CN208097833U - Rolled film distillation equipment and the membrane distillation system for using it - Google Patents
Rolled film distillation equipment and the membrane distillation system for using it Download PDFInfo
- Publication number
- CN208097833U CN208097833U CN201721923194.8U CN201721923194U CN208097833U CN 208097833 U CN208097833 U CN 208097833U CN 201721923194 U CN201721923194 U CN 201721923194U CN 208097833 U CN208097833 U CN 208097833U
- Authority
- CN
- China
- Prior art keywords
- channel
- membrane
- condensation
- water
- raw water
- 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.)
- Active
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A kind of rolled film distillation equipment and the membrane distillation system using it.The rolled film distillation equipment is coupled to form by hydrophobic membrane M and condensation film C at web-like, and is provided with heating channel, raw water channel and evaporation channel and raw water inlet, concentrated water water outlet, heating channel entrance, condensation-water drain and evaporation channel outlet；Wherein hydrophobic membrane M is microwell plate film made of hydrophobic material, for providing evaporating surface for raw water；Channel is heated, is surrounded and is formed by condensation film C, and is adjacent with raw water channel and evaporation channel respectively, for heat raw water from heating channel entrance input heat source；Raw water channel, between condensation film C and hydrophobic membrane M；Evaporation channel is surrounded with two panels hydrophobic membrane.The problem of being able to solve the high problem of current rolling membrane distillation thermal losses by the utility model, and can effectively controlling the wetting of membrane distillation equipment film, concentration polarization and temperature polarization.
Description
Technical field
The utility model relates to wastewater treatment, feed separation and concentrations, technical field of resource recovery, more particularly to one kind
Rolled film distillation equipment and the membrane distillation system for using it.
Background technique
In recent years, country increasingly payes attention to enterprise's sewage discharge and energy-saving and emission-reduction, also does to sewage drainage standard
Stringent regulation.More and more enterprises also start to carry out energy-saving and emission-reduction improvement, and the dirt to be discharged to the technique of oneself
Water carries out coagulation.Therefore various water process and energy-conserving and emission-cutting technology receive highest attention, become research hotspot, wherein
Film distillation technology is exactly the advanced technology paid high attention to.Compared with reverse osmosis and conventional evaporator, membrane distillation is most significant
The characteristics of be exactly that can use low product heat in stable operation under low-pressure low-temperature and waste heat is heated, salt rejection rate is high, and film is dirty
Dye trend is low.Membrane distillation is heat transfer and the simultaneous evaporation process of mass transfer, and concentration polarization and temperature difference polarization phenomena also can be simultaneously
Occur, to influence the flux and rejection of membrane distillation.Membrane distillation equipment currently on the market mainly have flat, rolling and in
Hollow fiber formula, wherein it is only board-like due to multiple-effect easy to accomplish so can accomplish mini engineering application, and rolling and hollow
Fiber type is limited since heat loss is high.Also, although current rolled film distillation equipment improves the film surface of unit volume
Product, but membrane distillation technique is still that vacuum membrane distillation, gas are swept based on membrane distillation, since tube side is long and answers during realizing multiple-effect
Miscellaneous thermal losses is relatively high, causes operating cost higher.Also disclose several rolling membrane distillation design schemes in the prior art, but
During Practical Project, the effect for reducing thermal losses embodies not yet.Current membrane distillation equipment in the application, film wetting,
Concentration polarization and temperature difference polarization are still to influence its key factor for being widely applied and being engineered.
Utility model content
In view of this, the main purpose of the utility model is that proposing a kind of rolled film distillation equipment and the film steaming using it
System is evaporated, at least be partially solved at least one of above-mentioned technical problem.
To achieve the goals above, as the one aspect of the utility model, a kind of rolled film distillation equipment, institute are proposed
It states rolled film distillation equipment and is coupled to form by hydrophobic membrane M and condensation film C at web-like, and be provided on the rolled film distillation equipment
Channel, raw water channel and evaporation channel are heated, and is provided with raw water inlet, concentrated water water outlet, heating channel entrance, condensed water
Outlet and evaporation channel outlet；Wherein：
Hydrophobic membrane M is microwell plate film made of hydrophobic material, for providing evaporating surface for raw water；
Condensation film C heats the heat source flowed through in channel condensation for making；
Channel is heated, is surrounded and is formed by the condensation film C, and is adjacent with the raw water channel and evaporation channel respectively, is used
In from heating channel entrance input heat source raw water to be processed in the raw water channel heated, and will thus condensed
Heat source is discharged from condensation-water drain；
Raw water channel for inputting raw water from raw water inlet, and will add between the condensation film C and hydrophobic membrane M
The raw water being concentrated after thermal evaporation is discharged from concentrated water water outlet；
Evaporation channel, is surrounded with the two panels hydrophobic membrane, the steam generated for receiving the raw water by thermal evaporation
And it is exported from evaporation channel and is discharged.
A kind of other side as the utility model, it is also proposed that membrane distillation system, which is characterized in that including：
Rolled film distillation equipment as described above；
Condensation water collection tank, the condensation water collection tank are installed on outside the rolling membrane component, with the rolled film
Heating channel in distillation equipment is connected with afterbody evaporation channel, and is connected with vacuum system；
Vacuum system, for reducing the pressure of evaporation channel in the rolled film distillation equipment to increase the two sides hydrophobic membrane M
Pressure difference, also be used to guide evaporated vapor trend and condensed water is extracted into condensation water collection tank, thus each effect rolled film steaming
The evaporated vapor for evaporating equipment generation enters next effect rolled film distillation equipment under the guidance of the vacuum system and heats to raw water.
Based on the above-mentioned technical proposal it is found that the rolled film distillation equipment of the utility model has the advantages that：
(1) respectively vertical series substantially reduce connection tube side to effect membrane module from top to down, to reduce thermal losses；Raw water
The raw water channel of each effect membrane module is flowed through from top to bottom, and the souring of raw water effectively controls film wetting, concentration polarization and temperature
Difference polarization；
(2) equipment can be controlled by PLC with an external self-stripping unit and be needed cleaning equipment interval, in this way can be with
Effectively extend the time of film wetting.
(3) increasing membrane distillation disengagement area can steam by the diameter of increasing membrane module, or multiple multiple-effect rolled films
Modules in parallel is evaporated to realize, when using the distillation equipment, unit volume membrane area can increase by 500 than plate membrane distillation equipment
More than, to reduce the cost of investment of membrane distillation；
(4) high-salt wastewater concentration, such as reverse osmosis/high pressure reverse osmosis concentrated water be can be not only used for, it can be with concentrating waste acid
The materials such as (sulfuric acid, phosphoric acid, hydrochloric acid, nitric acid), salkali waste；
(5) waste heat that this equipment can be generated with solar energy, plant area's waste heat, air compressor machine and refrigerator, which carries out coupling, reduces fortune
Row cost.
Detailed description of the invention
Figure 1A is the longitdinal cross-section diagram of the rolling single-action membrane distillation equipment of the utility model；
Figure 1B is the view in transverse section of the rolling single-action membrane distillation equipment of the utility model；
Fig. 2 is the structural schematic diagram of the rolling multiple-effect membrane distillation equipment of the utility model, wherein being in series with multiple rolling lists
Imitate membrane distillation equipment；
Fig. 3 is that the rolling multiple-effect membrane distillation equipment parallel connection of the utility model increases the schematic diagram of disengagement area；
Fig. 4 is that the batch five of the utility model imitates the device company that rolled film distillation equipment is used to be concentrated reverse osmosis concentrated hydraulic art
Connect schematic diagram；
Fig. 5 is that the continuous five effects rolled film distillation equipment of the utility model is used to be concentrated the dress of iron chloride acid-bearing wastewater technique
Set connection schematic diagram；
In above-mentioned attached drawing, appended drawing reference meaning is as follows：
1, M, raw water inlet, 2, water outlet, 3, heating channel entrance, 4, condensation-water drain, 5, evaporation channel outlet are dredged
Moisture film, C, condensation film, 6, raw water channel, 7, heating channel, 8, evaporation channel, 9, raw water water tank, 10, condensation water collection tank,
11, condenser, 12, delivery pump, 13, vacuum system.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is described in further detail.
The utility model provides a kind of rolled film distillation equipment and the membrane distillation system using it, solves current rolling
The problems such as thermal losses is high in membrane distillation technique, operating cost is high, and also can be effectively controlled film wetting, concentration polarization and temperature difference pole
The influence of change.
Specifically, the rolled film distillation equipment of the utility model is coupled to form by hydrophobic membrane M and condensation film C at web-like, and
It is provided with heating channel, raw water channel and evaporation channel on the rolled film distillation equipment, and is provided with raw water inlet, concentrated water
Water outlet, heating channel entrance, condensation-water drain and evaporation channel outlet；Wherein：
Hydrophobic membrane M is microwell plate film made of hydrophobic material, for providing evaporating surface for raw water；
Condensation film C heats the heat source flowed through in channel condensation for making；
Channel is heated, is surrounded and is formed by the condensation film C, and is adjacent with the raw water channel and evaporation channel respectively, is used
In from heating channel entrance input heat source raw water to be processed in the raw water channel heated, and will thus condensed
Heat source is discharged from condensation-water drain；
Raw water channel for inputting raw water from raw water inlet, and will add between the condensation film C and hydrophobic membrane M
The raw water being concentrated after thermal evaporation is discharged from concentrated water water outlet；
Evaporation channel, is surrounded with the two panels hydrophobic membrane, the steam generated for receiving the raw water by thermal evaporation
And it is exported from evaporation channel and is discharged.
Wherein, the hydrophobic membrane M is to have supporter or the plate membrane without supporter；
Preferably, the hydrophobic membrane M with a thickness of 30~500 microns, aperture is 0.05~3 micron；
Preferably, the material of the hydrophobic membrane M is PTFE, PVDF, PP, PE, organic/organic or organic/inorganic alloy
Material；
Preferably, the condensation film C is plate non-porous film；
Preferably, 50~500 microns of the thickness of the condensation film C；
Preferably, the material of the condensation film C is PTFE, PVDF, PP, PE, organic/organic or organic/inorganic alloy
Material.
Wherein, the hydrophobic membrane M and condensation film C is stacked setting in CM, the hydrophobic membrane M and the condensation film C it
Between by being separated by with a thickness of 0.1~1 millimeter netted every lining；
Preferably, it is described it is netted every lining for braiding or it is non-woven；
Preferably, the netted material every lining is PTFE, PVDF, PP, PE, organic/organic or organic/inorganic alloy
Material；
Preferably, the netted mesh size every lining is 0.2~10 millimeter.
Wherein, the hydrophobic membrane M and condensation film C is rolled into cylindrical shape and is vertically arranged in the rolled film distillation equipment；
Preferably, described 10~100 centimetres of rolled film distillation equipment diameter, 20~100 centimetres of height.
Wherein, the rolled film distillation equipment of multiple single-action is longitudinally connected from top to down, forms the rolled film of multiple-effect
Distillation equipment.
Wherein, in the rolled film distillation equipment of the multiple-effect, the evaporation channel of a upper effect and the heating channel of next effect
Vertical connection；The raw water channel of a upper effect is connected with the raw water channel of next effect.
Wherein, the operation temperature of the rolled film distillation equipment of the multiple-effect is 40-100 DEG C；
Preferably, the first effect is heated using 70~150 DEG C of heat source when work, or various waste heats are used, such as low product steam
The waste heat or fume waste heat, cooling water process waste heat that vapour or air compressor machine, freezer device operation generate, or and solar energy equipment
Coupling is heated.
The invention also discloses a kind of membrane distillation systems, which is characterized in that including：
Rolled film distillation equipment as described above；
Condensation water collection tank, the condensation water collection tank are installed on outside the rolling membrane component, with the rolled film
Heating channel in distillation equipment is connected with afterbody evaporation channel, and is connected with vacuum system；
Vacuum system, for reducing the pressure of evaporation channel in the rolled film distillation equipment to increase the two sides hydrophobic membrane M
Pressure difference, also be used to guide evaporated vapor trend and condensed water is extracted into condensation water collection tank, thus each effect rolled film steaming
The evaporated vapor for evaporating equipment generation enters next effect rolled film distillation equipment under the guidance of the vacuum system and heats to raw water.
Wherein, the membrane distillation system further includes a self-stripping unit integrally washed away with air water, the self-cleaning dress
It sets and is connected with the raw water inlet of the rolled film distillation equipment and concentrated water water outlet, periodically scrubbed by controller control
Hydrophobic membrane M.
Wherein, the vacuum degree that the vacuum system generates is 5-900mbar.
The invention also discloses a kind of rolling multiple-effect membrane distillation equipment, the rollings as a preferred implementation manner,
Multiple-effect membrane distillation equipment includes：
Multiple single-action membrane components, the membrane component be equipped with raw water inlet, concentrated water water outlet, heating channel into
Mouth, condensed water water outlet and evaporation channel outlet；
Hydrophobic membrane, hydrophobic membrane are mounted in the membrane component with canoe；
Condensation film, condensation film are mounted in the membrane component with canoe；
It heats channel (condensation water channel), heating channel is formed by condensation film and is set to membrane component with canoe
It is interior and adjacent with raw water channel and evaporation channel respectively；
Raw water channel, raw water channel are formed by condensation film and hydrophobic membrane and are set to the membrane component with canoe
It is interior and adjacent with evaporation channel and heating channel respectively；
Evaporation channel, evaporation channel are formed by hydrophobic membrane and condensation film and are set in membrane component with canoe,
And it is adjacent with raw water channel and heating channel respectively；
Condensation water collection tank, the condensation water collection tank are installed on outside membrane distillation equipment, and heat channel in membrane distillation equipment
It is connected with afterbody evaporation channel；And it is connected with vacuum pump.
Water inlet is used to supply raw water to membrane component, and concentrated water water outlet is used to that concentration raw water to be discharged from membrane component
(concentrated water), for evaporating raw water under heating and generating steam, heating channel entrance is used for membrane distillation group membrane component
Part supplied heat source, condensation-water drain pass through thin for condensed heat source, hydrophobic membrane to be discharged for the evaporated vapor that raw water generates
Moisture film enters evaporation channel, and condensation film is for condensing heat source, and raw water is heated for heat source in heating channel, and raw water channel is for original
The heat content of water reception heat source simultaneously generates evaporated vapor, and the evaporated vapor that evaporation channel is used to collect raw water generation adds for next effect
Pyrogen water, condensation water collection tank are used to collect the condensed water of steam generation.
10~100 centimetres of membrane module diameter, 20~100 centimetres of height.Hydrophobic membrane is to have supporter or flat without supporter
Plate film, with a thickness of 30~500 microns, aperture is 0.05~3 micron, the material of hydrophobic membrane is PTFE, PVDF, PP, PE, it is organic/
Organic or organic/inorganic alloy material.
Condensation film be plate non-porous film, 50~500 microns of thickness, condensation membrane material be PTFE, PVDF, PP, PE, it is organic/
Organic or organic/inorganic alloy material.
It is netted every lining for braiding and it is non-woven, it is netted every lining material matter be PTFE, PVDF, PP, PE, it is organic/organic or organic/
Inorganic alloy material, mesh size are 0.2~10 millimeter.
Hydrophobic membrane M and condensation film C is stacked setting in CM, is separated by by 0.1~5 millimeter netted every lining between film.Hydrophobic membrane,
It condensation film and it is rolled into cylindrical shape is together vertically arranged in membrane component every lining.One membrane component is single-action membrane distillation,
The longitudinal series connection from top to down of multiple single-action membrane components is formed multiple-effect membrane distillation equipment.Multiple-effect membrane distillation equipment is in parallel
It can be increased the amount of processing raw water.A upper effect evaporation channel and next effect heat channel vertical connection；It is upper one effect raw water channel and
Next effect raw water channel is connected.Condensation-water drain is connected with vacuum system via condensation water collection tank.
In above scheme, multiple-effect membrane distillation equipment operating temperature is 40-90 DEG C, when work, the first effect heating can with 70~
150 DEG C of heat source, such as low product steam can also use various waste heats, such as：Hot water, flue gas, hot oil etc..When work, raw water is from more
The first effect membrane component raw water inlet on effect membrane distillation equipment top enters membrane distillation equipment, flows through each effect film from top to bottom
Component is distilled, from the concentrated water spout outflow of last effect membrane component, flow can be carried out by the valve of last effect concentrated water spout
It adjusts.In the first effect membrane component, raw water by the heat source heating in heating channel, the steam of generation through hydrophobic membrane into
Enter evaporation channel, raw water is heated in the heating channel that next effect membrane component is entered under the guidance of vacuum system；Heating source
Condensation water collection tank is flowed out into from condensed water water outlet with being condensate under the guidance of vacuum system after raw water exchange heat content.Very
Empty set system is used to reduce the pressure of evaporation channel to increase the pressure difference of hydrophobic membrane two sides and improve membrane flux, while being also used to guide steaming
The trend of bleed steam and condensed water is extracted into condensation water collection tank.The vacuum degree of vacuum system is 5-900mbar.
It is clear to be more clear the technical solution of the utility model and advantage, it is with reference to the accompanying drawings and in conjunction with the embodiments right
The utility model is further elaborated explanation.
Embodiment 1
It is as shown in Figure 1A the longitudinal section of the single-action rolling membrane component of the utility model；Figure 1B show single-action volume
The cross section of formula membrane component；This rolling membrane component be equipped with raw water inlet 1 and water outlet 2, heating channel entrance 3,
Condensation-water drain 4 and evaporation channel outlet 5；There are hydrophobic membrane M, condensation film C in component, be stacked with CM and be rolled into axis to be separated by every lining
It is put into putamina and forms raw water channel 6, heating channel 7 and evaporation channel 8.As shown in Fig. 2, multiple single-action rolling membrane components
Series connection is connected shape with raw water water tank 9, condensation water collection tank 10, condenser 11, delivery pump 12 and vacuum system 13 from top to bottom
At multiple-effect rolled film distillation equipment, the raw water water outlet of a upper effect is connected with the raw water inlet of next effect, the evaporation of a upper effect
Channel outlet is connected with the heating channel entrance of next effect.The diameter for increasing membrane module increases membrane area, can also multiple
Multiple-effect rolling membrane distillation modules in parallel increases membrane area, as shown in Figure 3.Delivery pump is used to convey raw water.
Embodiment 2
As shown in figure 4, batch five, which imitates rolled film distillation equipment, is concentrated reverse osmosis concentrated hydraulic art, from TDS100,
000ppm is concentrated into TDS200,000ppm, and steam power plant's high-temperature flue gas and hot water provide heat source for it.Heat source imitates membrane module from first
Heating channel enter rolling multiple-effect membrane distillation equipment, and enter the reverse osmosis concentrated water coke slurry of membrane distillation equipment from the effect of top first
Be condensed outflow system after heat content.Steam is generated while reverse osmosis concentrated water is heated under the control of vacuum degree and penetrates hydrophobic membrane
Into evaporation channel；Evaporated vapor enters the heating channel of the second effect to from the reverse osmosis of the first effect under the guidance of vacuum pump
Concentrated water is heated；It is condensed after the heating steam and reverse osmosis concentrated water coke slurry heat content of second effect, under the guidance of vacuum system
Entering condensation water collection tank from condensation-water drain outflow is to produce water；In vacuum degree while the reverse osmosis concentrated water of second effect is heated
Control under generate steam through hydrophobic membrane enter evaporation channel be third imitate heating source is provided.And so on, what is be concentrated is anti-
Infiltration concentrated water enters reverse osmosis concentrated water compensator from the concentrated water outlet outflow of the 5th effect membrane component and is concentrated again；5th effect
The steam of generation enters external condenser from evaporation channel under the guidance of vacuum system and is flowed into condensation after the condensation of external cold water
Water collecting tank is as production water.Finally, reverse osmosis concentrated water TDS can be concentrated into 220,000ppm.The external self-cleaning dress of equipment
It sets, can be controlled by PLC and need cleaning equipment interval, the water for having cleaned equipment is returned to reverse osmosis concentrated water compensator.
Embodiment 3
As shown in figure 5, iron chloride acid-bearing wastewater technique, initial iron chloride is concentrated in a continuous five effects rolled film distillation equipment
Concentration is 18% or so, and 100 DEG C of low product steam provide heat source for it, and iron chloride acid-bearing wastewater is before entering membrane distillation equipment through pre-
Oil removal, particulate matter are removed in processing.Low product steam directly enters rolled film distillation equipment from the heating feeder connection of the first effect
With the guidance for being condensed in vacuum system after the iron chloride acid-bearing wastewater exchange heat content from the effect of top first into membrane distillation equipment
Under from condensation-water drain outflow enter condensation water collection tank；While iron chloride acid-bearing wastewater is heated under the control of vacuum degree
It generates steam and enters evaporation channel through hydrophobic membrane；Evaporated vapor enters the heating channel of the second effect under the guidance of vacuum system
Iron chloride acid-bearing wastewater from the first effect is heated；The heating steam and iron chloride acid-bearing wastewater of second effect exchange heat content
After be condensed, under the guidance of vacuum system from condensation-water drain outflow enter condensation water collection tank be produce water；The chlorine of second effect
Generating steam while change iron acid-bearing wastewater is heated under the control of vacuum degree to enter evaporation channel through hydrophobic membrane is third
Effect provides heating source.And so on, the iron chloride acid-bearing wastewater being concentrated exports outflow from the concentrated water of the 5th effect membrane component
Enter second five effect rolled film distillation equipment by elevator pump to be concentrated again, be set by 5 concatenated five effects rolling membrane distillations
Standby, ferric chloride concn can be concentrated into 40% or more.The external self-stripping unit of equipment can be controlled by PLC and cleaning is needed to set
Standby interval, the water for having cleaned equipment are returned to reverse osmosis concentrated water balance pipe.
Due to the rolling membrane distillation using the utility model, heat utilization efficiency be can achieve in concentration technology described above
5 effects.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (11)
1. a kind of rolled film distillation equipment, which is characterized in that the rolled film distillation equipment is coiled by hydrophobic membrane M and condensation film C
Shape is coupled to form, and heating channel, raw water channel and evaporation channel is provided on the rolled film distillation equipment, and be provided with original
Water water inlet, concentrated water water outlet, heating channel entrance, condensation-water drain and evaporation channel outlet；Wherein：
Hydrophobic membrane M is microwell plate film made of hydrophobic material, for providing evaporating surface for raw water；
Condensation film C heats the heat source flowed through in channel condensation for making；
Heat channel, surrounded and formed by the condensation film C, and is adjacent with the raw water channel and evaporation channel respectively, for from
The heat source that heating channel entrance inputs heat source raw water to be processed in the raw water channel is heated, and will thus be condensed
It is discharged from condensation-water drain；
For inputting raw water from raw water inlet, and heating is steamed between the condensation film C and hydrophobic membrane M in raw water channel
The raw water being concentrated after hair is discharged from concentrated water water outlet；
Evaporation channel is surrounded with hydrophobic membrane M described in two panels, and the steam generated by thermal evaporation for receiving the raw water simultaneously will
It exports from evaporation channel and is discharged.
2. rolled film distillation equipment according to claim 1, which is characterized in that the hydrophobic membrane M is to have supporter or nothing
The plate membrane of supporter；
Wherein, the hydrophobic membrane M with a thickness of 30~500 microns, aperture is 0.05~3 micron；
Wherein, the material of the hydrophobic membrane M is PTFE, PVDF, PP, PE, organic/organic or organic/inorganic alloy material；
Wherein, the condensation film C is plate non-porous film；
Wherein, 50~500 microns of the thickness of the condensation film C；
Wherein, the material of the condensation film C is PTFE, PVDF, PP, PE, organic/organic or organic/inorganic alloy material.
3. rolled film distillation equipment according to claim 1, which is characterized in that the hydrophobic membrane M and the condensation film C are in
CM is stacked setting, by being separated by with a thickness of 0.1~1 millimeter netted every lining between the hydrophobic membrane M and the condensation film C；
Wherein, it is described it is netted every lining for braiding or it is non-woven；
Wherein, the netted material every lining is PTFE, PVDF, PP, PE, organic/organic or organic/inorganic alloy material；
Wherein, the netted mesh size every lining is 0.2~10 millimeter.
4. rolled film distillation equipment according to claim 1, which is characterized in that the hydrophobic membrane M and condensation film C are rolled into circle
Post shapes are vertically arranged in the rolled film distillation equipment；
Wherein, described 10~100 centimetres of rolled film distillation equipment diameter, 20~100 centimetres of height.
5. rolled film distillation equipment according to claim 1, which is characterized in that the rolling membrane distillation of multiple single-action
Equipment is longitudinally connected from top to down, forms the rolled film distillation equipment of multiple-effect.
6. rolled film distillation equipment according to claim 5, which is characterized in that in the rolled film distillation equipment of the multiple-effect
In, the evaporation channel of a upper effect and the heating channel vertical connection of next effect；The raw water channel of a upper effect and the raw water of next effect
Channel is connected.
7. rolled film distillation equipment according to claim 5, which is characterized in that the rolled film distillation equipment of the multiple-effect
Operation temperature is 40-100 DEG C；
Wherein, the first effect is heated using 70~150 DEG C of heat source when work.
8. rolled film distillation equipment according to claim 7, which is characterized in that the heating of the first effect uses low product when work
The waste heat or fume waste heat, cooling water process waste heat that steam or air compressor machine, freezer device operation generate, or set with solar energy
Standby coupling is heated.
9. a kind of membrane distillation system, which is characterized in that including：
Rolled film distillation equipment as described in claim 1 to 8 any one；
Condensation water collection tank, the condensation water collection tank are installed on outside the rolling membrane component, with the rolling membrane distillation
Heating channel in equipment is connected with afterbody evaporation channel, and is connected with vacuum system；
Vacuum system increases the pressure of the two sides hydrophobic membrane M for reducing the pressure of evaporation channel in the rolled film distillation equipment
Difference also is used to guide the trend of evaporated vapor and condensed water is extracted into condensation water collection tank, so that each effect rolling membrane distillation is set
The standby evaporated vapor generated enters next effect rolled film distillation equipment under the guidance of the vacuum system and heats to raw water.
10. membrane distillation system according to claim 9, which is characterized in that the membrane distillation system further includes one with gas
The self-stripping unit that water integrally washes away, the raw water inlet and concentrated water of the self-stripping unit and the rolled film distillation equipment go out
The mouth of a river is connected, and periodically scrubs hydrophobic membrane M by controller control.
11. membrane distillation system according to claim 9, which is characterized in that the vacuum degree that the vacuum system generates is 5-
900mbar。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923194.8U CN208097833U (en) | 2017-12-29 | 2017-12-29 | Rolled film distillation equipment and the membrane distillation system for using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923194.8U CN208097833U (en) | 2017-12-29 | 2017-12-29 | Rolled film distillation equipment and the membrane distillation system for using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208097833U true CN208097833U (en) | 2018-11-16 |
Family
ID=64128147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721923194.8U Active CN208097833U (en) | 2017-12-29 | 2017-12-29 | Rolled film distillation equipment and the membrane distillation system for using it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208097833U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067100A (en) * | 2017-12-29 | 2018-05-25 | 北京中科瑞升资源环境技术有限公司 | Rolled film distillation equipment and use its membrane distillation system |
| CN114132995A (en) * | 2021-12-13 | 2022-03-04 | 同济大学 | Coal chemical wastewater concentration and crystallization integrated and reclaimed water recovery device and method |
-
2017
- 2017-12-29 CN CN201721923194.8U patent/CN208097833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067100A (en) * | 2017-12-29 | 2018-05-25 | 北京中科瑞升资源环境技术有限公司 | Rolled film distillation equipment and use its membrane distillation system |
| CN114132995A (en) * | 2021-12-13 | 2022-03-04 | 同济大学 | Coal chemical wastewater concentration and crystallization integrated and reclaimed water recovery device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106334327B (en) | A kind of alcohol distillation production method | |
| WO2021213552A1 (en) | Multi-column differential pressure energy-saving anhydrous alcohol distillation system and anhydrous alcohol energy-saving production method | |
| CN206304378U (en) | The energy-conservation MVR evaporators that a kind of vapor recompression is utilized | |
| CN201587871U (en) | Multi-stage vacuum distillation sea water desalinating device | |
| CN208097833U (en) | Rolled film distillation equipment and the membrane distillation system for using it | |
| CN106766342A (en) | Ammonia still process column overhead ammonia vapour residual heat system is reclaimed using lithium bromide absorption type heat pump | |
| CN109020031A (en) | A kind of evaporation concentration system based on thermal compression | |
| CN104524793A (en) | MVR evaporator | |
| CN201834781U (en) | Single-stage vacuum distillation seawater desalination device | |
| CN108067103A (en) | Doughnut tablet coupled film distillation equipment and use its membrane distillation system | |
| CN201660457U (en) | Novel multiple-effect distilled sea water desalination device | |
| CN101985368A (en) | Condenser type seawater desalting device with steam turbine generator unit | |
| CN108067100A (en) | Rolled film distillation equipment and use its membrane distillation system | |
| CN210764425U (en) | Solar high-temperature high-pressure expansion flash system for salt-containing wastewater | |
| CN108128831A (en) | Solar heat pump desalination plant | |
| CN107869860A (en) | A kind of first-class absorption type heat pump of solar energy auxiliary heating | |
| CN201882942U (en) | Power-generation turboset condenser type sea water desalinating unit | |
| CN109775789B (en) | Heat pipe vacuum drying system and application thereof | |
| CN205031921U (en) | Strip tower flash steam's heat energy and solvent recycling system | |
| CN106966462A (en) | A kind of multistage seawater desalting coupled system | |
| CN207585143U (en) | A kind of first-class absorption type heat pump of solar energy auxiliary heating | |
| CN207734624U (en) | A kind of multi-way concentration purifying plant | |
| CN208003773U (en) | Doughnut tablet coupled film distillation equipment and use its membrane distillation system | |
| CN206397551U (en) | The composite power circulatory system and electricity generation system | |
| CN205999044U (en) | A kind of low temperature multiple-effect distillation seawater desalination system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |