JPH0370789A - Brine composition - Google Patents
Brine compositionInfo
- Publication number
- JPH0370789A JPH0370789A JP1205670A JP20567089A JPH0370789A JP H0370789 A JPH0370789 A JP H0370789A JP 1205670 A JP1205670 A JP 1205670A JP 20567089 A JP20567089 A JP 20567089A JP H0370789 A JPH0370789 A JP H0370789A
- Authority
- JP
- Japan
- Prior art keywords
- brine
- corrosion
- propylene glycol
- equipment
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012267 brine Substances 0.000 title claims abstract description 25
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title claims abstract description 25
- 239000000203 mixture Substances 0.000 title claims abstract description 18
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 47
- -1 bromine compound Chemical class 0.000 claims abstract description 18
- 230000007797 corrosion Effects 0.000 claims abstract description 13
- 238000005260 corrosion Methods 0.000 claims abstract description 13
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 8
- 239000003112 inhibitor Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 229910019142 PO4 Inorganic materials 0.000 abstract description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 abstract description 3
- 239000012964 benzotriazole Substances 0.000 abstract description 3
- 229940100555 2-methyl-4-isothiazolin-3-one Drugs 0.000 abstract description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 abstract description 2
- LVDKZNITIUWNER-UHFFFAOYSA-N Bronopol Chemical compound OCC(Br)(CO)[N+]([O-])=O LVDKZNITIUWNER-UHFFFAOYSA-N 0.000 abstract description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 abstract description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- BEGLCMHJXHIJLR-UHFFFAOYSA-N methylisothiazolinone Chemical compound CN1SC=CC1=O BEGLCMHJXHIJLR-UHFFFAOYSA-N 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- GUUULVAMQJLDSY-UHFFFAOYSA-N 4,5-dihydro-1,2-thiazole Chemical compound C1CC=NS1 GUUULVAMQJLDSY-UHFFFAOYSA-N 0.000 abstract 2
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 15
- 238000005057 refrigeration Methods 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 150000002739 metals Chemical class 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000019645 odor Nutrition 0.000 description 3
- 235000011007 phosphoric acid Nutrition 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 2
- 150000001642 boronic acid derivatives Chemical class 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 150000002826 nitrites Chemical class 0.000 description 2
- 238000010979 pH adjustment Methods 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 150000003016 phosphoric acids Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 1
- 241001290610 Abildgaardia Species 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 description 1
- 229940043276 diisopropanolamine Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000002054 inoculum Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はプライン組成物に関する。詳しくは化学工業、
食品工業薬品工業、化粧品工業、空調設備の冷凍設備及
び冷却設備の伝熱媒体に使用する（従来の技術）
従来、化学工業、食品工業、機械工業、薬品工業、化粧
品工業、空調設備の冷凍設備および冷却設備の伝熱媒体
は、フロン、アンモニアを直接使用する方法と、塩化カ
ルシウム水溶液、１０ピレングリコールを間接的に使用
する方法が知られている。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to prine compositions. For details, please refer to the chemical industry.
Used as a heat transfer medium in food industry, chemical industry, cosmetics industry, refrigeration equipment and cooling equipment of air conditioning equipment (conventional technology) As the heat transfer medium for cooling equipment, there are two known methods: direct use of fluorocarbons and ammonia, and indirect use of calcium chloride aqueous solution and 10-pyrene glycol.
（発明が解決しようとする問題点）
伝熱媒体であるブラインとして塩化カルシウム水溶液が
一般的に使用されているが冷凍設備および冷却設備を構
成する金属を腐食するため装置の耐久性が短い問題があ
る。これに対して伝熱媒体であるブラインとして、プロ
ピレングリコールは塩化カルシウム水溶液に比較し耐蝕
性に優れいる。(Problems to be Solved by the Invention) Calcium chloride aqueous solutions are generally used as brine, which is a heat transfer medium, but there is a problem in that the durability of the equipment is short because it corrodes the metals that make up the refrigeration equipment and cooling equipment. be. On the other hand, as a brine which is a heat transfer medium, propylene glycol has superior corrosion resistance compared to an aqueous calcium chloride solution.
しかしブラインとして、２〜２０重量％の低濃度のプロ
ピレングリコールを長期にわたって使用する冷凍設備お
よび冷却設備のブラインは細菌、バクチリア、微生物等
により分解、酸化等にによりブラインの性能の劣化と共
に悪臭の発生が顕著となり、作業環境が悪化する。さら
に冷凍設備および冷却設備を構成する金属を腐食するた
め装置の耐久性が短い問題がある。However, brines in refrigeration and cooling equipment that use propylene glycol at a low concentration of 2 to 20% by weight over long periods of time are decomposed and oxidized by bacteria, bactilia, microorganisms, etc., resulting in deterioration of brine performance and generation of bad odors. becomes noticeable and the working environment worsens. Furthermore, there is a problem that the durability of the equipment is short because it corrodes the metals that make up the refrigeration equipment and the cooling equipment.
本発明は２〜２０重量％の低濃度のプロピレングリコー
ルを長期にわたって使用する冷凍設備および冷却設備の
ブラインが冷凍設備および冷却設備を構成する金属を腐
食させない、しかも腐敗およびｓｉ＆を発生させないブ
ラインを提供することを目的とする。The present invention provides a brine for refrigeration equipment and cooling equipment that uses propylene glycol at a low concentration of 2 to 20% by weight over a long period of time, which does not corrode the metals constituting the refrigeration equipment and cooling equipment, and does not cause spoilage or SI&. The purpose is to
（問題点を解決するための手段）
本発明は２〜２０重量％のプロピレングリコール水溶液
からなるブラインにおいて、
（＾）イソチアゾリン系化合物またはイソチアゾリン系
化合物と臭素化合物の混合物
（Ｂ）防蝕剤
を含有し、ｐＨが７．０〜１１．０の範囲であることを
特徴とするブライン組成物に関するものである。(Means for Solving the Problems) The present invention provides a brine consisting of a 2 to 20% by weight propylene glycol aqueous solution containing (^) an isothiazoline compound or a mixture of an isothiazoline compound and a bromine compound (B) a corrosion inhibitor. , relates to a brine composition characterized by having a pH in the range of 7.0 to 11.0.
本発明で使用されるプロピレングリコール濃度は、２〜
２Ｏｆｆｉ量％、好ましくは５〜１５重量％の範囲であ
る。The propylene glycol concentration used in the present invention ranges from 2 to
2Offi amount%, preferably in the range of 5 to 15% by weight.
プロピレングリコール水溶液の場合、２重量％で−０，
６℃、２０重量％で−７，５℃までの凍結防止効果が得
られる。In the case of propylene glycol aqueous solution, -0 at 2% by weight,
Antifreeze effect up to -7.5°C can be obtained at 6°C and 20% by weight.
プロピレングリコールは空気と接触することにより、ま
た細菌、バクテリア、微生物等により酸化され、酸性の
アルコール類またはプロピレングリコールの酸化物が生
成する。この酸性のプロピレングリコールは冷凍設備お
よび冷却設備を構成する各種金属の腐食を著しく促進す
る。冷凍設備および冷却設備を構成する各種金属の腐食
は腐食生成物析出付着による熱伝導率の低下あるいは管
部の閉塞等の起こす原因となる。When propylene glycol comes into contact with air, it is oxidized by bacteria, bacteria, microorganisms, etc., producing acidic alcohols or propylene glycol oxides. This acidic propylene glycol significantly accelerates the corrosion of various metals constituting refrigeration equipment and cooling equipment. Corrosion of various metals constituting refrigeration equipment and cooling equipment causes a decrease in thermal conductivity or blockage of pipes due to deposition of corrosion products.
本発明に用いるインチアゾリン系化合物としては、２−
メチル−４−イソチアゾリン−３−オン、５−クロロ−
２−メチル−４−インチアゾリン−３−オン、１．２−
ベンズイソチアゾリン−３−オン、２−オクチル−４−
インチアゾリン−３−オンなる群から選ばれる少なくと
も１種が使用できる。The inthiazoline compounds used in the present invention include 2-
Methyl-4-isothiazolin-3-one, 5-chloro-
2-Methyl-4-inchazolin-3-one, 1.2-
Benzisothiazolin-3-one, 2-octyl-4-
At least one member selected from the group consisting of inthiazolin-3-ones can be used.
本発明に用いる臭素化合物と゛しては、２−ブロモ−２
−二トロプロパン−１，３−ジオール、１゜２−ジブロ
ム−２４−ジシアノブタンを挙げることができる。The bromine compound used in the present invention is 2-bromo-2
-nitropropane-1,3-diol and 1<2>-dibromo-24-dicyanobutane.
本発明に用いるインチアゾリン系化合物および臭素化合
物は抗菌力を有しており、ブラインに少量添加するだけ
で、腐敗性有機物に起因する悪臭、腐食等の諸問題が解
決される。また、同時に金属腐食性が極めて少ないので
発錆を防ぐ面からも大変有利となる。したがって本発明
のイソチアゾリン系化合物および臭素化合物を含有する
ブラインは長期にわたって使用が可能であり冷凍設備お
よび冷却設備を構成する金属を腐食しないため装置の両
人性が向上する。さらに作業環境の改善に役立つもので
ある。The inthiazoline compound and bromine compound used in the present invention have antibacterial activity, and simply adding a small amount to brine solves various problems such as bad odor and corrosion caused by putrefying organic substances. Furthermore, since it has extremely low metal corrosivity, it is very advantageous in terms of preventing rust. Therefore, the brine containing the isothiazoline compound and the bromine compound of the present invention can be used for a long period of time and does not corrode the metals constituting the refrigeration equipment and cooling equipment, thereby improving the compatibility of the equipment. Furthermore, it is useful for improving the working environment.
インチアゾリン系化合物の使用量はブライン使用時の濃
度として１０重ｉｐｐｍ以上、１０〜２０００ｐｐｍで
あれば良いが、特に１００〜１１０００ｐｐの濃度範囲
が長期間にわたって抗菌力を発揮する。The amount of the intiazoline compound to be used may be 10 to 2000 ppm as a concentration when using brine, but a concentration range of 100 to 11000 ppm exhibits antibacterial activity over a long period of time.
臭素化合物の使用量はブライン使用時の濃度として１０
重ＪＬｐｐｍ以上、１０〜２０００ｐｐｍであれば良い
が、特に１００〜１１０００ｐｐの濃度範囲が長期間に
わたって抗菌力を発揮する。The amount of bromine compound used is 10 as the concentration when using brine.
It is sufficient if the concentration is 10 to 2000 ppm or more, but a concentration range of 100 to 11000 ppm exhibits antibacterial activity over a long period of time.
また本発明のインチアゾリン系化合物および臭素化合物
を含有するブラインは使用前の保存においても腐敗によ
る変質を防ぐことができるので商品安定剤としても効果
がある。Furthermore, the brine containing the inthiazoline compound and bromine compound of the present invention can prevent deterioration due to putrefaction even during storage before use, and is therefore effective as a product stabilizer.
プロピレングリコールを主成分とするブラインはプロピ
レングリコールそのものに防食効果がないため腐食抑制
剤が添加される。Since propylene glycol itself has no anticorrosive effect on brine containing propylene glycol as its main component, a corrosion inhibitor is added to the brine.
本発明に用いる防食剤としては、有機系の塩や無機系の
塩が使用される。たとえば、硼酸塩、亜硝酸塩、硝酸塩
、リン酸塩、硅酸塩、安息香酸塩、メルカプトベンゾチ
アゾールのナトリウム塩、ベンゾトリアゾール、メチル
ベンゾトリアゾール、トリエタノールアミン、ジェタノ
ールアミン、モノエタノールアミン、トリイソプロパノ
ールアミン、ジイソプロパノールアミン、モノイソプロ
パノールアミン、シクロヘキシルアミン、エチレンジア
ミン、ヒドラジン、ピリジン、モルホリン等から選ばれ
る少なくとも一種添加したものが使用される。これらの
中で代表的なものは、硼酸塩、亜硝酸塩、硝酸塩、安息
香酸塩、リン酸塩、ベンゾトリアゾールを挙げることが
できる。As the anticorrosive agent used in the present invention, organic salts and inorganic salts are used. For example, borates, nitrites, nitrates, phosphates, silicates, benzoates, sodium salt of mercaptobenzothiazole, benzotriazole, methylbenzotriazole, triethanolamine, jetanolamine, monoethanolamine, triisopropanol At least one selected from amine, diisopropanolamine, monoisopropanolamine, cyclohexylamine, ethylenediamine, hydrazine, pyridine, morpholine, etc. is added. Representative examples of these include borates, nitrites, nitrates, benzoates, phosphates, and benzotriazole.
本発明の硼酸塩としては、ナトリウム、カリウム等のア
ルカリ金属の塩を用いることができる。As the borate of the present invention, salts of alkali metals such as sodium and potassium can be used.
添加量は使用時の濃度とし、て０．０１〜０．４０重量
％、好ましくは０．０２〜０．３０重量％の範囲である
。The amount added is in the range of 0.01 to 0.40% by weight, preferably 0.02 to 0.30% by weight, based on the concentration at the time of use.
本発明の亜硝酸塩としては、ナトリウム、カリウム等の
アルカリ金属の塩を用いることができる。As the nitrite of the present invention, salts of alkali metals such as sodium and potassium can be used.
添加量は使用時の濃度として０．００５〜０．４０重量
％、好ましくは０．０１〜０．３０：！！量％の範囲で
ある。The amount added is 0.005 to 0.40% by weight as the concentration at the time of use, preferably 0.01 to 0.30:! ! The amount ranges from % to %.
本発明の安息香酸塩としては、ナトリウム、カリウム等
のアルカリ金属の塩を用いることができる。添加量は使
用時の濃度として０．０１〜０゜８０１Ｕ量％、好まし
くは０．０５〜０．６０重量％の範囲である。As the benzoate of the present invention, salts of alkali metals such as sodium and potassium can be used. The amount added is in the range of 0.01 to 0.801 U% by weight, preferably 0.05 to 0.60% by weight.
本発明のリン酸類としては、リン酸およびその塩類が挙
げられる。正リン酸のほかにリチウム、ナトリウム、カ
リウム等のアルカリ金属の第１〜第３塩を用いることが
できる。添加量は使用時の濃度として０．０１〜３．０
重息％、好ましくは０．０３〜２．０重量％である。Examples of the phosphoric acids of the present invention include phosphoric acids and salts thereof. In addition to orthophosphoric acid, first to tertiary salts of alkali metals such as lithium, sodium, and potassium can be used. The amount added is 0.01 to 3.0 as the concentration at the time of use.
Weight%, preferably 0.03 to 2.0% by weight.
本発明のブライン組成物のｐＨ調整は通常の塩基性物質
が使用できるが、ｐＨ調整のアルカリ物質としては、好
ましくはナトリウム、カリウム等のアルカリ金属の水酸
化物が用いられる。ｐＨの調整範囲としては７．０〜１
１．Ｏ５好ましくは７．５〜１０．５の範囲である。A common basic substance can be used to adjust the pH of the brine composition of the present invention, and preferably a hydroxide of an alkali metal such as sodium or potassium is used as the alkaline substance for pH adjustment. The pH adjustment range is 7.0 to 1.
1. O5 is preferably in the range of 7.5 to 10.5.
本発明のブライン組成物はシリコンオイル、高級脂肪酸
エステル等の消泡剤を添加することができる。Antifoaming agents such as silicone oil and higher fatty acid esters can be added to the brine composition of the present invention.
本発明のブライン組成物は−７，５℃から５０°Ｃまで
の広い温度範囲で各種間接熱交換器による熱媒または冷
媒として使用できる。たとえば化学工業、食品工業、機
械工業、薬品工業、化粧品工業、空調設備の冷凍設備お
よび冷却設備の冷媒、冷凍倉庫、貯蔵タンク、アイスス
ゲ−■−場の冷媒、冷凍設備の霜取り用、冷却塔不凍液
、融氷剤、融氷設備の熱媒、低温恒温槽の冷媒、寒冷地
のセントラルヒーティングシステム用熟媒、氷蓄熱シス
テムの冷！媒等の分野に使用できる。The brine composition of the present invention can be used as a heating or cooling medium in various indirect heat exchangers over a wide temperature range from -7.5°C to 50°C. For example, chemical industry, food industry, machinery industry, pharmaceutical industry, cosmetics industry, refrigerant for refrigeration equipment and cooling equipment of air conditioning equipment, refrigerant for frozen warehouses, storage tanks, ice sedge fields, defrosting for refrigeration equipment, antifreeze for cooling towers. , ice melting agent, heat medium for ice melting equipment, refrigerant for low-temperature thermostatic chambers, ripening medium for central heating systems in cold regions, cooling for ice storage systems! Can be used in fields such as media.
５−Ｈ−４０００に規定のＡ３００３Ｐを用いた。A3003P specified for 5-H-4000 was used.
試験片の質量の変化はｍｍ７年に換算した。The change in mass of the test piece was converted into mm7 years.
（腐敗試験方法）
表−１のブライン組成物に種菌（腐敗液）を１ｍＪｌ／
Ｊ接種した後、３０℃で１ケ月間培養を行ない、腐敗に
よる外観変化および生菌数を測定した。(Rotation test method) Add 1 mJl of inoculum (putrefaction liquid) to the brine composition shown in Table 1.
After inoculation with J, culture was performed at 30°C for one month, and changes in appearance due to rot and the number of viable bacteria were measured.
〈実 施 例〉
次に本発明のブライン組成物について実施例を挙げてさ
らに詳細に説明するが、本発明はこれだけに限定される
ものではない。<Examples> Next, the brine composition of the present invention will be described in more detail with reference to Examples, but the present invention is not limited thereto.
〈金属腐食試験方法〉
ｊＩｓ−に−２２３４＜不凍液ンに準じて３５℃で３３
６時間、空気の吹き込みは毎分■００ｍＪで試験前後の
各金属片の質量を測定し質量の変化を求めた。試験片の
材質はＪＩＳ−に−２２３４に規定したもので、アルミ
ニウム板はＪＩ実施例 １〜２
表−１の配合物を水道水９０重量部またはモノプロピレ
ングリコール１０重量部に表−１の配合比にて溶解し、
両液を混合した。<Metal corrosion test method> -2234 to Is-33 at 35℃ according to antifreeze
The mass of each metal piece before and after the test was measured and the change in mass was determined by blowing air at a rate of 00 mJ per minute for 6 hours. The material of the test piece was specified in JIS-2234, and the aluminum plate was JI Examples 1-2. Dissolved at ratio,
Both solutions were mixed.
各サンプルについてっぎの金属腐食試験および腐敗試験
測定を行なった。Strong metal corrosion and rot test measurements were performed on each sample.
結果は表−１の通りであった。The results were as shown in Table-1.
比較例 １〜４
表−１の配合物を水道水９０重量部またはモノプロピレ
ングリコール１０重量部に表−１の配合比にて溶解し、
両液を混合した。Comparative Examples 1 to 4 The formulations shown in Table 1 were dissolved in 90 parts by weight of tap water or 10 parts by weight of monopropylene glycol at the blending ratio shown in Table 1,
Both solutions were mixed.
各サンプルについてつぎの金属腐食試験および腐敗試験
測定を行なった。The following metal corrosion test and rot test measurements were performed on each sample.
結果は表−１の通りであった。The results were as shown in Table-1.
（発明の効果）
２〜２０重量％のプロピレングリコール水溶液からなる
ブラインにおいて、
（Ａ）イソチアゾリン系化合物またはイソチアゾリン系
化合物と臭素化合物の混合物
（８）防蝕剤
を含有し、ｐＨが７．０〜１１．０の範囲であるブライ
ン組成物は冷凍設備および冷却設備のブラインが冷凍設
備および冷却設備を構成する金属を腐食させない、しか
も腐敗および悪臭を発生させない効果が著しく改善され
るものである。(Effect of the invention) A brine consisting of a 2 to 20% by weight propylene glycol aqueous solution contains (A) an isothiazoline compound or a mixture of an isothiazoline compound and a bromine compound (8) a corrosion inhibitor, and has a pH of 7.0 to 11. A brine composition in the range of .0 has a markedly improved effect in that the brine of refrigeration equipment and cooling equipment does not corrode the metals constituting the refrigeration equipment and cooling equipment, and does not cause putrefaction or bad odors.
Claims (1)
らなるブラインにおいて、 （Ａ）イソチアゾリン系化合物またはイソチアゾリン系
化合物と臭素化合物の混合物 （Ｂ）防蝕剤 を含有し、ｐＨが７．０〜１１．０の範囲であることを
特徴とするブライン組成物。(1) A brine consisting of a 2 to 20% by weight propylene glycol aqueous solution, containing (A) an isothiazoline compound or a mixture of an isothiazoline compound and a bromine compound, and (B) a corrosion inhibitor, and having a pH of 7.0 to 11.0. A brine composition characterized in that it is in the range of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1205670A JP2740555B2 (en) | 1989-08-10 | 1989-08-10 | Brine composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1205670A JP2740555B2 (en) | 1989-08-10 | 1989-08-10 | Brine composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0370789A true JPH0370789A (en) | 1991-03-26 |
| JP2740555B2 JP2740555B2 (en) | 1998-04-15 |
Family
ID=16510746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1205670A Expired - Fee Related JP2740555B2 (en) | 1989-08-10 | 1989-08-10 | Brine composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2740555B2 (en) |
-
1989
- 1989-08-10 JP JP1205670A patent/JP2740555B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2740555B2 (en) | 1998-04-15 |
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