CN107324512A - The fouling cleaning agent and cleaning method of iron-smelter flushing cinder water system - Google Patents
The fouling cleaning agent and cleaning method of iron-smelter flushing cinder water system Download PDFInfo
- Publication number
- CN107324512A CN107324512A CN201710540179.3A CN201710540179A CN107324512A CN 107324512 A CN107324512 A CN 107324512A CN 201710540179 A CN201710540179 A CN 201710540179A CN 107324512 A CN107324512 A CN 107324512A
- Authority
- CN
- China
- Prior art keywords
- iron
- smelter
- water system
- fouling
- cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
- C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention relates to a kind of fouling cleaning agent of iron-smelter flushing cinder water system, the fouling cleaning agent includes following components by mass percentage：S carboxyethyls sulfosuccinic acid 5%~45%, polyethers polyamino methylene phosphonic acid salt N oxides 1%~45%, acrylic hydroxypropyl ester copolymer 6%~40%, hydrochloric acid 20%~35%, diethylenetriamine pentamethylene phosphatase 11 %~25%, diisooctyl maleate sulfonate 0.1%~3%；The mass concentration of the hydrochloric acid is 30~36%.The invention further relates to the cleaning method of iron-smelter flushing cinder water system.The fouling cleaning agent of the present invention can effectively remove the fouling of iron-smelter washing slag water devices in system and pipeline, with with strong points, formulation green is environmentally friendly, cost is low and prepares simple advantage, cleaning method of the invention has the advantages that operating procedure is simple and easy to apply, cleaning flexibly, it is few using equipment.
Description
Technical field
The present invention relates to the technical field of chemical system cleaning, more particularly to a kind of fouling of iron-smelter flushing cinder water system
Cleaning agent and cleaning method.
Background technology
Blast-furnace slag is during blast furnace ironmaking, to be waved by non-in the gangue in ore, the ash content and flux in fuel
The solid waste of component formation is sent out, calcium, silicon, aluminium, magnesium, the oxide of iron and a small amount of sulfide is mainly contained.
Blast-furnace slag water quenching technology is the main method that current China's iron-smelter handles blast-furnace slag, and this method passes through flushing cinder
Recirculated water is used for furnace slag chilled with water by water system.Referring to Fig. 1, it is the schematic diagram of existing iron-smelter flushing cinder water system, figure
Middle arrow represents the flow direction of recirculated water.Flushing cinder water system generally comprises blast furnace slag flushing mouth, water flashing slag runner, settling system, filtering system
System, pond, recirculated water absorbing well, absorption well and pump house, the blast furnace slag flushing mouth, water flashing slag runner, settling system, filtration system, pond, are followed
Ring water absorbing well, absorption well and pump house pass through pipeline or irrigation canals and ditches connection composition circulation loop.Water circulating pump, pump house and blast furnace are provided with pump house
It is pipeline connection between flushing cinder mouthful, is also connected between pump house and recirculated water absorbing well, absorption well for pipeline, sedimentation basin is provided with settling system.
The running of iron-smelter flushing cinder water system is：The cycle of higher pressure water come out from the water circulating pump of pump house enters blast furnace
Flushing cinder is intraoral, high-temperature liquid furnace slag is rapidly cooled down, then clinker is crashed to pieces, and water quenching cooling is grain slag, slag-water slurry from
Blast furnace slag flushing mouthful is come out, and settling system and filtration system are entered by water flashing slag runner, completes pulp water separation, the granulation after dehydration
Slag is stored in the sedimentation basin of settling system, and outward transport processing is cleared out by the scarfing cinder equipment such as overhead traveling crane, and separating obtained washing slag water passes through
Pond enters recirculated water absorbing well, absorption well, then delivers to blast furnace slag flushing mouthful by the water circulating pump pressurization in pump house and recycle.
At present, the problem of there is easy fouling and fouling serious harm equipment and pipeline in iron-smelter flushing cinder water system, knot
The reason for formation of dirt has following several respects：(1) other waste water outside system for quoting, such as sintering plant desulfurization wastewater, converter are refined
Contain substantial amounts of salt in steel dust waste water etc., these waste water, easily cause system equipment and pipeline scale；(2) recycle
Washing slag water in be dissolved with various salts, gradually cool down when salt concentration increase with moisture evaporation, when its concentration reach it is full
During with state, crystal will be separated out, flow surface of these crystal depositions in pipeline forms fine and close incrustation scale；(3) in washing slag water
Substantial amounts of dissolved oxygen can cause chlorion and sulfate ion in electrochemical corrosion, washing slag water that tube metal surface can be caused to produce
Raw spot corrosion, corrosion product is deposited on the flow surface of pipeline, forms the foulings such as iron oxide.
After the equipment scalings such as pipeline, water pump in iron-smelter flushing cinder water system, if without cleaning, these foulings in time
So that equipment and the operational efficiency of pipeline decline, energy consumption, material consumption increase can make blast furnace be forced to stop production, cause tight when situation is serious
The economic loss of weight.Therefore, in order to ensure that iron-smelter flushing cinder water system can safe and stable, efficiently be run, it is necessary to system
Carry out cleaning and descaling processing.
However, because the fouling components in iron-smelter flushing cinder water system are complicated, including carbonate deposit, the silicate of calcium and magnesium
The various deposits such as dirt, phosphoric acid salt crust, Ferric oxide scale, aluminium dirt, sulphur dirt, and scaling type has inorganic scale, colloid dirt etc., it is existing
Not yet occur the effective cleaning agent and cleaning method specifically designed for flushing cinder scaling of water system in technology, it is difficult to circulated in maintenance system
The stabilization of water water quality, equipment and pipeline scale still drastically influence the operation of flushing cinder water system.
The content of the invention
Based on this, it is an object of the present invention to provide a kind of fouling cleaning agent of iron-smelter flushing cinder water system, it can be effective
The fouling of iron-smelter washing slag water devices in system and pipeline is removed, with strong points, formulation green is environmentally friendly, cost is low and prepares
Simple advantage.
The technical solution adopted by the present invention is as follows：
A kind of fouling cleaning agent of iron-smelter flushing cinder water system, by mass percentage including following components：
The mass concentration of the hydrochloric acid is 30~36%.
Wherein, S- carboxyethyls sulfosuccinic acid (CETSA) is a kind of carboxylic acids polymer, and it contains macromolecular chain, has
A variety of inorganic scales and colloid dirt are had preferable dispersing and dissolving ability, can be dispersed into difficulty soluble salt knot by scattered and scale effect
The difficulty soluble salt particulate at brilliant center, reduce or control difficulty soluble salt is gathered into dirt, moreover it is possible to the crystal of deposition is occurred distortion of lattice, reaches
To the purpose of scale inhibition, the solvability to scale deposits such as calcium carbonate, silicate, sulfate and phosphate is strong.CETSA also has
Rust-preventing characteristic, can prevent pipeline to get rusty.CETSA has good water solubility, has preferable corrosion-and-scale-inhibiting property in the range of wide pH
Can, compared to general industry and house detergent, its biological degradability is good, is easily biodegradable, Phosphateless environmentally friendly, will not give
Environment brings pollution.
Polyethers polyamino methylene phosphonic acid salt N- oxides are a kind of phosphonate scale inhibitors of macromolecular, with scattered energy
Power, the effect that it is used for circulation is good, and relatively stablizes in sewage, it is difficult to is aoxidized and drops by the heavy metal ion in sewage
Solution, can continue to play peptizaiton.
Acrylic acid-acrylic acid hydroxypropyl ester copolymer (T-225) has scale inhibition and peptizaiton, to calcium carbonate, calcium sulfate, zinc
Salt, the formation of calcium phosphate scale and deposition have good inhibitory action, also have well to di-iron trioxide, sludge, clay and grease
Dispersive property, and the compatibility of T-225 and organic phosphate is good.
Hydrochloric acid can dissolve the deposition such as carbonate, silicate, phosphate, Ferric oxide scale and aluminium dirt, while cleaning agent can be maintained
For acidity, prevent the metal ions such as iron ion, aluminium ion from hydrolyzing.
Diethylenetriamine pentamethylene phosphoric acid (DTPMPA) is nontoxic, is soluble in acid solution, is typically used in water process
Make the anti-incrustation corrosion inhibitor of recirculated cooling water and boiler water, scale inhibition, corrosion mitigating effect are good and temperature tolerance is good, can suppress carbonate, sulfuric acid
The generation of salt crust.
Diisooctyl maleate sulfonate, also known as sulphosuccinates, fast penetrant T, are that one kind is efficiently oozed
Saturating agent, with wetting it is good, permeate rapidly and uniformly advantage.
Each component in fouling cleaning agent of the present invention plays synergy, diisooctyl maleate sulfonate energy
Promote cleaning agent rapid osmotic to inside fouling, the junction of fouling and tube wall, and CETSA, polyethers polyamino methylene phosphonic acid
Peptizaiton is integrated to causing the metal ion of dirt to have after salt N- oxides, T-225, DTPMPA compounding, the crystalline substance of fouling is changed
Body structure, makes it be changed into loose from densification, while hydrochloric acid energy dissolution of scale, therefore the fouling cleaning agent can make flushing cinder water system
In various foulings can come off or melt from tube wall, realize liquidate Slag-water system pipeline and device interior cleaning.
Relative to existing water treatment agent or antisludging agent, fouling cleaning agent of the invention pointedly, can be removed efficiently
The fouling of iron-smelter washing slag water devices in system and pipeline, fouling clearance solves fouling hazards punching up to more than 99.9%
The problem of Slag-water system operation, and its formula is reasonable in design, can in advance prepare and store for future use, and treatment effeciency is high, green ring
Protect, cost is low, it is simple to prepare.
Further, by mass percentage including following components：
The hydrochloric acid is the technical-grade hydrochloric acid that mass concentration is 31%, and easily purchase, cost are low.
Further, the fouling cleaning agent of the iron-smelter flushing cinder water system, by mass percentage including following components：
The hydrochloric acid is the technical-grade hydrochloric acid that mass concentration is 31%, and easily purchase, cost are low.
Further, the fouling cleaning agent of the iron-smelter flushing cinder water system described in any of the above-described, is prepared by following steps
Form：Under normal temperature, normal pressure, each component first is weighed by proportioning, then by S- carboxyethyls sulfosuccinic acid and polyethers polyamino
Methylene phosphonic acid salt N- oxides are added in enamel reaction still, start stirring motor, then be slowly added to acrylic acid-acrylic acid successively
Hydroxypropyl ester copolymer, hydrochloric acid, diethylenetriamine pentamethylene phosphoric acid and diisooctyl maleate sulfonate, are then stirred mixed
Close 1~3h, finished product.The preparation method is simple to operate, easy realization.
Another object of the present invention is to provide a kind of cleaning method of iron-smelter flushing cinder water system, the cleaning method includes
Following steps：
(1) stop the operation of iron-smelter flushing cinder water system, then the recirculated water in flushing cinder water system in pipeline to be cleaned is arranged
Sky, then using temporary pipeline by cleaning agent absorbing well, absorption well, cleaning pump and pipeline to be cleaned connection composition circulation loop, and in cleaning
Fouling cleaning agent is poured into agent absorbing well, absorption well, the fouling cleaning agent is the fouling cleaning agent described in any of the above-described；
(2) cleaning pump is opened, makes fouling cleaning agent washing and cleaning operation in the circulation loop that step (1) is constituted；
(3) after cleaning is finished, drain the sewage in circulation loop, turn off temporary pipeline, stop cleaning pump, then recover
The operation of iron-smelter flushing cinder water system.
Substantial amounts of fouling cleaning agent can be expended due to carrying out cleaning to whole iron-smelter flushing cinder water system, wave is easily caused
Take, cost is higher, it is economically unreasonable, so the section of tubing in the cleaning method only selecting system of the present invention is as to be cleaned
Pipeline, is pointedly cleaned to key conduit and equipment, can reach the purpose of cleaning fouling, it is ensured that washing slag water after cleaning
System can safe and stable, efficiently be run, and can be reduced cleaning cost, be improved the efficiency of cleaning and the flexibility of operation.And
And, the cleaning method is used only cleaning agent absorbing well, absorption well, cleaning pump and temporary pipeline and just huge flushing cinder water system can be carried out clearly
Wash, cleaning operation simply, is easily realized, human cost is low, and the equipment used is few, the equipment for utilizing on-site with can suiting measures to local conditions
Or circulation loop of facility when being assembled into cleaning.
Further, in step (1), the ratio of fouling quality is in the quality and pipeline to be cleaned of fouling cleaning agent used
2~5:1, according to the consumption of fouling Quality Design fouling cleaning agent, it is ensured that fouling can be cleaned, while avoiding fouling from cleaning
Agent consumption is excessive and causes to waste.
Further, in step (1), selected pipeline to be cleaned is pump house and blast furnace punching in iron-smelter flushing cinder water system
The pipeline between pipeline and pump house and recirculated water absorbing well, absorption well between cinder notch, cleaning agent absorbing well, absorption well used is iron-smelter flushing cinder
Recirculated water absorbing well, absorption well in water system, cleaning pump used is the water circulating pump of pump house in iron-smelter flushing cinder water system, used interim
The quantity of pipeline is the end connection of close blast furnace slag flushing mouthful in one, one end of the temporary pipeline and pipeline to be cleaned, another
End is connected with recirculated water absorbing well, absorption well.
The circulating water temperature in pipeline between pump house and blast furnace slag flushing mouthful is minimum, is easiest to separate out crystal generation fouling,
Therefore this segment pipe is chosen as pipeline to be cleaned, and the inside of key equipment water circulating pump is cleaned, can be at utmost
Ground ensures to clean backlash Slag-water system trouble-free operation.Secondly, directly using the recirculated water absorbing well, absorption well and pump house in flushing cinder water system
Water circulating pump, can reduce cleaning needed for assembling equipment, reduce temporary pipeline quantity and length, further reduce cost simultaneously
Improve cleaning efficiency.Furthermore, cleaning, which finishes rear sewage, can be discharged into the settling system and filtration system of flushing cinder water system, sewage
Fouling is stayed in the sedimentation basin of settling system, and outward transport processing is cleared out by the scarfing cinder equipment such as overhead traveling crane, and filters having in gained liquid
Imitate constituent content very low, run after directly being mixed with recirculated water in flushing cinder water system, it is not necessary to outer row's processing, more just
Just it is, environmentally friendly.
Further, in step (2), cleaning pump makes fouling cleaning agent with very fast with maximum stream flow conveyance scale formation cleaning agent
Flow velocity is flowed in circulation loop, and fouling is impacted, and is conducive to fouling refinement, is come off from tube wall, and then improves cleaning effect
Rate.
Further, in step (2), the time of fouling cleaning agent washing and cleaning operation in circulation loop is 24~48h.
Further, in step (3), the time for draining the sewage in circulation loop is 2~4h.
In order to more fully understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing iron-smelter flushing cinder water system.
Fig. 2 is the cleaning schematic diagram of the iron-smelter flushing cinder water system of the present invention.
Embodiment
Embodiment 1
The fouling cleaning agent of the iron-smelter flushing cinder water system of the present embodiment includes following components by mass percentage：
The fouling cleaning agent is prepared from by following steps：Under normal temperature, normal pressure, each component first has been weighed by proportioning,
Then S- carboxyethyls sulfosuccinic acid and polyethers polyamino methylene phosphonic acid salt N- sodium oxide molybdenas are added in enamel reaction still, started
Stirring motor, then the sour hydroxypropyl ester copolymer of acrylic acid-acrylic, technical-grade hydrochloric acid, the methylene of diethylenetriamine five are slowly added to successively
Base phosphoric acid and sodium diethylhexyl sulfosuccinate, then stirring mix 2h, finished product.Detection is sampled to finished product,
Packed after detection is qualified, packaging is transported in warehouse for finished product after finishing and preserved, while performing the record of production.
Referring to Fig. 2, dotted line represents interim pipe in its cleaning schematic diagram for the iron-smelter flushing cinder water system of the present invention, figure
Arrow on road, dotted line represents the flow direction of fouling cleaning agent.The cleaning method of the iron-smelter flushing cinder water system of the present embodiment is specific
Carry out as follows：
(1) stop the operation of iron-smelter flushing cinder water system, choose pump house and blast furnace slag flushing mouthful in iron-smelter flushing cinder water system
Between pipeline and pump house and recirculated water absorbing well, absorption well between pipeline be pipeline to be cleaned, its internal recirculated water is emptied,
And the valve closed between pipeline to be cleaned and blast furnace slag flushing mouthful, the valve closed between recirculated water absorbing well, absorption well and pond.Then,
Using a temporary pipeline, its one end is connected with the end in pipeline to be cleaned close to blast furnace slag flushing mouthful, the other end and circulation
Water absorbing well, absorption well is connected, and recirculated water absorbing well, absorption well, the water circulating pump of pump house is connected composition circulation loop with pipeline to be cleaned, and following
The fouling cleaning agent is poured into ring water absorbing well, absorption well.By detecting the thickness of fouling in pipeline to be cleaned, fouling quality is calculated, then
It is 2~5 according to the ratio of fouling quality in the quality and pipeline to be cleaned of fouling cleaning agent:1, it is determined that needing to pour into recirculated water suction
The consumption of fouling cleaning agent in well.
(2) water circulating pump in pump house is opened, makes water circulating pump with maximum stream flow conveyance scale formation cleaning agent, cleans fouling
Agent 24~48h of washing and cleaning operation in the circulation loop that step (1) is constituted.
(3) when fouling is not present in the tube wall of pipeline to be cleaned or fouling thickness no longer changes, cleaning is finished, and opens high
Valve between stove flushing cinder mouthful and water flashing slag runner, continues to run with water circulating pump, the sewage in circulation loop is passed through into blast furnace slag flushing
Mouth and water flashing slag runner discharge into settling system and filtration system, then, first close temporary pipeline, then stop water circulating pump, the row of completion
It is 2~4h the time required to dirt operation, whole blowdown operation.Finally recover the operation of flushing cinder water system.
Embodiment 2
The fouling cleaning agent of the iron-smelter flushing cinder water system of the present embodiment includes following components by mass percentage：
The fouling cleaning agent preparation method is identical with embodiment 1.
The cleaning method of the iron-smelter flushing cinder water system of the present embodiment is identical with embodiment 1.
Embodiment 3
The fouling cleaning agent of the iron-smelter flushing cinder water system of the present embodiment includes following components by mass percentage：
The fouling cleaning agent preparation method is identical with embodiment 1.
The cleaning method of the iron-smelter flushing cinder water system of the present embodiment is identical with embodiment 1.
Embodiment 4
The fouling cleaning agent of the iron-smelter flushing cinder water system of the present embodiment includes following components by mass percentage：
The fouling cleaning agent preparation method is identical with embodiment 1.
The cleaning method of the iron-smelter flushing cinder water system of the present embodiment is identical with embodiment 1.
Embodiment 5
The fouling cleaning agent of the iron-smelter flushing cinder water system of the present embodiment includes following components by mass percentage：
The fouling cleaning agent preparation method is identical with embodiment 1.
The cleaning method of the iron-smelter flushing cinder water system of the present embodiment is identical with embodiment 1.
Comparative example 1
This comparative example cleans iron-smelter flushing cinder water system using a kind of water treatment agent, and the water treatment agent is pressed by following components
Mass percent is formulated：Hydroxyacetic acid 4%, 1-hydroxy ethylidene-1,1-diphosphonic acid (HEDP) 13%, 2- phosphonobutane -1,2,4- tricarboxylics
Acid (PBTCA) 8%, ethylene diamine tetra methylene phosphonic acid sodium (EDTMP-Na) 6%, polyacrylic acid (PAA-H) 6%, hydrolyzed polymaleic anhydride
Acid anhydride (HPMA) 7%, acrylic acid -2- acrylamide-2-methyl propane sulfonics copolymer (AA/AMPS) 10%, tertiary sodium phosphate 6%, benzene
And triazole (BTA) 1%, isothiazole beautiful jade ketone 15%, 2- HPAAs (HPPA) 4%, softened water 20%.
The water treatment agent is prepared from by conventional mixing method.
The water treatment agent is cleaned into iron-smelter flushing cinder water system by the cleaning method of embodiment 1.
Comparative example 2
This comparative example cleans iron-smelter flushing cinder water system using a kind of water treatment agent, and the water treatment agent is pressed by following components
Mass percent is formulated：Sulfamic acid 3%, 2- phosphonobutane -1,2,4- tricarboxylic acids (PBTCA) 8%, many ethers of polyamino
Methylene phosphonic acid (PAPEMP) 6%, HPMA (HPMA) 6%, maleic acid-acrylic acid copolymer (MA-AA) 8%,
Acrylic acid -2- acrylamide-2-methyl propane sulfonics copolymer (AA/AMPS) 8%, calgon 6%, methyl benzotriazazole
(TTA) 1%, ammonium molybdate 1%, isothiazole beautiful jade ketone 15%, glutaraldehyde 5%, ATMP (ATMP) 13%, softened water
20%.
