CN106268192A - Sulfurous gas desulfurizer - Google Patents
Sulfurous gas desulfurizer Download PDFInfo
- Publication number
- CN106268192A CN106268192A CN201610833708.4A CN201610833708A CN106268192A CN 106268192 A CN106268192 A CN 106268192A CN 201610833708 A CN201610833708 A CN 201610833708A CN 106268192 A CN106268192 A CN 106268192A
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- China
- Prior art keywords
- sulfur
- outlet
- desulfurizing tower
- regeneration tank
- entrance
- Prior art date
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Classifications
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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
- B01D53/14—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 by absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- 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
- B01D53/14—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 by absorption
- B01D53/1418—Recovery of products
-
- 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
- B01D53/14—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 by absorption
- B01D53/1456—Removing acid components
- B01D53/1468—Removing hydrogen sulfide
-
- 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
Abstract
The invention provides a kind of sulfurous gas desulfurizer.This device includes desulfurizing tower, regeneration tank and injection apparatus, and injection apparatus is arranged between regeneration tank and desulfurizing tower, carries out Regeneration Treatment in order to sulfur removing pregnant solution to be passed through regeneration tank；Wherein, injection apparatus includes: housing, and housing has inner chamber；Ejection section, ejection section arranges in the lumen and along injection direction, inner chamber is divided into admission chamber and hybrid chamber, and admission chamber is connected with hybrid chamber by ejection section, and surrounds admission space between ejection section and housing, and admission space connects with hybrid chamber；And air intake structure, air intake structure is arranged on housing and connects with admission space.Utilizing the desulfurizer in the present invention to regenerate doctor solution, thus have developed multiple desulfurization treatment process, desulfuration efficiency is higher, and energy consumption is relatively low.
Description
Technical field
The present invention relates to chemical technology field, in particular to a kind of sulfurous gas desulfurizer.
Background technology
When producing low-sulfur Jiao, the sulfur content in coke is relatively low, thus the hydrogen sulfide content in coke-stove gas is the highest, existing
Some sulfurous gas desulfurizers are preferable for the desulfuration operations effect of coke-stove gas.
But, when the Behavior of High-sulfur Petroleum Coke that production sulfur content is higher, the hydrogen sulfide content in coke-stove gas is traditional coke oven coal gas
In more than four times of hydrogen sulfide content, existing sulfurous gas desulfurizer cannot process the highest stink damp at all
Body, thus present environmental requirement cannot be met.
Summary of the invention
Present invention is primarily targeted at a kind of sulfurous gas desulfurizer of offer, to solve sour gas of the prior art
The desulphurization problem of the high hydrogen sulfide gas that body desulfurizer desulfuration efficiency is low or prior art does not processes.
To achieve these goals, the invention provides a kind of sulfurous gas desulfurizer, comprising: desulfurizing tower, desulfurization
Desulfurization lean solution entrance it is provided with on tower；Regeneration tank, regeneration tank is connected with desulfurizing tower, in order to the sulfur removing pregnant solution producing desulfurizing tower
Carry out in Regeneration Treatment, and regeneration tank, being provided with sulfur foam outlet and the outlet of desulfurization lean solution, the outlet of desulfurization lean solution and desulfurization lean solution
Entrance is connected；And injection apparatus, injection apparatus is arranged between regeneration tank and desulfurizing tower, in order to be passed through by sulfur removing pregnant solution again
Raw groove carries out Regeneration Treatment；Wherein, injection apparatus includes: housing, and housing has inner chamber；Ejection section, ejection section is arranged on inner chamber
In and along injection direction, inner chamber is divided into admission chamber and hybrid chamber, admission chamber is connected with hybrid chamber by ejection section, and sprays
Surrounding admission space between portion and housing, admission space connects with hybrid chamber；And air intake structure, air intake structure is arranged on housing
Above and connect with admission space.
Further, regeneration tank is one, desulfurizing tower have on cavity, and desulfurizing tower be provided with sulfur removing pregnant solution outlet, then
Raw groove is arranged on the top of desulfurizing tower and connects with cavity, and be provided with the first sulfur removing pregnant solution entrance on regeneration tank, sulfur foam goes out
Mouth and desulfurization lean solution export, and the first sulfur removing pregnant solution entrance is connected with sulfur removing pregnant solution outlet, and injection apparatus is arranged on first and takes off
On pipeline between sulfur rich solution entrance and sulfur removing pregnant solution outlet.
Further, regeneration tank is one, and desulfurizing tower is provided with sulfur removing pregnant solution outlet, and regeneration tank is arranged on desulfurizing tower
Outside, regeneration tank is provided with the second sulfur removing pregnant solution entrance, the outlet of desulfurization lean solution and sulfur foam outlet, the second sulfur removing pregnant solution entrance
It is connected with sulfur removing pregnant solution outlet, and injection apparatus is arranged on pipeline between the second sulfur removing pregnant solution entrance and sulfur removing pregnant solution outlet
On.
Further, regeneration tank is two, and desulfurizing tower has cavity, and one of them regeneration tank is arranged on the top of desulfurizing tower
And connect with cavity, and it is provided with the first inlet and the outlet of desulfurization lean solution；Another regeneration tank is arranged on desulfurizing tower
Bottom also connects with cavity, is provided with the first liquid outlet, the first liquid outlet and the first inlet and is connected, and two regeneration
Sulfur foam outlet it is provided with on groove；At least one injection apparatus is arranged on the pipeline between the first inlet and the first liquid outlet
On, and at least one injection apparatus be arranged in series between the regeneration tank at the bottom of cavity and tower in order to at the bottom of tower regeneration tank spray
Sulfur removing pregnant solution.
Further, regeneration tank is two, and desulfurizing tower has cavity, and one of them regeneration tank is arranged on the top of desulfurizing tower
And connect with cavity, and it is provided with the second inlet and the outlet of desulfurization lean solution；Another regeneration tank is arranged on desulfurizing tower
Outside, is provided with the 3rd sulfur removing pregnant solution entrance and the second liquid outlet, and desulfurizing tower is provided with sulfur removing pregnant solution outlet, and the 3rd takes off
Sulfur rich solution entrance is connected with sulfur removing pregnant solution outlet, and the second liquid outlet and the second inlet are connected, and on two regeneration tanks all
It is provided with sulfur foam outlet；At least one injection apparatus is arranged on the pipeline between the second inlet and the second liquid outlet, and
And at least one injection apparatus is arranged on the pipeline between the 3rd sulfur removing pregnant solution entrance and sulfur removing pregnant solution outlet.
Further, ejection section includes: the first dividing plate；Second partition, is arranged with the first baffle interval, the first dividing plate and the
Admission space is formed between two dividing plates；Playpipe, being at least partially disposed between the first dividing plate and second partition of playpipe,
Admission chamber is connected with hybrid chamber by playpipe.
Further, desulfurizer also includes Roots blower, and Roots blower is connected with air intake structure.
Further, desulfurizer also includes exhaust scrubber, and exhaust scrubber is connected with regeneration tank.
Further, desulfurizer also includes: liquid back pipe, and the outlet of desulfurization lean solution is with desulfurization lean solution entrance by liquid back pipe even
Logical；Injector head, injector head is arranged on one end of the close desulfurization lean solution entrance of liquid back pipe.
Further, desulfurizing tower being provided with sulfurous gas entrance, desulfurizer also includes liquid distribution trough, liquid distribution
Device is arranged in desulfurizing tower, and liquid distribution trough is positioned at the top of sulfurous gas entrance.
Further, desulfurizer also includes that sulfur foam treatment device, sulfur foam treatment device are connected with sulfur foam outlet
Logical；Sulfur foam treatment device includes: sulfur melting kettle, and sulfur melting kettle is provided with sulfur cream entrance；Filter centrifugal, filter centrifugal sets
Being equipped with sulfur foam inlet and the outlet of sulfur cream, sulfur foam inlet is connected with sulfur foam outlet, and sulfur cream exports and sulfur cream entrance phase
Connection；And pneumatic diaphragm pump, pneumatic diaphragm pump is arranged on the pipeline between the outlet of sulfur cream and sulfur cream entrance.
The above-mentioned sulfurous gas desulfurizer that the present invention provides, the sulfur removing pregnant solution that desulfurizing tower can be produced by regeneration tank
Carrying out Regeneration Treatment, the desulfurization lean solution produced in regenerative process re-circulates to carry out in desulfurizing tower the desulfurization of next round, and produces
Raw sulfur foam then utilizes sulfur foam treatment device to process, and forms sulfur product.
It should be noted that in inventive desulfurization device, utilization is connected on injection apparatus between regeneration tank and desulfurizing tower will
Sulfur removing pregnant solution sprays in regeneration tank and regenerates, owing to inner chamber in the lumen and is divided into separately by ejection section along injection direction
Admission chamber and hybrid chamber, admission chamber is connected with hybrid chamber by ejection section, and surrounds admission space between ejection section and housing, enters
Headroom connects with hybrid chamber；Air intake structure is arranged on housing and connects with admission space.So, sulfur removing pregnant solution enters feed liquor
Chamber the sulfur removing pregnant solution pressure in make admission chamber in admission chamber inner accumulated raise, and sulfur removing pregnant solution is directly arrived by ejection section afterwards
Reach and spray at hybrid chamber, it is to avoid provide the highest expulsion pressure for sulfur removing pregnant solution, significantly reduce desulfurizer
Operating power consumption.And air is arrived by admission space and carries out spraying and being fully contacted reaction with sulfur removing pregnant solution, favorably at hybrid chamber
In the regeneration effect of raising sulfur removing pregnant solution further, thus improve the desulfurized effect of desulfurizer further.In a word, this is utilized
Doctor solution is regenerated by the desulfurizer in bright, thus have developed multiple desulfurization treatment process, and desulfuration efficiency is higher, and energy
Consume relatively low.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the sulfurous gas desulfurizer of a kind of alternative embodiment according to the present invention；
Fig. 2 shows the structural representation of the sulfurous gas desulfurizer of the another kind of alternative embodiment according to the present invention；
Fig. 3 shows the structural representation of the sulfurous gas desulfurizer of another alternative embodiment according to the present invention；
Fig. 4 shows the structural representation of the sulfurous gas desulfurizer of another alternative embodiment according to the present invention；
And
Fig. 5 shows the structural representation of injection apparatus in the sulfurous gas desulfurizer according to the present invention.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, desulfurizing tower；11, cavity；12, liquid back pipe；13, injector head；14, liquid distribution trough；20, regeneration tank；30, sulfur bubble
Foam processing means；31, sulfur melting kettle；32, filter centrifugal；33, pneumatic diaphragm pump；34, foam tank；35, foam pump；36, sulfur cream
Groove；40, solution circulation pump；50, heat exchanger；60, injection apparatus；61, housing；62, ejection section；611, admission chamber；612, mixing
Chamber；621, admission space；63, air intake structure；622, the first dividing plate；623, second partition；624, playpipe；64, liquid distribution plate；
613, jet segment；614, necking segment；615, extension diameter section；70, Roots blower；80, exhaust scrubber；90, catalyst supply tank；
100, lye dissolving tank.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Below
Description only actually at least one exemplary embodiment is illustrative, and never conduct to the present invention and application thereof or makes
Any restriction.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of protection of the invention.
