CN106745858A - It is the corrosion inhibiting and descaling agent of the recirculated cooling water of 3000 ~ 100000mg/L for high chloride ion content - Google Patents
It is the corrosion inhibiting and descaling agent of the recirculated cooling water of 3000 ~ 100000mg/L for high chloride ion content Download PDFInfo
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
- C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
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Abstract
A kind of corrosion inhibiting and descaling agent for recirculated cooling water that high chloride ion content is 3000~100000mg/L, including liquid portion and solid portion, the percentage by weight of liquid portion each component is：Organic phospho acid 10%~30%, organic carboxyl acid 10%~30%, the material 10%~25% with scale inhibition and inhibition and peptizaiton, balance of water；The percentage by weight of solid portion each component is：Tannin extract 15%~35%, fulvic acid 20%~35%, NaOH 0~5%, balance of sodium salt.The present invention is to Cl in recirculated water‑Content tolerance is high, in Cl‑Content can reach scale inhibition performance, rate of metal corrosion, all technical requirement of bacterium algae growth rate required by Code for design of industrial recirculating cooling water when being 3000mg/L~100000mg/L, while cycles of concentration natural equilibrium, system zero-emission runs, non-wastewater discharge, greatly reduces sewage treatment facility investment and operating cost.
Description
Technical field
The present invention relates to a kind of water treatment agent for recirculated water, particularly a kind of is 3000 for high chloride ion content
The corrosion inhibiting and descaling agent of the recirculated cooling water of~100000mg/L.
Background technology
In reality, some underground water contains Cl-(chlorion) is adopted in more than 150mg/L, slightly concentration i.e. more than 700mg/L
Invest big with hyperfiltration, water producing cost is high, and concentrated water is nowhere gone, waste water resource, it is big using the investment of ion exchange desalinating process,
Operation requires high, backwash water pollution.
Inventor retrieves following Patents documents：CN101125715A discloses a kind for the treatment of high concentration multiple circulation
The composite slow-corrosion scale resistor of water, including liquid portion and solid portion, in terms of liquid portion gross weight 100%, the weight of each component
Percentage is organic phospho acid 5~40%, organic carboxyl acid 5~40%, water 20~90%；In terms of solid portion gross weight 100%, each group
The percentage by weight for dividing is the total polymer 5~35% with scale effect, alkaline agent 45~80%, azole 1~10%, zinc salt
1~10%；Liquid portion is with the concentration of solid portion in recirculated water, solid portion：Supplement water chemical feeding quantity is 20~
200mg/L, liquid portion：Total phosphine is 10~15mg/L in maintaining recirculated water.CN103739093A discloses a kind of for center
The Ternary polymerization type corrosion inhibiting and descaling agent of cooling circulation cooling water of air conditioner, by tourmaline, poly-aspartate, poly-epoxy succinic acid, poly- Malaysia
The composition such as acid and 1-hydroxy ethylidene-1,1-diphosphonic acid, zinc salt.Wherein the consumption of tourmaline is in 5~500g/t (in terms of solid), poly- asparagus fern ammonia
The consumption of acid, poly-epoxy succinic acid, poly and 1-hydroxy ethylidene-1,1-diphosphonic acid is in 2~60g/t (with level meter), the consumption of zinc salt
In 0.2~0.8g/t.CN105271536A discloses a kind of high temperature, hard, high pressure buck dispersing scale inhibitor high-alkali, high and its preparation
Method, dispersing scale inhibitor by 20 parts of ATMP, 15 parts of nitrogen-hydroxypropyl sulfonic acid of trimethylene tri methylene phosphonic acid-ethylenediamine-,
30 parts of hydroxy ethylidene-diphosphate, 17 parts of HPMA, zinc salt and water 10-18 parts of composition.CN105502704A is disclosed
A kind of composite slow-corrosion scale resistor, described composite slow-corrosion scale resistor is liquid preparation, by two kinds of liquid preparation A and liquid preparation
B in proportion 1:1 mixes, wherein：The compound system that liquid preparation A is made up of organic phospho acid, polycarboxylic acids, dispersant and water
Agent；Liquid preparation B is by weight 1 by solid chemicals and water:1 compound formulation being made into, wherein solid chemicals are with scale inhibition
The compound formulation of the polymer of effect, alkaline agent, azole and zinc salt.CN101607766A discloses a kind of for high alkaline high chlorine circulation
The preparation of the corrosion inhibiting and descaling agent of cooling water, is prepared with parts by weight：Poly-epoxy succinic acid 23-25 parts, 2- phosphonobutane -1,
2,4- tricarboxylic acids 23-25 parts, 12-15 parts of inhibition synergist, sodium gluconate 10-15 parts, alkyl epoxy carboxylate 5-8
Part, benzotriazole 2-3 parts, pure water 10-20 parts.
The above technology and can reach for how with corrosion inhibiting and descaling agent to process high chloride ion content recirculated cooling water
GB50050-2007《Code for design of industrial recirculating cooling water》Required scale inhibition performance, rate of metal corrosion, bacterium algae growth rate it is each
Item technical requirement, does not provide specific guidance program.
The content of the invention
The technical problems to be solved by the invention are, there is provided a kind of inhibition for high chloride ion content recirculated cooling water
Antisludging agent, high chloride ion content recirculated cooling water is processed using the corrosion inhibiting and descaling agent, and the corrosion inhibiting and descaling agent is to Cl in recirculated water-
(chlorion) content tolerance is high, in Cl-Content can reach GB50050-2007 when being 3000mg/L~100000mg/L《Industry
Recirculated cooling water design specification》Required scale inhibition performance, rate of metal corrosion, all technical requirement of bacterium algae growth rate, together
When cycles of concentration natural equilibrium, system zero-emission operation, non-wastewater discharge, greatly reduce sewage treatment facility investment and running cost
With.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of corrosion inhibiting and descaling agent for recirculated cooling water that high chloride ion content is 3000~100000mg/L, its technology
Scheme is that described corrosion inhibiting and descaling agent includes liquid portion and solid portion, wherein：
Liquid portion be organic phospho acid, organic carboxyl acid, the material with scale inhibition and inhibition and peptizaiton, water it is compound
Preparation, in terms of liquid portion gross weight 100%, the percentage by weight of liquid portion each component is：Organic phospho acid 10%~30%, has
Machine carboxylic acid 10%~30%, the material 10%~25% with scale inhibition and inhibition and peptizaiton, balance of water.Solid portion
For tannin extract, fulvic acid, NaOH, sodium salt compound formulation, in terms of solid portion gross weight 100%, solid portion each component
Percentage by weight is：Tannin extract 15%~35%, fulvic acid 20%~35%, NaOH 0~5%, balance of sodium salt.
Described organic phospho acid is selected from 1-hydroxy ethylidene-1,1-diphosphonic acid, diethylenetriamine penta (DTPMPA), polyamines
Quito ether methylenephosphonic acid (PAPEMP) one or two kinds of therein；Described organic carboxyl acid is selected from 2- phosphonobutane -1,2,
4- tricarboxylic acids (PBTCA), acrylic acid -2- acrylamide-2-methyl propane sulfonics copolymer (AA/AMPS), the polynary carboxylic containing N element
Sour (NDA), phosphino- HPMA (PPMA) one or two kinds of therein；It is described with scale inhibition and inhibition and point
The material for dissipating effect is selected from polyepoxy sodium succinate (PESA), phosphono and sulfonic one or two kinds of therein；Described sodium salt is selected from
Sodium carbonate, tertiary sodium phosphate, disodium hydrogen phosphate, natrium nitrosum, sodium tripolyphosphate one or two kinds of therein.
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：100~
300 g tons supplement water, liquid portion：50~400 g tons supplement water (according to supplement water quality plus-minus amount).
It is described for recirculated cooling water that high chloride ion content is 3000~100000mg/L in above-mentioned technical proposal
The preferred scheme of corrosion inhibiting and descaling agent can be, in terms of liquid portion gross weight 100%, the percentage by weight of liquid portion each component
For：1-hydroxy ethylidene-1,1-diphosphonic acid 15%~20%, 2- phosphonobutane -1,2,4- tricarboxylic acids (PBTCA) 10%~15%, containing N element
Polybasic carboxylic acid (NDA) 10%~15%, polyepoxy sodium succinate (PESA) 15%~20%, balance of water；With solid portion
Gross weight 100% is counted, and the percentage by weight of solid portion each component is：Tannin extract 20%~25%, fulvic acid 20%~25%, hydrogen-oxygen
Change sodium 2%~5%, balance of sodium salt；Described sodium salt is the combination of sodium carbonate and tertiary sodium phosphate, sodium carbonate and tertiary sodium phosphate
Weight proportion is 1：0.5.In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid part
Point：150 g tons supplement water, liquid portion：100 g tons supplement water.
It is described for recirculated cooling water that high chloride ion content is 3000~100000mg/L in above-mentioned technical proposal
The preferred scheme of corrosion inhibiting and descaling agent is also possible that in terms of liquid portion gross weight 100%, the percentage by weight of liquid portion each component
For：Diethylenetriamine penta (DTPMPA) 15%~25%, the polybasic carboxylic acid (NDA) 20%~30% containing N element,
Phosphono and sulfonic 10%~25%, balance of water；In terms of solid portion gross weight 100%, the percentage by weight of solid portion each component is：
Tannin extract 15%~20%, fulvic acid 25%~30%, NaOH 1%~5%, balance of sodium salt；Sodium salt is sodium tripolyphosphate
With the combination of natrium nitrosum, the weight proportion of sodium tripolyphosphate and natrium nitrosum is 1：0.5.In recirculated cooling water, liquid portion
Divide and be in supplement water addition per ton with solid portion, solid portion：100 g tons supplement water, liquid portion：200 g tons are mended
Water-filling.
It is described for recirculated cooling water that high chloride ion content is 3000~100000mg/L in above-mentioned technical proposal
The preferred scheme of corrosion inhibiting and descaling agent is also possible that in terms of liquid portion gross weight 100%, the percentage by weight of liquid portion each component
For：Polyamines Quito ether methylenephosphonic acid (PAPEMP) 10%~15%, organic carboxyl acid 20%~30%, polyepoxy sodium succinate
(PESA) 10%~20%, balance of water；Organic carboxyl acid is phosphino- HPMA (PPMA) and the polynary carboxylic containing N element
The weight proportion of the combination of sour (NDA), phosphino- HPMA (PPMA) and the polybasic carboxylic acid (NDA) containing N element is 1：
0.5；In terms of solid portion gross weight 100%, the percentage by weight of solid portion each component is：Tannin extract 15%~20%, fulvic acid
25%~30%, NaOH 0.5%, balance of sodium salt；Described sodium salt is sodium carbonate, the combination of tertiary sodium phosphate, sodium carbonate
It is 1 with the weight proportion of tertiary sodium phosphate：0.8.In recirculated cooling water, liquid portion is with solid portion in supplement water addition per ton
Measure and be, solid portion：150 g tons supplement water, liquid portion：300 g tons supplement water.
One delivery device is set in water is supplemented, liquid portion obtained above and solid portion are existed by the delivery device
Added in supplement water, there is described delivery device the first cavity body of spherical, the second cavity body of spherical, first to enter medicine
Pipe, the second drug-feeding tube, multiple first medicines that the external world is connected with the inside of the first cavity body being fixed in the first cavity body
Liquid pipe, multiple second drug liquid tubes that the external world is connected with the inside of the second cavity body being fixed in the second cavity body, support
First supporting leg of the first cavity body, the second supporting leg of the second cavity body of support, the lower end of the first drug-feeding tube and the first cavity body
Middle part is connected, and the lower end of the second drug-feeding tube is connected with the middle part of the second cavity body, and described consolidating is put into the first cavity body
Body portion, is put into described liquid portion in the second cavity body, the first drug liquid tube is identical with the quantity of the second drug liquid tube, and each the
The bore inner diameter of one drug liquid tube is 1.5~2.0 times of the bore inner diameter of each the second drug liquid tube, the first drug liquid tube and the second liquid
The minimum distance H of pipe is 8~15 centimetres, and the dosing mouth of the first drug-feeding tube, the dosing mouth of the second drug-feeding tube are all located at supplement water water
Above face.
The preparation method of aforesaid liquid part (compound formulation) is, by above-mentioned percentage by weight by water, organic phospho acid, have
Machine carboxylic acid, the material with scale inhibition and inhibition and peptizaiton are sequentially added in container (in reactor), mixed, are stirred
Obtain final product the compound formulation of liquid portion.The preparation method of solid portion (compound formulation) is, by above-mentioned percentage by weight by evergreen chinquapin
Glue, fulvic acid, NaOH, sodium salt are sequentially added in container (in reactor), are mixed, stirring obtains final product answering for solid portion
Close preparation.
Each component selected by the present invention is commodity on the market, and the polybasic carboxylic acid (NDA) containing N element can be selected
Use polyacrylamide.
According to GB50050-2007《Code for design of industrial recirculating cooling water》It is required that, water walks tube side up to 700mg/L,
In practical application and experiment, Cl in recirculated water-Content>During 3000mg/L, recirculated cooling water uses corrosion inhibiting and descaling agent of the invention
After can reach GB50050-2007《Code for design of industrial recirculating cooling water》The rate of metal corrosion of regulation：Carbon steel ＜
0.075mm/, copper<0.005mm/, stainless steel<0.005mm/, metal hinders phosphorus without spot corrosion, resistance calcium carbonate scale rate ＞ 90%
Sour calcium dirt rate ＞ 89%, meets Standard.It is pollution-free using processing cycle water of the present invention, without investment, without waste water, zero-emission fortune
OK, directly original medicament is replaced with medicament of the present invention.The present invention can process Cl-Content 3000mg/L~
The recirculated cooling water of 100000mg/L.
For example：One comprehensive supplement water water quality：Total hardness 20mg-n/L, total alkalinity 10mg-n/L, CL-500mg/L、
PH7.8、Ca2+12mg-n/L, the supplement water of recirculated water reaches K=15 times of cycles of concentration after zero-emission operation concentration, now circulates
Cl in water-Content reaches 7500mg/L, after the present invention, system metal material rate of corrosion：0.003~0.075mm/ of carbon steel
Year, 0.002~0.005mm/ of copper；0.0001~0.0003mm/ of stainless steel, without spot corrosion, resistance calcium carbonate scale rate ＞ 85%, resistance
Calcium phosphate scale rate ＞ 88%, does not use bactericide.
Again for example：One comprehensive supplement water water quality：Total hardness 18mg-n/L, total alkalinity 12mg-n/L, CL-680mg/L、
PH7.9、Ca2+15mg-n/L, the supplement water of recirculated water reaches K=15 times of cycles of concentration after zero-emission operation concentration, now circulates
Cl in water-Content reaches 10200mg/L, after the present invention, system metal material rate of corrosion：Carbon steel 0.035~
0.075mm/, 0.0025~0.005mm/ of copper；0.0001~0.0003mm/ of stainless steel, without spot corrosion, hinders calcium carbonate scale rate
＞ 87%, resistance calcium phosphate scale rate ＞ 87%, does not use bactericide.
In sum, high chloride ion content recirculated cooling water, the corrosion-mitigation scale-inhibition are processed using corrosion inhibiting and descaling agent of the invention
Agent is to Cl in recirculated water-(chlorion) content tolerance is high, in Cl-Content can reach when being 3000mg/L~100000mg/L
GB50050-2007《Code for design of industrial recirculating cooling water》Required scale inhibition performance, rate of metal corrosion, bacterium algae growth rate it is each
Technical requirement, while cycles of concentration natural equilibrium, system zero-emission operation, non-wastewater discharge greatly reduces sewage
Treatment facility is invested and operating cost.In general Biocidal algae-killing agent is not used, without pre- film, stable, economically feasible, warp
Ji benefit and social benefit are notable.
Brief description of the drawings
Fig. 1 is the structural representation of the delivery device used by the present invention.
Specific embodiment
Embodiment 1：Corrosion inhibiting and descaling agent for high chloride ion content recirculated cooling water of the invention include liquid portion and
Solid portion, wherein：In terms of liquid portion gross weight 100%, the percentage by weight of liquid portion each component is：1-hydroxy ethylene-1,1-diphosphonic
Acid 18%, 2- phosphonobutane -1,2,4- tricarboxylic acids (PBTCA) 12%, the polybasic carboxylic acid NDA containing N element (selects polyacrylamide
Amine) 10%, polyepoxy sodium succinate (PESA) 16%, balance of water.In terms of solid portion gross weight 100%, solid portion each group
Point percentage by weight be：Tannin extract 22%, fulvic acid 21%, NaOH 2%, balance of sodium salt；Described sodium salt is carbonic acid
The weight proportion of the combination of sodium and tertiary sodium phosphate, sodium carbonate and tertiary sodium phosphate is 1：0.5.
The preparation method of aforesaid liquid part (compound formulation) is, by above-mentioned percentage by weight by water, hydroxy ethylidene two
Phosphonic acids, 2- phosphonobutane -1,2,4- tricarboxylic acids (PBTCA), the polybasic carboxylic acid (NDA) containing N element, polyepoxy sodium succinate
(PESA) sequentially add in container (in reactor), mix, stirring obtains final product the compound formulation of liquid portion.Solid portion
The preparation method of (compound formulation) is, by above-mentioned percentage by weight by tannin extract, fulvic acid, NaOH, sodium carbonate, tricresyl phosphate
Sodium is sequentially added in container (in reactor), is mixed, stirring obtains final product the compound formulation of solid portion.
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：150 grams/
Ton supplement water, liquid portion：100 g tons supplement water.
The application of embodiment 1：One comprehensive supplement water water quality：Total hardness 20mg-n/L, total alkalinity 10mg-n/L, CL-
500mg/L、PH7.8、Ca2+12mg-n/L, the supplement water of recirculated water reaches K=15 times of cycles of concentration after zero-emission operation concentration,
The now Cl in recirculated water-Content reaches 7500mg/L, after the present invention, system metal material rate of corrosion：Carbon steel 0.003~
0.075mm/, 0.002~0.005mm/ of copper；0.0001~0.0003mm/ of stainless steel, without spot corrosion, hinders calcium carbonate scale rate
＞ 85%, resistance calcium phosphate scale rate ＞ 88%, does not use bactericide.
Embodiment 2：Corrosion inhibiting and descaling agent for high chloride ion content recirculated cooling water of the invention include liquid portion and
Solid portion, wherein：In terms of liquid portion gross weight 100%, the percentage by weight of liquid portion each component is：Diethylenetriamine five
Methylene phosphonic acid (DTPMPA) 20%, the polybasic carboxylic acid (NDA) 25% containing N element, phosphono and sulfonic 18%, balance of water；With solid
Part gross weight 100% is counted, and the percentage by weight of solid portion each component is：Tannin extract 15%, fulvic acid 26%, NaOH 1%,
Balance of sodium salt；Sodium salt is the combination of sodium tripolyphosphate and natrium nitrosum, and the weight proportion of sodium tripolyphosphate and natrium nitrosum is
1：0.5.
The preparation method of aforesaid liquid part (compound formulation) is, by above-mentioned percentage by weight by water, diethylenetriamine
Pentamethylene phosphonic acids, the polybasic carboxylic acid (NDA) containing N element, phosphono and sulfonic are sequentially added in container (in reactor), mixing, stirring
The uniform compound formulation for obtaining final product liquid portion.The preparation method of solid portion (compound formulation) is, by above-mentioned percentage by weight
Tannin extract, fulvic acid, NaOH, sodium tripolyphosphate, natrium nitrosum are sequentially added into (in reactor) in container, mixing, stirring
The uniform compound formulation for obtaining final product solid portion.
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：100 grams/
Ton supplement water, liquid portion：200 g tons supplement water.
The application of embodiment 2：One comprehensive supplement water water quality：Total hardness 18mg-n/L, total alkalinity 12mg-n/L, CL-
680mg/L、PH7.9、Ca2+15mg-n/L, the supplement water of recirculated water reaches K=15 times of cycles of concentration after zero-emission operation concentration,
The now Cl in recirculated water-Content reaches 10200mg/L, after the present invention, system metal material rate of corrosion：Carbon steel 0.035
~0.075mm/, 0.0025~0.005mm/ of copper；0.0001~0.0003mm/ of stainless steel, without spot corrosion, hinders calcium carbonate scale
Rate ＞ 87%, resistance calcium phosphate scale rate ＞ 87%, does not use bactericide.
Embodiment 3：Corrosion inhibiting and descaling agent for high chloride ion content recirculated cooling water of the invention include liquid portion and
Solid portion, wherein：In terms of liquid portion gross weight 100%, the percentage by weight of liquid portion each component is：Polyamines Quito ether
Methylenephosphonic acid (PAPEMP) 10%, organic carboxyl acid 20%, polyepoxy sodium succinate (PESA) 15%, balance of water；Organic carboxyl acid
For phosphino- HPMA (PPMA) and the polybasic carboxylic acid (NDA) containing N element combination, phosphino- HPMA
(PPMA) and the polybasic carboxylic acid containing N element (NDA) weight proportion be 1：0.5；In terms of solid portion gross weight 100%, solid part
The percentage by weight of point each component is：Tannin extract 15%, fulvic acid 25%, NaOH 0.5%, balance of sodium salt；Described sodium
Salt is sodium carbonate, the combination of tertiary sodium phosphate, and the weight proportion of sodium carbonate and tertiary sodium phosphate is 1：0.8.
The preparation method of aforesaid liquid part (compound formulation) is, by above-mentioned percentage by weight by water, polyamines Quito ether
Base methylenephosphonic acid (PAPEMP), phosphino- HPMA (PPMA), the polybasic carboxylic acid (NDA) containing N element, poly- epoxy succinic
Sour sodium (PESA) is sequentially added in container (in reactor), is mixed, stirring obtains final product the compound formulation of liquid portion.Solid part
The preparation method of point (compound formulation) is, by above-mentioned percentage by weight by tannin extract, fulvic acid, NaOH, sodium carbonate, phosphoric acid
Trisodium is sequentially added in container (in reactor), is mixed, stirring obtains final product the compound formulation of solid portion.
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：150 grams/
Ton supplement water, liquid portion：300 g tons supplement water.
In various embodiments above, the polybasic carboxylic acid NDA containing N element (can) select polyacrylamide.
As shown in figure 1, a delivery device is set in supplement water, by liquid portion obtained in the various embodiments described above and solid part
Divide and added in water is supplemented by the delivery device, described delivery device has the second of the first cavity body 2, spherical of spherical
Cavity body 2 ', the first drug-feeding tube 1, the second drug-feeding tube 1 ', be fixed in the first cavity body by it is extraneous with the first cavity body in
Multiple first drug liquid tubes 3 that portion is connected, be fixed in the second cavity body the external world is connected with the inside of the second cavity body
Multiple second drug liquid tubes 3 ', support the first cavity body the first supporting leg 4, support the second cavity body the second supporting leg 4 ', first
The lower end of drug-feeding tube 1 is connected with the middle part of the first cavity body 2, the middle part of the lower end of the second drug-feeding tube 1 ' and the second cavity body 2 '
It is connected, is put into described solid portion in the first cavity body 2, the second cavity body 2 ' is interior is put into described liquid portion, first
Drug liquid tube 3 is identical with the quantity of the second drug liquid tube 3 ', and the bore inner diameter of each the first drug liquid tube 3 is each second drug liquid tube 3 '
1.5~2.0 times (1.8 times of selections) of bore inner diameter, the minimum distance H of the first drug liquid tube 3 and the second drug liquid tube 3 ' is 8~15 lis
Rice (12 centimetres of selection), the dosing mouth of the first drug-feeding tube 1, the dosing mouth of the second drug-feeding tube 1 ' are all located at the upper of the supplement water water surface
Face.More uniform using delivery device administration, more fast, administration work efficiency improves more than 30%, and production cost reduces 20%
More than, it is easier to reach GB50050-2007《Code for design of industrial recirculating cooling water》Required scale inhibition performance, rate of metal corrosion,
The all technical requirement of bacterium algae growth rate.
Various embodiments above of the invention compared with CN101125715A, CN105502704A in background technology, its group
Divide and content be significantly different, the present invention can be used in the recirculated cooling water that high chloride ion content is 3000~100000mg/L,
And CN101125715A, the CN105502704A in background technology obviously can not reach requirement.
According to GB50050-2007《Code for design of industrial recirculating cooling water》It is required that, water walks tube side up to 700mg/L,
In practical application and experiment, Cl in recirculated water-Content>During 3000mg/L, recirculated cooling water uses corrosion inhibiting and descaling agent of the invention
After can reach GB50050-2007《Code for design of industrial recirculating cooling water》The rate of metal corrosion of regulation：Carbon steel ＜
0.075mm/, copper<0.005mm/, stainless steel<0.005mm/, metal hinders phosphorus without spot corrosion, resistance calcium carbonate scale rate ＞ 90%
Sour calcium dirt rate ＞ 89%, meets Standard.It is pollution-free using processing cycle water of the present invention, without investment, without waste water, zero-emission fortune
OK, directly original medicament is replaced with medicament of the present invention.The present invention can process Cl-Content 3000mg/L~
The recirculated cooling water of 100000mg/L.
In sum, for various embodiments above, circulated using corrosion inhibiting and descaling agent of the invention treatment high chloride ion content
Cooling water, the corrosion inhibiting and descaling agent is to Cl in recirculated water-(chlorion) content tolerance is high, in Cl-Content be 3000mg/L~
GB50050-2007 can be reached during 100000mg/L《Code for design of industrial recirculating cooling water》Required scale inhibition performance, metal erosion
The all technical requirement of rate, bacterium algae growth rate, while cycles of concentration natural equilibrium, system zero-emission operation, without waste water row
Put, greatly reduce sewage treatment facility investment and operating cost.In general Biocidal algae-killing agent is not used, without pre- film, fortune
Row stabilization, economically feasible, economic benefit and social benefit are notable.
Claims (9)
1. a kind of corrosion inhibiting and descaling agent for recirculated cooling water that high chloride ion content is 3000~100000mg/L, its feature exists
Include liquid portion and solid portion in described corrosion inhibiting and descaling agent, wherein：
Liquid portion is organic phospho acid, organic carboxyl acid, the material with scale inhibition and inhibition and peptizaiton, the compound system of water
Agent, in terms of liquid portion gross weight 100%, the percentage by weight of liquid portion each component is：Organic phospho acid 10%~30%, it is organic
Carboxylic acid 10%~30%, the material 10%~25% with scale inhibition and inhibition and peptizaiton, balance of water；
Solid portion is tannin extract, fulvic acid, NaOH, the compound formulation of sodium salt, in terms of solid portion gross weight 100%, solid
The percentage by weight of part each component is：Tannin extract 15%~35%, fulvic acid 20%~35%, NaOH 0~5%, surplus
It is sodium salt；
Described organic phospho acid is selected from 1-hydroxy ethylidene-1,1-diphosphonic acid, diethylenetriamine penta (DTPMPA), polyamines Quito
Ether methylenephosphonic acid (PAPEMP) one or two kinds of therein；Described organic carboxyl acid is selected from 2- phosphonobutanes -1,2,4- three
Carboxylic acid (PBTCA), acrylic acid -2- acrylamide-2-methyl propane sulfonics copolymer (AA/AMPS), the polybasic carboxylic acid containing N element
(NDA), phosphino- HPMA (PPMA) one or two kinds of therein；It is described with scale inhibition and inhibition and dispersion
The material of effect is selected from polyepoxy sodium succinate (PESA), phosphono and sulfonic one or two kinds of therein；Described sodium salt is selected from carbon
Sour sodium, tertiary sodium phosphate, disodium hydrogen phosphate, natrium nitrosum, sodium tripolyphosphate one or two kinds of therein；
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：100~300
G ton supplements water, liquid portion：50~400 g tons supplement water.
2. the inhibition for recirculated cooling water that high chloride ion content is 3000~100000mg/L according to claim 1
Antisludging agent, it is characterised in that described corrosion inhibiting and descaling agent includes liquid portion and solid portion, wherein：With liquid portion gross weight
100% counts, and the percentage by weight of liquid portion each component is：1-hydroxy ethylidene-1,1-diphosphonic acid 15%~20%, 2- phosphonobutane -1,2,
4- tricarboxylic acids (PBTCA) 10%~15%, the polybasic carboxylic acid (NDA) 10%~15% containing N element, polyepoxy sodium succinate
(PESA) 15%~20%, balance of water；In terms of solid portion gross weight 100%, the percentage by weight of solid portion each component is：
Tannin extract 20%~25%, fulvic acid 20%~25%, NaOH 2%~5%, balance of sodium salt；Described sodium salt is carbonic acid
The weight proportion of the combination of sodium and tertiary sodium phosphate, sodium carbonate and tertiary sodium phosphate is 1：0.5；
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：150 g tons are mended
Water-filling, liquid portion：100 g tons supplement water.
3. the inhibition for recirculated cooling water that high chloride ion content is 3000~100000mg/L according to claim 1
Antisludging agent, it is characterised in that described corrosion inhibiting and descaling agent includes liquid portion and solid portion, wherein：With liquid portion gross weight
100% counts, and the percentage by weight of liquid portion each component is：Diethylenetriamine penta (DTPMPA) 15%~
25%, the polybasic carboxylic acid (NDA) 20%~30% containing N element, phosphono and sulfonic 10%~25%, balance of water；It is total with solid portion
Weigh 100% to count, the percentage by weight of solid portion each component is：Tannin extract 15%~20%, fulvic acid 25%~30%, hydroxide
Sodium 1%~5%, balance of sodium salt；Sodium salt is the combination of sodium tripolyphosphate and natrium nitrosum, sodium tripolyphosphate and natrium nitrosum
Weight proportion is 1：0.5；
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：100 g tons are mended
Water-filling, liquid portion：200 g tons supplement water.
4. the inhibition for recirculated cooling water that high chloride ion content is 3000~100000mg/L according to claim 1
Antisludging agent, it is characterised in that described corrosion inhibiting and descaling agent includes liquid portion and solid portion, wherein：With liquid portion gross weight
100% counts, and the percentage by weight of liquid portion each component is：Polyamines Quito ether methylenephosphonic acid (PAPEMP) 10%~15%,
Organic carboxyl acid 20%~30%, polyepoxy sodium succinate (PESA) 10%~20%, balance of water；Organic carboxyl acid is hydrolyzed for phosphino-
The combination of HPMA (PPMA) and the polybasic carboxylic acid (NDA) containing N element, phosphino- HPMA (PPMA) and containing N
The weight proportion of the polybasic carboxylic acid (NDA) of element is 1：0.5；In terms of solid portion gross weight 100%, the weight of solid portion each component
Measuring percentage is：Tannin extract 15%~20%, fulvic acid 25%~30%, NaOH 0.5%, balance of sodium salt；Described sodium
Salt is sodium carbonate, the combination of tertiary sodium phosphate, and the weight proportion of sodium carbonate and tertiary sodium phosphate is 1：0.8；
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：150 g tons are mended
Water-filling, liquid portion：300 g tons supplement water.
5. the inhibition for recirculated cooling water that high chloride ion content is 3000~100000mg/L according to claim 1
Antisludging agent, it is characterised in that described corrosion inhibiting and descaling agent includes liquid portion and solid portion, wherein：With liquid portion gross weight
100% counts, and the percentage by weight of liquid portion each component is：1-hydroxy ethylidene-1,1-diphosphonic acid 18%, 2- phosphonobutane -1,2,4- tricarboxylics
Acid (PBTCA) 12%, the polybasic carboxylic acid (NDA) 10% containing N element, polyepoxy sodium succinate (PESA) 16%, balance of water；With
Solid portion gross weight 100% is counted, and the percentage by weight of solid portion each component is：Tannin extract 22%, fulvic acid 21%, NaOH
2%, balance of sodium salt；Described sodium salt is the weight proportion of the combination of sodium carbonate and tertiary sodium phosphate, sodium carbonate and tertiary sodium phosphate
It is 1：0.5；
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：150 g tons are mended
Water-filling, liquid portion：100 g tons supplement water.
6. the inhibition for recirculated cooling water that high chloride ion content is 3000~100000mg/L according to claim 1
Antisludging agent, it is characterised in that described corrosion inhibiting and descaling agent includes liquid portion and solid portion, wherein：With liquid portion gross weight
100% counts, and the percentage by weight of liquid portion each component is：Diethylenetriamine penta (DTPMPA) 20%, containing N units
The polybasic carboxylic acid (NDA) 25% of element, phosphono and sulfonic 18%, balance of water；In terms of solid portion gross weight 100%, solid portion each group
Point percentage by weight be：Tannin extract 15%, fulvic acid 26%, NaOH 1%, balance of sodium salt；Sodium salt is sodium tripolyphosphate
With the combination of natrium nitrosum, the weight proportion of sodium tripolyphosphate and natrium nitrosum is 1：0.5；
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：100 g tons are mended
Water-filling, liquid portion：200 g tons supplement water.
7. the inhibition for recirculated cooling water that high chloride ion content is 3000~100000mg/L according to claim 1
Antisludging agent, it is characterised in that described corrosion inhibiting and descaling agent includes liquid portion and solid portion, wherein：With liquid portion gross weight
100% counts, and the percentage by weight of liquid portion each component is：Polyamines Quito ether methylenephosphonic acid (PAPEMP) 10%, organic carboxylic
Acid 20%, polyepoxy sodium succinate (PESA) 15%, balance of water；Organic carboxyl acid be phosphino- HPMA (PPMA) and
The combination of the polybasic carboxylic acid (NDA) containing N element, phosphino- HPMA (PPMA) and the polybasic carboxylic acid (NDA) containing N element
Weight proportion be 1：0.5；In terms of solid portion gross weight 100%, the percentage by weight of solid portion each component is：Tannin extract
15%, fulvic acid 25%, NaOH 0.5%, balance of sodium salt；Described sodium salt is sodium carbonate, the combination of tertiary sodium phosphate, carbon
The weight proportion of sour sodium and tertiary sodium phosphate is 1：0.8；
In recirculated cooling water, liquid portion and solid portion be in supplement water addition per ton, solid portion：150 g tons are mended
Water-filling, liquid portion：300 g tons supplement water.
8. according to claim 1~7 any one for circulation that high chloride ion content is 3000~100000mg/L
The corrosion inhibiting and descaling agent of cooling water, it is characterised in that the polybasic carboxylic acid (NDA) containing N element selects polyacrylamide.
9. according to claim 1~7 any one for circulation that high chloride ion content is 3000~100000mg/L
The corrosion inhibiting and descaling agent of cooling water, it is characterised in that supplement water in set a delivery device, by liquid portion obtained above with
Solid portion is added by the delivery device in water is supplemented, and described delivery device has the first cavity body (2), the spheroid of spherical
Second cavity body (2 ') of shape, the first drug-feeding tube (1), the second drug-feeding tube (1 '), be fixed in the first cavity body by it is extraneous with
Multiple first drug liquid tubes (3) that the inside of the first cavity body is connected, be fixed in the second cavity body will be extraneous empty with second
Multiple second drug liquid tubes (3 '), first supporting leg (4) of the first cavity body of support, the second cavity of support that the inside of cavity is connected
Second supporting leg (4 ') of body, the lower end of the first drug-feeding tube (1) is connected with the middle part of the first cavity body (2), the second drug-feeding tube
The lower end of (1 ') is connected with the middle part of the second cavity body (2 '), and described solid portion, second are put into the first cavity body (2)
Described liquid portion is put into cavity body (2 '), the first drug liquid tube (3) is identical with the quantity of the second drug liquid tube (3 '), each the
The bore inner diameter of one drug liquid tube (3) is 1.5~2.0 times of the bore inner diameter of each the second drug liquid tube (3 '), the first drug liquid tube (3)
It is 8~15 centimetres with the minimum distance H of the second drug liquid tube (3 '), the dosing mouth of the first drug-feeding tube (1), second drug-feeding tube (1 ')
Dosing mouth is all located above the supplement water water surface.
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| CN106745858B (en) | 2020-02-18 |
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