56 results about "Sodium disulfite" patented technology

Disclosed herein are pharmaceutical formulations including epinephrine that have increased epinephrine retention over long-term storage, e.g., 30-months. In one aspect, a formulation includes: one or more of 0.1 mg / mL of epinephrine or a pharmaceutically acceptable salt thereof provided without any overage, a tonicity regulating agent including 8.2 mg / mL of sodium chloride, a pH adjusting agent including a mixture of 1.5 mg / mL sodium citrate dihydrate, 3.3 mg / mL of citric acid monohydrate, and, optionally, an as-needed amount of sodium hydroxide to maintain the pH level of the formulation within a range of 3.6 to 4.0, 0.075 mg / mL of sodium metabisulfite, and 4 μg / mL of ethylene diamine tetra-acetate disodium. The formulation has an API recovery of 94.5% or more after at least 30 months of storage at long-term storage conditions defined as 25° C.±2° C. at 1 atmosphere. In addition, in another aspect, a formulation includes 1 mg / mL of epinephrine and other ingredients.

Provided is a cosmetic containing ascorbic acid and / or a salt thereof, which has excellent stability and reduced irritation to the skin. The cosmetic according to the present invention contains ascorbic acid and / or a salt thereof, ultrapure water, and an antioxidant, and the salt of ascorbic acid is at least one selected from the group consisting of a trimethylamine salt, a triethylamine salt, a monoethanolamine salt, a triethanolamine salt, a pyridinium salt, an arginine salt, an ammonium salt, a sodium salt, a potassium salt, a calcium salt, a magnesium salt, and an aluminum salt of ascorbic acid. The antioxidant is glutathione or sodium pyrosulfite, the pH of the cosmetic material is adjusted to 5.0-7.0, and the dissolved oxygen content of the cosmetic material is 0-5 mg / L.

The present disclosure discloses a composition for hair growth comprising Larix europea wood extract, Camellia sinesis leaf extract, Pisum sativum sprout extract, Curcuma longa (Turmeric) callus conditioned media, Hamamelis virginiana (Witch Hazel), Rosmarinus officinalis Leaf Oil, Glycerin, Glycine, Zinc Chloride, Sodium Metabisulfite, Gluconolactone, Sodium Benzoate, Calcium Gluconate, Tetrasodium ethylenediaminetetraacetic acid (EDTA), Saccharide Isomerate, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Propanediol, Biotinoyl Tripeptide- 1, Alpha Glucosyl Hesperidin, Caffeine, Hydrolyzed Pea Protein, Polyalkylene Glycol Mono Butyl Ether, Acrylates / C 10-30 Alkyl Acrylate Crosspolymer, Panthenol, Niacinamide, Arginine, PEG-40 Hydrogenated Castor Oil, Ethylhexylglycerin, Phenoxyethanol, and water is added to the composition until the desired volume is achieved. A method for preparing the composition for hair growth is also provided.

Oral liquid formulations are provided containing sodium picosulfate, magnesium citrate, citric acid, malic acid, and an antioxidant selected from potassium metabisulfite and sodium metabisulfite, wherein the antioxidant is present in the composition at a concentration of from about 0.002 M to about 0.1 M, and wherein the composition has a pH of from about 4.0 to about 6.5.

The utility model relates to the technical field of sodium pyrosulfite production and preparation, and discloses a sodium pyrosulfite powder drying and conveying device which comprises a drying tower, a powder collecting box installed on one side of the drying tower and a conveying mechanism installed in the powder collecting box. A drain outlet penetrates through the bottom face of one end, close to the drying tower, of the powder collecting box, a sealing door is hinged to the inner wall of the drain outlet, a moving mechanism is connected to the bottom face of the outer wall of the powder collecting box, a supporting assembly is connected to the output end of the moving mechanism, and the other end of the supporting assembly penetrates through the outer wall of the drying tower to the interior of the drying tower. According to the sodium pyrosulfite powder drying and conveying device, the sealing assembly is arranged at the discharging opening between the drying tower and the powder collecting box, the drying tower and the powder collecting box can be separated when the interior of the powder collecting box is cleaned, and then the situation that sodium pyrosulfite powder in the drying tower is polluted by cleaning sewage in the powder collecting box can be avoided.

The invention provides a spicy walnut kernel and a preparation method thereof, and belongs to the technical field of food processing. The Chinese prickly ash sesame walnut kernels disclosed by the invention comprise the following components in parts by weight: 800-1200 parts of walnut kernels, 40-60 parts of Chinese prickly ash oil, 3-8 parts of chili oil, 3-5 parts of white granulated sugar, 3-5 parts of edible salt, 1-5 parts of monosodium glutamate, 3-8 parts of garlic powder, 1-5 parts of ginger powder, 3-8 parts of white pepper, 1-5 parts of a yeast extract, 0.02-0.1 part of disodium 5 '-ribonucleotide, 0.05-0.2 part of a rosemary extract, 0.1-0.3 part of an acanthopanax senticosus extract, 3-7 parts of amomum tsao-ko and 0.05-0.15 part of D-sodium erythorbate. 0.1 to 0.2 part of epsilon-polylysine hydrochloride, 0.1 to 0.3 part of potassium sorbate and 0.02 to 0.04 part of sodium pyrosulfite. The spicy walnut kernels prepared by the method are crisp and delicious, the nutrition of the walnut kernels is not lost, and the spicy walnut kernels are spicy, fresh and fragrant and have a long shelf life.

The application discloses a plant genome DNA extraction reagent, which comprises Buffer 1 lysate, Buffer 2 precipitate and Buffer 3 combination liquid; the Buffer 1 lysate comprises sodium chloride, PVP40, sodium metabisulfite and SDS; wherein the concentration of the sodium chloride is 250-1200 mM; the mass percentage of the PVP40 is 0.5%-3%; the concentration of the sodium metabisulfite is 50-150 mM; and the mass percentage of the SDS is 0.7%-2.5%; the Buffer 2 precipitate comprises acetate; wherein the concentration of the acetate is 2.2-4.3 M; and the Buffer 3 combination liquid comprises guanidine hydrochloride; wherein the concentration of the guanidine hydrochloride is 0.5-2.5 M. The extraction reagent does not contain organic solvents such as phenol and chloroform, and can improve the removal rate of polyphenols.

The invention relates to the technical field of medicines, in particular to a preparation process of xantinol nicotinate injection and an impurity control method of the xantinol nicotinate injection. According to the process, water for injection is subjected to nitrogen deoxidation treatment, a whole-process nitrogen-sealed environment is maintained, xantinol nicotinate is gradually added in three times, and a multi-component synergistic stable system including hydroxypropyl-beta-cyclodextrin, N-acetyl-L-cysteine, L-methionine, diethylenetriamine pentaacetic acid, sodium metasulfite, sodium thiosulfate and the like is matched, so that the xantinol nicotinate injection is prepared. Double-molecular-weight dextran is introduced to regulate and control a microenvironment, an acetic acid-sodium acetate buffer system is introduced to optimize pH, and finally, high stability and low impurity generation of the finished injection at high temperature are realized through nitrogen replacement subpackaging and precise sterilization conditions. According to the method, the content and the purity of the xantinol nicotinate injection are remarkably improved, the impurity content during sterilization and storage is remarkably reduced, the safety and the effectiveness of drugs are guaranteed, and the method has important significance on optimization of a heat-sensitive injection process.

The invention includes a phenylephrine product including an aqueous phenylephrine solution, a tonicity adjusting agent, at least one pH adjusting agent, at least one buffering agent and water for injection, wherein the phenylephrine solution is does not comprise sodium metabisulfite, wherein the phenylephrine product is sterile and ready-to-use and contain an oxygen absorber to keep the oxygen dissolved below 1 ppm. The invention includes methods of making and using the phenylephrine product.

An onion product containing sodium metabisulfite, a flavor, a food-grade acid, onions, flavor, onions and an acidified solution comprising water and a food-grade acid, which allows for commercialized sterility of onion food as much as possible. Although may be otherwise prepared, the onion product is produced from a four-step filling process, including adding sodium pyrosulfite, a heat stable flavor, onion, an acidified solution comprising water and a food grade acid to a container, disinfecting, and optionally inverting the container.

The invention provides an anti-impact PS / ABS plate and a preparation method thereof, and the plate comprises the following components in parts by weight: 30-75 parts of polystyrene, 20-70 parts of an acrylonitrile-butadiene-styrene copolymer, 2-8 parts of sodium pyrosulfite-styrene-acrylonitrile copolymer core-shell microspheres, 2-8 parts of montmorillonoid with ethanolamine grafted on the surface, 2-5 parts of butyl stearate, 2-5 parts of 2, 3, 5-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of a plasticizer, and 1-3 parts of an antioxidant. And 1 to 2 parts of 2, 6-butylated hydroxytoluene. According to the invention, sodium pyrosulfite-styrene-acrylonitrile copolymer core-shell microspheres and montmorillonoid grafted with ethanolamine on the surface are added into a mixed system of PS and ABS, so that PS / ABS is endowed with impact resistance.

The invention discloses a production process of an ambroxol oral solution, and belongs to the technical field of chemical medicinal preparations, the production process comprises the following steps: adding an aqueous solution containing ambroxol hydrochloride, clenbuterol hydrochloride, sorbitol, propylene glycol, glycerol, hydroxyethyl cellulose, DL-tartaric acid and sodium benzoate into a reaction kettle, and uniformly stirring to obtain the ambroxol hydrochloride oral solution, the clenbuterol hydrochloride, the sorbitol, the propylene glycol, the glycerol, the hydroxyethyl cellulose, the DL-tartaric acid and the sodium benzoate; the preparation method comprises the following steps: preparing in a production system passivated by hydroxyethyl diamine tetraacetic acid trisodium salt, treating by a two-stage series hollow membrane contactor, and finally filling a glass bottle with a liquid medicine. According to the preparation method disclosed by the invention, on the basis of prescription adjustment without adding antioxidants such as sodium pyrosulfite and the like, the impurities of the medicine in the production and storage processes are obviously reduced, the product stability and the clinical medication safety are improved, and the preparation process is simple and stable to operate and suitable for industrial production.

The invention relates to a high-stability olea europaea compound which comprises an olea europaea leaf extract, sodium pyrosulfite and a lipoic acid clathrate compound, and the mass ratio of the olea europaea leaf extract to the sodium pyrosulfite to the lipoic acid clathrate compound is 1: (0.005-0.08): (1-1.5). According to the invention, the olive leaf extract is cross-linked and distributed in the lipoic acid inclusion compound, and the active substances of the olive leaf extract are subjected to multiple protection through the water-soluble antioxidant sodium pyrosulfite and the water / fat-soluble antioxidant lipoic acid; therefore, the problem that the core active ingredient oleuropein is degraded too fast along with the conditions of storage time, illumination or temperature rise and the like is solved, and the problem that the color of the product is darkened too fast due to the fact that the oleuropein and other polyphenol and flavone substances are oxidized can be effectively relieved.

The application discloses an aggregation-induced emission material with high fluorescence quantum yield and large stokes shift, a preparation method and application thereof, and belongs to the technical field of preparation of the aggregation-induced emission material. The preparation method comprises the following steps: obtaining an intermediate by means of Suzuki-Miyaura coupling reaction of an organic boric acid and bromosalicylaldehyde; and adding the intermediate, sodium metabisulfite and aminophenylthiophenol into an organic solvent, and then performing high-temperature reaction to prepare the aggregation-induced emission material. The aggregation-induced emission material is synthesized by means of a two-step method, can be rapidly and mass-produced, and has the advantages of high fluorescence efficiency, large stokes shift, good stability and the like.

The application discloses a teramycin ketoprofen injection and a preparation method thereof, and belongs to the field of veterinary injections, and is characterized by the following formula components: teramycin, ketoprofen, a catalytic factor, an antioxidant and an injection solvent; the catalytic factor is a polyamide amine dendrimer; and the antioxidant is a mixture of one or more than two of thio-glycerol, sodium metabisulfite or sodium bisulfite. The application has the beneficial effects that the teramycin and the ketoprofen are used in combination, no pH regulator is needed after the polyamide amine dendrimer is added, and an aqueous injection is obtained by the combination of the two, has a rapid effect, is rapidly absorbed after administration, has a short action time, can play a synergistic role in sterilization and inflammation, can not only increase the curative effect of a single drug, but also improve the drug stability and the bioavailability.

This invention relates to the preparation technology of 1-bromoadamantane, and particularly to a method for preparing 1-bromoadamantane. The technical solution is as follows: adamantane and anhydrous ethanol are added to a reaction vessel, the temperature of the reaction vessel is maintained, and bromine is added dropwise, with the bromine content being 1.2 to 1.4 times the mass of adamantane; after the addition is complete, the temperature is maintained; stirring is started, and the temperature is raised and maintained for reaction multiple times; then the temperature is slowly raised to 85-88°C, and ethanol and unreacted bromine are distilled off. The temperature is then lowered to 40°C, and sodium metabisulfite solution is added dropwise to the reaction vessel. The mixture is then filtered, washed with water until neutral, centrifuged, and dried to obtain 1-bromoadamantane. The beneficial effects of this invention are: the amount of bromine added is small, saving production costs and reducing environmental pollution; the use of ethanol as the reaction solvent and the reflux reaction increase the dispersibility of the reaction between bromine and adamantane, ensuring a complete reaction and reducing the volatility of bromine; the yield of 1-bromoadamantane is 98.1%, and the purity is 99.2%.

This invention relates to the field of exhaust gas purification technology, specifically to an exhaust gas purification device for sodium metabisulfite production, comprising: a spray purification mechanism, wherein an exhaust gas emission mechanism is provided within the spray purification mechanism; the spray purification mechanism includes a sealed tank, a packing assembly frame is fixed in the middle of the inner cavity of the sealed tank, a pumping mechanism is fixed on the outer surface of the sealed tank, and a sealing plate fixed to the sealed tank is provided above the packing assembly frame. This invention uses a differential pressure velocimeter to monitor the exhaust gas flow rate in real time, and achieves adaptive adjustment in conjunction with the sealing airbag two of the exhaust frame assembly. The exhaust gas pressure drives the sealing airbag two to move, thereby controlling the number and range of opening air outlets, ensuring that the exhaust gas enters the purification reaction zone uniformly and stably, effectively improving the stability of exhaust gas introduction. The sealing airbag one can flexibly adjust the number of spray heads working according to the exhaust gas volume, reducing purification liquid waste while ensuring purification effect.

The invention discloses a composition for inhibiting color change of a whitening agent based on troxerutin. The composition is prepared from the following core active components in parts by mass: 0.1 to 0.5 part of syringyl malonic acid diethyl hexyl ester, 0.01 to 0.05 part of pentaerythritol tetra (bis-tert-butyl hydroxy hydrocinnamic acid) ester, 0.5 to 2 parts of troxerutin liposome and 0.05 to 0.5 part of toxostat; the composition does not contain any one or more of sodium pyrosulfite, sodium sulfite and sodium hydrogen sulfite; sulfate components are not used in the whole process, all the components are cosmetic-grade safe raw materials, skin irritation tests prove that the composition has no obvious irritation to people with sensitive skin and is wide in applicable people coverage, and the pain point that a traditional inhibitor is not friendly to sensitive skin is solved.

According to the method, sodium sulfite and sodium pyrosulfite products are directly prepared by adding quicklime into sodium sulfate and mixed salt or mirabilite and introducing SO2 for double decomposition reaction, so that the technical problems of high alkali consumption and high energy consumption in the prior art are solved. At present, only a liquid sodium hydrogen sulfite product containing more impurities can be produced in the prior art, but the water content of the liquid sodium hydrogen sulfite is up to 60-65%, the liquid sodium hydrogen sulfite is inconvenient to store and transport, the use amount of the liquid sodium hydrogen sulfite is small, and the market application is less; however, direct preparation of high-purity anhydrous sodium sulfite or sodium pyrosulfite products by using liquid sodium hydrogen sulfite has the cost problems of high alkali consumption and high energy consumption, so that the preparation cost of sodium sulfite and sodium pyrosulfite is difficult to be high. If the use amount of alkali neutralization is reduced, the barrier that impurity ions such as calcium, magnesium and iron in the sodium sulfite and sodium metabisulfite products do not exceed the standard is difficult to overcome; sodium hydrogen sulfite is neutralized until the pH value is greater than or equal to 11.0, more than 99.0% of foreign ions can be removed, but alkali for neutralization accounts for 70.0-75.0% of the production cost of anhydrous sodium sulfite; therefore, the invention provides a process technical scheme for preparing sodium sulfite and sodium pyrosulfite with low cost and low energy consumption.

The present application relates to the technical field of medicine, in particular to a coating composition, a coated pharmaceutical preparation prepared by the coating composition and a preparation method thereof.The coating composition comprises an inner coating composition and an outer coating composition; the inner coating composition is composed of low-viscosity hypromellose, sodium metabisulfite and the like, and the outer coating composition is composed of high-viscosity hypromellose, nano-zinc oxide, nano-titanium dioxide and the like.The coating composition of the present application realizes comprehensive protection of moisture, light and oxygen through the difference in viscosity and the redox potential gradient of spatial distribution, and the synergistic effect of the inner and outer layers significantly improves the stability of the pharmaceutical preparation.The coated pharmaceutical preparation prepared by the present application has excellent storage stability and is suitable for the development and application of light-sensitive drugs.

The present application belongs to the field of separation membrane, and particularly relates to a preparation method of a seawater desalination membrane, comprising the following steps: a) providing a base membrane; b) coating an ionic liquid containing a polyamine monomer on the front surface of the base membrane, and then drying to surface dryness of the base membrane; c) coating an ionic liquid containing a polyacyl chloride monomer on the surface-dried base membrane, and then performing a drying treatment to obtain a nascent polyamide separation membrane; d) sequentially immersing the nascent polyamide separation membrane in treatment liquids containing m-phenylenediamine and sodium metabisulfite at high temperature; e) sequentially performing water washing and glycerol aqueous solution immersion on the separation membrane treated in step d), and then coating a polyvinyl alcohol solution on the front surface of the separation membrane, and drying to obtain a seawater desalination membrane. The seawater desalination membrane prepared by the method has good initial performance and stability.

A method and apparatus for producing water for pure water, the method and apparatus capable of efficiently adding agents to water to be supplied to a reverse osmosis membrane. The method for producing water for pure water includes: obtaining first treated water by adding a polyaluminum chloride to raw water containing free chlorine; obtaining second treated water by adding a reducing agent containing sodium disulfite as an active ingredient to the first treated water; and treating the second treated water with a reverse osmosis membrane.

The invention discloses a sodium pyrosulfite microbial limit detection method, and relates to the technical field of microbial detection. Aiming at the characteristics of strong reducibility and acidity of sodium metabisulfite, the method realizes accurate detection through pH regulation to neutralize acidity and sodium sulfite oxidase to eliminate the reducibility, and then through microorganism enrichment, membrane filtration and selective culture medium culture. The method solves the problems of microorganism survival inhibition and inaccurate detection result in the traditional method, has the advantages of high detection precision, good repeatability and simplicity and convenience in operation, and is suitable for microbial limit detection of the sodium pyrosulfite raw material as well as food additives, medicine auxiliary materials and the like containing the sodium pyrosulfite raw material.

This invention provides a production apparatus for coarse-crystalline sodium metabisulfite, comprising a primary reactor, a secondary reactor, a tertiary reactor, and a sodium carbonate liquid tank connected in series. The primary reactor has a sulfur dioxide inlet on its side wall. A flow pump is installed on the connecting pipe between the secondary reactor and the primary reactor. A gas flow meter is installed at the sulfur dioxide inlet. A pH probe is installed inside the primary reactor. A crystallizer is connected to the bottom of the primary reactor via a conveying pipe equipped with a conveying pump. The crystallizer is installed higher than the primary reactor. An overflow pipe connected to the primary reactor is located at the top of the crystallizer, and a discharge pipe with a discharge valve is connected to the bottom of the crystallizer. The coarse-crystalline sodium metabisulfite production apparatus provided by this invention can increase the particle size of sodium metabisulfite, improve the main content of the product, enhance product quality, and extend the product's agglomeration cycle.

The invention belongs to the technical field of tail gas treatment, and particularly relates to a tail gas treatment tower for producing sodium pyrosulfite, which comprises a tower body, a pretreatment assembly is arranged at the bottom in the tower body, the pretreatment assembly comprises a gas collecting hood, the gas collecting hood is inversely buckled in a bottom liquid collecting tank, and liquid in the gas collecting hood is a first pretreatment area; liquid outside the gas collecting hood is a second pretreatment area, a space is reserved between the interior of the gas collecting hood and the liquid level of the liquid collecting pool to form a gas chamber, a rotating shaft is rotationally installed on the gas collecting hood, one end of the rotating shaft is connected with a transmission assembly, the other end of the rotating shaft penetrates into the gas collecting hood to be connected with a plurality of stirring barrels, and a gas pumping assembly is arranged on the upper portion in each stirring barrel; a pretreatment assembly is arranged, a gas collecting hood is inversely buckled in a bottom liquid collecting pool, a first pretreatment area and a second pretreatment area are divided, and a finer and more efficient initial contact environment is constructed. By adopting the structure, the gas can be graded and fully contacted with the absorption liquid at the initial stage of entering the tower body.

The utility model is applicable to the technical field of reaction kettles, and provides a continuous feeding mechanism of a sodium pyrosulfite reaction kettle, which comprises a reaction kettle body, a lifting mechanism and a feeding mechanism, a feeding hole is formed in the top wall of the reaction kettle body, an annular enclosure is fixedly mounted on the top wall of the reaction kettle body, and the annular enclosure surrounds the outer side of the feeding hole in a surrounding manner; the lifting mechanism is arranged on one side of the reaction kettle body, the top end of the lifting mechanism is communicated to the inner side of the annular fence, and the lifting mechanism is used for lifting and conveying materials into the annular fence and feeding the materials into the reaction kettle body along the feeding port. The spiral conveying rod lifts materials input by the feeding box in sequence and then discharges the materials into the annular fence along the discharging pipe, in this way, the materials are located in the lifting base all the time in the lifting process, and the problem that the materials fall down when the spiral conveying rod conveys the materials is solved.

The invention relates to the technical field of metallographic structure detection, in particular to an etching agent for displaying a metallographic structure of martensite heat-resistant steel and a display method, and the etching agent comprises the following components in percentage by weight: 6-12% of sodium metabisulfite, 4-8% of citric acid and 80-90% of water. By adopting the etching agent disclosed by the invention, the metallographic structure morphology of the martensite heat-resistant steel can be truly and clearly displayed without illusion, and the structure inspection can be conveniently and accurately carried out.

The present invention discloses Process for the preparation of corrugated cardboard glue from avocado seed starch. The process involves the starch extraction from avocado pits [በ ዉ solution of sodium metabisulfite (Na:S:0s) to subdue polyphenol oxidation during the extraction process. Afterwards, 2 L of water were added to the slurry, which was then socked for 24 hours. The residue or the brown milk was placed [በ 8 vacuum oven and dried at 50 for 24 hours. The cardboard glue, Coragum, was formulated from avocado seed starch, caustic soda, and borax. The obtained Coragum glue showed that the low gelation temperature or characterized by high viscosity with the range of 35 to 40 The final product was formulated by mixing starch powder with 5% NaOH and 3% BORAX for commercialization purposes. The binding performance was examined by sticking the three compartments of the cardboard (flute, test liner, and kraft papers) with burst test of 9 Kg Cm-3 and crust of 27 Lb which are equivalent to TAPPI ISO standand methods. These outsanding results paves a way in producing paper based products and packaging soulutions.

The embodiment of the utility model provides a system for producing sodium pyrosulfite by using coke oven flue gas and coke oven gas, which comprises an absorption tower, a first desorption device, a washing tower, a second desorption device, an oxidation burner and a sulfur dioxide absorption device, the desorption device is used for desorbing saturated activated carbon to form first sulfur dioxide gas; the washing tower is used for absorbing hydrogen sulfide in coke oven flue gas by using turbid liquid prepared from iron oxide powder to form an intermediate liquid; the second desorption device is connected with the washing tower and is used for desorbing the intermediate liquid to form a sulfur-containing substance; the oxidation combustor is used for incinerating the dried sulfur-containing substances to form second sulfur dioxide gas; the sulfur dioxide absorption device is used for producing sodium pyrosulfite. On one hand, sulfur dioxide in the coke oven flue gas can be removed, pollution to the environment is reduced, on the other hand, the coke oven flue gas and coke oven gas can be used for producing sodium pyrosulfite, higher value and wider application are achieved, and the utilization rate of vulcanization resources can be increased.

The invention relates to the technical field of heat energy recovery, in particular to a heat energy recycling method and system for preparing sodium pyrosulfite, and the method comprises the following steps: analyzing multi-point heat flow density data of a pipeline, judging section heat flow distribution balance, adjusting a guide vane and an expanding section, collecting multi-height temperature of an absorption tower, and adjusting gas-liquid parameters. And the heat exchanger partition temperature difference is calculated, draught fans and branch drainage are adjusted in a linkage mode according to the main flow speed change, and gas-heat dynamic joint control indexes are obtained. According to the method, flue gas heat flow data are collected at multiple spatial positions, differential distribution characteristics are formed, the airflow trend is optimized by combining cooperative control of a flow direction adjusting structure, the gas-liquid contact proportion and the heat exchange condition are corrected in a segmented temperature comparison mode, and flow distribution and temperature balance are further guided through heat exchange partition temperature difference analysis; the tail end combines flow velocity deviation detection and gas-heat linkage control, so that the balance of the heat transfer process is remarkably improved, and the stability and consistency of waste heat utilization are improved.