CN109364710A - A kind of cleaning agent applied to desulfurizing tower doctor solution - Google Patents
A kind of cleaning agent applied to desulfurizing tower doctor solution Download PDFInfo
- Publication number
- CN109364710A CN109364710A CN201811245869.7A CN201811245869A CN109364710A CN 109364710 A CN109364710 A CN 109364710A CN 201811245869 A CN201811245869 A CN 201811245869A CN 109364710 A CN109364710 A CN 109364710A
- Authority
- CN
- China
- Prior art keywords
- agent
- doctor solution
- desulfurizing tower
- additive
- rom
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/52—Hydrogen sulfide
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Industrial Gases (AREA)
Abstract
The invention discloses a kind of cleaning agents applied to desulfurizing tower doctor solution, it is related to technical field of petrochemical industry, the cleaning agent for being applied to desulfurizing tower doctor solution includes: chelating agent, bleeding agent, corrosion inhibiter, swelling agent, additive ROm (OH) n and water, R is benzene in additive ROm (OH) n formula, naphthalene, anthracene or heterocycle substance, m, n=0~4, under room temperature, by chelating agent, bleeding agent, corrosion inhibiter is added sequentially in water, swelling agent and additive ROm (OH) n are sequentially added after mixing evenly to dissolving to obtain the cleaning agent, its corresponding mass ratio are as follows: the chelating agent is 2.9%, the bleeding agent is 22.3%, the corrosion inhibiter is 3.3%, the swelling agent is 5.9%, additive ROm (OH) n is 24.2%, the water is 41.4 %.The present invention is by addition in the doctor solution of desulfurizing tower, sulfide and coke powder particle in doctor solution can be effectively prevented and mutually bond and adhere on filler accumulation, so as to avoid using stuffing hole blockage problem caused by wet desulfurization methods, it is at low cost, cleaning effect is good, with good application prospect.
Description
Technical field
The present invention relates to technical field of petrochemical industry more particularly to a kind of cleaning agents applied to desulfurizing tower doctor solution.
Background technique
Wet desulfurization methods removing dry gas, the hydrogen sulfide in liquefied gas, wet type desulfurizing is widely used in China's oil Refining Chemical Industry
The process of method is general are as follows: H 2 S-containing gas is entered by desulfurizing tower lower part, and top export, doctor solution is then injected by top, with original
Expect that complex reaction occurs for the hydrogen sulfide in gas, generates kinetically unstable complex, absorb the doctor solution of hydrogen sulfide by desulfurization tower bottom
Sending to sulphur unit decomposes at a certain temperature the kinetically unstable complex in doctor solution, so that desulfurization regeneration, after regeneration
Doctor solution is passed through desulfurizing tower recycling.
In realizing process of the present invention, at least there are the following problems in the prior art for inventor's discovery: since desulfurizing tower is adopted
With Pall ring filler, in use, institute's band iron sulfide and part coke powder can gradually block stuffing hole in unstripped gas, cause to take off
Sulphur tower running resistance increases, and desulfuration efficiency reduces.
Summary of the invention
In order to overcome the shortcomings of Related product in the prior art, the present invention proposes a kind of applied to the clear of desulfurizing tower doctor solution
Lotion solves the problems, such as current desulfurizing tower using filler hole plug caused by wet desulfurization methods to reduce desulfuration efficiency.
The present invention provides a kind of cleaning agents applied to desulfurizing tower doctor solution, comprising: chelating agent, bleeding agent, corrosion inhibiter,
Swelling agent, additive ROm (OH) n and water, R is benzene, naphthalene, anthracene or heterocycle substance, m, n=0 in additive ROm (OH) n formula
~4, under room temperature, chelating agent, bleeding agent, corrosion inhibiter are added sequentially in water, swelling agent is sequentially added after mixing evenly and adds
Add agent ROm (OH) n to dissolving to obtain the cleaning agent, corresponding mass ratio are as follows: the chelating agent is 2.9%, the bleeding agent
It is 22.3%, the corrosion inhibiter is 3.3%, the swelling agent is 5.9%, and additive ROm (OH) n is 24.2%, described
Water is 41.4%.
In some embodiments of the present invention, the chelating agent is hydroxyacetic acid.
In some embodiments of the present invention, the bleeding agent is tetra- sodium of EDTA.
In some embodiments of the present invention, the corrosion inhibiter is sodium bicarbonate.
In some embodiments of the present invention, the heterocycle substance is phenol, phenolsulfonate, naphthoquinones, hydroxyl
Naphthoquinone sulfonic acid salt, anthraquinone or hydroxyl anthracene sulfonic acid salt.
In some embodiments of the present invention, the swelling agent is by machine oil, oleic acid, sodium hydroxide, rosin, parallel three nitrogen of benzene
Azoles, peregal, monoethanolamine, zinc naphthenate, sodium heavy sodium sulfonate preparation, corresponding mass ratio are as follows: machine oil is 70~80%, oil
Acid is 1%, and sodium hydroxide is 1~2%, and rosin is 1.1~1.3%, and benzotriazole is 0.7~0.8%, average to add as 0.05
~0.1%, average to add as 1-2%, monoethanolamine 1%, zinc naphthenate 3%, sodium heavy sodium sulfonate is 15~20%.
Compared with prior art, the present invention has the following advantages:
Cleaning agent described in the embodiment of the present invention applied to desulfurizing tower doctor solution by addition in the doctor solution of desulfurizing tower,
It can be effectively prevented that sulfide and coke powder particle in doctor solution mutually bond and sulfide and coke powder particle adhere on filler
Accumulation, so as to avoid stuffing hole blockage problem caused by wet desulfurization methods is used, in the structure for having no need to change desulfurizing tower
On the basis of, it only can be improved the desulfuration efficiency of desulfurizing tower by the way that the cleaning agent is added in the doctor solution to reactive tank i.e., at low cost,
Cleaning effect is good, with good application prospect.
Specific embodiment
It in order to enable those skilled in the art to better understand the solution of the present invention, below will be to the skill in the embodiment of the present invention
Art scheme is clearly and completely described, it is clear that and described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.The invention can be realized in many different forms, however it is not limited to embodiment described herein, on the contrary
Ground, purpose of providing these embodiments is makes the disclosure of the present invention more thorough and comprehensive.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.Those skilled in the art explicitly and implicitly understand, implementation described herein
Example can be combined with other embodiments.
The cleaning agent applied to desulfurizing tower doctor solution includes chelating agent, bleeding agent, corrosion inhibiter, swelling agent, additive
ROm (OH) n and water under room temperature, chelating agent, bleeding agent, corrosion inhibiter are added sequentially in water, sequentially added after mixing evenly
Swelling agent and additive ROm (OH) n are to dissolving to obtain the cleaning agent, corresponding mass ratio are as follows: and the chelating agent is 2.9%,
The bleeding agent is 22.3%, and the corrosion inhibiter is 3.3%, the swelling agent is 5.9%, and additive ROm (OH) n is
24.2%, the water is 41.4%.
In embodiments of the present invention, the chelating agent is hydroxyacetic acid, and the bleeding agent is tetra- sodium of EDTA, the corrosion inhibiter
For sodium bicarbonate, certainly, in other embodiments of the invention, the chelating agent, bleeding agent, corrosion inhibiter can also be according to realities
The production requirement on border is adjusted correspondingly, however it is not limited to the above-mentioned raw material referred to.
R is benzene, naphthalene, anthracene or heterocycle substance, m, n=0~4, the heterocyclic object in additive ROm (OH) the n formula
Matter is phenol, phenolsulfonate, naphthoquinones, hydroxyl naphthoquinone sulfonate, anthraquinone or hydroxyl anthracene sulfonic acid salt etc., for example, in the present invention
In embodiment, the additive is RO (OH) 4 class benzene sulfonate.
The swelling agent is by machine oil, oleic acid, sodium hydroxide, rosin, benzotriazole, peregal, monoethanolamine, aphthenic acids
Zinc, sodium heavy sodium sulfonate preparation, corresponding mass ratio are as follows: machine oil is 70~80%, oleic acid 1%, and sodium hydroxide is 1~2%,
Rosin is 1.1~1.3%, and benzotriazole is 0.7~0.8%, average to add as 0.05~0.1%, average to add as 1-2%, one
Ethanol amine is 1%, zinc naphthenate 3%, and sodium heavy sodium sulfonate is 15~20%.
In embodiments of the present invention, the preparation process of the swelling agent are as follows: be first put into the machine oil of total amount 1/2 and oleic acid instead
It answers in kettle, is heated to 80 DEG C, stirs evenly, add rosin, prepared sodium hydrate aqueous solution is added after mixing evenly
In reaction kettle, continue stirring 3 minutes, sequentially add benzotriazole, peregal, monoethanolamine, stirs to transparent then plus surplus
Remaining 1/2 machine oil and sodium heavy sodium sulfonate, be heated up to 85 DEG C, stirring is eventually adding zinc naphthenate, is heated up to 90 DEG C to transparent,
Stirring 20 minutes, heat preservation are stirred for 1 hour, obtain the swelling agent.
Cleaning agent described in the embodiment of the present invention applied to desulfurizing tower doctor solution by addition in the doctor solution of desulfurizing tower,
It can be effectively prevented that sulfide and coke powder particle in doctor solution mutually bond and sulfide and coke powder particle adhere on filler
Accumulation, so as to avoid stuffing hole blockage problem caused by wet desulfurization methods is used, in the structure for having no need to change desulfurizing tower
On the basis of, it only can be improved the desulfuration efficiency of desulfurizing tower by the way that the cleaning agent is added in the doctor solution to reactive tank i.e., at low cost,
Cleaning effect is good, with good application prospect.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.More than
Only the embodiment of the present invention is not intended to limit the scope of the patents of the invention, although carrying out with reference to the foregoing embodiments to the present invention
Detailed description still can be to recorded in aforementioned each specific embodiment for coming for those skilled in the art
Technical solution modify, or to part of technical characteristic carry out equivalence replacement.It is all to utilize in description of the invention
Hold done equivalence replacement, be directly or indirectly used in other related technical areas, similarly protects model in the invention patent
Within enclosing.
Claims (6)
1. a kind of cleaning agent applied to desulfurizing tower doctor solution, which is characterized in that including chelating agent, bleeding agent, corrosion inhibiter, extruding
Agent, additive ROm (OH) n and water, R is benzene, naphthalene, anthracene or heterocycle substance in additive ROm (OH) n formula, m, n=0~4,
Under room temperature, chelating agent, bleeding agent, corrosion inhibiter are added sequentially in water, sequentially add swelling agent and additive after mixing evenly
ROm (OH) n is to dissolving to obtain the cleaning agent, corresponding mass ratio are as follows: the chelating agent is 2.9%, and the bleeding agent is
22.3%, the corrosion inhibiter is 3.3%, the swelling agent is 5.9%, and additive ROm (OH) n is 24.2%, the water
It is 41.4%.
2. the cleaning agent according to claim 1 applied to desulfurizing tower doctor solution, it is characterised in that: the chelating agent is hydroxyl
Guanidine-acetic acid.
3. the cleaning agent according to claim 1 applied to desulfurizing tower doctor solution, it is characterised in that: the bleeding agent is
Tetra- sodium of EDTA.
4. the cleaning agent according to claim 1 applied to desulfurizing tower doctor solution, it is characterised in that: the corrosion inhibiter is carbon
Sour hydrogen sodium.
5. the cleaning agent according to claim 1 applied to desulfurizing tower doctor solution, which is characterized in that the heterocycle substance
For phenol, phenolsulfonate, naphthoquinones, hydroxyl naphthoquinone sulfonate, anthraquinone or hydroxyl anthracene sulfonic acid salt.
6. the cleaning agent according to claim 1 applied to desulfurizing tower doctor solution, which is characterized in that the swelling agent is by machine
Oil, oleic acid, sodium hydroxide, rosin, benzotriazole, peregal, monoethanolamine, zinc naphthenate, sodium heavy sodium sulfonate preparation, it is right
The mass ratio answered are as follows: machine oil is 70~80%, oleic acid 1%, and sodium hydroxide is 1~2%, and rosin is 1.1~1.3%, benzene a pair of horses going side by side
Triazole is 0.7~0.8%, average to add as 0.05~0.1%, average to add as 1-2%, monoethanolamine 1%, and zinc naphthenate is
3%, sodium heavy sodium sulfonate is 15~20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245869.7A CN109364710A (en) | 2018-10-25 | 2018-10-25 | A kind of cleaning agent applied to desulfurizing tower doctor solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245869.7A CN109364710A (en) | 2018-10-25 | 2018-10-25 | A kind of cleaning agent applied to desulfurizing tower doctor solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109364710A true CN109364710A (en) | 2019-02-22 |
Family
ID=65401911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811245869.7A Pending CN109364710A (en) | 2018-10-25 | 2018-10-25 | A kind of cleaning agent applied to desulfurizing tower doctor solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109364710A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095755A (en) * | 1993-05-26 | 1994-11-30 | 赵文祥 | Engine oil bulking agent and preparation method thereof |
| CN1425605A (en) * | 2002-10-25 | 2003-06-25 | 南化集团研究院 | Method for preventing and resolving blockage of desulfurizing tower |
| CN103224841A (en) * | 2013-05-15 | 2013-07-31 | 大唐淮北发电厂 | Cleaning agent for desulfurized flue gas heat exchangers |
-
2018
- 2018-10-25 CN CN201811245869.7A patent/CN109364710A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095755A (en) * | 1993-05-26 | 1994-11-30 | 赵文祥 | Engine oil bulking agent and preparation method thereof |
| CN1425605A (en) * | 2002-10-25 | 2003-06-25 | 南化集团研究院 | Method for preventing and resolving blockage of desulfurizing tower |
| CN103224841A (en) * | 2013-05-15 | 2013-07-31 | 大唐淮北发电厂 | Cleaning agent for desulfurized flue gas heat exchangers |
Non-Patent Citations (1)
| Title |
|---|
| 禾志强等: "《石灰石-石膏湿法烟气脱硫优化运行》", 30 November 2011 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103537170B (en) | Desulfurization solvent of a kind of high selectivity and preparation method thereof | |
| CN104328523A (en) | Grapheme-containing viscose fiber and preparation method thereof | |
| CN101402475B (en) | Process for producing magnesium oxide/absorbent charcoal composite material and uses thereof | |
| CN104401978B (en) | A kind of preparation method of expandable sulfur-free graphite | |
| CN106283069A (en) | For oil-gas gathering and transportation corrosion inhibiter and preparation method thereof | |
| CN104177766B (en) | A kind of Graphene furane resins composite and preparation method thereof | |
| CN109364710A (en) | A kind of cleaning agent applied to desulfurizing tower doctor solution | |
| CN105175296A (en) | Method and device for producing dimethyl disulfide through oxidation of methyl mercaptan salt solution | |
| CN1876698A (en) | Production method of rubber sulfuration accelerator dibenzothiazole disulfide | |
| CN104962922B (en) | Blast-furnace top gas recovery turbine generating equipment inhibition scale remover and preparation method thereof | |
| CN103073521B (en) | Preparation method of rubber vulcanization accelerator N-tert-butyl-2-benzothiazole sulfonamide (NS) | |
| CN111592474A (en) | Preparation method of complex iron catalyst for wet desulphurization | |
| CN101294084B (en) | Air film coke quenching method | |
| CN101121685A (en) | Method for producing rubber vulcanization accelerant tetramethylthiuram sulfide | |
| CN101798278A (en) | Method for preparing thiodipropionic acid | |
| CN107892940A (en) | A kind of method that persulfate of fluid coupling containing cobalt ions carries out desulfurizing oil | |
| CN101215249A (en) | Method for producing rubber vulcanization accelerant zinc ethylphenyl dithiocarbamate | |
| CN102030694B (en) | Preparation method of thiofide TiBTM (Tetraisobutylethiuram Monosulfide) | |
| CN103586601B (en) | The preparation method of alginate for a kind of welding material | |
| CN103910665A (en) | Tellurium diethyldithiocarbamate preparation method | |
| CN106009725A (en) | Odorless waste tire rubber powder modifying agent easy to melt | |
| CN107556339A (en) | A kind of preparation method of di-isooctyl dithio zinc phosphate | |
| CN106811181A (en) | A kind of automobile engine winterization fluid | |
| CN106315577B (en) | A kind of method of sulfuric acid in removal expansible graphite | |
| CN104045550A (en) | Fumaric acid production technology |
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: 20190222 |