CN107970628A - Triple effect falling liquid film low-temperature vacuum thickener - Google Patents
Triple effect falling liquid film low-temperature vacuum thickener Download PDFInfo
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- CN107970628A CN107970628A CN201610914829.1A CN201610914829A CN107970628A CN 107970628 A CN107970628 A CN 107970628A CN 201610914829 A CN201610914829 A CN 201610914829A CN 107970628 A CN107970628 A CN 107970628A
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- falling film
- film evaporator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
Abstract
Triple effect falling liquid film low-temperature vacuum thickener, is related to a kind of concentrated liquid enrichment facility.Including concentration systems and condensation water recovery system.Feed liquid circulation is equipped between each falling film evaporator of the system to pump, and is conducive to circulating and being conveyed between respectively imitating for material.System structure is compact, and the liquid storage amount residued at the end of operation in device is few, and loss is small.Each gas-liquid separator separates effect is good, and loss is few, high income.Steam homogeneous heating, feed liquid are liquid film type flow evaporation, so with the main feature such as heat transfer efficiency high heating time is short.
Description
Technical field
It is specially a kind of triple effect falling liquid film ground low-temperature vacuum thickener the present invention relates to a kind of concentrated liquid enrichment facility.
Background technology
It is well known that all using means concentrated liquids such as liquid heating or natural evaporations in existing tradition concentration, and
And the fragrance loss of traditional concentrated liquid is more, energy consumption is big.
The content of the invention
The purpose of the present invention is present invention aims at design a kind of liquid concentration machine to keep the original fragrance color of liquid
Gas, and the triple effect falling liquid film low-temperature vacuum thickener with low energy consumption.
Realizing the technical solution of above-mentioned purpose is：Triple effect falling liquid film low-temperature vacuum thickener, it is characterised in that：It is including concentration
System and condensation water recovery system；
The concentration systems include head tank, recycling can, four feed liquid circulation pumps, three falling film evaporators, condenser, three gas
Liquid/gas separator, baffle heater and spinner flowmeter, the upper end of the first falling film evaporator are connected with steam inlet pipe, the first falling liquid film
The lower end of evaporator is connected with the first condensation water recovery system, and the head tank and the first feed liquid circulation pump connect, first circulation
Pump is connected by plate heat exchanger with spinner flowmeter, the port of export of the spinner flowmeter and the first falling film evaporator input end
Connection, the port of export of the first falling film evaporator is pumped respectively with the second feed liquid circulation and the input end of the first gas-liquid separator is connected,
The port of export of first gas-liquid separator is connected with the input end of the second falling film evaporator, the port of export of the second feed liquid circulation pump
The input end with the first falling film evaporator and the second falling film evaporator is connected respectively, the port of export of the second falling film evaporator respectively with
3rd feed liquid circulation pump is connected with the input end of the second gas-liquid separator, and the port of export of the second gas-liquid separator and the 3rd falling liquid film steam
Send out the input end connection of device, the port of export of the 3rd feed liquid circulation pump respectively with the second falling film evaporator and the 3rd falling film evaporation
The input end connection of device, the port of export of the 3rd falling film evaporator respectively with the 4th feed liquid circulation pump and the 3rd gas-liquid separator into
The connection of mouthful end, the port of export of the 3rd gas-liquid separator are connected with condenser, the port of export that the 4th feed liquid circulation pumps respectively with
Input end, the concentrate of 3rd falling film evaporator are connected using system with recycling can, and the recycling can and the first feed liquid circulation pump
Input end connection.
The condensation water recovery system includes condensate pipe, the condenser in concentration systems, condensate water pot and condensate pump, institute
State the second falling film evaporator, the 3rd falling film evaporator, the second gas-liquid separator, the 3rd gas-liquid separator and condenser and pass through condensation
Pipe is connected, and the port of export of condenser and the inlet communication of condensate water pot, the port of export of condensate water pot are connected with condensate pump, condensate
The port of export of pump is connected by baffle heater with the second condensation water recovery system.
Optimally, present invention additionally comprises there is pumped vacuum systems, the pumped vacuum systems includes pressure blank pipe, vacuum pump and vacuum
Condensation water tank, second falling film evaporator, the 3rd falling film evaporator, the second gas-liquid separator, the 3rd gas-liquid separator, condensation
By pressing blank pipe to be connected, the port of export of vacuum pump is connected with vacuum condensation water tank for device, condensate water pot and vacuum pump.
Optimally, present invention additionally comprises pipeline cleaning system, the pipeline cleaning system includes sour tank, alkali tank, is sour tank
The raw material supply tank of raw material is provided with alkali tank, the input end of the acid tank and alkali tank is connected to dispensing water pipe, described
Dispensing is connected with input end of the water pipe also respectively with three falling film evaporators；The port of export of the acid tank and alkali tank connects respectively
There are compressed air line and cleaning water lines, the port of export of the acid tank and alkali tank also passes through pipeline and three falling film evaporations respectively
The input end connection of device, cleaning solution circulating pump is provided between sour tank, alkali tank and three falling film evaporator connecting lines.
The course of work of the present invention：Raw material is pumped by the first feed liquid circulation and introduced, then is measured through spinner flowmeter into board-like
Preheater, enters at the top of the first falling film evaporator, through distributor, the falling liquid film along heat-transfer pipe flows down material liquid, and feed liquid is added after preheating
Thermal evaporation, vapour-liquid enter the separation chamber of the first falling film evaporator bottom, and indirect steam enters the first gas-liquid separator, and removing is carried under one's arms
Liquid foam after, into the second falling film evaporator, the heat source as the second falling film evaporator.Concentrate in first falling film evaporator
When reaching certain liquid level, into the entrance of the second feed liquid circulation pump, part concentrate returns to first through the second feed liquid circulation pump
Falling film evaporator, part are sent into the second falling film evaporator and are fed as circulation fluid.Heating steam is entered by the first gas-liquid separator
Second falling film evaporator, by liquid falling film feed liquid heating vaporization in pipe while itself is condensed.The material of 3rd falling film evaporator
Liquid is pumped by the 3rd feed liquid circulation and introduced, and concentration reaches requirement（Determined by densitometer）, concentrate is pumped into by the 3rd feed liquid circulation
Using system, concentration not up to enters recycling can to what is required, then by being pumped with concentrating tank connected 3rd feed liquid circulation
Enter the first falling film evaporator to be concentrated again.
The heating steam utilization boiler life steam of first falling film evaporator, steam enter first through steam pressure-reducing voltage-stabilizing system
Falling film evaporator.Enter cool condensed water recovering system through drain valve after steam condensation.
The condensed water pipe of condensed water of second falling film evaporator enters the 3rd falling film evaporator, with the 3rd falling film evaporator
Condensed water enters condenser after converging and condenses, and finally enters condensate water pot.Perforate is connected with condensate pump on condensate water pot, by solidifying
Condensed water is transported to condensate water pot by water pump.
Pumped vacuum systems is connected with condenser Shanghai, by vacuum pumped incoagulable gas and maintains system for content
Negative pressure.
System sets cleaning system, and by PLC processing, cleaning solution passes through cleaning solution circulating pump, enters system by control valve
System cleaning, it is ensured that system is cleaned on the spot without blocking, realization, and complete equipment is easy to operate, no dead angle.
Beneficial effects of the present invention：Feed liquid circulation is equipped between each falling film evaporator of the system to pump, and is conducive to following for material
Circulation is moved and conveyed between respectively imitating.System structure is compact, and the liquid storage amount residued at the end of operation in device is few, and loss is small.Respectively
Gas-liquid separator separates effect is good, and loss is few, high income.Steam homogeneous heating, feed liquid are liquid film type flow evaporation, so having
The main features such as heat transfer efficiency high heating time is short.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
As shown in Figure 1, the present invention includes pumped vacuum systems 2, condensation water recovery system 3, pipeline cleaning system 4 and concentration system
System 1.
Concentration systems 1 include head tank 5,6, four feed liquid circulations of recycling can pump 7,8,9,10, three falling film evaporators 11,
12nd, 13,14, three gas-liquid separators 15 of condenser, 16,17, baffle heater 18 and spinner flowmeter 19, the first falling film evaporation
The upper end of device 11 is connected with steam inlet pipe 20, and the lower end of the first falling film evaporator 11 is connected with the first condensation water recovery system
21；Head tank 5 is connected with the first feed liquid circulation pump 7, and first circulation pump 7 is connected by plate heat exchanger 18 and spinner flowmeter 19
Connect, the port of export of spinner flowmeter 19 is connected with 11 input end of the first falling film evaporator, the port of export of the first falling film evaporator 11
The input end with the second feed liquid circulation pump 8 and the first gas-liquid separator 15 is connected respectively, the port of export of the first gas-liquid separator 15
Be connected with the input end of the second falling film evaporator 12, the port of export of second feed liquid circulation pump 8 respectively with the first falling film evaporation
Device 11 is connected with the input end of the second falling film evaporator 12, the port of export of the second falling film evaporator 12 respectively with the 3rd feed liquid circulation
Pump 9 is connected with the input end of the second gas-liquid separator 16, the port of export and the 3rd falling film evaporator 13 of the second gas-liquid separator 16
Input end connection, the port of export of the 3rd feed liquid circulation pump 9 respectively with the second falling film evaporator 12 and the 3rd falling film evaporation
The input end connection of device 13, the port of export of the 3rd falling film evaporator 13 respectively with the 4th feed liquid circulation pump 10 and the 3rd gas-liquid separation
The input end connection of device 17, the port of export of the 3rd gas-liquid separator 17 are connected with condenser 14, the 4th feed liquid circulation pump 10
The port of export input end with the 3rd falling film evaporator 13, concentrate are connected using system 22 and recycling can 6 respectively, the recycling
Tank 6 is connected with the input end 7 that the first feed liquid circulation pumps.
The condensation water recovery system 3 includes condensate pipe 23, the condenser 14 in concentration systems 1,24 and of condensate water pot
Condensate pump 25, second falling film evaporator 12, the 3rd falling film evaporator 13, the second gas-liquid separator 16, the 3rd gas-liquid separation
Device 17 is connected with condenser 14 by condenser pipe 23, the port of export of condenser 14 and the inlet communication of condensate water pot 24, condensation
The port of export of water pot 24 is connected with condensate pump 25, the port of export of condensate pump 25 by the baffle heater 18 in concentration systems 1 with
Second condensation water recovery system 26 connects.
Pumped vacuum systems 2 includes pressure blank pipe 27, vacuum pump 28 and vacuum condensation water tank 29, second falling film evaporator
12nd, the 3rd falling film evaporator 13, the second gas-liquid separator 16, the 3rd gas-liquid separator 17, condenser 14, condensate water pot 24 and true
By pressing blank pipe 27 to be connected, the port of export of vacuum pump 28 is connected sky pump 28 with vacuum condensation water tank 29.
The pipeline cleaning system 4 includes sour tank 30, alkali tank 31, the raw material supply for sour tank 30 and the offer raw material of alkali tank 31
Tank 32, the input end of the acid tank 30 and alkali tank 31 are connected to dispensing water pipe 33, and the dispensing is gone back with water pipe 33
The input end with three falling film evaporators 11,12,13 is connected respectively；The port of export of the acid tank 30 and alkali tank 31 is connected to
Compressed air line 34 and cleaning water lines 35, the port of export of the acid tank 30 and alkali tank 31 are also dropped by pipeline and three respectively
The input end connection of film evaporator 11,12,13, in sour tank 30, alkali tank 31 and three 11,12,13 connecting lines of falling film evaporator
Between be provided with cleaning solution circulating pump 36.
Claims (3)
1. triple effect falling liquid film low-temperature vacuum thickener, it is characterised in that：Including concentration systems and condensation water recovery system；
The concentration systems include head tank, recycling can, four feed liquid circulation pumps, three falling film evaporators, condenser, three gas
Liquid/gas separator, baffle heater and spinner flowmeter, the upper end of the first falling film evaporator are connected with steam inlet pipe, the first falling liquid film
The lower end of evaporator is connected with the first condensation water recovery system, and the head tank and the first feed liquid circulation pump connect, first circulation
Pump is connected by plate heat exchanger with spinner flowmeter, the port of export of the spinner flowmeter and the first falling film evaporator input end
Connection, the port of export of the first falling film evaporator is pumped respectively with the second feed liquid circulation and the input end of the first gas-liquid separator is connected,
The port of export of first gas-liquid separator is connected with the input end of the second falling film evaporator, the port of export of the second feed liquid circulation pump
The input end with the first falling film evaporator and the second falling film evaporator is connected respectively, the port of export of the second falling film evaporator respectively with
3rd feed liquid circulation pump is connected with the input end of the second gas-liquid separator, and the port of export of the second gas-liquid separator and the 3rd falling liquid film steam
Send out the input end connection of device, the port of export of the 3rd feed liquid circulation pump respectively with the second falling film evaporator and the 3rd falling film evaporation
The input end connection of device, the port of export of the 3rd falling film evaporator respectively with the 4th feed liquid circulation pump and the 3rd gas-liquid separator into
The connection of mouthful end, the port of export of the 3rd gas-liquid separator are connected with condenser, the port of export that the 4th feed liquid circulation pumps respectively with
Input end, the concentrate of 3rd falling film evaporator are connected using system with recycling can, and the recycling can and the first feed liquid circulation pump
Input end connection；
The condensation water recovery system includes condensate pipe, the condenser in concentration systems, condensate water pot and condensate pump, and described
Two falling film evaporators, the 3rd falling film evaporator, the second gas-liquid separator, the 3rd gas-liquid separator and condenser pass through condenser pipe phase
Connection, the port of export of condenser and the inlet communication of condensate water pot, the port of export of condensate water pot are connected with condensate pump, condensate pump
The port of export is connected by baffle heater with the second condensation water recovery system.
2. triple effect falling liquid film low-temperature vacuum thickener according to claim 1, it is characterised in that：
Further including pumped vacuum systems, the pumped vacuum systems includes pressure blank pipe, vacuum pump and vacuum condensation water tank, and described second
Falling film evaporator, the 3rd falling film evaporator, the second gas-liquid separator, the 3rd gas-liquid separator, condenser, condensate water pot and vacuum
By pressing blank pipe to be connected, the port of export of vacuum pump is connected pump with vacuum condensation water tank.
3. triple effect falling liquid film low-temperature vacuum thickener according to claim 1 or 2, it is characterised in that：Further include pipeline-cleaning
System, the pipeline cleaning system include sour tank, alkali tank, the raw material supply tank for providing for sour tank and alkali tank raw material, the sour tank
Be connected to dispensing water pipe with the input end of alkali tank, the dispensing with water pipe also respectively with three falling film evaporators
Input end connects；The port of export of the acid tank and alkali tank is connected to compressed air line and cleaning water lines, the acid tank
Also it is connected respectively by pipeline with the input end of three falling film evaporators with the port of export of alkali tank, in sour tank, alkali tank and three drops
Cleaning solution circulating pump is provided between film evaporator connecting line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914829.1A CN107970628A (en) | 2016-10-21 | 2016-10-21 | Triple effect falling liquid film low-temperature vacuum thickener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914829.1A CN107970628A (en) | 2016-10-21 | 2016-10-21 | Triple effect falling liquid film low-temperature vacuum thickener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107970628A true CN107970628A (en) | 2018-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914829.1A Pending CN107970628A (en) | 2016-10-21 | 2016-10-21 | Triple effect falling liquid film low-temperature vacuum thickener |
Country Status (1)
| Country | Link |
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| CN (1) | CN107970628A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862438A (en) * | 2018-09-11 | 2018-11-23 | 首航洁能科技有限公司 | A kind of multiple-effect evaporation concentration systems of brine waste |
| CN109975046A (en) * | 2019-03-06 | 2019-07-05 | 广州能源检测研究院 | A method of for testing falling film evaporator preheating and evaporation heat transfer performance |
| CN110013680A (en) * | 2019-04-23 | 2019-07-16 | 四川汇宇生物技术有限公司 | A kind of gelatin evaporation heat recycle device |
-
2016
- 2016-10-21 CN CN201610914829.1A patent/CN107970628A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862438A (en) * | 2018-09-11 | 2018-11-23 | 首航洁能科技有限公司 | A kind of multiple-effect evaporation concentration systems of brine waste |
| CN109975046A (en) * | 2019-03-06 | 2019-07-05 | 广州能源检测研究院 | A method of for testing falling film evaporator preheating and evaporation heat transfer performance |
| CN110013680A (en) * | 2019-04-23 | 2019-07-16 | 四川汇宇生物技术有限公司 | A kind of gelatin evaporation heat recycle device |
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Application publication date: 20180501 |