CN103420515A - Preparation method of diethylenetriamine penta (methylene phosphonic acid) pentasodium salt compound scale inhibitor - Google Patents
Preparation method of diethylenetriamine penta (methylene phosphonic acid) pentasodium salt compound scale inhibitor Download PDFInfo
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- CN103420515A CN103420515A CN2012101640449A CN201210164044A CN103420515A CN 103420515 A CN103420515 A CN 103420515A CN 2012101640449 A CN2012101640449 A CN 2012101640449A CN 201210164044 A CN201210164044 A CN 201210164044A CN 103420515 A CN103420515 A CN 103420515A
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- phosphonic acid
- diethylene triamine
- triamine pentamethylene
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- pentamethylene phosphonic
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Abstract
The invention discloses a preparation method of a diethylenetriamine penta (methylene phosphonic acid) pentasodium salt compound scale inhibitor, belonging to the field of chemical engineering. A main raw material diethylenetriamine penta (methylene phosphonic acid) pentasodium salt and auxiliary materials of hydroxyl ethidene diphosphonic acid sodium salt, amino trimethylene phosphonic acid potassium salt and a phosphono carboxylic acid copolymer react in a reaction kettle container for a certain time at proper temperature to prepare the diethylenetriamine penta (methylene phosphonic acid) pentasodium salt compound scale inhibitor. The method has advantages of simple production technology, low cost and no discharge of ''three wastes''; and the product is applicable to a cooling water system in high pH value condition, and has excellent scale inhibition effect and excellent corrosion inhibition effect.
Description
Technical field
Product of the present invention belongs to chemical field, relates in particular to a kind of compound method of diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss.
Background technology
Diethylene triamine pentamethylene phosphonic five sodium are a kind of organophosphorus series Scale inhibitorss, outward appearance is amber transparent liquid, molecular formula is C9H23O15N3P5Na5, relative molecular mass is 683.2, diethylene triamine pentamethylene phosphonic five sodium are a kind of neutral products, nontoxic, be used as the anti-incrustation corrosion inhibitor of recirculated cooling water and feedwater in water treatment, also can be used as peroxide stabiliser, for textile printing and dyeing, dispersion agent, the middle trace element of sequestrant, pigment carries agent, concrete additive, in addition, at aspects such as papermaking, plating and makeup, also be widely applied.It is main raw material that diethylene triamine pentamethylene phosphonic five sodium are take in the present invention; take 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium, Amino Trimethylene Phosphonic Acid potassium, copolymer of phosphono carboxylic acid is auxiliary material; take chemical reaction kettle as container; being aided with suitable temperature and reaction times prepares diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss; there is production technique simple; with low cost, without the advantage of " three wastes " discharge.Wherein the characteristics of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium are: can form stable complex compound with many kinds of metal ions such as iron, copper, zinc, the oxide compound on energy dissolution of metals surface, still can play good corrosion-mitigation scale-inhibition effect under 250 ℃, still very stable under high pH value, facile hydrolysis, can not belong to ion with underwater gold, and especially calcium ion forms six annulus inner complexs, during with other water conditioner compound uses, show desirable synergistic effect; Amino Trimethylene Phosphonic Acid potassium has higher solubleness, can stop the formation of scaling salt class formation incrustation scale, particularly calcium carbonate scale in water; Copolymer of phosphono carboxylic acid has good dispersing property to the calcium carbonate in recirculated cooling water, calcium phosphate scale; and the good restraining effect that deposits to barium sulfate and Strontium Sulphate and silicon dirt; there is synergism with other organic phosphonate, polymer combination; calcium carbonate in water, calcium sulfate, barium sulfate, Calcium Fluoride (Fluorspan) and silicon dirt are had to good scale inhibition and dispersion performance, with phosphonate is composite, there is good synergistic function.Diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss are applicable to the cooling water system under high pH value condition, except fabulous scale effect is arranged, also have good corrosion mitigating effect.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of method that batch prepares diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss, this product is with diethylene triamine pentamethylene phosphonic five sodium, the 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium, Amino Trimethylene Phosphonic Acid potassium, copolymer of phosphono carboxylic acid is raw material, take chemical reaction kettle as container, be aided with suitable temperature and reaction times, prepare diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss, the proportioning raw materials of producing this product use is: diethylene triamine pentamethylene phosphonic five sodium 61%-63%, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium 20%-22%, Amino Trimethylene Phosphonic Acid potassium 7%, copolymer of phosphono carboxylic acid 10%.
The present invention can be achieved through the following technical solutions:
A kind of compound method of diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss, its feature consists of following steps:
(1) diethylene triamine pentamethylene phosphonic of formula ratio five sodium, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium being started to stirrer after sending in chemical reaction kettle stirs, rotating speed is 28 rev/mins, send into steam immediately in the reactor interlayer, make slowly to heat up in reactor, control temperature between 45 ℃-50 ℃, stirring reaction 0.5 hour.
(2) stop the steam supply to reactor, be cooled between 25 ℃-30 ℃, continue to stir, add Amino Trimethylene Phosphonic Acid potassium, the copolymer of phosphono carboxylic acid of formula ratio simultaneously, stir after 0.5 hour and stop stirring, obtain finished product after being cooled to normal temperature.
Temperature in above-mentioned steps (1) is 48 ℃.
Temperature in above-mentioned steps (2) is 28 ℃.
The invention has the beneficial effects as follows: the production method that a kind of diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss are provided, this production method has the advantages such as technique is simple, reaction conditions is gentle, production cost is low, good product quality, product is applicable to the cooling water system under high pH value condition, except fabulous scale effect is arranged, also there is good corrosion mitigating effect.
Embodiment
Embodiment 1
By accounting for diethylene triamine pentamethylene phosphonic five sodium that total amount is 61%, account for after 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium that total amount is 22% is sent in chemical reaction kettle and start stirrer and stir, rotating speed is 28 rev/mins, send into steam immediately in the reactor interlayer, make slowly to heat up in reactor, control temperature between 45 ℃-50 ℃, stirring reaction 0.5 hour; Stop the steam supply to reactor; be cooled between 25 ℃-30 ℃, continue stir, add to account for Amino Trimethylene Phosphonic Acid potassium that total amount is 7%, account for the copolymer of phosphono carboxylic acid that total amount is 10% simultaneously; stir after 0.5 hour and stop stirring, obtain finished product after being cooled to normal temperature.
Embodiment 2
By accounting for diethylene triamine pentamethylene phosphonic five sodium that total amount is 62%, account for after 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium that total amount is 21% is sent in chemical reaction kettle and start stirrer and stir, rotating speed is 28 rev/mins, send into steam immediately in the reactor interlayer, make slowly to heat up in reactor, control temperature between 45 ℃-50 ℃, stirring reaction 0.5 hour; Stop the steam supply to reactor; be cooled between 25 ℃-30 ℃, continue stir, add to account for Amino Trimethylene Phosphonic Acid potassium that total amount is 7%, account for the copolymer of phosphono carboxylic acid that total amount is 10% simultaneously; stir after 0.5 hour and stop stirring, obtain finished product after being cooled to normal temperature.
Embodiment 3
By accounting for diethylene triamine pentamethylene phosphonic five sodium that total amount is 63%, account for after 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium that total amount is 20% is sent in chemical reaction kettle and start stirrer and stir, rotating speed is 28 rev/mins, send into steam immediately in the reactor interlayer, make slowly to heat up in reactor, control temperature between 45 ℃-50 ℃, stirring reaction 0.5 hour; Stop the steam supply to reactor; be cooled between 25 ℃-30 ℃, continue stir, add to account for Amino Trimethylene Phosphonic Acid potassium that total amount is 7%, account for the copolymer of phosphono carboxylic acid that total amount is 10% simultaneously; stir after 0.5 hour and stop stirring, obtain finished product after being cooled to normal temperature.
Claims (3)
1. the compound method of diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss, its composition of raw materials counts by weight percentage, and comprising: diethylene triamine pentamethylene phosphonic five sodium 61%-63%, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium 20%-22%, Amino Trimethylene Phosphonic Acid potassium 7%, copolymer of phosphono carboxylic acid 10%; It is characterized in that: step (1) is started stirrer and is stirred after sending the diethylene triamine pentamethylene phosphonic of formula ratio five sodium, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid disodium in chemical reaction kettle, rotating speed is 28 rev/mins, send into steam immediately in the reactor interlayer, make slowly to heat up in reactor, control temperature between 45 ℃-50 ℃, stirring reaction 0.5 hour; Step (2) stops the steam supply to reactor, is cooled between 25 ℃-30 ℃, continue to stir, and adds Amino Trimethylene Phosphonic Acid potassium, the copolymer of phosphono carboxylic acid of formula ratio simultaneously, stirs after 0.5 hour and stops stirring, and obtains finished product after being cooled to normal temperature.
2. the compound method of a kind of diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss according to claim 1, the feature of its step (1) is: described temperature is 48 ℃.
3. the compound method of a kind of diethylene triamine pentamethylene phosphonic five sodium composite Scale inhibitorss according to claim 1, the feature of its step (2) is: described temperature is 28 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101640449A CN103420515A (en) | 2012-05-25 | 2012-05-25 | Preparation method of diethylenetriamine penta (methylene phosphonic acid) pentasodium salt compound scale inhibitor |
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| CN2012101640449A CN103420515A (en) | 2012-05-25 | 2012-05-25 | Preparation method of diethylenetriamine penta (methylene phosphonic acid) pentasodium salt compound scale inhibitor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098191A (en) * | 2014-07-01 | 2014-10-15 | 西安瑞杰油田物资实业开发有限公司 | Barium-strontium scale inhibitor for oil extraction in oil fields and preparation method for barium-strontium scale inhibitor |
| CN106380008A (en) * | 2016-08-30 | 2017-02-08 | 山东胜伟园林科技有限公司 | Scale inhibitor for alkaline soil and preparation method thereof |
| CN106380007A (en) * | 2016-11-21 | 2017-02-08 | 大庆祥通石化有限公司 | Preparation method of alkaline-surfactant-polymer flooding silicon scale formation anti-scaling agent |
-
2012
- 2012-05-25 CN CN2012101640449A patent/CN103420515A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098191A (en) * | 2014-07-01 | 2014-10-15 | 西安瑞杰油田物资实业开发有限公司 | Barium-strontium scale inhibitor for oil extraction in oil fields and preparation method for barium-strontium scale inhibitor |
| CN106380008A (en) * | 2016-08-30 | 2017-02-08 | 山东胜伟园林科技有限公司 | Scale inhibitor for alkaline soil and preparation method thereof |
| CN106380007A (en) * | 2016-11-21 | 2017-02-08 | 大庆祥通石化有限公司 | Preparation method of alkaline-surfactant-polymer flooding silicon scale formation anti-scaling agent |
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Application publication date: 20131204 |