The water treatment agent is prepared from by conventional mixing method.
The water treatment agent is cleaned into iron-smelter flushing cinder water system by the cleaning method of embodiment 1.
Embodiment 1, embodiment 2, comparative example 1 and comparative example 2 to iron-smelter flushing cinder water-system pipeline fouling wash result such as
Shown in table 1 below.
Table 1
As shown in Table 1, the fouling cleaning agent of embodiment 1 and embodiment 2 can be removed effectively in iron-smelter flushing cinder water system
Fouling, fouling clearance reaches 100%；Although and the conventional water treatment agent of comparative example 1 and comparative example 2 has resistance to circulation
Dirt effect, but the thicker flushing cinder scaling of water system of the thickness formed can not be removed, it is impossible to as fouling cleaning agent.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.
Claims (10)
1. a kind of fouling cleaning agent of iron-smelter flushing cinder water system, it is characterised in that by mass percentage including following components：
The mass concentration of the hydrochloric acid is 30~36%.
2. the fouling cleaning agent of iron-smelter flushing cinder water system according to claim 1, it is characterised in that by mass percentage
Including following components：
The hydrochloric acid is the technical-grade hydrochloric acid that mass concentration is 31%.
3. the fouling cleaning agent of iron-smelter flushing cinder water system according to claim 1, it is characterised in that by mass percentage
Including following components：
The hydrochloric acid is the technical-grade hydrochloric acid that mass concentration is 31%.
4. the fouling cleaning agent of the iron-smelter flushing cinder water system according to claim any one of 1-3, it is characterised in that by with
Lower step is prepared from：Under normal temperature, normal pressure, first weighed each component by proportioning, then by S- carboxyethyls sulfosuccinic acid and
Polyethers polyamino methylene phosphonic acid salt N- oxides are added in enamel reaction still, start stirring motor, then be slowly added to third successively
Olefin(e) acid-hydroxypropyl acrylate copolymer, hydrochloric acid, diethylenetriamine pentamethylene phosphoric acid and diisooctyl maleate sulfonic acid
Salt, then stirring mixes 1~3h, finished product.
5. a kind of cleaning method of iron-smelter flushing cinder water system, it is characterised in that comprise the following steps：
(1) stop the operation of iron-smelter flushing cinder water system, then the recirculated water in flushing cinder water system in pipeline to be cleaned is emptied, so
Afterwards using temporary pipeline by cleaning agent absorbing well, absorption well, cleaning pump and pipeline to be cleaned connection composition circulation loop, and inhaled in cleaning agent
Fouling cleaning agent is poured into well, the fouling cleaning agent is the fouling cleaning agent described in claim any one of 1-4；
(2) cleaning pump is opened, makes fouling cleaning agent washing and cleaning operation in the circulation loop that step (1) is constituted；
(3) after cleaning is finished, drain the sewage in circulation loop, turn off temporary pipeline, stop cleaning pump, then recover ironmaking
The operation of factory's flushing cinder water system.
6. the cleaning method of iron-smelter flushing cinder water system according to claim 5, it is characterised in that：It is used in step (1)
The ratio of fouling quality is 2~5 in the quality and pipeline to be cleaned of fouling cleaning agent:1.
7. the cleaning method of iron-smelter flushing cinder water system according to claim 5, it is characterised in that：It is selected in step (1)
The pipeline to be cleaned taken is the pipeline and pump house and recirculated water between pump house in iron-smelter flushing cinder water system and blast furnace slag flushing mouthful
Pipeline between absorbing well, absorption well, cleaning agent absorbing well, absorption well used is the recirculated water absorbing well, absorption well in iron-smelter flushing cinder water system, cleaning used
Pump is the water circulating pump of pump house in iron-smelter flushing cinder water system, and the quantity of temporary pipeline used is one, the one of the temporary pipeline
Hold and be connected with the end in pipeline to be cleaned close to blast furnace slag flushing mouthful, the other end is connected with recirculated water absorbing well, absorption well.
8. the cleaning method of iron-smelter flushing cinder water system according to claim 5, it is characterised in that：In step (2), cleaning
Pump is with maximum stream flow conveyance scale formation cleaning agent.
9. the cleaning method of iron-smelter flushing cinder water system according to claim 8, it is characterised in that：In step (2), fouling
The time of cleaning agent washing and cleaning operation in circulation loop is 24~48h.
10. the cleaning method of iron-smelter flushing cinder water system according to claim 5, it is characterised in that：In step (3), row
The time for walking the sewage in circulation loop is 2~4h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540179.3A CN107324512B (en) | 2017-07-05 | 2017-07-05 | Scale cleaning agent and cleaning method for slag flushing water system of iron works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540179.3A CN107324512B (en) | 2017-07-05 | 2017-07-05 | Scale cleaning agent and cleaning method for slag flushing water system of iron works |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107324512A true CN107324512A (en) | 2017-11-07 |
| CN107324512B CN107324512B (en) | 2020-06-30 |
Family
ID=60196083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710540179.3A Expired - Fee Related CN107324512B (en) | 2017-07-05 | 2017-07-05 | Scale cleaning agent and cleaning method for slag flushing water system of iron works |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107324512B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110933A (en) * | 2018-08-22 | 2019-01-01 | 江苏科利恩净水科技有限公司 | A kind of low-phosphorus antiincrustation corrosion inhibitor and preparation method thereof |
| CN111533229A (en) * | 2020-05-27 | 2020-08-14 | 昭仕（厦门）新材料有限公司 | Water treatment agent and preparation method thereof |
| CN111762883A (en) * | 2020-06-12 | 2020-10-13 | 上海净豚环保科技有限公司 | Anaerobic granular sludge scale inhibitor and preparation method and application thereof |
| CN113354109A (en) * | 2021-05-20 | 2021-09-07 | 大唐七台河发电有限责任公司 | Method for quickly cleaning scaling on circulating water cooling pipe wall of condenser |
| CN113789227A (en) * | 2021-09-17 | 2021-12-14 | 自然资源部天津海水淡化与综合利用研究所 | Calcium sulfate scale cleaning agent suitable for aluminum alloy heat transfer pipe and preparation method and application thereof |
| CN114084923A (en) * | 2021-12-22 | 2022-02-25 | 上海电站辅机厂有限公司 | Hard scale cleaning device for hot method seawater desalination device |
| CN116622024A (en) * | 2022-10-10 | 2023-08-22 | 广东浪淘砂新型材料有限公司 | High-concentration scale inhibitor for cement-based high-alkali environment sensor and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412567A (en) * | 2007-10-15 | 2009-04-22 | 潘洪涛 | Composite multi-component scale inhibitor for treating oil-field water and preparation thereof |
| CN102604617A (en) * | 2011-10-17 | 2012-07-25 | 中国石油化工股份有限公司 | Carbonate scale removing agent for oil-water well |
| CN104445654A (en) * | 2014-12-10 | 2015-03-25 | 苏州路路顺机电设备有限公司 | Method for preparing circulating water treatment agent |
-
2017
- 2017-07-05 CN CN201710540179.3A patent/CN107324512B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412567A (en) * | 2007-10-15 | 2009-04-22 | 潘洪涛 | Composite multi-component scale inhibitor for treating oil-field water and preparation thereof |
| CN102604617A (en) * | 2011-10-17 | 2012-07-25 | 中国石油化工股份有限公司 | Carbonate scale removing agent for oil-water well |
| CN104445654A (en) * | 2014-12-10 | 2015-03-25 | 苏州路路顺机电设备有限公司 | Method for preparing circulating water treatment agent |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110933A (en) * | 2018-08-22 | 2019-01-01 | 江苏科利恩净水科技有限公司 | A kind of low-phosphorus antiincrustation corrosion inhibitor and preparation method thereof |
| CN109110933B (en) * | 2018-08-22 | 2021-05-04 | 江苏科利恩净水科技有限公司 | Low-phosphorus scale and corrosion inhibitor and preparation method thereof |
| CN111533229A (en) * | 2020-05-27 | 2020-08-14 | 昭仕（厦门）新材料有限公司 | Water treatment agent and preparation method thereof |
| CN111762883A (en) * | 2020-06-12 | 2020-10-13 | 上海净豚环保科技有限公司 | Anaerobic granular sludge scale inhibitor and preparation method and application thereof |
