CN109013585A - Do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover - Google Patents
Do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover Download PDFInfo
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- CN109013585A CN109013585A CN201810917412.XA CN201810917412A CN109013585A CN 109013585 A CN109013585 A CN 109013585A CN 201810917412 A CN201810917412 A CN 201810917412A CN 109013585 A CN109013585 A CN 109013585A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
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Abstract
The invention discloses a kind of do not stop production extra large pipe pitching and the compound stain eliminating technologies of scale remover, sea pipe is upper to be equipped with pitching entrance close to crude oil import one end, it is exported close to crude exports one end equipped with pitching, crude oil does not stop production flowing from crude oil import to crude exports, first the first pipe cleaner is put into from pitching entrance, after the first pipe cleaner is from pitching outlet outflow, put into the second pipe cleaner, when the second pipe cleaner flows at extra large length of tube a quarter, scale remover is put into from crude oil import, after to be cleaned dose of 6~8h of investment, the second pipe cleaner is put into again, above-mentioned the second pipe cleaner of investment, scale remover, putting into the second pipe cleaner again is primary complete cleaning process, above-mentioned complete cleaning process is repeated until the weight of last time discharge dirt is less than 3kg.The present invention can effectively clear the dirt accumulated in the pipe of sea, and the extra large pipe scale removal operation of progress can be synchronized in the case where not stopping production.
Description
Technical field
The present invention relates to a kind of extra large pipe stain eliminating technologies.It is more particularly related to it is a kind of do not stop production extra large pipe pitching and
The compound stain eliminating technology of scale remover belongs to extra large pipe descalling technique field.
Background technique
Extra large pipe long-play, the impurity such as internal meeting dirt deposits, wax crystalline substance, macromolecule organic, influences transfer efficiency.
In order to guarantee the normal operation of extra large pipe, need periodically to progress pigging scale removal inside extra large pipe.It is more in current pigging stain eliminating technology
Number is all using single logical ball scale removal (putting into pipe cleaner into pipeline, pipe cleaner takes away dirt during flowing)
Method or chemical agent scale removal (put into scale remover, scale remover and dirt react with by dirt corrosion heel row into pipeline
Method out), but since extra large pipe pipeline is generally long, and after long-play, the dirt amount accumulated in pipeline is more,
And the sticky contaminants such as greasy dirt can be adhered to toward contact in fouled surfaces, be difficult to obtain using a kind of single descaling method preferable clear
Pipe scale removal effect.In addition, majority needs to carry out in the case where halt production, this will be greatly reduced in current pigging stain eliminating technology
Transfer efficiency.Using the compound stain eliminating technology of logical ball descalling technique and chemical agent descalling technique, pigging can be greatly enhanced and removed
Dirty effect, and the extra large pipe scale removal operation of progress can be synchronized in the case where not stopping production, guarantee transfer efficiency.
Summary of the invention
It is an object of the present invention to provide a kind of do not stop production extra large pipe pitching and the compound stain eliminating technologies of scale remover, can remove
The dirt accumulated in the pipe of sea, and the extra large pipe scale removal operation of progress can be synchronized in the case where not stopping production.
In order to realize these purposes and other advantages according to the present invention, a kind of do not stop production extra large pipe pitching and scale removal are provided
The compound stain eliminating technology of agent, sea pipe is upper to be equipped with pitching entrance close to crude oil import one end, goes out close to crude exports one end equipped with pitching
Mouthful, crude oil does not stop production flowing from crude oil import to crude exports, first from pitching entrance the first pipe cleaner of investment, to the first pipe cleaner
After pitching outlet outflow, the second pipe cleaner is put into, when the second pipe cleaner flows at extra large length of tube a quarter, from crude oil
Import puts into scale remover, after to be cleaned dose of 6~8h of investment, puts into the second pipe cleaner, above-mentioned the second pipe cleaner of investment, scale removal again
Agent puts into the as primary complete cleaning process of the second pipe cleaner again, repeats above-mentioned complete cleaning process until last time row
The weight of dirt is less than 3kg out；
Wherein, the first pipe cleaner is spherical shape polyurethane foam ball, and the diameter of the first pipe cleaner is bigger than extra large bore
1.5%, the second pipe cleaner includes: pig body, the first scale removal component and the second scale removal component, wherein pig body packet
It includes integrally formed cylindric body and coniform device head of the body wherein on an end face is set, and the tip of device head is outwardly,
And the face size of body is equal and outer diameter is bigger than extra large bore by 1.5% for the face size of device head, along far from device on body side wall
The length direction of head is successively arranged the first scale removal component and the second scale removal component, and the first scale removal component and the second scale removal component wrap
Three steel discs and three blades are included, steel disc and blade are shoe structure, and three steel discs are along the circumferential uniformly patch in the same section of body
If steel disc surface is equipped with multiple V-arrangement convex blocks, the V-arrangement angle of convex block is 30 ° and the extra large inside pipe wall of vertex direction, on each convex block
It is covered with steel wire bristle, three blades are circumferentially uniformly distributed along the same section of body and are respectively positioned on side of the steel disc far from device head,
Wherein an arc side is fixed on body side wall blade, another arc side is towards device head, and the angle between blade and body side wall is
45 °, projection of three blades on body end face is overlapped with projection of three steel discs on the same end face of body, on body side wall
Part between blade and steel disc is provided with the annular groove that depth is body diameter 10%, three steel discs of the first scale removal component
Projection of three steel discs of projection and the second scale removal component on body end face on the same end face of body is in circular ring shape, pigging
The material of device ontology is polyurethane, and the material of steel disc, blade and convex block is stainless steel.
Preferably, scale remover includes the raw material of following parts by weight: 8~10 parts of methenamine, maltonic acid sodium 8~10
Part, 6~8 parts of glycyrrhizin sodium, 8~10 parts of polyepoxy sodium succinate, 6~8 parts of four sodium of glutamic acid diacetic acid, ethylenediamine tetra-acetic acid four
6~8 parts of sodium, 8~10 parts of poly-aspartate, 4~6 parts of sodium ethylenediamine tetramethylenephosphonate, double five methenes of 1,6- hexamethylene triamine
4~6 parts of phosphonic acids, 7~9 parts of fatty alcohol polyoxyethylene ether, 5~7 parts of neopelex, 3~5 parts of lauryl amine, lysozyme 1
~2 parts, 1~2 part of trehalose, 1~2 part of glycine, 0.5~1.5 part of caffeic acid, 5~8 parts of glycerol, 1~2 part of ammonium persulfate, three
1~3 part of ethanol amine and 140~160 parts of deionized water.
Preferably, lysozyme is egg white lysozyme.
Preferably, scale remover preparation method the following steps are included:
Step 1: weighing the methenamine, maltonic acid sodium and glycyrrhizin sodium of above-mentioned parts by weight, and β-is added in mixing
Cyclodextrin and zirconia ball, be subsequently placed in revolving speed be 600r/min, ball milling 12h under conditions of ratio of grinding media to material is 5:1, mistake after taking-up
Then 100 mesh screens are added the deionized water dissolving for accounting for parts by weight 10% in formula, sequentially add above-mentioned parts by weight
Polyepoxy sodium succinate, four sodium of glutamic acid diacetic acid and tetrasodium ethylenediamine tetraacetate, stir evenly, obtain the first mixed liquor, wherein
The additive amount of beta-cyclodextrin is 2 times of methenamine weight；
Step 2: weighing the fatty alcohol polyoxyethylene ether and neopelex of above-mentioned parts by weight, mixes, and is added
The deionized water for accounting for parts by weight 20% in formula, is placed in 50 DEG C of water baths, stirs under conditions of 1000r/min
Then 30min sequentially adds the lauryl amine of the first mixed liquor and above-mentioned parts by weight made from step 1, continue constant temperature stirring
3h obtains the second mixed liquor；
Step 3: weighing the trehalose and glycine of above-mentioned parts by weight, crush respectively, sieve with 100 mesh sieve net, and mixing adds
Enter the deionized water for accounting for parts by weight 10% in formula, is placed in 100 DEG C of water baths, is stirred under conditions of 500r/min
2h is down to room temperature, obtains protection liquid, and the pH for adjusting protection liquid is 6.5, while the Acetic acid-sodium acetate buffer that pH is 6.5 is added,
It stirs evenly, adds the lysozyme of above-mentioned parts by weight, obtain lysozyme soln, weigh the caffeic acid of above-mentioned parts by weight and sweet
Oil, mixing, the deionized water that addition accounts for parts by weight 10% in formula are added in lysozyme soln after coffee acid dissolution,
It is uniformly mixed, is placed in 40 DEG C of water baths, the ultrasonication 1h for being first 300W with frequency, then in the item of 2000r/min
It is stirred to react for 24 hours, takes out under part, be down to room temperature, then the filter membrane for being 0.45 μm with aperture filters, and obtains modified lysozyme soln；Its
In, the additive amount of Acetic acid-sodium acetate buffer is protect liquid weight 5%；
Step 4: weigh above-mentioned parts by weight poly-aspartate, sodium ethylenediamine tetramethylenephosphonate and double 1,6- it is sub- oneself
Five methylenephosphonic acid of base triamine, mixing are added the remaining deionized water for accounting for parts by weight 50% in formula, are placed in 50 DEG C of water-bath rings
In border, 30min is stirred under conditions of 500r/min, then sequentially add while stirring the second mixed liquor made from step 2,
The ammonium persulfate and triethanolamine of above-mentioned parts by weight, then 1h is stirred under conditions of 2000r/min, it is down to room temperature, obtains third
Mixed liquor, the pH for adjusting third mixed liquor is 6.5~7.5, and the phosphate buffer that pH is 6.8 is added, and is stirred evenly, then
Modified lysozyme soln made from step 3 is added, 1h is dispersed with stirring under conditions of 5000r/min, filters, obtains scale remover,
In, the additive amount of phosphate buffer is the 8% of third mixed liquor weight.
Preferably, the diameter of zirconia ball is 3mm in step 1.
Preferably, using the filter cloth suction filtering of 100 mesh when being filtered in step 4.
The present invention is include at least the following beneficial effects:
(1) in compound stain eliminating technology provided by the invention, logical ball descalling technique and chemical agent descalling technique is used in combination,
The effect of pigging scale removal can be greatly enhanced, wherein scale remover can react with dirt, so that dirt is fluffed softening, then
Under the induced effect of pipe cleaner, easily the dirt after reaction can be taken out of, thus greatly enhance scale removal effect and
Scale removal efficiency.
(2) in compound stain eliminating technology provided by the invention, the second pipe cleaner can be well by the dirt after reaction from sea
Wipe off on inside pipe wall, and be smoothly discharged under the impetus of the second pipe cleaner, wherein device head be coniform and tip outwardly,
It can reduce resistance of second pipe cleaner during advance, and set on the steel disc in the first scale removal component and the second scale removal component
There are multiple V-arrangement convex blocks, the dirt on extra large inside pipe wall can be dispersed as small pieces dirt well by the steel wire bristle covered on V-arrangement convex block
Dirt causes " card ball " existing if being easy to block extra large pipe during discharge because the dirt sheet after reaction falls off
As leading to not scale removal, the design of blade then can sufficiently wipe the small pieces dirt broken up off, to make dirt in impetus
Under the annular groove that is discharged, and is provided between blade and steel disc can collect the dirt that storage is scraped by blade, improve scale removal effect
Rate and effect, in addition, three steel of projection and second scale removal component of three steel discs of the first scale removal component on body end face
Piece when the projection on the same end face of body is in circular ring shape, all broken up and scraped by the dirt that sea can be made to manage on entire inner wall,
It removes the dirt on extra large inside pipe wall sufficiently, and not will cause the blocking of extra large pipe.
(3) methenamine, maltonic acid sodium and glycyrrhizin in compound stain eliminating technology provided by the invention, in scale remover
Sodium can remove the metal ions such as calcium ion, magnesium ion, iron ion in dirt, so that dirt is fluffed, after being convenient for
The progress of continuous scale removal, and fatty alcohol polyoxyethylene ether and neopelex have wetting and osmosis, can promote
Methenamine, maltonic acid sodium and glycyrrhizin sodium go deep into inside dirt, with abundant corrosion dirt, and methenamine, the Portugal D-
There is synergistic effect between grape sodium saccharate and glycyrrhizin sodium three, respective molten dirt effect can be enhanced, improve reaction rate and removing
Effect is gradually goed deep into dirt and is reacted in addition, this three and reacting for dirt are mild, therefore can be to avoid large stretch of dirty
Dirt falls off and blocks extra large pipe.Polyepoxy sodium succinate, four sodium of glutamic acid diacetic acid and tetrasodium ethylenediamine tetraacetate can be with dirts
Water soluble salt and the metal ion reaction formed after corrosion, forms stable chelate, prevents the generation of secondary precipitation, reduction removes
Dirty effect, and polyepoxy sodium succinate also has the double effects of scale inhibition, inhibition can prevent the generation of new dirt, can also be with
Weaken corrosion of the scale remover to pipeline.Poly-aspartate, sodium ethylenediamine tetramethylenephosphonate and double five first of 1,6- hexamethylene triamine
Pitching phosphonic acids is all efficient scale inhibitor, the generation of carbonate scale, sulfate scale and grease can be prevented well, especially for carbon
The scale inhibition performance of silicate dirt and sulfate scale is up to 100%, to guarantee that extra large pipe can in a long time will not after scaling operation
A large amount of dirts are deposited, to extend the time that uses of extra large pipe, and sodium ethylenediamine tetramethylenephosphonate and double 1,6- hexamethylene triamines five
Methylenephosphonic acid can play synergistic effect with poly-aspartate, enhance the scale effect of poly-aspartate, in addition, these types of ingredient
Also there is corrosion inhibition, the corrosion that can be prevented or weaken scale remover to pipeline.
(4) in compound stain eliminating technology provided by the invention, scale remover is neutrality, will not cause to corrode to extra large pipe, enhance
The safety used, and most ingredients (such as polyepoxy sodium succinate, poly-aspartate, fatty alcohol polyoxy in scale remover
Vinethene) all there is good biological degradability, it does not pollute the environment, it is more environmentally-friendly.But simultaneously because the majority in scale remover
Ingredient has biological degradability, and during long-time service, microorganism easy to breed, bacterium etc. cause scale remover corruption to become
Matter, reduces the molten dirt effect of scale remover, scale remover generation can be prevented putrid and deteriorated by adding lysozyme, guarantee scale remover
Quality, extend scale remover uses the time.Since lysozyme is easy to be influenced by external environment in use, lead to enzyme
Activity is reduced or is completely lost, ineffective, and by being modified modification to lysozyme, the stability of lysozyme can be improved,
Its enzymatic activity is set to be maintained at higher level.In modifying process, under the protective effect of trehalose and glycine, first with ultrasound
Wave is activated lysozyme, and the lysozyme and caffeic acid after activation is then made under conditions of high-speed stirred occur anti-
It answers, to modify lysozyme, enhances the stability of lysozyme, prevent lysozyme by external environment or other compositions shadow
When ringing, enzymatic activity is reduced or losed, so that the activity of lysozyme be made to be maintained at higher level.
(5) in compound stain eliminating technology provided by the invention, methenamine, maltonic acid sodium and glycyrrhizin sodium are main
This three progress ball milling can be effectively reduced partial size, so that it is preferably dissolved dispersion, to improve the equal of scale remover by molten dirt ingredient
Even property and stability, but amount of heat can be generated in mechanical milling process, lead to methenamine, maltonic acid sodium and glycyrrhizin sodium hair
Changing property, molecular structure change, and can reduce molten dirt effect, and the heat of mechanical milling process generation can be absorbed in beta-cyclodextrin, prevents
Methenamine, maltonic acid sodium and glycyrrhizin sodium are denaturalized, while beta-cyclodextrin can also play lubricating action, prevent Wu Luo
Tropine, maltonic acid sodium and glycyrrhizin sodium occur largely to reunite during ball milling, to guarantee methenamine, D-Glucose
The homogeneity of sour sodium and glycyrrhizin sodium solid powder granularity.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the main view of the second pipe cleaner described in one of technical solution of the present invention；
Fig. 2 is the first scale removal component described in one of technical solution of the present invention and the second scale removal component on body end face
Perspective view；
Fig. 3 is scale removal schematic diagram described in the one of embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with example with reference to the accompanying drawing, to enable those skilled in the art's reference say
Bright book text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in Figure 1, 2, the present invention provides a kind of do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover, Hai Guanshang
Pitching entrance is equipped with close to crude oil import one end, is exported close to crude exports one end equipped with pitching, and crude oil is from crude oil import to original
Oil export does not stop production flowing, first puts into the first pipe cleaner from pitching entrance, after the first pipe cleaner is from pitching outlet outflow, first
Pipe cleaner flows to pitching outlet under the drive of crude oil flow power and pressure itself power, from pitching entrance, for detecting sea
Whether pipe is unimpeded, just illustrates that sea pipe is unimpeded when the first pipe cleaner can be exported and be flowed out from pitching, can carry out subsequent scale removal work
Industry puts into the second pipe cleaner, when the second pipe cleaner flows at extra large length of tube a quarter, is examined by electronics by indicator
The position for surveying the second pipe cleaner puts into scale remover from crude oil import, after to be cleaned dose of 6~8h of investment, scale remover and surface layer at this time
Dirt is reacted, and substantially by surface layer dirt corrosion, it is made to become soft, is easy to be scraped off, is put into the second pipe cleaner again,
Dirt soft after reaction can then be wiped off discharge by second pipe cleaner, and above-mentioned the second pipe cleaner of investment, is thrown scale remover again
Entering the second pipe cleaner is primary complete cleaning process, repeats above-mentioned complete cleaning process until the weight of dirt is discharged in last time
Amount is less than 3kg；The dirt that sea can be managed to interior deposition by the way that above-mentioned cleaning process is repeated several times gradually removes, and will not block
Hai Guan；
Wherein, the first pipe cleaner is spherical shape polyurethane foam ball, and the diameter of the first pipe cleaner is bigger than extra large bore
1.5%, polyurethane has elasticity well, and the first pipe cleaner can be made to pass through extra large pipe, the second pipe cleaner in the case where interference
It include: pig body 1, the first scale removal component 2 and the second scale removal component 3, wherein pig body 1 includes integrally formed
Cylindric body 4 and coniform device head 5 of the body 4 wherein on an end face is set, and the tip of device head 5 is outwardly, design in this way
It can reduce resistance of second pipe cleaner during advance, the face size of device head 5 is equal and outer with the face size of body 4
Diameter is bigger than extra large bore by 1.5%, and 4 face size of body can make 2 He of the first scale removal component on body 4 when being greater than extra large bore
Second scale removal component 3 sufficiently scrapes off dirt, is successively arranged the first scale removal group along the length direction far from device head 5 on 4 side wall of body
Part 2 and the second scale removal component 3, the first scale removal component 2 and the second scale removal component 3 include three steel discs 6 and three blades 7, steel
Piece 6 and blade 7 are shoe structure, and three steel discs 6 are circumferentially uniformly sticked along the same section of body 4, and 6 surface of steel disc is equipped with multiple
V-arrangement convex block, the V-arrangement angle of convex block are 30 ° and the extra large inside pipe wall of vertex direction, are all covered with steel wire bristle on each convex block, so that
Dirt on extra large inside pipe wall is dispersed as small pieces dirt by convex block, prevents de- fall behind in flow process of large stretch of dirt from blocking sea pipe,
Three blades 7 are circumferentially uniformly distributed along the same section of body 4 and are respectively positioned on side of the steel disc 6 far from device head 5, and blade 7 can incite somebody to action
Dirt on extra large inside pipe wall is wiped off to reach scale removal purpose, blade 7 wherein an arc side be fixed on 4 side wall of body, another
For arc side towards device head 5, the angle between 4 side wall of blade 7 and body is 45 °, and design in this way can reduce 7 pairs of blade extra large inside pipe walls
It destroys, prevents extra large inside pipe wall from obvious scratch occur, projection of three blades 7 on 4 end face of body and three steel discs 6 are in body 4
Projection on same end face is overlapped, and it is 4 diameter of body that the part on 4 side wall of body between blade 7 and steel disc 6, which is provided with depth,
10% annular groove, annular groove can collect the dirt that storing blade 7 scrapes, and be discharged with the second pipe cleaner, and raising removes
Dirty effect, three steel discs 6 of projection and second scale removal component 3 of three steel discs 6 of the first scale removal component 2 on 4 end face of body
Projection on the same end face of body 4 is in circular ring shape, in this way design can make sea manage the dirt on entire inner wall all broken up with
It scrapes, so that the dirt on extra large inside pipe wall is adequately cleared, and not will cause the blocking of extra large pipe, the material of pig body 1
For polyurethane, the material of steel disc 6, blade 7 and convex block is stainless steel；Polyurethane has elasticity well, can make the second pigging
Device sufficiently flows out in the case where interference, and steel disc 6, blade 7 and convex block can be such that dirt is adequately cleared using stainless steel material,
Improve scale removal effect.
In this technical solution, in use, the first pipe cleaner is first put into, after the outflow of the first pipe cleaner, investment second
Pipe cleaner, and make flow direction of the arrow of the second pipe cleaner towards crude oil, extra large pipe a quarter is flow to the second pipe cleaner
Place puts into scale remover, and puts into the second pipe cleaner again, and make the arrow of the second pipe cleaner towards the flowing side of crude oil
To, until the weight of last time discharge dirt is less than 3kg, pigging scale removal operation is completed, it, can be sufficiently using this technical solution
The dirt on extra large inside pipe wall, and good descaling effect are removed, scale removal is high-efficient, can also realize that the pigging scale removal under not stopping production is made
Industry guarantees transfer efficiency.
<embodiment 1>
Do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover specifically includes: sea pipe is upper to be equipped with close to crude oil import one end
Pitching entrance is equipped with pitching close to crude exports one end and exports, and crude oil does not stop production flowing from crude oil import to crude exports, elder generation from
Pitching entrance puts into the first pipe cleaner, after the first pipe cleaner is from pitching outlet outflow, the second pipe cleaner is put into, to the second pigging
When device is flowed at extra large length of tube a quarter, scale remover is put into from crude oil import, after to be cleaned dose of investment 8h, puts into the again
Two pipe cleaners, above-mentioned the second pipe cleaner of investment, scale remover put into the as primary complete cleaning process of the second pipe cleaner, weight again
Multiple above-mentioned complete cleaning process is until the weight of last time discharge dirt is less than 3kg.
Wherein, scale remover includes the raw material of following parts by weight: 10 parts of methenamine, 10 parts of maltonic acid sodium, glycyrrhizin
8 parts of sodium, 10 parts of polyepoxy sodium succinate, 8 parts of four sodium of glutamic acid diacetic acid, 7 parts of tetrasodium ethylenediamine tetraacetate, poly-aspartate 10
Part, 6 parts of sodium ethylenediamine tetramethylenephosphonate, 6 parts of five methylenephosphonic acid of double 1,6- hexamethylene triamines, 9 parts of fatty alcohol polyoxyethylene ether,
7 parts of neopelex, 5 parts of lauryl amine, 2 parts of lysozyme, 2 parts of trehalose, 2 parts of glycine, 1.5 parts of caffeic acid, glycerol 8
Part, 2 parts of ammonium persulfate, 3 parts of triethanolamine and 160 parts of deionized water.Lysozyme is egg white lysozyme.
The preparation method of scale remover includes: the methenamine for weighing above-mentioned parts by weight, maltonic acid sodium and glycyrrhizin
The zirconia ball that beta-cyclodextrin and diameter are 3mm is added in sodium, mixing, be subsequently placed in revolving speed be 600r/min, ratio of grinding media to material 5:1
Under conditions of ball milling 12h, net is sieved with 100 mesh sieve after taking-up, then be added account for formula in parts by weight 10% deionized water dissolving,
The polyepoxy sodium succinate, four sodium of glutamic acid diacetic acid and tetrasodium ethylenediamine tetraacetate for sequentially adding above-mentioned parts by weight, are stirred
It mixes uniformly, obtains the first mixed liquor, wherein the additive amount of beta-cyclodextrin is 2 times of methenamine weight；Weigh above-mentioned parts by weight
Fatty alcohol polyoxyethylene ether and neopelex, mixing, be added account for formula in parts by weight 20% deionized water,
It is placed in 50 DEG C of water baths, 30min is stirred under conditions of 1000r/min, then sequentially add the first mixed liquor and above-mentioned
The lauryl amine of parts by weight continues constant temperature and stirs 3h, obtains the second mixed liquor；Weigh the trehalose and sweet ammonia of above-mentioned parts by weight
Acid crushes respectively, sieves with 100 mesh sieve net, and mixing is added the deionized water for accounting for parts by weight 10% in formula, is placed in 100 DEG C of water-baths
In environment, 2h is stirred under conditions of 500r/min, is down to room temperature, obtain protection liquid, the pH for adjusting protection liquid is 6.5, is added simultaneously
Enter the Acetic acid-sodium acetate buffer that pH is 6.5, stirs evenly, add the lysozyme of above-mentioned parts by weight, it is molten to obtain lysozyme
Liquid weighs the caffeic acid and glycerol of above-mentioned parts by weight, and the deionized water for accounting for parts by weight 10% in formula is added in mixing, to
It after coffee acid dissolution, is added in lysozyme soln, is uniformly mixed, is placed in 40 DEG C of water baths, is first 300W's with frequency
Then ultrasonication 1h is stirred to react for 24 hours under conditions of 2000r/min, takes out, be down to room temperature, then with aperture be 0.45 μ
The filter membrane of m filters, and obtains modified lysozyme soln；Wherein, the additive amount of Acetic acid-sodium acetate buffer is protect liquid weight 5%；
Weigh the five methene phosphine of poly-aspartate, sodium ethylenediamine tetramethylenephosphonate and double 1,6- hexamethylene triamines of above-mentioned parts by weight
Acid, mixing are added the remaining deionized water for accounting for parts by weight 50% in formula, are placed in 50 DEG C of water baths, in 500r/
30min is stirred under conditions of min, then sequentially add while stirring the second mixed liquor, above-mentioned parts by weight ammonium persulfate and
Triethanolamine, then 1h is stirred under conditions of 2000r/min, it is down to room temperature, obtains third mixed liquor, adjusts the pH of third mixed liquor
It is 7.0, and the phosphate buffer that pH is 6.8 is added, stir evenly, modified lysozyme soln is then added, in 5000r/min
Under conditions of be dispersed with stirring 1h, using the filter cloth suction filtering of 100 mesh, obtain scale remover, wherein the additive amount of phosphate buffer is the
The 8% of three mixed liquor weight.
<embodiment 2>
Do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover specifically includes: sea pipe is upper to be equipped with close to crude oil import one end
Pitching entrance is equipped with pitching close to crude exports one end and exports, and crude oil does not stop production flowing from crude oil import to crude exports, elder generation from
Pitching entrance puts into the first pipe cleaner, after the first pipe cleaner is from pitching outlet outflow, the second pipe cleaner is put into, to the second pigging
When device is flowed at extra large length of tube a quarter, scale remover is put into from crude oil import, after to be cleaned dose of investment 6h, puts into the again
Two pipe cleaners, above-mentioned the second pipe cleaner of investment, scale remover put into the as primary complete cleaning process of the second pipe cleaner, weight again
Multiple above-mentioned complete cleaning process is until the weight of last time discharge dirt is less than 3kg.
Wherein, scale remover includes the raw material of following parts by weight: 8 parts of methenamine, 8 parts of maltonic acid sodium, glycyrrhizin sodium 6
Part, 9 parts of polyepoxy sodium succinate, 7 parts of four sodium of glutamic acid diacetic acid, 8 parts of tetrasodium ethylenediamine tetraacetate, 9 parts of poly-aspartate, second
4 parts of diamines tetramethylene phosphonic acid sodium, 4 parts of five methylenephosphonic acid of double 1,6- hexamethylene triamines, 8 parts of fatty alcohol polyoxyethylene ether, 12
6 parts of sodium alkyl benzene sulfonate, 4 parts of lauryl amine, 1.5 parts of lysozyme, 1.5 parts of trehalose, 1.5 parts of glycine, 1 part of caffeic acid, glycerol 6
Part, 1.5 parts of ammonium persulfate, 2 parts of triethanolamine and 140 parts of deionized water.Lysozyme is egg white lysozyme.
The preparation method of scale remover includes: the methenamine for weighing above-mentioned parts by weight, maltonic acid sodium and glycyrrhizin
The zirconia ball that beta-cyclodextrin and diameter are 3mm is added in sodium, mixing, be subsequently placed in revolving speed be 600r/min, ratio of grinding media to material 5:1
Under conditions of ball milling 12h, net is sieved with 100 mesh sieve after taking-up, then be added account for formula in parts by weight 10% deionized water dissolving,
The polyepoxy sodium succinate, four sodium of glutamic acid diacetic acid and tetrasodium ethylenediamine tetraacetate for sequentially adding above-mentioned parts by weight, are stirred
It mixes uniformly, obtains the first mixed liquor, wherein the additive amount of beta-cyclodextrin is 2 times of methenamine weight；Weigh above-mentioned parts by weight
Fatty alcohol polyoxyethylene ether and neopelex, mixing, be added account for formula in parts by weight 20% deionized water,
It is placed in 50 DEG C of water baths, 30min is stirred under conditions of 1000r/min, then sequentially add the first mixed liquor and above-mentioned
The lauryl amine of parts by weight continues constant temperature and stirs 3h, obtains the second mixed liquor；Weigh the trehalose and sweet ammonia of above-mentioned parts by weight
Acid crushes respectively, sieves with 100 mesh sieve net, and mixing is added the deionized water for accounting for parts by weight 10% in formula, is placed in 100 DEG C of water-baths
In environment, 2h is stirred under conditions of 500r/min, is down to room temperature, obtain protection liquid, the pH for adjusting protection liquid is 6.5, is added simultaneously
Enter the Acetic acid-sodium acetate buffer that pH is 6.5, stirs evenly, add the lysozyme of above-mentioned parts by weight, it is molten to obtain lysozyme
Liquid weighs the caffeic acid and glycerol of above-mentioned parts by weight, and the deionized water for accounting for parts by weight 10% in formula is added in mixing, to
It after coffee acid dissolution, is added in lysozyme soln, is uniformly mixed, is placed in 40 DEG C of water baths, is first 300W's with frequency
Then ultrasonication 1h is stirred to react for 24 hours under conditions of 2000r/min, takes out, be down to room temperature, then with aperture be 0.45 μ
The filter membrane of m filters, and obtains modified lysozyme soln；Wherein, the additive amount of Acetic acid-sodium acetate buffer is protect liquid weight 5%；
Weigh the five methene phosphine of poly-aspartate, sodium ethylenediamine tetramethylenephosphonate and double 1,6- hexamethylene triamines of above-mentioned parts by weight
Acid, mixing are added the remaining deionized water for accounting for parts by weight 50% in formula, are placed in 50 DEG C of water baths, in 500r/
30min is stirred under conditions of min, then sequentially add while stirring the second mixed liquor, above-mentioned parts by weight ammonium persulfate and
Triethanolamine, then 1h is stirred under conditions of 2000r/min, it is down to room temperature, obtains third mixed liquor, adjusts the pH of third mixed liquor
It is 7.5, and the phosphate buffer that pH is 6.8 is added, stir evenly, modified lysozyme soln is then added, in 5000r/min
Under conditions of be dispersed with stirring 1h, using the filter cloth suction filtering of 100 mesh, obtain scale remover, wherein the additive amount of phosphate buffer is the
The 8% of three mixed liquor weight.
<embodiment 3>
Do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover specifically includes: sea pipe is upper to be equipped with close to crude oil import one end
Pitching entrance is equipped with pitching close to crude exports one end and exports, and crude oil does not stop production flowing from crude oil import to crude exports, elder generation from
Pitching entrance puts into the first pipe cleaner, after the first pipe cleaner is from pitching outlet outflow, the second pipe cleaner is put into, to the second pigging
When device is flowed at extra large length of tube a quarter, scale remover is put into from crude oil import, after to be cleaned dose of investment 7h, puts into the again
Two pipe cleaners, above-mentioned the second pipe cleaner of investment, scale remover put into the as primary complete cleaning process of the second pipe cleaner, weight again
Multiple above-mentioned complete cleaning process is until the weight of last time discharge dirt is less than 3kg.
Wherein, scale remover includes the raw material of following parts by weight: 9 parts of methenamine, 9 parts of maltonic acid sodium, glycyrrhizin sodium 7
Part, 8 parts of polyepoxy sodium succinate, 6 parts of four sodium of glutamic acid diacetic acid, 6 parts of tetrasodium ethylenediamine tetraacetate, 8 parts of poly-aspartate, second
5 parts of diamines tetramethylene phosphonic acid sodium, 5 parts of five methylenephosphonic acid of double 1,6- hexamethylene triamines, 7 parts of fatty alcohol polyoxyethylene ether, 12
5 parts of sodium alkyl benzene sulfonate, 3 parts of lauryl amine, 1 part of lysozyme, 1 part of trehalose, 1 part of glycine, 0.5 part of caffeic acid, 5 parts of glycerol,
1 part of ammonium persulfate, 1 part of triethanolamine and 150 parts of deionized water.Lysozyme is egg white lysozyme.
The preparation method of scale remover includes: the methenamine for weighing above-mentioned parts by weight, maltonic acid sodium and glycyrrhizin
The zirconia ball that beta-cyclodextrin and diameter are 3mm is added in sodium, mixing, be subsequently placed in revolving speed be 600r/min, ratio of grinding media to material 5:1
Under conditions of ball milling 12h, net is sieved with 100 mesh sieve after taking-up, then be added account for formula in parts by weight 10% deionized water dissolving,
The polyepoxy sodium succinate, four sodium of glutamic acid diacetic acid and tetrasodium ethylenediamine tetraacetate for sequentially adding above-mentioned parts by weight, are stirred
It mixes uniformly, obtains the first mixed liquor, wherein the additive amount of beta-cyclodextrin is 2 times of methenamine weight；Weigh above-mentioned parts by weight
Fatty alcohol polyoxyethylene ether and neopelex, mixing, be added account for formula in parts by weight 20% deionized water,
It is placed in 50 DEG C of water baths, 30min is stirred under conditions of 1000r/min, then sequentially add the first mixed liquor and above-mentioned
The lauryl amine of parts by weight continues constant temperature and stirs 3h, obtains the second mixed liquor；Weigh the trehalose and sweet ammonia of above-mentioned parts by weight
Acid crushes respectively, sieves with 100 mesh sieve net, and mixing is added the deionized water for accounting for parts by weight 10% in formula, is placed in 100 DEG C of water-baths
In environment, 2h is stirred under conditions of 500r/min, is down to room temperature, obtain protection liquid, the pH for adjusting protection liquid is 6.5, is added simultaneously
Enter the Acetic acid-sodium acetate buffer that pH is 6.5, stirs evenly, add the lysozyme of above-mentioned parts by weight, it is molten to obtain lysozyme
Liquid weighs the caffeic acid and glycerol of above-mentioned parts by weight, and the deionized water for accounting for parts by weight 10% in formula is added in mixing, to
It after coffee acid dissolution, is added in lysozyme soln, is uniformly mixed, is placed in 40 DEG C of water baths, is first 300W's with frequency
Then ultrasonication 1h is stirred to react for 24 hours under conditions of 2000r/min, takes out, be down to room temperature, then with aperture be 0.45 μ
The filter membrane of m filters, and obtains modified lysozyme soln；Wherein, the additive amount of Acetic acid-sodium acetate buffer is protect liquid weight 5%；
Weigh the five methene phosphine of poly-aspartate, sodium ethylenediamine tetramethylenephosphonate and double 1,6- hexamethylene triamines of above-mentioned parts by weight
Acid, mixing are added the remaining deionized water for accounting for parts by weight 50% in formula, are placed in 50 DEG C of water baths, in 500r/
30min is stirred under conditions of min, then sequentially add while stirring the second mixed liquor, above-mentioned parts by weight ammonium persulfate and
Triethanolamine, then 1h is stirred under conditions of 2000r/min, it is down to room temperature, obtains third mixed liquor, adjusts the pH of third mixed liquor
It is 6.5, and the phosphate buffer that pH is 6.8 is added, stir evenly, modified lysozyme soln is then added, in 5000r/min
Under conditions of be dispersed with stirring 1h, using the filter cloth suction filtering of 100 mesh, obtain scale remover, wherein the additive amount of phosphate buffer is the
The 8% of three mixed liquor weight.
In order to illustrate effect of the invention, it is as follows that inventor provides comparative experiments:
<comparative example 1>
Extra large pipe pitching and the compound stain eliminating technology of scale remover are not stopped production with embodiment 1, the difference is that: in the system of scale remover
Beta-cyclodextrin is not added during standby, other technical process are identical with parameter.
<comparative example 2>
Extra large pipe pitching and the compound stain eliminating technology of scale remover are not stopped production with embodiment 1, the difference is that: in the system of scale remover
Trehalose, glycine, caffeic acid and glycerol are not added during standby, directly addition lysozyme, without changing to lysozyme
Property processing, other technical process are identical with parameter.
The method of evaluating combined stain eliminating technology scale removal effect: 5 sections of dirts of selection are equal in weight, dirt composition and dirt are distributed
The length of almost the same extra large pipe pipeline section, every section of extra large pipe is consistent, and crude oil flow velocity is equal, be respectively adopted Examples 1 to 3 and
The compound stain eliminating technology of comparative example 1~2 carries out pigging scale removal test to 5 sections of extra large pipes, and each section of sea is managed before detection is tested and after test
Interior dirt thickness by dirt THICKNESS CALCULATION dirt weight, and calculates descaling rate (%).
Method of the evaluating combined stain eliminating technology to corrosive pipeline degree: lacing film vector method is used, stainless steel test piece is weighed, puts
Enter in the scale remover prepared in Examples 1 to 3 and comparative example 1~2, after being dipped to the predetermined time, takes out test piece, it is cleaned, dry
It is as follows to calculate strip product, test piece weight loss and corrosion rate, calculation formula for weighing after dry:
Corrosion rate=test piece weight loss × 106/ (strip product × soaking time)
Wherein, test piece weight loss-g；Strip product-mm2；Soaking time-h；Corrosion rate-g/ (m2·h)。
The method that the dehydration subsequent on crude oil of evaluating combined stain eliminating technology influences: 6 parts of same crude oil, every part of crude quality are weighed
It is equal, quality equal demulsifier and defoaming agent are added into every part of crude oil, and be separately added into implementation in 5 parts of crude oil thereto
The scale remover prepared in example 1~3 and comparative example 1~2, the additive amount of scale remover are the 10% of crude quality, remaining 1 part of original
Oil is used as blank sample, and the deionized water equal with scale remover quality is added into blank sample, and it is de- that crude oil demulsification is carried out at 60 DEG C
Water test, respectively at the dehydrating amount (ml) of 30min, 60min, 120min Statistics Implementation example 1~3, comparative example 1~2 and blank sample.
