CN108179075A - A kind of cleaning agent, preparation method and the usage suitable for garbage leachate evaporator - Google Patents
A kind of cleaning agent, preparation method and the usage suitable for garbage leachate evaporator Download PDFInfo
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- CN108179075A CN108179075A CN201711429664.XA CN201711429664A CN108179075A CN 108179075 A CN108179075 A CN 108179075A CN 201711429664 A CN201711429664 A CN 201711429664A CN 108179075 A CN108179075 A CN 108179075A
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- Prior art keywords
- cleaning agent
- cleaning
- garbage leachate
- evaporator
- leachate evaporator
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- 239000012459 cleaning agent Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 11
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 claims abstract description 9
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 7
- 229920005573 silicon-containing polymer Polymers 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 40
- 230000007797 corrosion Effects 0.000 claims description 23
- 238000005260 corrosion Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 239000002360 explosive Substances 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000002000 scavenging effect Effects 0.000 claims description 4
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 3
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 3
- 229960004011 methenamine Drugs 0.000 claims description 3
- 239000006210 lotion Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000000149 chemical water pollutant Substances 0.000 abstract description 15
- 230000007423 decrease Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000001704 evaporation Methods 0.000 description 6
- 244000005700 microbiome Species 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- RIGKFHICSISZKP-UHFFFAOYSA-N [K].SC#N Chemical compound [K].SC#N RIGKFHICSISZKP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L magnesium sulphate Substances [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M sodium bicarbonate Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/08—Acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3281—Heterocyclic compounds
-
- C11D2111/20—
-
- C11D2111/44—
Abstract
The present invention provides a kind of cleaning agent, preparation method and the usage suitable for garbage leachate evaporator, suitable for the cleaning agent of garbage leachate evaporator, which is characterized in that including the following each component of weight proportion：92 97 parts of moisture；38 parts of nitric acid；0.1 0.3 parts of aniline；0.05 0.2 parts of potassium rhodanide；0.001 0.04 parts of dimethyl silicone polymer.The cleaning agent formula that the present invention is suitable for garbage leachate evaporator is simple, reasonable, the cleaning agent can effectively soften, remove the dirt of MVR evaporators generation during landfill leachate treatment, it solves due to landfill leachate treatment fouling of evaporator, caused by heat exchange efficiency decline, the problems such as energy cost increase.
Description
Technical field
The present invention relates to cleaning agent technology more particularly to a kind of cleaning agent suitable for garbage leachate evaporator, its systems
Preparation Method and purposes.
Background technology
With increasingly attention of the country to environmental protection cause, landfill leachate water quality becomes increasingly complex, in recent years Environmental Protection Agency
Continuous statutory standard for having put into effect various sewage discharge controls etc..Ammonia nitrogen is higher in landfill leachate, and BOD is relatively low, COD higher,
There are tiny suspended particulates, in the evaporation process inside evaporator, can condense less soluble dirt in heat exchange pipe surface, and
The complicated component of dirt, main component include：
1st, the impurity being dissolved in the water with lewis' acid state
A) calcium salt class：Main composition in water has Ca (HCO3)2、CaCl2、CaSO4、CaSiO3Deng.Calcium salt is to cause to change
The main component of hot device fouling.
B) magnesium salts：Main composition in water has Mg (HCO3)2、MgCl2、MgSO4Deng.After magnesium is dissolved in water, heated
Mg (OH) is generated after decomposition2Precipitation forms body refuse or incrustation scale.
C) sodium salt：Main composition has NaCl, Na2SO4、NaHCO3Deng.NaCl does not generate incrustation scale, but has free oxygen to deposit in water
It can accelerate the corrosion of metallic walls；Na2SO4Too high levels can salt crust, influence safe operation；NaHCO in water3In temperature and
Na can be decomposited under the action of pressure2CO3、NaOH、CO2, it is damaged metal grain.
2nd, with impurity existing for colloidal state
A) iron compound：Main component is Fe2O3, it can generate iron dirt.
B) microorganism：Since the water temperature of water, dissolved oxygen etc. provide microorganism the condition for being conducive to breed, microorganism will
Amount reproduction.When the temperature of recirculated water is higher, the nutriment of the medicaments such as phosphate, exactly microorganism, microorganism are added in water
Breeding not only block plate channel, sometimes can also blocking pipeline, can also make metal erosion.
C) sludge：Sludge in water, the suspended matter in dust and supplement water in air, is gradually deposited at flow velocity
In relatively low heat exchanger.
D) sticky dirt：Mainly silt, corrosion product, bacterium algae remains bond in the secretion and water of microorganism, usually
It is attached on heat exchanger wall surface.
Heat exchanger tube rate of heat exchange after fouling, which has, to decline to a great extent, and seriously affecting can between evaporation efficiency or even heat exchanger tube
It can put up a bridge, can not carry out normally evaporating operation.Therefore, cost-effective chemical cleaning medicament has the processing of landfill leachate
Significance.
Invention content
It is an object of the present invention to for current landfill leachate treatment fouling of evaporator, evaporation efficiency is seriously affected
Problem proposes a kind of cleaning agent suitable for garbage leachate evaporator, and the cleaning agent formula is simple, reasonable, the cleaning agent energy
The dirt that MVR evaporators generate during enough effective softenings, removal landfill leachate treatment, solves due at landfill leachate
Manage fouling of evaporator, caused by heat exchange efficiency decline, the problems such as energy cost increase.
To achieve the above object, the technical solution adopted by the present invention is：It is a kind of to be suitable for the clear of garbage leachate evaporator
Lotion, including the following each component of weight proportion：
Further, the cleaning agent suitable for garbage leachate evaporator, including the following each component of weight proportion：
Further, a concentration of 3-10%wt of the dust technology, preferably 5%wt.
Further, being added in dust technology has matched corrosion inhibiter, addition of the corrosion inhibiter in dust technology
For 0.1-0.5%wt, preferably 0.3%wt.
Further, the corrosion inhibiter includes：Lan-5 types corrosion inhibiter 0.3% methenamine of composition, 0.2% aniline,
0.1% potassium rhodanide；
Nitric acid cleaning agent is a kind of inorganic acid of strong oxidizing property.Nitric acid cleaning formula of liquid scale removal speed is fast, and the time is short, adds in
After corrosion inhibiter, to carbon steel, Corrosion of Stainless Steel speed is extremely low, and corrosion mitigating effect is high.
The cleaning agent of invention easily reacts with calcium, magnesium, carbonate deposit, generates readily soluble compound, makes water
Dirt dissolving；The oxide of metal surface, destruction and the combination of incrustation scale can be dissolved, makes to be attached to the incrustation scale stripping of metal oxide surface
From, and split away off；It reacts with carbonate deposit, generates a large amount of carbon dioxide, carbon dioxide gas is in overflow process
In, for the scale crust that indissoluble or dissolving are slower, power is lifted with certain, incrustation scale is made to be split away off from heat exchanger surface.By
It is dissolved in cleaning agent in the oxide of calcium, magnesium, carbonate and iron, remaining incrustation scale can become loose, it is easy to be flowed
Cleaning agent washes away, so as to achieve the purpose that scale removal.
Another object of the present invention also discloses the preparation side of the above-mentioned cleaning agent suitable for garbage leachate evaporator
Method includes the following steps：According to each ingredient measuring requirement, in order by nitric acid, aniline, potassium rhodanide, dimethyl silicone polymer
It successively adds in molten explosive barrel (the molten explosive barrels of PE) and stirs, control agitator speed is 100 revs/min, is continuously stirred 2-4 hours.
Another object of the present invention also discloses purposes of the above-mentioned cleaning agent in cleaning garbage leachate evaporator applications,
Cleaning temperature is controlled at 50-80 DEG C；Cleaning method is carried out in the method that static immersing and dynamic circulation are combined；Cleaning terminates
Afterwards, cleaned dose clean and the equipment after rinsing well in air can self-passivating, scavenging period is first static immersing 2-4h,
Then dynamic circulation 4-5h, in cleaning process sample examination clean concentration, 20-40min sample examinations are primary, when it is adjacent twice
When chemically examining concentration difference less than 0.2%, you can think that cleaning reaction terminates.
The cleaning agent formula that the present invention is suitable for garbage leachate evaporator is scientific and reasonable, and preparation method is simple and practicable,
The cleaning of garbage leachate evaporator can be widely used in, is had the following advantages compared with prior art：
The present invention is included to landfill leachate evaporator by the use of nitric acid and mating corrosion inhibiter confection as cleaning agent
The dirt on heat exchanger tube to be removed comprehensively.Patent of the present invention generates the master of dirty class substance according to landfill leachate evaporation technology
Want ingredient 1, the impurity being dissolved in the water with lewis' acid state；2nd, with impurity existing for colloidal state；And in evaporator
Portion's environmental quality：Temperature is high, and heat exchanger tube scale velocity is fast；MVR evaporation technology material characteristics：316L, titanium.Using cleaning agent pair
Landfill leachate evaporator is cleaned, and cleaning agent imitates the cleaning of the dirt in evaporator under a certain concentration, temperature condition
Fruit is good, at low cost, extremely low to equipment rate of corrosion, further solves the scale problems of landfill leachate evaporator.
To sum up, the cleaning agent that the present invention is mixed using nitric acid and corrosion inhibiter, can effectively reduce cleaning agent to metal material
The corrosion phenomenon of matter can effectively soften, remove the dirt of MVR evaporators generation during landfill leachate treatment, so as to
Reaching reduces cost, increases the efficiency of evaporator, energy saving purpose.
Description of the drawings
Fig. 1 is landfill leachate treatment fouling of evaporator figure；
Fig. 2 is the landfill leachate treatment evaporator after being cleaned using 1 cleaning agent of embodiment.
Specific embodiment
The present invention is further described with reference to embodiments：
Embodiment 1
Present embodiment discloses a kind of cleaning agent suitable for garbage leachate evaporator, including following each of weight proportion
Component：94.675 parts of moisture, 5 parts of nitric acid, 0.2 part of aniline, 0.1 part of potassium rhodanide, 0.025 part of dimethyl silicone polymer.It is described
A concentration of 5%wt of dust technology；Being added in dust technology has matched corrosion inhibiter, addition of the corrosion inhibiter in dust technology
For 0.3%wt.The corrosion inhibiter includes：Lan-5 types corrosion inhibiter forms 0.3% methenamine, 0.2% aniline, 0.1% thiocyanic acid
Potassium；
Suitable for the preparation method of the cleaning agent of garbage leachate evaporator, include the following steps：It is measured according to each ingredient
It is required that nitric acid, aniline, potassium rhodanide, dimethyl silicone polymer are successively added in molten explosive barrel and stirred in order, blender is controlled
Rotating speed is 100 revs/min, is continuously stirred 2 hours.
Above-mentioned cleaning agent is in the purposes of cleaning garbage leachate evaporator applications, cleaning temperature：It is advantageous to promote cleaning temperature
In raising scale removal effect.But if the excessively high corrosion that will aggravate cleaning solution heat exchanging device and touch liquid material of temperature, ground through experiment
Study carefully etc. and to draw a conclusion：Cleaning temperature control is advisable at 50-60 DEG C.
Cleaning method and time：Cleaning method is carried out in the method that static immersing and dynamic circulation are combined.Scavenging period
For first static immersing 2h, then dynamic circulation 3-4h.Sample examination cleans concentration (with 30min sample examinations in cleaning process
Once it is advisable), when the adjacent difference of chemical examination concentration twice is less than 0.2%, you can think that cleaning reaction terminates.
Passivation Treatment：After cleaning, incrustation scale and metal oxide most quilts (as shown in Figure 1) of heat exchanger surface
Dissolving comes off, and exposes brand-new metal, easily corrodes, therefore after cleaning, and heat exchanging device is passivated processing.Cleaned dose
Equipment after cleaning and rinsing well in air can self-passivating (as shown in Figure 2).
Embodiment 2
Present embodiment discloses a kind of cleaning agent suitable for garbage leachate evaporator, including following each of weight proportion
Component：96.67 parts of moisture, 3 parts of nitric acid, 0.2 part of aniline, 0.1 part of potassium rhodanide, 0.03 part of dimethyl silicone polymer.
Suitable for the preparation method of the cleaning agent of garbage leachate evaporator, include the following steps：It is measured according to each ingredient
It is required that nitric acid, aniline, potassium rhodanide, dimethyl silicone polymer are successively added in molten explosive barrel and stirred in order, blender is controlled
Rotating speed is 100 revs/min, is continuously stirred 3 hours.
Above-mentioned cleaning agent is in the purposes of cleaning garbage leachate evaporator applications, cleaning temperature：It is advantageous to promote cleaning temperature
In raising scale removal effect.But if the excessively high corrosion that will aggravate cleaning solution heat exchanging device and touch liquid material of temperature, ground through experiment
Study carefully etc. and to draw a conclusion：Cleaning temperature control is advisable at 70-80 DEG C.
Cleaning method and time：Cleaning method is carried out in the method that static immersing and dynamic circulation are combined.Scavenging period
For first static immersing 4h, then dynamic circulation 4-5h.Sample examination cleans concentration (with 30min sample examinations in cleaning process
Once it is advisable), when the adjacent difference of chemical examination concentration twice is less than 0.2%, you can think that cleaning reaction terminates.
Passivation Treatment：After cleaning, incrustation scale and metal oxide most quilts (as shown in Figure 1) of heat exchanger surface
Dissolving comes off, and exposes brand-new metal, easily corrodes, therefore after cleaning, and heat exchanging device is passivated processing.Cleaned dose
Equipment after cleaning and rinsing well in air can self-passivating (as shown in Figure 2).
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of cleaning agent suitable for garbage leachate evaporator, which is characterized in that including the following each component of weight proportion：
2. it is suitable for the cleaning agent of garbage leachate evaporator according to claim 1, which is characterized in that including weight proportion
Following each component：
3. it is suitable for the cleaning agent of garbage leachate evaporator according to claim 1, which is characterized in that the dust technology is dense
It spends for 3-10%wt.
4. it is suitable for the cleaning agent of garbage leachate evaporator according to claim 1, which is characterized in that added in dust technology
There is matched corrosion inhibiter, addition of the corrosion inhibiter in dust technology is 0.1-0.5%wt.
5. it is suitable for the cleaning agent of garbage leachate evaporator according to claim 4, which is characterized in that the corrosion inhibiter packet
It includes：Lan-5 types corrosion inhibiter forms 0.3% methenamine, 0.2% aniline, 0.1% potassium rhodanide；
6. described in claim 1-5 any one suitable for garbage leachate evaporator cleaning agent preparation method, including with
Lower step：According to each ingredient measuring requirement, nitric acid, aniline, potassium rhodanide, dimethyl silicone polymer are successively added in order molten
It is stirred in explosive barrel, control agitator speed is 100 revs/min, continuously stirs 2-4 hours and obtains the clear of garbage leachate evaporator
Lotion.
7. it is steamed described in claim 1-5 any one suitable for the cleaning agent of garbage leachate evaporator in cleaning garbage leachate
Send out the purposes in device field, it is characterised in that：Cleaning temperature is controlled at 50-80 DEG C；Cleaning method is with static immersing and dynamic circulation
The method being combined carries out；After cleaning, cleaned dose clean and the equipment after rinsing well in air can self-passivating,
Scavenging period is first static immersing 4h, then dynamic circulation 4-5h, and sample examination cleans concentration, 20-40min in cleaning process
Sample examination is primary, when the adjacent difference of chemical examination concentration twice is less than 0.2%, you can think that cleaning reaction terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429664.XA CN108179075A (en) | 2017-12-26 | 2017-12-26 | A kind of cleaning agent, preparation method and the usage suitable for garbage leachate evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429664.XA CN108179075A (en) | 2017-12-26 | 2017-12-26 | A kind of cleaning agent, preparation method and the usage suitable for garbage leachate evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108179075A true CN108179075A (en) | 2018-06-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711429664.XA Pending CN108179075A (en) | 2017-12-26 | 2017-12-26 | A kind of cleaning agent, preparation method and the usage suitable for garbage leachate evaporator |
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| Country | Link |
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| CN (1) | CN108179075A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350449A (en) * | 2022-01-14 | 2022-04-15 | 厦门嘉戎技术股份有限公司 | Cleaning agent and cleaning method for landfill leachate evaporator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400158A (en) * | 2010-09-14 | 2012-04-04 | 洪伟 | Pickling rust and scale remover for boiler water treatment equipment |
| CN103512421A (en) * | 2013-10-08 | 2014-01-15 | 中国铝业股份有限公司 | Method for cleaning scales of heat exchanger |
-
2017
- 2017-12-26 CN CN201711429664.XA patent/CN108179075A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400158A (en) * | 2010-09-14 | 2012-04-04 | 洪伟 | Pickling rust and scale remover for boiler water treatment equipment |
| CN103512421A (en) * | 2013-10-08 | 2014-01-15 | 中国铝业股份有限公司 | Method for cleaning scales of heat exchanger |
Non-Patent Citations (1)
| Title |
|---|
| 赵由才: "《固体废物处理与资源化技术》", 31 October 2015, 上海同济大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350449A (en) * | 2022-01-14 | 2022-04-15 | 厦门嘉戎技术股份有限公司 | Cleaning agent and cleaning method for landfill leachate evaporator |
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