CN107557794B - Circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel Polythionic acid stress corrosion three-in-one cleaning agent - Google Patents
Circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel Polythionic acid stress corrosion three-in-one cleaning agent Download PDFInfo
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Abstract
The present invention provides circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel Polythionic acid stress corrosion three-in-one cleaning agent.The three-in-one cleaning agent can be with circular regeneration, the mass ratio of each component：Oxidant 0.5 10.0%, carbonate 1.0 10.0%, ferric sulfate 1.0 10.0%, EDETATE SODIUM salt 0.1 5.0%, ethylenediamine tetraacetic methene phosphoric acid 0.1 1.0%, sodium polyphosphate 0.5 5.0%, polyacrylate 0.5 5.0%, surfactant 0.5 5.0%, antifoaming agent 0.1 1.0%, ferric citrate 0.1 1.0%, water 48.0 95.7%.The preferred hydrogen peroxide of oxidant, the preferred sodium bicarbonate of carbonate, the preferred OP 10 and LAS of surfactant, pH value are controlled between 5.0 10.0.The three-in-one cleaning agent can remove the ferrous sulfide generated in petrochemical plant at normal temperatures, the spontaneous combustion for preventing it from causing, simultaneously can remove sulphur ammonia amine it is smelly, prevent polythionic acid generation to austenite stainless steel corrosion generating means stress cracking, have the characteristics that easy to operate, dosage is few, cheap, safe efficient, environmentally friendly.
Description
Technical field
The present invention relates to petrochemical industry cleaning technique field, in particular to circular regeneration type ferrous sulfide deactivation, sulphur
The deodorization of ammonia amine, the three-in-one cleaning agent of anti-austenitic stainless steel Polythionic acid stress corrosion.
Background technology
In petrochemical industry, using device of the height containing sulfur feedstock after the production run in one period, it can generate big
The ferrous sulfide of amount and with greasy filth grease etc. be adhered to equipment on pipeline, the spontaneous combustion of the presence easily initiating device of these dirts
And generate the harmful substances such as hydrogen sulfide, sulfur dioxide；Polythionic acid is also also easy to produce, and with existing chlorion to austenite
Stainless steel corrode and generating means stress corrosion cracking phenomenon, serious threat safety inspection and causes equipment heavy losses.
Meanwhile easily generate odorant simultaneously in oil refining process, such as hydrogen sulfide, sulfurous organic compound, ammonia, organic amine or nitrogenous chemical combination
Object, when device needs shut-down (breakdown) mainteance, if purged with direct depleted of steam, will discharge into air largely poisonous and harmful has stink
Gas pollutes environment, and being trapped in the odorant in device can also come greatly into service personnel's safety belt in container
It threatens.
At present ferrous sulfide deactivation, be deodorized, prevent austenitic stainless steel polythionic acid corrosion cracking from being independent processing
Process, an an equipment even unit need two even three cleanings that process is processed as above simultaneously.In the existing stage, by
In the independence of the prior art, segmentation is needed to carry out the construction of disparity items, down period is considerably increased, increases simultaneously
The discharge capacity of maintenance expense and sewage.Ferrous sulfide deactivation, deodorant product in the market, main component is more to contain nitrogen member
Compound, the compound of chlorine element of element, the compound of nitrogen, and the use of this product can lead to sewage ammonia nitrogen after cleaning
It severely exceeds；Meanwhile the use of the compound of chlorine element, chlorion is generated in the solution, is improved to the rate of corrosion of carbon steel and is led
Austenitic stainless steel is caused to generate stress corrosion cracking.Further, since the soil content for needing to clean in device can not be adopted in advance
Sample, evaluation, the determining of cleaning agent usage amount is also only rule of thumb estimated, but the variation of system production technique, the cycle of operation, place
Reason amount, material quality, the quality purged of stopping work can all influence the consumption of cleaning agent, and there are cleaning agents in most cases to run out of,
The phenomenon that clean endpoint is also unable to reach, this has seriously affected cleaning quality.
In view of this, it is special to propose the present invention.
Invention content
The first object of the present invention is to provide a kind of circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-Ovshinsky
The three-in-one cleaning agent of body stainless steel Polythionic acid stress corrosion, three-in-one cleaning agent of the present invention can simultaneously eliminate vulcanization
Ferrous spontaneous combustion, stench, austenitic stainless steel Polythionic acid stress corrosion problem, and the cleaning agent can be with circular regenerations, effectively
Compensate for the deficiencies in the prior art.
The second object of the present invention be to provide a kind of circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine,
The preparation method of the three-in-one cleaning agent of anti-austenitic stainless steel Polythionic acid stress corrosion, preparation method processing step of the present invention
It is few, it is easy to operate, and without using complicated instrument and equipment, suitable for extensive, industrialized preparation and recycle.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
A kind of circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel Polythionic acid stress corrosion
Three-in-one cleaning agent, the three-in-one cleaning agent is mainly made of following components：Oxidant, carbonate, ferric sulfate, EDETATE SODIUM
Salt, ethylenediamine tetraacetic methene phosphoric acid, sodium polyphosphate, polyacrylate, surfactant, antifoaming agent, ferric citrate and
Water.
Preferably, according to percent by weight, circular regeneration type ferrous sulfide deactivation of the present invention, the deodorization of sulphur ammonia amine, anti-Austria
The three-in-one cleaning agent each component content of family name's body stainless steel Polythionic acid stress corrosion is as follows：Oxidant 0.5~10.0%, carbonic acid
Salt 1.0~10.0%, ferric sulfate 1.0~10.0%, EDTA sodium salts 0.1~5.0%, ethylenediamine tetraacetic methene phosphoric acid 0.1~
1.0%, sodium polyphosphate 0.5~5.0%, polyacrylate 0.5~5.0%, surfactant 0.5~5.0%, antifoaming agent
0.1~1.0%, ferric citrate 0.1~1.0% and water 47.0~95.6%.
Preferably, according to percent by weight, circular regeneration type ferrous sulfide deactivation of the present invention, the deodorization of sulphur ammonia amine, anti-Austria
The three-in-one cleaning agent each component content of family name's body stainless steel Polythionic acid stress corrosion is as follows：Oxidant 1.0~5.0%, carbonic acid
Salt 1.0~5.0%, ferric sulfate 2.0~8.0%, EDETATE SODIUM salt 1.0~2.0%, ethylenediamine tetraacetic methene phosphoric acid 0.5~1.0%,
Sodium polyphosphate 0.5~1.0%, polyacrylate 1.0~4.0%, surfactant 1.0~4.0%, antifoaming agent 0.5~
1.0%, ferric citrate 0.5~1.0% and water 68.0~91.0%.
Preferably, of the invention, circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel connect more sulphur
In the three-in-one cleaning agent of sour stress corrosion, the oxidant is one or both of hydrogen peroxide, potassium permanganate.
Preferably, of the invention, circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel connect more sulphur
In the three-in-one cleaning agent of sour stress corrosion, the carbonate is one or both of sodium bicarbonate, sodium carbonate.
Preferably, of the invention, circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel connect more sulphur
In the three-in-one cleaning agent of sour stress corrosion, the surfactant is dodecyl benzene sulfonate, lauryl sulfate, ten
One kind or several in tetraalkyl sulfate, cetyl sulfate, alkyl phenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether
Kind.
Preferably, of the invention, circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel connect more sulphur
In the three-in-one cleaning agent of sour stress corrosion, the antifoaming agent is silicone emulsion, the fatty acid ester compounded object of higher alcohols, polyoxyethylene
Polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerine
One or more of ether and dimethyl silicone polymer.
Preferably, of the invention, circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel connect more sulphur
In the three-in-one cleaning agent of sour stress corrosion, the EDETATE SODIUM salt is one or both of EDTA tetrasodium salts, EDETATE DISODIUM.
Preferably, of the invention, circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel connect more sulphur
In the three-in-one cleaning agent of sour stress corrosion, the pH of the three-in-one cleaning agent is 5.0~10.0.
Meanwhile the present invention also provides the circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenite stainless
The preparation method of the three-in-one cleaning agent of steel Polythionic acid stress corrosion, includes the following steps：(a) defoaming is added in into water
Agent, stirring and dissolving；(b) surfactant, stirring and dissolving are added in into step (a) acquired solution；(c) to molten obtained by step (b)
Oxidant, carbonate, ferric sulfate, EDETATE SODIUM salt, ethylenediamine tetraacetic methene phosphoric acid, sodium polyphosphate, polypropylene are sequentially added in liquid
Hydrochlorate, ferric citrate, stirring and dissolving；(d) step (c) acquired solution is carried out pH to adjust to get the three-in-one cleaning agent.
Compared with prior art, beneficial effects of the present invention are：
Three-in-one cleaning agent of the present invention can eliminate ferrous sulfide spontaneous combustion, stench, austenitic stainless steel polythionic acid simultaneously
Stress corrosion problem, it is one multi-purpose, and cleaning charge can be reduced, the construction time is saved, reduce quantity of wastewater effluent；
Meanwhile cleaning agent of the present invention is not nitrogenous, chlorine element, cleaning waste liquid ammonia-nitrogen content can be effectively controlled, after making processing
Sewage is easily handled qualified discharge, belongs to environment-friendly cleaning agent；Since chloride ion-containing, cleaning agent of the present invention will not produce equipment
Raw stress corrosion；
Further, cleaning agent provided by the present invention being capable of live circular regeneration so that cleaning agent is always in activity
State, it is ensured that clean endpoint reaches, overcome cleaning agent estimate uncertainty in advance caused by cleaning quality risk, while also have
Easy to operate, the advantages that dosage is few, cheap, safe efficient, environmentally friendly.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person, the condition suggested according to normal condition or manufacturer carry out.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
It is single in view of presently used cleaning agent functionality, and be not difficult to handle there is only waste water, while also potential
The drawbacks such as secondary pollution, the present invention provides a kind of novel three-in-one cleaning agent, in primary cleaning process, it will be able to
Complete ferrous sulfide deactivation, the deodorization of sulphur ammonia amine (can be removed since the sulfide, ammonia or organic amine that are deposited in device are drawn
The peculiar smell risen), three processing steps such as anti-austenitic stainless steel Polythionic acid stress corrosion, meanwhile, the three-in-one cleaning of the present invention
Agent can recycle, and can not only improve the utilization ratio of cleaning agent, while also be able to realize the abundant cleaning of chemical plant installations.
Specifically, circular regeneration type ferrous sulfide deactivation of the present invention, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel polythionic acid
The three-in-one cleaning agent of stress corrosion, raw material components are as follows：Oxidant, carbonate, ferric sulfate, EDETATE SODIUM salt, ethylenediamine tetraacetic
Methene phosphoric acid, sodium polyphosphate, polyacrylate, surfactant, antifoaming agent, ferric citrate, Yi Jishui；
In the present invention, not chloride ion-containing in cleaning agent raw material used so that cleaning agent of the present invention will not make chemical plant installations
Into secondary chloride ion contamination, it is capable of providing safer cleaning method；
Meanwhile in the present invention, so as to fulfill the regeneration of three-in-one cleaning agent and recycled by cyclic regeneration device,
Cyclic regeneration device used is my house journal's device, and number of patent application 201621107559.5, the applying date is 2016 9
The moon 30, grant number are：CN206139568U, authorized announcement date 2017.5.3；Likewise, three-in-one cleaning agent of the present invention
Regeneration and circulation utilization method are also carried out according to the method in above-mentioned granted patent, and concrete operation step can also refer to this specially
The method of sharp specification specific implementation step carries out.
Preferably, according to percent by weight, in three-in-one cleaning agent of the present invention, each raw material components dosage is as follows：Oxidation
Agent 0.5~10.0%, such as can be, but be not limited to 1.0,1.5,2.0,2.5,3.0,3.5,4.0,4.5,5.0,5.5,
6.0th, 6.5,7.0,7.5,8.0,8.5,9.0 or 9.5%；Carbonate 1.0~10.0%, such as can be, but be not limited to
1.5th, 2.0,2.5,3.0,3.5,4.0,4.5,5.0,5.5,6.0,6.5,7.0,7.5,8.0,8.5,9.0 or 9.5%；Sulphur
Sour iron 1.0~10.0%, such as can be, but be not limited to 1.5,2.0,2.5,3.0,3.5,4.0,4.5,5.0,5.5,6.0,
6.5th, 7.0,7.5,8.0,8.5,9.0 or 9.5%；EDETATE SODIUM salt 0.1~5.0%, such as can be, but be not limited to 0.5,
1.0th, 1.5,2.0,2.5,3.0,3.5,4.0 or 4.5%；Ethylenediamine tetraacetic methene phosphoric acid 0.1~1.0%, such as can be,
But it is not limited to 0.2,0.3,0.4,0.5,0.6,0.7,0.8 or 0.9%；Sodium polyphosphate 0.5~5.0%, such as can be with
For, but it is not limited to 1.0,1.5,2.0,2.5,3.0,3.5,4.0 or 4.5%；Polyacrylate 0.5~5.0%, such as can
Think, but be not limited to 1.0,1.5,2.0,2.5,3.0,3.5,4.0 or 4.5%；Surfactant 0.5~5.0%, such as
It can be, but be not limited to 1.0,1.5,2.0,2.5,3.0,3.5,4.0 or 4.5%；Antifoaming agent 0.1~1.0%, such as can
Think, but be not limited to 0.2,0.3,0.4,0.5,0.6,0.7,0.8 or 0.9%；Ferric citrate 0.1~1.0%, such as
It can be, but be not limited to 0.2,0.3,0.4,0.5,0.6,0.7,0.8 or 0.9%；And water 47.0~95.6%, such as
It can be, but be not limited to 50.0,55.0,60.0,65.0,70.0,75.0,80.0,85.0,90.0 or 95.0%；
It is furthermore preferred that according to percent by weight, in three-in-one cleaning agent of the present invention, each raw material components dosage is as follows：Oxygen
Agent 1.0~5.0%, carbonate 1.0~5.0%, ferric sulfate 2.0~8.0%, EDTA sodium salts 1.0~2.0%, ethylenediamine tetraacetic
Methene phosphoric acid 0.5~1.0%, sodium polyphosphate 0.5~1.0%, polyacrylate 1.0~4.0%, surfactant 1.0~
4.0%, antifoaming agent 0.5~1.0%, ferric citrate 0.5~1.0% and water 68.0~91.0%.
And by the adjustment for each raw material components dosage, it also can further improve device cleaning effect.
Meanwhile the preparation method of three-in-one cleaning agent of the present invention is also more easy, step can refer to as follows：
(a) antifoaming agent, stirring and dissolving are added in into water, and is preferably stood after stirring and dissolving
Preferably, in order to which the preparation of cleaning agent and use are organically combined, thus can be in cyclic regeneration device
The preparation of three-in-one cleaning agent is carried out, that is, adds water in cyclic regeneration device, then, then carries out subsequent hybrid manipulation；
And cyclic regeneration device as described above is my house journal's device, number of patent application is
201621107559.5, the applying date is September in 2016 30 days, and grant number is：CN206139568U, authorized announcement date are
2017.5.3；
(b) surfactant is added in into step (a) acquired solution, stirring and dissolving, and it is preferably quiet after stirring and dissolving
It puts
(c) oxidant, carbonate, ferric sulfate, EDTA sodium salts, ethylenediamine tetraacetic are sequentially added into step (b) acquired solution
Methene phosphoric acid, sodium polyphosphate, polyacrylate, ferric citrate, stirring and dissolving；
(d) step (c) acquired solution is carried out pH to adjust to get the three-in-one cleaning agent.
And it can refer to using the flow that the application three-in-one cleaning agent is cleaned as follows：It mixes and makes in cyclic regeneration device
Standby obtained water outlet of the three-in-one cleaning agent through cyclic regeneration device enters in device to be cleaned, is subsequently used for device to be cleaned
Cleaning, cleaning agent and sewage after cleaning device enter in cyclic regeneration device, and by Cation adsorption bed to cleaning/passivation
Generated ferrous ion is adsorbed afterwards, is then ferric ion by oxidation of divalent iron ion by aeration, is improved and inhale
Attached efficiency, meanwhile, the ammonia nitrogen in sewage is subjected to oxidation processes by being aerated, regeneration cleaning agent after treatment is again introduced into
In device to be cleaned, cleaning treatment is carried out, is recycled successively.
Embodiment 1
910kg water is added in into cyclic regeneration device；Xiang Shuizhong adds in 5kg dimethyl silicone polymers, stirring and dissolving, quiet
It puts；Add surfactant 10kg OP-10 and 5kg LAS, stirring and dissolving, standing；Then it is slowly added to 5kg peroxides successively
Change hydrogen, 20kg ferric sulfate, 10kg sodium bicarbonates, 10kg EDETATE SODIUMs, 5kg ethylenediamine tetraacetic methenes phosphoric acid, 5kg sodium polyphosphates,
Then 10kg Sodium Polyacrylates, 5kg ferric citrates, stirring and dissolving adjust the pH of acquired solution, obtain 1 ton of three-in-one cleaning
Agent, pH value 8.2.
1 ton of three-in-one cleaning agent made from embodiment 1 is diluted with water 10 times, is added to volume as 50m3Removal of mercaptans system
In disulphide knockout drum, there is sharp aroma containing ferrous sulfide and thioether in disulphide knockout drum after testing.Start cycle
Regenerating unit implements wash cycles, scavenging period 6h, and 20-40 DEG C of cleaning temperature measures cleaning solution pH value.It is opened after cleaning
Equipment, detection device surface are as a result as follows：
| Detection project | Testing result | Remarks |
| PH value | 7.5 | |
| Equipment surface situation | Surface is substantially without dirt | |
| Equipment opening whether there is Wen Sheng | Without Wen Sheng | |
| Smell in equipment | Basic odorlessness | There is sharp aroma before cleaning in equipment |
Meanwhile identical equipment is cleaned using the conventional method for filling immersion, and three conjunctions are used with the application
The method that one cleaning agent carries out circular regeneration cleaning is compared, and the results are shown in table below：
By as above list data it is found that using three-in-one cleaning agent of the present invention as cleaning agent, and use circular regeneration of the present invention
Method removal of mercaptans system disulphide knockout drum is cleaned, the dosage of cleaning agent, Er Qieneng can not only be effectively reduced
Scavenging period is enough saved, reduces quantity of wastewater effluent, and can be removed by once cleaning i.e. completion ferrous sulfide deactivation, sulphur ammonia amine
Three processing steps such as smelly, anti-austenitic stainless steel Polythionic acid stress corrosion, this is compared to existing two sulphur of removal of mercaptans system
For compound knockout drum cleaning method, hence it is evident that it is more time saving and energy saving and more environmentally-friendly, it is more suitable for promoting and applying.
Embodiment 2
1770kg water is added in into cyclic regeneration device；Xiang Shuizhong adds in 10kg dimethyl silicone polymers, stirring and dissolving, quiet
It puts；Add surfactant 25kg OP-10 and 10kg LAS, stirring and dissolving, standing；Then it is slowly added to 25kg mistakes successively
Hydrogen oxide, 50kg ferric sulfate, 20kg sodium bicarbonates, 20kg EDETATE SODIUMs, 15kg ethylenediamine tetraacetic methenes phosphoric acid, 10kg poly phosphorus
Then sour sodium, 20kg Sodium Polyacrylates, 25kg ferric citrates, stirring and dissolving carry out pH adjustings to acquired solution, obtain 2 tons
Three-in-one cleaning agent, pH value 6.1.
2 tons of three-in-one cleaning agents made from embodiment 2 are diluted with water 10 times, are added to volume as 75m3Desulphurization system is rich
In liquid flash tank, there is ammonia odor taste containing ferrous sulfide and ammoniacal liquor in rich solution flash tank after testing.Start cyclic regeneration device to implement
Wash cycles, scavenging period 6h, 20-40 DEG C of cleaning temperature measure cleaning solution pH value.Equipment is opened after cleaning, detection is set
Standby surface, it is as a result as follows：
| Detection project | Testing result | Remarks |
| PH value | 6.4 | |
| Equipment surface situation | Surface is substantially without dirt | |
| Equipment opening whether there is Wen Sheng | Without Wen Sheng | |
| Smell in equipment | Basic odorlessness | There is ammonia amine stink before cleaning in equipment |
Meanwhile identical equipment is cleaned using the conventional method for filling immersion, and three conjunctions are used with the application
The method that one cleaning agent carries out circular regeneration cleaning is compared, and the results are shown in table below：
By as above list data it is found that using three-in-one cleaning agent of the present invention as cleaning agent, and use circular regeneration of the present invention
Method desulphurization system rich solution flash tank is cleaned, the dosage of cleaning agent can not only be effectively reduced, and can save
Scavenging period reduces quantity of wastewater effluent, and can complete ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-Austria by once cleaning
Three processing steps such as family name's body stainless steel Polythionic acid stress corrosion, this is cleaned compared to existing desulphurization system rich solution flash tank
It is equally also more environmentally protective for method.
Embodiment 3：
1770kg water is added in into cyclic regeneration device；Xiang Shuizhong adds in 20kg dimethyl silicone polymers, stirring and dissolving, quiet
It puts；Add surfactant 40kg OP-10 and 15kg LAS, stirring and dissolving, standing；Then it is slowly added to 20kg mistakes successively
Hydrogen oxide, 60kg ferric sulfate, 60kg sodium bicarbonates, 30kg EDETATE SODIUMs, 20kg ethylenediamine tetraacetic methenes phosphoric acid, 20kg poly phosphorus
Then sour sodium, 30kg Sodium Polyacrylates, 30kg ferric citrates, stirring and dissolving carry out pH adjustings to acquired solution, obtain 3 tons
Three-in-one cleaning agent, pH value 9.4.
3 tons of three-in-one cleaning agents made from embodiment 3 are diluted with water 10 times, are added to volume as 150m3Hydrogenation reaction
In the hot high score tank of system, contain ferrous sulfide and polythionic acid in hot high score tank after testing.Start cyclic regeneration device implementation to follow
Ring cleans, scavenging period 6h, 20-40 DEG C of cleaning temperature, measures cleaning solution pH value.Equipment, detection device are opened after cleaning
Surface, it is as a result as follows：
| Detection project | Testing result | Remarks |
| PH value | 8.7 | |
| Equipment surface situation | Surface is substantially without dirt | |
| Equipment opening whether there is Wen Sheng | Without Wen Sheng | |
| Equipment opening whether there is stress corrosion cracking | Stress-free corrosion cracks |
Meanwhile identical equipment is cleaned using the conventional method for filling immersion, and three conjunctions are used with the application
The method that one cleaning agent carries out circular regeneration cleaning is compared, and the results are shown in table below：
By as above list data it is found that using three-in-one cleaning agent of the present invention as cleaning agent, and use circular regeneration of the present invention
Method to hydrogenation reaction system, hot high score tank cleans, the dosage of cleaning agent can not only be effectively reduced, and can save
About scavenging period, reduces quantity of wastewater effluent, and can complete the ferrous sulfide deactivation, deodorization of sulphur ammonia amine, anti-by once cleaning
Three processing steps such as austenitic stainless steel Polythionic acid stress corrosion, this is compared to the hot high score tank of existing hydrogenation reaction system
For cleaning method, hence it is evident that safer environmental protection, and can effectively reduce cleaning and maintenance cost.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from the present invention's
Many other change and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (9)
1. a kind of circular regeneration type ferrous sulfide deactivation, sulphur ammonia amine deodorization, anti-austenitic stainless steel Polythionic acid stress corrosion
Three-in-one cleaning agent, which is characterized in that the three-in-one cleaning agent is mainly made of following components：
Oxidant, carbonate, ferric sulfate, EDETATE SODIUM salt, ethylenediamine tetraacetic methene phosphoric acid, sodium polyphosphate, polyacrylate, surface
Activating agent, antifoaming agent, ferric citrate, Yi Jishui；According to percent by weight, each component content is as follows：
Oxidant 0.5~10.0%, carbonate 1.0~10.0%, ferric sulfate 1.0~10.0%, EDETATE SODIUM salt 0.1~5.0%,
Ethylenediamine tetraacetic methene phosphoric acid 0.1~1.0%, sodium polyphosphate 0.5~5.0%, polyacrylate 0.5~5.0%, surface-active
Agent 0.5~5.0%, antifoaming agent 0.1~1.0%, ferric citrate 0.1~1.0% and water 47.0~95.6%.
2. circular regeneration type ferrous sulfide deactivation according to claim 1, the deodorization of sulphur ammonia amine, anti-austenitic stainless steel are even more
The three-in-one cleaning agent of sulfuric acid stress corrosion, which is characterized in that according to percent by weight, each component content is as follows：
Oxidant 1.0~5.0%, carbonate 1.0~5.0%, ferric sulfate 2.0~8.0%, EDETATE SODIUM salt 1.0~2.0%, second
Four methene phosphoric acid 0.5~1.0% of diamines, sodium polyphosphate 0.5~1.0%, polyacrylate 1.0~4.0%, surfactant
1.0~4.0%, antifoaming agent 0.5~1.0%, ferric citrate 0.5~1.0% and water 68.0~91.0%.
3. circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenite according to any one of claim 1-2
The three-in-one cleaning agent of stainless steel Polythionic acid stress corrosion, which is characterized in that the oxidant is hydrogen peroxide, potassium permanganate
One or both of.
4. circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenite according to any one of claim 1-2
The three-in-one cleaning agent of stainless steel Polythionic acid stress corrosion, which is characterized in that the carbonate is sodium bicarbonate, in sodium carbonate
One or two.
5. circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenite according to any one of claim 1-2
The three-in-one cleaning agent of stainless steel Polythionic acid stress corrosion, which is characterized in that the surfactant is detergent alkylate sulphur
Hydrochlorate, lauryl sulfate, tetradecyl sulfate, cetyl sulfate, alkyl phenol polyoxyethylene ether and fatty alcohol
One or more of polyoxyethylene ether.
6. circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenite according to any one of claim 1-2
The three-in-one cleaning agent of stainless steel Polythionic acid stress corrosion, which is characterized in that the antifoaming agent is silicone emulsion, high-carbon alcohol ester
Fat acid esters compound, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether,
One or more of polyoxyethylene polyoxypropylene glycerin ether and dimethyl silicone polymer.
7. circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenite according to any one of claim 1-2
The three-in-one cleaning agent of stainless steel Polythionic acid stress corrosion, which is characterized in that the EDETATE SODIUM salt is EDTA tetrasodium salts, EDTA
One or both of disodium salt.
8. circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenite according to any one of claim 1-2
The three-in-one cleaning agent of stainless steel Polythionic acid stress corrosion, which is characterized in that the pH of the three-in-one cleaning agent for 5.0~
10.0。
9. circular regeneration type ferrous sulfide deactivation, the deodorization of sulphur ammonia amine, anti-austenite stainless described in any one of claim 1-8
The preparation method of the three-in-one cleaning agent of steel Polythionic acid stress corrosion, which is characterized in that the preparation method includes following step
Suddenly：
(a) antifoaming agent, stirring and dissolving are added in into water；
(b) surfactant, stirring and dissolving are added in into step (a) acquired solution；
(c) oxidant, carbonate, ferric sulfate, EDETATE SODIUM salt, ethylenediamine tetraacetic methene are sequentially added into step (b) acquired solution
Phosphoric acid, sodium polyphosphate, polyacrylate, ferric citrate, stirring and dissolving；
(d) step (c) acquired solution is carried out pH to adjust to get the three-in-one cleaning agent.
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| CN108441872A (en) * | 2018-03-14 | 2018-08-24 | 南京高威表面技术有限公司 | A kind of anti-austenitic stainless steel Polythionic acid stress corrosion cleaning agent |
| CN109267068B (en) * | 2018-11-22 | 2020-11-10 | 中石化炼化工程（集团）股份有限公司 | Stress corrosion cracking inhibitor, preparation method and application thereof |
| CN111545034A (en) * | 2020-05-14 | 2020-08-18 | 北京乐文科技发展有限公司 | Hydrogen sulfide cleaning deodorant and preparation and use methods thereof |
| CN111620530A (en) * | 2020-06-11 | 2020-09-04 | 南京师范大学 | Reducing iron-sulfur mixed colloid, preparation method and application thereof |
| CN112593223A (en) * | 2020-12-17 | 2021-04-02 | 南京南炼宏泰技术开发有限公司 | Composite passivation and deodorization cleaning agent and preparation method thereof |
| CN116731792B (en) * | 2023-08-14 | 2023-10-31 | 南京高威表面技术有限公司 | Ferrous sulfide passivation deodorizing and oil dirt cleaning compound cleaning agent and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255383A (en) * | 2008-03-27 | 2008-09-03 | 中国石油化工股份有限公司 | Highly effective ferrous sulfide deactivation cleaning agent |
| CN103194325A (en) * | 2013-04-25 | 2013-07-10 | 甘肃黑马石化工程有限公司 | Ferrous sulfide dirt neutral complexing cleaning agent and preparation method thereof |
| CN104263408A (en) * | 2014-10-02 | 2015-01-07 | 济南瑞东实业有限公司 | Environment-friendly composite ferrous sulfide passivator and preparation method thereof |
| CN104629945A (en) * | 2014-07-15 | 2015-05-20 | 韩刚 | Zero-emission metal and nonmetal surface cleaning agent with effects of oil removal, rust removal, scale removal, phosphorization, passivation, oxidation resistance and corrosion prevention |
| CN106221806A (en) * | 2016-08-23 | 2016-12-14 | 南京南炼宏泰技术开发有限公司 | Environment-friendly highly efficient ferrous sulfide deactivation agent and preparation method thereof |
-
2017
- 2017-09-01 CN CN201710779415.7A patent/CN107557794B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255383A (en) * | 2008-03-27 | 2008-09-03 | 中国石油化工股份有限公司 | Highly effective ferrous sulfide deactivation cleaning agent |
| CN103194325A (en) * | 2013-04-25 | 2013-07-10 | 甘肃黑马石化工程有限公司 | Ferrous sulfide dirt neutral complexing cleaning agent and preparation method thereof |
| CN104629945A (en) * | 2014-07-15 | 2015-05-20 | 韩刚 | Zero-emission metal and nonmetal surface cleaning agent with effects of oil removal, rust removal, scale removal, phosphorization, passivation, oxidation resistance and corrosion prevention |
| CN104263408A (en) * | 2014-10-02 | 2015-01-07 | 济南瑞东实业有限公司 | Environment-friendly composite ferrous sulfide passivator and preparation method thereof |
| CN106221806A (en) * | 2016-08-23 | 2016-12-14 | 南京南炼宏泰技术开发有限公司 | Environment-friendly highly efficient ferrous sulfide deactivation agent and preparation method thereof |
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