CN109499353A - A kind of molten sulphur tail gas decontaminating apparatus - Google Patents
A kind of molten sulphur tail gas decontaminating apparatus Download PDFInfo
- Publication number
- CN109499353A CN109499353A CN201811317833.5A CN201811317833A CN109499353A CN 109499353 A CN109499353 A CN 109499353A CN 201811317833 A CN201811317833 A CN 201811317833A CN 109499353 A CN109499353 A CN 109499353A
- Authority
- CN
- China
- Prior art keywords
- desulfurization
- tail gas
- washing tower
- sedimentation basin
- compound washing
- 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.)
- Pending
Links
Classifications
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention provides a kind of molten sulphur tail gas decontaminating apparatus, including cooling tower, compound washing tower, sedimentation basin, air-introduced machine, immersion uniform device and circulating pump, the cooling tower is equipped with molten sulphur gas inlet, outlet and cooling water inlet, cooling water inlet and is connected by circulating pump with sedimentation basin；Compound washing tower includes gas inlet, gaseous phase outlet, liquid-phase outlet and the clean unit that compound washing tower ontology and the compound washing tower ontology are equipped with, and gas inlet is connected with the outlet of cooling tower；Gaseous phase outlet is connected with the entrance of air-introduced machine, immersion uniform device immerses the liquid level of the sedimentation basin, liquid-phase outlet is connected with the sedimentation basin, and clean unit includes catalyst filling and desulfurization spraying mechanism, and desulfurization spraying mechanism is connected by circulating pump with sedimentation basin.Again into compound washing tower after the molten advanced cooling tower of sulphur tail gas, the catalytic filler in compound washing tower completes desulfurization, while the conversion of sulfur dioxide absorbs and absorption acid mist, reduces the acid mist in tail gas.
Description
Technical field
The present invention relates to desulfurization dust separation equipment technical field more particularly to a kind of molten sulphur tail gas decontaminating apparatus.
Background technique
Currently, sulphur thawing generation can generate a large amount of tail gas in acid production with sulphur production process, it is a large amount of fine after desulfurization
Dust is difficult to dispel, to bring some new pollution problems.In solid sulfur melting process, a large amount of water vapour can be generated
With a small amount of sulfur dioxide, sulfur dust and other some gases, major part acid production with sulphur enterprise all cannot be fine at present
Solve the problems, such as this tail gas, long-standing problem enterprise.
There are the ammonia process of desulfurization and hydrogen peroxide desulfurization in the prior art, (1) ammonia process of desulfurization: tail gas reacts life in absorption tower with ammonia
At (NH4)2SO3, (NH4)2SO3Further sulfur dioxide absorption generates NH4HSO3, in tail gas because there are oxygen and acid mist, also
There is side reaction to occur to generate (NH4)2SO4；(2) sulfate of ammonia process of desulfurization production can bring tail gas chimney into and cause sulfate radical higher,
To influence acid mist measurement.Two hydrogen peroxide desulfurization: using the hydrogen peroxide of 27.5% concentration, desulfurization in tower, mistake are pumped into through metering
Hydrogen oxide by oxidizing sulfur dioxide, generates dilute sulfuric acid in an acidic solution.Hydrogen peroxide is only and sulfur dioxide generation redox is anti-
It answers, discord acid mist reaction, by peroxide passivation cannot eliminate the high problem of original acid mist from principle.And sulphur is melted in the prior art
The temperature of tail gas is excessively high to corrode compound washing tower, substantially reduce the service life of compound washing tower.
Summary of the invention
It is an object of the invention to overcome the defect of the prior art, a kind of molten sulphur tail gas decontaminating apparatus is provided, is additionally arranged
Cooling tower, again into compound washing tower after first the temperature of molten sulphur tail gas lowers；Catalytic filler in compound washing tower utilizes cigarette
Moisture, oxygen, heat and sulfur dioxide in gas generate certain density sulfuric acid, complete desulfurization, can both complete sulfur dioxide
Conversion absorb, and acid mist can be adsorbed, to reduce the acid mist in tail gas.
The present invention is implemented as follows:
The present invention provides a kind of molten sulphur tail gas decontaminating apparatus, including cooling tower, compound washing tower, sedimentation basin, air-introduced machine, leaching
Enter formula uniform device and circulating pump,
The cooling tower is equipped with molten sulphur gas inlet, outlet and cooling water inlet, and the cooling water inlet passes through described
Circulating pump is connected with the sedimentation basin；
The compound washing tower includes that the tail gas that is equipped with of compound washing tower ontology and the compound washing tower ontology enters
Mouth, gaseous phase outlet, liquid-phase outlet and clean unit, the gas inlet are connected with the outlet of the cooling tower；The gas phase
Outlet is connected with the entrance of the air-introduced machine, and the immersion uniform device immerses the liquid level of the sedimentation basin, and the liquid phase goes out
Mouth is connected with the sedimentation basin, and the clean unit includes catalyst filling and desulfurization spraying mechanism, the desulfurization spray thrower
Structure is connected by the circulating pump with the sedimentation basin.
Further, the desulfurization spraying mechanism includes desulfurization jet pipe, is evenly distributed with multiple sprays on the desulfurization jet pipe
Mouth, and the sprinkling direction of the nozzle is straight down.
Further, the desulfurization jet pipe is multilayer, and desulfurization jet pipe described in multilayer is equipped with described equally distributed multiple
Nozzle.
Further, the clean unit further includes demister and the dedusting spray knot above the demister
Structure, the dedusting spray structure are located above the demister.
Further, the catalyst filling bottom is equipped with girder, is equipped with grid on girder, is laid with two on the grid
Layer stainless steel steel wire, is placed with active carbon layer on the stainless steel steel wire, the catalyst filling is located at the active carbon
Layer top.
The invention has the following advantages:
A kind of molten sulphur tail gas decontaminating apparatus provided by the invention, desulfidation tail gas enter compound wash after cooling tower cools down
Tower is washed, desulfurization is completed in compound washing tower, the catalytic filler in compound washing tower utilizes moisture, the oxygen, heat in flue gas
And sulfur dioxide, certain density sulfuric acid is generated, desulfurization is completed, the conversion that can not only complete sulfur dioxide absorbs, but also can inhale
Attached acid mist guarantees desulfurization effect；Tail gas after absorption passes through gaseous phase outlet, is connected with the entrance of air-introduced machine, the outlet of air-introduced machine
It is connected with immersion uniform device, the liquid level in immersion uniform device immersion precipitation pond forms fluid-tight, and tail gas is made to carry out double absorption；
Liquid after absorption enters sedimentation basin by liquid-phase outlet, and clear water provides cooling to cooling tower by circulating pump from sedimentation basin outlet
Water source, and water source is provided to desulfurization spraying mechanism simultaneously.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for molten sulphur tail gas decontaminating apparatus that the embodiment of the present invention 1 provides；
Fig. 2 is the structural representation of the compound washing tower in a kind of molten sulphur tail gas decontaminating apparatus that the embodiment of the present invention 1 provides
Figure；
Fig. 3 is the structural representation of the compound washing tower in a kind of molten sulphur tail gas decontaminating apparatus that the embodiment of the present invention 2 provides
Figure；
1, cooling tower；11, sulphur gas inlet is melted；12, it exports；13, cooling water inlet；2, compound washing tower；21, compound to wash
Wash tower ontology；22, gas inlet；23, gaseous phase outlet；24, liquid-phase outlet；25, clean unit；251, catalyst filling；252,
Desulfurization spraying mechanism；253, demister；254, dedusting spray structure；255, air-flow even distributor；256, girder；257, secondary beam,
258, grid；3, sedimentation basin；4, air-introduced machine；5, immersion uniform device；6, circulating pump.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As Figure 1-Figure 2, the embodiment of the present invention provides a kind of molten sulphur tail gas decontaminating apparatus, including cooling tower 1, compound washes
Tower 2, sedimentation basin 3, air-introduced machine 4, immersion uniform device 5 and circulating pump 6 are washed,
The cooling tower 1 is equipped with molten sulphur gas inlet 11, outlet 12 and cooling water inlet 13, the cooling water inlet 13
It is connected by the circulating pump 6 with the sedimentation basin 3；
The compound washing tower 2 includes the tail that compound washing tower ontology 21 and the compound washing tower ontology are equipped with
Gas entrance 22, gaseous phase outlet 23, liquid-phase outlet 24 and clean unit 25, the outlet of the gas inlet 22 and the cooling tower 2
It is connected；The gaseous phase outlet 23 is connected with the entrance of the air-introduced machine 4, and the immersion uniform device 5 immerses the precipitating
The liquid level in pond 3, the liquid-phase outlet 24 are connected with the sedimentation basin 3, and the clean unit 25 includes 251 He of catalyst filling
Desulfurization spraying mechanism 252, the desulfurization spraying mechanism 252 are connected by the circulating pump 6 with the sedimentation basin 3.
A kind of molten sulphur tail gas decontaminating apparatus provided by the invention, desulfidation tail gas enter compound after the cooling of cooling tower 1
Scrubbing tower 2 completes desulfurization in compound washing tower 2, the catalytic filler in compound washing tower 2 using in flue gas moisture, oxygen,
Heat and sulfur dioxide generate certain density sulfuric acid, complete desulfurization, and the conversion that can not only complete sulfur dioxide absorbs, but also can
To adsorb acid mist, guarantee desulfurization effect；Tail gas after absorption passes through gaseous phase outlet 23, is connected with the entrance of air-introduced machine 4, air-introduced machine
4 outlet is connected with immersion uniform device 5, and the liquid level in 5 immersion precipitation pond 3 of immersion uniform device forms fluid-tight, carries out tail gas
Double absorption；Liquid after absorption enters sedimentation basin 3 by liquid-phase outlet 24, and clear water is exported from sedimentation basin 3 and given by circulating pump
Cooling tower 1 provides cooling water source, and provides water source to desulfurization spraying mechanism 252 simultaneously.
Preferably, as Figure 1-Figure 2, the desulfurization spraying mechanism 252 includes desulfurization jet pipe, on the desulfurization jet pipe
It is even that multiple nozzles are distributed with, and the sprinkling direction of the nozzle is straight down.The compound washing tower outer body is equipped with hydrojet
Endless tube, the extraneous liquid source of one end connection of the hydrojet endless tube (sedimentation basin outlet is connect by circulating pump with the end), separately
One end connects the desulfurization jet pipe.
Preferably, as Figure 1-Figure 2, the desulfurization jet pipe is multilayer, and desulfurization jet pipe described in multilayer is equipped with described equal
Multiple nozzles of even distribution.Every layer of nozzle covers full flow passage area, and liquid-drop diameter control is in 3mm hereinafter, high by control hydrojet
Degree extends drop fall time in molten sulphur tail gas decontaminating apparatus, improves the gas-liquid mixed time, by controlling liquid-drop diameter, improves
All drop total surface areas under same traffic, to improve gas-liquid mixed contact area.
Preferably, as Figure 1-Figure 2, the clean unit 25 further include demister 253 and be located at the demister
The dedusting spray structure 254 of top, the dedusting spray structure 254 are located at 253 top of demister.The above catalyst filling
251 and desulfurization spraying mechanism 251 guarantee desulfurization effect, and the dust removing units 25 can remove tiny of entrained in flue gas
Grain, contains the generation of aerosol.Contain a large amount of tiny particles content above compound washing tower ontology, these tiny particles contents are wet
Phenomena such as in the environment of flue gas, forming a large amount of aerosol, white cigarette hangover, chimney is caused to be rained, causes the secondary of ambient enviroment
Pollution.And can solve the above problem here, specifically, flue gas enters removing for compound washing tower body upper part after desulfurization
Day with fog 253, the fine particle of entrained with is by being adsorbed on the table of anode tube under the action of electric field force in the flue gas after making desulfurization
Face, then it is rinsed with water removal with deduster spray structure 254, to contain the generation of aerosol.
Preferably, as Figure 1-Figure 2, rectifier is additionally provided in the compound washing tower ontology.Rectifier is exchange
Electricity is converted into the device of direct current, and powers for the demister (demister) and desulfurization spraying mechanism.
Preferably, as Figure 1-Figure 2, the clean unit 25 includes air-flow even distributor 255, the air-flow even distributor
255 are located at 2 bottom of compound washing tower.Air-flow even distributor can control flue gas in compound washing tower 2 uniformly to rise, and eliminate compound
High velocity smoke is concentrated in scrubbing tower, on the one hand improves the full runner utilization efficiency of compound washing tower, is on the other hand extended flue gas and is existed
Compound washing dwell time in the tower extends gas-liquid mixed time of contact, improves gas-liquid mixed uniformity.In use process
In, after molten sulphur enters compound washing tower 2, controlled and substantially uniform distribution in the lower section of compound washing tower 2 by air-flow even distributor, shape
Rise low speed flue gas stream at uniform, flue gas utilizes the water in flue gas in the catalyst filling for rising to 2 middle part of compound washing tower
Point, oxygen, heat and sulfur dioxide, generate certain density sulfuric acid, complete desulfurization, most of oxysulfide in the process by
It absorbs, enters the top half of compound washing tower 2, continue by desulfurization spraying mechanism washing, purifying.Flue gas is sprayed across desulfurization
Leaching mechanism carries portion washes liquid and enters demister 253, and demister 253 will be carried using principle of inertia in purified flue gas
Cleaning solution capture, the fine particle of entrained with is by being adsorbed on sun under the action of electric field force in the flue gas after making desulfurization
The surface of pole pipe, then it is rinsed with water removal with deduster spray structure 254, to contain the generation of aerosol, it is net to complete flue gas
Change process, flue gas after purified treatment is from 23 discharge of top gas phase outlet.
Embodiment 2
As shown in figure 3, the embodiment of the present invention provides a kind of molten sulphur tail gas decontaminating apparatus, on the basis of embodiment 1 into one
It walks and structure design is carried out to the catalyst filling part in compound washing tower,
251 bottom of catalyst filling is equipped with girder 256, is equipped with grid 258 on girder 256, on the grid 258
It is laid with two layers of stainless steel steel wire, active carbon layer is placed on the stainless steel steel wire, the catalyst filling is located at described
Above active carbon layer.This design can increase desulfurization effect and can prevent from corroding body equipment and low temperature reclaimer.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of molten sulphur tail gas decontaminating apparatus, which is characterized in that including cooling tower, compound washing tower, sedimentation basin, air-introduced machine, leaching
Enter formula uniform device and circulating pump,
The cooling tower is equipped with molten sulphur gas inlet, outlet and cooling water inlet, the cooling water inlet and passes through the circulation
Pump is connected with the sedimentation basin；
The compound washing tower include compound washing tower ontology and the compound washing tower ontology be equipped with gas inlet,
Gaseous phase outlet, liquid-phase outlet and clean unit, the gas inlet are connected with the outlet of the cooling tower；The gaseous phase outlet
Be connected with the entrance of the air-introduced machine, the immersion uniform device immerses the liquid level of the sedimentation basin, the liquid-phase outlet with
The sedimentation basin is connected, and the clean unit includes catalyst filling and desulfurization spraying mechanism, and the desulfurization spraying mechanism is logical
The circulating pump is crossed to be connected with the sedimentation basin.
2. molten sulphur tail gas decontaminating apparatus as described in claim 1, which is characterized in that the desulfurization spraying mechanism includes desulfurization spray
It manages, is evenly distributed with multiple nozzles on the desulfurization jet pipe, and the sprinkling direction of the nozzle is straight down.
3. molten sulphur tail gas decontaminating apparatus as claimed in claim 2, which is characterized in that the desulfurization jet pipe is multilayer, multilayer institute
It states desulfurization jet pipe and is equipped with equally distributed multiple nozzles.
4. molten sulphur tail gas decontaminating apparatus as claimed in claim 2, which is characterized in that the clean unit further include demister with
And the dedusting spray structure above the demister, the dedusting spray structure are located above the demister.
5. molten sulphur tail gas decontaminating apparatus as described in claim 1, which is characterized in that the clean unit includes airflow uniform distribution
Device, the air-flow even distributor are located at the compound washing tower bottom.
6. molten sulphur tail gas decontaminating apparatus as described in claim 1, it is characterised in that: the catalyst filling bottom is equipped with master
Beam is equipped with grid on girder, two layers of stainless steel steel wire is laid on the grid, is placed with work on the stainless steel steel wire
Property layer of charcoal, the catalyst filling is located above the active carbon layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811317833.5A CN109499353A (en) | 2018-11-07 | 2018-11-07 | A kind of molten sulphur tail gas decontaminating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811317833.5A CN109499353A (en) | 2018-11-07 | 2018-11-07 | A kind of molten sulphur tail gas decontaminating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109499353A true CN109499353A (en) | 2019-03-22 |
Family
ID=65747777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811317833.5A Pending CN109499353A (en) | 2018-11-07 | 2018-11-07 | A kind of molten sulphur tail gas decontaminating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109499353A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546821A (en) * | 2020-11-03 | 2021-03-26 | 蒋昊昀 | Continuous converting in-process sulphur recovery unit of copper matte |
| CN112657331A (en) * | 2020-12-31 | 2021-04-16 | 成都达奇环境科技有限公司 | Flue gas desulfurization method and flue gas desulfurization equipment |
| CN114632418A (en) * | 2022-03-31 | 2022-06-17 | 成都达奇环境科技有限公司 | Catalytic flue gas desulfurization device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100240135A1 (en) * | 2009-03-19 | 2010-09-23 | Seeger David M | System and method for sour gas well testing |
| CN103691312A (en) * | 2013-12-16 | 2014-04-02 | 张继惟 | Efficient secondary dust removal, desulfurization and denitrification integrated flue gas purification plant |
| CN105311956A (en) * | 2015-11-13 | 2016-02-10 | 中国化学工程第六建设有限公司 | Packing-type catalytic desulfurization tower with reinforced concrete structure |
| CN206366305U (en) * | 2016-12-17 | 2017-08-01 | 云南化工设计院有限公司 | A kind of molten sulphur device for purifying and treating tail gas |
| CN206444448U (en) * | 2016-12-23 | 2017-08-29 | 中国化学工程第六建设有限公司 | A kind of material filling type catalytic desulfurization tower of stainless steel structure |
-
2018
- 2018-11-07 CN CN201811317833.5A patent/CN109499353A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100240135A1 (en) * | 2009-03-19 | 2010-09-23 | Seeger David M | System and method for sour gas well testing |
| CN103691312A (en) * | 2013-12-16 | 2014-04-02 | 张继惟 | Efficient secondary dust removal, desulfurization and denitrification integrated flue gas purification plant |
| CN105311956A (en) * | 2015-11-13 | 2016-02-10 | 中国化学工程第六建设有限公司 | Packing-type catalytic desulfurization tower with reinforced concrete structure |
| CN206366305U (en) * | 2016-12-17 | 2017-08-01 | 云南化工设计院有限公司 | A kind of molten sulphur device for purifying and treating tail gas |
| CN206444448U (en) * | 2016-12-23 | 2017-08-29 | 中国化学工程第六建设有限公司 | A kind of material filling type catalytic desulfurization tower of stainless steel structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546821A (en) * | 2020-11-03 | 2021-03-26 | 蒋昊昀 | Continuous converting in-process sulphur recovery unit of copper matte |
| CN112657331A (en) * | 2020-12-31 | 2021-04-16 | 成都达奇环境科技有限公司 | Flue gas desulfurization method and flue gas desulfurization equipment |
| CN114632418A (en) * | 2022-03-31 | 2022-06-17 | 成都达奇环境科技有限公司 | Catalytic flue gas desulfurization device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106457140B (en) | Rotation, which converges, couples ultra-clean desulphurizing and dust-removing integral system and its desulfurization and dust-removal method | |
| CN104524948B (en) | A kind of ultrasonic wave desulphurizing and dust-removing integral minimum discharge method | |
| CN101934192B (en) | Double-tower ammonia-method desulfurization process | |
| CN201609633U (en) | Ammonia flue gas desulfurization device of byproducts of ammonium hydrogen sulfite and ammonium sulfite | |
| CN203355586U (en) | Multi-stage-absorption ammonia desulphurization system | |
| CN107185329A (en) | A kind of high-effective dust-removing and device for reclaiming moisture | |
| CN107413176A (en) | A kind of ammonia process of desulfurization dedusting flue gas minimum discharge system and application | |
| CN109499353A (en) | A kind of molten sulphur tail gas decontaminating apparatus | |
| CN108479369A (en) | A kind of ultra-clean discharge ammonia desulfuration equipment and technique | |
| CN104437046B (en) | Catalytic cracking flue gas desulfurization and dust collecting process and device thereof | |
| CN207324482U (en) | Ammonia process multi-region Two-way Cycle multi-pollutant minimum discharge technique | |
| CN106474898A (en) | A kind of low-temperature denitration and the method and system of nitrogen Sulphur ressourceization utilization | |
| CN103007728A (en) | Operating method of annular pipe rotational flow wet process flue gas desulfurization tower | |
| CN207822701U (en) | A kind of high-effective dust-removing and device for reclaiming moisture | |
| CN107469580A (en) | A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant and technique | |
| CN206881489U (en) | A kind of boiler desulfurization absorption plant of flue gas deep purifying | |
| CN207478276U (en) | A kind of high cloud of dust desulfurization double tower dual-cycle plant | |
| CN105477998B (en) | A kind of low-energy-consumption high-efficiency calcium base wet-process desulfurizer and technique | |
| CN204193780U (en) | A kind of high-efficiency desulfurization absorption tower | |
| CN207755804U (en) | A kind of desulfurizing tower | |
| CN206492392U (en) | A kind of desulfurization and ultra-clean dust collecting process system | |
| CN105727712B (en) | A kind of flue gas desulfurization denitration dust-removing integrated equipment of coal-fired ceramic kiln | |
| CN209155509U (en) | A kind of novel double-channel formula ammonia type flue gas desulfurizing gas wash tower | |
| CN201249101Y (en) | Two-stage parallel spray thionizer | |
| CN206121505U (en) | Flue gas desulphurization device of zinc smelting power plant for self -supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |