CN108328685A - A kind of solar energy biogas slurry evaporation concentration device - Google Patents
A kind of solar energy biogas slurry evaporation concentration device Download PDFInfo
- Publication number
- CN108328685A CN108328685A CN201810198738.1A CN201810198738A CN108328685A CN 108328685 A CN108328685 A CN 108328685A CN 201810198738 A CN201810198738 A CN 201810198738A CN 108328685 A CN108328685 A CN 108328685A
- Authority
- CN
- China
- Prior art keywords
- collecting plate
- biogas slurry
- distillate
- evaporation concentration
- concentration device
- 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.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0029—Use of radiation
- B01D1/0035—Solar energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0088—Cascade evaporators
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Abstract
The present invention relates to a kind of solar energy biogas slurry evaporation concentration devices.Including：Collecting plate, transparent cover plate, distiller shell, distillery, distillate collecting tank, distillate recovery pond and concentrate recovery pond etc..Collecting plate is set in distiller shell；Water fender sets every layer of collecting plate edge, water fender length and collecting plate equal length, and the flowing of biogas slurry single flow or water fender length are less than collecting plate length in being staggered, and biogas slurry flows for S types；Transparent cover plate is placed in distiller shell upper, is distillery between transparent cover plate and collecting plate, and distillery upper end is connected with feed pipe and into/exhaust duct, and lower end is connected with distillate discharge pipe and concentrate discharge pipe, is connected into/exhaust duct with wind turbine；Distillate collecting tank is fixed in distiller shell, and distillate discharge pipe is connected with distillate recovery pond；Concentrate recovery pond is connected with collecting plate；Collecting plate is under-filled to have paraffin, distiller shell surrounding and bottom oil thermal insulating material, single unit system to be located on inverted trapezoidal holder.
Description
Technical field
The invention belongs to rural area utilization of regenerative energy technical field, concentrated with biogas slurry and related using field, the present invention is outstanding
It is related to a kind of solar energy biogas slurry evaporation concentration device.
Background technology
Chinese countryside agricultural wastes quantum of output cumulative year after year, minimizing of the biogas engineering in terms of agricultural wastes, money
Source, innoxious feature are increasingly concerned by people and are rapidly developed.But biogas engineering is in production biogas
A large amount of biogas slurry is will produce simultaneously, since biogas slurry yield is excessive, nutrient density is relatively low, is all caused very to its processing and utilization
Big difficulty becomes the bottleneck for restricting biogas industry development, is the one of biogas slurry recycling by biogas slurry concentration minimizing therefore
Kind approach.Biogas slurry volume after concentration reduces, and nutrient density is higher, convenient for storage and transport, is carried for its subsequent comprehensive utilization
For advantage, therefore it is the key that realize that biogas slurry is reasonable, efficiently utilize to develop rationally effective biogas slurry concentration technique and device
Link.
Currently, biogas slurry concentration technique mainly has film concentration and negative pressure evaporation concentration.Film concentration technique have concentrated effect it is good,
The advantages that cycles of concentration is high, nutrient loss is few.But membrane technology cost of investment is high, energy consumption is greatly to environmental condition and operational administrative
There are strict requirements, additionally due to film needs are frequently cleaned and replaced, therefore membrane pollution problem is also to hinder film concentration
The critical issue of technology development.Negative pressure evaporation concentration technique has the features such as easy to operate, low to stoste requirement gradually by people
Concern, but negative pressure evaporation is required to consume higher energy in terms of the control of negative pressure and biogas slurry heating.
Solar energy is to be distributed the permanent regenerative resource the most extensive, resource is the abundantest, the solar thermal utilization of solar energy
It is one of the major way of Solar use.The present invention, using its Photothermal characterisation, carries out biogas slurry evaporation using solar energy as heat source
Concentration, devises a kind of small, at low cost, operating aspect the solar energy biogas slurry evaporation concentration technique of energy consumption and device.
Invention content
The purpose of the present invention is to solve existing biogas slurry concentration technique and device consume energy in biogas slurry concentration process greatly,
System complex of high cost, operation require the defects of high, provide a kind of solar energy biogas slurry evaporation concentration device, the apparatus structure is tight
It gathers, need not frequently replace component, non-maintaining, the solar energy natural pond that cost of investment is low, energy consumption is small, easy to operate and easy to spread
Liquid evaporation concentration device.
It is described that technical scheme is as follows：
A kind of solar energy biogas slurry evaporation concentration device, the evaporation concentration device includes collecting plate 1, water fender 2, transparent
Cover board 3, distiller shell 11, distillery 4, distillate collecting tank 5, heat-storing material layer 10, adiabator layer 12, distillate recycling
Pond 9, concentrate recovery pond 8, wind turbine 14 and inverted trapezoidal holder 17；The collecting plate 1 is placed in the inside of distiller shell 11；It is described
Water fender 2 is placed in the edge of every layer of collecting plate 1, and the equal length of the length and collecting plate 1 of the water fender 2 makes biogas slurry in straight
Streaming (being equivalent to straight-line) flows length of the length less than collecting plate 1 of (as shown in Figure 4) or the water fender 2 and submission
Mistake arrangement (as shown in Figure 6), makes the S-type flowing of biogas slurry；The transparent cover plate 3 is placed in the top of distiller shell 11, described
It is closed distillery 4 between bright cover board 3 and collecting plate 1；Distillery 4 is located at the top of evaporation concentration device, that is, collecting plate 1
Between transparent cover plate 3, the upper end of distillery is connected to feed pipe 16 and into/exhaust duct 13 respectively, lower end respectively with distillation
Liquid discharge pipe 6 and concentrate discharge pipe 7 connect, and feed pipe 16 is equipped with sewage control valve 15, connect into/exhaust duct 13 with wind turbine 14
It is logical；Distillate collecting tank 5 is fixed on the inner wall of distiller shell 11, passes through distillate discharge pipe 6 and 9 phase of distillate recovery pond
Even；Concentrate recovery pond 8 is connected by concentrate discharge pipe 7 with collecting plate 1；The under-filled of collecting plate 1 has phase-transition heat-storage material
Material 10 (phase change heat storage material is preferably paraffin, the characteristic of the material be heat absorption on daytime, evening heat release, it can be achieved that device it is continuous
Run without interruption), the surrounding of distiller shell 11 and bottom are equipped with thermal insulation material 12；The evaporation concentration device is mounted on
On trapezoid support 17.
Above-mentioned collecting plate 1 and transparent cover plate 3 constitute stepped distillery 4, and the angle of distillery and horizontal plane is in 90 °；
Every layer of horizontal plane outer rim of collecting plate is provided with water fender 2.
Above-mentioned water fender mounting height is higher than 5~50mm of collecting plate horizontal plane；The length of water fender is 950mm (such as Fig. 6
Shown in S types continuous-flow type) and 1000mm (the single flow flow of such as Fig. 4), but implement the present invention, the length of water fender is not limited to
This.
The external coating of above-mentioned collecting plate 1 and water fender 2 has light absorption paint coating.
Above-mentioned transparent cover plate 3 is the tempered glass of 4mm thickness, and the transmitance of sunlight is made to be no less than 90%.
Above-mentioned wind turbine 14 is into/exhaust blower, and preferably power is about 20~60W, on the one hand can be discharged more in distillery
Vapor, reduce humidity, on the other hand can also reinforce distilling indoor heat and mass, accelerate biogas slurry concentration, evaporation.
The angle of above-mentioned evaporation concentration device and horizontal plane is 20 °~45 °, and collector area is about 2m2, but not limited to this.
The present invention has good effect as described below：
(1) present invention uses multistage step thermal-arrest harden structure, is conducive to increase endotherm area, improves biogas slurry concentration effect
Rate.
(2) present invention using exhaust blower generate tiny structure, can the indoor air agitation of intensifying distillation, improve evaporation process in
Heat and mass efficiency.
(3) invention increases phase change heat storage material such as paraffin, can keep evaporating at the night of no solar radiation
Enrichment facility continue working.
(4) present invention is a kind of environment-friendly type clean energy resource, can heat biogas slurry, as long as having too using solar energy as heat source
Sunlight can just make biogas slurry continuously evaporate, concentrate, and can greatly reduce energy consumption, significantly reduce production cost.
(5) entire evaporation concentration device of the invention is compact-sized, simple, practical and easy to operate, operating cost is low,
It is suitble to rural area large-scale promotion application.
Description of the drawings
Fig. 1：A kind of structural schematic diagram of solar energy biogas slurry evaporation concentration device (being shown as tiny structure function).Reference numeral
Explanation：Arrow direction is shown as negative pressure and flows to outward, i.e. between evaporation concentration device component 14-16.
Fig. 2：A kind of structural schematic diagram of solar energy biogas slurry evaporation concentration device (being shown as micro-positive pressure function).Reference numeral
Explanation：Arrow direction is inwardly shown as positive pressure and flows to, i.e. between evaporation concentration device component 14-16.
Fig. 3：The internal structure schematic diagram of single flow multistage ladder evaporation concentration device.
Fig. 4：The biogas slurry liquid form schematic diagram of single flow.
Fig. 5：The internal structure schematic diagram of S type streaming multistage ladder evaporation concentration devices.
Fig. 6：The biogas slurry liquid form schematic diagram of S type streamings.
Reference sign：1- collecting plates, 2- water fenders, 3- transparent cover plates, 4- distilleries, 5- distillate collecting tanks, 6-
Distillate discharge pipe, 7- concentrate discharge pipes, 8- concentrate recovery ponds, 9- distillate recovery ponds, 10- heat-storing materials, 11- distillations
Device shell, 12- adiabator layers, 13- is into/exhaust duct, 14- wind turbines, 15- sewage control valves, 16- feed pipes, 17- inverted trapezoidal branch
Frame.
Specific implementation mode
Embodiment 1 (basic embodiment)
The present invention is a kind of solar energy biogas slurry evaporation concentration device, and the device includes：Collecting plate, transparent cover plate, steaming
Evaporate device shell, distillery, distillate collecting tank, heat-storing material, adiabator layer, distillate recovery pond, concentrate recovery pond, wind
Machine and inverted trapezoidal holder.Collecting plate is placed in distiller enclosure.Water fender is placed in the edge of every layer of collecting plate 1, water fender
Length and the equal length of collecting plate make length of the biogas slurry in the length of single flow flowing (see Fig. 4) or water fender less than collecting plate
Simultaneously interlaced arrangement (see Fig. 6) is spent, it is in S streamings to make biogas slurry.Transparent cover plate is placed in the top of distiller shell, transparent glass cover board and
It is closed distillery between collecting plate 1.Distillery upper end connects feed pipe and into/exhaust duct, and feed pipe is equipped with sewage control
Valve, convenient for adjusting the flow of biogas slurry.It is connect into/exhaust duct with wind turbine, indoor excessive water vapour will be distilled and exclude room in time
Outside, to reduce indoor humidity.Distillate collecting tank is fixed on the inner wall of distiller shell, and passes through distillate discharge pipe and steaming
Distillate recovery pond is connected.Concentrate recovery pond is connected by concentrate discharge pipe with collecting plate.Accumulation of heat material is filled under collecting plate
Work stone wax ensures that the present apparatus also can continuous service at the night of no solar radiation.The surrounding of distiller shell and bottom, which are equipped with, to be protected
Adiabator.The evaporation concentration device is mounted on inverted trapezoidal holder.
The angle of the collecting plate distillery stepped with transparent cover plate composition, distillery and horizontal plane is in 90 °.Collecting
Every layer of horizontal plane outer rim of hot plate is provided with water fender.
It is preferred that the long 1m of collecting plate, the wide 0.05m of horizontal component, the wide 0.03m of vertical portion, set 20 ladders, preferably water blocking altogether
Plate mounting height is higher than collecting plate 5~50mm of horizontal plane, and length can be 950mm (S type water flow modes are applicable in) and 1000mm (direct currents
Formula or straight-line water flow mode are applicable in), it is preferable that collecting plate and water fender the gross area can be 1.7~2.6m2(implement
The present invention can parameter without being limited thereto).
The external coating of the collecting plate and water fender has light absorption paint coating.
The transparent cover plate is preferably the tempered glass of 4mm thickness, and sun light transmission rate is made to be no less than 90%.
The wind turbine 14 is into/exhaust blower, and preferably power is 20~60W.
The heat-storing material is preferably paraffin, with other heat-storing materials such as Na2SO4·10H2O、CaCl2·6H2O, fat
Acid, pentaerythrite, neopentyl glycol etc. are compared, and paraffin has stable chemical performance, energy Reusability existing without supercooling or brilliant liquid separation
As, heat-transfer effect is good and cheap, it is nontoxic and corrosion-free the advantages that.
The evaporation concentration device of the present invention and the installation angle of horizontal plane are 20 °~45 °.Preferably, the steaming of the present embodiment
The total collector area for sending out enrichment facility is 2m2。
The thermal insulation material can be selected from polystyrene foam, insulating rubber plastic, rock wool, asbestos or mineral wool etc..
Solar radiation is absorbed through transparent cover plate by collecting plate in the present invention, is made collecting plate and is evaporated indoor temperature liter
Height, while being flowed on collecting plate from feed inlet by filtered biogas slurry, by the effect of water fender, one is formed on collecting plate
Layer thin water film, moisture film temperature after absorbing solar radiation increase, and for biogas slurry by thermal evaporation, the vapor of generation is cold on transparent cover plate
It is condensed into distilled water, is flowed into distillate recovery pond through distillate collecting tank, the biogas slurry after concentration flows into concentrate recovery pond.
Exhaust blower is connected on the top of distillery, is constantly excluded water vapour excessive in distillery, the present invention can manufacture tiny structure
Environment, while the indoor cross-ventilation of intensifying distillation increase heat and mass efficiency, accelerate biogas slurry and are concentrated by evaporation rate.Collecting plate
Under-filled phase-change heat-storage material (such as paraffin), the heat accumulating collect extra solar radiation on daytime, are used for the steaming at night
Hair heats, and what realization device was run can continuity.Heat collector surrounding and bottom covering insulation material reduce heat waste in evaporation process
It loses, realizes the low cost of biogas slurry and efficient concentration.
Embodiment 2
Illustrate embodiments of the present invention in conjunction with Fig. 1 and 3.The present embodiment is concentrated by evaporation for a kind of tiny structure solar energy biogas slurry
Device.Wherein collecting plate length can be 1m, the wide 0.05m of horizontal component, the wide 0.03m of vertical portion, set 20 ladders altogether.Water fender is long
Can be 1m, height can be 10mm, and collecting plate and water fender the gross area is 1.8m2, transparent cover plate be 4mm tempered glass (too
Sunlight transmittance rate is not less than 90%) ventilator selection 40W exhaust blowers.Heat-storing material selects paraffin, thermal insulation material to select rubber and plastic heat preservation
Material.The setting angle (horizontal sextant angle) of evaporation concentration device and horizontal plane is 30 °.The evaporation concentration device of the present invention is in Central China
Under the conditions of the fine day in area, the water yield of winter and summer device is respectively up to 3~4L/d and 8~10L/d.
Embodiment 3
Illustrate embodiments of the present invention in conjunction with Fig. 2 and 3.The present embodiment is concentrated by evaporation for a kind of micro-positive pressure solar energy biogas slurry
Device.Relative to solar energy biogas slurry evaporation concentration device described in embodiment 1, the evaporation concentration device of the present embodiment to wind turbine into
Improvement is gone.Present embodiment collecting plate length can be 1m, horizontal component it is wide be 0.05m, wide vertical portion is 0.03m, be total to
If 20 ladders.Water fender length can be 1m, and height can be 10mm, and collecting plate and water fender the gross area can be 1.8m2, transparency cover
The tempered glass (sun light transmission rate is not less than 90%) that plate is 4mm, stone can be selected in ventilator selection 40W air inlet fans, heat-storing material
Wax, thermal insulation material select insulating rubber plastic.(level is pressed from both sides for the evaporation concentration device of the present embodiment and the setting angle of horizontal plane
Angle) it is 30 °.For this evaporation concentration device under the conditions of the fine day of Central China, the water yield of winter and summer device is respectively up to 3
~5L/d and 8~12L/d.
Embodiment 4
Illustrate present embodiment in conjunction with Fig. 2 and Fig. 4, applicant passes through the length and arrangement for changing water fender in the present embodiment
Biogas slurry is changed to the flowing of S types by form in the indoor liquid form of evaporation by once-through type.In present embodiment, collecting plate length can be
It is 0.05m that 1m, horizontal component are wide, wide vertical portion is 0.03m, sets 20 ladders altogether.The long 0.95m of water fender, at every layer
Staggeredly there are the biogas slurry outfluxes of 0.05m wide.The height of water fender is 10mm, and collecting plate and water fender the gross area is
1.79m2.The tempered glass (sun light transmission rate is not less than 90%) that transparent cover plate is 4mm, ventilator selection 40W air inlet fans, accumulation of heat
Material selection paraffin, thermal insulation material select insulating rubber plastic.The evaporation concentration device of the present embodiment and the established angle of horizontal plane
It is 30 ° to spend (horizontal sextant angle).The evaporation concentration device of the present invention is under the conditions of the fine day of Central China, the production water of winter and summer
Amount is respectively up to 4~6L/d and 10~15L/d.
Claims (8)
1. a kind of solar energy biogas slurry evaporation concentration device, which is characterized in that the evaporation concentration device include collecting plate (1),
Water fender (2), transparent cover plate (3), distiller shell (11), distillery (4), distillate collecting tank (5), heat-storing material layer
(10), adiabator layer (12), distillate recovery pond (9), concentrate recovery pond (8), wind turbine (14) and inverted trapezoidal holder (17)；
It is internal that the collecting plate (1) is placed in distiller shell (11)；The water fender (2) is placed in the edge of every layer of collecting plate (1), described
The equal length of the length and collecting plate (1) of water fender (2) makes biogas slurry in single flow flowing or the length of the water fender (2)
Less than collecting plate (1) length and be in interlaced arrangement, make the S-type flowing of biogas slurry；The transparent cover plate (3) is placed in distiller shell
(11) top is closed distillery (4) between the transparent cover plate (3) and collecting plate (1)；Distillery (4) is located at evaporation
The top of enrichment facility, that is, between collecting plate (1) and transparent cover plate (3), the upper end of distillery respectively with feed pipe (16) and
Into/exhaust duct (13) connection, lower end is connect with distillate discharge pipe (6) and concentrate discharge pipe (7) respectively, feed pipe (16)
It is equipped with sewage control valve (15), is connected into/exhaust duct (13) with wind turbine (14)；Distillate collecting tank (5) is fixed on distiller
The inner wall of shell (11) is connected by distillate discharge pipe (6) with distillate recovery pond (9)；Concentrate recovery pond (8) is by dense
Contracting liquid discharge pipe (7) is connected with collecting plate (1)；The under-filled of collecting plate (1) has phase change heat storage material (10), distiller shell
(11) surrounding and bottom is equipped with thermal insulation material (12)；The evaporation concentration device is mounted on inverted trapezoidal holder (17).
2. a kind of solar energy biogas slurry evaporation concentration device according to claim 1, which is characterized in that the collecting plate (1)
Stepped distillery (4) is constituted with transparent cover plate (3), distillery (4) and the angle of horizontal plane are 90 °, every layer of collecting plate
Horizontal plane outer rim is provided with water fender (2).
3. a kind of solar energy biogas slurry evaporation concentration device according to claim 2, which is characterized in that the water fender (2)
Mounting height is higher than 5~50mm of collecting plate horizontal plane.
4. a kind of solar energy biogas slurry evaporation concentration device according to claim 1, which is characterized in that collecting plate (1) and gear
The external coating of water plate (2) has light-absorbing coating.
5. a kind of solar energy biogas slurry evaporation concentration device according to claim 1, which is characterized in that the transparent cover plate
(3) it is the tempered glass of 4mm thickness, the transmitance of sunlight is made to be no less than 90%.
6. a kind of solar energy biogas slurry evaporation concentration device according to claim 1, which is characterized in that the wind turbine (14) is
Into/exhaust blower, power is 20~60W.
7. a kind of solar energy biogas slurry evaporation concentration device according to claim 1, which is characterized in that the heat-storing material
(10) it is paraffin.
8. a kind of solar energy biogas slurry evaporation concentration device according to claim 1, which is characterized in that the evaporation and concentration dress
It is 20 °~45 ° to set with the angle of horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198738.1A CN108328685A (en) | 2018-03-12 | 2018-03-12 | A kind of solar energy biogas slurry evaporation concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198738.1A CN108328685A (en) | 2018-03-12 | 2018-03-12 | A kind of solar energy biogas slurry evaporation concentration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108328685A true CN108328685A (en) | 2018-07-27 |
Family
ID=62928976
Family Applications (1)
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|---|---|---|---|
| CN201810198738.1A Pending CN108328685A (en) | 2018-03-12 | 2018-03-12 | A kind of solar energy biogas slurry evaporation concentration device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117120A (en) * | 2019-05-13 | 2019-08-13 | 华中农业大学 | A kind of reverse osmosis membrane combines the method for concentration biogas slurry with solar energy heating negative pressure evaporation |
| CN111470567A (en) * | 2020-04-16 | 2020-07-31 | 海南大学 | Solar biogas slurry evaporation device capable of reducing harmful gas emission |
| CN113149105A (en) * | 2021-03-29 | 2021-07-23 | 东南大学 | Floating seawater desalination device based on radiation refrigeration-phase change cold storage |
| CN113683242A (en) * | 2021-07-13 | 2021-11-23 | 同济大学 | Utilize solar energy to realize source separation urine and excrement and urine resourceization's processing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117120A (en) * | 2019-05-13 | 2019-08-13 | 华中农业大学 | A kind of reverse osmosis membrane combines the method for concentration biogas slurry with solar energy heating negative pressure evaporation |
| CN111470567A (en) * | 2020-04-16 | 2020-07-31 | 海南大学 | Solar biogas slurry evaporation device capable of reducing harmful gas emission |
| CN113149105A (en) * | 2021-03-29 | 2021-07-23 | 东南大学 | Floating seawater desalination device based on radiation refrigeration-phase change cold storage |
| CN113683242A (en) * | 2021-07-13 | 2021-11-23 | 同济大学 | Utilize solar energy to realize source separation urine and excrement and urine resourceization's processing system |
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