfurizing tower and working method thereof |
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