CN109851068A - A kind of boiler water system minimum discharge stabilizer and preparation method thereof - Google Patents
A kind of boiler water system minimum discharge stabilizer and preparation method thereof Download PDFInfo
- Publication number
- CN109851068A CN109851068A CN201910074689.5A CN201910074689A CN109851068A CN 109851068 A CN109851068 A CN 109851068A CN 201910074689 A CN201910074689 A CN 201910074689A CN 109851068 A CN109851068 A CN 109851068A
- Authority
- CN
- China
- Prior art keywords
- salt
- minimum discharge
- sodium
- boiler
- regulator
- 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
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a kind of boiler water system minimum discharge stabilizers and preparation method thereof.The minimum discharge stabilizer includes the antisludging agent mixed, corrosion inhibiter, regulator and solvent; the antisludging agent is at least one of disodium ethylene diamine tetraacetate, nitrilotriacetic acid trisodium salt salt and hydroxyl phosphinylidyne guanidine-acetic acid; the corrosion inhibiter is at least one of sodium molybdate, azo dicarbonamide and LAN-826; the regulator is at least one of sodium hydroxide, potassium hydroxide and soda ash; the solvent is desalted water, which is added in the drum of boiler.
Description
Technical field
The present invention relates to boiler feed water processing technology fields, more particularly, to a kind of boiler water system minimum discharge
Stabilizer and preparation method thereof.
Background technique
In boiler running process, generates calcium and magnesium scale in order to prevent and reduce the corrosion of water screen tube, it usually will be to furnace
Appropriate tertiary sodium phosphate is added in water, water treatment technology is referred to as phosphoric acid brine process in this furnace.The drum in 95% or more China
Boiler is still run under the furnace water condition.The solubility of phosphate in aqueous solution is related with temperature.In 10 DEG C of -120 DEG C of ranges
Interior, solubility increases with the raising of water temperature；When water temperature is raised to 120 DEG C, solubility reaches maximum value.Water temperature is such as after of continuing rising
Height, then solubility sharply declines.When the furnace coolant-temperature gage of high-temperature high-pressure boiler reaches 310 DEG C, phosphatic solubility is very little.
Therefore, for medium temperature and medium pressure boiler, national standard " GB/T 12145-2016 thermal power generation unit and steam
Power-equipment Water Vapor Quality " in regulation: the content of furnace water phosphate radical is in 5-15mg/L, and high-temperature high-pressure boiler, the limit value are dropped
To 2-10mg/L.This limit value of superpressure boiler is further reduced.
However, calcium and magnesium scale will increase, and the corrosion of water screen tube with the reduction of phosphatic solubility in furnace water
Become serious.
Accordingly, it is desirable to provide a kind of new technical solution, to solve the above technical problems.
Summary of the invention
It is an object of the present invention to provide a kind of new solutions of boiler water system minimum discharge stabilizer.
According to the first aspect of the invention, a kind of boiler water system minimum discharge stabilizer is provided.The minimum discharge
Stabilizer includes at least one of tetraacethyl disodium, nitrilotriacetic acid trisodium salt salt and hydroxyl phosphinylidyne guanidine-acetic acid, and the corrosion inhibiter is
At least one of sodium molybdate, azo dicarbonamide and LAN-826, the regulator are in sodium hydroxide, potassium hydroxide and soda ash
At least one, the solvent is desalted water, which is added in the drum of boiler.
Optionally, it is calculated according to mass percent, the antisludging agent is 20-55%, and the corrosion inhibiter is 5-20%, described
Regulator is 5-15%, and surplus is desalted water.
Optionally, the antisludging agent be nitrilotriacetic acid trisodium salt salt, the corrosion inhibiter be sodium molybdate and azo dicarbonamide, it is described
Regulator is sodium hydroxide, is calculated according to mass percent, nitrilotriacetic acid trisodium salt salt 23-35%, sodium molybdate 8-10%, azo
Diamides is 2-4%, and sodium hydroxide 7-8%, surplus is desalted water.
Optionally, the antisludging agent is disodium ethylene diamine tetraacetate and nitrilotriacetic acid trisodium salt salt, and the corrosion inhibiter is molybdic acid
Sodium and azo dicarbonamide, the regulator are sodium hydroxide, are calculated according to mass percent, disodium ethylene diamine tetraacetate 20-
38%, nitrilotriacetic acid trisodium salt salt 13-15%, sodium molybdate 8-10%, azo dicarbonamide 2-4%, sodium hydroxide 7-8%,
Surplus is desalted water.
Optionally, the antisludging agent is disodium ethylene diamine tetraacetate and hydroxyl phosphinylidyne guanidine-acetic acid, and the corrosion inhibiter is molybdic acid
Sodium, the regulator are sodium hydroxide, are calculated according to mass percent, disodium ethylene diamine tetraacetate 20-38%, nitrilotriacetic acid
Trisodium salt 10-13%, sodium molybdate 9-12%, sodium hydroxide 9-14%, surplus are desalted water.
Optionally, the antisludging agent be nitrilotriacetic acid trisodium salt salt, the corrosion inhibiter be sodium molybdate and azo dicarbonamide, it is described
Regulator is sodium hydroxide, is calculated according to mass percent, and nitrilotriacetic acid trisodium salt salt is 23%, sodium molybdate 9-12%, azo
Diamides is 2%, and sodium hydroxide 7%, surplus is desalted water.
Optionally, the antisludging agent be hydroxyl phosphinylidyne guanidine-acetic acid, the corrosion inhibiter be sodium molybdate and azo dicarbonamide, it is described
Regulator is potassium hydroxide, is calculated according to mass percent, and hydroxyl phosphinylidyne guanidine-acetic acid is 27%, sodium molybdate 8.5%, azo two
Amide is 3.0%, and potassium hydroxide 8%, surplus is desalted water.
Optionally, the antisludging agent is nitrilotriacetic acid trisodium salt salt and hydroxyl phosphinylidyne guanidine-acetic acid, and the corrosion inhibiter is sodium molybdate
And azo dicarbonamide, the regulator are potassium hydroxide and sodium hydroxide, are calculated according to mass percent, nitrilotriacetic acid trisodium salt salt
It is 13%, hydroxyl phosphinylidyne guanidine-acetic acid is 32%, sodium molybdate 6%, azo dicarbonamide 10%, potassium hydroxide 5%, hydroxide
Sodium is 8%, and surplus is desalted water.
Optionally, the addition concentration in drum is 5-15ppm.
According to another embodiment of the present disclosure, a kind of preparation side of boiler water system minimum discharge stabilizer is provided
Method.The minimum discharge stabilizer is added in the drum of boiler.The preparation method includes: to mix antisludging agent and desalted water
It closes, to form mixed liquor；Corrosion inhibiter is added into the mixed liquor, to form intermediate solution；It is added into the intermediate solution
Regulator, and be uniformly mixed.
According to one embodiment of the disclosure, which can increase substantially furnace water
Cycles of concentration, reduce boiler blowdown rate, save water resource and thermal energy, realize energy-saving and emission-reduction.
In addition, the minimum discharge stabilizer can reduce the content of silica in steam, sodium salt, in addition avoid boiler and
Silicon dirt and sodium salt dirt are generated on steam turbine (such as on the blade of steam turbine).
In addition, silica and sodium salt dirt by using the minimum discharge stabilizer, in the steam of boiler for producing out
Content be far below the standard of silica and sodium salt dirt content in national current standard in steam, to guarantee high pressure or super
High-pressure boiler can produce clean steam.The quality of steam reaches food-grade.
In addition, the minimum discharge stabilizer can remove already existing dirt in boiler in boiler running process, make to remove
The dirt gone forms the sludge of flowability.The sludge can be discharged outside boiler body by periodical blowdown.
In addition, the minimum discharge stabilizer can also effectively chelate calcium, the magnesium compound entered in boiler in boiler feedwater
And silica and sodium salt dirt in furnace, the formation of common scale, silicon dioxide dirt and sodium salt dirt is avoided, to improve boiler
The thermal efficiency, reduce the additional fuel consumption of boiler.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the stream according to the preparation method of the boiler water system minimum discharge stabilizer of one embodiment of the disclosure
Cheng Tu.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
According to one embodiment of the disclosure, a kind of boiler water system minimum discharge stabilizer is provided.The ultralow row
Putting stabilizer includes the antisludging agent mixed, corrosion inhibiter, regulator and solvent.When in use, the minimum discharge stabilizer
It is added in the drum of boiler.For example, being provided with charge pipe on drum, minimum discharge stabilizer is added to drum by pumping
In.
Slightly solubility inorganic salts in antisludging agent energy disperse water inhibit or interfere with slightly solubility inorganic salts in water screen tube, drum
Deng surface precipitating, fouling, and maintain boiler have good heat-transfer effect.
For example, antisludging agent be disodium ethylene diamine tetraacetate, nitrilotriacetic acid trisodium salt salt and hydroxyl phosphinylidyne guanidine-acetic acid at least
It is a kind of.The scale inhibition effect of above-mentioned medicament is good, and dosage is small.The mixture of above-mentioned medicament has different groups, the chela of antisludging agent
Cooperation use is more significant, and scale inhibition effect is more excellent.
Corrosion inhibiter is able to suppress the corrosion of metal surface.For example, corrosion inhibiter is sodium molybdate, azo dicarbonamide and LAN-826
At least one of.The characteristics of above-mentioned corrosion inhibiter has corrosion mitigating effect good, and dosage is small, hypotoxicity.The mixture of above-mentioned medicament has
There is multiple corrosion mitigating effect.
Wherein, LAN-826 is a kind of Low-temperature corrosion inhibitor, in carbon steel, the derusting of stainless steel, passivating process.Usually
The use temperature of LAN-826 is 95 degrees Celsius or less.In the disclosure, with LAN-826 network can occur for antisludging agent and regulator
It closes, reduces the decomposition rate of LAN-826, making it, (such as 120 DEG C or more) are able to maintain good corrosion mitigating effect at high temperature.
In addition, above-mentioned sodium molybdate and/or azo dicarbonamide when being used in compounding with LAN-826, can significantly improve LAN-826
High-temperature resistant result, corrosion mitigating effect is good.
Regulator is in alkalinity, for adjusting the pH value of boiler feed water.Regulator is in sodium hydroxide, potassium hydroxide and soda ash
At least one.In general, the pH value of boiler feed water is 9.0-10.5.It can by the way that the minimum discharge stabilizer is added
Maintain within the above range the pH value of boiler feed water.
Solvent is desalted water, for dispersing above-mentioned various medicaments.Desalted water is the common knowledge of this field, is not done herein in detail
It describes in detail bright.Preferably, desalted water uses ultrapure water.Ultrapure water has conducting medium, the undissolved gas, colloid of extremely low content
And organic substance (including bacterium etc.) etc..For example, the salt content of ultrapure water is less than 0.1mg/L, conductivity is 0.1-0.055 μ
S/cm, resistivity at 25 DEG C are 10 megaohms or more.Compared to common desalted water, the impurity content of ultrapure water is extremely low, this makes
The content for obtaining silica, sodium salt, organic matter etc. in the furnace water of boiler further decreases, and obtained steam is purer, blowdown
Rate further decreases.
Preferably, addition concentration of the boiler water system minimum discharge stabilizer in drum is 5-15ppm.Concentration is added
For the ratio between the additional amount of minimum discharge stabilizer and amount of boiler feedwater.In the proportional region, the effect of minimum discharge stabilizer
Fruit is good, and the feature of environmental protection of furnace water is good, pollutes small.
It should be noted that the minimum discharge stabilizer can be directly appended in drum, it can also be first with desalted water etc.
It is then added in drum after dilution dilution agent.
According to one embodiment of the disclosure, which can increase substantially furnace water
Cycles of concentration, reduce boiler blowdown rate, save water resource and thermal energy, realize energy-saving and emission-reduction.
In addition, the minimum discharge stabilizer can reduce the content of silica in steam, sodium salt, in addition avoid boiler and
Silicon dirt and sodium salt dirt are generated on steam turbine (such as on the blade of steam turbine).
In addition, silica and sodium salt dirt by using the minimum discharge stabilizer, in the steam of boiler for producing out
Content be far below the standard of silica and sodium salt dirt content in national current standard in steam, to guarantee high pressure or super
High-pressure boiler can produce clean steam.The quality of steam reaches food-grade.
In addition, the minimum discharge stabilizer can remove already existing dirt in boiler in boiler running process, make to remove
The dirt gone forms the sludge of flowability.The sludge can be discharged outside boiler body by periodical blowdown.
In addition, the minimum discharge stabilizer can also effectively chelate calcium, the magnesium compound entered in boiler in boiler feedwater
And silica and sodium salt dirt in furnace, the formation of common scale, silicon dioxide dirt and sodium salt dirt is avoided, to improve boiler
The thermal efficiency, reduce the additional fuel consumption of boiler.
In one example, it is calculated according to mass percent, antisludging agent 20-55%, corrosion inhibiter 5-20%, regulator
For 5-15%, surplus is water.In above-mentioned content range, the excellent effect of minimum discharge stabilizer.
Embodiment 1:
Antisludging agent is nitrilotriacetic acid trisodium salt salt, and corrosion inhibiter is sodium molybdate and azo dicarbonamide, and regulator is sodium hydroxide, is pressed
It is calculated according to mass percent, nitrilotriacetic acid trisodium salt salt 23-35%, sodium molybdate 8-10%, azo dicarbonamide 2-4%, hydrogen-oxygen
Change sodium is 7-8%, and surplus is desalted water.
Embodiment 2:
Antisludging agent be disodium ethylene diamine tetraacetate and nitrilotriacetic acid trisodium salt salt, corrosion inhibiter be sodium molybdate and azo dicarbonamide,
Regulator is sodium hydroxide, is calculated according to mass percent, disodium ethylene diamine tetraacetate 20-38%, nitrilotriacetic acid trisodium salt salt
13-15%, sodium molybdate 8-10%, azo dicarbonamide 2-4%, sodium hydroxide 7-8%, surplus are desalted water.
Embodiment 3:
Antisludging agent is disodium ethylene diamine tetraacetate and hydroxyl phosphinylidyne guanidine-acetic acid, and corrosion inhibiter is sodium molybdate, and regulator is hydrogen-oxygen
Change sodium, is calculated according to mass percent, disodium ethylene diamine tetraacetate 20-38%, nitrilotriacetic acid trisodium salt salt 10-13%, molybdic acid
Sodium is 9-12%, and sodium hydroxide 9-14%, surplus is desalted water.
Embodiment 4:
Antisludging agent is nitrilotriacetic acid trisodium salt salt, and corrosion inhibiter is sodium molybdate and azo dicarbonamide, and regulator is sodium hydroxide, is pressed
It is calculated according to mass percent, nitrilotriacetic acid trisodium salt salt is 23%, sodium molybdate 9-12%, azo dicarbonamide 2%, sodium hydroxide
It is 7%, surplus is desalted water.
Embodiment 5:
Antisludging agent is hydroxyl phosphinylidyne guanidine-acetic acid, and corrosion inhibiter is sodium molybdate and azo dicarbonamide, and regulator is potassium hydroxide, is pressed
It is calculated according to mass percent, hydroxyl phosphinylidyne guanidine-acetic acid is 27%, sodium molybdate 8.5%, azo dicarbonamide 3.0%, hydroxide
Potassium is 8%, and surplus is desalted water.
