CN202253682U - Acidic gas desulfurization device - Google Patents
Acidic gas desulfurization device Download PDFInfo
- Publication number
- CN202253682U CN202253682U CN2011203667235U CN201120366723U CN202253682U CN 202253682 U CN202253682 U CN 202253682U CN 2011203667235 U CN2011203667235 U CN 2011203667235U CN 201120366723 U CN201120366723 U CN 201120366723U CN 202253682 U CN202253682 U CN 202253682U
- Authority
- CN
- China
- Prior art keywords
- gas
- preparatory
- desulfurizer
- outlet
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses an acidic gas desulfurization device, which comprises a hydrogen sulfide (H2S) oxidation furnace, a heat recovery device, a pre-desulfurization device, an infusion pump and a boiler flue gas desulfurization system. The H2S oxidation furnace comprises an acidic gas inlet, a reaction air inlet, a fuel gas inlet and an oxidized gas outlet, wherein the oxidized gas outlet is connected with the heat recovery device through a pipeline. The heat recovery device is connected with an oxidized gas inlet at the bottom of the pre-desulfurization device through a pipeline. The pre-desulfurization device comprises the oxidized gas inlet, a desulfurizing agent inlet, a pre-desulfurized gas outlet and a reaction solution outlet, wherein the desulfurizing agent inlet is positioned on the upper part of the pre-desulfurization device; the pre-desulfurized gas outlet is positioned at the upper end of the pre-desulfurization device; the reaction solution outlet is positioned at the bottom of the pre-desulfurization device, and is connected with the boiler flue gas desulfurization system through the infusion pump; and the pre-desulfurized gas outlet is connected with the boiler flue gas desulfurization system through a pipeline. The device has a simple structure; a flow is shortened; energy consumption is reduced; investment is saved; and the aim of fully desulfurizing the acidic gas can be reliably fulfilled.
Description
Technical field
The utility model relates to a kind of sour gas desulfurizer, specifically is applied to the chemical industry environmental protection field.
Background technology
The sulfur content of the feed coal that is adopted in synthetic ammonia and the methanol synthetizing technology is higher, does not reclaim if be discharged into airborne sulphur, and the sour gas that produces in will processes such as contaminated air, especially low-temperature rectisol contains the H of high concentration in this sour gas
2S, H
2S is a kind of colourless irritative gas, also is a kind of asphyxiant gas, endangers very big.Yet, H in present China and even the worldwide removal sour gas
2It is incomplete that the desulphurization system of S has exposed the sour gas desulfurization, and sulfur content is difficult to reach environmental protection standard and flow sheet equipment complicacy, investment and characteristics such as operating cost height, fluctuation of service in the tail gas.
Summary of the invention
In order to solve the problems of the technologies described above, the purpose of the utility model just is to provide a kind of sour gas desulfurizer.
The purpose of the utility model can adopt following technical scheme to realize:
A kind of sour gas desulfurizer is characterized in that described device comprises H
2S oxidation furnace 1, heat reclaim unit 2, preparatory desulfurizer 3, infusion pump 4 and boiler flue gas desulfurization system 5, described H
2S oxidation furnace 1 comprises sour gas inlet 6, reaction air intake 7, fuel gas inlet 8 and oxidizing gas outlet 9; Described oxidizing gas outlet 9 links to each other with heat reclaim unit 2 through pipeline; Described heat reclaim unit 2 links to each other with the oxidizing gas inlet 11 of preparatory desulfurizer 3 bottoms through pipeline; Described preparatory desulfurizer 3 comprises oxidizing gas inlet 11, desulfurizing agent inlet 10, processed gas outlet 12 and reactant liquor outlet 13 in advance; Described desulfurizing agent inlet 10 is positioned at preparatory desulfurizer 3 tops, and described preparatory processed gas outlet 12 is positioned at the top of preparatory desulfurizer 3, and described reactant liquor outlet 13 is positioned at the bottom of preparatory desulfurizer 3; Described reactant liquor outlet 13 links to each other with boiler flue gas desulfurization system 5 through infusion pump 4; Described preparatory processed gas outlet 12 links to each other with boiler flue gas desulfurization system 5 through pipeline.
Only need the gas after the completing combustion be carried out directly getting into the boiler flue gas desulfurization system after the preparatory desulfurization in a kind of sour gas desulfurizer operating process that the utility model proposes; Saved the subsequent operation step of desulfurization product, therefore simple in structure, flow process shortens, energy consumption reduces, investment saving; The utility model device only needs H in the sour gas in running
2S is completely oxidized to SO
2And reclaim the heat that burning produces, and need not control the burning ratio, therefore stable, operating cost is low; The utility model device can realize sour gas is carried out the purpose of complete desulfurization reliably, and sulfur content reaches environmental protection standard fully in the discharge tail gas, guarantees the environmental protection index that country is existing and following.
Description of drawings
Fig. 1 is the utility model schematic representation of apparatus.
In Fig. 1,1, H
2The S oxidation furnace, 2, heat reclaim unit, 3, desulfurizer in advance, 4, infusion pump; 5, boiler flue gas desulfurization system, 6, sour gas inlet, 7, the reaction air intake; 8, fuel gas inlet, 9, the oxidizing gas outlet, 10, the desulfurizing agent inlet; 11, oxidizing gas inlet, 12, processed gas outlet in advance, 13, the reactant liquor outlet.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is further specified.
As shown in Figure 1, a kind of sour gas desulfurizer, described device comprises H
2S oxidation furnace 1, heat reclaim unit 2, preparatory desulfurizer 3, infusion pump 4 and boiler flue gas desulfurization system 5, described H
2S oxidation furnace 1 comprises sour gas inlet 6, reaction air intake 7, fuel gas inlet 8 and oxidizing gas outlet 9; Described oxidizing gas outlet 9 links to each other with heat reclaim unit 2 through pipeline; Described heat reclaim unit 2 links to each other with the oxidizing gas inlet 11 of preparatory desulfurizer 3 bottoms through pipeline; Described preparatory desulfurizer 3 comprises oxidizing gas inlet 11, desulfurizing agent inlet 10, processed gas outlet 12 and reactant liquor outlet 13 in advance; Described desulfurizing agent inlet 10 is positioned at preparatory desulfurizer 3 tops, and described preparatory processed gas outlet 12 is positioned at the top of preparatory desulfurizer 3, and described reactant liquor outlet 13 is positioned at the bottom of preparatory desulfurizer 3; Described reactant liquor outlet 13 links to each other with boiler flue gas desulfurization system 5 through infusion pump 4; Described preparatory processed gas outlet 12 links to each other with boiler flue gas desulfurization system 5 through pipeline.
Described boiler flue gas desulfurization system is the process system that is used for boiler smoke is carried out desulfurization present stage, comprises limestone-gypsum wet method fume desulfurizing system, wet ammonia method for flue gas desulfurizing system etc.
Described limestone-gypsum wet method fume desulfurizing system is a kind of desulphurization system of utilizing a kind of technology to build; This technology is: the powder that lime stone is worn into mixes the lime stone slurry that (or lime stone is worn into lime white) process with water be absorbent; This lime stone slurry fully contacts mixing with flue gas; The calcium sulfate in sulfur in smoke and the slurries and the air of adding carry out oxidation reaction and generate calcium sulfate, and after calcium sulfate reached certain saturation degree, crystallization formed dihydrate gypsum; The flue gas that removes sulfur dioxide through washing enters atmosphere through heating (or not heating).
Described wet ammonia method for flue gas desulfurizing system also is a kind of desulphurization system of utilizing a kind of technology to build; This technology is: with ammonia (liquefied ammonia, ammoniacal liquor etc.) as absorbent; Generate ammonium sulfite with the fresh water (FW) reaction of sulfur in smoke and adding; It is agricultural thiamine fertilizer that ammonium sulfite generates ammonium sulfate with the excess air reaction again, enters atmosphere through the flue gas that removes sulfur dioxide.
The course of work of this embodiment is following:
From the sour gas of upstream process, narrow-minded, H
2S concentration big (wherein tolerance be 650 standard cubic meters/hour～1700 standard cubic meters/hour, H
2S content is 220～450 gram/standard cubic meters), get into H from sour gas inlet 6
2S oxidation furnace 1, the reaction air is sent into H through reaction air intake 7
2S oxidation furnace 1, fuel gas gets into H through fuel gas inlet 8
2S oxidation furnace 1 is at H
2In the S oxidation furnace 1, sour gas and excessive air burn at the effect down-firing of fuel gas, complete oxidation take place, the H when temperature is 1100～1250 ℃ in the sour gas
2The abundant oxidation of S is converted into SO
2, conversion ratio>=99.9%, this moment, sour gas was just for containing high concentration SO
2Gas.
H
2S oxidation furnace 1 outlet temperature 1100～1250 ℃ contain high concentration SO
2Gas through heat reclaim unit 2, recovery waste heat produces the saturated vapor of 2.5MPa, contains high concentration SO
2Gas temperature reduce to 95～105 ℃ and send in the preparatory desulfurizer 3, in desulfurizer 3 in advance, contain high concentration SO
2Gas spray the desulfurizing agent that gets off with preparatory desulfurizer 3 tops and contact.
Contain high concentration SO
2Gas through after the preparatory desulfurization, the most of SO in the gas
2Be removed, at this moment the SO in the gas
2Content meets boiler flue gas desulfurization system handles scope (SO
2Content 5000 milligrams/below the standard cubic meter), at this moment, the gas after the preparatory desulfurization is sent into boiler flue gas desulfurization system 5.
The heat supply network that the saturated vapor of the 2.5MPa of heat reclaim unit 2 by-products is delivered to the battery limit (BL) uses, and so far removal process is accomplished.
Present embodiment has the following advantages:
1. apparatus structure is simple, and is easy to operate, saves floor space.
2. reduced investment, power consumption is low, operating cost is low and can long period characteristics such as stably reaching standard operation.
3. device can realize sour gas is carried out the purpose of complete desulfurization reliably, and sulfur content reaches environmental protection standard fully in the discharge tail gas, guarantees the environmental protection index that country is existing and following.
Claims (1)
1. a sour gas desulfurizer is characterized in that, described device comprises H
2S oxidation furnace (1), heat reclaim unit (2), preparatory desulfurizer (3), infusion pump (4) and boiler flue gas desulfurization system (5), described H
2S oxidation furnace (1) comprises sour gas inlet (6), reaction air intake (7), fuel gas inlet (8) and oxidizing gas outlet (9); Described oxidizing gas outlet (9) links to each other with heat reclaim unit (2) through pipeline; Described heat reclaim unit (2) links to each other through the oxidizing gas inlet (11) of pipeline with preparatory desulfurizer (3) bottom; Described preparatory desulfurizer (3) comprises oxidizing gas inlet (11), desulfurizing agent inlet (10), processed gas outlet (12) and reactant liquor outlet (13) in advance; Described desulfurizing agent inlet (10) is positioned at preparatory desulfurizer (3) top, and described preparatory processed gas outlet (12) is positioned at the top of preparatory desulfurizer (3), and described reactant liquor outlet (13) is positioned at the bottom of preparatory desulfurizer (3); Described reactant liquor outlet (13) links to each other with boiler flue gas desulfurization system (5) through infusion pump (4); Described preparatory processed gas outlet (12) links to each other with boiler flue gas desulfurization system (5) through pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203667235U CN202253682U (en) | 2011-09-29 | 2011-09-29 | Acidic gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203667235U CN202253682U (en) | 2011-09-29 | 2011-09-29 | Acidic gas desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202253682U true CN202253682U (en) | 2012-05-30 |
Family
ID=46114918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203667235U Expired - Fee Related CN202253682U (en) | 2011-09-29 | 2011-09-29 | Acidic gas desulfurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202253682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380305A (en) * | 2011-09-30 | 2012-03-21 | 合肥宁垣工程技术有限责任公司 | Technology and apparatus for desulphurizing acidic gas |
-
2011
- 2011-09-29 CN CN2011203667235U patent/CN202253682U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380305A (en) * | 2011-09-30 | 2012-03-21 | 合肥宁垣工程技术有限责任公司 | Technology and apparatus for desulphurizing acidic gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103301732B (en) | Device and process for recycling and treating hydrogen sulfide-containing chemical acid waste gas | |
| CN102380305A (en) | Technology and apparatus for desulphurizing acidic gas | |
| CN102188897B (en) | Wet flue gas desulfurization and denitrification combined method | |
| CN102489132B (en) | Novel dual-alkali desulfurization method for removal of sulfur dioxide from flue gas and generation of elemental sulfur as byproduct | |
| CN103318846B (en) | Method for obtaining sulfur from sulfur compounds in coal chemical plant and electric power plant | |
| CN103977689B (en) | Device and method for removing sulfur dioxide in smoke by two-step alkalifying reproducing and sodium sulfite method | |
| CN101708422A (en) | Method for simultaneously desulphurizing and denitrating coal-fired flue gas by limestone-gypsum method | |
| CN101590369A (en) | Based on the mercury removal technology of lime-gypsum method desulphurization system and except that mercury absorption liquid | |
| CN203342639U (en) | Recovery treatment device for chemical acid waste gas containing hydrogen sulfide | |
| CN103721551B (en) | Boiler flue gas desulfurization, denitration, demercuration integrated purifying equipment | |
| CN103405997A (en) | Equipment for preparing sulfuric acid | |
| CN105268294A (en) | Double-tower double-circulation wet oxidation and catalysis combined removal system and method | |
| CN105771573A (en) | System and method for achieving low-temperature simultaneous desulfurization, denitration and dedusting of flue gas of gas-fired boiler | |
| CN202253682U (en) | Acidic gas desulfurization device | |
| CN201239608Y (en) | Integrated system for simultaneous desulfuration and denitration using semidry process | |
| CN205613259U (en) | Sintering flue gas desulfurization denitration integration system | |
| CN102188892B (en) | Ammonia process for performing desulfurization and denitration on flue gas simultaneously | |
| CN201949801U (en) | Flue gas desulfurization device of thermal power generating unit of burning high-sulfur coal | |
| CN105126904B (en) | Catalyst and its catalyst system and method for ammonia process of desulfurization denitrification integral | |
| CN103405998A (en) | Equipment and method for preparing sulfuric acid | |
| CN104190228B (en) | A kind of composite efficient energy-saving ammonia process desulfuration tower | |
| CN203663701U (en) | System for removing sulfur dioxide from boiler flue gas by carbide slag | |
| CN105016309A (en) | SWSR-2 sulfur recovery device and process | |
| CN202751947U (en) | Flue gas desulfurization (FGD) device using carbide slag-gypsum method | |
| CN204193768U (en) | A kind of composite efficient energy-saving ammonia process desulfuration tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |