CN103830922A - Stable operation device for multi-effect evaporation system - Google Patents

Stable operation device for multi-effect evaporation system Download PDF

Info

Publication number
CN103830922A
CN103830922A CN201410085095.1A CN201410085095A CN103830922A CN 103830922 A CN103830922 A CN 103830922A CN 201410085095 A CN201410085095 A CN 201410085095A CN 103830922 A CN103830922 A CN 103830922A
Authority
CN
China
Prior art keywords
stable operation
effect evaporation
operation device
juice
active clapboard
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.)
Granted
Application number
CN201410085095.1A
Other languages
Chinese (zh)
Other versions
CN103830922B (en
Inventor
陆登俊
梁欣泉
杭方学
刘继栋
邓立高
李红
李凯
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.)
Guangxi University
Original Assignee
Guangxi University
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 Guangxi University filed Critical Guangxi University
Priority to CN201410085095.1A priority Critical patent/CN103830922B/en
Publication of CN103830922A publication Critical patent/CN103830922A/en
Application granted granted Critical
Publication of CN103830922B publication Critical patent/CN103830922B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

The invention discloses a stable operation device for a multi-effect evaporation system. The device consists of a balance box (2), a movable clapboard (3) and a fixed clapboard (7), wherein the balance box (2) is a cylindrical tank; the movable clapboard (3) and the fixed clapboard (7) are positioned in the middle of the balance box (2); the fixed clapboard (7) is connected with the bottom of the balance box (2); the movable clapboard (3) is adjacent to the fixed clapboard (7); the bottom surface of the balance box (2), which is positioned on two sides of the movable clapboard (3) and the fixed clapboard (7), is connected with a juice inlet pipe (4) and a juice outlet pipe (5); the other ends of the juice inlet pipe (4) and the juice outlet pipe (5) are respectively connected with a front single-effect evaporation tank and a rear single-effect evaporation tank. According to the stable evaporation device, the concentration of the final concentrated materials in the evaporation system can be kept stable, the condition that the materials run away along with juice vapor due to instable evaporation can be greatly reduced additionally, the recovery rate is effectively increased, and pollution of condensing water is alleviated.

Description

A kind of stable operation device for multi-effect evaporation system
Technical field
The present invention relates to chemical machinery technical field, relate in particular to a kind of stable operation device for multi-effect evaporation system.
Background technology
In a lot of chemical process, the modes that adopt multiple-effect evaporation concentrate material more, and this method couples together multiple shell and tube evaporators as a vapo(u)rization system, and each evaporimeter is called an effect, multiple evaporimeters are coupled together to a biconditional operation, form a multi-effect evaporation system.To give birth to steam (being heating steam) and pass into No. 1 evaporator (being called the first effect), the solution boiling of being heated, produces juice vapour (also referred to as indirect steam) in tank, the indirect steam of the first effect tank is introduced to second and imitate evaporator tympanites as heating steam.In like manner, the new new indirect steam producing of the second effect evaporator is again as the heating steam of third effect evaporator.So analogize.This vapo(u)rization system has repeatedly been utilized the heat energy of raw steam, has reduced significantly thermal energy consumption consumption, can significantly reduce costs, and has also increased efficiency.
In evaporation process, there is loss owing to crossing tank process, the pressure and temperature of each effect indirect steam is to reduce by effect, an indirect steam part for every effect is as the heating steam of next effect evaporator, another part can be sent to corresponding other according to its quality (mainly referring to the pressure and temperature of steam) and use vapour department (as heater, crystallizing tank etc.) as heat source, and this process is called takes out juice vapour.
Guarantee that evaporation process is stable, should be noted that and stablizes the first effect heating steam pressure; Stablize and take out juice vapour, guarantee each effect pressure stability; Regulate in time into juice amount and control the operations such as the even juice excessively of each effect.In process of production, due to the also heating steam with vapour department as other of each effect indirect steam, therefore be difficult to guarantee to extract juice vapour and keep completely constant always, supplied materials enters juice amount and also can not remain unchanged, therefore to make evaporation stable, conventionally the aperture that employing manual adjustment is crossed tank valve is with the liquid level in steady-state evaporation tank, and what the concentration of satisfied evaporation final material and minimizing material ran away with juice vapour may.
In practical operation, the control of evaporation process stability is affected by human factors greatly, as the height of liquid level is respectively imitated in manual observation, according to carrying out juice amount, juice vapour is taken out consumption etc. and regulated each aperture of imitating tank valve, need by virtue of experience and operating personnel's the sense of duty, to be therefore not easy to stablize.
Summary of the invention
For solving the evaporation process poor stability that exists in existing multi-effect evaporation system, not allowing manageable shortcoming, the invention provides a kind of stable operation device for multi-effect evaporation system.
The present invention adopts following technical scheme:
Stable operation device for multi-effect evaporation system of the present invention is made up of tandem-driving bogie, active clapboard and stationary barrier, tandem-driving bogie is a cylinder tank, active clapboard and stationary barrier are positioned at the centre of tandem-driving bogie, stationary barrier is connected with the bottom of tandem-driving bogie, active clapboard and stationary barrier are adjacent, the height of active clapboard and stationary barrier and the height that is less than tandem-driving bogie, the bottom surface that tandem-driving bogie is positioned at the both sides of active clapboard and stationary barrier is connected with respectively juice-feeding tube and juice yield tube, and juice-feeding tube is connected respectively last effect and a rear effect evaporator with the juice yield tube other end.
Above active clapboard, be connected with stirrup, the other end of stirrup stretches out tandem-driving bogie outside, the other end of stirrup is provided with turn valve, can drive active clapboard to move up and down by turn valve, on active clapboard, move past in journey, the distance of its bottom and bottom surface should be less than the height of stationary barrier.
This stable operation device is positioned in the middle of two multiple-effect evaporation tanks, in the middle of the juice yield tube of this stable operation device and next effect evaporator, has a U-shaped pipe.
The height of active clapboard is determined according to the liquid level of adjacent two multiple-effect evaporation tanks.
Multi-effect evaporation system of the present invention is by multiple multiple-effect evaporation tanks and stable operation installation composition, and described stable operation device is positioned in the middle of two multiple-effect evaporation tanks, is connected with U-shaped pipe.
Good effect of the present invention is as follows:
The concentration that stable operation device for multi-effect evaporation system of the present invention makes vapo(u)rization system finally concentrate material can keep stable, can greatly reduce in addition the situation generation of running away with juice vapour because evaporating unstable material, effectively improve withdrawal and reduced the solidifying water of vapour contaminated.
The present invention is reasonable, simple in structure for the stable operation device design science of multi-effect evaporation system, and dependable performance, has good operability, effectively guarantees the stability of evaporation process.
Accompanying drawing explanation
Fig. 1 is the front view of the stable operation device for multi-effect evaporation system of the present invention.
Fig. 2 is the top view of the stable operation device for multi-effect evaporation system of the present invention.
Fig. 3 is the left view of the stable operation device for multi-effect evaporation system of the present invention.
Fig. 4 is the schematic diagram of multi-effect evaporation system of the present invention.
1 stirrup, 2 tandem-driving bogies, 3 active clapboards, 4 juice-feeding tubes, 5 juice yield tubes, 6 turn valves, 7 stationary barriers.
The specific embodiment
The following examples are to describe in further detail of the present invention.
As shown in accompanying drawing 1-3, stable operation device for multi-effect evaporation system of the present invention is by tandem-driving bogie 2, active clapboard 3 and stationary barrier 7 form, tandem-driving bogie 2 is a cylinder tank, active clapboard 3 and stationary barrier 7 are positioned at the centre of tandem-driving bogie 2, stationary barrier 7 is connected with the bottom of tandem-driving bogie 2, active clapboard 3 is adjacent with stationary barrier 7, the height of active clapboard 3 and stationary barrier 7 and the height that is less than tandem-driving bogie 2, the bottom surface that tandem-driving bogie 2 is positioned at the both sides of active clapboard 3 and stationary barrier 7 is connected with respectively juice-feeding tube 4 and juice yield tube 5, juice-feeding tube 4 is connected respectively last effect and a rear effect evaporator with juice yield tube 5 other ends.
Active clapboard 3 is connected with stirrup 1 above, the other end of stirrup 1 stretches out tandem-driving bogie 2 outsides, the other end of stirrup 1 is provided with turn valve 6, can drive active clapboard 3 to move up and down by turn valve 6, on active clapboard 3, move past in journey, the distance of its bottom and bottom surface should be less than the height value of stationary barrier 7.
As shown in Figure 4, a kind of multi-effect evaporation system of the present invention is by multiple multiple-effect evaporation tanks and stable operation installation composition, and described stable operation device is positioned in the middle of two multiple-effect evaporation tanks, is connected with U-shaped pipe.
Stable operation device is positioned in the middle of two multiple-effect evaporation tanks, in the middle of the juice yield tube 5 of this stable operation device and multiple-effect evaporation tank, has a U-shaped pipe.
The height of active clapboard 3 is determined according to the liquid level of adjacent two multiple-effect evaporation tanks.
The present invention proposes to increase a device in each effect evaporator material is crossed the U-shaped pipe of tank, can respectively imitate for balance adjustment the height of liquid level, contributes to help the balance and stability of evaporation process.
Beneficial effect of the present invention is: the present invention increases a tandem-driving bogie by cross tank U-shaped pipe place at each effect evaporator material, in tandem-driving bogie, inlay a height-adjustable division board, calculate by formula the height that division board should arrange according to the liquid level in the two-effect evaporation tank of front and back is poor, thereby regulate, the concentration that makes vapo(u)rization system finally concentrate material can keep stable, can greatly reduce in addition the situation generation of running away with juice vapour because evaporating unstable material, effectively improve withdrawal and reduced the solidifying water of vapour contaminated.
Stable operation device design science is reasonable, simple in structure, and dependable performance has good operability, effectively guarantees the stability of evaporation process.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claims and equivalent thereof.

Claims (5)

1. the stable operation device for multi-effect evaporation system, it is characterized in that: this device is by tandem-driving bogie (2), active clapboard (3) and stationary barrier (7) composition, tandem-driving bogie (2) is a cylinder tank, active clapboard (3) and stationary barrier (7) are positioned at the centre of tandem-driving bogie (2), stationary barrier (7) is connected with the bottom of tandem-driving bogie (2), active clapboard (3) is adjacent with stationary barrier (7), the height of active clapboard (3) and stationary barrier (7) and the height that is less than tandem-driving bogie (2), the bottom surface that tandem-driving bogie (2) is positioned at the both sides of active clapboard (3) and stationary barrier (7) is connected with respectively juice-feeding tube (4) and juice yield tube (5), juice-feeding tube (4) is connected respectively last effect and a rear effect evaporator with juice yield tube (5) other end.
2. stable operation device as claimed in claim 1, it is characterized in that: active clapboard (3) is connected with stirrup (1) above, the other end of stirrup (1) stretches out tandem-driving bogie (2) outside, the other end of stirrup (1) is provided with turn valve (6), can drive active clapboard (3) to move up and down by turn valve (6), active clapboard moves past in journey on (3), and the distance of its bottom and bottom surface should be less than the height of stationary barrier (7).
3. stable operation device as claimed in claim 1, is characterized in that: this stable operation device is positioned in the middle of two multiple-effect evaporation tanks, and the juice yield tube (5) of this stable operation device has a U-shaped pipe in the middle of imitating evaporator with next.
4. stable operation device as claimed in claim 1, is characterized in that: the height of active clapboard (3), according to the liquid level of adjacent two multiple-effect evaporation tanks, regulates definite by turn valve (6).
5. a multi-effect evaporation system, it is characterized in that: this multi-effect evaporation system is by multiple multiple-effect evaporation tanks and the stable operation installation composition as described in claim 1-4 any one, described stable operation device is positioned in the middle of two multiple-effect evaporation tanks, is connected with U-shaped pipe.
CN201410085095.1A 2014-03-10 2014-03-10 Stable operation device for multi-effect evaporation system Active CN103830922B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410085095.1A CN103830922B (en) 2014-03-10 2014-03-10 Stable operation device for multi-effect evaporation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410085095.1A CN103830922B (en) 2014-03-10 2014-03-10 Stable operation device for multi-effect evaporation system

Publications (2)

Publication Number Publication Date
CN103830922A true CN103830922A (en) 2014-06-04
CN103830922B CN103830922B (en) 2017-01-11

Family

ID=50795009

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410085095.1A Active CN103830922B (en) 2014-03-10 2014-03-10 Stable operation device for multi-effect evaporation system

Country Status (1)

Country Link
CN (1) CN103830922B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB146730A (en) * 1917-05-17 1920-07-15 Griscom Russell Co Improvements in or relating to evaporators
CN1041111A (en) * 1988-09-16 1990-04-11 张修清 Multifunctional evaporating equipment and liquid level controlling method
CN2451595Y (en) * 2000-10-03 2001-10-03 瞿东平 Suger juice evaporating system low-level controlling apparatus
CN101403631A (en) * 2008-10-31 2009-04-08 浙江大学 Liquid level on-line measurement method based on magnetic buoyancy
CN203002001U (en) * 2012-11-23 2013-06-19 宜兴市汇富机械设备有限公司 Independent type liquid level balancing device
CN203790601U (en) * 2014-03-10 2014-08-27 广西大学 Multiple-effect evaporation system and stable operation device for same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB146730A (en) * 1917-05-17 1920-07-15 Griscom Russell Co Improvements in or relating to evaporators
CN1041111A (en) * 1988-09-16 1990-04-11 张修清 Multifunctional evaporating equipment and liquid level controlling method
CN2451595Y (en) * 2000-10-03 2001-10-03 瞿东平 Suger juice evaporating system low-level controlling apparatus
CN101403631A (en) * 2008-10-31 2009-04-08 浙江大学 Liquid level on-line measurement method based on magnetic buoyancy
CN203002001U (en) * 2012-11-23 2013-06-19 宜兴市汇富机械设备有限公司 Independent type liquid level balancing device
CN203790601U (en) * 2014-03-10 2014-08-27 广西大学 Multiple-effect evaporation system and stable operation device for same

Also Published As

Publication number Publication date
CN103830922B (en) 2017-01-11

Similar Documents

Publication Publication Date Title
CN104829026A (en) High-salt high-concentration cellulose ether waste water treatment system
CN102424436B (en) High-temperature seawater desalting and distillation device and method
CN204689804U (en) High salt high concentration cellulose ether Sewage treatment systems
CN106395950A (en) Sea water desalination method adopting low-temperature multi-effect distillation for producing fresh water through efficient use of heat energy
CN204151177U (en) Phenol-acetone waste water evaporative desalination pretreatment unit
CN203976564U (en) Medicine water for injection refining plant
CN103342397B (en) Energy-saving low-temperature multi-effect distillation sea water desalination method
CN101125673A (en) Method for directly producing calcium chloride from ammonia-soda process waste liquid
CN101786677B (en) Multiple-effect horizontal tube falling film evaporation sea water desalinating device with horizontally arranged tube bundle
CN203355315U (en) Triple-effect upstream falling film evaporation system
CN203790601U (en) Multiple-effect evaporation system and stable operation device for same
CN204138355U (en) Flow-reversing dual-purpose ammonia concentrating unit
CN105129890A (en) Evaporating crystallizer
CN103332705A (en) Device for producing sodium nitrate by six-effect evaporation of sodium sulfate brine
CN103508877A (en) Energy-saving method and device for four-effect concentration and crystallization of itaconic acid
CN103830922A (en) Stable operation device for multi-effect evaporation system
CN204752254U (en) Rise membrane multiple -effect formula distilled water machine
CN104276614A (en) Desalination method for uniflow steam-injection boiler
CN201534784U (en) Horizontal falling film evaporation multi-effect distillation seawater desalination evaporator
CN203346096U (en) Sodium-sulfate brine sextuple-effect evaporation sodium nitrate production device
Gao et al. Experimental study on water separation process in a novel spray flash vacuum evaporator with heat-pipe
CN203540111U (en) Evaporative crystallization device for extracting ammonium salts through vapor recompression technology
CN205023891U (en) Crystallizing evaporator
CN2934211Y (en) Water desalination low temperature multi-effect device
CN103086451A (en) Multi-effect evaporative sea water desalinating device with hybrid process

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant