CN112588093A - Double-alkali desulfurization process - Google Patents

Double-alkali desulfurization process Download PDF

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Publication number
CN112588093A
CN112588093A CN202011329063.3A CN202011329063A CN112588093A CN 112588093 A CN112588093 A CN 112588093A CN 202011329063 A CN202011329063 A CN 202011329063A CN 112588093 A CN112588093 A CN 112588093A
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desulfurization
desulfurizing
rods
adjusting
tower
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CN202011329063.3A
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Chinese (zh)
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陶义
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Anhui Gelun Environmental Protection Engineering Technology Co ltd
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Anhui Gelun Environmental Protection Engineering Technology Co ltd
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Priority to CN202011329063.3A priority Critical patent/CN112588093A/en
Publication of CN112588093A publication Critical patent/CN112588093A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • B01D53/501Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/502Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • B01D53/501Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/504Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/96Regeneration, reactivation or recycling of reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/30Alkali metal compounds
    • B01D2251/304Alkali metal compounds of sodium

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

The invention belongs to the technical field of desulfurizing towers, and particularly relates to a double-alkali desulfurization process, which comprises the following steps: 1) conveying the gas to be treated into a desulfurizing tower through a diversion pipeline by an air inlet fan, conveying the desulfurizing liquid in a desulfurizing circulating pool into the desulfurizing tower through a pipeline for spray-type desulfurizing treatment and discharging; 2) meanwhile, liquid treated by the desulfurizing tower flows back to the desulfurizing circulation pool through a return pipe; 3) the liquid in the desulfurization circulating pool is conveyed to a neutralization oxidation reaction pool through a pipeline for oxidation and precipitation; (4) supernatant fluid after precipitation in the neutralization oxidation tank is conveyed to a secondary oxidation tank for secondary oxidation and precipitation; (5) and the supernatant in the secondary oxidation sedimentation tank flows back to the desulfurization circulation tank for reutilization, and the desulfurization solution treated by the neutralization oxidation tank is subjected to secondary oxidation sedimentation, so that the treatment of the desulfurization solution is further improved, and the desulfurization efficiency of the circulating desulfurization solution is ensured.

Description

Double-alkali desulfurization process
Technical Field
The invention belongs to the technical field of desulfurizing towers, and particularly relates to a double-alkali desulfurization process.
Background
The double alkali method is to adopt sodium-based desulfurizer to carry out in-tower desulfurization, and because the sodium-based desulfurizer has strong alkalinity, the solubility of reaction products is high after sulfur dioxide is absorbed, and the problems of supersaturation crystallization and scaling blockage can not be caused. On the other hand, the desulfurization product is discharged into a regeneration tank and is reduced and regenerated by calcium hydroxide, and the regenerated sodium-based desulfurizer is pumped back to the desulfurization tower for recycling;
the existing dual-alkali desulfurization process has incomplete treatment on the recycled desulfurization solution, so that the desulfurization efficiency is low when the desulfurization solution is subjected to spray desulfurization after circulation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a dual-alkali desulfurization process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a dual-alkali desulfurization process comprises the following steps:
(1) conveying the gas to be treated into a desulfurizing tower through a diversion pipeline by an air inlet fan, conveying the desulfurizing liquid in a desulfurizing circulating pool into the desulfurizing tower through a pipeline for spray-type desulfurizing treatment and discharging;
(2) meanwhile, liquid treated by the desulfurizing tower flows back to the desulfurizing circulation pool through a return pipe;
(3) the liquid in the desulfurization circulating pool is conveyed to a neutralization oxidation reaction pool through a pipeline for oxidation and precipitation;
(4) supernatant fluid after precipitation in the neutralization oxidation tank is conveyed to a secondary oxidation tank for secondary oxidation and precipitation;
(5) and returning the supernatant in the secondary oxidation sedimentation tank to the desulfurization circulating tank for reutilization.
Preferably, a pre-spraying mechanism for spraying is arranged in the diversion pipeline, and spraying liquid of the pre-spraying mechanism is provided by the desulfurization circulating pool.
Preferably, a plurality of desulfurization nets are arranged in the desulfurization tower, a plurality of adsorption balls are arranged in the desulfurization net between the upper part and the lower part, a rotatable desulfurization rod is arranged in the middle of the desulfurization net, a plurality of fixedly connected smoothing rods are arranged on the desulfurization rod, a plurality of fixedly connected smoothing teeth are arranged at the bottom of the smoothing rod, a plurality of fixedly connected adjusting rods are arranged at the bottom of the desulfurization net at the upper end of the smoothing rod, a plurality of adjusting grooves are arranged at the bottom of the adjusting rod, movably connected adjusting shafts are arranged in the adjusting grooves, two ends of each adjusting shaft are connected with two ends of each adjusting groove through torsion springs, a knocking rod for knocking the desulfurization net is arranged at the bottom of the desulfurization net at one side of each adjusting rod, one end of each knocking rod is fixedly connected with one side of each adjusting shaft, a transmission rod for driving the adjusting shafts to rotate is arranged at the bottom of each adjusting rod, and the upper, and a re-spraying mechanism sprayed with desulfurization liquid is arranged in the desulfurization tower above the desulfurization net.
Preferably, the bottom of the desulfurization rod is connected with the bottom of the desulfurization tower, and the bottom of the desulfurization tower is provided with a driving motor which drives the desulfurization rod to rotate.
Preferably, the adsorption ball is made of porous materials with light weight and good adsorbability.
Preferably, the spraying mechanism includes shower and circulating pump, shower fixed mounting is in desulfurization net upper end, the circulating pump sets up in desulfurization circulation pond one side, and the circulating pump end of intaking is equipped with the feed liquor pipe, feed liquor pipe one end and desulfurization circulation pond intercommunication, the circulating pump drainage end is equipped with the honeycomb duct, honeycomb duct and shower intercommunication, the shower bottom is equipped with evenly distributed's shower nozzle.
Preferably, be equipped with vapor recovery mechanism in the desulfurizing tower, vapor recovery mechanism is including retrieving the piece and retrieving the board, retrieve piece fixed mounting inside the desulfurizing tower, and retrieve the piece middle part and be equipped with square intercommunicating pore, be equipped with a plurality of phase-matchs and evenly distributed's recovery board in the intercommunicating pore, it is corrugated to retrieve the board.
Preferably, the steam recovery mechanism is provided in plurality.
Further, the recovery plate comprises a first pressing plate and a second pressing plate which are the same in size, the outer surfaces of the first pressing plate and the second pressing plate are respectively provided with an adsorption layer fixedly connected with each other, a plurality of fixedly connected positioning rods are arranged in the communication holes, the positioning rods respectively and movably penetrate through the corresponding first pressing plate and the second pressing plate, the positioning rods are respectively and fixedly connected with the corresponding first pressing plate, a plurality of extrusion rods capable of moving back and forth are arranged between the positioning rods, the extrusion rods respectively and movably penetrate through the corresponding first pressing plate and the second pressing plate, and the extrusion rods are fixedly connected with the second pressing plate.
Still further, be located the squeeze bar both ends all be equipped with the spout that is used for squeeze bar sliding connection on the intercommunication downthehole wall, be located squeeze bar one side be equipped with the extrusion groove with the spout intercommunication in the recovery piece, be equipped with fixed connection's regulating plate in the extrusion groove, regulating plate one side is connected fixedly with corresponding squeeze bar, and the regulating plate opposite side is equipped with a plurality of fixed connection's hydraulic stem, hydraulic stem one end is fixed with extrusion inslot wall connection.
Compared with the prior art, the invention has the following technical effects:
the design of the secondary oxidation sedimentation tank is adopted, the desulfurization solution treated by the neutralization oxidation tank is subjected to secondary oxidation sedimentation, the treatment on the desulfurization solution is further improved, and the desulfurization efficiency of the circulating desulfurization solution is ensured.
Drawings
FIG. 1 is a schematic process flow diagram provided in example 1 of the present invention;
FIG. 2 is a schematic front view of a desulfurizing tower provided in example 2 of the present invention;
fig. 3 is a schematic view of a front view connection structure of a desulfurization net and a smoothing rod provided in embodiment 2 of the present invention;
FIG. 4 is a schematic side view of an adjusting lever and a knocking lever according to embodiment 2 of the present invention;
fig. 5 is a schematic front view of a recycling board according to embodiment 3 of the present invention;
FIG. 6 is a schematic view of a top-view connection structure of an extrusion rod and a positioning rod according to embodiment 3 of the present invention
The reference numbers in the figures illustrate: 1. a desulfurizing tower; 11. a return pipe; 12. an air intake fan; 13. a diversion pipeline; 14. an exhaust port; 15. a pre-spraying mechanism; 21. recovering the blocks; 211. a chute; 212. extruding a groove; 213. an adjusting plate; 214. a hydraulic lever; 22. recovering the plate; 221. a first platen; 222. a second platen; 23. a communicating hole; 24. an extrusion stem; 25. an adsorption layer; 26. positioning a rod; 27. a diversion trench; 31. a desulfurization net; 32. adsorbing the ball; 33. smoothing the rod; 34. flattening the teeth; 35. a desulfurization rod; 351. a drive motor; 36. a transmission rod; 37. Adjusting a rod; 371. an adjustment groove; 372. an adjustment shaft; 38. a knock bar; 41. a circulation pump; 43. a flow guide pipe; 44. a shower pipe; 45. a spray head; 46. a liquid inlet pipe.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, a dual-alkali desulfurization process includes the following steps:
(1) gas to be treated is conveyed into the desulfurizing tower 1 through a flow guide pipeline 13 by an air inlet fan 12, and the desulfurizing liquid in the desulfurizing circulation tank 16 is conveyed into the desulfurizing tower 1 through a flow guide pipe 43 for spray type desulfurizing treatment and discharging;
(2) meanwhile, the liquid treated by the desulfurizing tower 1 flows back to the desulfurizing circulation pool 16 through a return pipe;
(3) the liquid in the desulfurization circulating pool 16 is conveyed to a neutralization oxidation reaction pool 17 through a pipeline for oxidation and precipitation;
(4) supernatant fluid after precipitation in the neutralization oxidation tank 17 is conveyed to a secondary oxidation tank 18 for secondary oxidation and precipitation;
(5) and returning the supernatant in the secondary oxidation sedimentation tank 18 to the desulfurization circulating tank 16 for reuse.
Preferably, a pre-spraying mechanism 15 for spraying is arranged in the diversion pipeline 13, and the spraying liquid of the pre-spraying mechanism 15 is provided by a desulfurization circulating pool 16.
The design of the desulfurization spraying channel 15 enables the gas flow to be treated to be pre-sprayed before entering the desulfurization tower, further improves the contact probability of the desulfurization liquid and the gas, and improves the overall treatment efficiency.
Example 2
The same points as those in example 1 are not repeated, and the difference from example 1 is that:
referring to fig. 2-4, a plurality of desulfurization nets 31 are disposed in the desulfurization tower 1, a plurality of adsorption balls 32 are disposed in the desulfurization net 31 between the upper portion and the lower portion, a rotatable desulfurization rod 35 is disposed in the middle of the desulfurization net 31, a plurality of fixedly connected leveling rods 33 are disposed on the desulfurization rod 35, a plurality of fixedly connected leveling teeth 34 are disposed at the bottom of the leveling rods 33, a plurality of fixedly connected adjusting rods 37 are disposed at the bottom of the desulfurization net 31 at the upper end of the leveling rods 33, a plurality of adjusting grooves 371 are disposed at the bottom of the adjusting rods 37, movably connected adjusting shafts 372 are disposed in the adjusting grooves 371, two ends of the adjusting shafts 372 are connected with two ends of the adjusting grooves 371 through torsion springs (not shown in the figure), a knocking rod 38 for knocking the desulfurization net 31 is disposed at the bottom of the desulfurization net 31 at one side of the adjusting rods 37, one end of the knocking rod 38 is fixedly connected with one side of the adjusting shafts 372, the bottom of the adjusting rod 37 is provided with a transmission rod 36 for driving the adjusting shaft 372 to rotate, the upper end of the transmission rod 36 is fixedly connected with the adjusting shaft 372, and a re-spraying mechanism which is sprayed with desulfurization liquid is arranged in the desulfurization tower 1 above the desulfurization net 31.
Preferably, the smoothing teeth 34 located at the bottom of the different smoothing bars 33 are staggered.
On the basis of the original spray desulfurization, the adsorption balls on the desulfurization net can be blown to move up and down by utilizing the air inlet flow in the desulfurization tower and are in a boiling state, so that the contact area between the adsorption balls and the air flow is effectively increased, the adsorption effect of the adsorption balls on the air flow is improved, the boiling adsorption balls can perform a stirring effect on the passing air flow, the flowing of the air flow is interrupted, the contact probability of impurities in the air flow with the adsorption balls and the desulfurization solution is improved, and the treatment effect is effectively improved;
the design of the flattening rod and the flattening teeth can effectively prevent the adsorption balls from being unevenly distributed due to uneven air inlet, ensure the adsorption effect of the adsorption balls, and meanwhile, the flattening teeth can stir the adsorption balls to a certain degree, effectively prevent the adsorption balls from being hardened due to uneven air inlet, thereby ensuring the overall desulfurization treatment efficiency;
when the desulfurization rod 35 rotates, the desulfurization rod 35 rotates to drive the leveling rod 33 to rotate, so that the leveling rod 33 can level out the unevenly distributed adsorption, meanwhile, the leveling teeth 34 can stir the whole adsorption balls 32, the hardening of the adsorption balls 32 is effectively prevented, meanwhile, when the leveling rod 33 moves to the bottom of the transmission rod 36, the transmission rod 36 is extruded, so that the transmission rod 36 drives the knocking rod 38 to be separated from the bottom of the desulfurization net 31 through the transmission rod 36, when the transmission rod 36 is separated from the leveling rod 33, the knocking rod 38 is instantly restored to the initial position due to the elasticity of a torsion spring (not marked in the figure), the knocking of the knocking rod 38 to the bottom of the desulfurization net 31 is realized, the up-and-down vibration frequency of the adsorption balls at the upper end of the desulfurization net 31 can be effectively improved, the whole stirring effect is improved, meanwhile, the airflow caused by the multilayer desulfurization net 31 can be gradually reduced, and the effect of the up-and-down movement of the adsorption balls at the upper end is not obvious, the knocking of the knocking rod 38 can effectively make up the condition that the movement of the adsorption balls 32 is not obvious due to the reduction of the airflow, and ensure that the whole adsorption balls 32 in the desulfurization net 31 can be effectively boiled, thereby ensuring the whole adsorption efficiency
Preferably, the air inlet mechanism comprises an air inlet fan 12, an air inlet pipe 13 is arranged at the air inlet end of the air inlet fan 12, an exhaust pipe 11 is arranged at the exhaust end of the air inlet fan 12, and the exhaust pipe 11 is connected with an inlet at the bottom of the desulfurizing tower 1.
Preferably, the bottom of the desulfurization rod 35 is connected with the bottom of the desulfurization tower 1, and the bottom of the desulfurization tower 1 is provided with a driving motor 351, and the driving motor 351 drives the desulfurization rod 35 to rotate.
Preferably, the adsorption ball 32 is made of porous material with light weight and good adsorptivity.
Preferably, the re-spraying mechanism comprises a spraying pipe 44 and a circulating pump 41, the spraying pipe 44 is fixedly installed at the upper end of the desulfurization net 31, the circulating pump 41 is arranged on one side of the desulfurization tower 1, a liquid inlet pipe 46 is arranged at the water inlet end of the circulating pump 41, one end of the liquid inlet pipe 46 is communicated with the bottom of the desulfurization tower 1, a drainage pipe 43 is arranged at the water outlet end of the circulating pump 41, the drainage pipe 43 is communicated with the spraying pipe 44, and spray heads 45 which are uniformly distributed are arranged at the bottom of the spraying pipe 44.
Preferably, the vapor recovery mechanism comprises a recovery block 21 and a recovery plate 22, the recovery block 21 is fixedly mounted inside the desulfurization tower 1, a square communication hole 23 is formed in the middle of the recovery block 21, a plurality of recovery plates 22 which are matched and uniformly distributed are arranged in the communication hole 23, and the recovery plates 22 are corrugated.
Preferably, both side walls of the communication hole 23 are respectively matched with the corresponding recovery plates 22.
Example 2
The same points as those in example 2 are not repeated, and the difference from example 2 is that:
referring to fig. 5 to 6, a plurality of steam recovery mechanisms are provided in the desulfurizing tower 1 at the upper end of the re-spraying mechanism.
Further, the recovery plate 22 includes a first pressing plate 221 and a second pressing plate 222 which are the same in size, the outer surfaces of the first pressing plate 221 and the second pressing plate 222 are both provided with a fixedly connected adsorption layer 25, the communication hole 23 is provided with a plurality of fixedly connected positioning rods 26, the positioning rods 26 respectively and movably penetrate through the corresponding first pressing plate 221 and the second pressing plate 222, the positioning rods 26 are respectively and fixedly connected with the corresponding first pressing plate 221, the communication hole 23 between the positioning rods 26 is provided with a plurality of extrusion rods 24 which can move back and forth, the extrusion rods 24 respectively and movably penetrate through the corresponding first pressing plate 221 and the corresponding second pressing plate 222, and the extrusion rods 24 are fixedly connected with the second pressing plate 222.
Furthermore, be located the extrusion pole 24 both ends all be equipped with the spout 211 that is used for extrusion pole 24 sliding connection on the intercommunicating pore 23 inner wall, be located extrusion pole 24 one side be equipped with in the recovery piece 21 with the extrusion groove 212 of spout 211 intercommunication, be equipped with fixed connection's regulating plate 213 in the extrusion groove 212, regulating plate 213 one side is connected fixedly with corresponding extrusion pole 24, and regulating plate 213 opposite side is equipped with a plurality of fixed connection's hydraulic stem 214, hydraulic stem 214 one end is fixed with extrusion groove 212 inner wall connection.
Furthermore, the same side of the bottom of the first pressing plate 221 and the bottom of the second pressing plate 222 are both provided with a diversion trench 27 fixedly connected.
The design of the vapor recovery mechanism utilizes the corrugated first pressing plate 221 and the corrugated second pressing plate 222 to improve the collision probability of the ascending airflow, utilizes the collision to separate vapor particles in the airflow from the gas, and simultaneously, the design of the adsorption layer 25 further improves the adsorption efficiency of the vapor particles in the ascending airflow and further improves the overall separation efficiency; and the design of extrusion pole 24 utilizes extrusion pole 24 to drive second clamp plate 222 reciprocating motion, and with the extrusion of first clamp plate 221 contact, can extrude the adsorbed vapor granule on adsorbed layer 25, make adsorbed moisture, separation that can be timely guarantees the adsorption efficiency of adsorbed layer 25 to the vapor in the exhaust stream.
The design of guiding gutter 27 makes the moisture after the extrusion, can pass through the both sides wall of guiding gutter 27 water conservancy diversion to desulfurizing tower 1, and the effectual moisture that has prevented after the extrusion directly drops and rises the air current contact, makes moisture contact with the air current again, influences holistic separation efficiency.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A dual-alkali desulfurization process is characterized by comprising the following steps:
(1) conveying the gas to be treated into a desulfurizing tower through a diversion pipeline by an air inlet fan, conveying the desulfurizing liquid in a desulfurizing circulating pool into the desulfurizing tower through a pipeline for spray-type desulfurizing treatment and discharging;
(2) meanwhile, liquid treated by the desulfurizing tower flows back to the desulfurizing circulation pool through a return pipe;
(3) the liquid in the desulfurization circulating pool is conveyed to a neutralization oxidation reaction pool through a pipeline for oxidation and precipitation;
(4) supernatant fluid after precipitation in the neutralization oxidation tank is conveyed to a secondary oxidation tank for secondary oxidation and precipitation;
(5) and returning the supernatant in the secondary oxidation sedimentation tank to the desulfurization circulating tank for reutilization.
2. The dual alkali desulfurization process of claim 1, wherein: and a pre-spraying mechanism for spraying is arranged in the diversion pipeline.
3. The dual alkali desulfurization process of claim 1, wherein: the desulfurization tower is internally provided with a plurality of desulfurization nets, a plurality of adsorption balls are arranged in the desulfurization net between the upper part and the lower part, the middle part of the desulfurization net is provided with a rotatable desulfurization rod, the desulfurization rod is provided with a plurality of fixedly connected smoothing rods, the bottoms of the smoothing rods are provided with a plurality of fixedly connected smoothing teeth, the bottoms of the desulfurization nets at the upper ends of the smoothing rods are provided with a plurality of fixedly connected adjusting rods, the bottoms of the adjusting rods are provided with a plurality of adjusting grooves, movably connected adjusting shafts are arranged in the adjusting grooves, the two ends of the adjusting shafts are connected with the two ends of the adjusting grooves through torsion springs, the bottoms of the desulfurization nets at one sides of the adjusting rods are provided with knocking rods for knocking the desulfurization nets, one ends of the knocking rods are fixedly connected with one sides of the adjusting shafts, the bottoms of the adjusting rods are provided with transmission rods for driving the adjusting shafts to rotate, and a re-spraying mechanism sprayed with desulfurization liquid is arranged in the desulfurization tower above the desulfurization net.
4. The dual alkali desulfurization process of claim 3, wherein: the desulfurization rod bottom is connected with the desulfurization tower bottom, and is equipped with driving motor bottom the desulfurization tower, driving motor drives the desulfurization rod and rotates.
5. The dual alkali desulfurization process of claim 3, wherein: the adsorption ball is made of porous materials with light weight and good adsorbability.
CN202011329063.3A 2020-11-24 2020-11-24 Double-alkali desulfurization process Withdrawn CN112588093A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203610031U (en) * 2013-12-19 2014-05-28 武艳丽 Comprehensive dust and sulfur removal equipment for waste gas
CN105817134A (en) * 2015-01-07 2016-08-03 河北衡兴环保设备工程有限公司 Chemical process wet-method desulphurization technology
US20180140991A1 (en) * 2015-07-21 2018-05-24 Huaneng Power International, Inc. High-efficiency gradient hierarchy complex desulfurizing tower
CN110152459A (en) * 2019-05-05 2019-08-23 安庆市鑫富化工有限责任公司 It is a kind of for producing the air filtration drying device of Beta-alanine
CN209900984U (en) * 2019-04-05 2020-01-07 盐城鑫港环保科技有限公司 Activated carbon adsorption steam desorption equipment
CN210037755U (en) * 2019-05-30 2020-02-07 上海石化漕泾机械制造有限公司 Activated carbon adsorption jar adsorption performance detection device
CN111729468A (en) * 2020-06-12 2020-10-02 中船重工(邯郸)派瑞特种气体有限公司 Adsorption tower for preparing high-purity tungsten hexafluoride

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203610031U (en) * 2013-12-19 2014-05-28 武艳丽 Comprehensive dust and sulfur removal equipment for waste gas
CN105817134A (en) * 2015-01-07 2016-08-03 河北衡兴环保设备工程有限公司 Chemical process wet-method desulphurization technology
US20180140991A1 (en) * 2015-07-21 2018-05-24 Huaneng Power International, Inc. High-efficiency gradient hierarchy complex desulfurizing tower
CN209900984U (en) * 2019-04-05 2020-01-07 盐城鑫港环保科技有限公司 Activated carbon adsorption steam desorption equipment
CN110152459A (en) * 2019-05-05 2019-08-23 安庆市鑫富化工有限责任公司 It is a kind of for producing the air filtration drying device of Beta-alanine
CN210037755U (en) * 2019-05-30 2020-02-07 上海石化漕泾机械制造有限公司 Activated carbon adsorption jar adsorption performance detection device
CN111729468A (en) * 2020-06-12 2020-10-02 中船重工(邯郸)派瑞特种气体有限公司 Adsorption tower for preparing high-purity tungsten hexafluoride

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