CN104445646A - Scale removal and prevention agent for boiler and preparation method of scale removal and prevention agent - Google Patents

Scale removal and prevention agent for boiler and preparation method of scale removal and prevention agent Download PDF

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Publication number
CN104445646A
CN104445646A CN201410683670.8A CN201410683670A CN104445646A CN 104445646 A CN104445646 A CN 104445646A CN 201410683670 A CN201410683670 A CN 201410683670A CN 104445646 A CN104445646 A CN 104445646A
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China
Prior art keywords
parts
acid
anticrustator
sodium
preparation
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Granted
Application number
CN201410683670.8A
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Chinese (zh)
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CN104445646B (en
Inventor
夏戊君
凌云
陆赛君
金可心
陈亮
程胜
凌天阳
陆鼎
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Boao Zongheng Network Technology Co ltd
Suzhou Qidesheng Environmental Protection Technology Co ltd
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SUZHOU YOUJUN ENVIRONMENTAL SCIENCE AND TECHNOLOGY Co Ltd
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Priority to CN201410683670.8A priority Critical patent/CN104445646B/en
Publication of CN104445646A publication Critical patent/CN104445646A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12Treatment 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 nitrogen
    • C02F5/125Treatment 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 nitrogen combined with inorganic substances
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/22Eliminating or preventing deposits, scale removal, scale prevention

Abstract

The invention discloses a scale removal and prevention agent for a boiler and a preparation method of the scale removal and prevention agent. The scale removal and prevention agent is prepared from the following raw materials in parts by weight: 25-60 parts of citric acid, 15-35 parts of hydrochloric acid, 12-40 parts of sodium chloride, 12-35 parts of sodium hexametaphosphate, 8-25 parts of sodium pyrophosphate, 13-25 parts of acrylic acid, 8-22 parts of ammonium nitrate, 8-19 parts of sulfamic acid and 35-60 parts of de-ionized water. The scale removal and prevention agent can be used for different boilers, the scale prevention rate reaches more than 95%, and the energy consumption of the boiler is remarkably reduced.

Description

A kind of Anticrustator for descaling boiler and preparation method thereof
Technical field
The present invention relates to scale remover field, particularly relate to a kind of Anticrustator for descaling boiler and preparation method thereof.
Background technology
In Industrial processes, boiler often produces incrustation scale, by increasing energy consumption after incrustation scale produces, thus increases production cost.Scale inhibitor of the prior art exists following not enough: first, usage quantity is larger; Secondly, antiscaling effect is lower; Moreover, corrosive nature is existed to boiler itself.Therefore, develop good, the nontoxic nothing erosion of a kind of antiscaling effect, safe and reliable, ground easy and simple to handle scale inhibitor is very important.
Summary of the invention
the technical problem solved:
In order to provide, a kind of drug effect deenergized period is long, antiscaling effect good, nontoxic without erosion, scale inhibitor safe and reliable, easy and simple to handle, the invention provides a kind of Anticrustator for descaling boiler and preparation method thereof.
technical scheme:
A kind of Anticrustator for descaling boiler, makes by following raw material weight number proportioning: citric acid 25-60 part, hydrochloric acid 15-35 part, sodium-chlor 12-40 part, Sodium hexametaphosphate 99 12-35 part, trisodium phosphate 8-25 part, vinylformic acid 13-25 part, ammonium nitrate 8-22 part, thionamic acid 8-19 part, initiator 3-14 part, acrylic resin jointing compound 4-16 part, deionized water 35-60 part.
As a preferred embodiment of the present invention, make by following raw material weight number proportioning: citric acid 30-55 part, hydrochloric acid 20-30 part, sodium-chlor 15-35 part, Sodium hexametaphosphate 99 15-30 part, trisodium phosphate 10-22 part, vinylformic acid 15-24 part, ammonium nitrate 9-20 part, thionamic acid 9-17 part, initiator 5-12 part, acrylic resin jointing compound 5-14, deionized water 40-55 part.
A preparation method for Anticrustator for descaling boiler, comprises the following steps:
(1) add citric acid, hydrochloric acid, sodium-chlor and deionized water in a kettle., reactor temperature is 35-56 DEG C, is uniformly mixed 1.2-2.3 hour;
(2) in the solution of step (1), add Sodium hexametaphosphate 99, trisodium phosphate, vinylformic acid, ammonium nitrate and thionamic acid, in reactor, temperature rises to 63-78 DEG C, continues reaction 1.1-2.8 hour;
(3) obtain in solution to step (2) and add initiator and acrylic resin jointing compound, separate out precipitation;
(4) centrifugal treating, acquisition solid, dry and can obtain scale cleaning agent under 102-123 DEG C of condition.
As a preferred technical solution of the present invention, step (1) adds citric acid, hydrochloric acid, sodium-chlor and deionized water in a kettle., and reactor temperature is 48 DEG C, is uniformly mixed 1.8 hours.
As a preferred technical solution of the present invention, in the solution of step (1), add Sodium hexametaphosphate 99, trisodium phosphate, vinylformic acid, ammonium nitrate and thionamic acid in step (2), in reactor, temperature rises to 74 DEG C, continues reaction 2.3 hours.
As a preferred technical solution of the present invention, step (4), through centrifugal treating, acquisition solid, is dried and can be obtained scale cleaning agent under 116 DEG C of conditions.
beneficial effect
A kind of Anticrustator for descaling boiler of the present invention and preparation method thereof adopts above technical scheme to have following technique effect: the first, scale inhibition efficiency is high; The second, drug effect is long for deenergized period; Three, nontoxic without erosion, safe and reliable, easy and simple to handle.
Embodiment
Embodiment 1:
A kind of Anticrustator for descaling boiler, makes by following raw material weight number proportioning: citric acid 25 parts, hydrochloric acid 15 parts, 12 parts, sodium-chlor, Sodium hexametaphosphate 99 12 parts, trisodium phosphate 8 parts, 13 parts, vinylformic acid, 8 parts, ammonium nitrate, thionamic acid 8 parts, initiator 3 parts, acrylic resin jointing compound 4 parts, deionized water 35 parts.
A preparation method for Anticrustator for descaling boiler, comprises the following steps:
(1) add citric acid, hydrochloric acid, sodium-chlor and deionized water in a kettle., reactor temperature is 35 DEG C, is uniformly mixed 1.2 hours;
(2) in the solution of step (1), add Sodium hexametaphosphate 99, trisodium phosphate, vinylformic acid, ammonium nitrate and thionamic acid, in reactor, temperature rises to 63 DEG C, continues reaction 1.1 hours;
(3) obtain in solution to step (2) and add initiator and acrylic resin jointing compound, separate out precipitation;
(4) centrifugal treating, acquisition solid, dry and can obtain scale cleaning agent under 102 DEG C of conditions.
The solid scale preventing and removing agent scale inhibition performance that the program obtains is 97.3%, and drug effect reaches 1a deenergized period; Nontoxic without erosion, safe and reliable, easy and simple to handle.
Embodiment 2:
A kind of Anticrustator for descaling boiler, makes by following raw material weight number proportioning: citric acid 30 parts, hydrochloric acid 20 parts, 15 parts, sodium-chlor, Sodium hexametaphosphate 99 15 parts, trisodium phosphate 10 parts, 16 parts, vinylformic acid, 11 parts, ammonium nitrate, thionamic acid 11 parts, initiator 5 parts, acrylic resin jointing compound 6 parts, deionized water 40 parts.
A preparation method for Anticrustator for descaling boiler, comprises the following steps:
(1) add citric acid, hydrochloric acid, sodium-chlor and deionized water in a kettle., reactor temperature is 40 DEG C, is uniformly mixed 1.5 hours;
(2) in the solution of step (1), add Sodium hexametaphosphate 99, trisodium phosphate, vinylformic acid, ammonium nitrate and thionamic acid, in reactor, temperature rises to 66 DEG C, continues reaction 1.6 hours;
(3) obtain in solution to step (2) and add initiator and acrylic resin jointing compound, separate out precipitation;
(4) centrifugal treating, acquisition solid, dry and can obtain scale cleaning agent under 106 DEG C of conditions.
The solid scale preventing and removing agent scale inhibition performance that the program obtains is 98.1%, and drug effect reaches 1.2a deenergized period; Nontoxic without erosion, safe and reliable, easy and simple to handle.
Embodiment 3:
A kind of Anticrustator for descaling boiler, makes by following raw material weight number proportioning: citric acid 35 parts, hydrochloric acid 25 parts, 20 parts, sodium-chlor, Sodium hexametaphosphate 99 20 parts, trisodium phosphate 12 parts, 19 parts, vinylformic acid, 14 parts, ammonium nitrate, thionamic acid 13 parts, initiator 7 parts, acrylic resin jointing compound 9 parts, deionized water 45 parts.
A preparation method for Anticrustator for descaling boiler, comprises the following steps:
(1) add citric acid, hydrochloric acid, sodium-chlor and deionized water in a kettle., reactor temperature is 44 DEG C, is uniformly mixed 1.7 hours;
(2) in the solution of step (1), add Sodium hexametaphosphate 99, trisodium phosphate, vinylformic acid, ammonium nitrate and thionamic acid, in reactor, temperature rises to 69 DEG C, continues reaction 1.9 hours;
(3) obtain in solution to step (2) and add initiator and acrylic resin jointing compound, separate out precipitation;
(4) centrifugal treating, acquisition solid, dry and can obtain scale cleaning agent under 109 DEG C of conditions.
The solid scale preventing and removing agent scale inhibition performance that the program obtains is 98.9%, and drug effect reaches 1.3a deenergized period; Nontoxic without erosion, safe and reliable, easy and simple to handle.
Embodiment 4:
A kind of Anticrustator for descaling boiler, makes by following raw material weight number proportioning: citric acid 40 parts, hydrochloric acid 30 parts, 25 parts, sodium-chlor, Sodium hexametaphosphate 99 25 parts, trisodium phosphate 16 parts, 22 parts, vinylformic acid, 18 parts, ammonium nitrate, thionamic acid 16 parts, initiator 9 parts, acrylic resin jointing compound 11 parts, deionized water 50 parts.
A preparation method for Anticrustator for descaling boiler, comprises the following steps:
(1) add citric acid, hydrochloric acid, sodium-chlor and deionized water in a kettle., reactor temperature is 48 DEG C, is uniformly mixed 2.1 hours;
(2) in the solution of step (1), add Sodium hexametaphosphate 99, trisodium phosphate, vinylformic acid, ammonium nitrate and thionamic acid, in reactor, temperature rises to 74 DEG C, continues reaction 2.3 hours;
(3) obtain in solution to step (2) and add initiator and acrylic resin jointing compound, separate out precipitation;
(4) centrifugal treating, acquisition solid, dry and can obtain scale cleaning agent under 116 DEG C of conditions.
The solid scale preventing and removing agent scale inhibition performance that the program obtains is 99.3%, and drug effect reaches 1.5a deenergized period; Nontoxic without erosion, safe and reliable, easy and simple to handle.
Embodiment 5:
A kind of Anticrustator for descaling boiler, makes by following raw material weight number proportioning: citric acid 60 parts, hydrochloric acid 35 parts, 40 parts, sodium-chlor, Sodium hexametaphosphate 99 35 parts, trisodium phosphate 25 parts, 25 parts, vinylformic acid, 22 parts, ammonium nitrate, thionamic acid 19 parts, initiator 14 parts, acrylic resin jointing compound 16 parts, deionized water 60 parts.
A preparation method for Anticrustator for descaling boiler, comprises the following steps:
(1) add citric acid, hydrochloric acid, sodium-chlor and deionized water in a kettle., reactor temperature is 56 DEG C, is uniformly mixed 2.3 hours;
(2) in the solution of step (1), add Sodium hexametaphosphate 99, trisodium phosphate, vinylformic acid, ammonium nitrate and thionamic acid, in reactor, temperature rises to 78 DEG C, continues reaction 2.8 hours;
(3) obtain in solution to step (2) and add initiator and acrylic resin jointing compound, separate out precipitation;
(4) centrifugal treating, acquisition solid, dry and can obtain scale cleaning agent under 123 DEG C of conditions.
The solid scale preventing and removing agent scale inhibition performance that the program obtains is 99.9%, and drug effect reaches 1.6a deenergized period; Nontoxic without erosion, safe and reliable, easy and simple to handle.

Claims (6)

1. an Anticrustator for descaling boiler, it is characterized in that, make by following raw material weight number proportioning: citric acid 25-60 part, hydrochloric acid 15-35 part, sodium-chlor 12-40 part, Sodium hexametaphosphate 99 12-35 part, trisodium phosphate 8-25 part, vinylformic acid 13-25 part, ammonium nitrate 8-22 part, thionamic acid 8-19 part, initiator 3-14 part, acrylic resin jointing compound 4-16 part, deionized water 35-60 part.
2. a kind of Anticrustator for descaling boiler according to claim 1, it is characterized in that, make by following raw material weight number proportioning: citric acid 30-55 part, hydrochloric acid 20-30 part, sodium-chlor 15-35 part, Sodium hexametaphosphate 99 15-30 part, trisodium phosphate 10-22 part, vinylformic acid 15-24 part, ammonium nitrate 9-20 part, thionamic acid 9-17 part, initiator 5-12 part, acrylic resin jointing compound 5-14, deionized water 40-55 part.
3. the preparation method of a kind of Anticrustator for descaling boiler described in claim 1, is characterized in that, comprise the following steps:
(1) add citric acid, hydrochloric acid, sodium-chlor and deionized water in a kettle., reactor temperature is 35-56 DEG C, is uniformly mixed 1.2-2.3 hour;
(2) in the solution of step (1), add Sodium hexametaphosphate 99, trisodium phosphate, vinylformic acid, ammonium nitrate and thionamic acid, in reactor, temperature rises to 63-78 DEG C, continues reaction 1.1-2.8 hour;
(3) obtain in solution to step (2) and add initiator and acrylic resin jointing compound, separate out precipitation;
(4) centrifugal treating, acquisition solid, dry and can obtain scale cleaning agent under 102-123 DEG C of condition.
4. the preparation method of a kind of Anticrustator for descaling boiler according to claim 3, it is characterized in that, step (1) adds citric acid, hydrochloric acid, sodium-chlor and deionized water in a kettle., and reactor temperature is 48 DEG C, is uniformly mixed 1.8 hours.
5. the preparation method of a kind of Anticrustator for descaling boiler according to claim 3, it is characterized in that, in the solution of step (1), add Sodium hexametaphosphate 99, trisodium phosphate, vinylformic acid, ammonium nitrate and thionamic acid in step (2), in reactor, temperature rises to 74 DEG C, continues reaction 2.3 hours.
6. the preparation method of a kind of Anticrustator for descaling boiler according to claim 3, is characterized in that, step (4) through centrifugal treating, obtain solid, dry under 116 DEG C of conditions and can obtain scale cleaning agent.
CN201410683670.8A 2014-11-25 2014-11-25 A kind of Anticrustator for descaling boiler and preparation method thereof Expired - Fee Related CN104445646B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113415876A (en) * 2021-06-29 2021-09-21 江苏云尚环保装备有限公司 Scale remover for leachate anaerobic system and preparation method thereof

Citations (7)

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CN1130599A (en) * 1995-03-07 1996-09-11 中国科学院化学研究所 High-efficient faintly acid scale preventing and removing agent
JP2004105824A (en) * 2002-09-17 2004-04-08 Ebara Corp Scale preventive agent and prevention method for water system
CN101786733A (en) * 2010-04-08 2010-07-28 山东省特种设备检验研究院淄博分院 Propenol itaconic acid sulfonate multipolymer scale inhibiting agent and preparation method thereof
CN102146149A (en) * 2010-02-09 2011-08-10 天津市特隆生化有限公司 Novel scale inhibition and dispersion agent
CN102198982A (en) * 2010-03-26 2011-09-28 中国石油天然气股份有限公司 Scale and corrosion inhibitor for circulating cooling water
CN102851672A (en) * 2012-09-25 2013-01-02 海尔科化工程塑料国家工程研究中心股份有限公司 Special antiscaling agent for water heater
CN103232571A (en) * 2013-04-08 2013-08-07 青岛科海生物有限公司 Production method of environment-friendly itaconic acid polymer water treatment agent

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1130599A (en) * 1995-03-07 1996-09-11 中国科学院化学研究所 High-efficient faintly acid scale preventing and removing agent
JP2004105824A (en) * 2002-09-17 2004-04-08 Ebara Corp Scale preventive agent and prevention method for water system
CN102146149A (en) * 2010-02-09 2011-08-10 天津市特隆生化有限公司 Novel scale inhibition and dispersion agent
CN102198982A (en) * 2010-03-26 2011-09-28 中国石油天然气股份有限公司 Scale and corrosion inhibitor for circulating cooling water
CN101786733A (en) * 2010-04-08 2010-07-28 山东省特种设备检验研究院淄博分院 Propenol itaconic acid sulfonate multipolymer scale inhibiting agent and preparation method thereof
CN102851672A (en) * 2012-09-25 2013-01-02 海尔科化工程塑料国家工程研究中心股份有限公司 Special antiscaling agent for water heater
CN103232571A (en) * 2013-04-08 2013-08-07 青岛科海生物有限公司 Production method of environment-friendly itaconic acid polymer water treatment agent

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113415876A (en) * 2021-06-29 2021-09-21 江苏云尚环保装备有限公司 Scale remover for leachate anaerobic system and preparation method thereof

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Inventor after: Wang Linyun

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