368results about How to "Reduction of intermediate links in the reaction" patented technology

A production device of 1,2-benzisothiazolin-3-one mainly comprises a storage tank (F101), a storage tank (F102), a reaction kettle (D101), a bromination kettle (D102), a distillation column (E101), acondenser (C101), a storage tank (F103), a recrystallization kettle (D103), a storage tank (F104), a centrifuge (L101) and a dryer (L102), wherein the storage tank (F101) is used for storing benzene,the storage tank (F102) is used for storing thionyl chloride, the storage tank (F103) is used for recovering benzene and the storage tank (F104) is used for storing water, the bromination kettle (D102) is respectively connected with the reaction kettle (D101) and the distillation tower (E101); the centrifuge (L101) is respectively connected with the recrystallization kettle (D103) and the dryer (L102), and the thickness of the sealing head of the storage tank (F102) is 8-9 mm.

The invention discloses a production device of a RI-01 crude oil demulsifier. The production device mainly comprises an autoclave (D101), a reaction kettle (D102), and a mixing kettle (D103), whereinthe autoclave (D101) is connected with the mixing kettle (D103), the reaction kettle (D102) is connected with the mixing kettle (D103), and the autoclave (D101) has a nominal volume of 700-760 L.

The invention discloses a production device of diisopropyl-S-benzyl sulfide phosphate. The production device mainly comprises a reaction kettle (D101), a condenser (C101), a deacidification kettle (D102), a condenser (C102), an exhaust gas absorption tower (E101), a condenser (C103), a reaction kettle (D103), a condenser (C104), a standing kettle (D104), a filter (M101), a diaphragm evaporator (L101), a condenser (C105) and a receiver (F101), wherein the condenser (C103) is respectively connected with the deacidification kettle (D102) and the reaction kettle (D103), the filter (M101) is respectively connected with the standing kettle (D104) and the diaphragm evaporator (L101), and the reaction kettle (D101) has a jacket capacity of 330-360L.

The invention provides a production apparatus for the anti-oxidant butylated hydroxyanisole. The production apparatus mainly comprises a storage tank 1 (F101), a storage tank 2 (F102), a storage tank3 (F103), a reaction kettle (D101), a condenser (C101), a transfer pump (J101) and a rinsing bath (L101), wherein the storage tank 1 (F101) is connected with the reaction kettle (D101); the storage tank 2 (F102) is connected with the reaction kettle (D101); the storage tank 3 (F103) is connected with the reaction kettle (D101); the condenser (C101) is connected with the reaction kettle (D101); thetransfer pump (J101) is connected with the reaction kettle (D101); and the rinsing bath (L101) is connected with the transfer pump (J101).

The invention provides a method for producing an oil antioxidant namely tert-butyl hydroquinone. The method comprises the following main steps: adding hydroquinone, concentrated sulfuric acid and toluene into a reaction kettle, raising the temperature to 80-84 DEG C, slowly dropwise adding equimolar tert-butyl alcohol and hydroquinone for reaction for 2-3h, separating a hot toluene layer, removingtoluene through steam distillation, thermally filtering water-containing residual substances, carrying out washing with a p-xylene solution for 30-50 min, and carrying out re-crystallization in an N,N-dimethylformamide solution.

The invention discloses a production device of viscose fiber dyeing agent vat brown BR. The production device mainly comprises a mixer (F101), a reaction kettle (D101), a suction filter (L101), a vacuum rake dryer (L102), a drum type reactor (D102), a dilution kettle (D103), a filter press (L103), an oxidation kettle (D104), a suction filter (L104), an acid boiling kettle (D106), a filter press (L105), a sanding kettle (D107), a spray dryer ( L106) and a blender (F101), wherein the suction filter (L101) is respectively connected with the reaction kettle (D101) and the vacuum rake dryer (L102),the filter press (L103) is respectively connected with the dilution kettle (D103) and the oxidation kettle (D104), and the mixer (F101) has a full volume of 4.23-4.31 m3.

The invention provides a production apparatus for the vulcanization accelerator 2-mercaptobenzothiazole. The production apparatus mainly comprises a storage tank 1 (F101), a reaction vessel (D101), astorage tank 2 (F102), a dissolving tank 1 (F104), a reflux condenser (C101), a storage tank 3 (F103) and a dissolving tank 2 (F105), wherein the storage tank 1 (F101) is connected with the reaction vessel (D101); the storage tank 2 (F102) is connected with the reaction vessel (D101); the reflux condenser (C101) is connected with the reaction vessel (D101), the dissolving tank 1 (F104) and the dissolving tank 2 (F105); the storage tank 3 (F103) is connected with the dissolving tank 1 (F104) and the dissolving tank 2 (F105); the reaction vessel (D101) is connected with the dissolving tank 1 (F104); the dissolving tank 1 (F104) is connected with the dissolving tank 2 (F105); and the storage tank 1 (F101) has a nominal volume of 5.2-5.5 m<3>.

Provided is a device for producing ethylene-vinyl acetate copolymer. The device mainly includes: a primary compressor (J101), a secondary compressor (J102), a tubular reactor (D101), a high pressure circulating cooler (C101), a high pressure separator (L101), a low pressure separator (L102), a water cooler (C102) and a cooling device (C103), wherein the tubular reactor (D101) is connected with thesecondary compressor (J102) and the high pressure separator (L101) respectively, the low pressure separator (L102) is connected with the high pressure separator (L101) and the water cooler (C102) respectively, and the tubular reactor (D101) has a nominal volume of 320-350 L.

The invention discloses a production method of a sodium stearoyl lactylate stabilizer. The production method mainly comprises the following steps of adding lactic acid in a reactor, performing decompression to 30-33kPa, performing dehydration reaction for 90-120mins under the condition with the temperature being 90-96 DEG C, then adding stearic acid and calcium carbonate in the reactor, performingthermal insulation at 130-140 DEG C under inert gas nitrogen protection, performing esterification reaction for 2-3h, performing decoloration and cooling on a material, washing the material with a dichloromethane solution for 80-100mins, performing recrystallization in an ethyl acetate solution, and performing dehydration with a dehydrating agent to obtain a finished product.

The invention discloses a production device of Co-Ti barium ferrite magnetic powder. The production device mainly comprises a mixing kettle (D101), a mixing kettle (D102), a filter (L101), a scrubber(L102), a dryer (L103), a ball mill (L104) and a sintering furnace (B101), wherein the filter (L101) is connected with the mixing kettle (D101) and the scrubber (L102) respectively, the mixing kettle(D102) is connected with the dryer (L103) and the sintering furnace (B101) respectively, and the nominal volume of the mixing kettle (D101) is 1300-1500L.

Provided is a device for producing an antioxidant 2,6-di-tert-butyl-4-methylphenol. The device includes: a storage tank (F101), a bromobutene gasification tank (F102), a raw material pump (J101), an alkylation neutralization reactor (D101), transfer pumps (J102-J105), an alkylation water washing kettle (L101), centrifuges (L102, L104), a melting water washing kettle (L103), a recrystallization reactor (D102), a drying oven (L105), an ethanol distillation tower (E101), a condenser (C101) and an ethanol storage tank (F103), wherein the storage tank (F101) is used for storing sulfuric acid, the transfer pump (J103) is connected with the alkylation water washing kettle (L101) and the centrifuge (L102) respectively, the transfer pump (J104) is connected with the recrystallization reactor (D102)and the centrifuge (L104) respectively, and the storage tank (F101) has a full volume of 2.3-2.5 m<3>.

The invention provides a production device for modified polyamide-polyamine. The production device mainly comprises: a storage tank (F101), a condensation kettle (D101), a storage tank (F102), a firstmodifying kettle (D102), a storage tank (F103), a dilution kettle (D103), a storage tank (F104), a secondary modifying kettle (D104), a storage tank (F105), a stabilizing groove (L101) and feed pumps(J101 to J104), wherein the storage tank (F101) is used to store polyethylene polyamine; the storage tank (F102) is used to store adipic acid; the storage tank (F103) is used to store fatty acid; thestorage tank (F104) is used to store deionized water; the storage tank (F105) is used to store epichlorohydrin; a feed pump (J101) is respectively connected with the condensation kettle (D101) and the first modifying kettle (D102); a feed pump (J103) is respectively connected with the dilution kettle (D103) and the secondary modifying kettle (D104); and the storage tank (F102) has a nominal volume of 2.7 to 2.9 m3.

The invention relates to a production device of triphenylmethane triisocyanate. The production device mainly comprises a low-temperature photochemical kettle (D102), a raw material pump (J101), a rawmaterial pump (J102), a high-temperature photochemical kettle (D103), conveying pumps (J103, J104, J106 and J108), a storage tank (F103), condensers (C101 and C102), a gas expelling kettle (D104), vacuum pump (J105 and J107), a filter (L101), a distillation column (E101), a storage tank (F104), a finished product receiving tank (F105), a storage tank (F101), a storage tank (F102) and a suspensionpreparation kettle (D101), wherein the storage tank (F103) is used for storing phosgene, the storage tank (F104) is used for storing nitrogen, the storage tank (F101) is used for storing chlorobenzene, the storage tank (F102) is used for storing parafuchsin, and the diameter of a water inlet of the raw material pump (J102) is 230-250mm.

The invention provides a production device for a heat-resistant resin antistatic agent namely secondary alkyl sodium sulfonate. The production device mainly comprises: a storage tank (F101), a photochemical reactor (D101), a cooler (C101), a gas-liquid separator (L102), separation tanks (L101 and L103 to L105), a reflux pump (J101), a falling-film evaporation tower (E101), a bleaching tank (D102),a neutralizing tank (D103), delivery pumps (J102 to J107), an evaporator (E102) and a stripping tower (E103), wherein the storage tank (F101) is used to store hydrogen peroxide; a delivery pump (J107) is respectively connected with the storage tank (F101) and the bleaching tank (D102); a delivery pump (J102) is respectively connected with a separation tank (L101) and the gas-liquid separator (L102); and the wall thickness of the drum body of the storage tank (F101) is 7 to 9 mm.

The invention discloses production apparatus for an acrylonitrile-styrene random copolymer. The production apparatus mainly comprises a preheater (L101), a filter (M101), a mixer (D101), a polymerization kettle (D102), a condenser (C101), a devolatilization device (L102), a devolatilization device (L103), a recovery tank (F101), and a feed pump (J101), wherein the mixer (D101) is connected to thefilter (M101) and the polymerization kettle (D102), the devolatilization device (L102) is connected to the polymerization kettle (D102) and the devolatilization device (L103), and the mixer (D101) hasa nominal volume of 330-360L.

The invention discloses a production device of an antistatic agent dodecylbenzyltrimethylammonium chloride. The production device mainly comprises a reaction kettle (D101), a reflux condenser (C101),a storage tank 1 (F101) and a storage tank 2 (F102). The storage tank 1 (F101) is connected to the reaction kettle (D101), the storage tank 2 (F102) is connected to the reaction kettle (D101), and thereflux condenser (C101) is connected to the reaction kettle (D101). The inner pot of the reaction kettle (D101) has the diameter of 550 to 600 mm.

The invention discloses a synthetic method for the drug intermediate m-chloroperbenzoic acid. The synthetic method comprises the following steps: adding m-chlorophenylacetamide and a sodium nitrate solution into a reaction vessel, controlling a stirring speed to be 230-260 rpm and a solution temperature to be 10-16 DEG C, adding a methyl n-butyl ether solution and a 1,4-butanediol solution, addingN-bromoacetamide in batches within 20-40 min, and continuing a reaction for 60-90 min; and then adding an aqueous solution and zinc fluoride powder, controlling a stirring speed to be 310-330 rpm, continue the reaction for 3-4 h, carrying out washing with a sodium chloride solution for 30-50 min, then carrying out washing with a 3-heptanol solution for 20-40 min, carrying out recrystallization ina nitroethane solution, and then carrying out dehydration with a dehydrating agent so as to obtain the finished m-chloroperoxybenzoic acid.

The invention discloses a production device of needle-shaped ferroferric oxide magnetic powder. The production device comprises a reaction kettle (D101), a storage tank (F101), a filter (L101), a scrubber (L102) and a pump (J101), wherein the reaction kettle (D101) is connected with the pump (J101) and the filter (L101) respectively, the filter (L101) is connected with the scrubber (L102), and theinner pot diameter of the reaction kettle (D101) is 1000-1100mm.

The invention provides a production apparatus for the sweetener cyclohexylsulfamic acid. The production apparatus mainly comprises a storage tank 1 (F101), a storage tank 2 (F102), a storage tank 3 (F103), a reaction kettle (D101), a condenser (C101), a transfer pump 1 (J101), a transfer pump 2 (J102), a filter press (L101), a crystallization kettle (D102), a centrifuge (L102) and a drier (L103),wherein the storage tank 1 (F101) is connected with the reaction kettle (D101); the storage tank 2 (F102) is connected with the reaction kettle (D101); the storage tank 3 (F103) is connected with thereaction kettle (D101); the condenser (C101) is connected with the reaction kettle (D101); the reaction kettle (D101) is connected with the filter press (L101); the filter press (L101) is connected with the transfer pump 1 (J101); the transfer pump 1 (J101) is connected with the crystallization kettle (D102); the crystallization kettle (D102) is connected with the transfer pump 2 (J102); the transfer pump 2 (J102) is connected with the centrifuge (L102); and the drier (L103) is connected with the centrifuge (L102).

The invention discloses a production device of a high-strength material silicon carbide ceramic. The production device mainly comprises a vacuum pump (J101), a buffer tank (F101) and a combustion furnace (B101). The vacuum pump (J101) is connected to the buffer tank (F101) and the buffer tank (F101) is connected to the combustion furnace (B101). The water inlet of the vacuum pump (J101) has the diameter of 170 to 180 mm.