CN110317642A - A kind of desulfurization regeneration sulphur foam proposition technique - Google Patents
A kind of desulfurization regeneration sulphur foam proposition technique Download PDFInfo
- Publication number
- CN110317642A CN110317642A CN201910603454.0A CN201910603454A CN110317642A CN 110317642 A CN110317642 A CN 110317642A CN 201910603454 A CN201910603454 A CN 201910603454A CN 110317642 A CN110317642 A CN 110317642A
- Authority
- CN
- China
- Prior art keywords
- sulphur
- desulfurization
- regeneration
- pipeline
- outlet
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
- Industrial Gases (AREA)
Abstract
A kind of desulfurization regeneration sulphur foam proposition technique, pass through the generation sulphur amount determined with coal gas output and concentration of hydrogen sulfide difference, control enters the sulfur removing pregnant solution amount of regeneration tank or regenerator and the desulfurization lean solution amount difference of regeneration tank or regenerator obtains the stable sulphur foam liquid containing certain concentration (20g/l~150g/l) sulphur as the amount of liquid in sulphur foam out, to meet the needs that subsequent sulphur slurry (or dry) burns relieving haperacidity, realizes and obtain the sulphur foam liquid of stable setting sulphur concentration by automatically controlling in real time.
Description
Technical field
The present invention relates to coke-stove gas wet oxidation desulfurization fields more particularly to a kind of desulfurization regeneration sulphur foam to propose work
Skill.
Background technique
Wet-type oxidation sweetening process is high-efficient with its desulfurization dehydrogenation, technical process is succinct, simple operation and other advantages exist
It is widely used during fine purification technique for coke oven gas, desulfurization regeneration divides high tower compressed air to regenerate and sprays air self-suction again
Raw two kinds of processes, which kind of either above-mentioned process of regenerating, the method for proposing sulphur foam be all by regeneration tank or
The liquid level difference of liquid level and sulphur foam that regenerator top float level meter adjusts doctor solution proposes sulphur foam liquid (concentration
Usually 50g/l~120g/l), but the sulphur consistency of foam proposed is removed and the liquid level of doctor solution and the liquid level difference of sulphur foam
Have also related with sulphur amount, foam state, defoaming effect etc. outside the Pass therefore it is not possible that de- only by float level meter adjusting
The liquid level of sulphur liquid and the liquid level difference of sulphur foam can obtain the stable sulphur foam of ratio containing sulphur, and previous sulphur foam is main
It is to obtain thick sulphur for melting sulphur or filters pressing, the concentration of sulphur foam, which changes, does not have tangible influence on subsequent operation yet, but with
Environmental requirement it is increasingly stringent, it has been main trend that the secondary salt in the sulphur and liquid in sulphur foam, which burns relieving haperacidity, therefore is wanted
The sulphur foam for asking regeneration tank or regenerator to propose must the sulfur content containing special ratios it is (or dry to meet subsequent configuration sulphur slurry
It is dry) burn requirement.
Summary of the invention
The object of the present invention is to provide a kind of desulfurization regeneration sulphur foams to propose technique, by with gas volume and disengaging coal gas sulphur
Change the generation sulphur amount that hydrogen concentration difference determines, control enters the sulfur removing pregnant solution amount and regeneration tank or regeneration out of regeneration tank or regenerator
The desulfurization lean solution amount difference of tower obtained as the amount of liquid in sulphur foam it is stable containing certain concentration (range: 20g/l~
150g/l) the sulphur foam liquid of sulphur is realized with meeting the needs that subsequent sulphur slurry (or dry) burns relieving haperacidity by automatic in real time
Control obtains the sulphur foam liquid of stable setting sulphur concentration.
