CN103657384A - Bubbler - Google Patents
Bubbler Download PDFInfo
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- CN103657384A CN103657384A CN201310744320.3A CN201310744320A CN103657384A CN 103657384 A CN103657384 A CN 103657384A CN 201310744320 A CN201310744320 A CN 201310744320A CN 103657384 A CN103657384 A CN 103657384A
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Abstract
The invention relates to a bubbler, which consists of a tube body, a gas inlet pipe, primary gas distributing pipes, secondary gas distributing pipes, spraying pipes, an exhaust pipe opening, a liquid desulfurizing agent inlet, a slag liquid discharging opening and the like, wherein the lower part of the tube body is provided with a liquid absorption cavity, the upper part of the tube body is provided with a gas purification cavity, the gas inlet pipe and the tube wall are connected in a welding form, one end of the gas inlet pipe is vertically welded and communicated with the primary gas distributing pipes, the primary gas distributing pipes and the secondary gas distributing pipes form an upper disc type gas distributor device and a lower disc type gas distributor device, the spraying pipes are welded on the secondary gas distributing pipes and form the splayed welding in the same cross section, the exhaust pipe opening is welded on an end cover of the tube body, the liquid desulfurizing agent inlet is positioned in a 1/2 height position of the tube body, and the slag liquid discharging opening is positioned at the lowest part of the tube body. The bubbler has the advantages that the total area of a gas outlet can be greatly increased, the waste gas treatment capacity is great, the desulfurizing efficiency is improved, the structure is compact and reasonable, and the installation is convenient.
Description
Technical field
The present invention relates to a kind of gas sparging device, particularly a kind of wet desulfurizing process that utilizes, removes SO
2, SO
3deng the cylindrical shell bubbling device of sour gas, belong to waste gas treatment equipment field.
Technical background
Bubbler, claims again bubbling reactor, is a kind of gas-liquid mass transfer or reaction unit, and its function is: utilize the gas of flue conveying and the alkali lye haptoreaction in device, remove the SO in flue gas
2, SO
3deng sour gas, reach the object of desulfurization, Purge gas.Along with the construction with large coal-fired power plant that develops rapidly of China's energy industry, firing rate constantly increases, SO
2discharge capacity more and more, the atmosphere pollution causing is also on the rise, and therefore, builds the desulfurizer control measure that are absolutely necessary.At present, sulfur removal technology most widely used, that technology is the most ripe is exactly wet desulphurization.Owing to being gas liquid reaction, its desulphurization reaction speed is fast, efficiency is high, sulfur-removing additives utilization rate is high, when made desulfurizing agent with lime, when Ca/S=1, can reach 90% desulfurization degree, is applicable to the flue gas desulfurization of large-scale coal fired power plant.As the device-bubbling reactor of wet desulphurization, because it is simple in structure, machinery-free drive disk assembly, alternate contact area is large and easy to operate etc., and plurality of advantages is widely used in chemical industry and association area.At present, domestic bubbling reactor mostly is bubble tower, and it takes up room greatly, and liquid phase has larger air-teturning mixed phenomenon, when tower body ratio of height to diameter is large, bubble aggregate speed increases, and phase border contact-making surface area is reduced, be unfavorable for gas-liquid contact reaction, tower body is very high, maintenance, installation inconvenience.And as the quality of the gas distributor of one of key equipment of bubbling reactor, determining the mass-transfer efficiency size of bubbler.Existing gas distributor, exists gas holdup little, the shortcoming that distributing homogeneity is poor.Therefore, the bubbler of development of new structure, particularly gas distributor seem particularly important.
The present invention will overcome the deficiency of existing bubbler, and a kind of New bubble reactor, especially distribution device in gas-fluid are provided.The bubbler of this new structure can improve existing because of gas sparging device distribution of gas inequality, the low shortcoming of bubbling amount desulfuration efficiency few and that cause, solve bubble tower because of tower body height too high, the problem of inconvenience installation, maintenance, make stable operation, implementation structure is simple, compact, and overall height is lower, the object that desulfuration efficiency increases substantially.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of bubbler is provided, and this bubbler is by double-deck distribution of gas bubbling device, distribute more even, bubbling amount of gas sparging is increased substantially, and then gas-liquid contact reaction is quick, desulfuration efficiency increase.This device has been realized compact conformation, stable operation, reduces costs the object that desulfuration efficiency is high.
