CN104941549A - Difluoromethane reaction steam condensate water recycling system - Google Patents
Difluoromethane reaction steam condensate water recycling system Download PDFInfo
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- CN104941549A CN104941549A CN201510292703.0A CN201510292703A CN104941549A CN 104941549 A CN104941549 A CN 104941549A CN 201510292703 A CN201510292703 A CN 201510292703A CN 104941549 A CN104941549 A CN 104941549A
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Abstract
The invention discloses a difluoromethane reaction steam condensate water recycling system, which comprises a difluoromethane reaction kettle, a condensate water collecting tank and two heat exchangers. The condensate water collecting tank sends condensate water to a hot water inlet of the heat exchanger a and a hot water inlet of the heat exchanger b, the reaction kettle condensate water outlet is connected to the inlet of the condensate water collecting tank, and a dichloromethane outlet and an anhydrous hydrogen fluoride outlet send dichloromethane and anhydrous hydrogen fluoride to the reaction kettle inlet. The system provided by the invention makes full use of the waste heat of the reaction kettle steam condensate water to preheat the raw materials dichloromethane and anhydrous hydrogen fluoride, and reduces the equipment investment of raw material preheaters in the traditional process, as long as the reaction of the reaction kettle is carried out to certain degree, the reaction collected steam condensate water basically can achieve the raw material preheating effect, and energy consumption is greatly reduced.
Description
Technical field
The present invention relates to a kind of difluoromethane reaction vapor condensing hot air furnace reutilization system.
Background technology
Steam is as a kind of purposes thermal source very widely in the industrial production, is used to realize industrial product process procedure.Steam heating system comprises steam heating system and condensation water recovery system, and the success or failure key of a steam heating system design depends primarily on the condensing hot air furnace rate whether condensation water recovery system has more efficient.This is because after steam releases the latent heat of vaporization in each gas utilization unit, become the saturated condensate water of intimate equality of temperature with pressure, because the use pressure of steam is greater than atmospheric pressure, so the heat that condensate water has can reach 20% ~ 30% of the full heat of steam, and the heat that the higher condensate water of pressure, temperature has is more, the ratio accounting for steam total amount of heat is also larger.Can find out, reclaim the heat of condensate water, and effectively utilized, there is very large energy-saving potential.
The steam condensate recovery system of an Effec-tive Function, will significantly improve the efficiency of whole therrmodynamic system, saves electricity, coal, water and pollution plot expense, saving energy and reduce the cost to factory, significant effect of having increased economic efficiency.How to design a set of recycling circulatory system utilizing condensed water and heat thereof effectively and reasonably, reaching maximum energy-saving consumption reduction effect is the problem being worth now inquiring into.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of difluoromethane reaction vapor condensing hot air furnace reutilization system.For the deficiency of difluoromethane reaction system heating system, fully effectively make use of the waste heat of difluoromethane reactor steam condensate (SC), save production cost.
For solving the problems of the technologies described above, a kind of difluoromethane reaction vapor condensing hot air furnace reutilization system of the present invention, it comprises difluoromethane reactor, hot well and two heat exchangers, described difluoromethane reactor side has steam inlet, described difluoromethane reactor top has reactor import, reactor condensation-water drain is had bottom described difluoromethane reactor, described condensation water collection trench bottom and top have import and outlet, two heat exchangers are respectively heat exchanger a and heat exchanger b, one end, described heat exchanger a top has hot water inlet and carrene outlet, bottom described heat exchanger a, the other end has hot water outlet and carrene import, one end, described heat exchanger b top has hot water inlet and anhydrous hydrogen fluoride outlet, bottom described heat exchanger b, the other end has hot water outlet and anhydrous hydrogen fluoride import, condensed water is delivered to the hot water inlet of heat exchanger a and the hot water inlet of heat exchanger b by described hot well, described reactor condensation-water drain is connected with the import of hot well, carrene outlet and anhydrous hydrogen fluoride outlet are respectively by carrene, anhydrous hydrogen fluoride delivers to reactor import.
Difluoromethane reactor is jacket type structure, and steam enters chuck and heats to reactor; Hot well outlet point two-way, two groups of heat exchangers in parallel, give raw material carrene and anhydrous hydrogen fluoride preheating respectively; Raw material carrene and anhydrous hydrogen fluoride and heat source stream condensed water make strict adverse current, strengthen heat-transfer effect; Raw material carrene and anhydrous hydrogen fluoride be heated to temperature required after enter reactor and react.
Condensing hot air furnace reutilization system of the present invention, make full use of the waste heat of reactor steam condensate (SC) to raw material carrene and anhydrous hydrogen fluoride preheating, decrease the equipment investment of traditional handicraft Raw preheater, as long as reactor reaction proceeds to a certain degree, the steam condensate (SC) that reaction is collected can reach the pre-heat effect of raw material substantially, greatly reduces the consumption of the energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: 1, difluoromethane reactor, 2, hot well, 3, heat exchanger a, 4, heat exchanger b, 5, steam inlet, 6, reactor condensation-water drain, 7, import, 8, outlet, 9, hot water inlet, 10, hot water outlet, 11, hot water inlet, 12, hot water outlet, 13, carrene import, 14, carrene outlet, 15, anhydrous hydrogen fluoride import, 16, anhydrous hydrogen fluoride outlet, 17, reactor import.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment, only for explaining the present invention, does not form the restriction to protection scope of the present invention.
As shown in Figure 1, a kind of difluoromethane reaction vapor condensing hot air furnace reutilization system of the present invention, comprise difluoromethane reactor 1, hot well 2 and two heat exchangers, difluoromethane reactor 1 side has steam inlet 5, difluoromethane reactor 1 top has reactor import 17, reactor condensation-water drain 6 is had bottom difluoromethane reactor 1, bottom hot well 2 and top has import 7 and outlet 8, two heat exchangers are respectively heat exchanger a3 and heat exchanger b4, one end, heat exchanger a3 top has hot water inlet 9 and carrene outlet 14, bottom heat exchanger a3, the other end has hot water outlet 12 and carrene import 13, one end, heat exchanger b4 top has hot water inlet 9 and anhydrous hydrogen fluoride outlet 16, bottom heat exchanger b4, the other end has hot water outlet 12 and anhydrous hydrogen fluoride import 15, condensed water is delivered to the hot water inlet 9 of heat exchanger a3 and the hot water inlet 11 of heat exchanger b4 by hot well 2, reactor condensation-water drain 6 is connected with the import 7 of hot well 2, carrene outlet 14 and anhydrous hydrogen fluoride outlet 16 are respectively by carrene, anhydrous hydrogen fluoride delivers to reactor import 17.
Native system mainly comprises difluoromethane reactor 1, condensing hot air furnace groove 2, heat exchanger a3 and a few large equipment of heat exchanger b4, in process of production, reactor steam condensate (SC) from reactor condensation-water drain 6 out, connected by pipeline and enter hot well from hot well import 7, hot water inside feeder is delivered to respectively two heat exchanger a in parallel, b, raw material carrene and anhydrous hydrogen fluoride are delivered to heat exchanger a respectively simultaneously, b, hot water and the turnover of raw material adverse current, increase heat transfer effect, raw material carrene through heat exchanger is heated to 60 DEG C ~ 90 DEG C, anhydrous hydrogen fluoride is heated to 40 DEG C ~ 60 DEG C, finally preheated raw material carrene and anhydrous hydrogen fluoride are delivered to reactor reaction.
Make full use of the waste heat of reactor steam condensate (SC) to raw material carrene and anhydrous hydrogen fluoride preheating, decrease the equipment investment of traditional handicraft Raw preheater, as long as reactor reaction proceeds to a certain degree, the steam condensate (SC) that reaction is collected can reach the pre-heat effect of raw material substantially, greatly reduces the consumption of the energy.
Claims (1)
1. a difluoromethane reaction vapor condensing hot air furnace reutilization system, it is characterized in that: it comprises difluoromethane reactor, hot well and two heat exchangers, described difluoromethane reactor side has steam inlet, described difluoromethane reactor top has reactor import, reactor condensation-water drain is had bottom described difluoromethane reactor, described condensation water collection trench bottom and top have import and outlet, two heat exchangers are respectively heat exchanger a and heat exchanger b, one end, described heat exchanger a top has hot water inlet and carrene outlet, bottom described heat exchanger a, the other end has hot water outlet and carrene import, one end, described heat exchanger b top has hot water inlet and anhydrous hydrogen fluoride outlet, bottom described heat exchanger b, the other end has hot water outlet and anhydrous hydrogen fluoride import, condensed water is delivered to the hot water inlet of heat exchanger a and the hot water inlet of heat exchanger b by described hot well, described reactor condensation-water drain is connected with the import of hot well, carrene outlet and anhydrous hydrogen fluoride outlet are respectively by carrene, anhydrous hydrogen fluoride delivers to reactor import.
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CN201510292703.0A CN104941549A (en) | 2015-06-02 | 2015-06-02 | Difluoromethane reaction steam condensate water recycling system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106140047A (en) * | 2016-08-08 | 2016-11-23 | 江苏国胶化学科技有限公司 | Reboiler condensed water residual heat reuse system device |
CN106397471A (en) * | 2016-08-16 | 2017-02-15 | 湖北兴发化工集团股份有限公司 | Vaporization energy saving equipment for silicone monomer raw material methyl chloride and process thereof |
CN108671868A (en) * | 2018-07-06 | 2018-10-19 | 安徽谷天下食品有限公司 | A kind of the utilization system and its application method of phosphatidylinositol hydrolysis waste heat |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201610378U (en) * | 2009-12-22 | 2010-10-20 | 杭州锦江集团有限公司 | High-pressure live steam condensate residual heat recovering system |
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2015
- 2015-06-02 CN CN201510292703.0A patent/CN104941549A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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CN201610378U (en) * | 2009-12-22 | 2010-10-20 | 杭州锦江集团有限公司 | High-pressure live steam condensate residual heat recovering system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106140047A (en) * | 2016-08-08 | 2016-11-23 | 江苏国胶化学科技有限公司 | Reboiler condensed water residual heat reuse system device |
CN106397471A (en) * | 2016-08-16 | 2017-02-15 | 湖北兴发化工集团股份有限公司 | Vaporization energy saving equipment for silicone monomer raw material methyl chloride and process thereof |
CN106397471B (en) * | 2016-08-16 | 2018-09-28 | 湖北兴发化工集团股份有限公司 | A kind of the vaporizing energy-saving device and technique of organic silicon monomer raw material chloromethanes |
CN108671868A (en) * | 2018-07-06 | 2018-10-19 | 安徽谷天下食品有限公司 | A kind of the utilization system and its application method of phosphatidylinositol hydrolysis waste heat |
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