CN209583632U - A kind of device handling H2S Recovered sulphur from viscose glue exhaust gas - Google Patents
A kind of device handling H2S Recovered sulphur from viscose glue exhaust gas Download PDFInfo
- Publication number
- CN209583632U CN209583632U CN201920139575.XU CN201920139575U CN209583632U CN 209583632 U CN209583632 U CN 209583632U CN 201920139575 U CN201920139575 U CN 201920139575U CN 209583632 U CN209583632 U CN 209583632U
- Authority
- CN
- China
- Prior art keywords
- sulphur
- inlet
- tank
- cleaning solution
- discharge port
- 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
- Treating Waste Gases (AREA)
Abstract
One kind handling H from viscose glue exhaust gas2The device of S Recovered sulphur, viscose glue exhaust pipe is connected with scrubbing tower lower part air inlet, scrubbing tower side inlet is connected by detergent circulator with cleaning solution circulating tank liquid outlet, cleaning solution spray device is housed inside scrubbing tower, cleaning solution spray device is connected with scrubbing tower inlet, and wash tower bottoms liquid outlet is connected with cleaning solution circulating tank inlet and demister inlet respectively；Foam collecting tank discharge port is connected with centrifugation machine inlet；Discharge hole of centrifugal machine is connected with sulphur slurry collecting tank feed inlet；Sulphur slurry collecting tank discharge port is connected with sulphur heater top feed mouth.Compared with the prior art, the advantages of the utility model are: alternative processing hydrogen sulfide, does not consume a large amount of detergent and does not need heating, pressurization, because cleaning solution not with CS in exhaust gas2Reaction, does not cause CS2Loss, do not influence that there is high economic value CS2Recycling.
Description
Technical field
The utility model relates in a kind of viscose glue exhaust gas from CS2And H2H is handled in S mixed gas2The device of S Recovered sulphur.
Background technique
In chemical fibre industry, there is a large amount of CS in viscose glue exhaust gas2And H2S, if being directly discharged to atmosphere without processing
In, it would seriously pollute the environment.In the prior art, for CS2And H2The processing method of S mixed gas has:
1. distinguishing facture: using alkaline absorbent (such as NaOH, Na2CO3Or NaHCO3Aqueous solution) absorb it is therein
H2S recycles adsorbent (active carbon or activated fibre) to absorb CS therein2That is alkali cleaning+absorption method.The hydrogenation of byproduct sulphur
Sodium needs to be concentrated, and is also easy to produce a large amount of sulfur-containing waste waters and carnallite.
2. the Recovered sulphur of Claus method: making CS in exhaust gas in Crouse's incinerator2And H2S oxidation generates SO2, raw
At SO2With the H in air inlet2S generates sulphur by following reaction equation and is withdrawn:
2H2S+SO2=2H2O+3S
Bauxite is the catalyst of reaction, carry out reaction can at a temperature of less high.The utilization of catalyst, which is measured, is
The 0.1% ~ 0.2% of reaction mixture.Reactor temperature is necessarily less than 650 DEG C, and otherwise catalyst structure is damaged, and works as exhaust gas
In when having hydrocarbon temperature must not exceed 480 DEG C.Claus method requires the CS in exhaust gas2And H2The initial concentration of S should be greater than
7-15g/Nm3, otherwise, burning cannot supply the heat for meeting reaction requirement, not be able to maintain the required temperature of normal reaction.
Above-mentioned processing mode complex process, at high cost, energy consumption is high, and the rate of recovery is low, currently, containing CS for processing2And H2S's
Exhaust gas develops a kind of selectivity processing hydrogen sulfide, does not consume a large amount of detergent and does not need heating, pressurization, and does not influence to have
There is high economic value CS2Way of recycling it is particularly important.
Summary of the invention
The utility model provides a kind of selectivity processing hydrogen sulfide, does not consume a large amount of detergent and does not need heating, adds
Pressure, and do not influence that there is high economic value CS2Recycling, handle H in continuous, simple, safety slave viscose glue exhaust gas2S recycling
The device of sulphur.
Technical solutions of the utility model are: viscose glue exhaust pipe is connected with scrubbing tower lower part air inlet, goes out at the top of scrubbing tower
Port is connected with demister air inlet；Scrubbing tower inlet is connected by detergent circulator with cleaning solution circulating tank liquid outlet,
Cleaning solution spray device is housed, cleaning solution spray device is connected with scrubbing tower inlet, wash tower bottoms liquid outlet point inside scrubbing tower
It is not connected with cleaning solution circulating tank inlet and demister inlet；Demister bottom is connected to air inlet mouth of pipe, air inlet mouth of pipe and drum
Blower is connected, and demister upper part discharge port is connected with foam collecting tank feed inlet, and foam collecting tank discharge port is conveyed by foam
Pump is connected with centrifugation machine inlet；Discharge hole of centrifugal machine is connected with sulphur slurry collecting tank feed inlet；Sulphur slurry collecting tank discharge port passes through
Sulphur slurry delivery pump is connected with sulphur heater top feed mouth；The top liquid outlet and lower part discharge port of sulphur heater respectively with
The top inlet of molten sulphur separator is connected with the feed inlet of bottom；Molten sulphur separator lower part discharge port and molten sulphur collecting tank phase
Even, discard solution discharge port is connected with gas-liquid separator feed inlet at the top of molten sulphur separator；Molten sulphur collecting tank lower part discharge port and molten sulphur
Tank feed inlet is stood to be connected；Molten sulphur stands tank upper part discharge port and is connected with molten sulphur transfer tank feed inlet.
Scrubbing tower inlet described in the utility model is three, upper, middle and lower portion inlet, and there are three wash dress inside scrubbing tower
Liquid sprayer is washed, three cleaning solution spray devices are connected with corresponding inlet respectively.
One branch of inlet is connected with cleaning solution blend tank liquid outlet above scrubbing tower described in the utility model；Demister side
Portion's air outlet is connected with demisting blower, and bottom leakage fluid dram is connected with demister inlet.
Demister overflow port described in the utility model is connected with cleaning solution circulating tank inlet.
The utility model gas-liquid separator bottom liquid outlet is located above waste collection pond, gas-liquid separator top vent
It is connected with flash cooler lower part air inlet；Flash cooler top vent connects atmosphere, and flash cooler top water inlet is logical
It crosses washing pump to be connected with water washing cycles tank, flash cooler water inlet is connected with inside washing sprayer, flash cooler bottom
Discharge outlet is connected with water washing cycles tank, and water washing cycles tank water inlet is connected with filtering water pipeline.
Molten sulphur described in the utility model collects tank shell and has collet, leads to steam in collet；The molten sulphur stands tank
Shell has collet, has coil pipe inside internal cavities, is connected with steam in collet and coil pipe；The molten sulphur transfers tank shell and has
Gum cover has coil pipe inside internal cavities, is connected with steam in collet and coil pipe, and molten sulphur, which transfers, is equipped with submerged pump inside tank, under liquid
Material mouth is pumped out to be connected with pelletizer；Pelletizer discharge port is connected with baling press.
Using the equipment of the utility model, when the exhaust gas containing hydrogen sulfide gas enters scrubbing tower, it is washed what tower sprayed into
Contain EDTA, TEA, FeSO4,NaCO3After ingredient cleaning solution absorbs sulfiding gas in four, by the Fe in solvent+3It is catalytically oxidized to
Free sulfur, Fe+3It is reduced into Fe+2, Fe+2Fe is oxidized to by oxygen in gas again+3.These free sulfurs are separated into sulphur by centrifuge
Slurry, the sulfur slurry of generation send heater heating to become molten sulphur, then purity is made up to 99% drusen by pelletizer.
Compared with the prior art, the advantages of the utility model are: alternative processing hydrogen sulfide, does not consume a large amount of washings
Agent and do not need heating, pressurization, because cleaning solution not with CS in exhaust gas2Reaction, does not cause CS2Loss, do not influence to have high economical
It is worth CS2Recycling.Using the utility model, processing viscose glue exhaust gas is simple, and at low cost, energy consumption is small, and the rate of recovery is high.
Detailed description of the invention
Fig. 1 is the absorption partial structure diagram of the utility model；
Fig. 2 is the finishing section structural schematic diagram of the utility model.
Specific embodiment
It include scrubbing tower 1, demister 2, demisting blower 3, cleaning solution circulating tank 4, demister 5, detergent circulator in Fig. 1
6, air blower 7, foam collecting tank 8, foam delivery pump 9, centrifuge 10, sulphur slurry collecting tank 11, sulphur slurry delivery pump 12, sulphur heating
Device 13, molten sulphur separator 14, molten sulphur collecting tank 15, gas-liquid separator 16, waste collection pond 17, molten sulphur stand tank 18, molten sulphur turns
Tank sending 19, submerged pump 20, pelletizer 21, baling press 22, cleaning solution blend tank 23, flash cooler 24, water washing cycles tank 25, water
Wash pump 26.Viscose glue exhaust pipe (sulfide hydrogen exhaust gas) is connected with 1 lower part air inlet of scrubbing tower, 1 top gas outlet of scrubbing tower with
2 air inlet of demister is connected.Scrubbing tower 1 has three, upper, middle and lower portion inlet, and three layers of cleaning solution spray are housed inside scrubbing tower 1
Device constitutes three layers of sprinkling scrubbing section, and each inlet is connected with the conical nozzle of cleaning solution spray device inside scrubbing tower, washs
Solution enters three layers of sprinkling scrubbing section in tower from three, scrubbing tower upper, middle and lower portion inlet, to the stink damp in viscose glue exhaust gas
Body is absorbed.Three inlets of scrubbing tower 1 are connected by detergent circulator 6 with 4 liquid outlet of cleaning solution circulating tank, are washed
1 bottom liquid outlet of tower is connected with 4 inlet of cleaning solution circulating tank and 5 inlet of demister respectively.1 top inlet of scrubbing tower point
Branch is connected with 23 liquid outlet of cleaning solution blend tank.2 side air outlet of demister is connected with demisting blower 3, bottom leakage fluid dram with remove
5 inlet of foam device is connected.5 bottom of demister is connected to multiple rows of air inlet mouth of pipe, these air inlet mouth of pipe are connected with air blower 7, demister 7
Upper part discharge port is connected with 8 feed inlet of foam collecting tank, and 5 overflow port of demister is connected with 4 inlet of cleaning solution circulating tank.Foam
8 discharge port of collecting tank is connected by foam delivery pump 9 with 10 feed inlet of centrifuge.10 discharge port of centrifuge and sulphur starch collecting tank 11
Feed inlet is connected, and 10 discharge channel of centrifuge is connected with 5 feed inlet of demister.Sulphur slurry collecting tank 11 adds hose nozzle and soft water
Pipeline is connected, and sulphur starches 11 discharge port of collecting tank and is connected by sulphur slurry delivery pump 12 with 13 top feed mouth of sulphur heater.
In Fig. 2, sulphur starches 11 discharge port of collecting tank and is connected by sulphur slurry delivery pump 12 with 13 top feed mouth of sulphur heater；
13 heating gate of sulphur heater is connected with steam-heating pipe line, top liquid outlet and lower part the discharge port difference of sulphur heater 13
It is connected with the feed inlet of the top inlet of molten sulphur separator 14 and bottom.Molten 14 heater nozzle of sulphur separator and steam pipe line
Be connected, lower part discharge port is connected with molten sulphur collecting tank 15, molten 14 top discard solution discharge port of sulphur separator and gas-liquid separator 16 into
Material mouth is connected.16 bottom liquid outlet of gas-liquid separator be located at waste collection pond 17 be connected, 16 top vent of gas-liquid separator with
24 lower part air inlet of flash cooler is connected.24 top vent of flash cooler connects atmosphere, the water inlet of 24 top of flash cooler
Mouth is connected by washing pump 26 with water washing cycles tank 25, and 24 water inlet of flash cooler washs sprayer with inside and is connected, and is flashed
25 bottom discharge mouth of cooler is connected with 25 water inlet of water washing cycles tank, 25 water inlet of water washing cycles tank also with filtering water pipeline phase
Even.Molten 15 shell of sulphur collecting tank has collet, leads to steam in collet.Molten 15 lower part discharge port of sulphur collecting tank and molten sulphur stand tank 18
Feed inlet is connected.Molten sulphur stands 18 shell of tank and has gum cover, has coil pipe inside internal cavities, is connected with steam in collet and coil pipe.
Molten sulphur stands 18 upper part discharge port of tank and is connected with molten sulphur transfer 19 feed inlet of tank.Molten sulphur transfers 19 shell of tank and has gum cover, internal
Cavity inside has coil pipe, is connected with steam in collet and coil pipe.Inside is equipped with submerged pump 20,20 discharge port of submerged pump and pelletizer
21 are connected.21 discharge port of pelletizer is connected with baling press 22.
The first cleaning solution of concentration deployed in cleaning solution circulating tank 4, opening detergent circulator 6 makes cleaning solution from washing
Three, 1 upper, middle and lower portion of tower inlet enters three layers of sprinkling scrubbing section in scrubbing tower 1, then flows back into washing from 1 bottom of scrubbing tower
Liquid circulating tank 4.A branch pipe of 1 top inlet tube of scrubbing tower point is connected with cleaning solution blend tank 23, and access washing seasoning liquid is used for
The cleaning solution being lost in supplement subsequent reactions and separation process.It opens demisting blower 3 and draws the gas containing hydrogen sulfide from scrubbing tower 1
Lower part enters scrubbing tower 1, these gases are after passing through three layers of sprinkling scrubbing section, and 98% hydrogen sulfide is washed liquid removal in gas,
Free sulfur is converted to be mixed into the cleaning solution of reflux.The gas of scrubbing tower 1 first introduces demister 2 by demisting blower 3 and goes degasification out
Then the cleaning solution adsorbed in body is excluded by demisting blower 3.These enter demister 5 from 2 separating, washing liquid stream of demister.
The cleaning solution flowed out from 1 bottom liquid outlet of scrubbing tower largely flows back into cleaning solution circulating tank 4.Wherein small part
It is diverted in demister 5.The cleaning solution amount containing sulphur of the shunting of this part is just suitable with sulphur amount is increased in cleaning solution newly, in this way
The stabilization of 4 amount containing sulphur of cleaning solution circulating tank can be kept, while newly-increased sulphur can also be transferred out.
The bubble air bearing that sulphur liquid is passed through in demister 5 in demister 5 is to the surface of demister 5, then by foam removal
The spiral scraper of 6 upper liquid surface of device installation, which scrapes, flows to foam collecting tank 8.And cleaning solution extra in demister 5 from
5 overflow port of demister flows back to cleaning solution circulating tank 4.
Foam collecting tank 8 is equipped with blender, plays the purpose for preventing sulphur from precipitating.Sulphur liquid in foam collecting tank 8
Body is sent to centrifuge 10 by foam delivery pump 9, and the sulfur slurry for the concentration that centrifuge 10 is isolated is sent to sulphur slurry and collects
Tank 11, the cleaning solution that centrifuge 10 is isolated send demister 5 back to again.
Sulphur starches collecting tank 11 and soft water is added, and will contain the dilution of sulphur strength of fluid, after mixing evenly, starches delivery pump 12 by sulphur
It is sent into 13 enclosure interior of sulphur heater.
13 shell interlayer of sulphur heater and the heating tube of internal insertion are connected with steam, inside entrance sulphur heater 13
Liquid containing sulphur heating.Sulphur melted by heat sinks to 13 bottom of sulphur heater at liquid, and passes through 13 bottom of sulphur heater
Portion's discharge port enters molten 14 cavity lower part of sulphur separator, and 13 top light liquid of sulphur heater passes through 13 liquid outlet of sulphur heater
Into molten 14 cavity top of sulphur separator.
Molten 14 shell interlayer of sulphur separator and the heating tube of internal insertion are connected with steam, play to the molten sulphur and light liquid come in
Heating and thermal insulation and isolated purpose.The molten sulphur that molten 14 bottom of sulphur separator is isolated enters molten sulphur collecting tank 15, melts sulphur separator
14 top light liquids extrude at the top of molten sulphur separator 14 enters gas-liquid separator 16.
Molten 15 shell of sulphur collecting tank has collet, is connected with steam in collet.Play the role of to sulphur heat preservation molten in tank body,
The device is also used for the purpose tentatively staticly settled to molten sulphur liquid.The molten sulphur that molten sulphur collecting tank 15 comes out is sent to molten sulphur and stands tank
18.The purpose of gas-liquid separator 16 is will to enter light liquid to carry out aqueous vapor separation, and the light liquid and impurity isolated are from gas-liquid separator
Bottom falls into waste collection pond 17, then flows to sewage treatment plant from waste collection pond 17.It is cold that the gas isolated is sent into flash distillation
But device 24.
Washing spraying device is installed, water washing cycles tank 25 was provided with drainage, water washing cycles inside flash cooler 24
Water is sent to the washing spraying device of flash cooler 24 by washing pump 26 by tank outlet, and the water mist of sprinkling is to from flash cooler 24
The tail gas that lower part enters washs again.Tail gas after washing passes through flash cooler 24 and is discharged from top.
Molten sulphur stands 18 shell interlayer of tank and the heating tube of internal insertion is connected with steam, plays quiet again to the molten sulphur of entrance
Set the purpose of precipitating and storage.The molten sulphur that tank 18 is discharged, which is stood, from molten sulphur enters molten sulphur transfer tank 19.
Molten sulphur transfers 19 shell interlayer of tank and the heating tube of internal insertion is connected with steam.Inside is equipped with submerged pump 20, melts
Sulphur is melted in sulphur transfer tank 19, and pelletizer 21 is sent to by submerged pump 20.
Pelletizer 21 is that the molten sulphur liquid that will be fed into is converted to the device of drusen, and the molten sulphur of feeding is inside pelletizer
It is subdivided into sulphur drop, and through supercooling, is frozen into drusen, these drusens are sent to baling press 22.Baling press
22 drusens that will be fed into are packaged.
Claims (6)
1. one kind handles H from viscose glue exhaust gas2The device of S Recovered sulphur, it is characterised in that: viscose glue exhaust pipe and scrubbing tower (1)
Lower part air inlet is connected, gas outlet is connected with demister (2) air inlet at the top of scrubbing tower (1)；Scrubbing tower (1) inlet is by washing
It washs liquid circulating pump (6) to be connected with cleaning solution circulating tank (4) liquid outlet, cleaning solution spray device, cleaning solution is housed inside scrubbing tower (1)
Sprayer is connected with scrubbing tower (1) inlet, scrubbing tower (1) bottom liquid outlet respectively with cleaning solution circulating tank (4) inlet and
Demister (5) inlet is connected；Demister (5) bottom is connected to air inlet mouth of pipe, and air inlet mouth of pipe is connected with air blower (7), demister
(5) upper part discharge port is connected with foam collecting tank (8) feed inlet, foam collecting tank (8) discharge port by foam delivery pump (9) with
Centrifuge (10) feed inlet is connected；Centrifuge (10) discharge port is connected with sulphur slurry collecting tank (11) feed inlet；Sulphur starches collecting tank
(11) discharge port is connected by sulphur slurry delivery pump (12) with sulphur heater (13) top feed mouth；Sulphur heater (13) it is upper
Portion's liquid outlet and lower part discharge port are connected with the feed inlet of the top inlet of molten sulphur separator (14) and bottom respectively；Molten sulphur content
It is connected from device (14) lower part discharge port with molten sulphur collecting tank (15), melts discard solution discharge port and gas-liquid separation at the top of sulphur separator (14)
Device (16) feed inlet is connected；Molten sulphur collecting tank (15) lower part discharge port stands tank (18) feed inlet with molten sulphur and is connected；Molten sulphur is stood
Tank (18) upper part discharge port transfers tank (19) feed inlet with molten sulphur and is connected.
2. handling H from viscose glue exhaust gas according to claim 12The device of S Recovered sulphur, it is characterised in that: the scrubbing tower
(1) inlet is three, upper, middle and lower portion inlet, and there are three cleaning solution spray device, three cleaning solutions for dress inside scrubbing tower (1)
Sprayer is connected with corresponding inlet respectively.
3. handling H from viscose glue exhaust gas according to claim 12The device of S Recovered sulphur, it is characterised in that: the scrubbing tower
(1) top one branch of inlet is connected with cleaning solution blend tank (23) liquid outlet；Demister (2) side air outlet and demisting blower
(3) it is connected, bottom leakage fluid dram is connected with demister (5) inlet.
4. handling H from viscose glue exhaust gas according to claim 12The device of S Recovered sulphur, it is characterised in that: the demister
(5) overflow port is connected with cleaning solution circulating tank (4) inlet.
5. handling H from viscose glue exhaust gas according to claim 12The device of S Recovered sulphur, it is characterised in that: gas-liquid separator
(16) bottom liquid outlet is located above waste collection pond (17), gas-liquid separator (16) top vent and flash cooler (24)
Lower part air inlet is connected；Flash cooler (24) top vent connects atmosphere, and flash cooler (24) top water inlet passes through water
It washes pump (26) to be connected with water washing cycles tank (25), flash cooler (24) water inlet is connected with inside washing sprayer, flashes cold
But device (24) bottom discharge mouth is connected with water washing cycles tank (25), and water washing cycles tank (25) water inlet is connected with filtering water pipeline.
6. handling H from viscose glue exhaust gas according to claim 12The device of S Recovered sulphur, it is characterised in that: the molten sulphur
Collecting tank (15) shell has collet, leads to steam in collet；
The molten sulphur stands tank (18) shell and has collet, has coil pipe inside internal cavities, is connected with steam in collet and coil pipe；
The molten sulphur transfers tank (19) shell and has gum cover, has coil pipe inside internal cavities, is connected with steam in collet and coil pipe,
Molten sulphur transfers to be equipped with submerged pump (20) inside tank (19), and submerged pump (20) discharge port is connected with pelletizer (21)；Pelletizer
(21) discharge port is connected with baling press (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920139575.XU CN209583632U (en) | 2019-01-28 | 2019-01-28 | A kind of device handling H2S Recovered sulphur from viscose glue exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920139575.XU CN209583632U (en) | 2019-01-28 | 2019-01-28 | A kind of device handling H2S Recovered sulphur from viscose glue exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209583632U true CN209583632U (en) | 2019-11-05 |
Family
ID=68380834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920139575.XU Active CN209583632U (en) | 2019-01-28 | 2019-01-28 | A kind of device handling H2S Recovered sulphur from viscose glue exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209583632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655042A (en) * | 2019-01-28 | 2020-01-07 | 博拉经纬纤维有限公司 | Method and device for recovering hydrogen sulfide gas from viscose waste gas to prepare sulfur |
-
2019
- 2019-01-28 CN CN201920139575.XU patent/CN209583632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655042A (en) * | 2019-01-28 | 2020-01-07 | 博拉经纬纤维有限公司 | Method and device for recovering hydrogen sulfide gas from viscose waste gas to prepare sulfur |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101637685B (en) | Comprehensive treatment method of sulfur-containing flue gas | |
| CN201231130Y (en) | Flue gas desulfurization device for producing ammonia sulfate fertilizer | |
| CN101230294A (en) | Tannin extract (tannin) desulfurization equipment and technique thereof | |
| CN103961996B (en) | A kind of method of tower case gas cleaning | |
| CN102755823A (en) | Method for desulfurizing high-sulphur boiler flue gas to prepare high-purity ammonium bisulfite | |
| CN206082112U (en) | Reverse -flow scrubbing tower | |
| CN109929583A (en) | A kind of device and method of the liquid hydrocarbon mercaptan removal alkali liquid regeneration of tail gas zero-emission | |
| CN108079762A (en) | Flue gas desulphurization system and the method that flue gas desulfurization is carried out using the flue gas desulphurization system | |
| CN206366302U (en) | Waste gas pre-treating device | |
| CN105879606A (en) | Sulfur blockage preventing system based on wet redox desulfurization process | |
| CN109966879A (en) | The method and apparatus of sulphur tail gas after incineration sodium method deep desulfuration control alkali | |
| CN209583632U (en) | A kind of device handling H2S Recovered sulphur from viscose glue exhaust gas | |
| CN206793364U (en) | The ammonia process of desulfurization saves the device more than one times | |
| CN110655042A (en) | Method and device for recovering hydrogen sulfide gas from viscose waste gas to prepare sulfur | |
| CN100450586C (en) | Process for removing hydrogen sulphide from carbon bisulfide waste gas and apparatus therefor | |
| CN206587581U (en) | A kind of efficient desulfurizing tower | |
| CN210699496U (en) | Device for removing acid gas in ethane cracking gas | |
| CN201664576U (en) | Apparatus for removing sulfur dioxide in flue gas by ammonia water | |
| CN110482764A (en) | The regenerative system of raffinate in hydrogen dioxide solution production by anthraquinone process technique | |
| CN106672904A (en) | Method for comprehensively treating sulfur-containing flue gas and solid waste abraum salt | |
| CN216825595U (en) | Internal circulation flue gas dust removal and desulfurization device | |
| CN210752010U (en) | Desulphurization unit of sulphur process gas among hydrogen fluoride preparation process | |
| CN203853003U (en) | Smoke desulfurization, denitration and demercuration system with organic absorbent method | |
| CN211752593U (en) | EO takes off aldehyde refining plant in ethylene oxide production | |
| CN105944561B (en) | A kind of synthesis gas acid gas separation and sulfur recovery integrated apparatus and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |