CN205700143U - A kind of low concentration hydrogen sulphide acid tail gas processing means of improvement - Google Patents
A kind of low concentration hydrogen sulphide acid tail gas processing means of improvement Download PDFInfo
- Publication number
- CN205700143U CN205700143U CN201620635951.0U CN201620635951U CN205700143U CN 205700143 U CN205700143 U CN 205700143U CN 201620635951 U CN201620635951 U CN 201620635951U CN 205700143 U CN205700143 U CN 205700143U
- Authority
- CN
- China
- Prior art keywords
- tail gas
- gas
- connects
- outlet
- acid tail
- 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.)
- Active
Links
Landscapes
- Gas Separation By Absorption (AREA)
- Industrial Gases (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model proposes the low concentration hydrogen sulphide acid tail gas processing means of a kind of improvement, H2S source of the gas air inlet with original hydrogen sulfide acid tail gas removing means and unstripped gas blender respectively connects, and the gas outlet of original hydrogen sulfide acid tail gas removing means connects with tail gas blowdown piping；Unstripped gas blender, raw material gas purifying device, feed gas heater, flameless catalytic oxidation reactor, product cooler, product separator are sequentially communicated, the liquid outlet of product separator is connected with the inlet of liquid sulfur pit by sulfur sealed cans, the gas outlet of product separator connects with the air inlet of tail gas washing tower, the offgas outlet of tail gas washing tower connects with tail gas blowdown piping, and the discharging opening of tail gas washing tower receives unit with cleaning mixture and connects.This utility model has the features such as safety is high, energy consumption is low, maintenance cost is low, strong, the flexible process adjustment of side-product quality height, environmental friendliness, Technological adaptability.
Description
Technical field
This utility model belongs to natural gas, petrochemical industry, Coal Chemical Industry tail gas clean-up field, relates to petrochemical industry, Coal Chemical Industry
Field processes low sulfur-bearing raw material and uses low-temp methanol to wash operation purification generation low sulfide hydrogen acid tail gas purification removing field, special
Do not relate to the low concentration hydrogen sulphide acid tail gas processing means of a kind of improvement.
Background technology
Low-temp methanol washing process is a kind of physical desulfurization method removing sour gas in unstripped gas, is to utilize methanol solvate
Marked difference to various gas component dissolubility, can remove H respectively2S、CO2With impurity such as various organic sulfurs, there is gas clean
Change degree is high, the features such as selectivity is good, solvent absorption ability is strong, operating cost is low, extensively should by petrochemical industry, coal chemical technology
With.
Low-temp methanol washing process absorbs H2The methanol of S carries out regeneration cycle profit through methods such as flash distillation, air stripping, hot recycling
With, the sulfide hydrogen acid tail gas simultaneously parsed is sent to sulfur recovery process and carries out purified treatment, in actual production process
In, wash, from low-temp methanol, the hydrogen sulfide containing acid tail gas that operation sends out and there is H2The low 0.5-15% of S content, tail gas are large-minded
Etc. problem, if using low sulfur-bearing raw material to be processed producing, these problems will be more prominent.And routine sulfur recovery technology is usual
The sulfur removal technology technology common demands such as the Claus unit sulfur recovery unit series of employing, Crouse+vent gas treatment sulfur recovery technology are treated
In the entrance unstripped gas processed, hydrogen sulfide content is higher than 15-30%, could meet normal production run.
For solving above-mentioned contradiction, it is common practice that upstream low-temp methanol technique is transformed, increase hydrogen sulfide concentration mistake
Journey and equipment, to adapt to the technological requirement of conventional sulfur recovery entrance concentration.Do so increases plant investment, increases technological operation
Complexity, reduces the economy of plant running, also needs to consider whether original low temperature washing device for methanol has sufficiently large simultaneously
Place disposes newly-increased device and equipment.
Additionally, the most commonly used Crouse's series sulfur recovery technology is for this atm number, low in hydrogen sulphide concentration
Acid tail gas, commonly used oxygen-enriched combusting aoxidizes, to improve its desulfurization degree.On the one hand need to set up air separation unit and oxygen be provided,
Add plant investment and process complexity.On the other hand, oxygen-enriched flaming combustion considerably increases the security risk of device.Additionally
Crouse's series sulfur recovery technology is that external imported technology, its catalyst and technique patented technology are introduced costly, project
Invest higher.
Other uses wet desulphurization, the method such as including high gravity desulfurization method, ammonia process tail gas desulfurization, caustic wash desulfuration method
Sulfur recovery unit, needs to consume the raw and auxiliary materials such as a large amount of PDS desulfurizing agent, ammonia, alkali liquor, the problem that plant running is relatively costly,
On-the-spot running also exists equipment corrosion, device pipeline blocks serious situation.Along with country's requirement to sulphur emissions index
Increasingly stricter, how to realize these desulfurizer low costs, long period and stable operation, have become as these enterprise's sulfur recoveries
Technology equipment upgrading process problem demanding prompt solution.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model discloses the low concentration hydrogen sulphide acid of a kind of improvement
Property exhaust gas processing device, whole device has that safety is high, energy consumption is low, plant investment and day-to-day operation maintenance cost is low, by-product
Product quality is high, discharge gas can the feature such as qualified discharge, environmental friendliness, strong, the flexible process adjustment of Technological adaptability, and by original sulfur
Change hydrogen acid tail gas removing means as isolation stand-by provision.
This utility model uses flameless catalytic oxidation technology to process low-temp methanol and washes operation low concentration hydrogen sulphide acid tail gas,
It is the chemical drying method desulfurization treatment process to the low sulfur-containing tail gas that physical desulfurization technique produces, production process disappears without supplementary material
Consumption, produces and maintenance cost is relatively low, while by-product high-quality sulfur, it is achieved the qualified discharge of tail gas, has accomplished economic effect
Benefit and social benefit get bumper harvests.
The technical solution of the utility model is achieved in that
A kind of low concentration hydrogen sulphide acid tail gas processing means of improvement, including: original hydrogen sulfide acid tail gas removing dress
Put, unstripped gas blender, raw material gas purifying device, feed gas heater, flameless catalytic oxidation reactor, product cooler,
Product separator, tail gas washing tower, sulfur sealed cans, liquid sulfur pit, the first isolating valve, the second isolating valve；Upstream low-temp methanol washes operation
The source of the gas of low concentration hydrogen sulphide acid tail gas respectively with the entering of original hydrogen sulfide acid tail gas removing means and unstripped gas blender
QI KOU connects, and washes the source of the gas of operation low concentration hydrogen sulphide acid tail gas and original hydrogen sulfide acid tail gas at upstream low-temp methanol
Being provided with the first isolating valve between the air inlet of removing means, the gas outlet of original hydrogen sulfide acid tail gas removing means is put with tail gas
Empty pipeline connection, and on its connecting pipeline, it is provided with the second isolating valve；Unstripped gas blender is provided with air intlet and gas outlet,
Gas outlet on unstripped gas blender connects with the air inlet of raw material gas purifying device, and raw material is passed through in the gas outlet of raw material gas purifying device
Air preheater connects with the air inlet of flameless catalytic oxidation reactor, and the gas outlet of flameless catalytic oxidation reactor is produced by reaction
Thing cooler connects with the charging aperture of product separator, and the liquid outlet of product separator is by the inlet of sulfur sealed cans with liquid sulfur pit
Connection, the gas outlet of product separator connects with the air inlet of tail gas washing tower, tail gas washing tower is additionally provided with offgas outlet, enters
The mouth of a river, discharging opening, the offgas outlet of tail gas washing tower connects with tail gas blowdown piping, the discharging opening of tail gas washing tower and cleaning mixture
Reception unit connects.Washing the percentage by volume brought from upstream low-temp methanol is the low acid containing concentration of H 2 S of 0.5-15%
Tail gas H2After S and air are sufficiently mixed according to a certain percentage, deliver into raw material gas purifying device, then preheated by unstripped gas
Reactor feed gas is preheated to 160-250 DEG C by device, enters flameless catalytic oxidation reactor and carries out flameless catalytic oxidation reaction, reaction
Afterproduct carries out heat recovery through product cooler, and material is cooled to 110-160 DEG C, enters product separator and separates
Going out molten sulfur, molten sulfur enters liquid sulfur pit by sulfur sealed cans, and then puts into natural cooling in forming tank and obtain product sulfur, and product separates
The isolated tail gas of device reclaims, by tail gas washing tower, the sulfur powder that gas phase is escaped, and tail gas can be vented qualified discharge on the spot.
As a kind of preferred implementation, this exhaust gas processing device also includes: unstripped gas supercharging equipment, for former to entering
Upstream low-temp methanol before feed mixer is washed operation low concentration hydrogen sulphide acid tail gas and is carried out supercharging.Whether set up unstripped gas supercharging
Equipment needs to wash operation according to upstream low-temp methanol and brings low concentration sulfide hydrogen acid tail gas pressure and this device needs gram
The resistance drop of clothes is accepted or rejected, and principle is when sulfide hydrogen acid tail gas pressure is brought more than this device resistance fall in upstream,
Upstream then can be utilized to bring sulfide hydrogen acid tail gas pressure to overcome the resistance of this device, it is not necessary to set up unstripped gas pressure-raising
Equipment；When sulfide hydrogen acid tail gas pressure is brought less than this device resistance fall in upstream, need to increase unstripped gas supercharging and set
For low concentration sulfide hydrogen acid tail gas is carried out pressure-raising.During configuration unstripped gas supercharging equipment, it is preferably configured two, and with also
Connection mode is attached, and carrying out one time properly functioning, to open one standby, to ensure continuous, the stable operation of this device.
As a kind of preferred implementation, this exhaust gas processing device also includes: the 3rd isolating valve, is used for controlling upstream low temperature
Methanol washes the circulation status of operation low concentration hydrogen sulphide acid tail gas.
As a kind of preferred implementation, this exhaust gas processing device also includes: supercharging air equipment, for entering raw material
Air before blender carries out supercharging.This device is in addition to using and setting up supercharging air blower fan conveying air, when there is affluence in factory
The pressure of device air more than the system pressure of this device time, it is also possible to use the device air with certain pressure, utilize
The pressure of device air (or device air mixes according to a certain percentage with air) is delivered into device and participates in reaction, when device is empty
When the pressure of gas and amount are suitable, it is also possible to save the configuration of supercharging air equipment into, directly device air is allocated unstripped gas mixing
Device；When supercharging air equipment is set up in employing, it is preferably configured two, and connects in parallel, time properly functioning, carry out one
Open one standby, to ensure continuous, the stable operation of this device.
As a kind of preferred implementation, the 4th isolating valve, for controlling the circulation status of air.
Above-mentioned raw materials air preheater, has three kinds of effects in this utility model, has thermogenic action when initial start-up；
When normal production run, preheating material gas, maintain reaction to carry out；High temperature melting thiol sulfur is played when stopping, activated catalyst,
Accelerate the effect of secondary driving time.
In the said goods separator, the in line flow process of washings is: product separator tail gas out is at washing tail gas absorber
Inside be washed the sulfur powder that liquid washing absorption gas phase is escaped, treated tail gas can qualified discharge on the spot, absorb sulfur powder
Dirty cleaning mixture is sent into cleaning mixture reception unit (the supporting water treatment facilities of factory) and is carried out sulfur-containing waste water process.
In above-mentioned product cooler: can also select boiler water reclaim reaction heat by-product low-pressure steam, then to
For low-pressure steam for other low-pressure steams user outside factory.
The cleaning mixture that above-mentioned tail gas absorption scrubber uses is low temperature washing device for methanol methanol-water tower bottom of rectifying tower relief liquor,
This methanol-water tower bottom of rectifying tower relief liquor is to use continuously, reduces consumption of raw materials of the present utility model and cost.
For realize the said equipment break down time, can isolation processing problem online, and do not affect device continuous-stable fortune
OK, break down when the improvement part (i.e. this device part in addition to original hydrogen sulfide acid tail gas removing means) of this device
Time, upstream low-temp methanol can be washed the low concentration hydrogen sulphide acid tail gas that operation sends here and be rapidly switched to original hydrogen sulfide acidity tail
Gas removing means processes, thus this utility model improvement part cuts out system, isolation processing problem, treats that issue handling is complete
Finish, upstream raw material gas is switched back into this improvement part again and carries out desulfurization process.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the process chart of this utility model embodiment.
In figure: 1a/b: supercharging air equipment, one opens a standby configuration；2a/b: unstripped gas supercharging equipment, one opens a standby configuration；
3: raw material gas purifying device；4: feed gas heater；5: unstripped gas blender；6: flameless catalytic oxidation reactor；7: product
Cooler；8: product separator；10: sulfur sealed cans；11: liquid sulfur pit；13: tail gas washing tower；18: the four isolating valves；19: the first every
From valve；20: the three isolating valves；21: the second isolating valves；The most original hydrogen sulfide acid tail gas removing means.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Embodiment
The low concentration hydrogen sulphide acid tail gas processing means of a kind of improvement, upstream low-temp methanol washes operation low concentration hydrogen sulphide
Source of the gas a part of and original hydrogen sulfide acid tail gas removing means of acid tail gas air inlet 2. connects, and at its connecting pipeline
It is provided with the first isolating valve 19, in the connection of original hydrogen sulfide acid tail gas removing means gas outlet 2. Yu tail gas blowdown piping
Pipeline is provided with the second isolating valve 21；Another part upstream low-temp methanol is washed the source of the gas of operation low concentration hydrogen sulphide acid tail gas and is led to
Cross unstripped gas supercharging equipment 2a/b and acid tail gas is carried out supercharging, and by the 3rd isolating valve 20 to low concentration hydrogen sulphide acidity tail
The circulation status of gas regulates and controls, and then enters former with another raw air carrying out supercharging through supercharging air equipment 1a/b
Material gas blender 5 mixes, and is regulated and controled the circulation status of air by the 4th isolating valve 18, unstripped gas blender 5
On gas outlet connect with the air inlet of raw material gas purifying device 3, the gas outlet of raw material gas purifying device 3 pass through feed gas heater 4
Connecting with the air inlet of flameless catalytic oxidation reactor 6, the gas outlet of flameless catalytic oxidation reactor 6 is cooled down by product
Device 7 connects with the charging aperture of product separator 8, and the liquid outlet of product separator 8 is by the feed liquor of sulfur sealed cans 10 with liquid sulfur pit 11
Mouth connection, the gas outlet of product separator 8 connects with the air inlet of tail gas washing tower 13, and tail gas washing tower 13 is additionally provided with tail gas
Outlet, water inlet, discharging opening, the offgas outlet of tail gas washing tower 13 connects with tail gas blowdown piping, going out of tail gas washing tower 13
Material mouth receives unit with cleaning mixture and connects.
Washing operation low concentration hydrogen sulphide acid tail gas from upstream low-temp methanol, a part is sent to original hydrogen sulfide acidity tail
2. gas removing means carries out purified treatment, and another part is sent to unstripped gas blender and mixes with air, from upstream low-temp methanol
Wash operation low concentration hydrogen sulphide acid tail gas to be switched over by the first isolating valve 19 and the 4th isolating valve 18；Low concentration hydrogen sulphide
After acid tail gas and air carry out proportioning mixing in unstripped gas blender 5 according to a certain percentage, enter raw material gas purifying
Device 3 carries out reacting front pretreatment of raw material, and removing upstream low-temp methanol washes the first brought in operation low concentration hydrogen sulphide acid tail gas
The impurity such as alcohol, dust, through the reactor feed gas of pretreatment after feed gas heater 4 pre-heating temperature elevation to (160-280) DEG C,
Sending into flameless catalytic oxidation reactor 6 and carry out flameless catalytic oxidation reaction, the temperature rise that course of reaction produces is cold by product
But device 7 and boiler feedwater complete heat recovery, and by-product low-pressure steam for device or makes for factory's low-pressure steam pipe network outward
With, product temperature reduces, and wherein product sulfur is become liquid by gaseous state, separates at product separator 8 and receives
Collection process, separates and traps the sulfur drop got off and collect bottom product separator 8 and discharge, and enters sulfur sealed cans by gravity flow
10, deliver to liquid sulfur pit 11 finally by flow by gravity, complete product sulfur collect, storage, product separator 8 separate tail gas and
Waste water inversely contacts at tail gas washing tower 13, completes the washing absorption process of escape sulfur powder in product tail gas, at tail gas
Being discharged by the bottom of tower rich in sulfur powder cleaning mixture by waste water washing absorption in scrubbing tower 13, and be sent to cleaning mixture and receive unit and enter
Row waste water processes, and raw material gas purifying device 3, tail gas washing tower 13 single series configure, when raw material gas purifying device 3, tail gas washing tower 13
Go wrong need process time, can progressively open the first isolating valve 19 and the second isolating valve 21, will wash from upstream low-temp methanol
Operation low concentration hydrogen sulphide acid tail gas switches to original hydrogen sulfide acid tail gas removing means and 2. processes, progressively close the 4th every
From valve 18 and the 3rd isolating valve 20, by present invention process device isolation processing problem, treat that issue handling is complete, progressively open the 4th
Isolating valve 18 and the 3rd isolating valve 20, will wash operation low concentration hydrogen sulphide acid tail gas from upstream low-temp methanol and back switch to
Present invention process device purified treatment, progressively closes the first isolating valve 19 and the second isolating valve 21, to isolate standby original sulfuration
Hydrogen acid tail gas removing means is 2..
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (5)
1. the low concentration hydrogen sulphide acid tail gas processing means improved, it is characterised in that including: original hydrogen sulfide acidity tail
Gas removing means, unstripped gas blender, raw material gas purifying device, feed gas heater, flameless catalytic oxidation reactor, product
Cooler, product separator, tail gas washing tower, sulfur sealed cans, liquid sulfur pit, the first isolating valve, the second isolating valve；Upstream low-temp methanol
The source of the gas washing operation low concentration hydrogen sulphide acid tail gas mixes with original hydrogen sulfide acid tail gas removing means and unstripped gas respectively
The air inlet connection of device, and wash the source of the gas of operation low concentration hydrogen sulphide acid tail gas and original sulfuration hydracid at upstream low-temp methanol
Property tail gas removing means air inlet between be provided with the first isolating valve, the gas outlet of original hydrogen sulfide acid tail gas removing means with
Tail gas blowdown piping connects, and is provided with the second isolating valve on its connecting pipeline；Unstripped gas blender be provided with air intlet and
Gas outlet, the gas outlet on unstripped gas blender connects with the air inlet of raw material gas purifying device, the gas outlet of raw material gas purifying device
Being connected by the air inlet of feed gas heater with flameless catalytic oxidation reactor, the gas outlet of flameless catalytic oxidation reactor leads to
Crossing product cooler to connect with the charging aperture of product separator, the liquid outlet of product separator passes through sulfur sealed cans and liquid sulfur pit
Inlet connection, the gas outlet of product separator connects with the air inlet of tail gas washing tower, and tail gas washing tower is additionally provided with tail
Gas outlet, water inlet, discharging opening, the offgas outlet of tail gas washing tower connects with tail gas blowdown piping, the discharging of tail gas washing tower
Mouth receives unit with cleaning mixture and connects.
2. device as claimed in claim 1, it is characterised in that also include: unstripped gas supercharging equipment, for mixed to entering raw material
Upstream low-temp methanol before clutch is washed operation low concentration hydrogen sulphide acid tail gas and is carried out supercharging.
3. device as claimed in claim 2, it is characterised in that also include: the 3rd isolating valve, be used for controlling upstream low-temp methanol
Wash the circulation status of operation low concentration hydrogen sulphide acid tail gas.
4. device as claimed in claim 1, it is characterised in that also include: supercharging air equipment, for entering raw material mixing
Air before device carries out supercharging.
5. device as claimed in claim 4, it is characterised in that also include: the 4th isolating valve, for controlling the circulation shape of air
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620635951.0U CN205700143U (en) | 2016-06-24 | 2016-06-24 | A kind of low concentration hydrogen sulphide acid tail gas processing means of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620635951.0U CN205700143U (en) | 2016-06-24 | 2016-06-24 | A kind of low concentration hydrogen sulphide acid tail gas processing means of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205700143U true CN205700143U (en) | 2016-11-23 |
Family
ID=57316322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620635951.0U Active CN205700143U (en) | 2016-06-24 | 2016-06-24 | A kind of low concentration hydrogen sulphide acid tail gas processing means of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205700143U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109573959A (en) * | 2019-01-04 | 2019-04-05 | 科洋环境工程（上海）有限公司 | The multi-stage oxidizing sulphuric acid plant and acid-making process of hydrogen sulfide sour gas |
| CN110180483A (en) * | 2019-06-28 | 2019-08-30 | 南充西南石油大学设计研究院有限责任公司成都分公司 | Shaftless fluid reactor and sulfurous gas slurry method desulfurizer |
-
2016
- 2016-06-24 CN CN201620635951.0U patent/CN205700143U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109573959A (en) * | 2019-01-04 | 2019-04-05 | 科洋环境工程（上海）有限公司 | The multi-stage oxidizing sulphuric acid plant and acid-making process of hydrogen sulfide sour gas |
| CN110180483A (en) * | 2019-06-28 | 2019-08-30 | 南充西南石油大学设计研究院有限责任公司成都分公司 | Shaftless fluid reactor and sulfurous gas slurry method desulfurizer |
| CN110180483B (en) * | 2019-06-28 | 2024-05-28 | 南充西南石油大学设计研究院有限责任公司成都分公司 | Shaftless fluid reactor and sulfur-containing gas slurry desulfurization device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104355343B (en) | A kind of purification process for reclaiming ammonia in coal gasification waste water | |
| CN108079762B (en) | Flue gas desulfurization system and method for flue gas desulfurization by using same | |
| CN101700463A (en) | Method for desulfurating and denitrating and recovering sulfur resource in closed cycle way | |
| CN102049181A (en) | Purification method of sulfur-containing organic waste gas | |
| CN104474850B (en) | Molten sulfur pond exhaust gas treating method and device | |
| CN104785091A (en) | Advanced emission reduction method and device for sulfur-containing tail gas of fuming furnace | |
| CN109929583A (en) | A kind of device and method of the liquid hydrocarbon mercaptan removal alkali liquid regeneration of tail gas zero-emission | |
| CN109569193A (en) | It is a kind of to absorb the sulfur method synchronous with regeneration | |
| CN104119946B (en) | A kind of catalytic cracking flue gas desulfurization and Acidic Gas Treating technique | |
| CN205700143U (en) | A kind of low concentration hydrogen sulphide acid tail gas processing means of improvement | |
| CN102151475B (en) | Two-tower ammonia method desulfurization device and method | |
| CN111592917A (en) | Blast furnace gas fine desulfurization method and fine desulfurization system | |
| CN101979130A (en) | Method for removing hydrogen sulfide from industrial gas in recycling way | |
| CN108910829B (en) | Acid gas sulfur recovery system and acid gas sulfur recovery method | |
| CN107261789B (en) | Ammonia desulphurization system and method for high-sulfur flue gas | |
| CN205528636U (en) | Blue charcoal coal gas integrated device | |
| CN110484308A (en) | A kind of blast furnace gas BKRP desulphurization system | |
| CN112680256B (en) | Device and method for wet dechlorination and desulfurization of blast furnace gas | |
| CN205700142U (en) | A kind of device processing low concentration hydrogen sulphide acid tail gas | |
| CN111792651B (en) | Device and method for preparing sulfite | |
| CN103316563B (en) | Blue charcoal tail gas desulfurization purifier and using method thereof | |
| CN210814652U (en) | Deep hydrogen sulfide removal device for sulfur recovery tail gas | |
| CN112877102A (en) | Blast furnace gas fine desulfurization system | |
| CN205700144U (en) | A kind of low concentration hydrogen sulphide acid tail gas processing means | |
| CN107789969A (en) | The processing method and device of a kind of sour gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |