CN106268320B - Organic amine sulfur removal technology desulfurizing agent retracting device and desulfurizing agent recoverying and utilizing method - Google Patents
Organic amine sulfur removal technology desulfurizing agent retracting device and desulfurizing agent recoverying and utilizing method Download PDFInfo
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- CN106268320B CN106268320B CN201610654726.6A CN201610654726A CN106268320B CN 106268320 B CN106268320 B CN 106268320B CN 201610654726 A CN201610654726 A CN 201610654726A CN 106268320 B CN106268320 B CN 106268320B
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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
- B01D53/96—Regeneration, reactivation or recycling of reactants
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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
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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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
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Abstract
A kind of method for recycling desulfurizing agent the invention discloses organic amine sulfur removal technology desulfurizing agent retracting device and using the device.The present invention is connected to high-gravity rotating bed with accumulator tank, accumulator tank is connected to solution tank, new water provides system and provides new water to be high-gravity rotating bed, another pipeline is used to return to the solution in accumulator tank high-gravity rotating bed, solution tank is connect with desulphurization system, and the outlet of the flue gas obtained after desulphurization system desulfurization is connected to high-gravity rotating bed；High-gravity rotating bed filler is divided into two parts, and upper partial filler is annular packing made of polypropylene material, and lower part filler is stainless steel baffle plate filler, and three leaves fan is also set up between two kinds of fillers.The present invention can high efficiente callback utilize desulfurizing agent, and make the stabilization of desulphurization system desulfurization agent concentration and desulfurization effect, can the larger operating cost for reducing the technique.
Description
Technical field
The present invention relates to the recovery technologies of sintering flue gas organic amine wet desulfurization system desulfurizing agent ingredient, more specifically, this
The embodiment of invention is related to a kind of organic amine sulfur removal technology desulfurizing agent retracting device and desulfurizing agent recoverying and utilizing method.
Background technology
Existing sintering flue gas desulfurization mainly uses Wet Flue Gas Desulfurization Technology, after desulphurization system operation, due to sintering flue gas
It is absorbed through spraying cooling, washing or at 50 DEG C~60 DEG C, the water of flue gas entrainment about 12%~14%, contains after the completion of absorption
There are many desulfurizing agent (absorbent) ingredient, by exhausting section or catches object device and carry out recycling trapping desulfurizing agent (absorbent), but still
There are a large amount of desulfurizing agents to carry secretly with flue gas to escape, measuring and calculating probably has desulfurizing agent loss in 0.8~1.2t/ days, and tower top is caused to have drop
Rain phenomenon.Especially desulfurizing agent is containing being corrosive or the desulphurization system of higher price, such as the ammonia process of desulfurization, organic amine desulfurization,
Entrainment loss accounts for that desulphurization cost is relatively high, and the recycling of desulfurizing agent is the guarantee of desulphurization system normal operation and market competition.At present
It is more that mist device is caught in the market, mainly silk screen, baffle plate and Pall ring filler etc., it is poor to flue gas entrainment trapping effect, be
This, research one kind catches that fog effect is preferable, reduce the device of flue gas moisture content or recycle desulfurizing agent device it is extremely urgent.
Invention content
The present invention overcomes the deficiencies in the prior art, a kind of organic amine sulfur removal technology desulfurizing agent retracting device and desulfurization are provided
Agent recoverying and utilizing method, it is expected that solve the problems, such as that flue gas entrainment loss is serious in existing organic amine sulfur removal technology.
In order to solve the above technical problems, one embodiment of the present invention uses following technical scheme：
A kind of organic amine sulfur removal technology desulfurizing agent retracting device, including high-gravity rotating bed, accumulator tank and solution tank, it is described
Exhanst gas outlet is arranged in high-gravity rotating bed upper surface, lower face setting recovered liquid exports, first kind import is arranged in the middle part of side
With the second class import, third class import is arranged in side lower, and the high-gravity rotating bed recovered liquid outlet is connected to accumulator tank,
The accumulator tank is connected to solution tank and is arranged on its connecting line the first automatic valve, and the first kind import connects new water and carries
For system, the second class import is connected to accumulator tank and is arranged on its connecting line the second automatic valve, the solution tank with
Desulphurization system connects and the solution in solution tank is delivered to desulphurization system by booster pump, is obtained after the desulphurization system desulfurization
The outlet of flue gas be connected to high-gravity rotating bed third class import；It is described high-gravity rotating bed including shell, from shell bottom
A shaft is run through at portion to top, and shaft lower end connects motor, positioned at enclosure and is fixed on the rotor in shaft and is divided into
In lower three parts, upper part rotor is that the annular packing made of polypropylene material is filled in rotor fixing piece and is formed, in
Part rotor is fanned for three leaves, and lower part rotor is to be filled in rotor fixing piece to be formed by stainless steel baffle plate filler.
In above-mentioned organic amine sulfur removal technology desulfurizing agent retracting device, the first kind import connects liquid with the second class import
Distributor, liquid distribution trough are located at the center of the lower part rotor.
In above-mentioned organic amine sulfur removal technology desulfurizing agent retracting device, the new water provides system and includes new water elevator pump, connects
The third automatic valve for connecing the pipeline of new water elevator pump and first kind import and being arranged on the pipeline.
In above-mentioned organic amine sulfur removal technology desulfurizing agent retracting device, the diameter of annular packing made of the polypropylene material
For 1~3cm, be highly 3~5cm, and more baffles are set, flue gas carries desulfurizing agent secretly and moisture is hit inside the annular packing
Onto baffle, interception trapping ability of the annular packing to desulfurizing agent and moisture is improved.
Trilobal cross baffle is respectively set in two ports of the annular packing, and the trilobal cross baffle is that three baffles collect
In the integral structure of some formation, and the angle between adjacent screen is equal, two trilobal cross baffles centrally through one
Center baffle connects；The inside of the annular packing also sets up at least two baffles, and one end fixation straggly of two baffles
In the center baffle, this two baffles are also not parallel with any one baffle of composition trilobal cross baffle.One kind more may be used
Capable structure is three baffles to be arranged in the inside of annular packing, and one end of this three baffles straggly is fixed on the center
On baffle, while each angle of trilobal cross baffle is just divided in the projection of this three baffles equally.
In above-mentioned organic amine sulfur removal technology desulfurizing agent retracting device, the stainless steel baffle plate filler is by 316L stainless steels
It is made, thickness is 1~2mm.Stainless steel baffle plate filler is made of multi-layered thickness of the 316L stainless steel plates of 1~2mm, more
Layer 316L stainless steels baffle plate is vertically placed side by side, is formed from high-gravity rotating bed rotor center to the water of outer casing inner wall drainage trough
Circulation road, and from high-gravity rotating bed bottom to the gas channel of upper part rotor, the liquid of substantially transverse movement with it is big
It causes to bump against in the channel and strike on baffle plate for the gas of vertical motion.
In above-mentioned organic amine sulfur removal technology desulfurizing agent retracting device, it is also provided with storage cistern in the inner bottom surface of the shell,
Drainage trough is arranged in the side of shell, and drainage trough end is located inside storage cistern.
In above-mentioned organic amine sulfur removal technology desulfurizing agent retracting device, it is arranged on the pipeline between accumulator tank and the second class import
Recovered liquid circulating pump, recovered liquid circulating pump is also provided on the pipeline between accumulator tank and solution tank or above-mentioned two pipelines are total
With the same recovered liquid circulating pump.
The present invention also provides organic amine sulfur removal technology desulfurizing agent recoverying and utilizing methods, using above-mentioned apparatus, and include with
Lower step：
(1) startup is high-gravity rotating bed, and the rotating speed for controlling rotor is 700~1000 revs/min, by desulphurization system discharge
Flue gas after desulfurization is high-gravity rotating bed from third class import importing, while starting new water and providing system, keeps the first automatic valve
It is closed with the second automatic valve, to the high-gravity rotating bed interior new water of importing, new water flow is 40~80m3/h；Flue gas is rolled in stainless steel
It is fully washed by new water under the rotational shear force effect of flowing plate filler, the partial desulfurization agent and moisture in flue gas are captured, then
Flue gas enters in annular packing made of polypropylene material, and the remaining desulfurizing agent and moisture in flue gas are further trapped, then
Flue gas is discharged from exhanst gas outlet；
(2) during step (1) carries out, the concentration of the desulfurizing agent of solution in sample detection accumulator tank, when its quality
When concentration >=5%, open the first automatic valve, the solution in accumulator tank imported in solution tank, then repeatedly front the step of；When
When its mass concentration ＜ 5%, closes new water and system and the first automatic valve are provided, open the second automatic valve, it will be molten in accumulator tank
Liquid returns to the high-gravity rotating bed middle new water circularly trapping desulfurizing agent replaced described in step (1) until accumulator tank from the second class import
When the mass concentration of the desulfurizing agent of middle solution >=5%, the second automatic valve is closed, the first automatic valve is opened and new water provides system,
Solution in accumulator tank is imported in solution tank, and introduces the step of new water repeats front.
In above-mentioned organic amine sulfur removal technology desulfurizing agent recoverying and utilizing method, the concentration detection method of organic amine desulfurizer is gas
Phase chromatograph-mass spectrometer coupling measures.
Technical scheme of the present invention is further detailed below.
After desulphurization system operation, high-gravity rotating bed and new water elevator pump is opened, when organic amine absorbing liquid absorbs in flue gas
SO2Afterwards, the moisture and desulfurizing agent of flue gas entrainment about 14% enter high-gravity rotating bed, and new water is distributed to by liquid distribution trough to be turned
In the filler of son, after adjusting 700~1000r/min of rotating speed, new 40~80m of water flow is controlled3/ h is cut in the rotation of baffle plate filler
The lower flue gas of shear force effect is washed thoroughly, and is trapped desulfurizing agent ingredient and is intercepted entrapped moisture, humid flue gas enters top ring-type and fills out
The bed of material, further trapping are atomized droplet and desulfurizing agent ingredient, and flue gas is discharged from top exhanst gas outlet after the completion, containing desulfurizing agent
Aqueous solution enters storage cistern along drainage trough, then the outlet of recovered liquid flows into accumulator tank, sample detection desulfurization agent concentration.When concentration is small
When 5%, opening recovered liquid circulating pump makes the solution in accumulator tank enter revolving bed, this stylish water elevator pump stops, according to new
Water running method carries out circulation and stress desulfurizing agent, until after concentration reaches about 5%, is delivered to solution tank, opens new water pump at this time,
Synchronous conversion, solution are delivered to desulphurization system through booster pump simultaneously, and a small amount of new desulfurizing agent can be also added in the solution, to keep
Desulphurization system desulfurization agent concentration ensures desulfurization effect in maintenance level.It can effectively recovered flue gas be pressed from both sides using this device and method
The desulfurizing agent ingredient of band reduces tower top rainfall, reduces the operating cost of organic amine sulfur removal technology.
Organic amine desulfurizer (including blended absorbents such as hydramine, divinyl three, hydroxyethyl ethylenediamine are captured in the present invention
Agent) it is to be trapped using water droplet collision in soft water and flue gas, belong to liquid-liquid and merges to form big droplet collision and to baffle plate flow down,
Filler is not chemically reacted with gas during trapping, and filler plays dispersion water droplet and the physical action of collision trapping.
Baffle plate filler material uses 316L stainless steels, 1~2mm of thickness quickly to flow down after droplet collision, annular packing resistance
Power is smaller, and using polypropylene material, height 3~5cm, 1~3cm of diameter, large specific surface area and corrosion-resistant can be very good to trap
Droplet.
Compared with prior art, one of beneficial effects of the present invention are：The present invention solves organic amine sulfur removal technology flue gas
The problem of carrying desulfurizing agent loss and tower top rainfall secretly, high efficiente callback utilizes desulfurizing agent, and makes desulphurization system desulfurization agent concentration and take off
The stabilization of sulphur effect, can it is larger reduce the technique operating cost, the present invention mainly pass through physical impacts and trapping recycling desulfurization
Agent, trapping the filler of desulfurizing agent can be used for a long time, and replacement frequency is low, and organic efficiency is high.
Description of the drawings
Fig. 1 shows the overall structure of organic amine sulfur removal technology desulfurizing agent retracting device of the present invention；
Fig. 2 is the high-gravity rotating bed structural schematic diagram of organic amine sulfur removal technology desulfurizing agent retracting device of the present invention；
Fig. 3 is the structural schematic diagram of annular packing made of polypropylene material of the present invention；
Wherein, 1- is high-gravity rotating bed, 2- storage cisterns, 3- third class imports, 4- drainage troughs, 5- first kind imports, and 6- turns
Sub- fixing piece, 7- exhanst gas outlets, 8- shafts, 9- rotors, annular packing made of 10- polypropylene materials, 11- stainless steel baffle plates
Filler, 12- liquid distribution troughs, 13- the second class imports, the outlet of 14- recovered liquids, the new water elevator pumps of 15-, 16- third automatic valves,
17- accumulator tanks, 18- recovered liquid circulating pumps, the second automatic valves of 19-, the first automatic valves of 20-, 21- booster pumps, 22- solution tanks, 23-
Desulphurization system, 24- shells, tri- leaves of 25- fan, 26- baffles, 27- center baffles.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The principle of organic amine sulfur removal technology desulfurizing agent retracting device of the present invention is：Sintering flue gas is through organic amine desulfurizer
After (absorbent) processing, the flue gas of desulfurizing agent is carried secretly through high-gravity rotating bed processing, trapping moisture and recycling desulfurizing agent, recovered liquid
Accumulator tank is concentrated on, the entrainment for trapping flue gas is recycled, is returned when until organic amine desulfurizer concentration reaching 5% in recovered liquid
The doctor solution storage tank (solution tank) of desulphurization system.
As depicted in figs. 1 and 2, organic amine sulfur removal technology desulfurizing agent retracting device includes high-gravity rotating bed 1, accumulator tank 17
With solution tank 22, in the operating condition, the rotor of high-gravity rotating bed inside can be rotated ceaselessly.High-gravity rotating bed 1 it is upper
End face be arranged exhanst gas outlet 7, when desulphurization system discharge flue gas through high-gravity rotating bed trapping recycling desulfurizing agent and moisture after from
Exhanst gas outlet 7 is discharged.High-gravity rotating bed 1 lower face setting recovered liquid exports 14, and the water of filler is sprayed into from liquid distribution trough
Or solution is pooled to the bottom of shell after rotor rotation is thrown out of filler, then from 14 outflow hypergravity rotation of recovered liquid outlet
Rotated bed, into accumulator tank 17.Setting first kind import 5 and the second class import 13, side in the middle part of high-gravity rotating bed 1 side
Third class import 3 is arranged in lower part, and first kind import 5 and the second class import 13 are water inlets, and third class import 3 is air inlet, into
The position of gas port is relatively low, close to high-gravity rotating bed bottom, such gas enter it is high-gravity rotating bed after, can divide rapidly
Enter in filler in cloth to the cavity of filler bottom and from filler bottom.High-gravity rotating bed recovered liquid outlet 14 and accumulator tank
17 connections, accumulator tank 17 are connected to solution tank 22 and are arranged on its connecting line the first automatic valve 20, and first kind import 5 connects
New water provides system, and the second class import 13 is connected to accumulator tank 17 and the second automatic valve 19, solution are arranged on its connecting line
Slot 22 connect with desulphurization system 23 and the solution in solution tank is delivered to desulphurization system, desulphurization system desulfurization by booster pump 21
The outlet of the flue gas obtained afterwards is connected to high-gravity rotating bed third class import 3.High-gravity rotating bed includes shell 24, from outer
A shaft 8 is run through at shell bottom to top, and 8 lower end of shaft connects motor (not shown), positioned at enclosure and is fixed on
Rotor 9 in shaft divides for three parts of upper, middle and lower, and upper part rotor is that the annular packing 10 made of polypropylene material is filled
It is formed in rotor fixing piece 6, middle part rotor is that three leaves fan 25, and lower part rotor is filled by stainless steel baffle plate filler 11
It is formed in rotor fixing piece.The effect of rotor fixing piece 6 is that filler (including baffle plate filler and annular packing) is fixed, is made
It can be rotated with shaft 8, and rotor fixing piece 6 belongs to frame structure, it allows gas to move from bottom to top, also allows liquid
Body is displaced outwardly in the middle part of the rotor, and until gas drains into high-gravity rotating bed outer from the bottom up, and liquid drains into turn from the inside to the outside
It is sub outer.The baffle plate type filler of lower part rotor makes flue gas moisture multiple impact form big drop, regular in upper part rotor
The small filler of ring-shaped plastics can trap the misty desulfurizing agent of fine particle size, further recycle desulfurizing agent and steam, ensure flue gas folder
Ribbon amount is reduced to minimum, reduces tower top rain in chimney.All fillers in rotor are not involved in chemical anti-with the entrainment in flue gas
It answers, but is retained down using small droplet collision in the larger specific surface area of filler and flue gas.Instantly in part rotor
Flue gas when creeping up, by the further shearing shock and acceleration of three leaves fan 25, drop is made more rapidly to strike
In the filler of part rotor, reinforce the trapping dynamics of desulfurizing agent and moisture in flue gas.
It is high-gravity rotating bed that one or more composes in parallel to be vertical, flue gas lower side into, top goes out, ensure flue gas into
Enter it is high-gravity rotating bed after can come into full contact with filler in rotor, be conducive to trapping moisture and desulfurizing agent.
In order to spread out rapidly after so that liquid is entered hypergravity rotating device and evenly dispersed, first kind import 5
Liquid distribution trough 12 is connected with the second class import 13, liquid distribution trough is located at the center of the lower part rotor.Liquid distribution trough
It can be arranged around shaft, water outlet is towards filler.
Above-mentioned new water provide system include new water elevator pump 15, the new water elevator pump of connection and first kind import pipeline and
The third automatic valve 16 being arranged on the pipeline.Soft water is delivered to high-gravity rotating bed third class by new water elevator pump 15 for the first time
After trapping flue gas carries ingredient secretly, using accumulator tank is flowed automatically to, recovered liquid circulating pump is connected below accumulator tank for import (air inlet),
Recovered liquid circulating pump returns to recovered liquid high-gravity rotating bed.
Effect is preferably trapped in order to obtain, a diameter of 1~3cm, the height of annular packing made of the polypropylene material
Degree is 3~5cm, and the stainless steel baffle plate filler is made of 316L stainless steels, and thickness is 1~2mm, inside annular packing
More baffles are set.Fig. 3 shows a kind of structural schematic diagram of annular packing made of polypropylene material of the present invention, annular packing
Two ports be respectively set trilobal cross baffle, trilobal cross baffle is that three baffles 26 come together in the integral structure a little formed,
And the angle between adjacent screen is equal, and two trilobal cross baffles are connected centrally through a center baffle 27；The ring
The inside of shape filler also sets up at least two baffles, and two baffles one end it is straggly be fixed in the center baffle, this
Two baffles are also not parallel with any one baffle of composition trilobal cross baffle.Baffle arrangement inside annular packing helps to carry
Trapping of the high annular packing to residual water vapor in flue gas and desulfurizing agent.
In order to reduce impact force of the liquid flowed out from filler to outer casing bottom, inner bottom surface of the present invention in the shell
It is also provided with storage cistern 2, drainage trough 4 is arranged in the side of shell, and 4 end of drainage trough is located inside storage cistern 2.Water in filler is caught
It is got rid of to outside rotor in high-gravity rotating bed rotor rotation process after desulfurizing agent in collection flue gas, drawing along outer casing inner wall
Chute 4 flows into storage cistern 2,2 hydroful overflow of storage cistern, reduces the impact to outer casing bottom when liquid flows down, overflows
Liquid from recovered liquid outlet 14 flow into accumulator tanks 17.
Recovered liquid circulating pump 18 is set on the pipeline between accumulator tank 17 and the second class import 13, realizes the liquid in accumulator tank
Body circulation traps the desulfurizing agent in flue gas, increases the desulfurization agent content of liquid in accumulator tank, is inserted the liquid into again after content is up to standard
In solution tank, the desulfurizing agent solution as desulphurization system uses；It is also provided with back on pipeline between accumulator tank 17 and solution tank 22
Liquid circulating pump is received, the recovered liquid cycle on the pipeline is just enabled when the desulfurization agent content of the liquid in accumulator tank is up to standard
Pump, the liquid in accumulator tank is introduced into solution tank；Or as shown in Figure 1, above-mentioned two pipelines share the same recovered liquid and follow
Ring pumps, and the flow direction of liquid in accumulator tank is controlled by the first automatic valve 20 and the second automatic valve 19.
In use, the rotating speed that control rotor is 700~1000 revs/min to above-mentioned apparatus.If rotating speed is too low,
The ingredient inferior separating effect carried secretly in flue gas, rotating speed is too high, and can will be entrained into sub-cut in flue gas and be cut to smaller drop, it is difficult to
Recycling.
When above-mentioned apparatus is run for the first time, first passes through new water elevator pump and squeeze into a certain amount of soft water (newly to high-gravity rotating bed
Water), flue gas and soft water at cross-flow by the baffle plate type filler in lower part rotor, control rotor speed is 700~1000 turns/
Minute, flue gas enters the further demisting of upper rotor filler, the aqueous solution containing organic amine desulfurizer of recycling after soft water traps
Flowed out from lower part along rotor case, into accumulator tank, then by the recovered liquid circulating pump of connection squeeze into it is high-gravity rotating bed (can be with
With for the first time into the same mouth of soft water) carry out circulation and stress, internal circulating load control 40~80m3/ h, until organic amine desulfurizer concentration in circulation fluid
Reach 5% (desulfurization agent concentration is measured using gas chromatography-mass spectrography), be discharged into the solution storage trough of desulphurization system, while mending new
Soft water enters, and effective recycling of desulfurizing agent ensure that the balance of desulphurization system desulfurization agent concentration, and then ensure desulfurization effect, also subtract
Lack tower top rainfall, saves desulfurization operation cost.
Utilize the specific embodiment of above-mentioned apparatus
It is high to climb steel sintering flue gas sulfur content, complicated component, select a kind of strong applicability, recyclable Sulphur ressource sulfur removal technology
It is less, for this purpose, use the amine process circulation desulfurization technology of independent research, not only applicable existing sintering flue gas, and also it is every
Year can produce more than 20000 tons of sulfuric acid, have preferable application prospect, meet current Green Development theory.But this process operation mistake
Cheng Zhong, after sintering flue gas desulfurization, the water of flue gas entrainment about 12%~14%, containing there are many desulfurizing agent ingredient, surveys
Calculate probably has the desulfurizing agent of 0.8~1.2t to lose daily, and tower top is caused to have rainfall phenomenon, is currently to be arranged using recycling demisting
It applies, only 20%~30% recovering effect.Using device and method of the present invention, strengthen the biography between flue gas and solution
Matter effect can effectively trap the desulfurizing agent ingredient in flue gas, according to available data analysis and test simulation, the baffling of lower part rotor
Flue gas can reach 80%~85% with adsorption from aqueous solution effect in gasket packing, using cyclic annular modeling regular in upper part rotor
Expect small filler demisting, further decreases flue gas entrainment, it is contemplated that recyclable 85%~90% desulfurizing agent ingredient, i.e. 0.7~1.0t/
It, loss daily is 0.1~0.2t, saves desulfurizing agent cost 15% or so, and reduce rain in chimney, stabilizes desulphurization system
Normal operation, while greatly solving the environmental protection pressure brought because desulfurization operation is of high cost.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, however, it is to be understood that ability
Field technique personnel can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in the application public affairs
Within the scope and spirit opened.It more specifically, can be to the group of theme combination layout in range disclosed in the present application
A variety of variations and modifications are carried out at component and/or layout.In addition to variations and improvements to the component parts and or layout,
To those skilled in the art, other purposes also will be apparent.
Claims (10)
1. a kind of organic amine sulfur removal technology desulfurizing agent retracting device, including high-gravity rotating bed (1), accumulator tank (17) and solution tank
(22), the high-gravity rotating bed upper surface setting exhanst gas outlet (7), lower face setting recovered liquid export in (14), side
First kind import (5) and the second class import (13) is arranged in portion, and third class import (3), the hypergravity rotation is arranged in side lower
The recovered liquid outlet (14) of bed is connected to accumulator tank (17), and the accumulator tank (17) is connected to solution tank (22) and in its connecting tube
Road the first automatic valve of setting (20), it is characterised in that the first kind import (5) connects new water and provides system, second class
Import (13) is connected to accumulator tank (17) and is arranged on its connecting line the second automatic valve (19), the solution tank (22) with it is de-
Sulphur system (23) connects and the solution in solution tank is delivered to desulphurization system, the desulphurization system desulfurization by booster pump (21)
The outlet of the flue gas obtained afterwards is connected to high-gravity rotating bed third class import (3)；It is described high-gravity rotating bed including shell
(24), from outer casing bottom to top run through a shaft (8), shaft lower end connect motor, positioned at enclosure and be fixed on turn
Rotor (9) on axis is divided into three parts of upper, middle and lower, and upper part rotor is that the annular packing made of polypropylene material (10) is filled out
It fills and is formed in rotor fixing piece (6), middle part rotor is that three leaves fan (25), and lower part rotor is by stainless steel baffle plate filler
(11) it is filled in rotor fixing piece and is formed.
2. organic amine sulfur removal technology desulfurizing agent retracting device according to claim 1, it is characterised in that the first kind into
Mouth (5) and the second class import (13) connection liquid distribution trough (12), liquid distribution trough are located at the center of the lower part rotor.
3. organic amine sulfur removal technology desulfurizing agent retracting device according to claim 1, it is characterised in that the new water provides
System include new water elevator pump (15), the new water elevator pump of connection and first kind import pipeline and be arranged on the pipeline the
Three automatic valves (16).
4. organic amine sulfur removal technology desulfurizing agent retracting device according to claim 1, it is characterised in that the polypropylene material
A diameter of 1~3cm of annular packing made of matter, highly it is 3~5cm, and more baffles is set inside the annular packing.
5. organic amine sulfur removal technology desulfurizing agent retracting device according to claim 4, it is characterised in that the annular packing
Two ports be respectively set trilobal cross baffle, the trilobal cross baffle is that three baffles come together in the one knot a little formed
Structure, and the angle between adjacent screen is equal, two trilobal cross baffles are connected centrally through a center baffle；The ring
The inside of shape filler also sets up at least two baffles, and two baffles one end it is straggly be fixed in the center baffle, this
Two baffles are also not parallel with any one baffle of composition trilobal cross baffle.
6. organic amine sulfur removal technology desulfurizing agent retracting device according to claim 1, it is characterised in that the stainless steel folding
Flowing plate filler is made of 316L stainless steels, and thickness is 1~2mm.
7. organic amine sulfur removal technology desulfurizing agent retracting device according to claim 1, it is characterised in that in the shell
Inner bottom surface is also provided with storage cistern (2), and the side setting drainage trough (4) of shell, drainage trough end is located inside storage cistern.
8. organic amine sulfur removal technology desulfurizing agent retracting device according to claim 1, it is characterised in that the accumulator tank with
Recovered liquid circulating pump (18) is set on the pipeline between the second class import, is also provided with back on the pipeline between accumulator tank and solution tank
It receives liquid circulating pump or above-mentioned two pipelines shares the same recovered liquid circulating pump.
9. a kind of organic amine sulfur removal technology desulfurizing agent recoverying and utilizing method, it is characterised in that use claim 1~8 any one
The device, and include the following steps：
(1) startup is high-gravity rotating bed, and the rotating speed for controlling rotor is 700~1000 revs/min, the desulfurization that desulphurization system is discharged
Flue gas afterwards imports high-gravity rotating bed from third class import, while starting new water and providing system, keeps the first automatic valve and the
Two automatic valves are closed, and to the high-gravity rotating bed interior new water of importing, new water flow is 40~80m3/h；Flue gas is in stainless steel baffle plate
It is fully washed by new water under the rotational shear force effect of filler, the partial desulfurization agent and moisture in flue gas are captured, then flue gas
Into in annular packing made of polypropylene material, remaining desulfurizing agent and moisture in flue gas are further trapped, then flue gas
It is discharged from exhanst gas outlet；
(2) during step (1) carries out, the concentration of the desulfurizing agent of solution in sample detection accumulator tank, when its mass concentration
When >=5%, open the first automatic valve, by accumulator tank solution import solution tank in, then repeatedly front the step of；When its matter
When measuring concentration ＜ 5%, close new water and system and the first automatic valve be provided, open the second automatic valve, by the solution in accumulator tank from
Second class import returns to the high-gravity rotating bed middle new water circularly trapping desulfurizing agent replaced described in step (1) until molten in accumulator tank
When the mass concentration of the desulfurizing agent of liquid >=5%, the second automatic valve is closed, the first automatic valve is opened and new water provides system, will return
The solution received in slot imports in solution tank, and introduces the step of new water repeats front.
10. organic amine sulfur removal technology desulfurizing agent recoverying and utilizing method according to claim 9, it is characterised in that organic amine is de-
The concentration detection method of sulphur agent measures for gas chromatography-mass spectrography.
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| CN107983134A (en) * | 2018-01-30 | 2018-05-04 | 重庆坤泉环境工程有限公司 | Gas purification tower and exhaust gas purification equipment |
| TWI662988B (en) * | 2018-07-17 | 2019-06-21 | 超重力有限公司 | Counter-current type liquid mist removing hypergravity device |
| CN108889108A (en) * | 2018-08-07 | 2018-11-27 | 浙江新创兴科技有限公司 | High gravity desulfurization system |
| CN112742183A (en) * | 2021-01-04 | 2021-05-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Flue gas desulfurization absorption system and process thereof |
| CN112774421A (en) * | 2021-01-04 | 2021-05-11 | 攀钢集团攀枝花钢铁研究院有限公司 | Wet flue gas desulfurization and denitrification system and process |
| CN112742178A (en) * | 2021-01-04 | 2021-05-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Flue gas desulfurization and SCR denitration combined system and flue gas treatment process |
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| CN103394210A (en) * | 2013-08-12 | 2013-11-20 | 北京化工大学 | Supergravity device for reduced pressure distillation and application method |
| CN104492210A (en) * | 2014-11-22 | 2015-04-08 | 中北大学 | Flue gas desulfurization and dust removal technology and integrated apparatus applicable to ship |
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| CN101745245B (en) * | 2010-02-05 | 2012-05-23 | 北京化工大学 | Multi-level countercurrent rotating bed reaction and rectification device and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394210A (en) * | 2013-08-12 | 2013-11-20 | 北京化工大学 | Supergravity device for reduced pressure distillation and application method |
| CN104492210A (en) * | 2014-11-22 | 2015-04-08 | 中北大学 | Flue gas desulfurization and dust removal technology and integrated apparatus applicable to ship |
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