In order to address the above problem, the present invention is achieved through technology,
A bubbler, comprises cylindrical shell, air inlet pipe, one-level gas distribution pipe, secondary gas distribution pipe, playpipe, demister, sparge pipe, exhaust outlet, the import of liquid desulfurizing agent, slag outlet at night, bracing frame and liquid level gauge.Cylindrical shell is vertical sealed structure, is divided into upper and lower two chambeies, and bottom is for absorbing sap cavity, and top is purified gas body cavity; Air inlet pipe adopts Type of Welding to be connected with barrel, guarantees sealing, and one end is also communicated with one-level liquid distributor vertical welding; One-level gas distribution pipe number is two, communicate with the upper and lower vertical welding of air inlet pipe respectively, 3/4, two one-level gas distribution pipe that its length is about barrel diameter between the upper and lower apart from arrange, take consider the playpipe distributing up and down at regular intervals be prerequisite; Secondary gas distribution pipe is several, parallel each other, and connects and be communicated with one-level gas distribution pipe vertical welding, and according to the feature of tube structure, each pipe range is different; Playpipe, is welded on secondary gas distribution pipe along each secondary gas distribution pipe central axis direction, and playpipe becomes "eight" shape welding on the same cross section of secondary gas distribution pipe; Demister, with bolt type of attachment, is arranged on the top of air inlet pipe, for removing the water smoke of Purge gas; Sparge pipe, is arranged on the top of demister, can clean in time this demister; Exhaust outlet, discharge duct is welded on the end cap of cylindrical shell; The import of liquid desulfurizing agent, i.e. the entrance of liquid desulfurizing agent, is positioned at 1/2 position of cylindrical shell height; Slag outlet at night, is positioned at the below of cylindrical shell, is easy to the slag outflow at night; Bracing frame is arranged on the bottom that cylindrical shell absorbs sap cavity, and gas distributor is played to support fixation; Liquid level gauge is arranged on cylinder body outer wall, to observe the liquid level of absorption liquid in cylindrical shell.Containing SO
2waste gas first through air inlet pipe, enter one-level gas distribution pipe, then by one-level gas distribution pipe, enter respectively secondary gas distribution pipe, then enter in absorption liquid cavity with bubbling form by the more playpipe of distribution number, contact generation chemical reaction with the solution such as caustic lime stone, make SO
2be absorbed, like this, waste gas is purified, and purified gas rises to cylindrical shell the first half, after demister, from exhaust ports, enters next stage equipment.And the slag such as the precipitation producing in course of reaction night as required, is regularly got rid of by slag outlet at night, corresponding liquid-inlet is liquid make-up desulfurizing agent in time.
After one-level gas distribution pipe is connected with several secondary gas distribution pipes, form disc type gas distributor, this device is divided into upper and lower two, and in the tray type structure of lower floor, one-level gas distribution pipe be all welded with up and down secondary gas distribution pipe, the whole distribution device in gas-fluid playpipe that haves three layers altogether, such structure is conducive to being uniformly distributed after gas sparging, increases bubbling amount.
Playpipe becomes "eight" shape to be welded on secondary gas distribution pipe, and angle is 50 °, and length is about 100 millimeters, and aperture is 3～5 millimeters.
Upper strata disc type gas distributor, the splayed playpipe on secondary gas distribution pipe goes out mouth down, and the splayed playpipe outlet of lower floor's disc type gas distributor is upward existing, also have down, and the outlet of all playpipes is all positioned on same level line.
In cylindrical shell exterior wall, liquid level gauge is installed, is convenient to inspection section body liquid level.
Cylinder body bottom has the circular slightly base plate of low dip, and angle of inclination is less than 5 °, is easy to the discharge at night of inner barrel slag.
Adopted said structure scheme, the invention has the beneficial effects as follows:
The disc type distribution device in gas-fluid that the present invention adopts one-level gas distribution pipe and secondary gas distribution pipe to form, and be set to Dual-layer structure, playpipe length is dwindled, compact conformation, reasonable, be conducive to be evenly distributed after gas sparging, increase gas-liquid contact amount simultaneously, and then increase the exhaust-gas treatment amount in the unit interval, be conducive to improve desulfuration efficiency
Therefore, the present invention compares with existing bubbler, and concrete outstanding advantage is: (1) has increased the gross area that increases the gas vent mouth of pipe in absorption liquid, makes exhaust-gas treatment amount large, and desulfuration efficiency is high; (2) solve a difficult problem for gas distributor distribution of gas inequality, be beneficial to the abundant haptoreaction of gas-liquid; (3) compact conformation, reasonable, easy for installation.
A kind of novel bubbler provided by the invention, structurally manufactures simply, in operation, has feasibility, for practical application provides great convenience, can be widely used in the industrial operations such as flue gas desulfurization, exhaust-gas treatment.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention, and accompanying drawing 2 is top views.
In accompanying drawing: 1. secondary gas distribution pipe 2. playpipe 3. one-level gas distribution pipe 4. liquid desulfurizing agent import 5. cylindrical shell 6. demister 7. sparge pipe 8. exhaust outlet 9. air inlet pipe 10. purified gas body cavitys 11. absorb sap cavity 12. slag outlet at night 13. bracing frame 14. liquid level gauges
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.As shown in Figure 1, cylindrical shell 5 tops are purified gas body cavity 10, bottom is for absorbing sap cavity 11, the demister 6 of removing Purge gas water smoke is installed in purified gas body cavity 10, that dismountable bolt is connected with the connected mode of cylindrical shell, on it, have clean demister sparge pipe 7 several, and be provided with several shower nozzles.The air inlet pipe 9 entering for waste gas is welded on barrel, and one end is stretched in cylindrical shell and is connected and communicates with one-level gas distribution pipe 1 is vertical.One-level gas distribution pipe 2, a plurality of secondary gas distribution pipes 1 that are parallel to each other and playpipe 2 form disc type gas distributor, and the outlet of all playpipes 2 is all positioned on same level line, make to be positioned at fluid pressure on this horizontal plane to etc., realize waste gas and be absorbed equably liquid and purify.Two disc type gas distributor structures are roughly the same, but lower floor's distributor one-level gas distribution pipe 3 be all welded with up and down secondary gas distribution pipe 1 and playpipe 2, greatly increased bubbling amount and bubbling speed, and then improved the exhaust-gas treatment amount of unit interval.Waste gas enters disc type gas distributor from air inlet pipe 9, first through one-level gas distribution pipe 2, to secondary gas distribution pipe 1, enters absorption liquid the SO in waste gas from playpipe 2 outlets with bubbling form
2deng sour gas, by this absorption liquid, absorbed, purified gas continues to rise to purified gas body cavity 10 from absorption liquid out, through the effect of demister, removes the water droplet that gas is carried secretly, finally purified gas is discharged from exhaust outlet 8.Needs during according to demister operating condition, are used sparge pipe 7 in time sprayer 6 to be cleaned.The slag outlet at night of cylinder body bottom can wait waste liquid to discharge cylindrical shell precipitation, by liquid desulfurizing agent import 4, can supplement in time absorption liquid.Observe the liquid level gauge 14 that cylinder body outer wall is installed, can adjust in time the liquid level of absorption liquid in cylindrical shell, guarantee the abundant haptoreaction of gas-liquid.This new structure bubbler, utilizes upper and lower two disc type distribution device in gas-fluid, can increase substantially gas sparging amount, and then increases the exhaust-gas treatment amount in the unit interval, is about the gas treatment amount of 3 times of common bubbling devices, has effectively improved the efficiency of desulfurization.
Finally it should be noted that: above embodiment is only in order to illustrate the present invention and unrestricted technical scheme described in the invention; Therefore, although this description has been described in detail the present invention with reference to the above embodiments,, those of ordinary skill in the art should be appreciated that still and can modify or be equal to replacement the present invention; And all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (5)
1. a bubbler, is characterized in that: comprise cylindrical shell, air inlet pipe, one-level gas distribution pipe, secondary gas distribution pipe, playpipe, demister, sparge pipe, exhaust outlet, the import of liquid desulfurizing agent, slag outlet at night, bracing frame and liquid level gauge.Described cylindrical shell is vertical sealed structure, is divided into upper and lower two chambeies, and bottom is for absorbing sap cavity, and top is purified gas body cavity; Described air inlet pipe adopts Type of Welding to be connected with barrel, guarantees sealing, and one end is also communicated with one-level liquid distributor vertical welding; Described one-level gas distribution pipe, number is two, communicate with the upper and lower vertical welding of air inlet pipe respectively, 3/4, two one-level gas distribution pipe that its length is about barrel diameter between the upper and lower apart from arrange, take consider the playpipe distributing up and down at regular intervals be prerequisite; Described secondary gas distribution pipe is several, parallel each other, and connects and be communicated with one-level gas distribution pipe vertical welding, and according to the feature of tube structure, each pipe range is different; Described playpipe, is welded on secondary gas distribution pipe along each secondary gas distribution pipe central axis direction, and playpipe becomes "eight" shape welding on the same cross section of secondary gas distribution pipe; Described demister, with bolt type of attachment, is arranged on the top of air inlet pipe, for removing the water smoke of Purge gas; Described sparge pipe, is arranged on the top of demister, can clean in time this demister; Exhaust outlet, discharge duct is welded on the end cap of cylindrical shell; Described liquid desulfurizing agent import, i.e. the entrance of liquid desulfurizing agent, is positioned at 1/2 position of cylindrical shell height; Described slag outlet at night, is positioned at the below of cylindrical shell, is easy to the slag outflow at night; Described bracing frame is arranged on the bottom that cylindrical shell absorbs sap cavity, and gas distributor is played to support fixation; Described liquid level gauge is arranged on cylinder body outer wall, to observe the liquid level of absorption liquid in cylindrical shell.Containing SO
2waste gas first through air inlet pipe, enter one-level gas distribution pipe, then by one-level gas distribution pipe, enter respectively secondary gas distribution pipe, then enter in absorption liquid cavity with bubbling form by the more playpipe of distribution number, contact generation chemical reaction with the solution such as caustic lime stone, make SO
2be absorbed, like this, waste gas is purified, and purified gas rises to cylindrical shell the first half, after demister, from exhaust ports, enters next stage equipment.And the slag such as the precipitation producing in course of reaction night as required, is regularly got rid of by slag outlet at night, corresponding liquid-inlet is liquid make-up desulfurizing agent in time.
2. a kind of bubbler as claimed in claim 1, it is characterized in that: after described one-level gas distribution pipe is connected with several secondary gas distribution pipes, form disc type gas distributor, this device is divided into upper and lower two, and in the tray type structure of lower floor, one-level gas distribution pipe be all welded with up and down secondary gas distribution pipe, the whole distribution device in gas-fluid playpipe that haves three layers altogether, such structure is conducive to being uniformly distributed after gas sparging, increases bubbling amount.
3. a kind of bubbler as claimed in claim 1, is characterized in that: described playpipe becomes "eight" shape to be welded on secondary gas distribution pipe, and angle is 50 °, and length is about 100 millimeters, and aperture is 3～5 millimeters.
4. a kind of bubbler as claimed in claim 1, is characterized in that: in described cylindrical shell exterior wall, liquid level gauge is installed, is convenient to inspection section body liquid level.
5. a kind of bubbler as claimed in claim 1, is characterized in that: described cylinder body bottom has the circular slightly base plate of low dip, and angle of inclination is less than 5 °, is easy to the discharge at night of inner barrel slag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744320.3A CN103657384A (en) | 2013-12-26 | 2013-12-26 | Bubbler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744320.3A CN103657384A (en) | 2013-12-26 | 2013-12-26 | Bubbler |
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| Publication Number | Publication Date |
|---|---|
| CN103657384A true CN103657384A (en) | 2014-03-26 |
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ID=50296879
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310744320.3A Pending CN103657384A (en) | 2013-12-26 | 2013-12-26 | Bubbler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111265952A (en) * | 2020-04-08 | 2020-06-12 | 贵州省息烽县长宏铸造有限公司 | Bubbling scrubber for tail gas of cupola furnace |
| CN112662522A (en) * | 2021-01-22 | 2021-04-16 | 魏乾雪 | A atomizing device for cell culture liquid |
-
2013
- 2013-12-26 CN CN201310744320.3A patent/CN103657384A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111265952A (en) * | 2020-04-08 | 2020-06-12 | 贵州省息烽县长宏铸造有限公司 | Bubbling scrubber for tail gas of cupola furnace |
| CN112662522A (en) * | 2021-01-22 | 2021-04-16 | 魏乾雪 | A atomizing device for cell culture liquid |
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Application publication date: 20140326 |