CN218834473U - Synthesis system of tebuconazole competitive product - Google Patents

Synthesis system of tebuconazole competitive product Download PDF

Info

Publication number
CN218834473U
CN218834473U CN202223182257.2U CN202223182257U CN218834473U CN 218834473 U CN218834473 U CN 218834473U CN 202223182257 U CN202223182257 U CN 202223182257U CN 218834473 U CN218834473 U CN 218834473U
Authority
CN
China
Prior art keywords
cauldron
raw material
kettle
material tank
washing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202223182257.2U
Other languages
Chinese (zh)
Inventor
葛新芳
杨丰科
程伟
田大帅
李守峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengwu County Chenhui Environmental Protection Technology Co ltd
Original Assignee
Chengwu County Chenhui Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengwu County Chenhui Environmental Protection Technology Co ltd filed Critical Chengwu County Chenhui Environmental Protection Technology Co ltd
Priority to CN202223182257.2U priority Critical patent/CN218834473U/en
Application granted granted Critical
Publication of CN218834473U publication Critical patent/CN218834473U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The utility model discloses a synthesis system of tebuconazole essence, which comprises a first synthesis kettle, a first washing kettle, a desolventizing kettle, a second synthesis kettle, a second washing kettle, a crystallization kettle and a finished product tank which are connected in sequence, wherein the first synthesis kettle is connected with a first raw material tank group, and the second synthesis kettle is connected with a second raw material tank group; be connected with the recovery cauldron between first synthetic cauldron and the first washing cauldron, the recovery cauldron is connected with first synthetic cauldron through first reboiler, and the recovery cauldron passes through the second reboiler and is connected with the synthetic cauldron of second, the recovery cauldron passes through first condenser and is connected with first washing cauldron and second washing cauldron respectively, and the bottom of first washing cauldron and second washing cauldron is passed through the recovery pump and is connected with the recovery cauldron, the recovery cauldron passes through steam conduit with desolventizing the cauldron and is connected, the recovery cauldron still passes through steam conduit with the synthetic cauldron of second and is connected. The utility model discloses waste water recovery after will washing recycles, reduces heat consumption, the energy saving, reduction in production cost.

Description

Synthesis system of tebuconazole competitive product
Technical Field
The utility model relates to a chemical production technical field, concretely relates to tebuconazole fine work's synthesis system.
Background
The 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethylethyl) oxirane is a key intermediate for synthesizing the pesticide tebuconazole, and the tebuconazole is prepared by the ring-opening condensation reaction of the 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethylethyl) oxirane and 1,2,4-1H-triazole.
Tebuconazole is a triazole bactericidal pesticide with high efficiency, broad spectrum and systemic property, has three functions of protection, treatment and eradication, and has wide bactericidal spectrum and long lasting period. The research finds that: tebuconazole, like all triazole fungicides, is able to inhibit the biosynthesis of fungal ergosterol. Tebuconazole is used as a seed treatment agent and foliar spray all over the world, has a wide bactericidal spectrum, and not only has high activity but also has a long lasting period. The product can be used for preventing and treating sclerotinia rot of colza, and has the effects of resisting lodging, increasing yield, inhibiting demethylation of ergosterol on cell membrane, and killing bacteria.
Patent CN110713472A discloses a synthesis method of 2- [2- (4-chlorophenyl) ethyl ] -2- (1,1-dimethylethyl) oxirane, which comprises the steps of reacting raw material A and dimethyl sulfate in the presence of solvent, alkali and catalyst to generate the product 2- [2- (4-chlorophenyl) ethyl ] -2- (1,1-dimethylethyl) oxirane, washing with water, and desolventizing to obtain the 2- [2- (4-chlorophenyl) ethyl ] -2- (1,1-dimethylethyl) oxirane. Patent CN 111253328A discloses a preparation method of tebuconazole, which takes 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethylethyl) oxirane as a starting material, and the starting material and 1,2,4-1H-triazole are subjected to ring-opening condensation reaction to prepare the tebuconazole, wherein the reaction is carried out under the conditions of alkali and a catalyst. The prior tebuconazole production equipment can only prepare crude tebuconazole, and a patent CN 214288238U discloses a production system for preparing crude tebuconazole, which comprises a synthesis device and a dropping device connected with the input end of the synthesis device; however, the preparation processes of the patents CN110713472a and CN 111253328A not only need to be reacted in a reaction kettle, but also need to go through a plurality of washing, desolventizing and crystallizing processes, and the existing tebuconazole crude product production device can not meet the production requirements of tebuconazole fine products.
SUMMERY OF THE UTILITY MODEL
To the above prior art, the present invention aims to provide a synthesis system for tebuconazole competitive products.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a synthesis system of tebuconazole fine work, which comprises a first synthesis kettle, a first washing kettle, a desolventizing kettle, a second synthesis kettle, a second washing kettle, a crystallization kettle and a finished product tank which are connected in sequence, wherein the first synthesis kettle is connected with a first raw material tank group, and the second synthesis kettle is connected with a second raw material tank group; be connected with the recovery cauldron between first synthetic cauldron and the first washing cauldron, the recovery cauldron is connected with first synthetic cauldron through first reboiler, and the recovery cauldron passes through the second reboiler to be connected with the synthetic cauldron of second, the recovery cauldron passes through first condenser to be connected with first washing cauldron and second washing cauldron respectively, and the bottom of first washing cauldron and second washing cauldron is passed through the recovery pump and is connected with the recovery cauldron, the recovery cauldron passes through steam conduit with desolventizing the cauldron and is connected, the recovery cauldron still passes through steam conduit with the synthetic cauldron of second and is connected.
Preferably, the first raw material tank group comprises a first raw material tank, a second raw material tank, a third raw material tank, a fourth raw material tank, a fifth raw material tank and a sixth raw material tank, the first raw material tank is connected with the top of the first synthesis kettle through a flow meter, the second raw material tank is connected with the top of the first synthesis kettle through a flow meter, the third raw material tank is connected with the top of the first synthesis kettle through a flow meter, the fourth raw material tank is connected with the top of the first synthesis kettle through a flow meter, the fifth raw material tank is connected with the top of the first synthesis kettle through a flow meter, and the sixth raw material tank is connected with the top of the first synthesis kettle through a flow meter and a dropping device in sequence.
Preferably, the second raw material tank group comprises a seventh raw material tank, an eighth raw material tank, a ninth raw material tank and a tenth raw material tank, the seventh raw material tank is connected with the top of the second synthesis kettle through a flow meter, the eighth raw material tank is connected with the top of the second synthesis kettle through a flow meter, the ninth raw material tank is connected with the top of the second synthesis kettle through a flow meter, and the tenth raw material tank is connected with the top of the second synthesis kettle through a flow meter.
Preferably, the desolventizing kettle is connected with a second condenser.
