CN201949674U - Chemical decompression rectification device - Google Patents
Chemical decompression rectification device Download PDFInfo
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- CN201949674U CN201949674U CN201020698718XU CN201020698718U CN201949674U CN 201949674 U CN201949674 U CN 201949674U CN 201020698718X U CN201020698718X U CN 201020698718XU CN 201020698718 U CN201020698718 U CN 201020698718U CN 201949674 U CN201949674 U CN 201949674U
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- steamer
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Abstract
The utility model relates to a chemical decompression rectification device which belongs to the technical field of chemical equipment and comprises a still, a packing tower, a condenser, a buffer tank, a balance tank, and the like, wherein the packing tower is arranged on the still; the condenser is arranged above the packing tower; the balance tank is arranged under the condenser; one side of the still is provided with a front rectification receiving tank, a back rectification receiving tank and a product receiving tank; the front rectification receiving tank and the back rectification receiving tank are respectively connected with the still through a pipeline; the buffer tank is connected with the balance tank through a communicating pipe C; the gas on the top of the packing tower of the rectification device directly enters the condenser by self lift force; condensate liquid naturally flows backwards into the packing tower by self gravity; stable and convenient performance of rectification and separation operation can be ensured; and the problems of much investment, large land occupation and poor equipment running stability of traditional equipment are solved. The rectification device can effectively reduce the phenomena of oxidization, polymerization, coking and the like in the process of rectification, and provide guarantee for producing high-quality products.
Description
Technical field:
The utility model relates to a kind of chemical industry rectification under vacuum device, belongs to the chemical plant installations equipment technical field.
Background technology:
Rectifier unit is a chemical production field main equipment commonly used, the tradition rectifier unit is made of reboiler, rectifying column, preheater and condenser, during work, material liquid is after preheater is heated to design temperature, enter into rectifying column, on the feedboard of rectifying column, carry out the exchange of matter and energy with the liquid of reflux in tower and the gas of rising.Its defective is that this equipment backflow part is provided with backflow medial launder, reflux pump and corresponding pipeline valve and regulating system, makes that equipment investment is many, it is big to take up an area of, and staff's operation and maintenance amount are big, and the operation stability of equipment is poor.
Summary of the invention:
The purpose of this utility model is: provide a kind of simple in structure, invest little, take up an area of few, stable chemical industry rectification under vacuum device.
The utility model is to realize above-mentioned purpose by the following technical solutions:
A kind of chemical industry rectification under vacuum device, it by distillation still, packed tower, condenser, surge tank, compensator, product pans, preceding heat up in a steamer pans, after heat up in a steamer pans and constitute, it is characterized in that: distillation still is provided with packed tower, the packed tower top is provided with condenser, and the condenser below is provided with the compensator that is communicated with condenser; Heat up in a steamer before one side of distillation still is disposed with pans, after heat up in a steamer pans and product pans, preceding heat up in a steamer pans with after heat up in a steamer pans and be connected with distillation still respectively by pipeline; One side of product pans is provided with surge tank and vacuum unit; The vacuum unit is connected with surge tank by pipeline, and surge tank is connected with compensator by communicating pipe C; Described compensator is connected with the product pans with packed tower respectively with communicating pipe B by communicating pipe A, is separately installed with flowmeter A and flowmeter B on communicating pipe A and the communicating pipe B; Before heat up in a steamer pans with after heat up in a steamer pans and be connected with communicating pipe C with communicating pipe B respectively by pipeline.
The beneficial effects of the utility model are:
This chemical industry rectification under vacuum apparatus structure is simple, by feed pipe crude product is squeezed in the distillation still, crude product heating vaporization back enters packed tower at the bottom of tower, after being liquid, condenser condenses falls into compensator entering from cat head, distribute by flowmeter A, B, a part refluxes and enters packed tower top, and a part enters in the receiving tank in addition, and a small amount of high-boiling components remains in the distillation still emits by the still bottom valve.The condenser of this chemical industry rectification under vacuum device is arranged at the top of packed tower, and be communicated with packed tower sealing, the gas at packed tower top directly enters in the condenser by the lift of self, condensate liquid refluxes by the self gravitation spontaneous combustion and enters packed tower, guaranteed that the rectifying lock out operation is stablized, carried out easily, avoided legacy equipment investment many, take up an area of greatly and the problem of stable equipment operation difference.This chemical industry rectification under vacuum device can reduce phenomenons such as oxidation, polymerization, coking effectively in distillation process, provide guarantee for producing high-quality product.
Description of drawings:
Accompanying drawing is the structural representation of chemical industry rectification under vacuum device.
Among the figure: 1, distillation still, 2, packed tower, 3, condenser, 4, surge tank, 5, compensator, 6, the product pans, 7, the preceding pans that heat up in a steamer, 8, after heat up in a steamer pans, 9, pipeline, 10, vacuum unit, 11, communicating pipe C, 12, communicating pipe A, 13, communicating pipe B, 14, flowmeter A, 15, flowmeter B, 16, feed pipe.
The specific embodiment:
This chemical industry rectification under vacuum device by distillation still 1, packed tower 2, condenser 3, surge tank 4, compensator 5, product pans 6, preceding heat up in a steamer pans 7, after heat up in a steamer pans 8 and constitute, distillation still 1 top is provided with packed tower 2, packed tower 2 over top are provided with condenser 3, condenser 3 is communicated with packed tower 2 sealings, and condenser 3 belows are provided with the compensator 5 that is communicated with condenser 3.
Heat up in a steamer before one side of distillation still 1 is disposed with pans 7, after heat up in a steamer pans 8 and product pans 6, preceding heat up in a steamer pans 7 with after heat up in a steamer pans 8 and be connected with distillation still 1 respectively by pipeline 9; One side of product pans 6 is provided with surge tank 4 and vacuum unit 10; Vacuum unit 10 is connected with surge tank 4 by pipeline 9.
During this chemical industry rectification under vacuum device work, crude product is squeezed in the distillation still 1 by feed pipe 16, open vacuum unit 10 also by the atmospheric valve control system negative pressure on the surge tank 4, make negative pressure connect compensator 5 by communicating pipe C11, open the temperature of distillation still 1 chuck heater control distillation still 1 then, crude product heating vaporization back enters packed tower 2 at the bottom of the tower of packed tower 2, and after entering condenser 3 and be condensed into liquid from the cat head of packed tower 2, fall into compensator 5, enter communicating pipe A12 and communicating pipe B13 respectively from pipeline 9, condensate liquid is by flowmeter A14 and flowmeter B15 row distribution respectively in this process, a part refluxes and enters packed tower 2 tops, a part enters in the receiving tank in addition, heat up in a steamer before wherein foreshot enters in the receiving tank 7, product enters in the product receiving tank 6, heats up in a steamer after after cut enters in the receiving tank 8, and a small amount of high-boiling components remains in the distillation still 1 emits by the valve at the bottom of the still.
The gas at these chemical industry rectification under vacuum device packed tower 2 tops directly enters in the condenser 3 by the lift of self, condensate liquid refluxes by the self gravitation spontaneous combustion and enters packed tower 2, guaranteed that the rectifying lock out operation is stablized, carried out easily, avoided legacy equipment investment many, take up an area of greatly and the problem of stable equipment operation difference.This chemical industry rectification under vacuum device can reduce phenomenons such as oxidation, polymerization, coking effectively in distillation process, provide guarantee for producing high-quality product.
Claims (1)
1. chemical industry rectification under vacuum device, it by distillation still (1), packed tower (2), condenser (3), surge tank (4), compensator (5), product pans (6), preceding heat up in a steamer pans (7), after heat up in a steamer pans (8) and constitute, it is characterized in that: distillation still (1) is provided with packed tower (2), packed tower (2) top is provided with condenser (3), and condenser (3) below is provided with the compensator (5) that is communicated with condenser (3); Heat up in a steamer before one side of distillation still (1) is disposed with pans (7), after heat up in a steamer pans (8) and product pans (6), preceding heat up in a steamer pans (7) with after heat up in a steamer pans (8) and be connected with distillation still (1) respectively by pipeline (9); One side of product pans (6) is provided with surge tank (4) and vacuum unit (10); Vacuum unit (10) is connected with surge tank (4) by pipeline (9), and surge tank (4) is connected with compensator (5) by communicating pipe C (11); Described compensator (5) is connected with product pans (6) with packed tower (2) respectively with communicating pipe B (13) by communicating pipe A (12), is separately installed with flowmeter A (14) and flowmeter B (15) on communicating pipe A (12) and the communicating pipe B (13); Before heat up in a steamer pans (7) with after heat up in a steamer pans (8) and be connected with communicating pipe C (11) with communicating pipe B (13) respectively by pipeline (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020698718XU CN201949674U (en) | 2010-12-30 | 2010-12-30 | Chemical decompression rectification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020698718XU CN201949674U (en) | 2010-12-30 | 2010-12-30 | Chemical decompression rectification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201949674U true CN201949674U (en) | 2011-08-31 |
Family
ID=44493803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020698718XU Expired - Fee Related CN201949674U (en) | 2010-12-30 | 2010-12-30 | Chemical decompression rectification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201949674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289005A (en) * | 2013-10-24 | 2015-01-21 | 高邮市助剂厂 | Liquid-sealed distillation equipment |
| CN110508021A (en) * | 2019-09-03 | 2019-11-29 | 济宁康德瑞化工科技有限公司 | A kind of isopropylhydroxyla distillation system of high yield |
-
2010
- 2010-12-30 CN CN201020698718XU patent/CN201949674U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289005A (en) * | 2013-10-24 | 2015-01-21 | 高邮市助剂厂 | Liquid-sealed distillation equipment |
| CN110508021A (en) * | 2019-09-03 | 2019-11-29 | 济宁康德瑞化工科技有限公司 | A kind of isopropylhydroxyla distillation system of high yield |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20111230 |