CN106268192B - Sulfur-containing gas desulfurization device - Google Patents
Sulfur-containing gas desulfurization device Download PDFInfo
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- CN106268192B CN106268192B CN201610833708.4A CN201610833708A CN106268192B CN 106268192 B CN106268192 B CN 106268192B CN 201610833708 A CN201610833708 A CN 201610833708A CN 106268192 B CN106268192 B CN 106268192B
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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
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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
- B01D53/1418—Recovery of products
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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
- B01D53/1456—Removing acid components
- B01D53/1468—Removing hydrogen sulfide
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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
- B01D53/18—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
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Abstract
The invention provides a sulfur-containing gas desulfurization device. The device comprises a desulfurizing tower, a regeneration tank and an injection device, wherein the injection device is arranged between the regeneration tank and the desulfurizing tower and is used for introducing a desulfurization rich solution into the regeneration tank for regeneration treatment; wherein, injection apparatus includes: a housing having an interior cavity; the spraying part is arranged in the inner cavity and divides the inner cavity into a liquid inlet cavity and a mixing cavity along a spraying direction, the liquid inlet cavity is communicated with the mixing cavity through the spraying part, an air inlet space is defined between the spraying part and the shell, and the air inlet space is communicated with the mixing cavity; and the air inlet structure is arranged on the shell and communicated with the air inlet space. The desulfurization device provided by the invention is used for regenerating the desulfurization solution, so that various desulfurization treatment processes are developed, the desulfurization efficiency is high, and the energy consumption is low.
Description
Technical Field
The invention relates to the technical field of chemical industry, in particular to a sulfur-containing gas desulfurization device.
Background
When low-sulfur coke is produced, the sulfur content in the coke is low, so that the hydrogen sulfide content in the coke oven gas is not high, and the existing sulfur-containing gas desulfurization device has a good desulfurization effect on the coke oven gas.
However, when high-sulfur coke with high sulfur content is produced, the content of hydrogen sulfide in the coke oven gas is more than four times of the content of hydrogen sulfide in the traditional coke oven gas, and the existing sulfur-containing gas desulfurization device cannot treat the high hydrogen sulfide gas at all, so that the existing environmental protection requirement cannot be met.
Disclosure of Invention
The invention mainly aims to provide a sulfur-containing gas desulfurization device, which aims to solve the problem that the sulfur-containing gas desulfurization device in the prior art is low in desulfurization efficiency or cannot treat high-hydrogen sulfide gas in the prior art.
In order to achieve the above object, the present invention provides a sulfur-containing gas desulfurization apparatus comprising: the desulfurizing tower is provided with a desulfurizing barren solution inlet; the regeneration tank is communicated with the desulfurizing tower and is used for carrying out regeneration treatment on the desulfurizing rich liquid generated by the desulfurizing tower, a sulfur foam outlet and a desulfurizing barren solution outlet are arranged on the regeneration tank, and the desulfurizing barren solution outlet is communicated with the desulfurizing barren solution inlet; the injection device is arranged between the regeneration tank and the desulfurizing tower and is used for introducing the desulfurization rich solution into the regeneration tank for regeneration treatment; wherein, the injection apparatus includes: a housing having an interior cavity; the spraying part is arranged in the inner cavity and divides the inner cavity into a liquid inlet cavity and a mixing cavity along a spraying direction, the liquid inlet cavity is communicated with the mixing cavity through the spraying part, an air inlet space is defined between the spraying part and the shell, and the air inlet space is communicated with the mixing cavity; and the air inlet structure is arranged on the shell and communicated with the air inlet space.
Furthermore, the regeneration tank is one, the desulfurizing tower is provided with a cavity, a desulfurizing rich solution outlet is formed in the desulfurizing tower, the regeneration tank is arranged at the top end of the desulfurizing tower and communicated with the cavity, a first desulfurizing rich solution inlet, a sulfur foam outlet and a desulfurizing barren solution outlet are formed in the regeneration tank, the first desulfurizing rich solution inlet is communicated with the desulfurizing rich solution outlet, and the injection device is arranged on a pipeline between the first desulfurizing rich solution inlet and the desulfurizing rich solution outlet.
Furthermore, the regeneration tank is one, is provided with the export of desulfurization pregnant solution on the desulfurizing tower, and the regeneration tank setting is in the outside of desulfurizing tower, is provided with second desulfurization pregnant solution entry, desulfurization lean solution export and sulphur foam export on the regeneration tank, and second desulfurization pregnant solution entry is linked together with the export of desulfurization pregnant solution, and injection apparatus sets up on the pipeline between second desulfurization pregnant solution entry and desulfurization pregnant solution export.
Furthermore, the number of the regeneration tanks is two, the desulfurization tower is provided with a cavity, one regeneration tank is arranged at the top end of the desulfurization tower and is communicated with the cavity, and a first liquid inlet and a desulfurization barren solution outlet are arranged on the regeneration tank; the other regeneration groove is arranged at the bottom end of the desulfurizing tower and communicated with the cavity, a first liquid outlet is arranged on the other regeneration groove, the first liquid outlet is communicated with a first liquid inlet, and sulfur foam outlets are arranged on the two regeneration grooves; at least one injection device is arranged on a pipeline between the first liquid inlet and the first liquid outlet, and the at least one injection device is arranged between the cavity and the regeneration tank at the bottom of the tower in series and is used for injecting the desulfurization rich liquid to the regeneration tank at the bottom of the tower.
Furthermore, the number of the regeneration tanks is two, the desulfurizing tower is provided with a cavity, one regeneration tank is arranged at the top end of the desulfurizing tower and is communicated with the cavity, and a second liquid inlet and a desulfurizing barren solution outlet are arranged on the regeneration tank; the other regeneration groove is arranged outside the desulfurizing tower, a third desulfurizing rich liquid inlet and a second liquid outlet are arranged on the regeneration groove, a desulfurizing rich liquid outlet is arranged on the desulfurizing tower, the third desulfurizing rich liquid inlet is communicated with the desulfurizing rich liquid outlet, the second liquid outlet is communicated with the second liquid inlet, and sulfur foam outlets are arranged on the two regeneration grooves; at least one injection device is arranged on a pipeline between the second liquid inlet and the second liquid outlet, and at least one injection device is arranged on a pipeline between the third desulfurization rich liquid inlet and the desulfurization rich liquid outlet.
Further, the injection part includes: a first separator; the second partition plate is arranged at an interval with the first partition plate, and an air inlet space is formed between the first partition plate and the second partition plate; and at least one part of the injection pipe is arranged between the first partition plate and the second partition plate, and the liquid inlet cavity is communicated with the mixing cavity through the injection pipe.
Furthermore, the desulphurization device also comprises a roots blower which is communicated with the air inlet structure.
Furthermore, the desulphurization device also comprises a tail gas scrubber which is communicated with the regeneration tank.
Further, the desulfurization device further comprises: the desulfurization barren liquor outlet is communicated with the desulfurization barren liquor inlet through a liquid return pipe; and the injection head is arranged at one end of the liquid return pipe close to the desulfurization lean solution inlet.
Further, be provided with the sulphur gas entry on the desulfurizing tower, desulphurization unit still includes liquid distributor, and liquid distributor sets up in the desulfurizing tower, and liquid distributor is located the top that contains the sulphur gas entry.
Furthermore, the desulfurization device also comprises a sulfur foam treatment device, and the sulfur foam treatment device is communicated with the sulfur foam outlet; the sulfur foam treatment apparatus includes: a sulfur melting kettle is provided with a sulfur paste inlet; the centrifugal filter is provided with a sulfur foam inlet and a sulfur paste outlet, the sulfur foam inlet is communicated with the sulfur foam outlet, and the sulfur paste outlet is communicated with the sulfur paste inlet; and the pneumatic diaphragm pump is arranged on a pipeline between the sulfur paste outlet and the sulfur paste inlet.
According to the sulfur-containing gas desulfurization device provided by the invention, the desulfurization rich solution generated by the desulfurization tower can be regenerated through the regeneration tank, the desulfurization lean solution generated in the regeneration process is recycled to the desulfurization tower again for the next round of desulfurization, and the generated sulfur foam is treated by the sulfur foam treatment device to form a sulfur product.
It should be noted that, in the desulfurization device of the present invention, the desulfurization rich liquid is sprayed into the regeneration tank for regeneration by the spraying device connected in series between the regeneration tank and the desulfurization tower, because the spraying part is in the inner cavity and divides the inner cavity into the liquid inlet cavity and the mixing cavity which are spaced apart along the spraying direction, the liquid inlet cavity is communicated with the mixing cavity through the spraying part, and the spraying part and the shell enclose an air inlet space which is communicated with the mixing cavity; the air inlet structure is arranged on the shell and communicated with the air inlet space. Like this, the rich liquid pressure of desulfurization that the rich liquid of desulfurization gets into the feed liquor chamber and gathers and make the feed liquor intracavity risees in the feed liquor intracavity, and later the rich liquid of desulfurization directly reaches mixing chamber department through injection portion and sprays, has avoided providing very high injection pressure for the rich liquid of desulfurization, has reduced desulphurization unit's work energy consumption effectively. And the air reaches the mixing cavity through the air inlet space to be sprayed and fully contacted and reacted with the desulfurization rich solution, so that the regeneration effect of the desulfurization rich solution is further improved, and the desulfurization effect of the desulfurization device is further improved. In a word, the desulfurization device provided by the invention is used for regenerating the desulfurization solution, so that various desulfurization treatment processes are developed, the desulfurization efficiency is high, and the energy consumption is low.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic configuration of a sulfur-containing gas desulfurization apparatus according to an alternative embodiment of the present invention;
FIG. 2 shows a schematic configuration of a sulfur-containing gas desulfurization apparatus according to another alternative embodiment of the present invention;
FIG. 3 shows a schematic configuration of a sulfur-containing gas desulfurization apparatus according to yet another alternative embodiment of the present invention;
FIG. 4 shows a schematic configuration of a sulfur-containing gas desulfurization apparatus according to yet another alternative embodiment of the present invention; and
fig. 5 shows a schematic configuration of the injection device in the sulfur-containing gas desulfurization apparatus according to the present invention.
Wherein the figures include the following reference numerals:
10. a desulfurizing tower; 11. a cavity; 12. a liquid return pipe; 13. an injector head; 14. a liquid distributor; 20. a regeneration tank; 30. a sulfur foam treatment device; 31. a sulfur melting kettle; 32. a centrifugal filter; 33. a pneumatic diaphragm pump; 34. a foam tank; 35. a foam pump; 36. a sulfur paste tank; 40. a solution circulating pump; 50. a heat exchanger; 60. an injection device; 61. a housing; 62. an injection section; 611. a liquid inlet cavity; 612. a mixing chamber; 621. an air intake space; 63. an air intake structure; 622. a first separator; 623. a second separator; 624. an injection pipe; 64. a liquid distribution plate; 613. a spraying section; 614. a necking section; 615. a diameter expanding section; 70. a Roots blower; 80. a tail gas scrubber; 90. a catalyst supply tank; 100. and (4) an alkali dissolving tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As described in the background section, the sulfur-containing gas desulfurization apparatus of the prior art has a problem of low desulfurization efficiency. In order to solve this problem, the present invention provides a sulfur-containing gas desulfurization apparatus, as shown in fig. 1, 2, 3 and 4, comprising a desulfurization tower 10, a regeneration tank 20 and an injection device 60; a desulfurization barren liquor inlet is arranged on the desulfurization tower 10; the regeneration tank 20 is communicated with the desulfurizing tower 10 and is used for carrying out regeneration treatment on the desulfurizing rich liquid generated by the desulfurizing tower 10, a sulfur foam outlet and a desulfurizing barren solution outlet are arranged on the regeneration tank 20, and the desulfurizing barren solution outlet is communicated with a desulfurizing barren solution inlet; the injection device 60 is arranged between the regeneration tank 20 and the desulfurizing tower 10 in series and is used for introducing the desulfurization rich solution into the regeneration tank 20 for regeneration treatment; the injection device 60 comprises a shell 61, an injection part 62 and an air inlet structure 63, wherein the shell 61 is provided with an inner cavity; the injection part 62 is arranged in the inner cavity and divides the inner cavity into a liquid inlet cavity 611 and a mixing cavity 612 which are spaced along the injection direction, the liquid inlet cavity 611 is communicated with the mixing cavity 612 through the injection part 62, an air inlet space 621 is enclosed between the injection part 62 and the shell 61, and the air inlet space 621 is communicated with the mixing cavity 612; the intake structure 63 is provided on the housing 61 and communicates with the intake space 621.
In the desulfurization apparatus for sulfur-containing gas according to the present invention, the regeneration tank 20 is used to regenerate the rich desulfurization solution generated in the desulfurization tower 10, the lean desulfurization solution generated during the regeneration process is recycled to the desulfurization tower 10 for the next desulfurization, and the generated sulfur foam is treated by the sulfur foam treatment apparatus 30 to form a sulfur product.
In the desulfurization device of the present invention, the injection device 60 connected in series between the regeneration tank 20 and the desulfurization tower 10 is used to inject the desulfurization rich liquid into the regeneration tank 20 for regeneration, and the injection part 62 is arranged in the inner cavity and divides the inner cavity into the liquid inlet cavity 611 and the mixing cavity 612 which are spaced apart from each other along the injection direction, the liquid inlet cavity 611 is communicated with the mixing cavity 612 through the injection part 62, an air inlet space 621 is defined between the injection part 62 and the housing 61, and the air inlet space 621 is communicated with the mixing cavity 612; the intake structure 63 is provided on the housing 61 and communicates with the intake space 621. Therefore, the rich desulfurization solution enters the liquid inlet cavity 611 and is accumulated in the liquid inlet cavity 611, so that the pressure of the rich desulfurization solution in the liquid inlet cavity 611 is increased, and then the rich desulfurization solution directly reaches the mixing cavity 612 through the injection part 62 for injection, thereby avoiding providing high injection pressure for the rich desulfurization solution and effectively reducing the working energy consumption of the desulfurization device. And the air reaches the mixing chamber 612 through the air inlet space 621 and is sprayed and fully contacted and reacted with the desulfurization rich solution, which is beneficial to further improving the regeneration effect of the desulfurization rich solution, thereby further improving the desulfurization effect of the desulfurization device. In a word, the desulfurization device provided by the invention is used for regenerating the desulfurization solution, so that various desulfurization treatment processes are developed, the desulfurization efficiency is high, and the energy consumption is low.
It should be noted that, when the injection apparatus of the present invention operates, the pressure in the liquid inlet chamber 611 is not less than 0MPa and not more than 0.03MPa, and the concentration of hydrogen sulfide can be not less than 0g/m by using the desulfurization apparatus of the present invention 3 And 30g/m or less 3 (standard cubic) sulfur-containing gas is subjected to effective desulfurization.
In the desulfurization apparatus of the present invention, the injection device 60 can be used to significantly improve the regeneration effect of the rich desulfurization solution, thereby significantly improving the desulfurization effect of the sulfur-containing gas. The number and arrangement of the regeneration tanks 20 can be specifically adjusted:
in a preferred embodiment, as shown in fig. 1, there is one regeneration tank 20, the desulfurization tower 10 has a cavity 11, the desulfurization tower 10 is provided with a desulfurization rich liquid outlet, the regeneration tank 20 is disposed at the top end of the desulfurization tower 10 and is communicated with the cavity 11, the regeneration tank 20 is provided with a first desulfurization rich liquid inlet, a sulfur foam outlet and a desulfurization lean liquid outlet, the first desulfurization rich liquid inlet is communicated with the desulfurization rich liquid outlet, and the injection device 60 is disposed on a pipeline between the first desulfurization rich liquid inlet and the desulfurization rich liquid outlet. At this time, the regeneration tank 20 is disposed at the top end of the desulfurization tower 10 and is communicated with the cavity 11, so that the effect of integrated regeneration and desulfurization is achieved. Meanwhile, the injection device 60 can effectively improve the desulfurization efficiency and reduce the energy consumption.
In a preferred embodiment, as shown in fig. 2, the regeneration tank 20 is one, the desulfurization tower 10 is provided with a desulfurization rich liquid outlet, the regeneration tank 20 is disposed outside the desulfurization tower 10, the regeneration tank 20 is provided with a second desulfurization rich liquid inlet, a desulfurization lean liquid outlet and a sulfur foam outlet, the second desulfurization rich liquid inlet is communicated with the desulfurization rich liquid outlet, and the injection device 60 is disposed on a pipeline between the second desulfurization rich liquid inlet and the desulfurization rich liquid outlet. At this time, the regeneration tank 20 and the desulfurizing tower 10 are arranged independently and communicated with each other through a pipeline to complete the regeneration and the circulating desulfurization of the desulfurization rich solution. The desulfurization apparatus 60 has a high desulfurization effect, and the desulfurization rich solution from the desulfurization tower 10 can directly flow into the regeneration tank 20 for regeneration treatment, so that the energy consumption is low.
In a preferred embodiment, as shown in fig. 3, there are two regeneration tanks 20, the desulfurization tower 10 has a cavity 11, one of the regeneration tanks 20 is disposed at the top end of the desulfurization tower 10 and is communicated with the cavity 11, and is provided with a first liquid inlet and a desulfurization lean liquid outlet; the other regeneration tank 20 is arranged at the bottom end of the desulfurizing tower 10 and is communicated with the cavity 11, a first liquid outlet is arranged on the other regeneration tank, the first liquid outlet is communicated with a first liquid inlet, and sulfur foam outlets are arranged on the two regeneration tanks 20; at least one injection device 60 is arranged on the pipeline between the first liquid inlet and the first liquid outlet, and at least one injection device 60 is arranged between the cavity 11 and the regeneration tank 20 at the bottom of the tower in series for injecting the desulfurization rich solution to the regeneration tank 20 at the bottom of the tower.
In the desulfurization apparatus shown in fig. 3, a two-stage regeneration and desulfurization integrated tower is used, and specifically, two regeneration tanks 20 are provided at the top end and the bottom end of the desulfurization tower 10, and both the two regeneration tanks 20 communicate with the cavity 11. In the actual desulfurization process, the desulfurization rich solution generated by the desulfurization tower firstly enters the regeneration tank 20 at the bottom of the tower for primary regeneration, and then enters the regeneration tank 20 at the top of the tower through the first liquid inlet and the first liquid outlet for secondary regeneration, so that the desulfurization lean solution is formed and further flows into the desulfurization tower 10 for the next round of circulation.
The two-stage regeneration process can enable sulfur in the desulfurization pregnant solution to be removed in a simple substance form, so that the regenerated desulfurizer can be fully contacted with the sulfur-containing gas rising in the cavity 11 again after being sprayed in the cavity 11 of the desulfurization tower 10, the hydrogen sulfide in the sulfur-containing gas is effectively removed, the regenerated desulfurizer has a good desulfurization effect, the desulfurization efficiency of the sulfur-containing gas desulfurization device can be further improved, and the environment-friendly requirement is met.
Moreover, the arrangement mode of the two-stage regeneration and desulfurization integrated tower achieves the effect of device integration, so that the volume of the sulfur-containing gas desulfurization device is effectively reduced, the floor area of the sulfur-containing gas desulfurization device is reduced, and the desulfurization device has high practicability and economy.
In a preferred embodiment, as shown in fig. 4, there are two regeneration tanks 20, the desulfurization tower 10 has a cavity 11, one regeneration tank 20 is disposed at the top end of the desulfurization tower 10 and is communicated with the cavity 11, and a second liquid inlet and a desulfurization lean liquid outlet are disposed thereon; the other regeneration tank 20 is arranged outside the desulfurizing tower 10, a third desulfurizing rich liquid inlet and a second liquid outlet are arranged on the regeneration tank 20, a desulfurizing rich liquid outlet is arranged on the desulfurizing tower 10, the third desulfurizing rich liquid inlet is communicated with the desulfurizing rich liquid outlet, the second liquid outlet is communicated with the second liquid inlet, and sulfur foam outlets are arranged on the two regeneration tanks 20; at least one injection device 60 is disposed in the conduit between the second liquid inlet and the second liquid outlet, and at least one injection device 60 is disposed in the conduit between the third rich desulfurization liquid inlet and the rich desulfurization liquid outlet. At this time, the desulfurization device is provided with a primary regeneration desulfurization integrated tower, and an external regeneration tank 20 is additionally arranged. The two-stage regeneration can further improve the desulfurization effect of the desulfurizing tower, and the area of the device is relatively reduced by the one-stage regeneration and desulfurization integrated tower, so that the practicability of the device is improved.
In a preferred embodiment, as shown in fig. 5, the injection part 62 includes a first partition 622, a second partition 623, and an injection pipe 624; the second partition 623 is spaced apart from the first partition 622, and an air intake space 621 is formed between the first partition 622 and the second partition 623; at least a portion of the injection pipe 624 is disposed between the first partition 622 and the second partition 623, and the liquid inlet chamber 611 communicates with the mixing chamber 612 through the injection pipe 624. In this way, the first partition 622 stably separates the liquid inlet cavity 611 from the air inlet space 621, and prevents air in the air inlet space 621 from entering the liquid inlet cavity 611 to affect the spraying operation effect of the spraying device.
Optionally, a first end of the injection pipe 624 is disposed on the first partition 622 or extends from the first partition 622 into the liquid inlet cavity 611, a first through hole is formed on the second partition 623, a second end of the injection pipe 624 is an injection end, and the second end of the injection pipe 624 is communicated with the first through hole or extends from the first through hole into the mixing cavity 612.
Specifically, a liquid inlet hole is formed in the first partition 622, when the first end of the injection pipe 624 is disposed on the first partition 622, the first end of the injection pipe 624 is communicated with the liquid inlet hole, and the desulfurization rich liquid directly enters the injection pipe 624 after entering the liquid inlet hole.
Optionally, the injection pipe 624 is of unitary construction with the first partition 622.
In another alternative embodiment, the first end of the injection pipe 624 extends from the first partition 622 into the liquid inlet chamber 611 after passing through the liquid inlet hole, so that the rich desulfurization solution in the liquid inlet chamber 611 can be injected through the injection pipe 624 stably passing through the air inlet space 621 to the mixing chamber 612, and the injection pipe 624 can be detachably connected with the first partition 622, thereby facilitating the repair or replacement of the blocked or damaged injection pipe 624.
Optionally, the second end of the injection pipe 624 extends from the first through hole into the mixing chamber 612, and the injection device 60 further includes a doctor solution injection head, and the doctor solution injection head 241 is disposed at the second end of the injection pipe 624. Therefore, the desulfurization rich liquid in the injection pipe 624 can achieve the best injection effect, a stable fog field is formed after the desulfurization rich liquid is injected by the desulfurization liquid injection head, the desulfurization rich liquid is in full contact reaction with air, the working stability of the injection device 60 is improved, the regeneration effect of the desulfurization rich liquid is further improved, and the desulfurization efficiency is further improved.
Optionally, a second through hole is formed in the second partition 623, and the air inlet space 621 is communicated with the mixing chamber 612 through the second through hole. Thus, the second through hole serves as an outlet for air after the air intake space 621, providing a reliable injection path for air.
Optionally, the injection device 60 further comprises a gas injection head, which is arranged at the second through hole. Thus, the air in the air inlet space 621 can be effectively sprayed out from the air inlet space 621, and is beneficial to fully contact and react with the desulfurization solution in the mixing chamber 612, and the working stability of the spraying device 60 is improved.
In a preferred embodiment, the injection pipes 624 are provided in plurality, the first through holes are provided in plurality, and the plurality of first through holes are provided in one-to-one correspondence with the plurality of injection pipes 624. Thus, the injection operations of the injection pipes 624 are performed simultaneously, thereby preventing the desulfurization effect of the injection device 60 from being affected by the clogging of some of the injection pipes 624 and improving the operational reliability of the injection device 60.
Alternatively, a plurality of injection pipes 624 are provided at intervals around the circumference of the housing 61, and each injection pipe 624 is parallel to the axial direction of the housing 61. Thus, the spraying ends of the spraying pipes 624 are uniformly distributed in the mixing chamber 612, and the entire mixing chamber 612 can be fully filled with a mist field formed by the desulfurization liquid sprayed by the spraying ends of the spraying pipes 624, so that the full contact with air is ensured, and the desulfurization stability of the spraying device is ensured.
Alternatively, the second through holes are plural, and the plural second through holes are provided at intervals around the circumference of the second barrier 623. Similarly, this is favorable to the air can distribute in mixing chamber 612 evenly, and with the doctor solution reaction, steadily get rid of the sulphur hydride thing in the doctor solution, reach the requirement of environmental protection.
Alternatively, in order to further improve the desulfurization regeneration effect of the injection device 60, the plurality of injection pipes 624 are provided at intervals in the circumferential direction of the casing 61 in a plurality of turns, the plurality of second through holes are provided at intervals in the circumferential direction of the second barrier 623 in a plurality of turns, and the plurality of injection pipes 624 and the plurality of second through holes are provided at intervals in the radial direction of the second barrier 623.
In a preferred embodiment, as shown in fig. 5, the spraying device 60 further comprises a liquid distribution plate 64, and the liquid distribution plate 64 is disposed in the liquid inlet cavity 611. Therefore, the desulfurization rich solution can uniformly and stably enter the liquid inlet cavity 611, and the working stability of the injection device 60 is improved.
Preferably, as shown in fig. 5, the housing 61 is cylindrical, and the cylindrical housing 61 is divided into a spraying section 613, a necking section 614 and an expanding section 615 which are connected along the spraying direction, wherein the cross-sectional area of the cavity at the necking section 614 is smaller than the cross-sectional areas of the cavities at the spraying section 613 and the expanding section 615, and the spraying part 62 is located in the cavity of the spraying section 613. Thus, after the desulfurization rich solution completes desulfurization regeneration operation at the injection part 62 of the inner cavity of the injection section 613, the flow velocity is rapidly increased after entering the necking section 614, which is beneficial for the desulfurizing agent after desulfurization rich solution reaction regeneration to enter the next cycle operation.
In a preferred embodiment, as shown in FIGS. 1-4, the desulfurizer further includes a Roots blower 70, the Roots blower 70 being in communication with the intake structure 63. To provide air into the air intake structure 63 to complete regeneration of the rich desulfurization solution.
In a preferred embodiment, the desulfurization unit further comprises a tail gas scrubber 80, and the tail gas scrubber 80 is in communication with the regeneration tank 20. Utilize tail gas scrubber 80 can improve desulphurization unit to the throughput of tail gas, further reduce the area who contains sour gas desulphurization unit simultaneously, improve the practicality that contains sour gas desulphurization unit.
In a preferred embodiment, the desulfurization device further comprises a liquid return pipe 12 and an injection head 13, and the desulfurization lean liquid outlet is communicated with the desulfurization lean liquid inlet through the liquid return pipe 12; the spray head 13 is provided at an end of the liquid return pipe 12 near the inlet of the desulfurized lean liquid. Thus, the desulfurization lean solution formed after passing through the regeneration tank 20 can be stably sprayed into the desulfurization tower 10 through the liquid return pipe 12 and the spray head 13 to perform the next round of desulfurization treatment.
In a preferred embodiment, the desulfurization tower 10 is provided with a sulfur-containing gas inlet, and the desulfurization device further comprises a liquid distributor 14, wherein the liquid distributor 14 is arranged in the desulfurization tower 10, and the liquid distributor 14 is located above the sulfur-containing gas inlet. The liquid distributor 14 is arranged to enable the sulfur-containing gas to be in full contact with the downward desulfurization barren liquor more uniformly, thereby further improving the desulfurization effect.
Optionally, when a two-stage regeneration and desulfurization integrated tower is adopted, that is, when the regeneration tank 20 is disposed at the bottom of the desulfurization tower 10, the desulfurization device further includes a tail gas discharge pipeline, a first end of the tail gas discharge pipeline is communicated with the regeneration tank 20 at the top of the tower, and a second end of the tail gas discharge pipeline is connected to the tail gas scrubber 80. Therefore, the tail gas discharging pipeline can stably guide the tail gas at the regeneration tank 20 at the bottom of the tower to the tail gas scrubber 80, and the tail gas treatment capacity of the sulfur-containing gas desulfurization device is improved.
In order to effectively control the flow amount of the desulfurization solution, the sulfur-containing gas desulfurization apparatus further includes a switching valve disposed on a communication line between the two regeneration tanks 20. Optionally, the on-off valve is a manual valve.
In a preferred embodiment, the desulfurization device further comprises a sulfur foam treatment device 30, and the sulfur foam treatment device 30 is communicated with the sulfur foam outlet; the sulfur foam treatment device 30 comprises a sulfur melting kettle 31, a centrifugal filter 32 and a pneumatic diaphragm pump 33; wherein the sulfur melting kettle 31 is provided with a sulfur paste inlet; the centrifugal filter 32 is provided with a sulfur foam inlet and a sulfur paste outlet, the sulfur foam inlet is communicated with the sulfur foam outlet, and the sulfur paste outlet is communicated with the sulfur paste inlet; the pneumatic diaphragm pump 33 is arranged on the pipeline between the sulfur paste outlet and the sulfur paste inlet.
When the sulfur foam is processed by the sulfur foam processing device 30, the sulfur foam enters the centrifugal filter 32 firstly, most of clear liquid is separated out under the action of the centrifugal filter 32, and the clear liquid can return to the desulfurizing tower 10 for recycling without being heated by the sulfur melting kettle 31, so that the secondary salt in the clear liquid is less than that in the clear liquid passing through the sulfur melting kettle, the growth speed of the secondary salt can be effectively reduced, the desulfurizing agent can be recycled more fully, and the desulfurizing efficiency of sulfur-containing gas is further improved. In addition, compared with the traditional process that a centrifugal pump is adopted to pressurize the sulfur foam (the centrifugal pump needs to be maintained by the high-speed centrifugal force of the centrifugal pump in order to achieve the pressure of more than 0.4 MPa), the invention adopts the pneumatic diaphragm pump 33, so that the feeding pressure is constant, the power is low, and the clear liquid quantity at the outlet is very easy to control, thus the sulfur foam treatment process has the advantages of simple operation, energy conservation, low noise and stable operation.
In a preferred embodiment, the sulfur foam treatment apparatus 30 further comprises a foam tank 34 and a foam pump 35, the foam tank 34 being provided on a pipe between the sulfur foam inlet and the sulfur foam outlet; a foam pump 35 is arranged in the line between the foam bath 34 and the sulphur foam inlet.
Optionally, the sulfur foam treatment apparatus 30 further comprises a sulfur paste tank 36, and the sulfur paste tank 36 is disposed between the centrifugal filter 32 and the pneumatic diaphragm pump 33 to ensure a more stable feeding of the sulfur paste.
In a preferred embodiment, the desulfurization tower 10 is provided with a catalyst inlet, and the desulfurization device further includes a catalyst supply tank 90, wherein the catalyst supply tank 90 is communicated with the catalyst inlet. This enables stable supply of the catalyst to the desulfurizing tower 10, and makes the desulfurization reaction more stable.
In a preferred embodiment, the desulfurizing tower 10 is provided with an alkali liquor inlet, and the desulfurizing device further comprises an alkali dissolving tank 100, wherein the alkali dissolving tank 100 is communicated with the alkali liquor inlet. The alkali dissolving tank 100 can provide alkali liquor required by the desulfurization reaction for the desulfurization tower 10, and the alkali liquor can be ammonia water or soda solution.
In a preferred embodiment, as shown in fig. 1 to 4, the desulfurization unit further comprises a solution circulation pump 40 and a heat exchanger 50, in particular:
when the regeneration tank 20 is one, the solution circulating pump 40 and the heat exchanger 50 are arranged in series on a pipeline where the desulfurization lean solution inlet is positioned; or, the solution circulating pump 40 and the heat exchanger 50 are arranged in series on the pipeline where the first desulfurization rich solution inlet is located;
when there are two regeneration tanks 20, the solution circulating pump 40 and the heat exchanger 50 are arranged in series on the pipeline between the first liquid outlet and the first liquid inlet; or, the solution circulating pump 40 and the heat exchanger 50 are arranged in series on the pipeline between the second liquid outlet and the second liquid inlet, and meanwhile, the solution circulating pump 40 and the heat exchanger 50 are arranged in series on the pipeline between the third desulfurization rich liquid inlet and the desulfurization rich liquid outlet.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1. the desulfurization device of the invention is specially used for gas desulfurization with high hydrogen sulfide content, and the treatment of low hydrogen sulfide content is of course more problematic.
2. The desulfurization device has higher regeneration efficiency of the desulfurization rich solution and higher corresponding desulfurization efficiency.
3. The solution circulating pump adopted by the desulfurization device is a low-lift flow pump, and the desulfurization device can be used as long as the solution circulating pump reaches the height of the tower, unlike the traditional treatment process, the pressure of the desulfurization solution before entering the ejector needs to reach more than 0.3Mpa, and the energy of the desulfurization device can be saved by more than 30%.
4. The air pressure of the desulfurizer is only below 30Kpa, and the power consumption is low.
5. The design of the two-stage regeneration desulfurization integrated tower is larger in reaction capacity and lower in suspended sulfur compared with the traditional regeneration tank.
6. When the desulfurization device provided by the invention is used for treating high-hydrogen sulfide gas, the secondary salt of the desulfurization solution is increased more slowly than that of the conventional device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sulfur-containing gas desulfurization apparatus, characterized by comprising:
the desulfurization tower (10), the desulfurization tower (10) is provided with a desulfurization barren solution inlet;
the regeneration tank (20) is communicated with the desulfurization tower (10) and is used for carrying out regeneration treatment on the desulfurization rich solution generated by the desulfurization tower (10), a sulfur foam outlet and a desulfurization barren solution outlet are formed in the regeneration tank (20), and the desulfurization barren solution outlet is communicated with the desulfurization barren solution inlet; and
the injection device (60) is arranged between the regeneration tank (20) and the desulfurization tower (10) and is used for introducing the desulfurization rich solution into the regeneration tank (20) to carry out the regeneration treatment;
wherein the injection device (60) comprises:
a housing (61), the housing (61) having an interior cavity;
the injection part (62) is arranged in the inner cavity and divides the inner cavity into a liquid inlet cavity (611) and a mixing cavity (612) along an injection direction, the liquid inlet cavity (611) is communicated with the mixing cavity (612) through the injection part (62), an air inlet space (621) is enclosed between the injection part (62) and the shell (61), and the air inlet space (621) is communicated with the mixing cavity (612); and
an air intake structure (63), the air intake structure (63) being provided on the housing (61) and communicating with the air intake space (621);
the injection part (62) comprises a first partition plate (622), a second partition plate (623) and an injection pipe (624); the second partition plate (623) and the first partition plate (622) are arranged at intervals, and an air inlet space (621) is formed between the first partition plate (622) and the second partition plate (623); at least a part of the injection pipe (624) is arranged between the first partition (622) and the second partition (623), and the liquid inlet cavity (611) is communicated with the mixing cavity (612) through the injection pipe (624);
the first end of the injection pipe (624) is arranged on the first partition plate (622), the second partition plate (623) is provided with a first through hole, the second end of the injection pipe (624) is an injection end, and the second end of the injection pipe (624) is communicated with the first through hole or extends out of the first through hole into the mixing cavity (612);
a liquid inlet hole is formed in the first partition plate (622), the first end of the injection pipe (624) is communicated with the liquid inlet hole, and the first end of the injection pipe (624) extends into the liquid inlet cavity (611) from the first partition plate (622) after passing through the liquid inlet hole;
the second end of the injection pipe (624) extends into the mixing cavity (612) through the first through hole, the injection device (60) further comprises a desulfurization liquid injection head, and the desulfurization liquid injection head (241) is arranged at the second end of the injection pipe (624);
a second through hole is formed in the second partition plate (623), and the air inlet space (621) is communicated with the mixing cavity (612) through the second through hole;
the injection device (60) further comprises a gas injection head, and the gas injection head is arranged at the second through hole;
the second through holes are arranged in a plurality of numbers at intervals around the circumference of the second partition plate (623).
2. The apparatus for desulfurizing a sulfur-containing gas according to claim 1, wherein said regeneration tank (20) is a single tank, said desulfurization tower (10) has a cavity (11), and a desulfurization rich liquid outlet is provided in said desulfurization tower (10), said regeneration tank (20) is provided at a top end of said desulfurization tower (10) and is communicated with said cavity (11), and said regeneration tank (20) is provided with a first desulfurization rich liquid inlet, said sulfur foam outlet and said desulfurization lean liquid outlet, said first desulfurization rich liquid inlet is communicated with said desulfurization rich liquid outlet, and said injection means (60) is provided in a pipeline between said first desulfurization rich liquid inlet and said desulfurization rich liquid outlet.
3. The apparatus for desulfurizing a sulfur-containing gas according to claim 1, wherein said regeneration tank (20) is one, said desulfurization tower (10) is provided with a desulfurization rich liquid outlet, said regeneration tank (20) is provided outside said desulfurization tower (10), said regeneration tank (20) is provided with a second desulfurization rich liquid inlet, said desulfurization lean liquid outlet and said sulfur foam outlet, said second desulfurization rich liquid inlet is communicated with said desulfurization rich liquid outlet, and said injection means (60) is provided on a pipeline between said second desulfurization rich liquid inlet and said desulfurization rich liquid outlet.
4. The desulfurization apparatus for sulfur-containing gas according to claim 1, wherein there are two regeneration tanks (20), the desulfurization tower (10) has a cavity (11), one of the regeneration tanks (20) is disposed at the top end of the desulfurization tower (10) and is communicated with the cavity (11), and a first liquid inlet and the desulfurization lean liquid outlet are disposed thereon; the other regeneration tank (20) is arranged at the bottom end of the desulfurizing tower (10), is communicated with the cavity (11), is provided with a first liquid outlet, is communicated with the first liquid inlet, and is provided with the sulfur foam outlet; at least one injection device (60) is arranged on a pipeline between the first liquid inlet and the first liquid outlet, and at least one injection device (60) is arranged between the cavity (11) and the regeneration tank (20) at the bottom of the tower in series for injecting the desulfurization rich liquid into the regeneration tank (20) at the bottom of the tower.
5. The desulfurization apparatus for sulfur-containing gas according to claim 1, wherein there are two regeneration tanks (20), the desulfurization tower (10) has a cavity (11), one of the regeneration tanks (20) is disposed at the top end of the desulfurization tower (10) and is communicated with the cavity (11), and a second liquid inlet and the desulfurization lean liquid outlet are disposed thereon; the other regeneration tank (20) is arranged outside the desulfurizing tower (10), and is provided with a third desulfurizing rich liquid inlet and a second liquid outlet, the desulfurizing tower (10) is provided with a desulfurizing rich liquid outlet, the third desulfurizing rich liquid inlet is communicated with the desulfurizing rich liquid outlet, the second liquid outlet is communicated with the second liquid inlet, and the two regeneration tanks (20) are both provided with the sulfur foam outlets; at least one said injection means (60) is provided in the conduit between said second inlet port and said second outlet port, and at least one said injection means (60) is provided in the conduit between said third sweet rich liquid inlet and said sweet rich liquid outlet.
6. The sulfur-containing gas desulfurization apparatus according to any one of claims 1 to 5, characterized in that said desulfurization apparatus further comprises a Roots blower (70), said Roots blower (70) being in communication with said intake structure (63).
7. The sulfur-containing gas desulfurization device according to any one of claims 1 to 5, characterized in that said desulfurization device further comprises a tail gas scrubber (80), said tail gas scrubber (80) being in communication with said regeneration tank (20).
8. The sulfur-containing gas desulfurization apparatus according to any one of claims 1 to 5, further comprising:
the liquid return pipe (12) is used for communicating the desulfurization barren liquor outlet with the desulfurization barren liquor inlet through the liquid return pipe (12);
an injection head (13), wherein the injection head (13) is arranged at one end of the liquid return pipe (12) close to the desulfurization lean solution inlet.
9. The sulfur-containing gas desulfurization apparatus according to any one of claims 1 to 5, wherein a sulfur-containing gas inlet is provided on said desulfurization tower (10), said desulfurization apparatus further comprising a liquid distributor (14), said liquid distributor (14) being provided within said desulfurization tower (10), and said liquid distributor (14) being located above said sulfur-containing gas inlet.
10. The sulfur-containing gas desulfurization apparatus according to any one of claims 1 to 5, further comprising a sulfur foam treatment apparatus (30), wherein said sulfur foam treatment apparatus (30) is in communication with said sulfur foam outlet; the sulfur foam treatment device (30) comprises:
the sulfur melting kettle (31), the sulfur paste inlet is arranged on the sulfur melting kettle (31);
the centrifugal filter (32) is provided with a sulfur foam inlet and a sulfur paste outlet, the sulfur foam inlet is communicated with the sulfur foam outlet, and the sulfur paste outlet is communicated with the sulfur paste inlet; and
and the pneumatic diaphragm pump (33), and the pneumatic diaphragm pump (33) is arranged on a pipeline between the sulfur paste outlet and the sulfur paste inlet.
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| CN201610833708.4A CN106268192B (en) | 2016-09-19 | 2016-09-19 | Sulfur-containing gas desulfurization device |
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| CN201610833708.4A CN106268192B (en) | 2016-09-19 | 2016-09-19 | Sulfur-containing gas desulfurization device |
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| CN203916484U (en) * | 2014-07-14 | 2014-11-05 | 成都长风真空射流技术有限公司 | Chlorine and water mixer |
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| FR2809031B1 (en) * | 2000-05-17 | 2003-06-06 | Federation Vendee Rech | PNEUMATIC DIFFUSER FOR THE FORMATION OF FINE DROPLETS OF A LIQUID BY COLLISION WITH A GAS STREAM |
| CN101709231B (en) * | 2009-12-29 | 2011-05-04 | 林吉萍 | Self-adsorption ejector desulfurizing tower and manufacturing process thereof |
| CN201778014U (en) * | 2010-08-10 | 2011-03-30 | 浙江大学 | Integrated safe biological methane desulfurization zone |
| CN202387357U (en) * | 2011-12-13 | 2012-08-22 | 湖南飞洋机电科技有限公司 | Desulfuration ejector |
| CN103242923B (en) * | 2013-04-15 | 2014-07-09 | 利丰工程技术(天津)有限公司 | Natural gas desulfurization device and desulfurization process applicable to production platform |
| CN104650993A (en) * | 2015-03-15 | 2015-05-27 | 辽宁圣赫机械制造成套设备有限公司 | Cooking gas desulfurization and regeneration integrated tower |
| CN205294836U (en) * | 2015-12-31 | 2016-06-08 | 刘海滨 | Sulphur recovery system |
| CN206082082U (en) * | 2016-09-19 | 2017-04-12 | 北京安好嘉兴科技开发有限公司 | Contain sulphur gas desulphurization unit |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2467015A1 (en) * | 1979-10-09 | 1981-04-17 | Mitsubishi Petrochemical Co | GAS MIXER APPARATUS |
| GB2061744A (en) * | 1979-10-09 | 1981-05-20 | Mitsubishi Petrochemical Co | Gas-mixing device |
| CN203916484U (en) * | 2014-07-14 | 2014-11-05 | 成都长风真空射流技术有限公司 | Chlorine and water mixer |
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