| CN113354109A (en) * | 2021-05-20 | 2021-09-07 | 大唐七台河发电有限责任公司 | Method for quickly cleaning scaling on circulating water cooling pipe wall of condenser |
| CN113789227A (en) * | 2021-09-17 | 2021-12-14 | 自然资源部天津海水淡化与综合利用研究所 | Calcium sulfate scale cleaning agent suitable for aluminum alloy heat transfer pipe and preparation method and application thereof |
| CN113789227B (en) * | 2021-09-17 | 2023-05-02 | 自然资源部天津海水淡化与综合利用研究所 | Calcium sulfate scale cleaning agent suitable for aluminum alloy heat transfer tube and preparation method and application thereof |
| CN114084923A (en) * | 2021-12-22 | 2022-02-25 | 上海电站辅机厂有限公司 | Hard scale cleaning device for hot method seawater desalination device |
| CN116622024A (en) * | 2022-10-10 | 2023-08-22 | 广东浪淘砂新型材料有限公司 | High-concentration scale inhibitor for cement-based high-alkali environment sensor and preparation method thereof |
| CN116622024B (en) * | 2022-10-10 | 2023-12-08 | 广东浪淘砂新型材料有限公司 | High-concentration scale inhibitor for cement-based high-alkali environment sensor and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107324512B (en) | 2020-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107324512A (en) | The fouling cleaning agent and cleaning method of iron-smelter flushing cinder water system | |
| CN104451026B (en) | A kind of converter clean circulating water system on-line cleaning prefilming method | |
| CN101417843B (en) | Secondary cooling water recycling process of steel plant continuous casting | |
| CN103787475B (en) | A kind of high efficiency sewage treating agent | |
| CN107138030A (en) | Wet desulfurization system synergy scale inhibition heavy metals removal agent and preparation method thereof | |
| CN101417841B (en) | Process for treating revolving furnace flue gas dedusting water from steel mill by low hardness method | |
| CN106566677B (en) | A kind of the cleaning dispersing agent and preparation method of the scale removal of oil field oil pipeline on-line cleaning | |
| CN101817598A (en) | Scale-removing cleaning solution for thermal pipeline and preparation method thereof | |
| CN204824459U (en) | Gasification furnace black water treatment facilities | |
| CN103011462B (en) | Device and method for treating waste residues of circulating make-up water by reutilizing lime softening method of power plant | |
| CN101851028B (en) | Preparation of scale removing and preventing agent for ash-removing water system | |
| CN104016523B (en) | A kind for the treatment of unit of pickling iron content waste water and treatment process | |
| CN102826582B (en) | Method for producing impurity-containing liquid calcium chloride by using converter dedusting wastewater | |
| CN102285723A (en) | Dust deposition inhibitor for dedusting water system in steel plant | |
| CN107399863A (en) | The joint processing system and method for Boiler Chemical waste water and air preheater flushing water | |
| CN113716710B (en) | Low-temperature non-solidification phosphorus-free corrosion and scale inhibitor, preparation method thereof and scale inhibition method | |
| CN106809912A (en) | Hot rolling oil sludge air floatation oil removal system and oil removal method | |
| CN214693919U (en) | Steel slag aggregate cleaning system | |
| CN109095483A (en) | A kind of system and its application method of oxalate precipitation method recycling power plant desulfurization wastewater calcium and magnesium | |
| CN1067230A (en) | Nitrogen fertilizer plant's ammonia-containing water and contain ammonia circulating water treatment technology | |
| CN206997260U (en) | Iron-smelter flushing cinder water-system pipeline fouling cleaning device | |
| CN112299733A (en) | Method for stably and safely eliminating poor stability of hot splashing steel slag aggregate by acid washing and cleaning system | |
| CN206219295U (en) | A kind of Texaco gasifier buck high efficient resourcing recycling system | |
| CN108555003A (en) | A kind of lime-ash processing method and processing device | |
| CN206219345U (en) | A kind of processing system for improving Texaco gasifier buck water quality |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |