CN105289250A - Bubbler - Google Patents

Bubbler Download PDF

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Publication number
CN105289250A
CN105289250A CN201510713718.XA CN201510713718A CN105289250A CN 105289250 A CN105289250 A CN 105289250A CN 201510713718 A CN201510713718 A CN 201510713718A CN 105289250 A CN105289250 A CN 105289250A
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CN
China
Prior art keywords
gas distribution
gas
distribution pipe
pipe
liquid
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.)
Pending
Application number
CN201510713718.XA
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Chinese (zh)
Inventor
王娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN LONGLEI SCIENCE & TECHNOLOGY Co Ltd
Original Assignee
TIANJIN LONGLEI SCIENCE & TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TIANJIN LONGLEI SCIENCE & TECHNOLOGY Co Ltd filed Critical TIANJIN LONGLEI SCIENCE & TECHNOLOGY Co Ltd
Priority to CN201510713718.XA priority Critical patent/CN105289250A/en
Publication of CN105289250A publication Critical patent/CN105289250A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a bubbler. The bubbler is composed of a barrel body, a gas inlet pipe, a first-stage gas distribution pipe, a second-stage gas distribution pipe, a jetting pipe, an exhaust port, a liquid desulfurizer inlet, a slag liquid discharging port and the like. An absorbing liquid cavity is formed in the lower portion of the barrel body, and a purifying gas cavity is formed in the upper portion of the barrel body. The gas inlet pipe is connected with the barrel wall in a welding mode, one end of the gas inlet pipe is perpendicularly welded to the first-stage gas distribution pipe and communicated with the first-stage gas distribution pipe. The first-stage gas distribution pipe and the second-stage gas distribution pipe form two disk type gas distributor devices which are arranged in an up-and-down mode. The jetting pipe is welded to the second-stage gas distribution pipe, and the jetting pipe and the second-stage gas distribution pipe are welded in an inverted-V shape on the same cross section. The exhaust pipe port is welded to an end cover of the barrel body. The liquid desulfurizer inlet is located at the 1/2 position of the total height of the barrel body. The slag liquid discharging port is located on the bottommost portion of the barrel body. The bubbler can substantially increase the total area of a gas outlet, the waste gas treatment amount is large, desulfurizing efficiency is improved, the structure is compact and reasonable, and installation is convenient.

Description

A kind of bubbler
Technical field
The present invention relates to a kind of gas sparger, particularly one utilizes wet desulfurizing process, removes SO 2, SO 3deng the cylindrical shell bubbling device of sour gas, belong to waste gas treatment equipment field.
Technical background
Bubbler, also known as bubbling reactor, be a kind of gas-liquid mass transfer or reaction unit, its function is: the alkali lye haptoreaction in the gas utilizing flue to carry and device, removes 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 get more and more, the atmosphere pollution caused also is on the rise, and therefore, builds desulfurizer and to be absolutely necessary control measure.At present, most widely used, that technology is the most ripe sulfur removal technology 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, during as made desulfurizing agent with lime, as Ca/S=1, can reach the desulfurization degree of 90%, is applicable to the flue gas desulfurization of large-scale coal fired power plant.As the device-bubbling reactor of wet desulphurization, because its structure is simple, mechanical drive disk assembly, the plurality of advantages such as alternate contact area is large and easy to operate are 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 surface area is reduced, be unfavorable for gas-liquid contact reaction, tower body is very high, maintenance, installation inconvenience.And the quality as the gas distributor of one of the key equipment of bubbling reactor decides the mass-transfer efficiency size of bubbler., there is gas holdup little in existing gas distributor, the shortcoming of distributing homogeneity difference.Therefore, the bubbler of development of new structure, particularly gas distributor seem particularly important.
The present invention will overcome the deficiency of existing bubbler, provides a kind of New bubble reactor, especially distribution device in gas-fluid.The bubbler of this new structure can improve existing because of gas sparging device distribution of gas inequality, bubbling amount is few and the shortcoming that desulfuration efficiency that is that cause is low, solve bubble tower because of tower body height too high, the problem of inconvenience installation, maintenance, make stable operation, realize structure simple, compact, 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: provide a kind of bubbler, and this bubbler, 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.The arrangement achieves compact conformation, stable operation, reduce costs, the object that desulfuration efficiency is high.
In order to solve the problem, the present invention is achieved through technology,
A kind of 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 and barrel adopt Type of Welding to be connected, and ensure sealing, one end is with one-level liquid distributor vertical welding and be communicated with; One-level gas distribution pipe number is two, and vertical welding upper and lower with air inlet pipe communicates respectively, and its length is about 3/4 of barrel diameter, two one-level gas distribution pipes between the upper and lower apart from arranging, premised on considering that the playpipe that distributes up and down is at regular intervals; Secondary gas distribution pipe is several, parallel each other, and connects with one-level gas distribution pipe vertical welding and be communicated with, and according to the feature of tube structure, each pipe range is different; Playpipe, be welded on secondary gas distribution pipe, and playpipe becomes "eight" shape to weld on the same cross section of secondary gas distribution pipe along each secondary gas distribution pipe central axis direction; Demister, with bolt type of attachment, is arranged on the top of air inlet pipe, for removing the water smoke in Purge gas; Sparge pipe, is arranged on the top of demister, can clean this demister in time; Exhaust outlet, discharge duct is welded on the end cap of cylindrical shell; The import of liquid desulfurizing agent, the i.e. entrance of liquid desulfurizing agent, be positioned at 1/2 position of cylindrical shell height; Slag outlet at night, is positioned at the bottom of cylindrical shell, is easy to the outflow at slag night; Bracing frame is arranged on the bottom that cylindrical shell absorbs sap cavity, plays support fixation to gas distributor; Liquid level gauge is arranged on cylinder body outer wall, with the liquid level of inspection section body absorption liquid.Containing SO 2waste gas first enter one-level gas distribution pipe through air inlet pipe, then enter secondary gas distribution pipe respectively by one-level gas distribution pipe, then enter in absorbing liquid cavity by the playpipe that the number that distributes is more with bubbling form, contact with the solution such as caustic lime stone and produce chemical reaction, make SO 2absorbed, like this, waste gas is purified, and purified gas rises to cylindrical shell the first half, after demister, enter next stage equipment from exhaust ports.And the slag such as the precipitation produced in course of reaction night, as required, regularly got rid of by slag outlet at night, corresponding liquid-inlet can liquid make-up desulfurizing agent in time.
After one-level gas distribution pipe is connected with several secondary gas distribution pipes, form tray-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 secondary gas distribution pipe up and down, whole distribution device in gas-fluid haves three layers playpipe altogether, being uniformly distributed after such structure is conducive to 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 tray-type gas distributor is upward existing, also has down, and the outlet of all playpipes is all positioned on same level line.
Cylindrical shell exterior wall is provided with liquid level gauge, is convenient to inspection section body liquid level.
Cylinder body bottom has the circular base plate slightly tilted, and angle of inclination is less than 5 °, is easy to the discharge at inner barrel slag night.
Have employed said structure scheme, the invention has the beneficial effects as follows:
The tray-type gas distribution apparatus that the present invention adopts one-level gas distribution pipe and secondary gas distribution pipe to be formed, and be set to Dual-layer structure, make playpipe length reduction, compact conformation, rationally, be evenly distributed after being conducive to 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 is compared with existing bubbler, and concrete outstanding advantage is: (1) increases the gross area of the gas vent mouth of pipe in absorbing liquid, and make exhaust-gas treatment amount large, 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, rationally, easy for installation.
A kind of novel bubbler provided by the invention, structurally manufactures simple, operationally has feasibility, for practical application provides great convenience, can be widely used in the industrial operation 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 cavity 11. absorbs sap cavity 12. slag outlet at night 13. bracing frame 14. liquid level gauge
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.As shown in Figure 1, cylindrical shell 5 top is purified gas body cavity 10, bottom is for absorbing sap cavity 11, the demister 6 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, it has cleaning demister sparge pipe 7 several, and be provided with several shower nozzles.The air inlet pipe 9 entered for waste gas is welded on barrel, and one end is stretched in cylindrical shell and is connected with one-level gas distribution pipe 1 is vertical and communicates.One-level gas distribution pipe 2, the multiple secondary gas distribution pipe 1 be parallel to each other and playpipe 2 form tray-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 absorbed liquid purification equably.Two tray-type gas structure of distributor are roughly the same, but underlying distributor one-level gas distribution pipe 3 be all welded with secondary gas distribution pipe 1 and playpipe 2 up and down, considerably increase bubbling amount and bubbling rate, and then improve the exhaust-gas treatment amount of unit interval.Waste gas enters tray-type gas distributor from air inlet pipe 9, first through one-level gas distribution pipe 2, to secondary gas distribution pipe 1, exports and enters absorbing liquid with bubbling form, the SO in waste gas from playpipe 2 2absorbed by this absorbing liquid Deng sour gas, purified gas out continues to rise to purified gas body cavity 10 from absorbing liquid afterwards, through the effect of demister, removes the water droplet that gas is carried secretly, is finally discharged from exhaust outlet 8 by purified gas.According to needs during demister operating condition, sparge pipe 7 is used to clean sprayer 6 in time.Precipitation can wait waste liquid to discharge cylindrical shell by the slag outlet at night of cylinder body bottom, can supplement absorbing liquid in time by liquid desulfurizing agent import 4.Observe the liquid level gauge 14 that cylinder body outer wall is installed, the liquid level of absorbing liquid in cylindrical shell can be adjusted in time, ensure the abundant haptoreaction of gas-liquid.This new structure bubbler, utilizes upper and lower two tray-type gas distribution apparatus, 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 common bubbling device 3 times, effectively improves the efficiency of desulfurization.
Last it is noted that above embodiment only in order to illustrate the present invention and and unrestricted technical scheme described in the invention; Therefore, although this description reference the above embodiments are to present invention has been detailed description, those of ordinary skill in the art should be appreciated that and still can modify to the present invention or equivalent replacement; 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 right 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 and barrel adopt Type of Welding to be connected, and ensure sealing, one end is with one-level liquid distributor vertical welding and be communicated with; Described one-level gas distribution pipe, number is two, and vertical welding upper and lower with air inlet pipe communicates respectively, and its length is about 3/4 of barrel diameter, two one-level gas distribution pipes between the upper and lower apart from arranging, premised on considering that the playpipe that distributes up and down is at regular intervals; Described secondary gas distribution pipe is several, parallel each other, and connects with one-level gas distribution pipe vertical welding and be communicated with, and according to the feature of tube structure, each pipe range is different; Described playpipe, be welded on secondary gas distribution pipe, and playpipe becomes "eight" shape to weld on the same cross section of secondary gas distribution pipe along each secondary gas distribution pipe central axis direction; Described demister, with bolt type of attachment, is arranged on the top of air inlet pipe, for removing the water smoke in Purge gas; Described sparge pipe, is arranged on the top of demister, can clean this demister in time; 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 bottom of cylindrical shell, is easy to the outflow at slag night; Described bracing frame is arranged on the bottom that cylindrical shell absorbs sap cavity, plays support fixation to gas distributor; Described liquid level gauge is arranged on cylinder body outer wall, with the liquid level of inspection section body absorption liquid.Containing SO 2waste gas first enter one-level gas distribution pipe through air inlet pipe, then enter secondary gas distribution pipe respectively by one-level gas distribution pipe, then enter in absorbing liquid cavity by the playpipe that the number that distributes is more with bubbling form, contact with the solution such as caustic lime stone and produce chemical reaction, make SO 2absorbed, like this, waste gas is purified, and purified gas rises to cylindrical shell the first half, after demister, enter next stage equipment from exhaust ports.And the slag such as the precipitation produced in course of reaction night, as required, regularly got rid of by slag outlet at night, corresponding liquid-inlet can 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 tray-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 secondary gas distribution pipe up and down, whole distribution device in gas-fluid haves three layers playpipe altogether, being uniformly distributed after such structure is conducive to 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: described cylindrical shell exterior wall is provided with liquid level gauge, 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 base plate slightly tilted, and angle of inclination is less than 5 °, is easy to the discharge at inner barrel slag night.
CN201510713718.XA 2015-10-27 2015-10-27 Bubbler Pending CN105289250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510713718.XA CN105289250A (en) 2015-10-27 2015-10-27 Bubbler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510713718.XA CN105289250A (en) 2015-10-27 2015-10-27 Bubbler

Publications (1)

Publication Number Publication Date
CN105289250A true CN105289250A (en) 2016-02-03

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CN201510713718.XA Pending CN105289250A (en) 2015-10-27 2015-10-27 Bubbler

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108355369A (en) * 2018-02-13 2018-08-03 中国核动力研究设计院 A kind of bubbler device with adjustable bubbling arm configuration
CN110170234A (en) * 2019-05-30 2019-08-27 深圳市港嘉工程检测有限公司 It is a kind of for build detection gas blow-off system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108355369A (en) * 2018-02-13 2018-08-03 中国核动力研究设计院 A kind of bubbler device with adjustable bubbling arm configuration
CN110170234A (en) * 2019-05-30 2019-08-27 深圳市港嘉工程检测有限公司 It is a kind of for build detection gas blow-off system

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Application publication date: 20160203