阅读说明：本技术 一种棉类织物染色布面胶状物去除方法 (Method for removing colloid on dyed cloth surface of cotton fabric ) 是由 周立夫 陆新良 于 2021-06-17 设计创作，主要内容包括：本发明公开了一种棉类织物染色布面胶状物去除方法,包括以下步骤：S1.预湿热布料：将棉类织物染色布料用热湿气进行蒸煮；S2.准备处理液：按以下质量浓度准备原料,除油剂2g/L,多功能乳化剂2g/L,分散剂2g/L和纯碱2g/L；S3.预热处理液：将所述步骤S1中处理后的棉类织物染色布料放入处理液中进行恒温前处理,并充分搅拌；S4.清洗：将所述步骤S3中处理完成的布料用清水清洗；S5.干燥：将步骤S4中处理完成的布料进行烘干处理。本发明通过先将布料进行预热,然后利用处理液对布料进行浸泡,同时处理液采用除油剂、多功能乳化剂、分散剂和纯碱,能够有效的去除布料表面的胶状物,且布面去污渍效果好。(The invention discloses a method for removing colloid on a dyed cloth cover of a cotton fabric, which comprises the following steps: s1, pre-wetting and pre-heating cloth: steaming and boiling the dyed cotton fabric by hot moisture; s2, preparing a treatment solution: preparing raw materials according to the following mass concentration, wherein the oil removing agent is 2g/L, the multifunctional emulsifier is 2g/L, the dispersant is 2g/L and the soda is 2 g/L; s3, preheating treatment fluid: placing the cotton fabric dyed cloth treated in the step S1 into a treatment solution for constant-temperature pretreatment, and fully stirring; s4, cleaning: washing the cloth processed in the step S3 with clean water; s5, drying: and (6) drying the cloth processed in the step (S4). According to the invention, the cloth is preheated, then the cloth is soaked by the treatment liquid, and meanwhile, the treatment liquid adopts the oil removal agent, the multifunctional emulsifier, the dispersant and the soda ash, so that the jelly on the surface of the cloth can be effectively removed, and the stain removal effect on the cloth surface is good.)

1. A method for removing colloid on the dyed cloth surface of cotton fabric is characterized in that: the method comprises the following steps:

s1, pre-wetting and pre-heating cloth: steaming and boiling the dyed cotton fabric by hot moisture;

s2, preparing a treatment solution: preparing raw materials according to the following mass concentration, wherein the oil removing agent is 2g/L, the multifunctional emulsifier is 2g/L, the dispersant is 2g/L and the soda is 2 g/L;

s3, preheating treatment fluid: placing the cotton fabric dyed cloth treated in the step S1 into a treatment solution for constant-temperature pretreatment, and fully stirring;

s4, cleaning: washing the cloth processed in the step S3 with clean water;

s5, drying: and (6) drying the cloth processed in the step (S4).

2. The method for removing the colloid on the dyeing cloth cover of the cotton fabric according to claim 1, which is characterized in that: the preparation method of the oil removing agent comprises the following steps:

s101, raw material preparation: selecting raw materials including, by weight, 15-35 parts of hydroxymethyl butyl ether acetate, 15-35 parts of butyl acetate, 15-35 parts of octylphenol polyoxyethylene ether, 8-18 parts of dodecanol amide, 8-18 parts of oleic acid, 4-12 parts of simethicone, 8-18 parts of alkyl sulfonate, 8-18 parts of sodium silicate, 12-24 parts of sodium perborate, 1-6 parts of essence, 4-10 parts of a whitening agent, 4-10 parts of a detergent and 8-16 parts of a composite surfactant;

s102, raw material preliminary mixing: weighing hydroxymethyl butyl ether acetate, butyl acetate, octyl phenol polyoxyethylene ether and dodecanol amide raw materials, adding the raw materials into a reaction kettle, mixing, stirring for 18-32 minutes, uniformly stirring, and heating to 80-100 ℃;

s103, mixing the raw materials again: adding oleic acid, dimethyl silicone oil, alkyl sulfonate, sodium silicate and sodium perborate into S102, cooling to 30-55 ℃, adding a detergent, heating to 90-120 ℃, adding essence, a whitening agent and a composite surfactant when the temperature is reduced to 50-60 ℃, and stirring for 10-20 minutes under the condition of heat preservation at 50-60 ℃;

s104, preparing a degreasing agent: and (4) conveying the mixture processed in the step (S103) to an emulsifying machine for emulsification to obtain an oil removing agent product.

3. The method for removing the colloid on the dyeing cloth cover of the cotton fabric according to claim 2, which is characterized in that: the whitening agent adopts one or more of 4-methyl-7-dimethylamine coumarin, stilbene derivatives, phenylpyrazoline derivatives, benzimidazole derivatives, phenylpyrazole derivatives, coumarin derivatives and naphthalimide derivatives.

4. The method for removing the colloid on the dyeing cloth cover of the cotton fabric according to claim 2, which is characterized in that: the detergent is methyl methacrylate, methacrylic acid and acrylic acid copolymer.

5. The method for removing the colloid on the dyeing cloth cover of the cotton fabric according to claim 2, which is characterized in that: the composite surfactant is prepared by mixing nonylphenol polyoxyethylene ether and nonylphenol polyoxyethylene ether sulfonic acid, wherein the mass percentage of the nonylphenol polyoxyethylene ether is 55-60%, and the mass ratio of the nonylphenol polyoxyethylene ether sulfonic acid is 40-45%.

6. The method for removing the colloid on the dyeing cloth cover of the cotton fabric according to claim 1, which is characterized in that: the preparation method of the calcined soda comprises the following steps:

s201, evaporating underground brine to obtain concentrated brine with the concentration of 20-24 Baume degrees;

s202, adding solid salt into the concentrated brine obtained in the step S201, and dissolving salt to obtain saturated brine;

s203, introducing the saturated brine obtained in the step S202 into an ammonia absorption reactor, introducing ammonia gas without carbon dioxide to obtain ammonia brine slurry, clarifying the ammonia brine slurry, filtering and separating magnesium hydroxide solids, and obtaining filtrate which is ammonia brine;

s204, feeding the ammonia brine obtained in the step 203 into a carbonization reactor, introducing gas containing carbon dioxide to obtain neutralized brine slurry, adding solid powder salt into the neutralized brine slurry, clarifying, filtering to separate calcium and magnesium salts, and obtaining filtrate refined ammonia brine; the carbon dioxide-containing gas is a mixed gas of carbon dioxide and nitrogen, wherein the volume ratio of the carbon dioxide is 35-45%;

s205, producing the soda ash from the refined ammonia brine obtained in the step S204 by an ammonia-soda process.

7. The method for removing the colloid on the dyeing cloth cover of the cotton fabric according to claim 6, which is characterized in that: in the step S203, the temperature in the ammonia absorption reactor is maintained at 55-85 ℃, and the process for producing the calcined soda by the ammonia-soda process in the step S205 comprises the following steps: conveying the refined ammonia brine into a carbonization tower of the ammonia-soda process soda production process through a pump, reacting with carbon dioxide gas to generate sodium bicarbonate crystals, separating the sodium bicarbonate, and calcining at high temperature in a calcining furnace to obtain a soda product.

Technical Field

The invention belongs to the technical field of cotton fabric dyed cloth, and particularly relates to a method for removing jelly on a dyed cloth surface of cotton fabric.

Background

Cotton fabric is also called cotton cloth, is a fabric woven by using cotton yarn as a raw material, and is developed and produced into products such as ultra-cotton fabric underwear, bathrobes, T-shirts and the like, has superior performances such as heat preservation, water absorption, moisture conduction, quick drying, antibiosis and the like, and belongs to high-grade fabrics.

The prior cotton fabric dyeing cloth surface still has some problems in the pretreatment process: jelly is easy to appear on the dyed cloth surface of cotton fabric, the jelly appears in the pretreatment process, the cloth surface still exists after dyeing, and the jelly is inconvenient to remove, so that the method for removing the jelly on the dyed cloth surface of cotton fabric is provided.

Disclosure of Invention

The invention aims to provide a method for removing colloid on a dyed cloth cover of a cotton fabric, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a method for removing colloid on the dyed cloth surface of cotton fabric comprises the following steps:

s1, pre-wetting and pre-heating cloth: steaming and boiling the dyed cotton fabric by hot moisture;

s2, preparing a treatment solution: preparing raw materials according to the following mass concentration, wherein the oil removing agent is 2g/L, the multifunctional emulsifier is 2g/L, the dispersant is 2g/L and the soda is 2 g/L;

s3, preheating treatment fluid: placing the cotton fabric dyed cloth treated in the step S1 into a treatment solution for constant-temperature pretreatment, and fully stirring;

s4, cleaning: washing the cloth processed in the step S3 with clean water;

s5, drying: and (6) drying the cloth processed in the step (S4).

Preferably, the oil removing agent is an oil removing agent DM-1132.

Preferably, the preparation method of the oil removing agent comprises the following steps:

s101, raw material preparation: selecting raw materials including, by weight, 15-35 parts of hydroxymethyl butyl ether acetate, 15-35 parts of butyl acetate, 15-35 parts of octylphenol polyoxyethylene ether, 8-18 parts of dodecanol amide, 8-18 parts of oleic acid, 4-12 parts of simethicone, 8-18 parts of alkyl sulfonate, 8-18 parts of sodium silicate, 12-24 parts of sodium perborate, 1-6 parts of essence, 4-10 parts of a whitening agent, 4-10 parts of a detergent and 8-16 parts of a composite surfactant;

s102, raw material preliminary mixing: weighing hydroxymethyl butyl ether acetate, butyl acetate, octyl phenol polyoxyethylene ether and dodecanol amide raw materials, adding the raw materials into a reaction kettle, mixing, stirring for 18-32 minutes, uniformly stirring, and heating to 80-100 ℃;

s103, mixing the raw materials again: adding oleic acid, dimethyl silicone oil, alkyl sulfonate, sodium silicate and sodium perborate into S102, cooling to 30-55 ℃, adding a detergent, heating to 90-120 ℃, adding essence, a whitening agent and a composite surfactant when the temperature is reduced to 50-60 ℃, and stirring for 10-20 minutes under the condition of heat preservation at 50-60 ℃;

s104, preparing a degreasing agent: and (4) conveying the mixture processed in the step (S103) to an emulsifying machine for emulsification to obtain an oil removing agent product.

Preferably, the whitening agent adopts one or more of 4-methyl-7-dimethylamine coumarin, stilbene derivatives, phenylpyrazoline derivatives, benzimidazole derivatives, phenylpyrazole derivatives, coumarin derivatives and naphthalimide derivatives.

Preferably, the detergent is methyl methacrylate, and a copolymer of methacrylic acid and acrylic acid.

Preferably, the composite surfactant is prepared by mixing nonylphenol polyoxyethylene ether and nonylphenol polyoxyethylene ether sulfonic acid, wherein the mass percentage of the nonylphenol polyoxyethylene ether is 55-60%, and the mass ratio of the nonylphenol polyoxyethylene ether sulfonic acid is 40-45%.

Preferably, the preparation method of the calcined soda comprises the following steps:

s201, evaporating underground brine to obtain concentrated brine with the concentration of 20-24 Baume degrees;

s202, adding solid salt into the concentrated brine obtained in the step S201, and dissolving salt to obtain saturated brine;

s203, introducing the saturated brine obtained in the step S202 into an ammonia absorption reactor, introducing ammonia gas without carbon dioxide to obtain ammonia brine slurry, clarifying the ammonia brine slurry, filtering and separating magnesium hydroxide solids, and obtaining filtrate which is ammonia brine;

s204, feeding the ammonia brine obtained in the step 203 into a carbonization reactor, introducing gas containing carbon dioxide to obtain neutralized brine slurry, adding solid powder salt into the neutralized brine slurry, clarifying, filtering to separate calcium and magnesium salts, and obtaining filtrate refined ammonia brine; the carbon dioxide-containing gas is a mixed gas of carbon dioxide and nitrogen, wherein the volume ratio of the carbon dioxide is 35-45%;

s205, producing the soda ash from the refined ammonia brine obtained in the step S204 by an ammonia-soda process.

Preferably, in step S203, the temperature in the ammonia absorption reactor is maintained at 55-85 ℃, and the process for producing soda by the ammonia-soda process of step S205 is as follows: conveying the refined ammonia brine into a carbonization tower of the ammonia-soda process soda production process through a pump, reacting with carbon dioxide gas to generate sodium bicarbonate crystals, separating the sodium bicarbonate, and calcining at high temperature in a calcining furnace to obtain a soda product.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the cloth is preheated, then the cloth is soaked by the treatment liquid, and meanwhile, the treatment liquid adopts the oil removal agent, the multifunctional emulsifier, the dispersant and the soda ash, so that the jelly on the surface of the cloth can be effectively removed, and the stain removal effect on the cloth surface is good.

Drawings

FIG. 1 is a block flow diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the present invention provides a technical solution: a method for removing colloid on the dyed cloth surface of cotton fabric comprises the following steps:

s1, pre-wetting and pre-heating cloth: steaming and boiling the dyed cotton fabric by hot moisture;

s2, preparing a treatment solution: preparing raw materials according to the following mass concentration, wherein the oil removing agent is 2g/L, the multifunctional emulsifier is 2g/L, the dispersant is 2g/L and the soda is 2 g/L;

s3, preheating treatment fluid: placing the cotton fabric dyed cloth treated in the step S1 into a treatment solution for constant-temperature pretreatment, and fully stirring;

s4, cleaning: washing the cloth processed in the step S3 with clean water;

s5, drying: and (6) drying the cloth processed in the step (S4).

In this embodiment, it is preferable that the oil remover is oil remover DM-1132.

In this embodiment, preferably, the preparation method of the oil removing agent includes the following steps:

s101, raw material preparation: selecting raw materials including, by weight, 15 parts of hydroxymethyl butyl ether acetate, 15 parts of butyl acetate, 15 parts of octylphenol polyoxyethylene ether, 8 parts of dodecanol amide, 8 parts of oleic acid, 4 parts of dimethyl silicone oil, 8 parts of alkyl sulfonate, 8 parts of sodium silicate, 12 parts of sodium perborate, 1 part of essence, 4 parts of a whitening agent, 4 parts of a detergent and 8 parts of a composite surfactant;

s102, raw material preliminary mixing: weighing raw materials of hydroxymethyl butyl ether acetate, butyl acetate, octyl phenol polyoxyethylene ether and dodecanol amide, adding the raw materials into a reaction kettle, mixing, stirring for 18 minutes, uniformly stirring, and heating to 80 ℃;

s103, mixing the raw materials again: adding oleic acid, dimethyl silicone oil, alkyl sulfonate, sodium silicate and sodium perborate into S102, cooling to 30 ℃, adding a detergent, heating to 90 ℃, adding essence, a whitening agent and a composite surfactant when the temperature is reduced to 50 ℃, and stirring for 10 minutes under the condition of heat preservation at 50 ℃;

s104, preparing a degreasing agent: and (4) conveying the mixture processed in the step (S103) to an emulsifying machine for emulsification to obtain an oil removing agent product.

In this embodiment, 4-methyl-7-dimethylaminocoumarin is preferably used as the whitening agent.

In this embodiment, preferably, the detergent is methyl methacrylate, and a copolymer of methacrylic acid and acrylic acid.

In this embodiment, preferably, the composite surfactant is prepared by mixing nonylphenol polyoxyethylene ether and nonylphenol polyoxyethylene ether sulfonic acid, where the mass percentage of nonylphenol polyoxyethylene ether is 55%, and the mass ratio of nonylphenol polyoxyethylene ether sulfonic acid is 45%.

In this embodiment, the dispersant is preferably a fatty acid dispersant.

In this embodiment, preferably, the preparation method of soda includes the following steps:

s201, evaporating underground brine to obtain concentrated brine with the concentration of 20 Baume degrees;

s202, adding solid salt into the concentrated brine obtained in the step S201, and dissolving salt to obtain saturated brine;

s203, introducing the saturated brine obtained in the step S202 into an ammonia absorption reactor, introducing ammonia gas without carbon dioxide to obtain ammonia brine slurry, clarifying the ammonia brine slurry, filtering and separating magnesium hydroxide solids, and obtaining filtrate which is ammonia brine;

s204, feeding the ammonia brine obtained in the step 203 into a carbonization reactor, introducing gas containing carbon dioxide to obtain neutralized brine slurry, adding solid powder salt into the neutralized brine slurry, clarifying, filtering to separate calcium and magnesium salts, and obtaining filtrate refined ammonia brine; the carbon dioxide-containing gas is a mixed gas of carbon dioxide and nitrogen, wherein the volume ratio of the carbon dioxide is 35%;

s205, producing the soda ash from the refined ammonia brine obtained in the step S204 by an ammonia-soda process.

In this embodiment, preferably, in step S203, the temperature in the ammonia absorption reactor is maintained at 55 ℃, and the process for producing soda by the ammonia-soda process in step S205 is as follows: conveying the refined ammonia brine into a carbonization tower of the ammonia-soda process soda production process through a pump, reacting with carbon dioxide gas to generate sodium bicarbonate crystals, separating the sodium bicarbonate, and calcining at high temperature in a calcining furnace to obtain a soda product.

Example 2

Referring to fig. 1, the present invention provides a technical solution: a method for removing colloid on the dyed cloth surface of cotton fabric comprises the following steps:

s1, pre-wetting and pre-heating cloth: steaming and boiling the dyed cotton fabric by hot moisture;

s2, preparing a treatment solution: preparing raw materials according to the following mass concentration, wherein the oil removing agent is 2g/L, the multifunctional emulsifier is 2g/L, the dispersant is 2g/L and the soda is 2 g/L;

s3, preheating treatment fluid: placing the cotton fabric dyed cloth treated in the step S1 into a treatment solution for constant-temperature pretreatment, and fully stirring;

s4, cleaning: washing the cloth processed in the step S3 with clean water;

s5, drying: and (6) drying the cloth processed in the step (S4).

In this embodiment, it is preferable that the oil remover is oil remover DM-1132.

In this embodiment, preferably, the preparation method of the oil removing agent includes the following steps:

s101, raw material preparation: selecting raw materials including, by weight, 35 parts of hydroxymethyl butyl ether acetate, 35 parts of butyl acetate, 35 parts of octylphenol polyoxyethylene ether, 18 parts of dodecanol amide, 18 parts of oleic acid, 12 parts of dimethyl silicone oil, 18 parts of alkyl sulfonate, 18 parts of sodium silicate, 24 parts of sodium perborate, 6 parts of essence, 10 parts of a whitening agent, 10 parts of a detergent and 16 parts of a composite surfactant;

s102, raw material preliminary mixing: weighing raw materials of hydroxymethyl butyl ether acetate, butyl acetate, octyl phenol polyoxyethylene ether and dodecanol amide, adding the raw materials into a reaction kettle, mixing, stirring for 32 minutes, uniformly stirring, and heating to 100 ℃;

s103, mixing the raw materials again: adding oleic acid, dimethyl silicone oil, alkyl sulfonate, sodium silicate and sodium perborate into S102, cooling to 55 ℃, adding a detergent, heating to 120 ℃, adding essence, a whitening agent and a composite surfactant when the temperature is reduced to 60 ℃, and stirring for 20 minutes under the condition of keeping the temperature at 60 ℃;

s104, preparing a degreasing agent: and (4) conveying the mixture processed in the step (S103) to an emulsifying machine for emulsification to obtain an oil removing agent product.

In this embodiment, it is preferable that the whitening agent is a stilbene derivative.

In this embodiment, preferably, the detergent is methyl methacrylate, and a copolymer of methacrylic acid and acrylic acid.

In this embodiment, preferably, the composite surfactant is prepared by mixing nonylphenol polyoxyethylene ether and nonylphenol polyoxyethylene ether sulfonic acid, the mass percentage of the nonylphenol polyoxyethylene ether is 60%, and the mass ratio of the nonylphenol polyoxyethylene ether sulfonic acid is 40%.

In this embodiment, the dispersant is preferably an aliphatic amide dispersant.

In this embodiment, preferably, the preparation method of soda includes the following steps:

s201, evaporating underground brine to obtain concentrated brine with the concentration of 24 Baume degrees;

s202, adding solid salt into the concentrated brine obtained in the step S201, and dissolving salt to obtain saturated brine;

s203, introducing the saturated brine obtained in the step S202 into an ammonia absorption reactor, introducing ammonia gas without carbon dioxide to obtain ammonia brine slurry, clarifying the ammonia brine slurry, filtering and separating magnesium hydroxide solids, and obtaining filtrate which is ammonia brine;

s204, feeding the ammonia brine obtained in the step 203 into a carbonization reactor, introducing gas containing carbon dioxide to obtain neutralized brine slurry, adding solid powder salt into the neutralized brine slurry, clarifying, filtering to separate calcium and magnesium salts, and obtaining filtrate refined ammonia brine; the carbon dioxide-containing gas is a mixed gas of carbon dioxide and nitrogen, wherein the volume ratio of the carbon dioxide is 45%;

s205, producing the soda ash from the refined ammonia brine obtained in the step S204 by an ammonia-soda process.

In this embodiment, preferably, in step S203, the temperature in the ammonia absorption reactor is maintained at 85 ℃, and the process for producing soda by the ammonia-soda process in step S205 is as follows: conveying the refined ammonia brine into a carbonization tower of the ammonia-soda process soda production process through a pump, reacting with carbon dioxide gas to generate sodium bicarbonate crystals, separating the sodium bicarbonate, and calcining at high temperature in a calcining furnace to obtain a soda product.

Example 3

Referring to fig. 1, the present invention provides a technical solution: a method for removing colloid on the dyed cloth surface of cotton fabric comprises the following steps:

s1, pre-wetting and pre-heating cloth: steaming and boiling the dyed cotton fabric by hot moisture;

s2, preparing a treatment solution: preparing raw materials according to the following mass concentration, wherein the oil removing agent is 2g/L, the multifunctional emulsifier is 2g/L, the dispersant is 2g/L and the soda is 2 g/L;

s3, preheating treatment fluid: placing the cotton fabric dyed cloth treated in the step S1 into a treatment solution for constant-temperature pretreatment, and fully stirring;

s4, cleaning: washing the cloth processed in the step S3 with clean water;

s5, drying: and (6) drying the cloth processed in the step (S4).

In this embodiment, it is preferable that the oil remover is oil remover DM-1132.

In this embodiment, preferably, the preparation method of the oil removing agent includes the following steps:

s101, raw material preparation: selecting raw materials including, by weight, 25 parts of hydroxymethyl butyl ether acetate, 25 parts of butyl acetate, 25 parts of octylphenol polyoxyethylene ether, 12 parts of dodecanol amide, 12 parts of oleic acid, 8 parts of dimethyl silicone oil, 12 parts of alkyl sulfonate, 12 parts of sodium silicate, 18 parts of sodium perborate, 4 parts of essence, 8 parts of whitening agent, 8 parts of detergent and 12 parts of composite surfactant;

s102, raw material preliminary mixing: weighing raw materials of hydroxymethyl butyl ether acetate, butyl acetate, octyl phenol polyoxyethylene ether and dodecanol amide, adding the raw materials into a reaction kettle, mixing, stirring for 22 minutes, uniformly stirring, and heating to 90 ℃;

s103, mixing the raw materials again: adding oleic acid, dimethyl silicone oil, alkyl sulfonate, sodium silicate and sodium perborate into S102, cooling to 45 ℃, adding a detergent, heating to 100 ℃, adding essence, a whitening agent and a composite surfactant when the temperature is reduced to 55 ℃, and stirring for 15 minutes under the condition of heat preservation at 55 ℃;

s104, preparing a degreasing agent: and (4) conveying the mixture processed in the step (S103) to an emulsifying machine for emulsification to obtain an oil removing agent product.

In this embodiment, it is preferable that the whitening agent is a phenylpyrazoline derivative.

In this embodiment, preferably, the detergent is methyl methacrylate, and a copolymer of methacrylic acid and acrylic acid.

In this embodiment, preferably, the composite surfactant is prepared by mixing nonylphenol polyoxyethylene ether and nonylphenol polyoxyethylene ether sulfonic acid, the mass percentage of the nonylphenol polyoxyethylene ether is 57%, and the mass ratio of the nonylphenol polyoxyethylene ether sulfonic acid is 43%.

In this embodiment, the dispersant is preferably an oligomer metal soap dispersant.

In this embodiment, preferably, the preparation method of soda includes the following steps:

s201, evaporating underground brine to obtain concentrated brine with the concentration of 22 Baume degrees;

s202, adding solid salt into the concentrated brine obtained in the step S201, and dissolving salt to obtain saturated brine;

s203, introducing the saturated brine obtained in the step S202 into an ammonia absorption reactor, introducing ammonia gas without carbon dioxide to obtain ammonia brine slurry, clarifying the ammonia brine slurry, filtering and separating magnesium hydroxide solids, and obtaining filtrate which is ammonia brine;

s204, feeding the ammonia brine obtained in the step 203 into a carbonization reactor, introducing gas containing carbon dioxide to obtain neutralized brine slurry, adding solid powder salt into the neutralized brine slurry, clarifying, filtering to separate calcium and magnesium salts, and obtaining filtrate refined ammonia brine; the carbon dioxide-containing gas is a mixed gas of carbon dioxide and nitrogen, wherein the volume ratio of the carbon dioxide is 40%;

s205, producing the soda ash from the refined ammonia brine obtained in the step S204 by an ammonia-soda process.

In this embodiment, preferably, in step S203, the temperature in the ammonia absorption reactor is maintained at 65 ℃, and the process for producing soda by the ammonia-soda process in step S205 is as follows: conveying the refined ammonia brine into a carbonization tower of the ammonia-soda process soda production process through a pump, reacting with carbon dioxide gas to generate sodium bicarbonate crystals, separating the sodium bicarbonate, and calcining at high temperature in a calcining furnace to obtain a soda product.

The invention has the following structural principles and advantages: according to the invention, the cloth is preheated, then the cloth is soaked by the treatment liquid, and meanwhile, the treatment liquid adopts the oil removal agent, the multifunctional emulsifier, the dispersant and the soda ash, so that the jelly on the surface of the cloth can be effectively removed, and the stain removal effect on the cloth surface is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.