CN104383703A - Chemical distillation device for preventing heat exchanger from being blocked - Google Patents
Chemical distillation device for preventing heat exchanger from being blocked Download PDFInfo
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- CN104383703A CN104383703A CN201410635071.9A CN201410635071A CN104383703A CN 104383703 A CN104383703 A CN 104383703A CN 201410635071 A CN201410635071 A CN 201410635071A CN 104383703 A CN104383703 A CN 104383703A
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Abstract
The invention relates to a chemical distillation device for preventing a heat exchanger from being blocked. The chemical distillation device comprises a distillation kettle, a heat exchanger and a solvent receiving tank, wherein a gas-phase inlet of the heat exchanger and a liquid-phase outlet of the heat exchanger are formed in the heat exchanger; the liquid-phase outlet of the heat exchanger is connected with the solvent receiving tank through a liquid-phase pipe; a vortex solid-liquid-gas separator is also arranged between the distillation kettle and the heat exchanger; a gas-phase inlet of the separator, a gas-phase outlet of the separator and a solid-liquid outlet of the separator are formed in the vortex solid-liquid-gas separator; the distillation kettle is connected with the gas-phase inlet of the separator through a first gas-phase pipe; the gas-phase outlet of the separator is connected with the gas-phase inlet of the heat exchanger through a second gas-phase pipe; and the solid-liquid outlet of the separator is connected with the distillation kettle through a reflux pipe. The chemical distillation device is capable of effectively intercepting a solid-liquid mixture from crushing into a gas-phase channel of the heat exchanger, thus blocking caused by the fact that a solid enters the gas-phase channel of the heat exchanger is effectively reduced; the chemical distillation device is applied to practical production; the rejection rate of the heat exchanger is reduced by more than half; and a relatively good heat exchange effect is obtained.
Description
Technical field
The invention belongs to chemical industry distilling apparatus technical field, be specifically related to a kind of anti-heat exchanger blocking type chemical industry distilling apparatus.
Background technology
For a long time, in Chemical Solvents still-process, separate out along with solvent reduces solid, often occur that Yin Wendu controls bad, and cause punching material, cause solid and solvent mixture to enter condensing heat exchanger, cause heat exchanger gas phase channel to block, have a strong impact on heat transfer effect; The molten point of some solids is high-leveled and difficult in heating dredging, pipe type, and the still detachable artificial dredging of the heat exchangers such as chip, spiral plate or coiled heat exchanger etc. are then manually also difficult to dredging, have to discard.Bring very large economic loss to enterprise, the heat exchanger abandoned also can bring the problem of environmental pollution and potential safety hazard aspect.
Summary of the invention
The invention provides a kind of anti-heat exchanger blocking type chemical industry distilling apparatus, effectively can prevent the solid of punching material and solvent mixture from directly entering heat exchanger, cause gas phase channel to block.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of anti-heat exchanger blocking type chemical industry distilling apparatus, comprise distillation still, heat exchanger and solvent receiving slit, described heat exchanger is provided with heat exchanger gas phase entrance and heat exchanger liquid-phase outlet, described heat exchanger liquid-phase outlet is connected with solvent receiving slit by liquid-phase tube, eddy flow solid-liquid-gas separator is also provided with between described distillation still and heat exchanger, described eddy flow solid-liquid-gas separator is provided with separator gas phase entrance, separator gaseous phase outlet and the outlet of separator solid-liquid, described distillation still is connected with separator gas phase entrance by the first gas phase pipe, described separator gaseous phase outlet is connected with heat exchanger gas phase entrance by the second gas phase pipe, described separator solid-liquid outlet is connected with distillation still by return duct.
The present invention is by between distillation still and heat exchanger, set up the eddy flow solid-liquid-gas separator for preventing from rushing material, when rushing material and occurring, solid-liquid air-flow enters separator along the separator gas phase entrance of eddy flow solid-liquid-gas separator top sidewall, gas then gos deep into separator center separator gaseous phase outlet through separator top enters the import of heat exchanger gas phase, solid-liquid then arrives the separator solid-liquid outlet of separator bottom in the shape of a spiral downwards along the smooth cone inwall of separator, be back in distillation still through U-shaped return duct.Owing to having set up eddy flow solid-liquid-gas separator, effectively can tackle the gas phase channel that solidliquid mixture pours heat exchanger, thus effectively reduce solid and enter heat exchanger gas phase channel and cause blocking.
Preferably, described eddy flow solid-liquid-gas separator is conical structure, described separator gas phase entrance is located at eddy flow solid-liquid-gas separator top sidewall, the tangential direction that described separator gas phase enters opening's edge eddy flow solid-liquid-gas separator sidewall is arranged, described separator gaseous phase outlet is located at eddy flow solid-liquid-gas separator top, described separator gaseous phase outlet end is lower than eddy flow solid-liquid-gas separator top inner wall, described separator solid-liquid outlet is located at eddy flow solid-liquid-gas separator bottom, described eddy flow solid-liquid-gas separator inner wall smooth.Separator gaseous phase outlet is located at eddy flow solid-liquid-gas separator top center and is goed deep into separator and is about 20cm ~ 30cm, eddy flow solid-liquid-gas separator inner wall smooth, is preferably enamel.When material spray occurs, solid-liquid can obtain certain initial velocity, when this solid-liquid tangentially enters separator with certain speed, its liquid will export U-tube by separator solid-liquid and return in still under separator tapered walls screw, and gas then can rise to go out from separator gaseous phase outlet along separator center convolution and enter heat exchanger gas phase entrance through the second gas phase pipe.
Preferably, described return duct is U-shaped return duct.
Preferably, described heat exchanger is tubular heat exchanger, plate heat interchanger, spiral-plate heat exchanger or coiled heat exchanger.Owing to not installing eddy flow solid-liquid-gas separator, pipe type in prior art, the still detachable artificial dredging of the heat exchangers such as chip, spiral plate or coiled heat exchanger etc. are then manually also difficult to dredging, have to discard.And in the present invention, the heat exchanger of various kind can be applied, the scrappage of heat exchanger reduces over half, and obtains better heat transfer effect.
The invention discloses a kind of anti-heat exchanger blocking type chemical industry distilling apparatus, by between distillation still and heat exchanger, set up the eddy flow solid-liquid-gas separator for preventing from rushing material, effectively can tackle the gas phase channel that solidliquid mixture pours heat exchanger, thus effectively reduce solid and enter heat exchanger gas phase channel and cause blocking.This device is applied in actual production, and effect is fine, and the scrappage of heat exchanger reduces over half, and obtains better heat transfer effect, greatly reduces production cost, reduces and safeguards, extend the service life of equipment.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the structural representation of a kind of anti-heat exchanger blocking type chemical industry distilling apparatus embodiment 1 of the present invention;
Fig. 2 is the structural representation of eddy flow solid-liquid-gas separator in the embodiment of the present invention 1.
Detailed description of the invention
As shown in Fig. 1 to 2, for the preferred embodiment 1 of a kind of anti-heat exchanger blocking type chemical industry distilling apparatus of the present invention, comprise distillation still 1, heat exchanger 3 and solvent receiving slit 4, described heat exchanger 3 is provided with heat exchanger gas phase entrance 31 and heat exchanger liquid-phase outlet 32, described heat exchanger liquid-phase outlet 32 is connected with solvent receiving slit 4 by liquid-phase tube 5, eddy flow solid-liquid-gas separator 2 is also provided with between described distillation still 1 and heat exchanger 3, described eddy flow solid-liquid-gas separator 2 is provided with separator gas phase entrance 21, separator gaseous phase outlet 22 and separator solid-liquid outlet 23, described distillation still 1 is connected with separator gas phase entrance 21 by the first gas phase pipe 6, described separator gaseous phase outlet 22 is connected with heat exchanger gas phase entrance 31 by the second gas phase pipe 7, described separator solid-liquid outlet 23 is connected with distillation still 1 by return duct 8.
Between distillation still 1 and heat exchanger 3, set up the eddy flow solid-liquid-gas separator 2 for preventing from rushing material, when rushing material and occurring, solid-liquid air-flow enters separator along separator gas phase entrance 21 tangent line of eddy flow solid-liquid-gas separator 2 top sidewall, gas then enters heat exchanger gas phase import 31 through the separator gaseous phase outlet 22 of separator top center, solid-liquid then arrives the separator solid-liquid outlet 23 of separator bottom downwards along the smooth cone spiral inner wall of separator, be back in distillation still 1 through U-shaped return duct.Owing to having set up eddy flow solid-liquid-gas separator 2, effectively can tackle the gas phase channel that solidliquid mixture pours heat exchanger 3, thus effectively reduce solid and enter heat exchanger 3 gas phase channel and cause blocking.
As shown in Figure 2, described eddy flow solid-liquid-gas separator 2 is conical structure, described separator gas phase entrance 21 is located at eddy flow solid-liquid-gas separator 2 top sidewall, described separator gas phase entrance 21 is arranged along the tangential direction of eddy flow solid-liquid-gas separator 2 sidewall, described separator gaseous phase outlet 22 is located at eddy flow solid-liquid-gas separator 2 top, described separator gaseous phase outlet 22 end is lower than eddy flow solid-liquid-gas separator 2 top inner wall, the degree of depth that separator gaseous phase outlet end gos deep into separator is about 20cm ~ 30cm, described separator solid-liquid outlet 23 is located at bottom eddy flow solid-liquid-gas separator 2, described eddy flow solid-liquid-gas separator 2 inner wall smooth, be preferably enamel material.
When material spray occurs, solid-liquid can obtain certain initial velocity, when this solid-liquid tangentially enters separator with certain speed, its liquid will export U-tube by separator solid-liquid and return in distillation still under separator tapered walls screw, and gas then can rise to go out from separator gaseous phase outlet along separator center convolution and enter heat exchanger gas phase entrance through the second gas phase pipe.Eddy flow solid-liquid-gas separator 2 also can adopt cyclone separator on the market, solid-liquid-gas can be separated.
Described return duct 8 is U-shaped return duct.
Described heat exchanger 3 is tubular heat exchanger, plate heat interchanger, spiral-plate heat exchanger or coiled heat exchanger.
The foregoing is only specific embodiments of the invention, but technical characteristic of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (4)
1. an anti-heat exchanger blocking type chemical industry distilling apparatus, comprise distillation still (1), heat exchanger (3) and solvent receiving slit (4), described heat exchanger (3) is provided with heat exchanger gas phase entrance (31) and heat exchanger liquid-phase outlet (32), described heat exchanger liquid-phase outlet (32) is connected with solvent receiving slit (4) by liquid-phase tube (5), it is characterized in that: between described distillation still (1) and heat exchanger (3), be also provided with eddy flow solid-liquid-gas separator (2), described eddy flow solid-liquid-gas separator (2) is provided with separator gas phase entrance (21), separator gaseous phase outlet (22) and separator solid-liquid outlet (23), described distillation still (1) is connected with separator gas phase entrance (21) by the first gas phase pipe (6), described separator gaseous phase outlet (22) is connected with heat exchanger gas phase entrance (31) by the second gas phase pipe (7), described separator solid-liquid outlet (23) is connected with distillation still (1) by return duct (8).
2. one according to claim 1 anti-heat exchanger blocking type chemical industry distilling apparatus, it is characterized in that: described eddy flow solid-liquid-gas separator (2) is conical structure, described separator gas phase entrance (21) is located at eddy flow solid-liquid-gas separator (2) top sidewall, described separator gas phase entrance (21) is arranged along the tangential direction of eddy flow solid-liquid-gas separator (2) sidewall, described separator gaseous phase outlet (22) is located at eddy flow solid-liquid-gas separator (2) top, described separator gaseous phase outlet (22) end is lower than eddy flow solid-liquid-gas separator (2) top inner wall, described separator solid-liquid outlet (23) is located at eddy flow solid-liquid-gas separator (2) bottom, described eddy flow solid-liquid-gas separator (2) inner wall smooth.
3. one according to claim 1 anti-heat exchanger blocking type chemical industry distilling apparatus, is characterized in that: described return duct (8) is U-shaped return duct.
4. one according to claim 3 anti-heat exchanger blocking type chemical industry distilling apparatus, is characterized in that: described heat exchanger (3) is tubular heat exchanger, plate heat interchanger, spiral-plate heat exchanger or coiled heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635071.9A CN104383703A (en) | 2014-11-12 | 2014-11-12 | Chemical distillation device for preventing heat exchanger from being blocked |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635071.9A CN104383703A (en) | 2014-11-12 | 2014-11-12 | Chemical distillation device for preventing heat exchanger from being blocked |
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| CN104383703A true CN104383703A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410635071.9A Pending CN104383703A (en) | 2014-11-12 | 2014-11-12 | Chemical distillation device for preventing heat exchanger from being blocked |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339803A (en) * | 2019-08-13 | 2019-10-18 | 江苏和纯化学工业有限公司 | Sodium hypophosphite reaction kettle surge tank anti-blockage structure |
| CN111151021A (en) * | 2019-12-28 | 2020-05-15 | 刘金云 | Prevent stifled type chemical industry distillation plant of heat exchanger |
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| JPS61161189A (en) * | 1985-01-07 | 1986-07-21 | Hitachi Ltd | Sea water desalting device |
| CN103253820A (en) * | 2013-06-03 | 2013-08-21 | 江苏中圣高科技产业有限公司 | Efficient liquid zero-discharge wastewater treatment method and system |
| CN203428942U (en) * | 2013-07-23 | 2014-02-12 | 朱宝泉 | Evaporative condensation type sea water desalination device |
| CN204193541U (en) * | 2014-11-12 | 2015-03-11 | 浙江中山化工集团股份有限公司 | A kind of anti-heat exchanger blocking type chemical industry distilling apparatus |
-
2014
- 2014-11-12 CN CN201410635071.9A patent/CN104383703A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61161189A (en) * | 1985-01-07 | 1986-07-21 | Hitachi Ltd | Sea water desalting device |
| CN103253820A (en) * | 2013-06-03 | 2013-08-21 | 江苏中圣高科技产业有限公司 | Efficient liquid zero-discharge wastewater treatment method and system |
| CN203428942U (en) * | 2013-07-23 | 2014-02-12 | 朱宝泉 | Evaporative condensation type sea water desalination device |
| CN204193541U (en) * | 2014-11-12 | 2015-03-11 | 浙江中山化工集团股份有限公司 | A kind of anti-heat exchanger blocking type chemical industry distilling apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 迪玛: "旋转超空泡蒸发器水动力学特性研究", 《中国博士学位论文全文数据库 基础科学辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339803A (en) * | 2019-08-13 | 2019-10-18 | 江苏和纯化学工业有限公司 | Sodium hypophosphite reaction kettle surge tank anti-blockage structure |
| CN111151021A (en) * | 2019-12-28 | 2020-05-15 | 刘金云 | Prevent stifled type chemical industry distillation plant of heat exchanger |
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