It should be noted that term used herein above merely to describe detailed description of the invention, and be not intended to restricted root
Illustrative embodiments according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when using term " to comprise " in this manual and/or " bag
Include " time, it indicates existing characteristics, step, operation, device, assembly and/or combinations thereof.
Unless specifically stated otherwise, the parts illustrated the most in these embodiments and the table positioned opposite, digital of step
Reach formula and numerical value does not limits the scope of the invention.Simultaneously, it should be appreciated that for the ease of describing, each portion shown in accompanying drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, described technology, method and apparatus should be considered to authorize explanation
A part for book.It is shown here that any occurrence should be construed as merely exemplary with in all examples discussed, and
Not by way of limitation.Therefore, other example of exemplary embodiment can have different values.It should also be noted that similar label
In following accompanying drawing, represent similar terms with letter, therefore, the most a certain Xiang Yi accompanying drawing is defined, then attached subsequently
Figure need not it is further discussed.
In describing the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " horizontal, vertical,
Vertically, level " and the indicated orientation such as " top, the end " or position relationship be normally based on orientation shown in the drawings or position and close
System, is for only for ease of the description present invention and simplifies description, and in the case of illustrating on the contrary, these nouns of locality do not indicate that
Must have specific orientation or with specific azimuth configuration and operation with device or the element of hint indication, therefore can not manage
Solve as limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each parts itself.
For the ease of describing, space relative terms here can be used, as " ... on ", " ... top ",
" at ... upper surface ", " above " etc., be used for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms is intended to comprise except the described in the drawings orientation of device
Outside different azimuth in use or operation.Such as, if the device in accompanying drawing is squeezed, then it is described as " at other devices
Part or structure above " or " other devices or structure on " device after will be positioned as " other devices or construct under
Side " or " under other devices or structure ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.This device can also other different modes location (90-degree rotation or be in other orientation), and
And space used herein above described relatively make respective explanations.
Furthermore, it is necessary to explanation, the word such as " first ", " second " is used to limit parts, it is only for be easy to
Distinguishing corresponding parts, as not having Stated otherwise, above-mentioned word does not has particular meaning, therefore it is not intended that to this
The restriction of invention protection domain.
As described by background section, it is low to there is desulfuration efficiency in sulfurous gas desulfurizer of the prior art
Problem.In order to solve this problem, the invention provides a kind of sulfurous gas desulfurizer, as shown in Fig. 1,2,3 and 4, this takes off
Sulfur device includes desulfurizing tower 10, regeneration tank 20 and injection apparatus 60；Desulfurization lean solution entrance it is provided with on desulfurizing tower 10；Regeneration tank
20 are connected with desulfurizing tower 10, and the sulfur removing pregnant solution in order to produce desulfurizing tower 10 carries out arranging in Regeneration Treatment, and regeneration tank 20
Having sulfur foam outlet and the outlet of desulfurization lean solution, the outlet of desulfurization lean solution is connected with desulfurization lean solution entrance；Injection apparatus 60 series connection sets
Put between regeneration tank 20 and desulfurizing tower 10, carry out Regeneration Treatment in order to sulfur removing pregnant solution to be passed through regeneration tank 20；Wherein, injection dress
Putting 60 and include housing 61, ejection section 62 and air intake structure 63, housing 61 has inner chamber；Ejection section 62 is arranged in the lumen and along spray
Penetrating direction and inner chamber is divided into admission chamber 611 separately and hybrid chamber 612, admission chamber 611 is by ejection section 62 and hybrid chamber 612
Connection, and between ejection section 62 and housing 61, surround admission space 621, admission space 621 connects with hybrid chamber 612；Air inlet is tied
Structure 63 is arranged on housing 61 and connects with admission space 621.
The above-mentioned sulfurous gas desulfurizer that the present invention provides, the desulfurization that desulfurizing tower 10 can be produced by regeneration tank 20
Rich solution carries out Regeneration Treatment, and the desulfurization lean solution produced in regenerative process re-circulates to carry out the de-of next round in desulfurizing tower 10
Sulfur, the sulfur foam produced then utilizes sulfur foam treatment device 30 to process, and forms sulfur product.
It should be noted that in inventive desulfurization device, utilize and be connected between regeneration tank 20 and desulfurizing tower 10 injection dress
Put 60 to be sprayed in regeneration tank 20 by sulfur removing pregnant solution and regenerate, owing to inner chamber in the lumen and is divided along injection direction by ejection section 62
For admission chamber 611 separately and hybrid chamber 612, admission chamber 611 is connected with hybrid chamber 612 by ejection section 62, and ejection section
Surrounding admission space 621 between 62 and housing 61, admission space 621 connects with hybrid chamber 612；Air intake structure 63 is arranged on housing
Connect on 61 and with admission space 621.So, sulfur removing pregnant solution enters admission chamber 611 and makes feed liquor in admission chamber 611 inner accumulated
Sulfur removing pregnant solution pressure in chamber 611 raises, and sulfur removing pregnant solution is directly arrived at hybrid chamber 612 by ejection section 62 and sprays afterwards
Penetrate, it is to avoid provide the highest expulsion pressure for sulfur removing pregnant solution, significantly reduce the operating power consumption of desulfurizer.And air leads to
Cross admission space 621 to arrive and carry out at hybrid chamber 612 spraying and being fully contacted reaction with sulfur removing pregnant solution, be conducive to improving further
The regeneration effect of sulfur removing pregnant solution, thus improve the desulfurized effect of desulfurizer further.In a word, the desulfurization in the present invention is utilized to fill
Putting and regenerate doctor solution, thus have developed multiple desulfurization treatment process, desulfuration efficiency is higher, and energy consumption is relatively low.
It should be noted that the injection apparatus of the present invention is operationally, the pressure in admission chamber 611 more than or equal to 0MPa and
Less than or equal to 0.03MPa, the desulfurizer using the present invention can be to the concentration of hydrogen sulfide more than or equal to 0g/m3And be less than or equal to
30g/m3The sulfurous gas of (standard cube) carries out effective desulfurization.
In above-mentioned desulfurizer provided by the present invention, as long as using above-mentioned injection apparatus 60, it becomes possible to significantly improve de-
The regeneration effect of sulfur rich solution, thus significantly improve the desulfurized effect of sulfurous gas.The number of concrete regeneration tank 20 and the side of setting
Formula can be adjusted:
In a kind of preferred embodiment, as it is shown in figure 1, regeneration tank 20 is one, desulfurizing tower 10 has cavity 11, and de-
Being provided with sulfur removing pregnant solution outlet on sulfur tower 10, regeneration tank 20 is arranged on the top of desulfurizing tower 10 and connects with cavity 11, and regeneration
The first sulfur removing pregnant solution entrance, sulfur foam outlet and the outlet of desulfurization lean solution, the first sulfur removing pregnant solution entrance and desulfurization it is provided with on groove 20
Rich solution outlet is connected, and injection apparatus 60 is arranged on the pipeline between the first sulfur removing pregnant solution entrance and sulfur removing pregnant solution outlet.
Now regeneration tank 20 is arranged the top of desulfurizing tower 10, and makes it connect with cavity 11, reached the effect of regenerative sulfur binding integration
Really.Utilize above-mentioned injection apparatus 60, it is possible to be effectively improved desulfuration efficiency, and reduce energy consumption simultaneously.
In a kind of preferred embodiment, as in figure 2 it is shown, regeneration tank 20 is one, desulfurizing tower 10 is provided with desulfurization rich
Liquid exports, and regeneration tank 20 is arranged on the outside of desulfurizing tower 10, and regeneration tank 20 is provided with the second sulfur removing pregnant solution entrance, desulfurization lean solution
Outlet and sulfur foam outlet, the second sulfur removing pregnant solution entrance is connected with sulfur removing pregnant solution outlet, and injection apparatus 60 is arranged on second
Between sulfur removing pregnant solution entrance and sulfur removing pregnant solution outlet on pipeline.Now regeneration tank 20 and desulfurizing tower 10 are for arrange independently of each other,
Therebetween it is connected by pipeline, to complete regeneration and the circulation desulfurization of sulfur removing pregnant solution.Owing to utilizing above-mentioned injection apparatus 60,
This desulfurizer has higher desulfurized effect equally, and the sulfur removing pregnant solution got off from desulfurizing tower 10 can directly flow automatically as again
Carrying out Regeneration Treatment in raw groove 20, therefore energy consumption is relatively low.
In a kind of preferred embodiment, as it is shown on figure 3, regeneration tank 20 is two, desulfurizing tower 10 has cavity 11, wherein
One regeneration tank 20 is arranged on the top of desulfurizing tower 10 and connects with cavity 11, and is provided with the first inlet and desulfurization is lean
Liquid exports；Another regeneration tank 20 is arranged on the bottom of desulfurizing tower 10 and connects with cavity 11, is provided with the first liquid outlet,
First liquid outlet and the first inlet are connected, and are provided with sulfur foam outlet on two regeneration tanks 20；At least one injection
Device 60 is arranged on the pipeline between the first inlet and the first liquid outlet, and at least one injection apparatus 60 is arranged in series
In order to the regeneration tank 20 injection desulfurization rich solution at the bottom of tower between the regeneration tank 20 at the bottom of cavity 11 and tower.
In desulfurizer shown in Fig. 3, use two-stage regenerative sulfur binding integrated tower, specifically, simultaneously at desulfurizing tower
The top of 10 and bottom arrange two regeneration tanks 20, and two regeneration tanks 20 all connect with cavity 11.During practical sulphur removal, de-
The sulfur removing pregnant solution that sulfur tower produces is introduced into the regeneration tank 20 at the bottom of tower and carries out one-level regeneration, then goes out liquid by the first inlet and first
Mouth enters the regeneration tank 20 of tower top and carries out secondary regenerator, and formation desulfurization lean solution further flows into desulfurizing tower 10 and carries out following of next round
Ring.
Such two-stage regeneration technology can make the sulfur in sulfur removing pregnant solution deviate from the form of simple substance, so that regeneration is de-
Sulfur agent can be fully contacted with the sulfurous gas of rising in cavity 11 after spraying in the cavity 11 of desulfurizing tower 10 again, thus has
Removing the hydrogen sulfide in sulfurous gas to effect, the desulfurizing agent making regeneration be formed has good desulfurized effect such that it is able to further
Improve the desulfuration efficiency of sulfurous gas desulfurizer, meet environmental requirement.
Moreover, the set-up mode of above-mentioned two-stage regenerative sulfur binding integrated tower, reach the effect that device is integrated,
This effectively reduces the volume of sulfurous gas desulfurizer, reduce the floor space of sulfurous gas desulfurizer, make this
Bright desulfurizer has the highest practicality and economy.
In a kind of preferred embodiment, regeneration tank 20 is two as shown in Figure 4, and desulfurizing tower 10 has cavity 11, wherein
One regeneration tank 20 is arranged on the top of desulfurizing tower 10 and connects with cavity 11, and is provided with the second inlet and desulfurization is lean
Liquid exports；Another regeneration tank 20 is arranged on the outside of desulfurizing tower 10, is provided with the 3rd sulfur removing pregnant solution entrance and second and goes out
Liquid mouth, desulfurizing tower 10 is provided with sulfur removing pregnant solution outlet, and the 3rd sulfur removing pregnant solution entrance is connected with sulfur removing pregnant solution outlet, and second goes out
Liquid mouth and the second inlet are connected, and are provided with sulfur foam outlet on two regeneration tanks 20；At least one injection apparatus 60
It is arranged on the pipeline between the second inlet and the second liquid outlet, and at least one injection apparatus 60 is arranged on the 3rd desulfurization
On pipeline between rich solution entrance and sulfur removing pregnant solution outlet.Desulfurizer is now provided with one-level regenerative sulfur binding integrated tower, and
It is additionally arranged the regeneration tank 20 of an outside.Two-stage regeneration can improve the desulfurized effect of desulfurizing tower equally further, and one-level is again
Raw desulfurating tower also relatively reduces the area of device, improves and the practicality of device.
In a kind of preferred embodiment, as it is shown in figure 5, ejection section 62 includes the first dividing plate 622, second partition 623 and
Playpipe 624；Second partition 623 and the first dividing plate 622 interval arrange, formed between the first dividing plate 622 and second partition 623 into
Headroom 621；Being at least partially disposed between the first dividing plate 622 and second partition 623 of playpipe 624, admission chamber 611 leads to
Overspray pipe 624 connects with hybrid chamber 612.So, the first dividing plate 622 by admission chamber 611 and admission space 621 stably every
From, it is to avoid affect the effect of the spraying operation of injection apparatus in the air in admission space 621 enters into admission chamber 611.
Alternatively, the first end of playpipe 624 is arranged on the first dividing plate 622 or by the first dividing plate 622 to admission chamber 611
Inside stretching out, second partition 623 offers the first through hole, the second end of playpipe 624 is ejection end, and the of playpipe 624
Two ends and the first through hole connect or are stretched out in hybrid chamber 612 by the first through hole.
Specifically, the first dividing plate 622 offers inlet opening, when the first end of playpipe 624 is arranged on the first dividing plate
Time on 622, the first end of playpipe 624 connects with inlet opening, and sulfur removing pregnant solution enters directly into playpipe 624 after entering inlet opening
In.
Alternatively, playpipe 624 is structure as a whole with the first dividing plate 622.
In another alternative embodiment, the first end of playpipe 624 by after inlet opening by the first dividing plate 622 to feed liquor
Stretch out in chamber 611, so, the sulfur removing pregnant solution in admission chamber 611 can not only be made stably empty through air inlet by playpipe 624
Between 621 and arrive and spray at hybrid chamber 612, additionally it is possible to make playpipe 624 detachably connected with the first dividing plate 622, thus just
In the playpipe 624 blocked or damage is repaired or replaced.
Alternatively, the second end of playpipe 624 is stretched out in hybrid chamber 612 by the first through hole, and injection apparatus 60 also includes
Doctor solution injector head, doctor solution injector head 241 is arranged on the second end of playpipe 624.In such manner, it is possible in making playpipe 624
Sulfur removing pregnant solution reaches optimal jeting effect, and sulfur removing pregnant solution forms stable mist field after being sprayed by doctor solution injector head, is conducive to
It is fully contacted reaction with air, improves the stability of injection apparatus 60 work, and then improve the regeneration effect of sulfur removing pregnant solution,
Improve desulfuration efficiency further.
Alternatively, second partition 623 offering the second through hole, admission space 621 is by the second through hole and hybrid chamber 612
Connection.So, the second through hole, as air outlet after admission space 621, provides reliable jet path for air.
Alternatively, injection apparatus 60 also includes gas-sparging head, and gas-sparging head is arranged on the second through hole.So, energy
Enough make the air in admission space 621 effectively spray in admission space 621, be conducive to and the doctor solution in hybrid chamber 612
It is fully contacted reaction, improves the stability of injection apparatus 60 work.
In a kind of preferred embodiment, playpipe 624 is multiple, and the first through hole is multiple, and multiple first through holes are with many
Individual playpipe 624 one_to_one corresponding is arranged.So, each playpipe 624 carries out spraying operation simultaneously, it is to avoid because of partial jet stack
624 block and affect the desulfurized effect of injection apparatus 60, improve the functional reliability of injection apparatus 60.
Alternatively, multiple playpipe 624 being provided at circumferentially spaced around housing 61, and the axle of each playpipe 624 and housing 61
Line direction is parallel.So, the ejection end of playpipe 624 is made to be uniformly distributed in hybrid chamber 612, by the injection of playpipe 624
The mist field energy that the doctor solution of end ejection is formed the most fully is full of whole hybrid chamber 612, it is ensured that be fully contacted with air, it is ensured that
The desulfurization stability of injection apparatus.
Alternatively, the second through hole is multiple, multiple second through hole being provided at circumferentially spaced around second partition 623.Similarly,
So be conducive to air to be distributed in hybrid chamber 612 equably, and react with doctor solution, stably remove in doctor solution
Sulfur hydrogen radical, meet the requirement of environmental protection.
Alternatively, in order to improve the desulfurization regeneration effect of injection apparatus 60 further, around being provided at circumferentially spaced of housing 61
Multiple playpipes 624 have multi-turn, circumferentially spaced multiple second through holes around second partition 623 have a multi-turn, and multi-turn is sprayed
Penetrate pipe 624 and multi-turn the second through hole to arrange along second partition 623 radial direction interval.
In a kind of preferred embodiment, as it is shown in figure 5, injection apparatus 60 also includes that liquid distribution plate 64, liquid distribution plate 64 are arranged
In admission chamber 611.So, make sulfur removing pregnant solution equably, stably enter in admission chamber 611, improve injection apparatus 60
Job stability.
Preferably, as it is shown in figure 5, housing 61 is cylindrically, housing cylindrically 61 is divided into along injection direction and being connected
Jet segment 613, necking segment 614 and extension diameter section 615, wherein, the sectional area of the inner chamber at necking segment 614 be less than jet segment 613
The sectional area of inner chamber at place and extension diameter section 615, and ejection section 62 is positioned in the inner chamber of jet segment 613.So, sulfur removing pregnant solution exists
After completing desulfurization regeneration operation at the ejection section 62 of jet segment 613 inner chamber, after entering into necking segment 614, flow velocity can increase sharply,
The desulfurizing agent after sulfur removing pregnant solution reaction regeneration is conducive to enter subsequent cycle work.
In a kind of preferred embodiment, as shown in Figures 1 to 4, desulfurizer also includes Roots blower 70, Roots blower
Machine 70 is connected with air intake structure 63.The regeneration of sulfur removing pregnant solution is completed to provide air in air intake structure 63.
In a kind of preferred embodiment, desulfurizer also includes exhaust scrubber 80, exhaust scrubber 80 and regeneration tank
20 are connected.Utilize exhaust scrubber 80 can improve the desulfurizer disposal ability to tail gas, reduce sulfur-bearing further simultaneously
The floor space of gas sweetening unit, improves the practicality of sulfurous gas desulfurizer.
In a kind of preferred embodiment, desulfurizer also includes liquid back pipe 12 and injector head 13, the outlet of desulfurization lean solution with
Desulfurization lean solution entrance is connected by liquid back pipe 12；Injector head 13 is arranged on one end of the close desulfurization lean solution entrance of liquid back pipe 12.
So, the desulfurization lean solution formed after regeneration tank 20 stably can spray into desulfurizing tower 10 by liquid back pipe 12 and injector head 13
Interior to carry out next round desulfurization process.
In a kind of preferred embodiment, desulfurizing tower 10 being provided with sulfurous gas entrance, desulfurizer also includes liquid
Distributor 14, liquid distribution trough 14 is arranged in desulfurizing tower 10, and liquid distribution trough 14 is positioned at the top of sulfurous gas entrance.If
Putting liquid distribution trough 14 can make sulfurous gas more uniformly be fully contacted with the desulfurization lean solution inversely got off, thus carries further
High desulfurized effect.
Alternatively, when using two-stage regenerative sulfur binding integrated tower, when i.e. regeneration tank 20 being set at the bottom of the tower of desulfurizing tower 10, desulfurization
Device also includes exhaust emissions pipeline tail gas discharging pipe road, and first end on exhaust emissions pipeline tail gas discharging pipe road is with tower top again
Raw groove 20 connects, and second end on exhaust emissions pipeline tail gas discharging pipe road is connected at exhaust scrubber 80.So, tail gas is passed through
Tail gas at regeneration tank 20 at the bottom of tower can stably be drained at exhaust scrubber 80 by discharge pipe exhaust emissions pipeline, carries
The vent gas treatment ability of high sulfur-containing gas desulfurizer.
In order to efficiently control the amount of flow of doctor solution, sulfurous gas desulfurizer also includes switch valve, and switch valve is arranged
On connecting pipeline between two regeneration tanks 20.Alternatively, switch valve is manually-operated gate.
In a kind of preferred embodiment, above-mentioned desulfurizer also includes sulfur foam treatment device 30, and sulfur foam processes
Device 30 is connected with sulfur foam outlet；Sulfur foam treatment device 30 includes sulfur melting kettle 31, filter centrifugal 32 and pneumatic diaphragm
Pump 33；Wherein it is provided with sulfur cream entrance on sulfur melting kettle 31；Sulfur foam inlet and the outlet of sulfur cream, sulfur it is provided with on filter centrifugal 32
Foam inlet is connected with sulfur foam outlet, and the outlet of sulfur cream is connected with sulfur cream entrance；Pneumatic diaphragm pump 33 is arranged on sulfur cream
On pipeline between outlet and sulfur cream entrance.
When above-mentioned sulfur foam treatment device 30 processes sulfur foam, sulfur foam is introduced into filter centrifugal 32, in centrifugal filtration
Under the effect of machine 32, major part clear liquid is separated, and this part clear liquid needs not move through sulfur melting kettle 31 and heats and i.e. can return to take off
Sulfur tower 10 is circulated use, and the secondary salt in such clear liquid is few with respect to the secondary salt in the clear liquid after sulfur melting kettle, thus
Can effectively reduce the growth rate of secondary salt, enable desulfurizing agent to be recycled more fully, improve sour gas further
The desulfuration efficiency of body.Additionally, compared to using centrifugal pump in traditional handicraft, to the pressurization of sulfur foam, (centrifugal pump is in order to reach 0.4MPa
Above pressure, it is necessary to the high speed centrifugation power by centrifugal pump maintains), the present invention uses pneumatic diaphragm pump 33, and feed pressure is constant,
Power is little, and outlet clear liquid amount is very easy to control, and so gets off so that the process operations of sulfur foam is simple, energy-conservation, noise
Little, stable.
In a preferred embodiment, sulfur foam treatment device 30 also includes foam tank 34 and foam pump 35, foam
Groove 34 is arranged on the pipeline between sulfur foam inlet and sulfur foam outlet；Foam pump 35 is arranged on foam tank 34 and enters with sulfur foam
On pipeline between Kou.
Alternatively, sulfur foam treatment device 30 also includes sulfur cream groove 36, and this sulfur cream groove 36 is arranged on above-mentioned filter centrifugal
Between 32 and pneumatic diaphragm pump 33, to ensure the more stable charging of sulfur cream.
In a kind of preferred embodiment, desulfurizing tower 10 being provided with catalyst inlet, desulfurizer also includes catalyst
Supply tank 90, catalyst supply tank 90 is connected with catalyst inlet.So desulfurizing tower 10 can be carried out stable catalyst
Supply, makes desulphurization reaction more stable.
In a kind of preferred embodiment, desulfurizing tower 10 being provided with alkali liquor inlet, desulfurizer also includes lye dissolving tank
100, lye dissolving tank 100 is connected with alkali liquor inlet.Lye dissolving tank 100 can provide the alkali required for desulphurization reaction for desulfurizing tower 10
Liquid, can be ammonia or soda ash solution.
In a kind of preferred embodiment, as shown in Figures 1 to 4, desulfurizer also includes solution circulation pump 40 and heat exchanger
50, specifically:
When described regeneration tank 20 is one, solution circulation pump 40 and heat exchanger 50 are arranged in series in desulfurization lean solution entrance institute
Pipeline on；Or, solution circulation pump 40 and heat exchanger 50 are arranged in series on the pipeline at the first sulfur removing pregnant solution entrance place；
When described regeneration tank 20 is two, solution circulation pump 40 and heat exchanger 50 are arranged in series in the first liquid outlet and
On pipeline between one inlet；Or, solution circulation pump 40 and heat exchanger 50 are arranged in series in the second liquid outlet and second and enter
On pipeline between liquid mouth, solution circulation pump 40 and heat exchanger 50 are arranged in series in the 3rd sulfur removing pregnant solution entrance and desulfurization richness simultaneously
On pipeline between liquid outlet.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
1, the gas sweetening of the desulfurizer special disposal high hydrogen sulfide in the present invention, certainly processes low in hydrogen sulphide and does not asks
Topic.
2, the desulfurizer in the present invention is higher for the regeneration efficiency of sulfur removing pregnant solution, and corresponding desulfuration efficiency is higher.
3, the solution circulation pump that the desulfurizer in the present invention uses is low lift flow pump, as long as just getting to tower height degree
OK, unlike conventional processes, pressure more than the 0.3Mpa to be reached of doctor solution, the desulfurization in the present invention before entering ejector
Device is energy-conservation reaches more than 30%.
4, the air press-in pressure of the desulfurizer in the present invention is only at below 30Kpa, and power consumption is the least.
5, the design of two-stage regenerative sulfur binding integrated tower, bigger than conventional regeneration groove respond, suspension sulfur is lower.
6, the desulfurizer in the present invention is when processing high hydrogen sulfide gas, and the secondary salt of doctor solution increases than conventional apparatus more
Slowly.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a sulfurous gas desulfurizer, it is characterised in that including:
Desulfurizing tower (10), described desulfurizing tower (10) is provided with desulfurization lean solution entrance；
Regeneration tank (20), described regeneration tank (20) is connected with described desulfurizing tower (10), in order to produce described desulfurizing tower (10)
Sulfur removing pregnant solution carry out being provided with in Regeneration Treatment, and described regeneration tank (20) sulfur foam outlet and the outlet of desulfurization lean solution, described
The outlet of desulfurization lean solution is connected with described desulfurization lean solution entrance；And
Injection apparatus (60), described injection apparatus (60) is arranged between described regeneration tank (20) and described desulfurizing tower (10), uses
Carry out described Regeneration Treatment described sulfur removing pregnant solution being passed through described regeneration tank (20)；
Wherein, described injection apparatus (60) including:
Housing (61), described housing (61) has inner chamber；
Ejection section (62), described ejection section (62) is arranged in described inner chamber and along injection direction, described inner chamber is divided into feed liquor
Chamber (611) and hybrid chamber (612), described admission chamber (611) is connected with described hybrid chamber (612) by described ejection section (62),
And between described ejection section (62) and described housing (61), surrounding admission space (621), described admission space (621) is mixed with described
Close chamber (612) connection；And
Air intake structure (63), described air intake structure (63) is arranged on described housing (61) and above and connects with described admission space (621)
Logical.
Sulfurous gas desulfurizer the most according to claim 1, it is characterised in that described regeneration tank (20) is one, institute
State desulfurizing tower (10) have on cavity (11), and described desulfurizing tower (10) be provided with sulfur removing pregnant solution outlet, described regeneration tank (20)
It is arranged on the top of described desulfurizing tower (10) and connects with described cavity (11), and it is de-to be provided with first on described regeneration tank (20)
Sulfur rich solution entrance, described sulfur foam outlet and the outlet of described desulfurization lean solution, described first sulfur removing pregnant solution entrance is rich with described desulfurization
Liquid outlet is connected, and described injection apparatus (60) is arranged on described first sulfur removing pregnant solution entrance and described sulfur removing pregnant solution exports it
Between pipeline on.
Sulfurous gas desulfurizer the most according to claim 1, it is characterised in that described regeneration tank (20) is one, institute
Stating and be provided with sulfur removing pregnant solution outlet on desulfurizing tower (10), described regeneration tank (20) is arranged on the outside of described desulfurizing tower (10), institute
State and on regeneration tank (20), be provided with the second sulfur removing pregnant solution entrance, the outlet of described desulfurization lean solution and described sulfur foam outlet, described the
Two sulfur removing pregnant solution entrances are connected with the outlet of described sulfur removing pregnant solution, and described injection apparatus (60) is arranged on described second desulfurization richness
Between liquid entrance and the outlet of described sulfur removing pregnant solution on pipeline.
Sulfurous gas desulfurizer the most according to claim 1, it is characterised in that described regeneration tank (20) is two, institute
State desulfurizing tower (10) and there is cavity (11), one of them described regeneration tank (20) be arranged on described desulfurizing tower (10) top and with
Described cavity (11) connects, and is provided with the first inlet and the outlet of described desulfurization lean solution；Another described regeneration tank
(20) it is arranged on the bottom of described desulfurizing tower (10) and connects with described cavity (11), being provided with the first liquid outlet, described
First liquid outlet is connected with described first inlet, and is provided with described sulfur foam on two described regeneration tanks (20) and goes out
Mouthful；At least one described injection apparatus (60) is arranged on the pipeline between described first inlet and described first liquid outlet,
And at least one described injection apparatus (60) is arranged in series between the described regeneration tank (20) at the bottom of described cavity (11) and tower
In order to spray described sulfur removing pregnant solution to the described regeneration tank (20) at the bottom of tower.
Sulfurous gas desulfurizer the most according to claim 1, it is characterised in that described regeneration tank (20) is two, institute
State desulfurizing tower (10) and there is cavity (11), one of them described regeneration tank (20) be arranged on described desulfurizing tower (10) top and with
Described cavity (11) connects, and is provided with the second inlet and the outlet of described desulfurization lean solution；Another described regeneration tank
(20) it is arranged on the outside of described desulfurizing tower (10), is provided with the 3rd sulfur removing pregnant solution entrance and the second liquid outlet, described de-
Being provided with sulfur removing pregnant solution outlet on sulfur tower (10), described 3rd sulfur removing pregnant solution entrance is connected with the outlet of described sulfur removing pregnant solution, institute
State the second liquid outlet to be connected with described second inlet, and be provided with described sulfur foam on two described regeneration tanks (20) and go out
Mouthful；At least one described injection apparatus (60) is arranged on the pipeline between described second inlet and described second liquid outlet,
And at least one described injection apparatus (60) is arranged between described 3rd sulfur removing pregnant solution entrance and the outlet of described sulfur removing pregnant solution
Pipeline on.
Sulfurous gas desulfurizer the most according to any one of claim 1 to 5, it is characterised in that described desulfurizer
Also include that Roots blower (70), described Roots blower (70) are connected with described air intake structure (63).
Sulfurous gas desulfurizer the most according to any one of claim 1 to 5, it is characterised in that described desulfurizer
Also include that exhaust scrubber (80), described exhaust scrubber (80) are connected with described regeneration tank (20).
Sulfurous gas desulfurizer the most according to any one of claim 1 to 5, it is characterised in that described desulfurizer
Also include:
Liquid back pipe (12), the outlet of described desulfurization lean solution is connected by described liquid back pipe (12) with described desulfurization lean solution entrance；
Injector head (13), described injector head (13) is arranged on the one of the close described desulfurization lean solution entrance of described liquid back pipe (12)
End.
Sulfurous gas desulfurizer the most according to any one of claim 1 to 5, it is characterised in that described desulfurizing tower
(10) being provided with sulfurous gas entrance on, described desulfurizer also includes liquid distribution trough (14), described liquid distribution trough (14)
It is arranged in described desulfurizing tower (10), and described liquid distribution trough (14) is positioned at the top of described sulfurous gas entrance.
Sulfurous gas desulfurizer the most according to any one of claim 1 to 5, it is characterised in that described desulfurizer
Also include that sulfur foam treatment device (30), described sulfur foam treatment device (30) are connected with described sulfur foam outlet；Described sulfur
Foam treatment device (30) including:
Sulfur melting kettle (31), described sulfur melting kettle (31) is provided with sulfur cream entrance；
Filter centrifugal (32), described filter centrifugal (32) is provided with sulfur foam inlet and the outlet of sulfur cream, described sulfur foam
Entrance is connected with described sulfur foam outlet, and the outlet of described sulfur cream is connected with described sulfur cream entrance；And
Pneumatic diaphragm pump (33), described pneumatic diaphragm pump (33) is arranged on the pipe between the outlet of described sulfur cream and described sulfur cream entrance
Lu Shang.
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