Embodiment 6:
Antisludging agent is nitrilotriacetic acid trisodium salt salt and hydroxyl phosphinylidyne guanidine-acetic acid, and corrosion inhibiter is sodium molybdate and azo dicarbonamide, is adjusted
Saving agent is potassium hydroxide and sodium hydroxide, is calculated according to mass percent, and nitrilotriacetic acid trisodium salt salt is 13%, hydroxyl phosphoryl second
Acid is 32%, LAN-826 6%, and azo dicarbonamide 10%, potassium hydroxide 5%, sodium hydroxide 8%, surplus is desalination
Water.
Embodiment 6:
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 23%, sodium molybdate 8%, azo dicarbonamide are
2%, sodium hydroxide 7%, surplus are desalted water.
Embodiment 7:
It is calculated according to mass percent, multi-hydroxy polymer is 24%, sodium molybdate 8.5%, azo dicarbonamide are
2.5%, sodium hydroxide 7.5%, surplus are desalted water.
Embodiment 8:
Calculated according to mass percent, nitrilotriacetic acid trisodium salt salt is 28%, sodium molybdate 9%, azo dicarbonamide 4%,
LAN-826 is 0.5%, and sodium hydroxide 8%, surplus is desalted water.
Embodiment 9:
Calculated according to mass percent, hydroxyl phosphinylidyne guanidine-acetic acid is 22%, sodium molybdate 7%, azo dicarbonamide 4%,
Sodium hydroxide is 6%, and surplus is desalted water.
Embodiment 10:
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 10%, nitrilotriacetic acid trisodium salt salt is 10%, hydroxyl phosphorus
Acyl acetic acid is 8%, sodium molybdate 9.0%, sodium hydroxide 8%, and surplus is ultrapure water.
Embodiment 11:
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 13%, nitrilotriacetic acid trisodium salt salt is 16%, sodium molybdate
For 7.5%, azo dicarbonamide 2.5%, potassium hydroxide 8%, surplus is desalted water.
Embodiment 12:
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 13%, hydroxyl phosphinylidyne guanidine-acetic acid be 28%, azo two
Amide is 9.0%, soda ash 8%, and surplus is desalted water.
Embodiment 13:
It is calculated according to mass percent, nitrilotriacetic acid trisodium salt salt is 19%, hydroxyl phosphinylidyne guanidine-acetic acid is 22%, sodium molybdate is
6.5%, azo dicarbonamide 7.5%, sodium hydroxide 7.5%, surplus are desalted water.
Embodiment 14:
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 32%, sodium molybdate 5.0%, azo dicarbonamide are
10.0%, sodium hydroxide 8.0%, surplus are ultrapure water.
Embodiment 15:
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 30%, sodium molybdate 6.5%, azo dicarbonamide are
9.5%, sodium hydroxide 10.5%, surplus are desalted water.
Embodiment 16:
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 34%, sodium molybdate 5%, LAN-826 1%, hydrogen
Sodium oxide molybdena is 5.0%, and surplus is desalted water.
Embodiment 17:
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 39%, sodium molybdate 10%, azo dicarbonamide are
10%, sodium hydroxide 15%, surplus are desalted water.Embodiment 18:
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 27%, azo dicarbonamide 12.5%, sodium hydroxide
It is 15.0%, surplus is desalted water.
The stablizing effect for the minimum discharge stabilizer that above-mentioned each embodiment obtains is good.
According to another embodiment of the present disclosure, a kind of preparation side of boiler water system minimum discharge stabilizer is provided
Method.The minimum discharge stabilizer is added in the drum of boiler.As shown in Figure 1, the preparation method includes:
Antisludging agent and desalted water are mixed, to form mixed liquor.For example, at normal temperatures and pressures, by antisludging agent and taking off
Salt water, which is added in stirred tank, to be stirred.
Corrosion inhibiter is added, into mixed liquor to form intermediate solution.For example, adding scale inhibition in mixed liquor into stirring
Agent, and continue stirring 30 minutes to obtain intermediate liquid.
Regulator is added into intermediate solution, and is uniformly mixed.It is adjusted for example, being added in intermediate liquid into stirring
Agent, and continue stirring 60 minutes to obtain final finished product.
The conditions such as duration, the temperature of mixing of stirring are not limited to the above embodiments, and those skilled in the art can be according to reality
Border is selected.
Preferably, above-mentioned preparation process carries out under conditions of vacuum or inert gas shielding.The condition can be mentioned significantly
The dispersion effect of high various medicaments in a solvent, prevents medicament from aoxidizing.
First antisludging agent is uniformly dispersed in desalted water in the preparation method, adds corrosion inhibiter, is eventually adding adjusting
Agent.This feed way can be effectively prevented from various materials and vigorous reaction occurs in adding procedure, reduce in mixed process
The heat of generation is conducive to the dispersion of various materials.
The quality for the minimum discharge stabilizer that the preparation method is prepared is uniform, and dispersion effect is good.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of boiler water system minimum discharge stabilizer, wherein including the antisludging agent, corrosion inhibiter, adjusting mixed
Agent and solvent, the antisludging agent be disodium ethylene diamine tetraacetate, nitrilotriacetic acid trisodium salt salt and hydroxyl phosphinylidyne guanidine-acetic acid at least
One kind, the corrosion inhibiter are at least one of sodium molybdate, azo dicarbonamide and LAN-826, the regulator be sodium hydroxide,
At least one of potassium hydroxide and soda ash, the solvent are desalted water, which is added to the drum of boiler
In.
2. boiler water system minimum discharge stabilizer according to claim 1, wherein it is calculated according to mass percent,
The antisludging agent is 20-55%, and the corrosion inhibiter is 5-20%, and the regulator is 5-15%, and surplus is desalted water.
3. boiler water system minimum discharge stabilizer according to claim 1, wherein the antisludging agent is nitrilotriacetic acid
Trisodium salt, the corrosion inhibiter are sodium molybdate and azo dicarbonamide, and the regulator is sodium hydroxide, according to mass percentage
It calculates, nitrilotriacetic acid trisodium salt salt 23-35%, sodium molybdate 8-10%, azo dicarbonamide 2-4%, sodium hydroxide 7-8% is remaining
Amount is desalted water.
4. boiler water system minimum discharge stabilizer according to claim 1, wherein the antisludging agent is ethylenediamine tetraacetic
Acetic acid disodium and nitrilotriacetic acid trisodium salt salt, the corrosion inhibiter are sodium molybdate and azo dicarbonamide, and the regulator is sodium hydroxide,
It is calculated according to mass percent, disodium ethylene diamine tetraacetate 20-38%, nitrilotriacetic acid trisodium salt salt 13-15%, sodium molybdate 8-
10%, azo dicarbonamide 2-4%, sodium hydroxide 7-8%, surplus are desalted water.
5. boiler water system minimum discharge stabilizer according to claim 1, wherein the antisludging agent is ethylenediamine tetraacetic
Acetic acid disodium and hydroxyl phosphinylidyne guanidine-acetic acid, the corrosion inhibiter are sodium molybdate, and the regulator is sodium hydroxide, according to quality percentage
Number calculates, disodium ethylene diamine tetraacetate 20-38%, nitrilotriacetic acid trisodium salt salt 10-13%, sodium molybdate 9-12%, hydroxide
Sodium is 9-14%, and surplus is desalted water.
6. boiler water system minimum discharge stabilizer according to claim 1, wherein the antisludging agent is nitrilotriacetic acid
Trisodium salt, the corrosion inhibiter are sodium molybdate and azo dicarbonamide, and the regulator is sodium hydroxide, according to mass percentage
It calculates, nitrilotriacetic acid trisodium salt salt is 23%, and sodium molybdate 9-12%, azo dicarbonamide 2%, sodium hydroxide 7%, surplus is de-
Salt water.
7. boiler water system minimum discharge stabilizer according to claim 1, wherein the antisludging agent is hydroxyl phosphinylidyne
Guanidine-acetic acid, the corrosion inhibiter are sodium molybdate and azo dicarbonamide, and the regulator is potassium hydroxide, according to mass percentage
It calculates, hydroxyl phosphinylidyne guanidine-acetic acid is 27%, sodium molybdate 8.5%, azo dicarbonamide 3.0%, potassium hydroxide 8%, and surplus is
Desalted water.
8. boiler water system minimum discharge stabilizer according to claim 1, wherein the antisludging agent is nitrilotriacetic acid
Trisodium salt and hydroxyl phosphinylidyne guanidine-acetic acid, the corrosion inhibiter be sodium molybdate and azo dicarbonamide, the regulator be potassium hydroxide and
Sodium hydroxide is calculated according to mass percent, and nitrilotriacetic acid trisodium salt salt is 13%, and hydroxyl phosphinylidyne guanidine-acetic acid is 32%, sodium molybdate
It is 6%, azo dicarbonamide 10%, potassium hydroxide 5%, sodium hydroxide 8%, surplus is desalted water.
9. boiler water system minimum discharge stabilizer described in any one in -8 according to claim 1, wherein in drum
In addition concentration be 5-15ppm.
10. a kind of preparation method of boiler water system minimum discharge stabilizer, the minimum discharge stabilizer are added to boiler
In drum, wherein include:
Antisludging agent and desalted water are mixed, to form mixed liquor；
Corrosion inhibiter is added into the mixed liquor, to form intermediate solution；
Regulator is added into the intermediate solution, and is uniformly mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910074689.5A CN109851068A (en) | 2019-01-25 | 2019-01-25 | A kind of boiler water system minimum discharge stabilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910074689.5A CN109851068A (en) | 2019-01-25 | 2019-01-25 | A kind of boiler water system minimum discharge stabilizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109851068A true CN109851068A (en) | 2019-06-07 |
Family
ID=66896205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910074689.5A Pending CN109851068A (en) | 2019-01-25 | 2019-01-25 | A kind of boiler water system minimum discharge stabilizer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109851068A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422999A (en) * | 2020-04-29 | 2020-07-17 | 广东煌孟新能源科技有限公司 | Organic stabilizer for water quality of low-medium pressure drum boiler and preparation method thereof |
| CN113293378A (en) * | 2021-05-31 | 2021-08-24 | 昆山市韩铝化学表面材料有限公司 | Gas mark inhibitor for chemical polishing of two acids of aluminum alloy with sand blasting surface and preparation method thereof |
| CN114934277A (en) * | 2022-05-17 | 2022-08-23 | 广州市日用化学工业研究所有限公司 | Recyclable pop can cleaning agent and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422105A (en) * | 2012-05-22 | 2013-12-04 | 苏州一方金属表面处理科技有限公司 | Detergent for stainless steel and iron member composite boards and applications of the detergent |
| CN103508566A (en) * | 2013-09-26 | 2014-01-15 | 苏州水盾水处理技术有限公司 | Boiler pre-filming corrosion and scale inhibitor |
| CN103508568A (en) * | 2013-09-26 | 2014-01-15 | 苏州水盾水处理技术有限公司 | Boiler scale dispersing agent |
| CN107176703A (en) * | 2017-07-12 | 2017-09-19 | 沈阳追梦蓝环保科技有限公司 | A kind of compound boiler scale-inhibition corrosion inhibitor and its preparation method and application |
-
2019
- 2019-01-25 CN CN201910074689.5A patent/CN109851068A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422105A (en) * | 2012-05-22 | 2013-12-04 | 苏州一方金属表面处理科技有限公司 | Detergent for stainless steel and iron member composite boards and applications of the detergent |
| CN103508566A (en) * | 2013-09-26 | 2014-01-15 | 苏州水盾水处理技术有限公司 | Boiler pre-filming corrosion and scale inhibitor |
| CN103508568A (en) * | 2013-09-26 | 2014-01-15 | 苏州水盾水处理技术有限公司 | Boiler scale dispersing agent |
| CN107176703A (en) * | 2017-07-12 | 2017-09-19 | 沈阳追梦蓝环保科技有限公司 | A kind of compound boiler scale-inhibition corrosion inhibitor and its preparation method and application |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422999A (en) * | 2020-04-29 | 2020-07-17 | 广东煌孟新能源科技有限公司 | Organic stabilizer for water quality of low-medium pressure drum boiler and preparation method thereof |
| CN113293378A (en) * | 2021-05-31 | 2021-08-24 | 昆山市韩铝化学表面材料有限公司 | Gas mark inhibitor for chemical polishing of two acids of aluminum alloy with sand blasting surface and preparation method thereof |
| CN114934277A (en) * | 2022-05-17 | 2022-08-23 | 广州市日用化学工业研究所有限公司 | Recyclable pop can cleaning agent and preparation method thereof |
| CN114934277B (en) * | 2022-05-17 | 2024-03-29 | 广州市日用化学工业研究所有限公司 | Recyclable pop can cleaning agent and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109851068A (en) | A kind of boiler water system minimum discharge stabilizer and preparation method thereof | |
| CN110980971B (en) | Non-phosphorus scale and corrosion inhibitor for industrial circulating water and preparation method thereof | |
| CN106865795A (en) | A kind of boiler preparation method of multiple-effect phosphate-free water treatment agent | |
| CN105950207B (en) | A kind of method for suppressing hydrocarbon fuel cracking furnace pipe tube wall coking | |
| CN101709473B (en) | High-temperature water-soluble corrosion inhibitor | |
| CN110055541A (en) | A kind of water circulation system protective agent and its preparation process | |
| CN106554096A (en) | A kind of boiler environment-friendly type inhibition anti-sludging agent and preparation method thereof | |
| CN107698041A (en) | A kind of recirculating cooling water system corrosion inhibiting and descaling agent using desalinization water as moisturizing | |
| CN108996717A (en) | A kind of pure water does the low-pressure industrial boiler corrosion inhibiting and descaling agent of make-up water | |
| CN105112929B (en) | Station boiler is hot quickly washes silicon prefilming agent | |
| CN106430657A (en) | Scale inhibitor for treating cooling water of power plant and preparation method thereof | |
| CN102765820A (en) | HEDP (hydroxyethylidenediphosphonic acid)-based organic corrosion and scale inhibitor for industrial boiler | |
| CN210022100U (en) | Device for developing scale and corrosion inhibitor by using organic waste | |
| CN104692546B (en) | A kind of demineralized water water treatment agent and its preparation method and application | |
| CN109650480A (en) | Minimum discharge stabilizer and preparation method thereof for the feed water system of boiler | |
| CN106011818B (en) | A kind of prefilming agent for recirculating cooling water system pre-filming treatment | |
| CN113185007B (en) | Composite chemical for treating water in drum boiler and preparation method thereof | |
| CN108773917A (en) | A kind of corrosion inhibiting and descaling agent and preparation method thereof | |
| CN109133393B (en) | Low-phosphorus environment-friendly boiler treatment agent for supplementing water to boiler by using high-alkali and high-hardness underground water | |
| CN116730516B (en) | Low-phosphorus scale and corrosion inhibitor and preparation method thereof | |
| CN214611550U (en) | Phosphoric acid and hypophosphorous acid joint production system | |
| CN103420512A (en) | Preparation method of (1-hydroxyethylene) diphosphonic acid compound scale inhibitor | |
| CN106904678A (en) | Application of the L vitamin Cs in boiler supply water deaerating corrosion inhibiter | |
| CN106830376A (en) | Without phosphorus low sodium water-treating agent of boiler | |
| CN111778510A (en) | Corrosion prevention process for adding corrosion inhibitor to ultra-high temperature heat supply 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190607 |