Through counting, scale removal effect such as the following table 1 of Examples 1 to 3 and comparative example 1~2, Examples 1 to 3 and comparative example 1~2
The corrosion rate such as the following table 2 of middle scale remover to test piece, the dehydrating amount of Examples 1 to 3, comparative example 1~2 and blank sample such as the following table 3:
[table 1]
| Group | Descaling rate (%) |
| Embodiment 1 | 92.1 |
| Embodiment 2 | 90.4 |
| Embodiment 3 | 91.5 |
| Comparative example 1 | 50.6 |
| Comparative example 2 | 53.8 |
[table 2]
[table 3]
| Group | 30min | 60min | 120min |
| Embodiment 1 | 8.6 | 9.4 | 10.1 |
| Embodiment 2 | 8.4 | 9.2 | 10.0 |
| Embodiment 3 | 8.5 | 9.3 | 10.1 |
| Comparative example 1 | 8.3 | 9.0 | 9.9 |
| Comparative example 2 | 8.2 | 9.0 | 9.9 |
| Blank sample | 8.3 | 9.2 | 9.9 |
From upper table 1, it can be seen that the descaling rate of Examples 1 to 3 is 90% or more, this is primarily due to the dirt in extra large pipe
Dirt can become soft after reacting with scale remover, and honeycomb can be presented by the dirt after scale remover gradually corrosion, when second clearly
When pipe device passes through, it is easy to wipe the dirt after corrosion off removing, see Fig. 3 (scale removal schematic diagram), and then be discharged, to obtain ratio
Comparatively ideal scale removal effect illustrates that the compound stain eliminating technology of Examples 1 to 3 manages the interior dirt deposited to sea and has good scale removal
Effect, from upper table 2, it can be seen that Examples 1 to 3 is respectively less than 0.4g/ (m to the corrosion rate of test piece2H), far below country
3~5g/ of primary standard (m2H) corrosion rate illustrates that Examples 1 to 3 to the extent of corrosion very little of test piece, can be ignored not
Meter, also the extent of corrosion very little of pipeline can be neglected, from upper table 3, it can be seen that and blank in side light Examples 1 to 3
Sample is compared, and the dehydrating amount of Examples 1 to 3 has certain increase, illustrates that Examples 1 to 3 not only will not dehydration generation subsequent to crude oil
Adverse effect, can suitably promote the dehydration of crude oil instead, thus illustrate the compound stain eliminating technology of Examples 1 to 3 offer not only
With good scale removal effect, and pipeline will not be caused obviously to corrode, it will not the unfavorable shadow of dehydration generation subsequent to crude oil
It rings, wherein with embodiment 1 be most preferred embodiment.
Compared with Example 1, the extra large pipe pitching that do not stop production is identical with the compound stain eliminating technology of scale remover, difference for comparative example 1
Be: without addition beta-cyclodextrin in the preparation process of scale remover, other technical process are identical with parameter.From upper table 1
, it can be seen that compared with Example 1, the descaling rate of comparative example 1 is substantially reduced, illustrate that the scale removal effect of comparative example 1 will be far below
Embodiment 1, this is primarily due to: the amount of heat that mechanical milling process generates leads to methenamine, maltonic acid sodium and glycyrrhizin
Sodium is denaturalized, and molecular structure changes, so that the molten dirt effect of scale remover is reduced, and mechanical milling process can be absorbed in beta-cyclodextrin
The heat of generation prevents methenamine, maltonic acid sodium and glycyrrhizin sodium to be denaturalized, while beta-cyclodextrin can also play profit
Sliding effect prevents methenamine, maltonic acid sodium and glycyrrhizin sodium from occurring largely to reunite during ball milling, to guarantee crow
The homogeneity of Lip river tropine, maltonic acid sodium and glycyrrhizin sodium solid powder granularity.
Compared with Example 1, the extra large pipe pitching that do not stop production is identical with the compound stain eliminating technology of scale remover, difference for comparative example 2
It is: without addition trehalose, glycine, caffeic acid and glycerol in the preparation process of scale remover, directly adds lysozyme,
Without being modified processing to lysozyme, other technical process are identical with parameter.From upper table 1, it can be seen that with implementation
Example 1 is compared, and the descaling rate of comparative example 2 is far below embodiment 1, illustrates that the scale removal effect of comparative example 2 will be far below embodiment 1, this
Be primarily due to: lysozyme is easy the influence by external environment or scale remover other compositions in use, leads to enzyme activity
Property reduce or completely lose, it is ineffective, by being modified modification to lysozyme, the stability of lysozyme can be improved, make
Its enzymatic activity is maintained at higher level.In modifying process, under the protective effect of trehalose and glycine, first with ultrasonic wave
Lysozyme is activated, the lysozyme after activation is then made under conditions of high-speed stirred reacts with caffeic acid,
To modify lysozyme, enhances the stability of lysozyme, prevent lysozyme from being influenced by external environment or other compositions
When, enzymatic activity reduces or loses, so that the activity of lysozyme be made to be maintained at higher level, prevents scale remover putrid and deteriorated, guarantees
The quality of scale remover.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein and example.
Claims (6)
1. do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover, which is characterized in that sea pipe is upper to be set close to crude oil import one end
There is pitching entrance, pitching is equipped with close to crude exports one end exports, crude oil does not stop production flowing from crude oil import to crude exports, elder generation
The first pipe cleaner is put into from pitching entrance, after the first pipe cleaner is from pitching outlet outflow, puts into the second pipe cleaner, it is clear to second
When pipe device is flowed at extra large length of tube a quarter, after crude oil import investment scale remover, to be cleaned dose of 6~8h of investment, again
Put into the second pipe cleaner, above-mentioned the second pipe cleaner of investment, scale remover, to put into the second pipe cleaner again be once completely to clean
Journey repeats above-mentioned complete cleaning process until the weight of last time discharge dirt is less than 3kg；
Wherein, the first pipe cleaner is spherical shape polyurethane foam ball, and the diameter of the first pipe cleaner is bigger than extra large bore by 1.5%, the
Two pipe cleaners include: pig body, the first scale removal component and the second scale removal component, wherein pig body include one at
The cylindric body of type and coniform device head of the body wherein on an end face is set, and the tip of device head is outwardly, the end of device head
Face size is equal with the face size of body and outer diameter is bigger than extra large bore by 1.5%, along the length far from device head on body side wall
Direction is successively arranged the first scale removal component and the second scale removal component, and the first scale removal component and the second scale removal component include three steel
Piece and three blades, steel disc and blade are shoe structure, and three steel discs are circumferentially uniformly sticked along the same section of body, steel disc table
Face is equipped with multiple V-arrangement convex blocks, and the V-arrangement angle of convex block is 30 ° and the extra large inside pipe wall of vertex direction, is all covered with steel wire on each convex block
Bristle, three blades are circumferentially uniformly distributed along the same section of body and are respectively positioned on side of the steel disc far from device head, blade wherein one
Arc side is fixed on body side wall, another arc side is towards device head, and the angle between blade and body side wall is 45 °, three knives
Projection of the piece on body end face is overlapped with projection of three steel discs on the same end face of body, on body side wall be located at blade and
Part between steel disc is provided with the annular groove that depth is body diameter 10%, and three steel discs of the first scale removal component are in body end face
On projection and projection of three steel discs on the same end face of body of the second scale removal component be in circular ring shape, the material of pig body
Matter is polyurethane, and the material of steel disc, blade and convex block is stainless steel.
2. do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover as described in claim 1, which is characterized in that scale remover packet
Include the raw material of following parts by weight: 8~10 parts of methenamine, 8~10 parts of maltonic acid sodium, 6~8 parts of glycyrrhizin sodium, polycyclic oxygen
8~10 parts of sodium succinate, 6~8 parts of four sodium of glutamic acid diacetic acid, 6~8 parts of tetrasodium ethylenediamine tetraacetate, poly-aspartate 8~10
Part, 4~6 parts of sodium ethylenediamine tetramethylenephosphonate, 4~6 parts of five methylenephosphonic acid of double 1,6- hexamethylene triamines, aliphatic alcohol polyethenoxy
7~9 parts of ether, 5~7 parts of neopelex, 3~5 parts of lauryl amine, 1~2 part of lysozyme, 1~2 part of trehalose, glycine
1~2 part, 0.5~1.5 part of caffeic acid, 5~8 parts of glycerol, 1~2 part of ammonium persulfate, 1~3 part of triethanolamine and deionized water
140~160 parts.
3. not stopping production extra large pipe pitching and the compound stain eliminating technology of scale remover as claimed in claim 2, which is characterized in that lysozyme is
Egg white lysozyme.
4. do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover as claimed in claim 2, which is characterized in that scale remover
Preparation method the following steps are included:
Step 1: weighing the methenamine, maltonic acid sodium and glycyrrhizin sodium of above-mentioned parts by weight, mixing, and β-ring paste is added
Essence and zirconia ball, be subsequently placed in revolving speed be 600r/min, ball milling 12h under conditions of ratio of grinding media to material is 5:1,100 mesh are crossed after taking-up
Then sieve is added the deionized water dissolving for accounting for parts by weight 10% in formula, sequentially adds the polycyclic of above-mentioned parts by weight
Oxydisuccinic acid sodium, four sodium of glutamic acid diacetic acid and tetrasodium ethylenediamine tetraacetate, stir evenly, obtain the first mixed liquor, wherein β-ring
The additive amount of dextrin is 2 times of methenamine weight；
Step 2: weighing the fatty alcohol polyoxyethylene ether and neopelex of above-mentioned parts by weight, mixing, and addition, which accounts for, matches
The deionized water of parts by weight 20% in side is placed in 50 DEG C of water baths, 30min is stirred under conditions of 1000r/min, so
The lauryl amine of the first mixed liquor and above-mentioned parts by weight made from step 1 is sequentially added afterwards, is continued constant temperature and is stirred 3h, obtains second
Mixed liquor；
Step 3: weighing the trehalose and glycine of above-mentioned parts by weight, crush respectively, sieve with 100 mesh sieve net, and mixing, addition accounts for
The deionized water of parts by weight 10% in formula is placed in 100 DEG C of water baths, and 2h is stirred under conditions of 500r/min, drop
To room temperature, protection liquid is obtained, the pH for adjusting protection liquid is 6.5, while the Acetic acid-sodium acetate buffer that pH is 6.5 is added, and stirring is equal
It is even, the lysozyme of above-mentioned parts by weight is added, lysozyme soln is obtained, weighs the caffeic acid and glycerol of above-mentioned parts by weight, is mixed
It closes, the deionized water that addition accounts for parts by weight 10% in formula is added in lysozyme soln after coffee acid dissolution, is mixed
Uniformly, it is placed in 40 DEG C of water baths, the ultrasonication 1h for being first 300W with frequency, then under conditions of 2000r/min
It is stirred to react for 24 hours, takes out, be down to room temperature, then the filter membrane for being 0.45 μm with aperture filters, and obtains modified lysozyme soln；Wherein, vinegar
Acid-sodium-acetate buffer additive amount is protect liquid weight 5%；
Step 4: the poly-aspartate, sodium ethylenediamine tetramethylenephosphonate and double 1,6- hexylidenes three of above-mentioned parts by weight are weighed
Five methylenephosphonic acid of amine, mixing are added the remaining deionized water for accounting for parts by weight 50% in formula, are placed in 50 DEG C of water baths
In, 30min is stirred under conditions of 500r/min, then sequentially add while stirring the second mixed liquor made from step 2, on
The ammonium persulfate and triethanolamine of parts by weight are stated, then stirs 1h under conditions of 2000r/min, is down to room temperature, it is mixed to obtain third
Close liquid, adjust third mixed liquor pH be 6.5~7.5, and be added pH be 6.8 phosphate buffer, stir evenly, then plus
Enter modified lysozyme soln made from step 3,1h be dispersed with stirring under conditions of 5000r/min, filters, obtains scale remover,
In, the additive amount of phosphate buffer is the 8% of third mixed liquor weight.
5. do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover as claimed in claim 4, which is characterized in that in step 1
The diameter of zirconia ball is 3mm.
6. do not stop production extra large pipe pitching and the compound stain eliminating technology of scale remover as claimed in claim 4, which is characterized in that in step 4
Using the filter cloth suction filtering of 100 mesh when filtering.
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| Publication number | Publication date |
|---|---|
| CN109013585B (en) | 2021-01-19 |
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