CN203483890U - Automatic draining device for multi-effect evaporator - Google Patents
Automatic draining device for multi-effect evaporator Download PDFInfo
- Publication number
- CN203483890U CN203483890U CN201320574007.5U CN201320574007U CN203483890U CN 203483890 U CN203483890 U CN 203483890U CN 201320574007 U CN201320574007 U CN 201320574007U CN 203483890 U CN203483890 U CN 203483890U
- Authority
- CN
- China
- Prior art keywords
- effect evaporator
- steam
- draining
- drainpipe
- fluid
- 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
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses an automatic draining device for a multi-effect evaporator. The inlet of a steam-water separator is connected with a steam condensed water outlet of a secondary steam heat exchanger; a draining pipe is connected with a draining port of the stem-water separator for providing a passage for draining; an exhaust port of the steam-water separator is connected with a vacuum system for enabling gas to enter into the vacuum system for adjustment; a liquid sealing container is connected with the draining pipe extending under the liquid level of the liquid sealing container; when the vacuum system is started, the pipe port, for storing the liquid drained that the drain pipe discharged, at the lower end of the draining pipe is still immersed in water without being directly contacted with air. The automatic draining device for the multi-effect evaporator overcomes the problems of complex draining operation, high labor intensity and high maintenance cost of the traditional multi-effect evaporator and the low use efficiency of the traditional multi-effect evaporator. The automatic draining device is simple in structure, long in service life, low in maintenance cost and simple in operation, so equipment configuration is reduced, the operation reliability is improved and real automatic draining is realized.
Description
Technical field
The utility model belongs to multi-effect evaporator field, relates in particular to a kind of self-draining arrangement for multi-effect evaporator.
Background technology
Multiple-effect evaporation is as a kind of power-saving technology of maturation, is widely used in the industrial circles such as chlor-alkali, sugaring, pharmacy, chemical industry, papermaking and and the aspect such as desalinization.Particularly due to the raising of environmental requirement in recent years, as the effective method of the concentrated desalination of wastewater from chemical industry, the application of multiple-effect evaporation aspect chemical wastewater treatment develops rapidly, and in chemical industrial park, multi-effect evaporator is seen everywhere, but operation is difficult, maintenance is frequent, operational efficiency is low.Multi-effect evaporator is mainly to regulate by vacuum system, in each single-effect evaporator, produce different vacuum, thereby in each single-effect evaporator, form different boiling points, thermal source with raw steam as 1st effective evaporator, the indirect steam again 1st effective evaporator being produced is as the thermal source of 2nd effect evaporator, the indirect steam that 2nd effect evaporator produces is as the thermal source of triple effect evaporator, by that analogy, thereby realizes the repeatedly utilization of steam heat of vaporization.
At present, the steam condensate (SC) that each effect evaporation of multi-effect evaporator produces is collected with discharge and is mainly contained three kinds of patterns: 1. adopt collecting tank to collect respectively, after reaching certain water level, by draining after manual switching valve vacuum breaker; 2. adopt collecting tank to collect respectively, after reaching certain water level, utilize water pump forced drainage under vacuum; 3. adopt collecting tank to collect respectively, after reaching certain water level, under robot control system(RCS) is controlled, utilize water pump forced drainage under vacuum.
1. the plant pattern, and troublesome poeration, regulate a plurality of valves, draining after vacuum breaker, and labor strength is large, easily produces error; 2. the plant pattern, and pump performance is had relatively high expectations, and the seal of water pump will often be changed, and need artificial opening water discharge pump, easily produces error; 3. plant pattern, and pump performance is had relatively high expectations, and the seal of water pump will often be changed.
Utility model content
The purpose of this utility model is to provide a kind of self-draining arrangement for multi-effect evaporator, is intended to solve the problem that traditional multi-effect evaporator drain operation is complicated, labour intensity is high, maintenance cost is high and the service efficiency of multi-effect evaporator is low.
The utility model is achieved in that a kind of self-draining arrangement for multi-effect evaporator, and this device comprises steam-water separator, drainpipe and fluid-tight container:
Steam-water separator import is connected with the steam-condensation water out of indirect steam heat exchanger, for realizing the separated of gas and water;
Drainpipe is connected with the discharge outlet of steam-water separator, for the passage of water discharge is provided;
Steam-water separator exhaust outlet is connected with vacuum system, for gas is entered in vacuum system, regulates;
Fluid-tight container is connected with drainpipe, and drainpipe stretches under the liquid level of fluid-tight container, and after vacuum is opened, the drainpipe lower end mouth of pipe is still immersed in water, and can directly not contact with air, for storing drainpipe, forms the liquid of water column under vacuum.
Further, fluid-tight container can be pond, groove, tank, can independently arrange, and also can share.
Further, the length of drainpipe is answered long enough, the effective vacuum of multi-effect evaporator is M meter water column, the length of the drainpipe of multi-effect evaporator self-draining arrangement should be greater than M+L rice, be that the drainpipe height to fluid-tight container discharge outlet end opening suitable for reading is not less than M rice, the length stretching under fluid-tight vessel level is not less than L rice.(span 0.1～10 of M, the span 0～10 of L).
Further, the diameter of drainpipe should meet the requirement of this effect condensed water elimination water yield, and diameter should not be too large.(0.001～1 meter of diameter span).
Further, fluid-tight container should guarantee enough large volume, and all drainpipes that the volume of the downward L rice of the fluid-tight container discharge outlet end opening height of multi-effect evaporator self-draining arrangement should be greater than access form the cumulative volume of water column under vacuum condition.
The self-draining arrangement for multi-effect evaporator that the utility model provides, solved the problem that traditional multi-effect evaporator drain operation is complicated, labour intensity is high, maintenance cost is high and the service efficiency of multi-effect evaporator is low, there is simple in structure, long service life, maintenance cost is low, simple to operate, reduced equipment configuration, improve reliability of operation, realized Auto-drainage truly.
Accompanying drawing explanation
Fig. 1 is the flow chart of the self-draining method for multi-effect evaporator that provides of the utility model;
Fig. 2 is the structure chart of the self-draining arrangement of the multi-effect evaporator that provides of the utility model.
In figure: 1, steam-water separator; 1-1, steam-water separator import; 1-2, steam-water separator exhaust outlet; 1-3, steam-water separator discharge outlet; 2, drainpipe; 3, fluid-tight container
The specific embodiment
1 pair of the utility model describes by reference to the accompanying drawings, and the utility model is achieved in that a kind of self-draining method for multi-effect evaporator, and the method comprises:
S101: the condensed water of indirect steam after heat exchanger heat exchange enters steam-water separator, and gas is inhaled into vacuum system, water flows into drainpipe;
S102: by the adjusting of vacuum system, make multi-effect evaporator form vacuum gradient, and then produce boiling point gradient;
S103: in running, when the vacuum of this multi-effect evaporator reaches regulation required value, in drainpipe, the water column that forms corresponding height is overcome to vacuum, realize Auto-drainage;
S104: the condensed water that evaporation produces, under the effect of gravity, automatically enters fluid-tight container, more automatically discharges multi-effect evaporation system from fluid-tight container discharge outlet.
2 pairs of the utility model describe by reference to the accompanying drawings, and the utility model is achieved in that a kind of self-draining arrangement for multi-effect evaporator, and this device comprises steam-water separator, drainpipe and fluid-tight container:
Steam-water separator import is connected with the steam-condensation water out of indirect steam heat exchanger, for realizing the separated of gas and water;
Drainpipe is connected with the discharge outlet of steam-water separator, for the passage of water discharge is provided;
Steam-water separator exhaust outlet is connected with vacuum system, for gas is entered in vacuum system, regulates;
Fluid-tight container is connected with drainpipe, and drainpipe stretches under the liquid level of fluid-tight container, and after vacuum is opened, the drainpipe lower end mouth of pipe is still immersed in water, and can directly not contact with air, for storing drainpipe, forms the liquid of water column under vacuum condition.
Further, fluid-tight container can be pond, groove, tank etc., and each effect can independently arrange, and also can share;
Further, the length of drainpipe is answered long enough, multi-effect evaporator vacuum is M meter water column, the length of the drainpipe of multi-effect evaporator self-draining arrangement should be greater than (M+L) rice, be that the drainpipe height to fluid-tight container discharge outlet end opening suitable for reading is not less than M rice, the length stretching under fluid-tight vessel level is not less than L rice;
Further, the diameter of drainpipe should meet the requirement of this effect condensed water elimination water yield, and diameter should not be too large;
Further, fluid-tight container should guarantee enough large volume, and all drainpipes that the volume of the downward L rice of the fluid-tight container discharge outlet end opening height of multi-effect evaporator self-draining arrangement should be greater than access form the cumulative volume of water column under vacuum condition.
The self-draining arrangement of each effect of the multi-effect evaporator that the utility model provides forms by the drainpipe of a steam-water separator, a sufficient length and the fluid-tight container of enough volume (pond, groove, tank etc., can share).Steam-water separator import is connected with the steam-condensation water out of this effect indirect steam heat exchanger, steam-water separator exhaust outlet is connected with vacuum system, the discharge outlet of steam-water separator is connected with drainpipe upper end, drainpipe lower end is stretched under the liquid level of fluid-tight container, so that after vacuum is opened, the drainpipe lower end mouth of pipe is still immersed in water, and can directly not contact with air.Come the steam condensate (SC) of automatic heat-exchanger first to enter steam-water separator, gas is inhaled into vacuum system, and water flows into drainpipe, enters fluid-tight container under Action of Gravity Field, and then multi-effect evaporation system is discharged in gravity flow.By the adjusting of vacuum system, make each effect form vacuum gradient, and then produce boiling point gradient.
embodiment 1: the effective vacuum of multi-effect evaporator is 0.08MPa, and the length of the drainpipe of this single-effect evaporator self-draining arrangement should be greater than (8+L
1) (be that the drainpipe height to fluid-tight container discharge outlet end opening suitable for reading is not less than 8 meters, the length stretching under fluid-tight vessel level is not less than L to rice
1rice), the diameter of drainpipe should meet the requirement (diameter should not be too large) of this effect condensed water elimination water yield; The downward L of fluid-tight container discharge outlet end opening of multi-effect evaporator self-draining arrangement
1all drainpipes that the volume of meter Gao Du should be greater than access form the cumulative volume of water column under vacuum condition; In running, when this effect vacuum reaches 0.08MPa, in drainpipe, formation water column is overcome to vacuum, the condensed water that evaporation produces, under the effect of gravity, automatically enters fluid-tight container, more automatically discharges multi-effect evaporation system from fluid-tight container discharge outlet.
embodiment2: the effective vacuum of multi-effect evaporator is 0.02MPa, and the length of the drainpipe of this single-effect evaporator self-draining arrangement should be greater than (2+L
2) (be that the drainpipe height to fluid-tight container discharge outlet end opening suitable for reading is not less than 2 meters, the length stretching under fluid-tight vessel level is not less than L to rice
2rice), the diameter of drainpipe should meet the requirement (diameter should not be too large) of this effect condensed water elimination water yield; The downward L of fluid-tight container discharge outlet end opening of multi-effect evaporator self-draining arrangement
2all drainpipes that the volume of meter Gao Du should be greater than access form the cumulative volume of water column under vacuum condition; In running, when this effect vacuum reaches 0.02MPa, in drainpipe, formation water column is overcome to vacuum, the condensed water that evaporation produces, under the effect of gravity, automatically enters fluid-tight container, more automatically discharges multi-effect evaporation system from fluid-tight container discharge outlet.
The utility model is by promoting the setting height(from bottom) of multi-effect evaporator equipment, the discharge outlet that makes respectively to imitate condensed water meets or exceeds and respectively imitates the liquid-column height that vacuum produces to the height of fluid-tight vessel level, utilize fluid-tight to overcome and respectively imitate vacuum, by drainpipe, realize the Auto-drainage of condensed water.
Certainly; the utility model also can have other embodiment; in the situation that not deviating from the utility model spirit and essence thereof; person of ordinary skill in the field is when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of claim of the present utility model.
Claims (4)
1. for a self-draining arrangement for multi-effect evaporator, it is characterized in that, this device comprises steam-water separator, drainpipe and fluid-tight container:
Steam-water separator import is connected with the steam-condensation water out of indirect steam heat exchanger;
Drainpipe is connected with the discharge outlet of steam-water separator;
Steam-water separator exhaust outlet is connected with vacuum system;
Fluid-tight container is connected with drainpipe, and drainpipe stretches under the liquid level of fluid-tight container.
2. the self-draining arrangement for multi-effect evaporator as claimed in claim 1, is characterized in that, fluid-tight container can be pond, groove, tank.
3. the self-draining arrangement for multi-effect evaporator as claimed in claim 1, it is characterized in that, the effective vacuum of multi-effect evaporator is M meter water column, the length of the drainpipe of multi-effect evaporator self-draining arrangement should be greater than M+L rice, be that the drainpipe height to fluid-tight container discharge outlet end opening suitable for reading is not less than M rice, the length stretching under fluid-tight vessel level is not less than L rice, 0.1～10 meter of the span of M wherein, 0～10 meter of the span of L.
4. the self-draining arrangement for multi-effect evaporator as claimed in claim 1, is characterized in that, 0.001～1 meter of the diameter span of drainpipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574007.5U CN203483890U (en) | 2013-09-16 | 2013-09-16 | Automatic draining device for multi-effect evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574007.5U CN203483890U (en) | 2013-09-16 | 2013-09-16 | Automatic draining device for multi-effect evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203483890U true CN203483890U (en) | 2014-03-19 |
Family
ID=50254752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320574007.5U Expired - Fee Related CN203483890U (en) | 2013-09-16 | 2013-09-16 | Automatic draining device for multi-effect evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203483890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480166A (en) * | 2013-09-16 | 2014-01-01 | 江苏汇昇环保科技有限公司 | Automatic water discharging method and device used for multi-effect evaporator |
| CN108261789A (en) * | 2017-12-22 | 2018-07-10 | 东营方圆有色金属有限公司 | The method and device that liquid material is concentrated by evaporation in a kind of hydrometallurgy |
-
2013
- 2013-09-16 CN CN201320574007.5U patent/CN203483890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480166A (en) * | 2013-09-16 | 2014-01-01 | 江苏汇昇环保科技有限公司 | Automatic water discharging method and device used for multi-effect evaporator |
| CN108261789A (en) * | 2017-12-22 | 2018-07-10 | 东营方圆有色金属有限公司 | The method and device that liquid material is concentrated by evaporation in a kind of hydrometallurgy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101830529B (en) | Method for preparing clean water by using oil field sewage and for utilizing waste heat | |
| CN106365370A (en) | Recycled type sewage purification equipment | |
| CN208059608U (en) | Cryogenic heat exchanger water ring pumped vacuum systems | |
| CN203483890U (en) | Automatic draining device for multi-effect evaporator | |
| CN103320162B (en) | Crude oil dehydrating device | |
| CN201834781U (en) | Single-stage vacuum distillation seawater desalination device | |
| CN105384205B (en) | A kind of application method of the desalination plant of high conversion | |
| CN203820489U (en) | Low-temperature evaporation treatment device for high-concentration wastewater | |
| CN208121864U (en) | A kind of rain water collecting system and water resource recycling system of greenhouse | |
| CN1872706A (en) | Popular type sea water desalting plant of using solar energy | |
| CN207796537U (en) | Device for discharging on-condensible gas and condensed water | |
| CN110230810A (en) | Without discharge of steam energy-saving deaerator | |
| CN207307226U (en) | A kind of methanol rectification recovery system | |
| CN203281053U (en) | Quadruple-effect downstream falling-film evaporator for preparation of inositol | |
| WO2021068427A1 (en) | Flowing flash surface multistage flash water purification technique and device | |
| CN103480166A (en) | Automatic water discharging method and device used for multi-effect evaporator | |
| CN202576022U (en) | System for desalinizing sweater by using waste heat from power plants | |
| CN201412926Y (en) | Exhaust device of a plant extraction factory building | |
| CN103669508A (en) | Household waste water classification, collection and recycling device | |
| CN2464713Y (en) | Energy-saving sewage treating device | |
| CN203425547U (en) | Reboiling and flash evaporation fractionating tower | |
| CN207532815U (en) | A kind of acid concentration negative pressure dehydration control system | |
| CN205258039U (en) | Sea water desalination device of high conversion | |
| CN203307291U (en) | Crude oil dehydrating device | |
| CN203320607U (en) | Water circulation control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20150916 |
|
| EXPY | Termination of patent right or utility model |