The utility model discloses when producing tebuconazole, dimethyl sulfide in the first head tank, toluene in the second head tank, raw materials A in the third head tank, isopropanol in the fourth head tank is added simultaneously in first synthetic cauldron, then drop into first synthetic cauldron through the dropwise add ware from the sixth head tank dimethyl sulfate, potassium hydroxide gets into first synthetic cauldron from the fifth head tank after the dropwise add is accomplished, first reboiler heats synthetic cauldron, each raw materials takes place the reaction and generates 2- [2- (4-chlorophenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide, later 2- [2- (4-chlorophenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide gets into first water washing cauldron from first synthetic cauldron and carries out the water washing, the waste water after the water washing gets into the recovery cauldron from the bottom outflow of first water washing cauldron through the recovery pump, saturated steam provides heat with it for the recovery cauldron, the water steam first part of the water steam after the distillation is got back to the first water washing cauldron through first chlorphenyl) ethylene oxide, the water washing cauldron gets back to the water washing cauldron through second part of water washing cauldron 3763, the water washing cauldron also gets back to the second water washing cauldron through the first chlorphenyl ethyl ether and gets back to the condenser; a part of water vapor enters a first reboiler to provide heat for the first reboiler, and the first reboiler provides heat for the synthesis kettle; a part of water vapor enters a second reboiler to provide heat for the second reboiler, and the second reboiler provides heat for the second synthesis kettle; a part of water vapor enters the desolventizing kettle to provide heat for the desolventizing kettle; 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethyl ethyl) oxirane after washing enters a desolventizing kettle for desolventizing, and a solvent used for desolventizing enters a second condenser for condensing and then reflows to the desolventizing kettle; the desolventized 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide finished product enters a second synthesis kettle, 1,2,4-1H-triazole in a seventh raw material tank enters the second synthesis kettle, potassium hydroxide in an eighth raw material tank enters the second synthesis kettle, polyethylene glycol in a ninth raw material tank enters the second synthesis kettle, a second reboiler heats the second synthesis kettle, all raw materials react to generate tebuconazole, after the reaction is finished, toluene in a tenth raw material tank is added into the second synthesis kettle, the tebuconazole is dissolved, then the tebuconazole dissolved in the toluene enters the second water washing kettle for water washing, and then the tebuconazole enters a crystallization kettle for crystallization to obtain tebuconazole, and the tebuconazole enters a finished product tank. The waste water after the second washing cauldron washing gets into the recovery cauldron through the recycle pump from its bottom outflow, the waste water of first washing cauldron and second washing cauldron all gets into the recovery cauldron, it heats waste water into steam to retrieve the cauldron, steam partly gives first synthetic cauldron heat supply, partly gives the synthetic cauldron heat supply of second, partly provides the heat for desolventizing the cauldron, partly in addition after condensing into water through the condenser, get into first washing cauldron and second washing cauldron respectively, wash the resultant of first synthetic cauldron and second synthetic cauldron respectively.
The utility model has the advantages that:
the utility model recycles the waste water after washing, and heats the waste water to provide heat for the first synthesis kettle, the second synthesis kettle and the desolventizing kettle, thereby reducing heat consumption, saving energy and reducing production cost; the utility model discloses utilize the condenser to dissolve the solvent recycle of cauldron, reduce the production consumption, reduce cost practices thrift the solvent, reduces the loss. The utility model discloses in only a heat source to with heat reuse, resources are saved. The utility model discloses evaporate the waste water after the washing, the condensation flows back again and washes the cauldron and wash, the consumption of water economy resource.
The utility model is simple in operation, convenient to use, the production security is high, and the product yield is high, with waste water recycle, reduces heat consumption, will desolventize solvent recovery and reduce consumption.
Drawings
FIG. 1: the structure of the utility model is shown schematically;
shown in the figure: 1. a first synthesis kettle, 2a recovery kettle, 3 a first washing kettle, 4 a desolventizing kettle, 5 a second synthesis kettle, 6 a second washing kettle, 7 a crystallization kettle, 8 a finished product tank, 9 a first raw material tank, 10 a second raw material tank, 11 a third raw material tank, 12 a fourth raw material tank, 13 a fifth raw material tank, 14, a sixth raw material tank, 15, a flow meter, 16, a dropping device, 17, a first reboiler, 18, a first condenser, 19, a recovery pump, 20, a second condenser, 21, a seventh raw material tank, 22, an eighth raw material tank, 23, a ninth raw material tank, 24, a tenth raw material tank, and 25, a second reboiler.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Just as the background art, current tebuconazole crude product apparatus for producing can not satisfy the production needs of tebuconazole fine product, based on this, the utility model provides a synthesis system of tebuconazole fine product, including first synthetic cauldron 1, first washing cauldron 3, desolventizing cauldron 4, second synthetic cauldron 5, second washing cauldron 6, crystallization kettle 7, finished product jar 8 that connect gradually, first synthetic cauldron and 1 first raw material jar group link, first raw material jar group includes first raw material jar 9, second raw material jar 10, third raw material jar 11, fourth raw material jar 12, fifth raw material jar 13 and sixth raw material jar 14, first raw material jar 9 passes through flowmeter 15 and is connected with first synthetic cauldron 1's top, second raw material jar 10 passes through flowmeter 15 and is connected with first synthetic cauldron 1's top, third raw material jar 11 passes through flowmeter 15 and is connected with first synthetic cauldron 1's top, fourth raw material jar 12 passes through flowmeter 15 and is connected with first synthetic cauldron 1's top, first raw material jar 15 loops through flowmeter 15 and first synthetic cauldron 1's top and first synthetic cauldron 15 is connected with the top. Second synthetic cauldron 5 and second raw material tank group link, second raw material tank group includes seventh raw material tank 21, eighth raw material tank 22, ninth raw material tank 23, tenth raw material tank 24, seventh raw material tank 21 passes through flowmeter 15 and is connected with the top of second synthetic cauldron 5, and eighth raw material tank 22 passes through flowmeter 15 and is connected with the top of second synthetic cauldron 5, and ninth raw material tank 23 passes through flowmeter 15 and is connected with the top of second synthetic cauldron 5, and tenth raw material tank 24 passes through flowmeter 15 and is connected with the top of second synthetic cauldron 5. Be connected with between first synthetic cauldron 1 and the first washing cauldron 3 and retrieve cauldron 2, retrieve cauldron 2 and be connected with first synthetic cauldron 1 through first reboiler 17, retrieve cauldron 2 and desolventizing cauldron 4 and pass through steam conduit and be connected, retrieve cauldron 2 and be connected with second synthetic cauldron 5 through second reboiler 25. The recycling kettle 2 is respectively connected with the first washing kettle 3 and the second washing kettle 6 through a first condenser 18, and the bottoms of the first washing kettle 3 and the second washing kettle 6 are connected with the recycling kettle 2 through a recycling pump 19. The desolventizing kettle 4 is connected with a second condenser 20.
When producing tebuconazole, dimethyl sulfide in a first raw material tank 9, toluene in a second raw material tank 10, raw material A in a third raw material tank 11 and isopropanol in a fourth raw material tank 12 are simultaneously added into a first synthesis kettle 1, then dimethyl sulfate is dropwise added into the first synthesis kettle 1 from a sixth raw material tank 14 through a dropwise adding device 16, potassium hydroxide enters the first synthesis kettle 1 from a fifth raw material tank 13 after dropwise adding is completed, a first regenerator 17 heats the first synthesis kettle 1, all raw materials react to generate 2- [2- (4-chlorophenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide, then the 2- [2- (4-chlorophenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide enters a first water washing kettle 3 from the first synthesis kettle 1 for water washing, wastewater after water washing flows out of the bottom of the first water washing kettle 3 through a recovery pump 19 and enters a recovery kettle, saturated steam supplies heat to the distillation kettle 2, the distillation wastewater after the distillation wastewater is heated, part of the distillation wastewater enters a first water washing kettle 3 through a first water washing kettle 3718-ethyl-2 condenser, part of the first water washing kettle 2- (3718-ethyl) ethylene oxide, and part of the first water flows back to the first water washing kettle through a recovery kettle 3763, and the first water condenser, and part of the first water washing kettle 2- (3218 zxft) ethylene oxide is heated by a recovery pump 3763; a part of water vapor enters the first reboiler 17 to provide heat for the first reboiler 17, and the first reboiler 17 provides heat for the first synthesis kettle 1; a part of water vapor enters a second reboiler 25 to provide heat for the second reboiler 25, and the second reboiler 25 provides heat for the second synthesis kettle 5; a part of water vapor enters the desolventizing kettle 4 to provide heat for the desolventizing kettle; the 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethyl ethyl) oxirane after washing enters a desolventizing kettle 4 for desolventizing, and a solvent used for desolventizing enters a second condenser 20 for condensing and then reflows to the desolventizing kettle 4; the desolventized 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide finished product enters a second synthesis kettle 5, 1,2,4-1H-triazole in a seventh raw material tank 21 enters the second synthesis kettle, potassium hydroxide in an eighth raw material tank 22 enters the second synthesis kettle, polyethylene glycol in a ninth raw material tank 23 enters the second synthesis kettle 5, a second reboiler 25 heats the second synthesis kettle 5, all raw materials react to generate tebuconazole, after the reaction is finished, toluene in a tenth raw material tank 24 is added into the second synthesis kettle 5, the tebuconazole is dissolved, then the tebuconazole dissolved in the toluene enters a second water washing kettle 6 for water washing, after the water washing, the water is added into a crystallization kettle 7 for crystallization to obtain the tebuconazole, and the tebuconazole enters a finished product tank 8. The waste water after the second washing cauldron 6 washing gets into recovery cauldron 2 through recycle pump 19 from its bottom outflow, the waste water of first washing cauldron 3 and second washing cauldron 6 all gets into recovery cauldron 2, recovery cauldron 2 heats waste water into steam, steam partly gives first synthetic cauldron 1 heat supply, partly gives the synthetic cauldron 5 heat supply of second, partly provides heat for desolventizing cauldron 4, partly in addition condense into behind the water through first condenser 18, get into first washing cauldron 3 and second washing cauldron 6 respectively, carry out the washing to the resultant of first synthetic cauldron 1 and second synthetic cauldron 5 respectively.
In order to make the technical solutions of the present application more clearly understood by those skilled in the art, the technical solutions of the present application will be described in detail below with reference to specific embodiments.
The test materials used in the embodiment of the utility model are the conventional test materials in the field, and can be purchased through commercial channels.
Examples
The utility model provides a synthesis system of tebuconazole fine product, includes first synthetic cauldron 1, first washing cauldron 3, desolventizing cauldron 4, second synthetic cauldron 5, second washing cauldron 6, crystallization kettle 7, finished product jar 8 that connect gradually, first synthetic cauldron and 1 first raw material jar group link, first raw material jar group includes first raw material jar 9, second raw material jar 10, third raw material jar 11, fourth raw material jar 12, fifth raw material jar 13 and sixth raw material jar 14, first raw material jar 9 passes through flowmeter 15 and is connected with first synthetic cauldron 1's top, second raw material jar 10 passes through flowmeter 15 and is connected with first synthetic cauldron 1's top, third raw material jar 11 passes through flowmeter 15 and is connected with first synthetic cauldron 1's top, fourth raw material jar 12 passes through flowmeter 15 and is connected with first synthetic cauldron 1's top, fifth raw material jar 13 passes through flowmeter 15 and is connected with first synthetic cauldron 1's top, sixth raw material jar 14, the drip feed tank 16 and the synthetic cauldron 1 top that loops through flowmeter. The second synthesis cauldron 5 and the second raw material tank group link, the second raw material tank group includes seventh raw material tank 21, eighth raw material tank 22, ninth raw material tank 23, tenth raw material tank 24, seventh raw material tank 21 passes through flowmeter 15 to be connected with the top of the second synthesis cauldron 5, and eighth raw material tank 22 passes through flowmeter 15 to be connected with the top of the second synthesis cauldron 5, and ninth raw material tank 23 passes through flowmeter 15 to be connected with the top of the second synthesis cauldron 5, and tenth raw material tank 24 passes through flowmeter 15 to be connected with the top of the second synthesis cauldron 5. Be connected with between first synthetic cauldron 1 and the first washing cauldron 3 and retrieve cauldron 2, retrieve cauldron 2 and be connected with first synthetic cauldron 1 through first reboiler 17, retrieve cauldron 2 and desolventizing cauldron 4 and pass through steam conduit and be connected, retrieve cauldron 2 and be connected with second synthetic cauldron 5 through second reboiler 25. The recycling kettle 2 is respectively connected with the first washing kettle 3 and the second washing kettle 6 through a first condenser 18, and the bottoms of the first washing kettle 3 and the second washing kettle 6 are connected with the recycling kettle 2 through a recycling pump 19. The desolventizing kettle 4 is connected with a second condenser 20.
When producing tebuconazole, dimethyl sulfide in a first raw material tank 9, toluene in a second raw material tank 10, a raw material A in a third raw material tank 11 and isopropanol in a fourth raw material tank 12 are simultaneously added into a first synthesis kettle 1, then dimethyl sulfate is dropwise added into the first synthesis kettle 1 from a sixth raw material tank 14 through a dropping device 16, potassium hydroxide enters the first synthesis kettle 1 from a fifth raw material tank 13 after the dropwise addition is completed, a first reboiler 17 heats the first synthesis kettle 1, all raw materials react to generate 2- [2- (4-chlorophenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide, then 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide enters a first water washing kettle 3 from a first synthesis kettle 1 for water washing, the waste water after water washing flows out from the bottom of the first water washing kettle 3 and enters a recovery kettle 2 through a recovery pump 19, saturated steam provides heat for the recovery kettle 2 to distill the waste water, part of the distilled water vapor returns to the first water washing kettle 3 from the top of the recovery kettle 2 through a first condenser 18, 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide is subjected to water washing, and part of the water vapor also enters a second water washing kettle 6 through the first condenser 18; a part of water vapor enters the first reboiler 17 to provide heat for the first reboiler 17, and the first reboiler 17 provides heat for the first synthesis kettle 1; a part of water vapor enters a second reboiler 25 to provide heat for the second reboiler 25, and the second reboiler 25 provides heat for the second synthesis kettle 5; a part of water vapor enters the desolventizing kettle 4 to provide heat for the desolventizing kettle; the 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethyl ethyl) oxirane after washing enters a desolventizing kettle 4 for desolventizing, and a solvent used for desolventizing enters a second condenser 20 for condensing and then reflows to the desolventizing kettle 4; the desolventized 2- [2- (4-chlorphenyl) ethyl ] -2- (1,1-dimethylethyl) ethylene oxide finished product enters a second synthesis kettle 5, 1,2,4-1H-triazole in a seventh raw material tank 21 enters the second synthesis kettle, potassium hydroxide in an eighth raw material tank 22 enters the second synthesis kettle, polyethylene glycol in a ninth raw material tank 23 enters the second synthesis kettle 5, a second reboiler 25 heats the second synthesis kettle 5, all raw materials react to generate tebuconazole, after the reaction is finished, toluene in a tenth raw material tank 24 is added into the second synthesis kettle 5, the tebuconazole is dissolved, then the tebuconazole dissolved in the toluene enters a second water washing kettle 6 for water washing, after the water washing, the water is added into a crystallization kettle 7 for crystallization to obtain the tebuconazole, and the tebuconazole enters a finished product tank 8. The waste water after the second washing cauldron 6 washing gets into recovery cauldron 2 through recycle pump 19 from its bottom outflow, the waste water of first washing cauldron 3 and second washing cauldron 6 all gets into recovery cauldron 2, recovery cauldron 2 heats waste water into steam, steam partly gives first synthetic cauldron 1 heat supply, partly gives the synthetic cauldron 5 heat supply of second, partly provides heat for desolventizing cauldron 4, partly in addition condense into behind the water through first condenser 18, get into first washing cauldron 3 and second washing cauldron 6 respectively, carry out the washing to the resultant of first synthetic cauldron 1 and second synthetic cauldron 5 respectively.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (4)

1. A tebuconazole fine product synthesis system is characterized by comprising a first synthesis kettle, a first washing kettle, a desolventizing kettle, a second synthesis kettle, a second washing kettle, a crystallization kettle and a finished product tank which are sequentially connected, wherein the first synthesis kettle is connected with a first raw material tank set, and the second synthesis kettle is connected with a second raw material tank set; be connected with the recovery cauldron between first synthetic cauldron and the first washing cauldron, the recovery cauldron is connected with first synthetic cauldron through first reboiler, and the recovery cauldron passes through the second reboiler and is connected with the synthetic cauldron of second, the recovery cauldron passes through first condenser and is connected with first washing cauldron and second washing cauldron respectively, and the bottom of first washing cauldron and second washing cauldron is passed through the recovery pump and is connected with the recovery cauldron, the recovery cauldron passes through steam conduit with desolventizing the cauldron and is connected, the recovery cauldron still passes through steam conduit with the synthetic cauldron of second and is connected.
2. The synthesis system of tebuconazole fine work of claim 1, characterized in that, first raw material tank group includes first raw material tank, second raw material tank, third raw material tank, fourth raw material tank, fifth raw material tank and sixth raw material tank, first raw material tank passes through the flowmeter and is connected with the top of first synthesis cauldron, second raw material tank passes through the flowmeter and is connected with the top of first synthesis cauldron, third raw material tank passes through the flowmeter and is connected with the top of first synthesis cauldron, fourth raw material tank passes through the flowmeter and is connected with the top of first synthesis cauldron, fifth raw material tank passes through the flowmeter and is connected with the top of first synthesis cauldron, sixth raw material tank loops through the flowmeter, the drip feed tank is connected with the top of first synthesis cauldron.
3. The synthesis system of tebuconazole fine product according to claim 1, characterized in that the second raw material tank group comprises a seventh raw material tank, an eighth raw material tank, a ninth raw material tank and a tenth raw material tank, wherein the seventh raw material tank is connected with the top of the second synthesis kettle through a flow meter, the eighth raw material tank is connected with the top of the second synthesis kettle through a flow meter, the ninth raw material tank is connected with the top of the second synthesis kettle through a flow meter, and the tenth raw material tank is connected with the top of the second synthesis kettle through a flow meter.
4. The system for synthesizing a tebuconazole fine product according to claim 1, wherein the desolventizing kettle is connected with a second condenser.
CN202223182257.2U 2022-11-30 2022-11-30 Synthesis system of tebuconazole competitive product Active CN218834473U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223182257.2U CN218834473U (en) 2022-11-30 2022-11-30 Synthesis system of tebuconazole competitive product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223182257.2U CN218834473U (en) 2022-11-30 2022-11-30 Synthesis system of tebuconazole competitive product

Publications (1)

Publication Number Publication Date
CN218834473U true CN218834473U (en) 2023-04-11

Family

ID=87300456

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223182257.2U Active CN218834473U (en) 2022-11-30 2022-11-30 Synthesis system of tebuconazole competitive product

Country Status (1)

Country Link
CN (1) CN218834473U (en)

Similar Documents

Publication Publication Date Title
CN105001087B (en) Comprehensive utilization metronidazole hydroxylation synthetic wastewater produces the method and device of formate ester
CN103467263B (en) Preparation method of isophorone
CN104557784A (en) Method for producing epoxypropane
CN112076780B (en) Catalytic preparation method of isopropanolamine
CN103274898A (en) Process for recovering distillation waste liquid generated by producing 1,4-butanediol
CN105237369A (en) Isoborneol-dehydrogenated camphor refining method and equipment therefor
CN218834473U (en) Synthesis system of tebuconazole competitive product
CN100357266C (en) Process for producing methyl carbamate
CN106608865B (en) Power-economizing method for ethylene carbonate Lipase absobed
CN105753649B (en) A kind of method that isooctanol is reclaimed from the solvent slop of isooctyl thioglycolate production process
CN106220578A (en) A kind of new benzoguanamine production method
CN218741906U (en) Production device for synthesizing tebuconazole intermediate
CN105037212B (en) By ammonia and the method for carbon dioxide production urea
CN107500460A (en) A kind of ortho-nitraniline mother liquor processing method
CN106608832B (en) The process of liquid ammonia process for caustic soda purification and Ammonia Process co-producing ethanol amine
CN101279973B (en) Preparation of 1,8-diazabicyclo[5.4.0] hendecene
CN106608833B (en) Ethanol amine co-production
CN104292197A (en) Synthesis method of spirodiclofen
CN105905928B (en) A kind of handling process for preparing waste liquid during 3,6 dichlorosalicylic acids
CN106496031A (en) A kind of method for improving dimethyl malenate yield
CN102001938B (en) Process and production system for synthesizing dimethyl oxalate or diethyl oxalate and coproducing oxalic acid
CN109438304B (en) Preparation method of 2-chloropropenyl isothiocyanate
CN107522638A (en) Prepare the microreactor and method of o-methyl formate benzene sulfonamide
CN106608829B (en) Ammonia recovery method in ethanol amine joint production process
CN108129272A (en) The system and method that a kind of microwave catalysis continuously prepares alcohol ether

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant