CN205710514U - A kind of purifying ethylene glycol piece-rate system - Google Patents

A kind of purifying ethylene glycol piece-rate system Download PDF

Info

Publication number
CN205710514U
CN205710514U CN201620378201.XU CN201620378201U CN205710514U CN 205710514 U CN205710514 U CN 205710514U CN 201620378201 U CN201620378201 U CN 201620378201U CN 205710514 U CN205710514 U CN 205710514U
Authority
CN
China
Prior art keywords
ethylene glycol
adsorption layer
rectifying column
dehydrating tower
tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620378201.XU
Other languages
Chinese (zh)
Inventor
徐祎彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaian Saili Chemical Co Ltd
Original Assignee
Huaian Saili Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaian Saili Chemical Co Ltd filed Critical Huaian Saili Chemical Co Ltd
Priority to CN201620378201.XU priority Critical patent/CN205710514U/en
Application granted granted Critical
Publication of CN205710514U publication Critical patent/CN205710514U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

This utility model relates to a kind of purifying ethylene glycol piece-rate system, including ethylene glycol tank, pump, water tank, heater, first rectifying column, dehydrating tower, Second distillation column and drainer, described water tank is connected by heater and the first rectifying column lower end, described first rectifying column is sequentially provided with heat reclaim unit from top to bottom, condensing unit, reboiler, first adsorption layer and the second adsorption layer, described ethylene glycol tank is connected by pump and the first rectifying column, described ethylene glycol tank is arranged between the first adsorption layer and the second adsorption layer, described drainer is connected with condensing unit by pump, described heat reclaim unit is connected with dehydrating tower lower end, described heat reclaim unit is connected with Second distillation column lower end, described condensing unit lower end is connected with dehydrating tower, described dehydrating tower is connected with Second distillation column;This utility model carries out refining spearation to ethylene glycol solution, effectively removes the moisture in ethylene glycol solution and other impurity, is effectively increased the purification efficiency of ethylene glycol.

Description

A kind of purifying ethylene glycol piece-rate system
Technical field
This utility model belongs to drying equipment technical field, is specifically related to a kind of purifying ethylene glycol piece-rate system.
Background technology
Purifying ethylene glycol piece-rate system is to produce the key equipment of ethylene glycol, under normal circumstances, after ethylene glycol solution heat drying, by evaporated for the unnecessary water in glycol water, again after heat exchanger condenses, deliver to purifying ethylene glycol tower and carry out refined purification, can be prepared by ethylene glycol product.But, at present due to ethylene glycol solution condensation and dry time incomplete so that in condensed fluid, the content of ethylene glycol is higher, and device can be produced certain impact, makes the device cannot be properly functioning;Meanwhile, in order to be sufficiently separated purification ethylene glycol, increase lime set capacity of returns, thus cause the addition of external world's steam at the bottom of tower, cause the increase of energy resource consumption.
Utility model content
This utility model is for the deficiencies in the prior art, it is provided that a kind of purifying ethylene glycol piece-rate system, to solve problems of the prior art.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of purifying ethylene glycol piece-rate system, it is characterized in that: include ethylene glycol tank, pump, water tank, heater, first rectifying column, dehydrating tower, Second distillation column and drainer, described water tank is connected by heater and the first rectifying column lower end, described first rectifying column is sequentially provided with heat reclaim unit from top to bottom, condensing unit, reboiler, first adsorption layer and the second adsorption layer, described ethylene glycol tank is connected by pump and the first rectifying column, described ethylene glycol tank is arranged between the first adsorption layer and the second adsorption layer, described drainer is connected with condensing unit by pump, described heat reclaim unit is connected with dehydrating tower lower end, described heat reclaim unit is connected with Second distillation column lower end, described condensing unit lower end is connected with dehydrating tower, described dehydrating tower is connected with Second distillation column.
As a kind of improvement of the present utility model, in described condensing unit, it is provided with spray equipment.
As a kind of improvement of the present utility model, in described first rectifying column, it is provided with thermometer and Pressure gauge.
Owing to have employed above technology, this utility model compared with the prior art, has the advantage that as follows:
This utility model is a kind of simple in construction, a kind of purifying ethylene glycol piece-rate system safe and reliable, easy to use, with low cost, this utility model can carry out refining spearation to ethylene glycol solution, effectively remove the moisture in ethylene glycol solution and other impurity, effectively ethylene glycol can be purified, be effectively increased the purification efficiency of ethylene glycol;This utility model, by ethylene glycol is carried out secondary purification, is effectively increased the efficiency that ethylene glycol purifies;This utility model is provided with heat reclaim unit, the heat in the first rectifying column can be recycled, and provide heat for dehydrating tower and Second distillation column, be effectively saved resource, effectively prevent the waste of resource.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of purifying ethylene glycol piece-rate system;
In figure: 1, ethylene glycol tank, 2, pump, 3, water tank, 4, heater, the 5, first rectifying column, 6, dehydrating tower, 7, Second distillation column, 8, drainer, 9, heat reclaim unit, 10, condensing unit, 11, reboiler, the 12, first adsorption layer, the 13, second adsorption layer, 14, thermometer, 15, Pressure gauge.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, it is further elucidated with this utility model.
nullVisible in conjunction with accompanying drawing,A kind of purifying ethylene glycol piece-rate system,Including ethylene glycol tank 1、Pump 2、Water tank 3、Heater 4、First rectifying column 5、Dehydrating tower 6、Second distillation column 7 and drainer 8,Described water tank 3 is connected with the first rectifying column 5 lower end by heater 4,Described first rectifying column 5 is sequentially provided with heat reclaim unit 9 from top to bottom、Condensing unit 10、Reboiler 11、First adsorption layer 12 and the second adsorption layer 13,Described ethylene glycol tank 1 is connected with the first rectifying column 5 by pump 2,Described ethylene glycol tank 1 is arranged between the first adsorption layer 12 and the second adsorption layer 13,Described drainer 8 is connected with condensing unit 10 by pump 2,Described heat reclaim unit 9 is connected with dehydrating tower 6 lower end,Described heat reclaim unit 9 is connected with Second distillation column 7 lower end,Described condensing unit 10 lower end is connected with dehydrating tower 6,Described dehydrating tower 6 is connected with Second distillation column 7.
It is provided with spray equipment in described condensing unit 10, condensed fluid can be ejected by spray equipment, the contact area of condensed fluid and ethylene glycol solution can be effectively increased, be effectively increased the efficiency of separation.
Be provided with thermometer 14 and Pressure gauge 15 in described first rectifying column 5, the temperature and pressure in the first rectifying column can be controlled and regulate, prevent temperature too high or hypertonia and equipment is produced certain impact.
nullThis utility model,Specifically used process is as follows: be passed through by the ethylene glycol solution in ethylene glycol tank 1 between first adsorption layer 12 and second adsorption layer 13 of the first rectifying column 5,It is passed through the first rectifying column 5 lower end after being heated by heater 4 by water for industrial use in water tank 3,After water for industrial use after heating is adsorbed by the second adsorption layer 13,Mix with ethylene glycol solution,And after the first adsorption layer 12 adsorbs,After reboiler 11 heats,It is vaporized into gas,Condensed fluid in drainer 8 is in pump 2 enters condensing unit 10,And the spray equipment in condensing unit 10 sprays,After making condensed fluid and mixing containing ethylene glycol gas and condense,It is dehydrated in condensed liquid is sent into dehydrating tower 6,And carry out secondary rectification in the liquid after dehydration is sent into Second distillation column 7,I.e. can get ethylene glycol.
After heat in first rectifying column 5 is reclaimed by the heat reclaim unit 9 in the first rectifying column 5, the heat collected is imported dehydrating tower 6 and Second distillation column 7, and provides heat for dehydrating tower 6 and Second distillation column 7, effectively prevent the waste of resource.
Above-described embodiment is only optimal technical scheme of the present utility model; and it is not construed as restriction of the present utility model; the technical scheme that protection domain of the present utility model should be recorded with claim; it is protection domain including the equivalents of technical characteristic in the technical scheme that claim is recorded; equivalent the most in this range is improved, also within protection domain of the present utility model.

Claims (3)

1. a purifying ethylene glycol piece-rate system, it is characterized in that: include ethylene glycol tank, pump, water tank, heater, first rectifying column, dehydrating tower, Second distillation column and drainer, described water tank is connected by heater and the first rectifying column lower end, described first rectifying column is sequentially provided with heat reclaim unit from top to bottom, condensing unit, reboiler, first adsorption layer and the second adsorption layer, described ethylene glycol tank is connected by pump and the first rectifying column, described ethylene glycol tank is arranged between the first adsorption layer and the second adsorption layer, described drainer is connected with condensing unit by pump, described heat reclaim unit is connected with dehydrating tower lower end, described heat reclaim unit is connected with Second distillation column lower end, described condensing unit lower end is connected with dehydrating tower, described dehydrating tower is connected with Second distillation column.
A kind of purifying ethylene glycol piece-rate system the most according to claim 1, it is characterised in that: it is provided with spray equipment in described condensing unit.
A kind of purifying ethylene glycol piece-rate system the most according to claim 1, it is characterised in that: it is provided with thermometer and Pressure gauge in described first rectifying column.
CN201620378201.XU 2016-04-29 2016-04-29 A kind of purifying ethylene glycol piece-rate system Expired - Fee Related CN205710514U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620378201.XU CN205710514U (en) 2016-04-29 2016-04-29 A kind of purifying ethylene glycol piece-rate system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620378201.XU CN205710514U (en) 2016-04-29 2016-04-29 A kind of purifying ethylene glycol piece-rate system

Publications (1)

Publication Number Publication Date
CN205710514U true CN205710514U (en) 2016-11-23

Family

ID=57291983

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620378201.XU Expired - Fee Related CN205710514U (en) 2016-04-29 2016-04-29 A kind of purifying ethylene glycol piece-rate system

Country Status (1)

Country Link
CN (1) CN205710514U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110437079A (en) * 2019-08-26 2019-11-12 山东齐鲁石化工程有限公司 The process system of diethylamine and triethylamine is recycled from waste water
CN111848349A (en) * 2020-07-01 2020-10-30 桐昆集团股份有限公司 Continuous refining plant of ethylene glycol

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110437079A (en) * 2019-08-26 2019-11-12 山东齐鲁石化工程有限公司 The process system of diethylamine and triethylamine is recycled from waste water
CN111848349A (en) * 2020-07-01 2020-10-30 桐昆集团股份有限公司 Continuous refining plant of ethylene glycol

Similar Documents

Publication Publication Date Title
CN101549929B (en) Method for distilling absorption type negative-pressure thermal cycle coking wastewater
CN205710514U (en) A kind of purifying ethylene glycol piece-rate system
CN204400885U (en) The purification and recover equipment of solvent dimethyl sulfoxide (DMSO) in a kind of carbon fiber production process
CN102489118A (en) Method for recovering solvent in non-condensable gas containing solvent vapor and device thereof
CN205832659U (en) Ethylene glycol distills multistage energy recovery system
CN202460416U (en) Recovery device of solvent in non-condensable gas containing solvent steam
CN210214856U (en) Energy-efficient surplus aqueous ammonia distillation plant
CN203833908U (en) Natural gas deacidifying device
CN203200051U (en) Device for separating and recycling iron salt and hydrochloric acid in hydrochloric acid pickling waste liquid
CN104418723B (en) The recovery method of trade effluent dilute formic acid and device
CN205402671U (en) Novel evaporate cauldron waste heat comprehensive recovery system that presses
CN207307226U (en) A kind of methanol rectification recovery system
CN203754648U (en) Online tar oil fractionation and dedusting system
CN205300299U (en) Device of noncondensable gas in vertical condenser of desorption
CN106496069A (en) The energy saver and power-economizing method of acetonitrile refining system
CN103007565B (en) Method and device for triple-effect separation of methylbenzene and polyethylene
CN203989925U (en) A kind of heat pump distillation energy saver
CN207745672U (en) A kind of waste gas condensation tower suitable for polyester process
CN209378483U (en) A kind of energy-saving rectifying tower
CN203736879U (en) Extracted water evaporating and concentrating system
CN204051037U (en) Furfural continuous rectification apparatus
CN103773419B (en) System and method for on-line fractionation and dust removal of tar
CN209522828U (en) Natual gas dehydrate unit
CN205710513U (en) A kind of ethylene glycol continuous feeding production
CN203298522U (en) Waste heat recovery and utilization system applied during production process of ethylene oxide equipment

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: 20161123

Termination date: 20170429