To achieve the above object, the present invention is implemented with the following technical solutions:
A kind of desulfurization regeneration sulphur foam proposition technique, specifically includes:
1) by pass in and out desulfurizing tower gas volume, disengaging desulfurizing tower coal gas in hydrogen sulfide content difference determine regeneration tank or
The sulphur amount that regenerator generates, this part sulphur are exported from top sulphur foam solution and are discharged；
2) flow for entering the sulfur removing pregnant solution of regeneration tank or regenerator and out the desulfurization lean solution of regeneration tank or regenerator are controlled
Flow difference, this part residual quantity liquid sends out together with sulphur from top sulphur foam outlet；
3) according to the sulphur amount sent out from top sulphur foam outlet, the amount of liquid sent out together with sulphur in foam is determined,
So that it is determined that sulphur concentration in foam, the control of the amount of liquid enters the stream of the sulfur removing pregnant solution of regeneration tank or regenerator by control
The flow of amount and out the desulfurization lean solution of regeneration tank or regenerator is realized, to be formed in top sulphur foam outlet containing setting sulphur
The sulphur foam liquid of concentration.
The sulfur content value adjustable range of sulphur foam liquid is in 20g/l~150g/l.
The device for realizing that the technique uses includes regeneration tank, injector, desulfurization liquid pump, desulfurizing tower, desulfurization lean solution flow control
Device processed, sulfur removing pregnant solution flow controller；Gas entry connection coke-stove gas in the desulfurizing tower lower part sends pipeline, desulfurizing tower top
Gas exit connects coke-stove gas and sends out pipeline；The desulfurization tower bottom sulfur removing pregnant solution outlet passes through pipeline and doctor solution pump intake
It is connected, doctor solution pump discharge is connected by pipeline with injector entrance, and regeneration tank is protruded into injector outlet, and regeneration tank doctor solution is again
Raw lean solution outlet is connected by pipeline with desulfurizing tower top entry, and the outlet of sulphur foam solution passes through pipeline and external sulphur at the top of regeneration tank
Foaming system is connected；Sulfur removing pregnant solution flow controller is provided on pipeline between desulfurization liquid pump and injector, in regeneration tank
Desulfurization lean solution flow controller is provided on the pipeline that the outlet of desulfurization regeneration lean solution is connect with desulfurizing tower.
Realize the technique use device include regenerator, pre-mixing apparatus, desulfurization liquid pump, desulfurization lean solution flow controller,
Sulfur removing pregnant solution flow controller, desulfurizing tower；Gas entry connection coke-stove gas in the desulfurizing tower lower part sends pipeline, on desulfurizing tower
Portion's gas exit connects coke-stove gas and sends out pipeline；The desulfurization tower bottom sulfur removing pregnant solution outlet is pumped by pipeline and doctor solution
Mouth is connected, and doctor solution pump discharge is connected by pipeline with pre-mixing apparatus entrance, and pre-mixing apparatus outlet is connected with regenerator, regenerator
The outlet of desulfurization regeneration lean solution is connected by pipeline with desulfurizing tower top entry, at the top of regenerator sulphur foam outlet pass through pipeline and
External sulphur foaming system is connected；Sulfur removing pregnant solution flow controller is provided on pipeline between desulfurization liquid pump and pre-mixing apparatus,
Desulfurization lean solution flow controller is provided on the pipeline that the outlet of regenerator desulfurization regeneration lean solution is connect with desulfurizing tower.
Compared with prior art, the beneficial effects of the present invention are:
The sulphur amount that the present invention is generated according to coal gas practical sulphur removal passes in and out the sulfur removing pregnant solution of regenerating unit by control and takes off
Sulphur lean solution amount difference obtains the sulphur foam liquid of the specific concentration containing sulphur, realizes the precise and stable real-time of sulphur foam liquid sulphur concentration
It automatically controls, creates conditions for the slurry of sulphur required for accurate formulation relieving haperacidity.
Detailed description of the invention
Fig. 1 is the process flow chart of the embodiment of the present invention 1.
Fig. 2 is the process flow chart of the embodiment of the present invention 2.
In figure:: 1-a. regeneration tank, 1-b. regenerator, 2-a. injector, 2-b. pre-mixing apparatus, 3. desulfurization liquid pumps, 4. desulfurization
Lean solution flow controller, 5. sulfur removing pregnant solution flow controllers, 6. desulfurizing towers, 7. sulphur foam flow detection display devices, 1-1. are de-
Sulphur liquid regenerates lean solution outlet, 1-2. sulphur foam outlet.
