CN204220126U - Spiral plate type chloroethylene synthesizing converter - Google Patents
Spiral plate type chloroethylene synthesizing converter Download PDFInfo
- Publication number
- CN204220126U CN204220126U CN201420712403.4U CN201420712403U CN204220126U CN 204220126 U CN204220126 U CN 204220126U CN 201420712403 U CN201420712403 U CN 201420712403U CN 204220126 U CN204220126 U CN 204220126U
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- heat exchanger
- opening
- exchanger plates
- spiral
- plate type
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Abstract
The utility model discloses a kind of spiral plate type chloroethylene synthesizing converter, it comprise the tubular of the perpendicular both ends open put housing, reel in double helix shape the first heat exchanger plates and the second heat exchanger plates that are arranged in described housing, first passage and second channel that double helix arranges is formed between described first heat exchanger plates and described second heat exchanger plates, the both sides up and down of described first passage are closed, the center of its spiral has the first opening, and the edge of its spiral has the second opening; The spiral center of described second channel and helical margin are closed, formation the 3rd opening and the 4th opening are opened wide in its upper and lower both sides, described second channel sidewall is provided with catalyst, because the utility model have employed the structure of spiral plate type, reduce physical dimension, improve conversion ratio, because of the self-cleaning function of spiral plate structure, the situation of secondary minimizing hot water dirt, increase the service life and the time between overhauls(TBO), avoid the situation of corrosive pipeline seepage, greatly can improve the production technology level of vinyl chloride, meet market demand.
Description
Technical field
the utility model relates to vinyl chloride production equipment, particularly a kind of spiral plate type chloroethylene synthesizing converter.
Background technology
vinyl chloride is a kind of important monomer being applied to macromolecule chemical industry, has colourless, easy liquefaction, explosive, poisonous feature.Current vinyl chloride generally adopts carbide to produce, the structure of reactor of the mainly fixed tube sheet shell and tube used, its production principle be by mist out in blender enter with mercury chloride do catalyst converter in react, acetylene and hydrogen chloride are closed and are converted into vinyl chloride.This reaction is strong exothermal reaction, and the central temperature of reaction zone reaches as high as about 190 DEG C.The amount of heat that reaction is released must be removed through shell side circulating water medium.Chloroethylene synthesizing converter is actually a kind of large heat exchanger, and alternatively it is reactor, and it is the key equipment in VCM synthesis technological process.In recent years because of the expansion of the vinyl chloride market demand, many manufacturing enterprises carry out large quantifier elimination from the consideration of the factors such as volume increase, cost, environmental protection, safety to the synthesis converter of shell and tube.These researchs are mainly through increasing heat exchanger tube mode, and from previous Φ 2400mm, heat exchanger tube quantity is approximately 600, heat exchange area 320-350m2, and Φ 3000mm up till now, heat exchanger tube quantity is approximately 1600, and heat exchange area reaches about 780m2.But there are some defects in this result, because its exchanger tubes and tubesheets is all that expanded joint forms, its expanded joint technical requirement is very strict, as long as there is the seepage of a tube head trace, cooling medium in shell side will be leaked in tube side, make the dry hydrogen chloride gas of tube side generate hydrochloric acid, and corrode rapidly until a large amount of hydrochloric acid is put the discharge of sour mouth and causes safe stopping production accident from bottom.Therefore following exploitation a kind of have high-performance, high anticorrosion, Leakage prevention, economy Novel chloroethylene synthesizing converter there is very large market application foreground.
Summary of the invention
the purpose of this utility model is to provide a kind of high-performance, high anticorrosion, Leakage prevention, economy spiral plate type chloroethylene synthesizing converter.
for achieving the above object, the technical solution adopted in the utility model is: spiral plate type chloroethylene synthesizing converter, it comprise the tubular of the perpendicular both ends open put housing, reel in double helix shape the first heat exchanger plates and the second heat exchanger plates that are arranged in described housing, first passage and second channel that double helix arranges is formed between described first heat exchanger plates and described second heat exchanger plates, the both sides up and down of described first passage are closed, the center of its spiral has the first opening, and the edge of its spiral has the second opening; The spiral center of described second channel and helical margin are closed, and formation the 3rd opening and the 4th opening are opened wide in its upper and lower both sides, and described second channel sidewall is provided with catalyst.
preferably, described first opening is the cooling liquid outlet being positioned at described housing upper, and described second opening is the cooling fluid entrance being positioned at described lower housing portion.
preferably, described 3rd opening is the gas vent being positioned at described housing upper, and described 4th opening is the gas access being positioned at described lower housing portion.
preferably, the spacing column that multiple two ends support described first heat exchanger plates and described second heat exchanger plates is respectively provided with in described first passage.
preferably, be vertically provided with multiple spacing dividing plate in described second channel, the both sides of described spacing dividing plate offset with described first heat exchanger plates and described second heat exchanger plates respectively, and described second channel is separated into multiple vertical single channel by described spacing dividing plate.
further preferably, described spacing column surface is provided with catalyst.
preferably, described first passage lower end is provided with leakage fluid dram.
because technique scheme is used, the utility model compared with prior art has following advantages:
because the utility model have employed the structure of spiral plate type, reduce physical dimension, improve conversion ratio, because of the self-cleaning function of spiral plate structure, the situation of secondary minimizing hot water dirt, increases the service life and the time between overhauls(TBO), avoids the situation of corrosive pipeline seepage, greatly can improve the production technology level of vinyl chloride, meet market demand.
Accompanying drawing explanation
accompanying drawing 1 is schematic front view of the present utility model;
accompanying drawing 2 is that the utility model A-A is to cross-sectional schematic;
accompanying drawing 3 is the utility model close-up schematic view B;
accompanying drawing 4 is the utility model close-up schematic view C;
accompanying drawing 5 is the utility model close-up schematic view D.
in above accompanying drawing: 1, housing; 21, the first heat exchanger plates; 22, the second heat exchanger plates; 31, first passage; 32, second channel; 41, the first opening; 42, the second opening; 43, the 3rd opening; 44, the 4th opening; 5, spacing column; 6, spacing dividing plate; 7, leakage fluid dram; 8, round steel.
Detailed description of the invention
below in conjunction with embodiment shown in the drawings, the utility model is further described:
embodiment one: shown in accompanying drawing 1-5, spiral plate type chloroethylene synthesizing converter, it comprise the tubular of the perpendicular both ends open put housing 1, reel in double helix shape the first heat exchanger plates 21 and the second heat exchanger plates 22 be arranged in housing 1, first passage 31 and second channel 32 that double helix arranges is formed between first heat exchanger plates 21 and the second heat exchanger plates 22, the both sides up and down of first passage 31 are closed, round steel 8 is adopted to weld shutoff in the present embodiment, the center of its spiral has the first opening 41, and the edge of its spiral has the second opening 42; The spiral center of second channel 32 and helical margin are closed, and formation the 3rd opening 43 and the 4th opening 44 are opened wide in its upper and lower both sides, and second channel sidewall is provided with catalyst.First opening 41 is for being positioned at the cooling liquid outlet on housing 1 top, and the second opening 42 is for being positioned at the cooling fluid entrance of lower housing portion, and the 3rd opening 43 is for being positioned at the gas vent on housing 1 top, and the 4th opening 44 is for being positioned at the gas access of lower housing portion.In the present embodiment, catalyst is mercury chloride, under catalyst and specified temp, acetylene and chlorine hydride mixed gas body is converted into vinyl chloride.Because have employed spiral plate structure, material side is through structure, makes the flow direction of water and material gas be overall cross-current configuration, substantially increases the efficiency of heat exchange; Material side process gas flow is evenly distributed, resistance is little, gas compartment flow velocity is high, and heat transfer efficiency is high, catalyst and service life of equipment long, curvature due to helical duct is uniform, liquid flows in equipment does not have the large flow direction, and uniform force, drag overall is little, therefore have higher heat-transfer capability, its thermal efficiency is generally higher than 1 ~ 3 times of like product.
the spacing column 5 that multiple two ends support the first heat exchanger plates 21 and the second heat exchanger plates 22 is respectively provided with in first passage 31, multiple spacing dividing plate 6 is vertically provided with in second channel 32, the both sides of spacing dividing plate 6 offset with the first heat exchanger plates 21 and the second heat exchanger plates 22 respectively, second channel 32 is separated into multiple vertical single channel by spacing dividing plate 6, spacing column 5 and spacing dividing plate 6 can play the effect of support two heat exchanger channels, spacing dividing plate 6 is except playing supporting function, second channel 32 can also be separated into multiple less gas passage, and add catalyst on spacing column 5 surface, tubulation shape converter form can be simulated, compact conformation, replacing urges agent easy, reduce vapour lock, the efficiency of catalytic reaction can be increased.
first passage 31 lower end is provided with leakage fluid dram 7, and leakage fluid dram 7 is for waiting the waste liquid got rid of in first passage 31 whenever necessary, thus protective device.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (7)
1. spiral plate type chloroethylene synthesizing converter, it comprise the tubular of the perpendicular both ends open put housing (1), reel in double helix shape the first heat exchanger plates (21) and the second heat exchanger plates (22) that are arranged in described housing (1), first passage (31) and second channel (32) that double helix arranges is formed between described first heat exchanger plates (21) and described second heat exchanger plates (22), it is characterized in that: the both sides up and down of described first passage (31) are closed, the center of its spiral has the first opening (41), and the edge of its spiral has the second opening (42); The spiral center of described second channel (32) and helical margin are closed, and formation the 3rd opening (43) and the 4th opening (44) are opened wide in its upper and lower both sides, and described second channel sidewall is provided with catalyst.
2. spiral plate type chloroethylene synthesizing converter according to claim 1, it is characterized in that: described first opening (41) is for being positioned at the cooling liquid outlet on described housing (1) top, and described second opening (42) is for being positioned at the cooling fluid entrance of described lower housing portion.
3. spiral plate type chloroethylene synthesizing converter according to claim 1, is characterized in that: described 3rd opening (43) is for being positioned at the gas vent on described housing (1) top, and described 4th opening (44) is for being positioned at the gas access of described lower housing portion.
4. spiral plate type chloroethylene synthesizing converter according to claim 1, is characterized in that: be provided with the spacing column (5) that multiple two ends support described first heat exchanger plates (21) and described second heat exchanger plates (22) respectively in described first passage (31).
5. spiral plate type chloroethylene synthesizing converter according to claim 1, it is characterized in that: in described second channel (32), be vertically provided with multiple spacing dividing plate (6), the both sides of described spacing dividing plate (6) offset with described first heat exchanger plates (21) and described second heat exchanger plates (22) respectively, and described second channel (32) is separated into multiple vertical single channel by described spacing dividing plate (6).
6. spiral plate type chloroethylene synthesizing converter according to claim 5, is characterized in that: described spacing column (5) surface is provided with catalyst.
7. spiral plate type chloroethylene synthesizing converter according to claim 1, is characterized in that: described first passage (31) lower end is provided with leakage fluid dram (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712403.4U CN204220126U (en) | 2014-11-24 | 2014-11-24 | Spiral plate type chloroethylene synthesizing converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712403.4U CN204220126U (en) | 2014-11-24 | 2014-11-24 | Spiral plate type chloroethylene synthesizing converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204220126U true CN204220126U (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420712403.4U Expired - Fee Related CN204220126U (en) | 2014-11-24 | 2014-11-24 | Spiral plate type chloroethylene synthesizing converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204220126U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383859A (en) * | 2014-11-24 | 2015-03-04 | 苏州市锦翔压力容器制造有限公司 | Spiral plate type vinyl chloride synthetic converter |
| CN112044363A (en) * | 2020-08-31 | 2020-12-08 | 江苏永大化工机械有限公司 | Coupling reactor for producing ethylene glycol from coal |
-
2014
- 2014-11-24 CN CN201420712403.4U patent/CN204220126U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383859A (en) * | 2014-11-24 | 2015-03-04 | 苏州市锦翔压力容器制造有限公司 | Spiral plate type vinyl chloride synthetic converter |
| CN112044363A (en) * | 2020-08-31 | 2020-12-08 | 江苏永大化工机械有限公司 | Coupling reactor for producing ethylene glycol from coal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20191124 |