CN113600115A - Cyanuric acid production device and production method - Google Patents
Cyanuric acid production device and production method Download PDFInfo
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- CN113600115A CN113600115A CN202110933486.4A CN202110933486A CN113600115A CN 113600115 A CN113600115 A CN 113600115A CN 202110933486 A CN202110933486 A CN 202110933486A CN 113600115 A CN113600115 A CN 113600115A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/30—Only oxygen atoms
- C07D251/32—Cyanuric acid; Isocyanuric acid
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Abstract
The invention relates to the technical field of chemical industry, in particular to a cyanuric acid production device and a production method. The inner tube is arranged in the barrel body, a joint is fixed at the lower end of the inner tube, an air inlet pipe is fixed on the joint, the air inlet pipe is communicated with the inner tube, a core tube concentric with the inner tube is arranged in the inner tube, a plurality of communicating tubes are fixed at the upper end of the core tube, the communicating tubes are communicated with the upper portion of the inner tube and the space between the inner tube and the barrel body, a liquid outlet pipe communicated with the inner tube is fixedly sealed at the lower end of the core tube, a liquid distribution ring is fixed between the lower portion of the inner tube and the lower portion of the barrel body, the liquid inlet pipe is communicated with the liquid distribution ring, and a quantitative pump is installed on the liquid inlet pipe. The invention has the advantages of good working environment, low labor intensity, high automation degree, less labor, reduced carbon emission, reduced environmental pollution, improved heat utilization rate, reduced energy consumption, reduced raw material consumption, improved product quality, small occupied space of equipment, high reaction speed and low input cost.
Description
Technical Field
The invention relates to the technical field of chemical industry, in particular to a cyanuric acid production device and a production method.
Background
Cyanuric acid is also known as cyanuric acid and has the chemical formula C3H3N3O 3. Cyanuric acid can be used for synthesizing chloro derivatives, salts and lipids; trichloroisocyanuric acid; sodium or potassium dichloroisocyanurate; can be used for synthesizing cyanuric acid-formaldehyde resin, epoxy resin, antioxidant, coating, paint, adhesive, pesticide herbicide, metal cyaniding corrosion inhibitor, polymer material modifier, etc.; can be used for producing medicine halogen trihydroxylazine; synthesizing a novel bleaching agent; can be used as a chlorine stabilizer for swimming pools, and can be used for sterilization and decontamination; it can also be directly used for nylon, mosaic, flame retardant, cosmetic additive, laminated plastics, high-temperature glass fiber reinforced plastics and other production raw materials.
At present, cyanuric acid is synthesized by a process route of thermal deamination by using urea as a raw material. A process for synthesizing cyanuric acid by thermal urea polymerization features that urea is heated at 200-300 deg.C under ordinary or slightly negative pressure to deaminize and cyclize to generate cyanuric acid, whose by-products are mainly cyanuric amide (monoamide, diamide, melamine). The process for synthesizing cyanuric acid by thermal deamination and cyclization of urea is divided into two processes of solvent method and solid phase method because of the difference of thermal decomposition method. At present, a pyrolysis heat source providing method of cyanuric acid mainly comprises the steps of preparing hot air of 650-850 ℃ by burning coal gas generated by a coal gas generator, wherein the hot air has low heat utilization rate, large coal burning quantity, high subsequent treatment cost of pollutants, no conformity with national environmental protection policies, no contribution to the healthy development of enterprises, large power consumption and large safety risk.
Disclosure of Invention
The invention aims to solve the technical problems of convenient use, simple structure, small occupied space of equipment, high reaction speed, low investment cost and low energy consumption, conforms to the national environmental protection policy, is beneficial to the health development of enterprises and has small safety risk.
In order to achieve the purpose, the invention provides the technical scheme that:
a cyanuric acid production device comprises a barrel, wherein an inner barrel concentric with the barrel is arranged in the barrel, the upper end of the inner barrel is fixedly and hermetically connected with the upper end of the barrel, the diameter of the upper part of the inner barrel is larger than that of the lower part of the inner barrel, the lower part of the inner barrel penetrates through a bottom plate of the barrel and extends to the outside of the barrel, the lower part of the inner barrel is fixedly and hermetically connected with the bottom plate of the barrel, the lower end of the inner barrel is fixedly and hermetically connected with a joint, an air inlet pipe is fixed on the joint and communicated with the inner barrel, a core pipe concentric with the inner barrel is arranged in the inner barrel, the upper end of the core pipe is fixedly and hermetically connected with a top plate of the barrel, a plurality of communicating pipes are fixed on the upper end of the core pipe and communicated with the core pipe, the communicating pipes penetrate through the upper part of the inner barrel and are fixedly and hermetically connected with the upper part of the inner barrel, a liquid outlet pipe penetrates through the side wall of the lower part of the inner barrel and is fixedly and hermetically connected with the side wall of the inner barrel, a liquid distribution ring is fixed between the lower part of the inner cylinder and the lower part of the cylinder body, a liquid inlet pipe is communicated with the liquid distribution ring, a fixed displacement pump is installed on the liquid inlet pipe, a plurality of limiting components are arranged between the upper part of the inner cylinder and the cylinder body, each limiting component comprises two porous rings, the outer edges of the porous rings are fixedly connected with the cylinder body, the inner edges of the porous rings are fixedly connected with the upper part of the inner cylinder, a plurality of steel balls are placed between the two porous rings and are allowed to rotate in front of the two porous rings, a plurality of second fin rings are arranged in the upper part of the inner cylinder, the outer edges of the second fin rings are fixedly connected with the inner edge of the upper part of the inner cylinder, gaps allowing steam to flow are arranged between the inner edges of the second fin rings and the outer edge of the core pipe, a first fin ring is arranged between every two adjacent second fin rings, the inner edge of the first fin ring is fixedly connected with the core pipe, gaps allowing steam to flow are arranged between the outer edge of the first fin ring and the inner edge of the upper part of the inner cylinder body, and an air outlet pipe is fixedly sealed and connected with the upper end of the cylinder body, the air outlet pipe is communicated with the space between the core pipe and the inner barrel, the barrel is rotatably provided with a rotary drum, the inner edge of the rotary drum is fixedly provided with an arc magnet corresponding to the limiting assembly, and two sides of the lower end of the barrel are fixedly provided with driving devices for driving the rotary drum to rotate.
Specifically, a plurality of spacing subassemblies set up according to the axle center direction equipartition of barrel.
Specifically, the plurality of communicating pipes are uniformly distributed according to the circumference of the axis of the core pipe.
Specifically, all set up on the roof of rotary drum and the bottom plate with the concentric through-hole of rotary drum, the barrel runs through the through-hole, the upper and lower both sides of rotary drum roof all are provided with solid fixed ring, the upper and lower both sides of rotary drum bottom plate all are provided with solid fixed ring, gu fixed ring and barrel fixed connection, the solid fixed ring of barrel roof and its upper and lower both sides passes through end face bearing and is connected, the solid fixed ring of barrel bottom plate and its upper and lower both sides passes through end face bearing and is connected, install a plurality of universal balls on the through-hole inner edge, all be fixed with annular guide rail on the barrel in the through-hole, universal ball and annular guide rail rolling contact.
Specifically, the universal balls are uniformly distributed according to the circumference of the axis of the rotary drum.
Specifically, the driving device comprises a supporting plate fixed at the lower end of the barrel, a motor is fixed on the supporting plate, a rotating wheel is fixed on an output shaft of the motor, and the outer edge of the rotating wheel is in rolling contact with the outer edge of the rotating drum.
Specifically, the lower end of the core tube is conical.
Specifically, the liquid distribution ring comprises a hollow ring piece, and a plurality of outlet holes are uniformly distributed in the circumference of the upper end of the ring piece.
Compared with the prior art, the invention has the beneficial effects that:
the invention has the advantages of simple operation, high safety, good working environment, low labor intensity, high automation degree, less labor, reduced carbon emission, reduced environmental pollution, improved heat utilization rate, reduced energy consumption, reduced raw material consumption, improved product quality, small occupied space of equipment, high reaction speed, high input cost, accordance with national environmental protection policy and benefit for the healthy development of enterprises.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Detailed Description
As shown in fig. 1-2, a cyanuric acid production device comprises a cylinder body 1, an inner cylinder 2 concentric with the cylinder body 1 is arranged in the cylinder body 1, the upper end of the inner cylinder 2 is fixedly and hermetically connected with the upper end of the cylinder body 1, the diameter of the upper part of the inner cylinder 2 is larger than that of the lower part of the inner cylinder 2, the lower part of the inner cylinder 2 penetrates through the bottom plate of the cylinder body 1 and extends to the outside of the cylinder body 1, the lower part of the inner cylinder 2 is fixedly and hermetically connected with the bottom plate of the cylinder body 1, a joint 24 is fixed on the joint 24, an air inlet pipe 25 is fixed on the joint 24 and is communicated with the inner cylinder 2, a core pipe 3 concentric with the inner cylinder 2 is arranged in the inner part of the inner cylinder 2, the lower end of the core pipe 3 is conical, the lower end of the core pipe 3 can guide high-temperature steam, so that the high-temperature steam can be uniformly filled between the core pipe 3 and the inner cylinder 2, the upper end of the core pipe 3 is fixedly and hermetically connected with the top plate of the cylinder body 1, a plurality of communicating pipes 6 are fixed on the upper end of the core pipe 3, the communicating pipes 6 are uniformly distributed according to the axis circumference of the core pipe 3, the communicating pipe 6 is communicated with the core pipe 3, the communicating pipe 6 penetrates through the upper part of the inner barrel 2, the communicating pipe 6 is fixedly and hermetically connected with the upper part of the inner barrel 2, the communicating pipe 6 is communicated with the space between the upper part of the inner barrel 2 and the barrel body 1, the lower end of the core pipe 3 is fixedly and hermetically provided with a liquid outlet pipe 5 communicated with the lower part of the core pipe, the liquid outlet pipe 5 penetrates through the lower side wall of the inner barrel 2, the liquid outlet pipe 5 is fixedly and hermetically connected with the lower side wall of the inner barrel 2, a liquid distribution ring is fixedly arranged between the lower part of the inner barrel 2 and the lower part of the barrel body 1 and comprises a hollow ring piece 9, a plurality of outlet holes 26 are uniformly distributed on the circumference of the upper end of the ring piece 9, the liquid inlet pipe 10 is communicated with the liquid distribution ring, a dosing pump 11 is arranged on the liquid inlet pipe 10, a plurality of limiting components are uniformly distributed and arranged between the upper part of the inner barrel 2 and the barrel body 1 and comprise two porous rings 7, the outer edge of the porous ring 7 is fixedly connected with the cylinder body 1, the inner edge of the porous ring 7 is fixedly connected with the upper part of the inner cylinder 2, a plurality of steel balls 8 are placed between the two porous rings 7, the steel balls 8 are allowed to rotate in front of the two porous rings 7, a plurality of second fin rings 23 are arranged in the upper part of the inner cylinder 2, the outer edges of the second fin rings 23 are fixedly connected with the inner edge of the upper part of the inner cylinder 2, gaps allowing steam to circulate are arranged between the inner edges of the second fin rings 23 and the outer edge of the core pipe 3, a first fin ring 22 is arranged between every two adjacent second fin rings 23, the inner edge of the first fin ring 22 is fixedly connected with the core pipe 3, gaps allowing steam to circulate are arranged between the outer edge of the first fin ring 22 and the inner edge of the upper part of the inner cylinder 2, an air outlet pipe 16 is fixedly and hermetically connected with the upper end of the cylinder body 1, the air outlet pipe 16 is communicated with the space between the core pipe 3 and the inner cylinder 2, a rotary drum 15 is rotatably arranged on the cylinder body 1, and an arc-shaped magnet 17 corresponding to the limiting component is fixed on the inner edge of the rotary drum 15, and both sides of the lower end of the barrel 1 are fixed with driving devices for driving the rotary drum 15 to rotate.
Through holes 4 concentric with the rotary drum 15 are formed in the top plate and the bottom plate of the rotary drum 15, the drum body 1 penetrates through the through holes 4, fixing rings 18 are arranged on the upper side and the lower side of the top plate of the rotary drum 15, fixing rings 18 are arranged on the upper side and the lower side of the bottom plate of the rotary drum 15, the fixing rings 18 are fixedly connected with the drum body 1, the top plate of the drum body 1 is connected with the fixing rings 18 on the upper side and the lower side of the top plate of the drum body 1 through end face bearings 19, a plurality of universal balls 20 are mounted on the inner edge of the through holes 4, the universal balls 20 are uniformly distributed and arranged according to the axis circumference of the rotary drum 15, annular guide rails 21 are fixed on the drum body 1 in the through holes 4, and the universal balls 20 are in rolling contact with the annular guide rails 21.
The driving device comprises a supporting plate 12 fixed at the lower end of the barrel 1, a motor 13 is fixed on the supporting plate 12, a rotating wheel 14 is fixed on an output shaft of the motor 13, and the outer edge of the rotating wheel 14 is in rolling contact with the outer edge of a rotating drum 15.
During production, high-temperature steam enters between the core tube 3 and the inner tube 2 through the air inlet tube 25 and the joint 24, the high-temperature steam is baffled between the second fin ring 23 and the first fin ring 22 and then is discharged through the air outlet tube 16, and the high-temperature steam is baffled between the core tube 3 and the inner tube 2 under the interception action of the first fin ring 22 and the second fin ring 23, so that the retention time of the high-temperature steam between the core tube 3 and the inner tube 2 can be prolonged, the heat transfer quality can be improved, meanwhile, the contact area between the high-temperature steam and the inner tube 2 and the core tube 3 can be increased through the first fin ring 22 and the second fin ring 23, the heat transfer efficiency can be improved, the high-temperature steam firstly enters between the core tube 3 and the inner tube 2, and then the device is preheated; then the quantitative pump 11 and the motor 13 are started, the liquid urea enters the liquid distribution ring through the liquid inlet pipe 10, the liquid urea entering the liquid distribution ring is discharged through the outlet hole 26 and ascends in the annular cavity between the inner cylinder 2 and the cylinder 1, the liquid urea can generate heat transfer with high-temperature steam, the liquid urea generates crude cyanuric acid after polyreaction, the liquid urea ascends in the annular cavity between the inner cylinder 2 and the cylinder 1 and generates polyreaction, the motor 13 drives the rotary drum 15 to rotate through the rotary wheel 14, the rotary drum 15 drives the arc magnet 17 in the rotary drum 15 to rotate in the rotating process, the arc magnet 17 can drive the steel ball 8 to rotate in the limiting component in the rotating process, the rotating steel ball can stir the liquid urea ascending in the annular cavity between the inner cylinder 2 and the cylinder 1 and generates polyreaction, the reaction rate of the liquid urea is accelerated, the method comprises the steps of enabling a mixed solution of crude cyanuric acid and liquid urea to ascend to the upper end of a cylinder body 1 in an annular cavity between an inner cylinder 2 and the cylinder body 1, enabling the mixed solution of the crude cyanuric acid and the liquid urea to enter a core pipe 3 through a communicating pipe 6, enabling the liquid urea to react completely, discharging the prepared crude cyanuric acid through a liquid outlet pipe 5, adding water into the discharged crude cyanuric acid to prepare slurry with the water content of 65%, adding concentrated sulfuric acid, controlling the mass concentration of sulfuric acid to be 28-30%, reacting at the reaction temperature of 110-120 ℃, cooling, centrifuging, washing and drying after reacting for 8-12 hours, and obtaining cyanuric acid with the purity of 98.5-99%.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A cyanuric acid production device comprises a barrel body, and is characterized in that an inner barrel concentric with the barrel body is arranged in the barrel body, the upper end of the inner barrel is fixedly and hermetically connected with the upper end of the barrel body, the diameter of the upper part of the inner barrel is larger than that of the lower part of the inner barrel, the lower part of the inner barrel extends to the outside of the barrel body after penetrating through a bottom plate of the barrel body, the lower part of the inner barrel is fixedly and hermetically connected with the bottom plate of the barrel body, a joint is fixed at the lower end of the inner barrel, an air inlet pipe is fixed on the joint and communicated with the inner barrel, a core pipe concentric with the inner barrel is arranged in the inner barrel, the upper end of the core pipe is fixedly and hermetically connected with a top plate of the barrel body, a plurality of communicating pipes are fixed at the upper end of the core pipe and communicated with the core pipe, the communicating pipes penetrate through the upper part of the inner barrel and fixedly and hermetically connected with the upper part of the inner barrel body, a liquid outlet pipe communicated with the lower part of the inner barrel is fixedly and hermetically sealed at the lower part of the core pipe, the liquid outlet pipe is fixedly and hermetically connected with the side wall of the lower part of the inner cylinder, a liquid distribution ring is fixed between the lower part of the inner cylinder and the lower part of the cylinder body, the liquid inlet pipe is communicated with the liquid distribution ring, a dosing pump is installed on the liquid inlet pipe, a plurality of limiting components are arranged between the upper part of the inner cylinder and the cylinder body, each limiting component comprises two porous rings, the outer edges of the porous rings are fixedly connected with the cylinder body, the inner edges of the porous rings are fixedly connected with the upper part of the inner cylinder, a plurality of steel balls are placed between the two porous rings and are allowed to rotate in front of the two porous rings, a plurality of second fin rings are arranged in the upper part of the inner cylinder, the outer edges of the second fin rings are fixedly connected with the inner edge of the upper part of the inner cylinder, gaps allowing steam to circulate are arranged between the inner edges of the second fin rings and the outer edge of the core pipe, a first fin ring is arranged between the inner edge of the first fin ring and the inner edge of the upper part of the inner cylinder, the upper end of the cylinder body is fixedly and hermetically connected with an air outlet pipe, the air outlet pipe is communicated with the space between the core pipe and the inner cylinder, the cylinder body is rotatably provided with a rotary drum, the inner edge of the rotary drum is fixedly provided with an arc magnet corresponding to the limiting assembly, and both sides of the lower end of the cylinder body are fixedly provided with driving devices for driving the rotary drum to rotate.
2. The cyanuric acid production device according to claim 1, wherein the plurality of limiting assemblies are arranged uniformly in the axial direction of the cylinder.
3. The apparatus for producing cyanuric acid according to claim 1, wherein the plurality of communicating tubes are arranged in a circumferentially uniform manner in accordance with an axial center of the core tube.
4. The cyanuric acid production device according to claim 1, wherein the top plate and the bottom plate of the rotary drum are provided with through holes concentric with the rotary drum, the drum body penetrates through the through holes, the top plate and the bottom plate of the rotary drum are provided with fixing rings, the fixing rings are fixedly connected with the drum body, the top plate of the drum body is connected with the fixing rings on the top and the bottom plates of the drum body through end bearings, the bottom plate of the drum body is connected with the fixing rings on the top and the bottom plates of the drum body through end bearings, a plurality of universal balls are mounted on the inner edges of the through holes, and the drum body in the through holes is fixed with annular guide rails, and the universal balls are in rolling contact with the annular guide rails.
5. A cyanuric acid production apparatus as claimed in claim 4, wherein the plurality of universal balls are arranged evenly around the axis of the rotating drum.
6. The apparatus for producing cyanuric acid as claimed in claim 1, wherein the driving means comprises a supporting plate fixed to the lower end of the barrel, a motor is fixed to the supporting plate, a rotating wheel is fixed to an output shaft of the motor, and an outer edge of the rotating wheel is in rolling contact with an outer edge of the rotating drum.
7. A cyanuric acid production device according to claim 1, in which the lower end of the core tube is tapered.
8. The cyanuric acid production device according to claim 1, wherein the liquid distribution ring comprises a hollow ring member, and a plurality of outlet holes are uniformly distributed on the circumference of the upper end of the ring member.
9. The production method of cyanuric acid production device as claimed in claim 1, wherein during production, high temperature steam is let into between the core tube and the inner tube through the inlet pipe and the joint, the high temperature steam is discharged through the outlet pipe after being deflected between the second fin ring and the first fin ring, and under the interception action of the first fin ring and the second fin ring, the high temperature steam is deflected between the core tube and the inner tube, so that the residence time of the high temperature steam between the core tube and the inner tube can be increased, the heat transfer efficiency can be improved, meanwhile, the contact area of the high temperature steam with the inner tube and the core tube can be increased by the first fin ring and the second fin ring, the heat transfer efficiency can also be improved, the high temperature steam is let into between the core tube and the inner tube first, and then the device is preheated; then the quantitative pump and the motor are started, the liquid urea enters the liquid distribution ring through the liquid inlet pipe, the liquid urea entering the liquid distribution ring is discharged through the outlet hole and ascends in the annular cavity between the inner cylinder and the cylinder body, the liquid urea can generate heat transfer with high-temperature steam, the urea generates crude cyanuric acid after polymerization reaction, the motor drives the rotary drum to rotate through the rotary wheel in the process that the liquid urea ascends in the annular cavity between the inner cylinder and the cylinder body and generates polymerization reaction, the rotary drum drives the arc-shaped magnet in the rotary drum to rotate in the process that the arc-shaped magnet rotates, the steel ball can be driven to rotate in the limiting component in the process that the arc-shaped magnet rotates, the rotating steel ball can stir the liquid urea which ascends in the annular cavity between the inner cylinder and the cylinder body and generates polymerization reaction, the reaction rate of the liquid urea is accelerated, and the mixed liquid cyanuric acid and the liquid urea ascends to the upper end of the cylinder body in the annular cavity between the inner cylinder body, the method comprises the steps of enabling mixed liquid of crude cyanuric acid and liquid urea to enter a core pipe through a communicating pipe, reheating the crude cyanuric acid and the liquid urea which enter the core pipe to enable the liquid urea to be completely reacted, discharging the prepared crude cyanuric acid through a liquid outlet pipe, adding water into the discharged crude cyanuric acid to prepare slurry with the water content of 65%, adding concentrated sulfuric acid, controlling the mass concentration of sulfuric acid to be 28-30%, reacting at the temperature of 110-120 ℃, cooling, centrifuging, washing and drying after reacting for 8-12 hours to obtain cyanuric acid with the purity of 98.5-99%.
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| CN202110933486.4A CN113600115A (en) | 2021-08-14 | 2021-08-14 | Cyanuric acid production device and production method |
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| CN202110933486.4A CN113600115A (en) | 2021-08-14 | 2021-08-14 | Cyanuric acid production device and production method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015177933A1 (en) * | 2014-05-23 | 2015-11-26 | 株式会社島津製作所 | Method for operating magnetic body particles and device for operating magnetic body particles |
| CN105906577A (en) * | 2016-04-26 | 2016-08-31 | 王建伍 | Production process of pyrolysis cyanuric acid |
| CN106008383A (en) * | 2016-07-19 | 2016-10-12 | 河北冀衡集团有限公司 | System and method for preparing crude cyanuric acid continuously by using urea |
| CN208742574U (en) * | 2018-05-28 | 2019-04-16 | 陕西煤业化工技术研究院有限责任公司 | A kind of reactor preparing cyanuric acid |
| CN213528645U (en) * | 2020-10-19 | 2021-06-25 | 武汉科润表面新材料有限公司 | Stirring anti-pollution device of reaction kettle of chromium-free passivator |
-
2021
- 2021-08-14 CN CN202110933486.4A patent/CN113600115A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015177933A1 (en) * | 2014-05-23 | 2015-11-26 | 株式会社島津製作所 | Method for operating magnetic body particles and device for operating magnetic body particles |
| CN105906577A (en) * | 2016-04-26 | 2016-08-31 | 王建伍 | Production process of pyrolysis cyanuric acid |
| CN106008383A (en) * | 2016-07-19 | 2016-10-12 | 河北冀衡集团有限公司 | System and method for preparing crude cyanuric acid continuously by using urea |
| CN208742574U (en) * | 2018-05-28 | 2019-04-16 | 陕西煤业化工技术研究院有限责任公司 | A kind of reactor preparing cyanuric acid |
| CN213528645U (en) * | 2020-10-19 | 2021-06-25 | 武汉科润表面新材料有限公司 | Stirring anti-pollution device of reaction kettle of chromium-free passivator |
Non-Patent Citations (4)
| Title |
|---|
| 化学工业部科学技术情报研究所编: "《化工产品手册 有机化工原料 下册》", 30 June 1985 * |
| 安秋凤: "《橡胶加工助剂》", 30 September 2004 * |
| 廖传华: "《反应过程与设备》", 31 July 2008 * |
| 闫绍峰: "《过程设备设计》", 31 July 2016 * |
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Application publication date: 20211105 |