Specific embodiment
Embodiments of the present invention are further illustrated with reference to the accompanying drawing:
Embodiment 1:
As shown in Figure 1, a kind of desulfurization regeneration sulphur foam proposes technique, specifically include:
1) sulfur removing pregnant solution that 6 bottom of desulfurizing tower comes out send injector 2-a sucking air mixing laggard through the pressurization of desulfurization liquid pump 3
Enter the lower part regeneration tank 1-a, sulfur removing pregnant solution is sent into after oxidation regeneration by the top regeneration tank 1-a desulfurization regeneration lean solution outlet 1-1
Desulfurizing tower 6；
2) regeneration tank is determined by the content difference of the hydrogen sulfide in the gas volume of disengaging desulfurizing tower 6, disengaging 6 coal gas of desulfurizing tower
The sulphur amount that 1-a is generated, this part sulphur are discharged from top sulphur foam solution outlet 1-2；
3) flow for entering the sulfur removing pregnant solution of regeneration tank 1-a and the out difference of the flow of the desulfurization lean solution of regeneration tank 1-a are controlled,
This part residual quantity liquid is sent out together with sulphur from top sulphur foam outlet 1-2；
4) according to the sulphur amount sent out from top sulphur foam outlet 1-2, the liquid sent out together with sulphur in foam is determined
Amount, so that it is determined that sulphur concentration in foam, the control of the amount of liquid enters the flow of the sulfur removing pregnant solution of regeneration tank 1-a by control
The flow of the desulfurization lean solution of regeneration tank 1-a is realized out, to be formed in top sulphur foam outlet 1-2 containing setting sulphur concentration
Sulphur foam liquid.
The sulfur content value adjustable range of sulphur foam liquid is in 20g/l~150g/l.
Realize that device that the technique uses includes that regeneration tank 1-a, injector 2-a, desulfurization liquid pump 3, desulfurizing tower 6, desulfurization are poor
Flow controller 4, sulfur removing pregnant solution flow controller 5；6 lower part gas entry of the desulfurizing tower connection coke-stove gas sends pipe
Road, 6 top gas exit of desulfurizing tower connect coke-stove gas and send out pipeline；6 bottom sulfur removing pregnant solution of the desulfurizing tower outlet passes through pipe
Road is connected with 3 entrance of desulfurization liquid pump, and the outlet of desulfurization liquid pump 3 is connected by pipeline with injector 2-a entrance, the outlet injector 2-a
Regeneration tank 1-a is protruded into, regeneration tank 1-a desulfurization regeneration lean solution outlet 1-1 is connected by pipeline with 6 top entry of desulfurizing tower, then
Sulphur foam outlet 1-2 is connected by pipeline with external sulphur foaming system at the top of raw slot 1-a；Desulfurization liquid pump 3 and injector 2-a it
Between pipeline on be provided with sulfur removing pregnant solution flow controller 5, in regeneration tank 1-a desulfurization regeneration lean solution outlet 1-1 and desulfurizing tower 6
Desulfurization lean solution flow controller 4 is provided on the pipeline of connection.
Embodiment 2:
As shown in Fig. 2, a kind of desulfurization regeneration sulphur foam proposes technique, specifically include:
1) sulfur removing pregnant solution that 6 bottom of desulfurizing tower comes out send pre-mixing apparatus 2-b and compressed air to mix through the pressurization of desulfurization liquid pump 3
Enter the lower part regenerator 1-b afterwards, sulfur removing pregnant solution exports 1-1 by the top regenerator 1-b desulfurization regeneration lean solution after oxidation regeneration
It is sent into desulfurizing tower 6；
2) regenerator is determined by the content difference of the hydrogen sulfide in the gas volume of disengaging desulfurizing tower 6, disengaging 6 coal gas of desulfurizing tower
The sulphur amount that 1-b is generated, this part sulphur are discharged from top sulphur foam outlet 1-2；
3) flow for entering the sulfur removing pregnant solution of regenerator 1-b and the out difference of the flow of the desulfurization lean solution of regenerator 1-b are controlled,
This part residual quantity liquid is sent out together with sulphur from top sulphur foam outlet 1-2；
4) according to the sulphur amount sent out from top sulphur foam outlet 1-2, the liquid sent out together with sulphur in foam is determined
Amount, so that it is determined that sulphur concentration in foam, the control of the amount of liquid enters the flow of the sulfur removing pregnant solution of regenerator 1-b by control
The flow of the desulfurization lean solution of regenerator 1-b is realized out, to be formed in top sulphur foam outlet 1-2 containing setting sulphur concentration
Sulphur foam liquid.
The sulfur content value adjustable range of sulphur foam liquid is in 20g/l~150g/l.
The device for realizing that the technique uses includes regenerator 1-b, pre-mixing apparatus 2-b, desulfurization liquid pump 3, desulfurization lean solution flow
Controller 4, sulfur removing pregnant solution flow controller 5, desulfurizing tower 6；6 lower part gas entry of the desulfurizing tower connection coke-stove gas sends pipe
Road, 6 top gas exit of desulfurizing tower connect coke-stove gas and send out pipeline；6 bottom sulfur removing pregnant solution of the desulfurizing tower outlet passes through pipe
Road is connected with 3 entrance of desulfurization liquid pump, and the outlet of desulfurization liquid pump 3 is connected by pipeline with pre-mixing apparatus 2-b entrance, pre-mixing apparatus 2-b
Outlet is connected with regenerator 1-b, and regenerator 1-b desulfurization regeneration lean solution exports 1-1 and passes through pipeline and 6 top entry phase of desulfurizing tower
Even, sulphur foam outlet 1-2 is connected by pipeline with external sulphur foaming system at the top of regenerator 1-b；Desulfurization liquid pump 3 with load in mixture in advance
Set and be provided with sulfur removing pregnant solution flow controller 5 on the pipeline between 2-b, regenerator 1-b desulfurization regeneration lean solution outlet 1-1 with
Desulfurization lean solution flow controller 4 is provided on the pipeline that desulfurizing tower 6 connects.
Sulphur foam flow detection display device 7 can also be arranged in the present invention on being provided with sulphur foam outlet tube road.Desulfurization
Rich solution flow controller 5, desulfurization lean solution flow controller 4 and sulphur foam flow detection display device 7 connect control system, desulfurization
Rich solution flow controller 5, desulfurization lean solution flow controller 4 pass through control system chain control.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to invention, not to the scope of the present invention
Limitation, based on the technical solutions of the present invention, those skilled in the art do not need to make the creative labor and can make
Various modifications or changes still within protection scope of the present invention.
Claims (4)
1. a kind of desulfurization regeneration sulphur foam proposes technique, which is characterized in that specifically include:
1) regeneration tank or regeneration are determined by the content difference of the hydrogen sulfide in the gas volume of disengaging desulfurizing tower, disengaging desulfurizing tower coal gas
The sulphur amount that tower generates, this part sulphur are exported from top sulphur foam solution and are discharged；
2) flow for entering the sulfur removing pregnant solution of regeneration tank or regenerator and the out stream of the desulfurization lean solution of regeneration tank or regenerator are controlled
The difference of amount, this part residual quantity liquid are sent out together with sulphur from top sulphur foam outlet；
3) according to the sulphur amount sent out from top sulphur foam outlet, the amount of liquid sent out together with sulphur in foam is determined, thus
Determine sulphur concentration in foam, the control of the amount of liquid by control enter regeneration tank or regenerator sulfur removing pregnant solution flow and
The flow of the desulfurization lean solution of regeneration tank or regenerator is realized out, to extract in top sulphur foam outlet containing setting sulphur concentration
Sulphur foam liquid.
2. a kind of desulfurization regeneration sulphur foam according to claim 1 proposes technique, which is characterized in that the sulphur of sulphur foam liquid
Sulphur content value adjustable range is in 20g/l~150g/l.
3. a kind of desulfurization regeneration sulphur foam according to claim 1 proposes technique, which is characterized in that realize that the technique uses
Device include regeneration tank, injector, desulfurization liquid pump, desulfurizing tower, desulfurization lean solution flow controller, sulfur removing pregnant solution flow control
Device；Gas entry connection coke-stove gas in the desulfurizing tower lower part sends pipeline, and desulfurizing tower top gas exit connects coke-stove gas
Send out pipeline；The desulfurization tower bottom sulfur removing pregnant solution outlet is connected by pipeline with doctor solution pump intake, and doctor solution pump discharge is logical
Piping is connected with injector entrance, and regeneration tank is protruded into injector outlet, and the outlet of regeneration tank desulfurization regeneration lean solution passes through pipeline
It is connected with desulfurizing tower top entry, the outlet of sulphur foam solution is connected by pipeline with external sulphur foaming system at the top of regeneration tank；De-
It is provided with sulfur removing pregnant solution flow controller on pipeline between sulphur liquid pump and injector, is exported in regeneration tank desulfurization regeneration lean solution
Desulfurization lean solution flow controller is provided on the pipeline connecting with desulfurizing tower.
4. a kind of desulfurization regeneration sulphur foam according to claim 1 proposes technique, which is characterized in that realize that the technique uses
Device include regenerator, pre-mixing apparatus, desulfurization liquid pump, desulfurization lean solution flow controller, sulfur removing pregnant solution flow controller, desulfurization
Tower；Gas entry connection coke-stove gas in the desulfurizing tower lower part sends pipeline, and desulfurizing tower top gas exit connects coke-stove gas
Send out pipeline；The desulfurization tower bottom sulfur removing pregnant solution outlet is connected by pipeline with doctor solution pump intake, and doctor solution pump discharge is logical
Piping is connected with pre-mixing apparatus entrance, and pre-mixing apparatus outlet is connected with regenerator, and the outlet of regenerator desulfurization regeneration lean solution is logical
Piping is connected with desulfurizing tower top entry, and sulphur foam outlet is connected by pipeline with external sulphur foaming system at the top of regenerator；
Sulfur removing pregnant solution flow controller is provided on pipeline between desulfurization liquid pump and pre-mixing apparatus, it is poor in regenerator desulfurization regeneration
Desulfurization lean solution flow controller is provided on the pipeline that liquid outlet is connect with desulfurizing tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603454.0A CN110317642B (en) | 2019-07-05 | 2019-07-05 | Extraction process of desulfurization regenerated sulfur foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603454.0A CN110317642B (en) | 2019-07-05 | 2019-07-05 | Extraction process of desulfurization regenerated sulfur foam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110317642A true CN110317642A (en) | 2019-10-11 |
| CN110317642B CN110317642B (en) | 2021-05-25 |
Family
ID=68122748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910603454.0A Active CN110317642B (en) | 2019-07-05 | 2019-07-05 | Extraction process of desulfurization regenerated sulfur foam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110317642B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940818A (en) * | 2021-02-05 | 2021-06-11 | 北京中科润宇环保科技股份有限公司 | Device and method for desulfurizing and deodorizing methane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1542785A1 (en) * | 2002-09-24 | 2005-06-22 | Kvaerner Power Oy | A method and an apparatus for processing flue gas scrubber material flows |
| JP2008200620A (en) * | 2007-02-21 | 2008-09-04 | Mitsubishi Heavy Ind Ltd | Bubble recovery apparatus and bubble recovery system |
| CN203346361U (en) * | 2013-05-21 | 2013-12-18 | 河北钢铁股份有限公司唐山分公司 | Device for extracting desulfuration foam with coking wet method |
| CN108179044A (en) * | 2017-11-22 | 2018-06-19 | 中石化石油工程技术服务有限公司 | Regenerative sulfur binding system with pressure based on wet type oxidation-reduction process |
| CN108998104A (en) * | 2018-09-07 | 2018-12-14 | 山东京博众诚清洁能源有限公司 | A kind of desulfurization regeneration system, desulphurization system and sulfur method |
-
2019
- 2019-07-05 CN CN201910603454.0A patent/CN110317642B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1542785A1 (en) * | 2002-09-24 | 2005-06-22 | Kvaerner Power Oy | A method and an apparatus for processing flue gas scrubber material flows |
| JP2008200620A (en) * | 2007-02-21 | 2008-09-04 | Mitsubishi Heavy Ind Ltd | Bubble recovery apparatus and bubble recovery system |
| CN203346361U (en) * | 2013-05-21 | 2013-12-18 | 河北钢铁股份有限公司唐山分公司 | Device for extracting desulfuration foam with coking wet method |
| CN108179044A (en) * | 2017-11-22 | 2018-06-19 | 中石化石油工程技术服务有限公司 | Regenerative sulfur binding system with pressure based on wet type oxidation-reduction process |
| CN108998104A (en) * | 2018-09-07 | 2018-12-14 | 山东京博众诚清洁能源有限公司 | A kind of desulfurization regeneration system, desulphurization system and sulfur method |
Non-Patent Citations (1)
| Title |
|---|
| 寇公主编: "《煤炭气化工程》", 31 July 1992, 北京：机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940818A (en) * | 2021-02-05 | 2021-06-11 | 北京中科润宇环保科技股份有限公司 | Device and method for desulfurizing and deodorizing methane |
| CN112940818B (en) * | 2021-02-05 | 2021-08-24 | 北京中科润宇环保科技股份有限公司 | Device and method for desulfurizing and deodorizing methane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110317642B (en) | 2021-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107185385A (en) | A kind of spuious flue gas during smelting wet dedusting of atm number, sulfur method | |
| CN110317642A (en) | A kind of desulfurization regeneration sulphur foam proposition technique | |
| CN101597529A (en) | Methane bio-desulfurization device | |
| CN109499304A (en) | The device and technique of sulfur dioxide in a kind of efficient removal coal-fired flue-gas | |
| CN208612255U (en) | A kind of desulfurization wastewater process tank | |
| CN111676068A (en) | Device and process for extracting sulfur foam on top of desulfurization regeneration tower or regeneration tank | |
| CN207385161U (en) | A kind of Multistage desulfuration device | |
| CN206996259U (en) | A kind of spuious flue gas during smelting wet dedusting of atm number, desulphurization system | |
| CN202390417U (en) | Natural gas wet-type desulfurization regeneration reactor | |
| CN214862419U (en) | Blowing gas ammonia desulfurization system | |
| CN111471498A (en) | Desulfurization integrated device and desulfurization method for accurately controlling injection amount of desulfurizer | |
| CN205084640U (en) | Desulfurizer mixing arrangement | |
| CN212396137U (en) | Demister flushing system capable of automatically adjusting water balance of desulfurizing tower | |
| CN206359488U (en) | The pressure air-dissolving of coal gas wet-type catalytic oxidation desulphurization mother solution generating apparatus again | |
| CN209451614U (en) | A kind of cement kiln desulphurization system | |
| CN206535391U (en) | A kind of embrane method Multistage desulfuration device | |
| CN113293033A (en) | System for recycling waste dilute acid generated in sulfuric acid preparation process | |
| CN206069586U (en) | Desulfurization process device to waste water | |
| CN108339400A (en) | A kind of device and method reducing doctor solution suspension sulphur concentration | |
| CN209378778U (en) | A kind of desulfuration absorbing tower accident slurries processing system | |
| CN212425974U (en) | Desulfurization integrated device for accurately controlling injection amount of desulfurizer | |
| CN205598953U (en) | Catalytic cracking flue gas dedusting and desulfurizing device | |
| CN206173018U (en) | Physics steady voltage dissolved air releaser | |
| CN110052150A (en) | Single column Two-way Cycle flue gas desulfurization AFT tower serum density or pH value measurement plasma discharge collection method and device | |
| CN204474362U (en) | A kind of new-type air-floatation air dissolving system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |