CN101811931B - Energy-saving vinyl chloride conversion dehydrating device - Google Patents
Energy-saving vinyl chloride conversion dehydrating device Download PDFInfo
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- CN101811931B CN101811931B CN2010101590633A CN201010159063A CN101811931B CN 101811931 B CN101811931 B CN 101811931B CN 2010101590633 A CN2010101590633 A CN 2010101590633A CN 201010159063 A CN201010159063 A CN 201010159063A CN 101811931 B CN101811931 B CN 101811931B
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- mixed gas
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- acid mist
- preheater
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention belongs to a vinyl chloride monomer preparation device, more particularly to an energy-saving vinyl chloride conversion dehydrating device, which comprises a mixer, graphite coolers, acid mist filters and a preheater and further comprises a mixed gas heat exchanger, wherein a shell side inlet of the mixed gas heat exchanger is connected with a gas outlet of the mixer through a connecting pipeline and a shell side outlet of the mixed gas heat exchanger is connected with the gas inlet of a primary graphite cooler through the connecting pipeline, the primary graphite cooler, a secondary graphite cooler, a primary acid mist filter and a secondary acid mist filter are connected with each other in sequence through the connecting pipeline, a gas outlet of the secondary acid mist filter is connected with a tube side inlet of the mixed gas heat exchanger through the connecting pipeline, and a tube side outlet of the mixed gas heat exchanger is connected with the preheater through the connecting pipeline. The device cools the deep cooling-prior mixed gas by demisting-subsequent cooling energy to save the cooling energy, and simultaneously, a part of heat is obtained by the deep-cooled mixed gas after demisting to economize on the circulation amount of hot water of the preheater, thus the energy consumption is obviously lowered.
Description
Technical field
The invention belongs to the vinyl chloride monomer preparation facilities, specifically a kind of energy-saving vinyl chloride conversion dehydrating device.
Background technology
At present, the vinyl chloride monomer preparation facilities by mixing tank, one-level graphite cooler, secondary graphite cooler, two-stage acid mist filter,, preheater consists of, the principle of work of this device is: the refining acetylene gas of being sent here by the acetylene operation mixes in mixing tank with the hydrogen chloride gas that the hydrogenchloride device is sent here, enter and carry out degree of depth cooled dehydrated in the I and II graphite cooler, enter afterwards the two-stage acid mist filter and further remove acid mist, then enter preheater and heat.The first deep cooling that this existing device embodies, the method for rear heat have caused a large amount of energy wastages.
Summary of the invention
The present invention is intended to solve the problem of a large amount of energy wastages that have the existence of vinyl chloride monomer preparation facilities now, and provide a kind of gas mixture before utilizing cold after demist to deep cooling to carry out cooling, deep cooling gas mixture after demist simultaneously obtains the part heat, to save the energy-saving vinyl chloride conversion dehydrating device of preheater hot water cycle amount.
the technical scheme that the present invention solves its technical problem employing is: a kind of energy-saving vinyl chloride conversion dehydrating device, comprise mixing tank, the one-level graphite cooler, the secondary graphite cooler, the primary acids mist resistant filter, the secondary acid mist filter, preheater, it also comprises a gas mixture interchanger, its shell side import of this gas mixture interchanger is connected with the pneumatic outlet of mixing tank by connecting tube, its shell side outlet is connected by the gas feed of connecting tube with the one-level graphite cooler, this one-level graphite cooler, the secondary graphite cooler, the primary acids mist resistant filter, the secondary acid mist filter connects by connecting tube successively, the pneumatic outlet of this secondary acid mist filter is connected with the tube side import of this gas mixture interchanger by connecting tube, the tube side outlet of this gas mixture interchanger is connected with this preheater by connecting tube.
Compared with prior art, the invention has the beneficial effects as follows: increased the gas mixture interchanger between lyophilization and preheater, gas mixture before using cold after demist to deep cooling carries out the cooling cold of having saved, deep cooling gas mixture after demist simultaneously obtains the part heat, has saved the hot water circulation amount of preheater.Adopt vinyl chloride monomer preparation facilities of the present invention, energy consumption obviously reduces, and quality product improves, stable operation.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is gas mixture heat exchanger structure schematic diagram of the present invention.
In figure: connecting tube 1, gas mixture interchanger 2, one-level graphite cooler 3, secondary graphite changes water cooler 4, primary acids mist resistant filter 5, secondary acid mist filter 6, mixing tank 7, preheater 8, shell side import 9, shell side outlet 10, tube side import 11, tube side outlet 12, shell 13, tubulation 14, sieve plate 15.
Embodiment
Below in conjunction with drawings and Examples in detail the present invention is described in detail:
as Fig. 1, shown in Figure 2, energy-saving vinyl chloride conversion dehydrating device is by connecting tube 1, gas mixture interchanger 2, one-level graphite cooler 3, secondary graphite changes water cooler 4, primary acids mist resistant filter 5, secondary acid mist filter 6, mixing tank 7, preheater 8 consists of, these gas mixture interchanger 2 its shell side imports 9 are connected with the pneumatic outlet of mixing tank 7 by connecting tube 1, its shell side outlet 10 is connected with the gas feed of one-level graphite cooler 3 by connecting tube 1, this one-level graphite cooler 3, secondary graphite cooler 4, primary acids mist resistant filter 5, secondary acid mist filter 6 connects by connecting tube 1 successively, the pneumatic outlet of this secondary acid mist filter 6 is connected with the tube side import 11 of this gas mixture interchanger 2 by connecting tube 1, the tube side outlet 12 of this gas mixture interchanger 2 is connected with this preheater 8 by connecting tube 1.
The interchanger 2 of gas mixture described in the present embodiment is made of shell 13, tubulation 14, sieve plate 15, and this shell 13 is tubular construction, is welded with the tubulation 14 of vertical setting in it by upper and lower sieve plate 15.
The graphite cooler of one-level described in the present embodiment 3, secondary graphite change water cooler 4, primary acids mist resistant filter 5, secondary acid mist filter 6, mixing tank 7, preheater 8 and are conventional equipment in existing vinyl chloride monomer preparation facilities.
the working process of energy-saving vinyl chloride conversion dehydrating device is summarized as follows: after the hydrogen chloride gas that the refining acetylene gas of being sent here by the acetylene operation and hydrogenchloride device are sent here mixes in mixing tank 7, through the outlet of mixing tank 7 by connecting tube 1 and in shell side import 9 enters the housing 13 of gas mixture interchanger 2, again by the shell side outlet 10 of gas mixture interchanger 2 and the import that enters one-level graphite heat exchanger 3 through connecting tube 1, thus successively by one-level graphite heat exchanger 3, secondary graphite heat exchanger pipe connecting 4, primary acids mist resistant filter 5, secondary acid mist filter 6, again in the tubulation in tube side import 11 enters gas mixture interchanger 2 14, then enter again preheater 8 through tube side outlet 12 by connecting tube 1.
In this device, gas mixture has carried out the exchange of cold and hot amount in by the process of gas mixture interchanger 2 at twice, realized that the gas mixture before the cold after the demist is to deep cooling carries out cooling to save cold, deep cooling gas mixture after demist has simultaneously obtained the part heat, has saved again the hot water circulation amount of preheater 8.
Claims (2)
1. energy-saving vinyl chloride conversion dehydrating device, comprise mixing tank, the one-level graphite cooler, the secondary graphite cooler, the primary acids mist resistant filter, the secondary acid mist filter, preheater, it is characterized in that, it also comprises a gas mixture interchanger, its shell side import of this gas mixture interchanger is connected with the pneumatic outlet of mixing tank by connecting tube, its shell side outlet is connected by the gas feed of connecting tube with the one-level graphite cooler, this one-level graphite cooler, the secondary graphite cooler, the primary acids mist resistant filter, the secondary acid mist filter connects by connecting tube successively, the pneumatic outlet of this secondary acid mist filter is connected with the tube side import of this gas mixture interchanger by connecting tube, the tube side outlet of this gas mixture interchanger is connected with this preheater by connecting tube.
2. energy-saving vinyl chloride conversion dehydrating device according to claim 1, is characterized in that, described gas mixture interchanger is made of shell, tubulation, sieve plate, and this shell is tubular construction, is welded with the tubulation of vertical setting in it by upper and lower sieve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101590633A CN101811931B (en) | 2010-04-29 | 2010-04-29 | Energy-saving vinyl chloride conversion dehydrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101590633A CN101811931B (en) | 2010-04-29 | 2010-04-29 | Energy-saving vinyl chloride conversion dehydrating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101811931A CN101811931A (en) | 2010-08-25 |
| CN101811931B true CN101811931B (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101590633A Active CN101811931B (en) | 2010-04-29 | 2010-04-29 | Energy-saving vinyl chloride conversion dehydrating device |
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| Country | Link |
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| CN (1) | CN101811931B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111921347B (en) * | 2020-08-11 | 2024-07-26 | 中国成达工程有限公司 | Acetylene method vinyl chloride feed gas drying system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3285980A (en) * | 1960-05-02 | 1966-11-15 | Dynamit Nobel Ag | Process for the production of vinyl chloride |
| CN101544530A (en) * | 2009-03-21 | 2009-09-30 | 青岛科技大学 | Method for deep removal of water in ethyne and chlorine hydride mixed gas |
| CN201694975U (en) * | 2010-04-29 | 2011-01-05 | 唐山氯碱有限责任公司 | Energy-saving vinyl chloride conversion dewatering device |
-
2010
- 2010-04-29 CN CN2010101590633A patent/CN101811931B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3285980A (en) * | 1960-05-02 | 1966-11-15 | Dynamit Nobel Ag | Process for the production of vinyl chloride |
| CN101544530A (en) * | 2009-03-21 | 2009-09-30 | 青岛科技大学 | Method for deep removal of water in ethyne and chlorine hydride mixed gas |
| CN201694975U (en) * | 2010-04-29 | 2011-01-05 | 唐山氯碱有限责任公司 | Energy-saving vinyl chloride conversion dewatering device |
Non-Patent Citations (1)
| Title |
|---|
| 吴丽君，郝章来.氯乙烯合成混合冷冻脱水工艺的技术改进.《中国氯碱》.1998,(第4期),17-20. * |
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| CN101811931A (en) | 2010-08-25 |
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Address after: 063305 Nanpu Development Zone, Hebei, Tangshan City Patentee after: Tangshan Alkali Chloride Co., Ltd. Address before: 063305 Nanpu Development Zone, Hebei, Tangshan City Patentee before: Tangshan Alkali Chloride Co., Ltd. |