CN112337141A - Defoaming agent and preparation method thereof - Google Patents
Defoaming agent and preparation method thereof Download PDFInfo
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- CN112337141A CN112337141A CN202011224978.8A CN202011224978A CN112337141A CN 112337141 A CN112337141 A CN 112337141A CN 202011224978 A CN202011224978 A CN 202011224978A CN 112337141 A CN112337141 A CN 112337141A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
- B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
- B01D19/0409—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing Si-atoms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
- B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
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- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention relates to the technical field of defoaming agents, in particular to a defoaming agent and a preparation method thereof, which can improve the foam inhibition performance, can conveniently control the addition amount of the defoaming agent according to different use requirements, and improve the use portability; the defoaming agent comprises the following components: 1-2% of an emulsifier; 0.6-1.0% of a dispersant; 0.8-1.2% of an emulsifying aid; 3-5% of active ingredients; the rest of the carrier, the defoaming agent comprises the following steps in production: s1, preparing a carrier binder: mixing sodium humate into a sticky state; s2, mixing carrier materials: grinding and sieving the activated carbon powder, adding the powder into the binder, and continuously stirring and mixing until the materials are mixed into a mass; s3, kneading; s4, forming carrier particles; s5, carbonizing; s6, mixing the dressing; s7, carrier dressing; s8, irradiation curing: introducing the carrier filled with the dressing into irradiation equipment for irradiation treatment, so that the dressing is solidified in the pore diameter of the carrier particles; and S9, subpackaging.
Description
Technical Field
The invention relates to the technical field of defoaming agents, in particular to a defoaming agent and a preparation method thereof.
Background
The defoaming agent is a substance which can reduce the surface tension of water, solution, suspension and the like, prevent the formation of foam, or reduce or eliminate original foam, can generate a large amount of foam in the production and application processes of the fields of coating, textile, medicine, fermentation, papermaking, water treatment, petrochemical industry and the like, and further influences the product quality and the production process, and based on the inhibition and elimination of the foam, a specific amount of the defoaming agent is usually added in the production process, and the defoaming agent has the following properties: the defoaming power is strong, and the dosage is less; adding the product into a foaming system does not influence the basic properties of the system, namely does not react with a system to be defoamed; surface tension is small; fourthly, the balance between the surface and the surface is good; the heat resistance is good; sixthly, the diffusivity and the permeability are good, and the positive spreading coefficient is higher; the chemical stability and the oxidation resistance are strong; the gas has good solubility and permeability; ninthly, the dissolubility in the foaming solution is small; the (R) has no physiological activity and high safety, is widely applied to the food industry, the paper industry, the water treatment industry, the oil extraction industry, the printing and dyeing industry, the coating industry, the detergent industry, the rubber latex industry, the aerosol industry, the daily chemical industry, the medical industry, the dairy product industry and the like, and the conventional defoaming agent silicone defoaming agent has the advantages of strong defoaming performance, quick defoaming capability, low volatility, no toxicity to the environment, no physiological inertia and the like, but has poor foam inhibition performance in the using process, and is inconvenient to control the addition amount of the defoaming agent according to different using requirements, so that the using portability of the defoaming agent is poor.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a defoaming agent which can improve the foam suppressing performance, and can conveniently control the addition amount of the defoaming agent according to different use requirements, thereby improving the portability of use;
the invention aims to provide a preparation method of a defoaming agent with good foam inhibition performance and high portability.
The invention relates to a defoaming agent, which comprises the following components:
1-2% of an emulsifier;
0.6-1.0% of a dispersant;
0.8-1.2% of an emulsifying aid;
3-5% of active ingredients;
and (4) the rest of the carrier.
Further, the carrier comprises sodium humate and activated carbon powder, and the use ratio of the sodium humate to the activated carbon powder is 1: 9-10.
Furthermore, the active ingredient is a mixture of any two or more of polymethylsiloxane, hydroxymethyl cellulose, organic silicone oil and graphene powder, wherein the adding ratio of the ingredients is 1: 2-3: 1.1-1.6: 1.5-2.3.
Further, the dispersing agent is any one or a mixture of two of sodium tripolyphosphate, sodium pyrophosphate and polyacrylamide.
A preparation method of a defoaming agent comprises the following steps:
s1, preparing a carrier binder: adding water into the sodium humate while stirring until the sodium humate is mixed into a sticky state;
s2, mixing carrier materials: grinding and sieving the activated carbon powder, adding the ground and sieved activated carbon powder into the binder prepared in S1, and continuously stirring and mixing until the materials are mixed into a mass;
s3, kneading: adding the materials after being mixed into a cluster into a kneading machine for kneading for more than 30 min;
s4, carrier particle forming: putting the kneaded material into a forming machine for particle forming treatment to obtain a granular carrier;
s5, carbonization treatment: after the granular intermediate product obtained in the step is dried in the air, the granular intermediate product is added into a carbonization furnace for carbonization treatment, and after the carbonization treatment is finished, the granular intermediate product is taken out and cooled to room temperature to obtain carrier granules with porous structures;
s6, dressing mixing: uniformly mixing an emulsifier, a dispersant, an emulsifying aid and an active ingredient for later use;
s7, carrier dressing: putting the obtained carrier particles into the mixed auxiliary materials, and continuously shaking and mixing to enable the dressing to be continuously filled into the aperture of the carrier particles;
s8, irradiation curing: introducing the carrier filled with the dressing into irradiation equipment for irradiation treatment, so that the dressing is solidified in the pore diameter of the carrier particles;
s9, subpackaging: and (4) subpackaging and storing the particles obtained after irradiation curing to obtain the solid defoaming agent particles.
Further, the irradiation treatment condition is gamma ray irradiation treatment, and the irradiation intensity is 6.5-8 KGy.
Compared with the prior art, the invention has the beneficial effects that: the active ingredients of the defoaming agent prepared by the invention are completely attached to the carrier, the defoaming agent can be suspended on the liquid surface to be defoamed by the buoyancy of the carrier, the active ingredients of the defoaming agent are fully contacted with the foam on the liquid surface and are fused with the liquid, the defoaming treatment is fully performed, when the active ingredients of the defoaming agent in the carrier are completely used up or the liquid is treated and the water is required to be discharged, the carrier can be completely fished out, the carrier can be recycled after being cleaned, the defoaming agent is attached again, the carrier contains active carbon powder, the carrier can be directly used for air purification, water body purification and other treatments, the cost is saved, the carrier has multiple purposes, and the quantity of the carrier is convenient to measure, so that when the liquid is defoamed, the addition amount of the defoaming agent can be conveniently controlled by only putting carrier particles according to the quantity, the use portability is improved, polymethyl siloxane, hydroxymethyl cellulose, organic silicon oil, graphene powder and the like are used as main active ingredients, good explosion breaking and surface tension reducing effects can be achieved, more than two kinds of active ingredients can achieve good foam inhibition effects by mixing, the active ingredients can be dispersed into small particles by adding an emulsifier, the active ingredients can be dispersed into liquid such as oil or water better, a better defoaming effect is achieved, the active ingredients are separated from carrier particles, the active ingredients can be emulsified better by adding an emulsifying aid, the active ingredients can be dispersed into the liquid better by adding a dispersing agent, and the active ingredients and the emulsifying agent have the complementary effect.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
The invention relates to a defoaming agent, which comprises the following components:
1.5 percent of emulsifier;
0.8 percent of dispersant;
1.0% of an emulsifying assistant;
3.5 percent of active ingredients;
and (4) the rest of the carrier.
The carrier comprises sodium humate and activated carbon powder, and the use ratio of the sodium humate to the activated carbon powder is 1: 9.
The active ingredient is a mixture of polymethylsiloxane, hydroxymethyl cellulose, organic silicone oil and graphene powder, wherein the adding ratio of the ingredients is 1:2:1.5: 2.
The dispersing agent is a mixture of sodium pyrophosphate and polyacrylamide.
A preparation method of a defoaming agent comprises the following steps:
s1, preparing a carrier binder: adding water into the sodium humate while stirring until the sodium humate is mixed into a sticky state;
s2, mixing carrier materials: grinding and sieving the activated carbon powder, adding the ground and sieved activated carbon powder into the binder prepared in S1, and continuously stirring and mixing until the materials are mixed into a mass;
s3, kneading: adding the materials after being mixed into a cluster into a kneading machine for kneading for more than 30 min;
s4, carrier particle forming: putting the kneaded material into a forming machine for particle forming treatment to obtain a granular carrier;
s5, carbonization treatment: after the granular intermediate product obtained in the step is dried in the air, the granular intermediate product is added into a carbonization furnace for carbonization treatment, and after the carbonization treatment is finished, the granular intermediate product is taken out and cooled to room temperature to obtain carrier granules with porous structures;
s6, dressing mixing: uniformly mixing an emulsifier, a dispersant, an emulsifying aid and an active ingredient for later use;
s7, carrier dressing: putting the obtained carrier particles into the mixed auxiliary materials, and continuously shaking and mixing to enable the dressing to be continuously filled into the aperture of the carrier particles;
s8, irradiation curing: introducing the carrier filled with the dressing into irradiation equipment for irradiation treatment, so that the dressing is solidified in the pore diameter of the carrier particles;
s9, subpackaging: and (3) subpackaging and storing the particles obtained after irradiation curing to obtain solid defoaming agent particles, wherein the irradiation treatment condition is gamma ray irradiation treatment, and the irradiation intensity is 6.5-8 KGy.
When the defoaming agent prepared by the implementation is used, the foam inhibition effect is about 25% higher than that of a common defoaming agent, after the defoaming agent is used, the recovery rate of carrier particles reaches more than 95%, the foam inhibition performance is good, the addition amount of the defoaming agent can be conveniently controlled according to different use requirements, and the use portability is good.
Example 2
The invention relates to a defoaming agent, which comprises the following components:
1% of an emulsifier;
0.6 percent of dispersant;
1.2% of an emulsifying assistant;
4% of active ingredients;
and (4) the rest of the carrier.
The carrier comprises sodium humate and activated carbon powder, and the use ratio of the sodium humate to the activated carbon powder is 1: 10.
The active ingredient is a mixture of polymethylsiloxane and hydroxymethyl cellulose, wherein the addition ratio of each ingredient is 1: 3.
The dispersant is sodium tripolyphosphate.
A preparation method of a defoaming agent comprises the following steps:
s1, preparing a carrier binder: adding water into the sodium humate while stirring until the sodium humate is mixed into a sticky state;
s2, mixing carrier materials: grinding and sieving the activated carbon powder, adding the ground and sieved activated carbon powder into the binder prepared in S1, and continuously stirring and mixing until the materials are mixed into a mass;
s3, kneading: adding the materials after being mixed into a cluster into a kneading machine for kneading for more than 30 min;
s4, carrier particle forming: putting the kneaded material into a forming machine for particle forming treatment to obtain a granular carrier;
s5, carbonization treatment: after the granular intermediate product obtained in the step is dried in the air, the granular intermediate product is added into a carbonization furnace for carbonization treatment, and after the carbonization treatment is finished, the granular intermediate product is taken out and cooled to room temperature to obtain carrier granules with porous structures;
s6, dressing mixing: uniformly mixing an emulsifier, a dispersant, an emulsifying aid and an active ingredient for later use;
s7, carrier dressing: putting the obtained carrier particles into the mixed auxiliary materials, and continuously shaking and mixing to enable the dressing to be continuously filled into the aperture of the carrier particles;
s8, irradiation curing: introducing the carrier filled with the dressing into irradiation equipment for irradiation treatment, so that the dressing is solidified in the pore diameter of the carrier particles;
s9, subpackaging: and (3) subpackaging and storing the particles obtained after irradiation curing to obtain solid defoaming agent particles, wherein the irradiation treatment condition is gamma ray irradiation treatment, and the irradiation intensity is 6.5-8 KGy.
When the defoaming agent prepared by the implementation is used, the foam inhibition effect is about 28% higher than that of a common defoaming agent, after the defoaming agent is used, the recovery rate of carrier particles reaches over 96%, the foam inhibition performance is good, the addition amount of the defoaming agent can be conveniently controlled according to different use requirements, and the use portability is good.
Example 3
The invention relates to a defoaming agent, which comprises the following components:
2% of an emulsifier;
1.0% of a dispersant;
0.8 percent of emulsification assistant;
3% of active ingredients;
and (4) the rest of the carrier.
The carrier comprises sodium humate and activated carbon powder, and the use ratio of the sodium humate to the activated carbon powder is 1: 10.
The active ingredient is a mixture of polymethylsiloxane, hydroxymethyl cellulose and graphene powder, wherein the addition ratio of the ingredients is 1:2.5: 1.8.
The dispersing agent is a mixture of sodium tripolyphosphate, sodium pyrophosphate and polyacrylamide.
A preparation method of a defoaming agent comprises the following steps:
s1, preparing a carrier binder: adding water into the sodium humate while stirring until the sodium humate is mixed into a sticky state;
s2, mixing carrier materials: grinding and sieving the activated carbon powder, adding the ground and sieved activated carbon powder into the binder prepared in S1, and continuously stirring and mixing until the materials are mixed into a mass;
s3, kneading: adding the materials after being mixed into a cluster into a kneading machine for kneading for more than 30 min;
s4, carrier particle forming: putting the kneaded material into a forming machine for particle forming treatment to obtain a granular carrier;
s5, carbonization treatment: after the granular intermediate product obtained in the step is dried in the air, the granular intermediate product is added into a carbonization furnace for carbonization treatment, and after the carbonization treatment is finished, the granular intermediate product is taken out and cooled to room temperature to obtain carrier granules with porous structures;
s6, dressing mixing: uniformly mixing an emulsifier, a dispersant, an emulsifying aid and an active ingredient for later use;
s7, carrier dressing: putting the obtained carrier particles into the mixed auxiliary materials, and continuously shaking and mixing to enable the dressing to be continuously filled into the aperture of the carrier particles;
s8, irradiation curing: introducing the carrier filled with the dressing into irradiation equipment for irradiation treatment, so that the dressing is solidified in the pore diameter of the carrier particles;
s9, subpackaging: and (3) subpackaging and storing the particles obtained after irradiation curing to obtain solid defoaming agent particles, wherein the irradiation treatment condition is gamma ray irradiation treatment, and the irradiation intensity is 6.5-8 KGy.
When the defoaming agent prepared by the implementation is used, the foam inhibition effect is about 26% higher than that of a common defoaming agent, after the defoaming agent is used, the recovery rate of carrier particles reaches over 95%, the foam inhibition performance is good, the addition amount of the defoaming agent can be conveniently controlled according to different use requirements, and the use portability is good.
Example 4
The invention relates to a defoaming agent, which comprises the following components:
1.8 percent of emulsifier;
0.9 percent of dispersant;
0.9 percent of emulsification assistant;
5% of active ingredients;
and (4) the rest of the carrier.
The carrier comprises sodium humate and activated carbon powder, and the use ratio of the sodium humate to the activated carbon powder is 1: 10.
The active ingredient is a mixture of any two or more of hydroxymethyl cellulose, organic silicone oil and graphene powder, wherein the addition ratio of each ingredient is 2.8:1.3: 2.1.
The dispersing agent is a mixture of sodium tripolyphosphate and sodium pyrophosphate.
A preparation method of a defoaming agent comprises the following steps:
s1, preparing a carrier binder: adding water into the sodium humate while stirring until the sodium humate is mixed into a sticky state;
s2, mixing carrier materials: grinding and sieving the activated carbon powder, adding the ground and sieved activated carbon powder into the binder prepared in S1, and continuously stirring and mixing until the materials are mixed into a mass;
s3, kneading: adding the materials after being mixed into a cluster into a kneading machine for kneading for more than 30 min;
s4, carrier particle forming: putting the kneaded material into a forming machine for particle forming treatment to obtain a granular carrier;
s5, carbonization treatment: after the granular intermediate product obtained in the step is dried in the air, the granular intermediate product is added into a carbonization furnace for carbonization treatment, and after the carbonization treatment is finished, the granular intermediate product is taken out and cooled to room temperature to obtain carrier granules with porous structures;
s6, dressing mixing: uniformly mixing an emulsifier, a dispersant, an emulsifying aid and an active ingredient for later use;
s7, carrier dressing: putting the obtained carrier particles into the mixed auxiliary materials, and continuously shaking and mixing to enable the dressing to be continuously filled into the aperture of the carrier particles;
s8, irradiation curing: introducing the carrier filled with the dressing into irradiation equipment for irradiation treatment, so that the dressing is solidified in the pore diameter of the carrier particles;
s9, subpackaging: and (3) subpackaging and storing the particles obtained after irradiation curing to obtain solid defoaming agent particles, wherein the irradiation treatment condition is gamma ray irradiation treatment, and the irradiation intensity is 6.5-8 KGy.
When the defoaming agent prepared by the implementation is used, the foam inhibition effect is about 24% higher than that of a common defoaming agent, after the defoaming agent is used, the recovery rate of carrier particles reaches more than 97%, the foam inhibition performance is good, the addition amount of the defoaming agent can be conveniently controlled according to different use requirements, and the use portability is good.
Example 5
The invention relates to a defoaming agent, which comprises the following components:
1.3 percent of emulsifier;
0.7 percent of dispersant;
1.1% of an emulsifying assistant;
4.5 percent of active ingredients;
and (4) the rest of the carrier.
The carrier comprises sodium humate and activated carbon powder, and the use ratio of the sodium humate to the activated carbon powder is 1: 9.
The active ingredients are a mixture of any two or more of polymethylsiloxane, hydroxymethyl cellulose, organic silicone oil and graphene powder, wherein the adding ratio of the ingredients is 1:2.4:1.3: 2.3.
The dispersing agent is a mixture of sodium tripolyphosphate and polyacrylamide.
A preparation method of a defoaming agent comprises the following steps:
s1, preparing a carrier binder: adding water into the sodium humate while stirring until the sodium humate is mixed into a sticky state;
s2, mixing carrier materials: grinding and sieving the activated carbon powder, adding the ground and sieved activated carbon powder into the binder prepared in S1, and continuously stirring and mixing until the materials are mixed into a mass;
s3, kneading: adding the materials after being mixed into a cluster into a kneading machine for kneading for more than 30 min;
s4, carrier particle forming: putting the kneaded material into a forming machine for particle forming treatment to obtain a granular carrier;
s5, carbonization treatment: after the granular intermediate product obtained in the step is dried in the air, the granular intermediate product is added into a carbonization furnace for carbonization treatment, and after the carbonization treatment is finished, the granular intermediate product is taken out and cooled to room temperature to obtain carrier granules with porous structures;
s6, dressing mixing: uniformly mixing an emulsifier, a dispersant, an emulsifying aid and an active ingredient for later use;
s7, carrier dressing: putting the obtained carrier particles into the mixed auxiliary materials, and continuously shaking and mixing to enable the dressing to be continuously filled into the aperture of the carrier particles;
s8, irradiation curing: introducing the carrier filled with the dressing into irradiation equipment for irradiation treatment, so that the dressing is solidified in the pore diameter of the carrier particles;
s9, subpackaging: and (3) subpackaging and storing the particles obtained after irradiation curing to obtain solid defoaming agent particles, wherein the irradiation treatment condition is gamma ray irradiation treatment, and the irradiation intensity is 6.5-8 KGy.
When the defoaming agent prepared by the implementation is used, the foam inhibition effect is about 26% higher than that of a common defoaming agent, after the defoaming agent is used, the recovery rate of carrier particles reaches over 95%, the foam inhibition performance is good, the addition amount of the defoaming agent can be conveniently controlled according to different use requirements, and the use portability is good.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
2. the defoaming agent according to claim 1, wherein the carrier comprises sodium humate and activated carbon powder, and the ratio of the sodium humate to the activated carbon powder is 1: 9-10.
3. The antifoaming agent according to claim 1, wherein the active ingredient is a mixture of any two or more of polymethylsiloxane, hydroxymethyl cellulose, silicone oil and graphene powder, and the addition ratio of the components is 1: 2-3: 1.1-1.6: 1.5-2.3.
4. The defoaming agent according to claim 1, wherein said dispersant is any one or a mixture of two of sodium tripolyphosphate, sodium pyrophosphate and polyacrylamide.
5. A method of making an antifoaming agent as claimed in claim 1, comprising the steps of:
s1, preparing a carrier binder: adding water into the sodium humate while stirring until the sodium humate is mixed into a sticky state;
s2, mixing carrier materials: grinding and sieving the activated carbon powder, adding the ground and sieved activated carbon powder into the binder prepared in S1, and continuously stirring and mixing until the materials are mixed into a mass;
s3, kneading: adding the materials after being mixed into a cluster into a kneading machine for kneading for more than 30 min;
s4, carrier particle forming: putting the kneaded material into a forming machine for particle forming treatment to obtain a granular carrier;
s5, carbonization treatment: after the granular intermediate product obtained in the step is dried in the air, the granular intermediate product is added into a carbonization furnace for carbonization treatment, and after the carbonization treatment is finished, the granular intermediate product is taken out and cooled to room temperature to obtain carrier granules with porous structures;
s6, dressing mixing: uniformly mixing an emulsifier, a dispersant, an emulsifying aid and an active ingredient for later use;
s7, carrier dressing: putting the obtained carrier particles into the mixed auxiliary materials, and continuously shaking and mixing to enable the dressing to be continuously filled into the aperture of the carrier particles;
s8, irradiation curing: introducing the carrier filled with the dressing into irradiation equipment for irradiation treatment, so that the dressing is solidified in the pore diameter of the carrier particles;
s9, subpackaging: and (4) subpackaging and storing the particles obtained after irradiation curing to obtain the solid defoaming agent particles.
6. The method for preparing an antifoaming agent according to claim 5, wherein the irradiation treatment is performed under gamma irradiation with an irradiation intensity of 6.5 to 8 KGy.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115105867A (en) * | 2022-06-21 | 2022-09-27 | 杭州撒拉弗科技有限公司 | Emulsion type defoaming agent for papermaking and preparation method thereof |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115105867A (en) * | 2022-06-21 | 2022-09-27 | 杭州撒拉弗科技有限公司 | Emulsion type defoaming agent for papermaking and preparation method thereof |
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Application publication date: 20210209 |