30results about How to "Increased water carrying capacity" patented technology

The invention relates to foam liquid for drilling, in particular to strong inhibition type anti-collapse foam liquid for drilling, which is characterized by being prepared with the following components in parts by weight: 0.09-0.11 part of foam stabilizer, 0.36-0.44 part of foaming agent, 2.34-2.86 parts of anti-collapse agent, 2.7-3.3 parts of fluid loss additive and 94.51-93.29 parts of water. When complex situations such as formation water occur to gas drilling, the foam liquid of the invention can effectively improve the rock carrying capacity and the water carrying capacity and simultaneously protect the stability of the upper well wall. Laboratory studies shown that the foam liquid has high foaming capacity, the foaming capacity is more than or equal to 500 percent, the half-life is moderate, and the foam liquid can be easily controlled and is conducive to drilling engineering construction.

The invention relates to a process for preparing high-purity diketene, which overcomes the defects of low purity of ketene, low purity and poor safety of diketene products formed by absorbing and polymerizing ketene, as well as complex process, high cost and high acetic acid content of raffinate in the concentration recovery of dilute acetic acid. The process for preparing high-purity diketene is suitable for absorbing and polymerizing ketene dimer at low temperature on the basis of adopting stable acetic acid cracking conditions and deep refrigeration to remove impurities from cracking gas and generate pure ketene gas, adopting a film evaporator to further purify diketene products at low temperature under low pressure, and adding stabilizers after introducing polymerization inhibitor and diketene for refining during the absorption and polymerization of ketene in order to improve synthesis safety and the stability of products in storage tanks. Meanwhile, the dilute acetic acid produced in the process reasonably matches the temperature of each point of a stripping section through a sensitive plate technique, improves the water-carrying capability of butyl acetate, and greatly reduces the concentration of acetic acid in concentrated raffinate.

The invention provides a high-temperature resistant, hypersalinity resistant and gas condensate resistant foam scrubbing agent and a preparation method thereof. The foam scrubbing agent is prepared from the following components in parts by weight: 30 to 50 percent of anionic surfactant, 10 to 2 percent of ampholytic surfactant, 1 to 2 percent of fluorocarbon surfactant, 0.5 to 1.5 percent of foam stabilizer, 0.2 to 0.5 percent of triethanolamine, 0.2 to 0.5 percent of glycol, 3 to 5 percent of sodium salt and the balance of water. The foam scrubbing agent has good water-carrying and foaming effects, can meet the process requirements of gas recovery by water drainage and has high-temperature resistance, hypersalinity resistance and gas condensate resistance.

The invention discloses a composite material for eco-environment construction of plants. The composite material is formed by compounding organic polymers, organic bioactive materials, organic wastes, nutrient elements needed for plant growth, controlled-release and soil-conditioning materials and the like. The composite material can be applied into soil by soil blending or an aqueous solution, has multiple efficacies of supplying nutritions, slowly releasing and balancing nutrition constituents, improving physicochemical properties of soil, holding moisture and resisting draught, restricting salinization or alkalinization, resisting wind erosion and water erosion and the like, achieves dual functions of improving plant growth environments and increasing plant survivability and is particularly suitable for eco-environment construction of plants and husbandry production in western loess semi-aired areas, high-salinization and high-alkalization desertification soil and other loose-structure soil areas in China. The composite material disclosed by the invention has the advantages of optimized functional compounding, no toxicity and harms, low cost, quick effect taking, simpleness and convenience for construction and capabilities of effectively improving desertification soil, providing favorable water and soil conditions for plant growth and improving quality and efficiency of eco-environment engineering construction.

The invention relates to a new energy-saving production process of ethyl acetate. The process comprises the sections of esterification, light removal, refining and recovery, and the membrane separation section is added between the esterification section and the light removal section. The organic phase at the esterification tower top is subject to membrane separation to desorb most moisture, and one part of the treated organic phase returns to an esterification tower to reflow and the other part is sent to a light removal tower to be refined. The membrane separation section comprises a vacuum cover (with a membrane module inside), a condenser, a penetrating fluid tank, a buffer tank and a vacuum pump. The method provided by the invention can greatly reduce water circulating in the esterification and light removal sections, save the heating steam in the esterification tower and the light removal tower, reduce the loads of the esterification tower and the light removal tower and further improve the production capability of the esterification tower and the light removal tower.

The invention relates to a refinement method and device for synthesizing ethyl acetate through esterification. The refinement method comprises the following steps: step 1, acetic acid reacts with ethyl alcohol in an esterification reactor, reaction steam enters an esterification tower to be separated, and tower top steam is fed into a pervaporation separator for separation, so as to obtain dehydrated raw ester and penetrating fluid; step 2, part of dehydrated raw ester flows back to the top of the esterification tower, and the other part of dehydrated raw ester is fed into a dealcoholization tower for separation and dealcoholization, so as to obtain ethyl acetate crude products at the tower bottom; step 3, the ethyl acetate crude products are fed into a refining tower again for separation to remove heavy components, so that ethyl acetate finished products can be obtained at the tower top. During the recovery process, the recovery rate is high, the technological process is simple, the safety coefficient is high, the energy utilization ratio is high, the circulating volume of material liquid is small, the operating energy consumption is low, and the addition of ternary components is avoided.

The invention relates to foam liquid for drilling, in particular to strong inhibition type anti-collapse foam liquid for drilling, which is characterized by being prepared with the following components in parts by weight: 0.09-0.11 part of foam stabilizer, 0.36-0.44 part of foaming agent, 2.34-2.86 parts of anti-collapse agent, 2.7-3.3 parts of fluid loss additive and 94.51-93.29 parts of water. When complex situations such as formation water occur to gas drilling, the foam liquid of the invention can effectively improve the rock carrying capacity and the water carrying capacity and simultaneously protect the stability of the upper well wall. Laboratory studies shown that the foam liquid has high foaming capacity, the foaming capacity is more than or equal to 500 percent, the half-life ismoderate, and the foam liquid can be easily controlled and is conducive to drilling engineering construction.

The invention belongs to the technical field of dry masks, in particular to a preparation method of a whitening and moisturizing dry mask. The preparation method specifically comprises the following steps that 1, bamboo leaf fiber, aloe fiber and China rose fiber are cleaned respectively, mixed and crushed, seabuckthorn flavone and an erythritol water solution are added and stirred, the mixture issubjected to vacuum freeze drying, reinforcing is conducted according to an operation process of a conventional spunlace method to prepare a mask, spraying and drying are carried out, and mask paperis obtained; 2, fresh strawberry leaves and fresh spinach are mixed and pulped, water is added, the mixture is sealed, placed and subjected to CO2 supercritical fluid extraction treatment, an extractis obtained, dandelion polysaccharides and portulaca oleracea polysaccharides are added, and magnetization treatment is carried out to obtain essence; 3, the mask paper is soaked in the essence, subjected to vacuum freeze drying and compressed to obtain the whitening and moisturizing dry mask. The mask has strong anti-oxidation performance and free radical removing, moisturizing and moisture retention capacity, so that skin of a user is smooth, tender, white, ruddy and glossy, the antibacterial property and the antiallergic ability of the skin are enhanced, and the skin health is promoted.

The invention discloses a solvent for electronic cigarette smoke solution, which comprises, by mass, 20-78% of glycerol, 0.1-1.5% of water, 0.1-1.5% of ethanol, and 20-78% of 1, 3-propanediol or mixed solution of 1, 3-propanediol and 1, 2-propanediol. The 1, 3-propanediol which has high thermal stability and high water-carrying capacity in the range of from 80 DEG C to 350 DEG C is added in the electronic cigarette liquid solvent. Atomizing gas with high water vapor content formed by the glycerol can reduce the dryness of a smoker's nose and mouth, and the irritation of the smoker's respiratory system caused by the high water absorption of the glycerol and the atomization of 1, 2-propanediol. Compared with the traditional solvent for electronic cigarette smoke solution, this solvent for electronic cigarette smoke solution applied to the electronic cigarette smoke liquid can give the smoker a better smoking experience. The electronic cigarette smoke solution and the solvent for same also discloses an electronic cigarette smoke solution adopting the solvent for electronic cigarette smoke solution.

The invention discloses a composite foaming agent for cast-in-place foam concrete. The foaming agent is prepared from, by mass, 2.0%-8.0% of fatty alcohol polyoxyethylene lauryl ether sodium sulfate,1.5%-8.0% of alkyl glycoside, 0.5%-3.0% of a foam stabilizer, 0%-1.5% of a tackifier and the balance water, wherein the total mass percentage is 100%, a mass ratio of fatty alcohol polyoxyethylene lauryl ether sodium sulfate to alkyl glycoside is 1:4-4:1, the foam stabilizer refers to modified silicon resin polyether emulsion and / or polyvinylpyrrolidone, and the tackifier refers to hydroxypropyl methyl cellulose and / or polyacrylamide. The foaming agent is fast in foaming, high in foaming quantity, great in foam stability, excellent in performance, great utilization effects can be achieved without adding of other auxiliary agents, and the foaming agent can be diluted by 30-60 times to be used for preparation of cast-in-place foam concrete. Raw materials of the foaming agent are excellent inbiodegradability, safe and environmentally friendly, and the prepared foaming agent is green and environmentally friendly. In addition, a preparation process of the foaming agent is simple, mild in condition and applicable to industrial production.

The invention discloses a method and a device for constricting bedding gas extraction long drilled holes of soft coal seams. The method and the device are applied to drilling the bedding gas extraction long drilled holes of the soft coal seams, and are characterized in that two types of gas-based fluid including compressed air and stable foams are used as drilled hole washing media, are alternately injected into a drilled hole, reach the bottom of the hole, then flow into annular clearance via flow channels in a drill bit, cool the drill bit and carry coal cinder dust which is generated along with drilling actions of the drill bit at the bottom of the hole, then the drilled hole washing media and the coal cinder dust return the outside of the hole, stable foam flow carries the coal cinder dust, and cools and lubricates drilling tools, and compressed air flow washes the bottom of the hole and pushes stable foam slug to flow. The method and the device have the advantages that the cinder discharge capacity is high, a drilling tool cooling effect is good, orifices are free of dust pollution, the rotation pressure of a drilling machine can be obviously reduced while the drilling capacity of the drilling machine is improved, and the drilling machine can normally drill holes in water-containing coal seams; the flow rates of gas and liquid are regulated under the control of special valve blocks by the aid of the method and the device, the device can be operated easily and conveniently, is small in size and is light, the method and the device are applicable to underground drilling construction operation environments of coal mines, and the like.

The invention relates to a bipolar plate for a squamous flow-diversion fuel cell containing capillary groove ridges. A capillary groove is formed in a flow channel ridge of a double-ridge plate, the upper part is of a rectangular groove structure, and the lower part is of a right-angled triangular groove structure; squamous flow-diversion ridges are arranged in the flow channel grooves, and each squamous ridge is of a structure from low to high in the gas flowing direction. Moisture in a diffusion layer of the fuel cell is transmitted through the upper rectangular groove of the capillary groove; and the lower right-angled triangular groove can guide water into a main flow field of the bipolar plate, so that the drainage characteristic of the bipolar plate of the fuel cell is enhanced, thegas transmission characteristic in a membrane electrode diffusion layer of the fuel cell is improved in an auxiliary manner, and the power generation performance and the cold start performance of thefuel cell are improved. Through the squamous flow-diversion ridges, the gas obtains the flow velocity vertical to the membrane electrode, the gas mass transfer performance is enhanced, and the power generation performance of the fuel cell is improved.

The invention discloses a water foaming injection method by using a super absorbent resin as a carrier. The method comprises the following steps: (1) the super absorbent resin is dried; (2) a thermoplastic plastic is selected as a basal body material; and after the thermoplastic plastic is mixed with the super absorbent resin, a little water is added; (3) uniform carrier master batches are prepared through a plastic extruder; (4) the carrier master batches are dried; (5) distilled water is sprayed and added into the carrier master batches to form water-carried master batches; (6) the water-carried master batches are added in a polymer raw material to be processed for uniform mixing to prepare a second mixed material; and (7) the second mixed material is added in a plastic injector to produce a foaming injection product. In the water foaming injection method by using the super absorbent resin as the carrier provided by the invention, water is easy to obtain; the control of water quantity can be conveniently realized through the use of the high absorbent resin; the foaming degree is easy to control; the processing temperature range of applicable materials is wide; and the method has such characteristics as economy, convenience and wide applicability.

The invention relates to a process for preparing high-purity diketene, which overcomes the defects of low purity of ketene, low purity and poor safety of diketene products formed by absorbing and polymerizing ketene, as well as complex process, high cost and high acetic acid content of raffinate in the concentration recovery of dilute acetic acid. The process for preparing high-purity diketene issuitable for absorbing and polymerizing ketene dimer at low temperature on the basis of adopting stable acetic acid cracking conditions and deep refrigeration to remove impurities from cracking gas and generate pure ketene gas, adopting a film evaporator to further purify diketene products at low temperature under low pressure, and adding stabilizers after introducing polymerization inhibitor anddiketene for refining during the absorption and polymerization of ketene in order to improve synthesis safety and the stability of products in storage tanks. Meanwhile, the dilute acetic acid produced in the process reasonably matches the temperature of each point of a stripping section through a sensitive plate technique, improves the water-carrying capability of butyl acetate, and greatly reduces the concentration of acetic acid in concentrated raffinate.

The invention relates to a refinement method and device for synthesizing ethyl acetate through esterification. The refinement method comprises the following steps: step 1, acetic acid reacts with ethyl alcohol in an esterification reactor, reaction steam enters an esterification tower to be separated, and tower top steam is fed into a pervaporation separator for separation, so as to obtain dehydrated raw ester and penetrating fluid; step 2, part of dehydrated raw ester flows back to the top of the esterification tower, and the other part of dehydrated raw ester is fed into a dealcoholization tower for separation and dealcoholization, so as to obtain ethyl acetate crude products at the tower bottom; step 3, the ethyl acetate crude products are fed into a refining tower again for separation to remove heavy components, so that ethyl acetate finished products can be obtained at the tower top. During the recovery process, the recovery rate is high, the technological process is simple, the safety coefficient is high, the energy utilization ratio is high, the circulating volume of material liquid is small, the operating energy consumption is low, and the addition of ternary components is avoided.

The invention discloses an energy-saving production system of ethyl acetate. The energy-saving production system of the ethyl acetate comprises an esterification reactor, an esterification tower, an esterification buffering tank, a molecular sieve tower feeding pump, a first preheater, an evaporator, a superheater, a molecular sieve bed, a second preheater, an esterification return tank, a light component removal tower feeding pump and a light component removal tower. The energy-saving production system is simple in structure, easy to operate, low in production cost, easy to repair and low in energy consumption. The invention also provides an energy-saving production technology of the ethyl acetate, a molecular sieve water removal section is added between an esterification section and a light component removal section, the technological process is simple, the water content of raw ester after water removal is smaller than or equal to 0.05%, gas-phase and liquid-phase loads of the esterification tower and the light component removal tower are reduced, the capacity of the ethyl acetate is improved, and energy consumption is reduced. The energy-saving production system of the ethyl acetate is suitable for industrially producing the ethyl acetate in batches, and is also suitable for producing acetic acid isopropyl esters and the like.

The invention discloses a solvent for electronic cigarette smoke solution, which comprises, by mass, 20-78% of glycerol, 0.1-1.5% of water, 0.1-1.5% of ethanol, and 20-78% of 1, 3-propanediol or mixed solution of 1, 3-propanediol and 1, 2-propanediol. The 1, 3-propanediol which has high thermal stability and high water-carrying capacity in the range of from 80 DEG C to 350 DEG C is added in the electronic cigarette liquid solvent. Atomizing gas with high water vapor content formed by the glycerol can reduce the dryness of a smoker's nose and mouth, and the irritation of the smoker's respiratory system caused by the high water absorption of the glycerol and the atomization of 1, 2-propanediol. Compared with the traditional solvent for electronic cigarette smoke solution, this solvent for electronic cigarette smoke solution applied to the electronic cigarette smoke liquid can give the smoker a better smoking experience. The electronic cigarette smoke solution and the solvent for same also discloses an electronic cigarette smoke solution adopting the solvent for electronic cigarette smoke solution.

The invention provides a high-temperature resistant, hypersalinity resistant and gas condensate resistant foam scrubbing agent and a preparation method thereof. The foam scrubbing agent is prepared from the following components in parts by weight: 30 to 50 percent of anionic surfactant, 10 to 2 percent of ampholytic surfactant, 1 to 2 percent of fluorocarbon surfactant, 0.5 to 1.5 percent of foam stabilizer, 0.2 to 0.5 percent of triethanolamine, 0.2 to 0.5 percent of glycol, 3 to 5 percent of sodium salt and the balance of water. The foam scrubbing agent has good water-carrying and foaming effects, can meet the process requirements of gas recovery by water drainage and has high-temperature resistance, hypersalinity resistance and gas condensate resistance.

The invention discloses an activated carbon for removing hydrogen sulfide and a preparation method thereof, belonging to the technical field of activated carbon. The preparation method selects peat and nut shells as raw materials, mixes them with potassium carbonate solution after pulverization, and performs carbonization after dehydration. The first product is obtained, and the first product is activated after dipping in copper carbonate solution, and then mixed with ammonium chloride and coal tar to prepare activated carbon for removing hydrogen sulfide. The preparation method of activated carbon for removing hydrogen sulfide provided by the present invention does not use strong alkali in the preparation process, the operation is safer, nut shells are used as raw materials, the cost is lower, and the prepared activated carbon itself has a strong water-carrying capacity and is relatively Compared with activated carbon prepared by traditional modification methods, it has stronger adsorption capacity and higher adsorption efficiency for hydrogen sulfide.

The invention discloses a water foaming injection method by using a super absorbent resin as a carrier. The method comprises the following steps: (1) the super absorbent resin is dried; (2) a thermoplastic plastic is selected as a basal body material; and after the thermoplastic plastic is mixed with the super absorbent resin, a little water is added; (3) uniform carrier master batches are prepared through a plastic extruder; (4) the carrier master batches are dried; (5) distilled water is sprayed and added into the carrier master batches to form water-carried master batches; (6) the water-carried master batches are added in a polymer raw material to be processed for uniform mixing to prepare a second mixed material; and (7) the second mixed material is added in a plastic injector to produce a foaming injection product. In the water foaming injection method by using the super absorbent resin as the carrier provided by the invention, water is easy to obtain; the control of water quantity can be conveniently realized through the use of the high absorbent resin; the foaming degree is easy to control; the processing temperature range of applicable materials is wide; and the method has such characteristics as economy, convenience and wide applicability.

The invention discloses a composite foaming agent for cast-in-place foam concrete. The foaming agent is composed of: 2.0% to 8.0% of fatty alcohol polyoxyethylene ether sodium sulfate, 1.5% to 8.0% of alkyl glycoside, stable Foaming agent 0.5%~3.0%, thickening agent 0%~1.5%, water added to 100%, wherein the mass ratio of fatty alcohol polyoxyethylene ether sodium sulfate to alkyl glycoside is 1:4~4:1, to stabilize foam The agent is modified silicone resin polyether emulsion and / or polyvinylpyrrolidone, and the tackifier is hydroxypropyl methylcellulose and / or polyacrylamide. The foaming agent of the invention has fast foaming, large foaming volume, good foam stability and excellent performance without adding other additives to achieve a good use effect, and can be diluted 30-60 times for the preparation of cast-in-place foam concrete. The raw materials used in the foaming agent of the present invention have excellent biodegradability, safety and environmental protection, and the prepared foaming agent product is green and environment-friendly. In addition, the foaming agent of the present invention has a simple preparation process and mild conditions, and is suitable for industrial production.

The invention relates to the technical field of water quality purification, in particular to a waterfall type water quality purification system used at a river and lake entrance. The waterfall type water quality purification system comprises a stepped mounting table, a hydroelectric generation device, a water pumping device, a filtering and separating device, a medicament purifying device and a water plant purifying device, the filtering and separating device, the medicament purifying device and the water plant purifying device are sequentially distributed on the stepped mounting table in a stepped manner, the filtering and separating device is arranged at the top of the stepped mounting table, the input end of the medicament purifying device is arranged below the filtering and separating device, and the input end of the water plant purifying device is arranged below the medicament purifying device; a plurality of hydraulic power generation devices are uniformly distributed on the filtering and separating device, the medicament purifying device and the water plant purifying device; and the water pumping device is fixedly mounted at the input end of the filtering and separating device. According to the invention, the personnel cost is effectively saved, and the water quality evolution and improvement speed is increased.

The invention relates to a bipolar plate for scaly split-flow fuel cells containing capillary groove ridges. The flow channel ridge of the double-ridged plate is provided with capillary grooves, the upper part is in a rectangular groove structure, and the lower part is in a right-angled triangular groove structure; A scaly shunt ridge is arranged in the groove, and each scaly ridge is in a low-to-high structure along the gas flow direction. The moisture in the fuel cell diffusion layer is transported through the upper rectangular groove of the capillary groove, while the lower right-angled triangular groove can introduce moisture into the main flow field of the bipolar plate, thereby enhancing the drainage characteristics of the fuel cell bipolar plate and assisting in improving the fuel cell membrane. Gas transport properties in electrode diffusion layers to improve fuel cell power generation performance and cold start performance. Through the scaly shunt ridge, the gas can obtain the flow velocity perpendicular to the membrane electrode, enhance the gas mass transfer performance, and improve the power generation performance of the fuel cell.

The invention relates to a high-temperature foam scrubbing agent for drainage gas recovery. The agent comprises the following components in parts by weight: 10-15 parts of sodium lauryl sulfate, 2-5 parts of alkyl glucoside, 15-18 parts of AES ( Alcohol Ether Sulphate), 20-25 parts of sodium lauryl sulfonate, 5-10 parts of biosurfactant and 27-48 parts of water. The high-temperature foam scrubbing agent has very high thermal stability and high foamability.

The invention discloses a method and a device for constricting bedding gas extraction long drilled holes of soft coal seams. The method and the device are applied to drilling the bedding gas extraction long drilled holes of the soft coal seams, and are characterized in that two types of gas-based fluid including compressed air and stable foams are used as drilled hole washing media, are alternately injected into a drilled hole, reach the bottom of the hole, then flow into annular clearance via flow channels in a drill bit, cool the drill bit and carry coal cinder dust which is generated along with drilling actions of the drill bit at the bottom of the hole, then the drilled hole washing media and the coal cinder dust return the outside of the hole, stable foam flow carries the coal cinder dust, and cools and lubricates drilling tools, and compressed air flow washes the bottom of the hole and pushes stable foam slug to flow. The method and the device have the advantages that the cinder discharge capacity is high, a drilling tool cooling effect is good, orifices are free of dust pollution, the rotation pressure of a drilling machine can be obviously reduced while the drilling capacity of the drilling machine is improved, and the drilling machine can normally drill holes in water-containing coal seams; the flow rates of gas and liquid are regulated under the control of special valve blocks by the aid of the method and the device, the device can be operated easily and conveniently, is small in size and is light, the method and the device are applicable to underground drilling construction operation environments of coal mines, and the like.

The invention relates to an underground gas production pipe string and a gas production method, comprising a velocity pipe string and a double-channel jet pump connected by a first straight joint, and a power gas inlet and an underground fluid inlet corresponding to the double-channel jet pump. The other end of the channel jet pump is connected with a suction pipe through a second straight connector, and the outer diameters of the velocity column, the double channel jet pump and the suction tube are consistent. The downhole gas production string and gas production method of the present invention can effectively perform drainage and gas recovery for gas wells with low pressure, low production and large water production, especially for multi-layer combined production, lower water flooded wells and horizontal wells. Increasing the degree of production of the production zone has significantly slowed down the rate of gas well production and pressure decline, effectively prolonging the stable production period of the gas well.

The invention discloses an energy-saving production system of ethyl acetate. The energy-saving production system of the ethyl acetate comprises an esterification reactor, an esterification tower, an esterification buffering tank, a molecular sieve tower feeding pump, a first preheater, an evaporator, a superheater, a molecular sieve bed, a second preheater, an esterification return tank, a light component removal tower feeding pump and a light component removal tower. The energy-saving production system is simple in structure, easy to operate, low in production cost, easy to repair and low in energy consumption. The invention also provides an energy-saving production technology of the ethyl acetate, a molecular sieve water removal section is added between an esterification section and a light component removal section, the technological process is simple, the water content of raw ester after water removal is smaller than or equal to 0.05%, gas-phase and liquid-phase loads of the esterification tower and the light component removal tower are reduced, the capacity of the ethyl acetate is improved, and energy consumption is reduced. The energy-saving production system of the ethyl acetate is suitable for industrially producing the ethyl acetate in batches, and is also suitable for producing acetic acid isopropyl esters and the like.

The invention provides an ethoxy (2) bisphenol S diacrylate and a preparation method thereof. The method comprises the following steps: carrying out esterification reaction on dihydroxyethyl bisphenol S and acrylic acid in a nitrogen protective atmosphere by using toluene as a solvent, organic acid as a catalyst and p-hydroxyanisole as a polymerization inhibitor; and after the esterification reaction finishes, removing the toluene by alkali washing, water washing, drying and depressurizing, recrystallizing the product with ethanol to obtain the ethoxy (2) bisphenol S diacrylate. The method is simple in technique, and can be used for preparing the bifunctional high-refractivity monomer ethoxy (2) bisphenol S diacrylate which simultaneously contains sulfur and benzene ring.