CN105565575A - Fluorine removal solar distiller and fluorine removal method thereof - Google Patents
Fluorine removal solar distiller and fluorine removal method thereof Download PDFInfo
- Publication number
- CN105565575A CN105565575A CN201610108982.5A CN201610108982A CN105565575A CN 105565575 A CN105565575 A CN 105565575A CN 201610108982 A CN201610108982 A CN 201610108982A CN 105565575 A CN105565575 A CN 105565575A
- Authority
- CN
- China
- Prior art keywords
- water
- defluorinate
- tank
- collection plate
- condensation
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
-
- 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
- Y02A20/211—Solar-powered water purification
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a fluorine removal solar distiller and a fluorine removal method thereof. The fluorine removal solar distiller comprises a distiller body; the lower side of the distiller body is connected to a fluorine removal tank through a heating pipe; the distiller body is also connected with a water inlet pipe, and comprises a water tank and a condensate water collecting plate which is arranged on the upper surface of the water tank; the water tank comprises an external water discharging tank and an internal water storage tank which are communicated with each other; the condensate water collecting plate is arranged on the external water discharging tank; the internal water storage tank is positioned between the condensate water collecting plate and the external water discharging tank; the lower side of the external water discharging tank is connected to the fluorine removal tank through the heating pipe; the internal storage tank is connected with the water inlet pipe; the fluorine removal tank is connected with a water outlet pipe. The water quality is purified by utilizing distilling and fluorine removal technologies, and the fluorine removal solar distiller and the fluorine removal method thereof have the characteristics of easiness in operation, high repeatability, and low cost.
Description
Technical field
The present invention relates to water desalination and processing technology field, be specifically related to a kind of defluorinate solar still and defluorination method thereof.
Background technology
Fluorine is one of trace element of needed by human.But in tap water there is dental fluorosis disease more than causing children during 1mg in Oil repellent. skeletal fluorosis, hunch can be produced during long-term drinking, even can not stand up, the serious symptoms such as paralysis, larger to human health damage.If Northern Shaanxi White is one of large water-deficient area of China four in mountain area, due to geologic condition impact, its underground water Oil repellent is many at more than 10mg/L, is up to 33.7mg/L.In addition, other indexs such as nitrite content also severe overweight, directly endangers the healthy and safe of the local masses.Therefore, the drinking-water environment in this type of area must be improved, reduce the content of fluorine in tap water, essence control is carried out to the endemy of fluorine.
Summary of the invention
The object of the present invention is to provide a kind of defluorinate solar still and defluorination method thereof, to overcome the defect that above-mentioned prior art exists, the present invention utilizes distillation, technology of Fluoride Removal purifies water quality, has simple to operate, repeatable feature high, with low cost.
For achieving the above object, the present invention adopts following technical scheme:
A kind of defluorinate solar still, comprise distiller body, the downside of distiller body is connected to fluoride-removing can by heating tube, and distiller body is also connected with water inlet pipe;
Described distiller body comprises water tank and is arranged on the condensation water collection plate above water tank, water tank comprises outer drainage tray and the inner storing water groove of connection, condensation water collection plate is arranged on outer drainage tray, inner storing water slot is between condensation water collection plate and outer drainage tray, the downside of outer drainage tray is connected to fluoride-removing can by heating tube, inner storing water groove is connected with water inlet pipe, fluoride-removing can is connected with rising pipe.
Further, the free end of inner storing water groove is provided with baffle plate, and baffle plate is parallel with condensation water collection plate.
Further, described condensation water collection plate is aluminium sheet or poly (methyl methacrylate) plate.
Further, described heating tube is double-layer glass tube, and the skin of double-layer glass tube is transparent tube, and internal layer is endothermic tube, and vacuum between transparent tube and endothermic tube.
Further, the angle between condensation water collection plate and horizontal plane is 20 °.
Further, distiller body and fluoride-removing can are fixed by establishing frame thereunder.
A defluorination method for defluorinate solar still, comprises the following steps:
Step one: by water filling in the inside aqua storage tank of water inlet pipe;
Step 2: the water in inner storing water groove is heated to be water vapor by the heat absorbed by heating tube;
Step 3: water vapor flows into after condensation in outer drainage tray on condensation water collection plate;
Step 4: the water in outer drainage tray flows into fluoride-removing can through heating tube and carries out defluorinate;
Step 5: the water after the defluorinate of defluorinate tank is discharged by rising pipe.
Further, the free end of inner storing water groove is provided with baffle plate, and baffle plate is parallel with condensation water collection plate.
Further, the angle between condensation water collection plate and horizontal plane is 20 °.
Further, described condensation water collection plate is aluminium sheet or poly (methyl methacrylate) plate.
Compared with prior art, the present invention has following useful technique effect:
The present invention is by water filling in the inside aqua storage tank of water inlet pipe, water in inner storing water groove is heated to be water vapor by the heat absorbed by heating tube, water vapor flows into after condensation in outer drainage tray on condensation water collection plate, water in outer drainage tray flows into fluoride-removing can through heating tube and carries out defluorinate, water after the defluorinate of defluorinate tank is discharged by rising pipe, first the principle of " evaporation---condensation " is utilized, remove salinity contained in water, then fluoride-removing can flocculation sediment principle is utilized to remove fluorion, not only save energy, realizes good social benefit, environmental benefit and economic benefit; And reach the effect of drinking water defluorination, and convenience, cheapness, clearance are high, the water after process meets the standard of the direct drinking healthy water that the World Health Organization announces.
Further, the free end of inner storing water groove is provided with baffle plate, can prevent from directly entering in fluoride-removing can without the water of distillation in inner storing water groove.
Further, adopt aluminium sheet or poly (methyl methacrylate) plate as condensation water collection plate, water of condensation can be slided more easily from it.
Further, the angle between condensation water collection plate and horizontal plane is 20 °, makes condensation water collection plate while adsorb water vapor, makes the water drops flows down of condensation.
The principle that first the inventive method utilizes " evaporation---condensation ", removes salinity contained in water, then utilizes fluoride-removing can flocculation sediment principle to remove fluorion, not only save energy, realizes good social benefit, environmental benefit and economic benefit; And reach the effect of drinking water defluorination, and convenience, cheapness, clearance are high, the water after process meets the standard of the direct drinking healthy water that the World Health Organization announces.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Wherein, 1, condensation water collection plate; 2, baffle plate; 3, water inlet pipe; 4, rising pipe; 5, frame; 6, heating tube; 7, fluoride-removing can; 8, water tank.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
See Fig. 1, a kind of defluorinate solar still, comprise distiller body, the downside of distiller body is connected to fluoride-removing can 7 by heating tube 6, and distiller body and fluoride-removing can 7 are fixed by establishing frame 5 thereunder, and distiller body is also connected with water inlet pipe 3, heating tube 6 is double-layer glass tube, the skin of double-layer glass tube is transparent tube, and internal layer is endothermic tube, and vacuum between transparent tube and endothermic tube;
Described distiller body comprises water tank 8 and is arranged on the condensation water collection plate 1 above water tank 8, condensation water collection plate 1 is aluminium sheet or poly (methyl methacrylate) plate, angle between condensation water collection plate 1 and horizontal plane is 20 °, water tank 8 comprises outer drainage tray and the inner storing water groove of connection, condensation water collection plate 1 is arranged on outer drainage tray, inner storing water slot is between condensation water collection plate 1 and outer drainage tray, the free end of inner storing water groove is provided with baffle plate 2, and baffle plate 2 is parallel with condensation water collection plate 1, the downside of outer drainage tray is connected to fluoride-removing can 7 by heating tube 6, inner storing water groove is connected with water inlet pipe 3, fluoride-removing can 7 is connected with rising pipe 4, rising pipe 4 is also connected with for killing virus and bacterium filter out in water heterochromatic, peculiar smell, ozone, hydrogen sulfide, bacterium, virus, the filter box of heavy metal.
Adopt a defluorination method for above-mentioned defluorinate solar still, comprise the following steps:
Step one: by water filling in water inlet pipe 3 inwardly aqua storage tank;
Step 2: the water in inner storing water groove is heated to be water vapor by the heat absorbed by heating tube 6;
Step 3: water vapor flows into after condensation in outer drainage tray on condensation water collection plate 1;
Step 4: the water in outer drainage tray flows into fluoride-removing can 7 through heating tube 6 and carries out defluorinate;
Step 5: the water after defluorinate tank 7 defluorinate is discharged by rising pipe 4.
Below implementation process of the present invention is described in further detail:
The heating tube 6 of defluorinate solar still of the present invention is double-layer glass tube, and skin is transparent tube, and sunlight can be allowed to enter, and internal layer is endothermic tube, and vacuum between layer glass pipe can not be dispelled the heat, and so just can heat the water in inner storing water groove.Water tank 8 is that a part is cut in sun power upper end, then be connected with condensation water collection plate 1, condensation water collection plate 1 and horizontal plane angle are 20 °, water tank 8 is made up of outer drainage tray and inner storing water groove, outer drainage tray lower end connects fluoride-removing can 7, fluoride-removing can 7 connects rising pipe 4, and inner storing water groove connects water inlet pipe 3.
Domestic water is passed into inner storing water groove by water inlet pipe 3, after being heated under light illumination, vapor sorption is on condensation water collection plate 1, flow into fluoride-removing can 7 along the condensation water collection plate 1 tilted after water vapor condensation, utilize the principle of evaporation-condensation just can remove salinity contained in water like this.
Utilize the Coagulation aiding of the Coagulation and Adsorption of clay and flocculation agent can reach the effect of drinking water defluorination in fluoride-removing can 7.The many local rich product clay minerals of China.Its main component is SiO
2, Al
2o
3, CaO etc., not only there is good adsorption activity, also because containing aluminium salt, silicate, thus there is efficiency of coagulation, many poisonous, harmful ions can be adsorbed.The advantages not available for additive method such as this defluorination method has conveniently, cheap, clearance is high.Novel high polymer flocculation agent, has very strong cohesion performance to suspended particle, and under equal test conditions, it goes turbid rate to compare Al
2(SO
4)
3large 2 ~ 4 times of effect.Because itself being nontoxic edible article, and the course of processing does not produce any toxic substance yet, therefore can be widely used in water treatment especially in Water purification.
The water distilled out in solar still is passed in fluoride-removing can 7, adds flocculation agent, form cotton-shaped indissoluble thing with fluorion in water, then add clay, insolubles particle is increased, staticly settles, get supernatant liquid and detect content of fluoride ion in the water of operation front and back.To pump in filter box by treated water in fluoride-removing can, and adopt all kinds of polymeric membrane for separation device to filter, and kill virus wherein and bacterium and filter out heterochromatic in tap water, peculiar smell, ozone, hydrogen sulfide, bacterium, virus, heavy metal.Stop that suspended particle improves water quality, in the end pass through the effect of the materials such as such as high-energy biochemical ceramic by water energy, mineralising.
The present invention mainly solves fluorine-containing problem in water quality.Principle: one, utilize solar still " evaporation---condensation " topmost principle, remove salinity contained in water; Two, fluoride-removing can flocculation sediment principle is utilized to remove fluorion; Three, utilize filter box, kill virus wherein and bacterium and filter out heterochromatic in water, peculiar smell, ozone, hydrogen sulfide, bacterium, virus, heavy metal.Advantage: one, save energy, realizes good social benefit, environmental benefit and economic benefit; Two, reach the effect of drinking water defluorination, and convenience, cheapness, clearance are high; Three, the standard meeting the direct drinking healthy water that the World Health Organization announces is reached.
Claims (10)
1. a defluorinate solar still, is characterized in that, comprises distiller body, and the downside of distiller body is connected to fluoride-removing can (7) by heating tube (6), distiller body is also connected with water inlet pipe (3);
Described distiller body comprises water tank (8) and is arranged on the condensation water collection plate (1) above water tank (8), water tank (8) comprises outer drainage tray and the inner storing water groove of connection, condensation water collection plate (1) is arranged on outer drainage tray, inner storing water slot is between condensation water collection plate (1) and outer drainage tray, the downside of outer drainage tray is connected to fluoride-removing can (7) by heating tube (6), inner storing water groove is connected with water inlet pipe (3), fluoride-removing can (7) is connected with rising pipe (4).
2. a kind of defluorinate solar still according to claim 1, is characterized in that, the free end of inner storing water groove is provided with baffle plate (2), and baffle plate (2) is parallel with condensation water collection plate (1).
3. a kind of defluorinate solar still according to claim 1, is characterized in that, described condensation water collection plate (1) is aluminium sheet or poly (methyl methacrylate) plate.
4. a kind of defluorinate solar still according to claim 1, is characterized in that, described heating tube (6) is double-layer glass tube, and the skin of double-layer glass tube is transparent tube, and internal layer is endothermic tube, and vacuum between transparent tube and endothermic tube.
5. a kind of defluorinate solar still according to claim 1, is characterized in that, the angle between condensation water collection plate (1) and horizontal plane is 20 °.
6. a kind of defluorinate solar still according to claim 1, is characterized in that, distiller body and fluoride-removing can (7) are fixed by establishing frame (5) thereunder.
7. adopt a defluorination method for defluorinate solar still according to claim 1, it is characterized in that, comprise the following steps:
Step one: by water filling in water inlet pipe (3) inwardly aqua storage tank;
Step 2: the water in inner storing water groove is heated to be water vapor by the heat absorbed by heating tube (6);
Step 3: water vapor flows in outer drainage tray after the upper condensation of condensation water collection plate (1);
Step 4: the water in outer drainage tray flows into fluoride-removing can (7) through heating tube (6) and carries out defluorinate;
Step 5: the water after defluorinate tank (7) defluorinate is discharged by rising pipe (4).
8. defluorination method according to claim 7, is characterized in that, the free end of inner storing water groove is provided with baffle plate (2), and baffle plate (2) is parallel with condensation water collection plate (1).
9. defluorination method according to claim 7, is characterized in that, the angle between condensation water collection plate (1) and horizontal plane is 20 °.
10. defluorination method according to claim 7, is characterized in that, described condensation water collection plate (1) is aluminium sheet or poly (methyl methacrylate) plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108982.5A CN105565575A (en) | 2016-02-26 | 2016-02-26 | Fluorine removal solar distiller and fluorine removal method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108982.5A CN105565575A (en) | 2016-02-26 | 2016-02-26 | Fluorine removal solar distiller and fluorine removal method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105565575A true CN105565575A (en) | 2016-05-11 |
Family
ID=55876296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610108982.5A Pending CN105565575A (en) | 2016-02-26 | 2016-02-26 | Fluorine removal solar distiller and fluorine removal method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105565575A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095537A (en) * | 2018-10-10 | 2018-12-28 | 泉州台商投资区博汇机械研发有限公司 | A kind of solar energy automatic distillation apparatus facilitating solar energy silicone tube light harvesting |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2442986Y (en) * | 1999-09-11 | 2001-08-15 | 宁夏农林科学院 | Solar distillation purifying collecting device for brackish |
| CN101746869A (en) * | 2008-12-22 | 2010-06-23 | 张乃卿 | Technical method for lowering fluorine and removing fluorine in high-fluorine drinking water |
| JP2010240558A (en) * | 2009-04-03 | 2010-10-28 | Kurita Water Ind Ltd | Method and apparatus for treating fluorine-containing waste water |
| CN201660514U (en) * | 2010-03-31 | 2010-12-01 | 姜洪涛 | Full-automatic drinking water non-regeneration fluorine removing device |
| CN202226692U (en) * | 2011-10-19 | 2012-05-23 | 中国建筑设计研究院 | Household water purifier by taking solar energy as energy source |
| CN202492389U (en) * | 2012-04-01 | 2012-10-17 | 益阳民福农机装备有限公司 | Solar water purifier |
| CN204490541U (en) * | 2015-02-11 | 2015-07-22 | 张诗山 | Novel household solar energy sea water desalination apparatus |
| CN204529538U (en) * | 2015-04-01 | 2015-08-05 | 天津市嘉腾环保设备有限公司 | A kind of fluoride waste fluoride-removing equipment |
| CN205387521U (en) * | 2016-02-26 | 2016-07-20 | 陕西科技大学 | Defluorinate solar still |
-
2016
- 2016-02-26 CN CN201610108982.5A patent/CN105565575A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2442986Y (en) * | 1999-09-11 | 2001-08-15 | 宁夏农林科学院 | Solar distillation purifying collecting device for brackish |
| CN101746869A (en) * | 2008-12-22 | 2010-06-23 | 张乃卿 | Technical method for lowering fluorine and removing fluorine in high-fluorine drinking water |
| JP2010240558A (en) * | 2009-04-03 | 2010-10-28 | Kurita Water Ind Ltd | Method and apparatus for treating fluorine-containing waste water |
| CN201660514U (en) * | 2010-03-31 | 2010-12-01 | 姜洪涛 | Full-automatic drinking water non-regeneration fluorine removing device |
| CN202226692U (en) * | 2011-10-19 | 2012-05-23 | 中国建筑设计研究院 | Household water purifier by taking solar energy as energy source |
| CN202492389U (en) * | 2012-04-01 | 2012-10-17 | 益阳民福农机装备有限公司 | Solar water purifier |
| CN204490541U (en) * | 2015-02-11 | 2015-07-22 | 张诗山 | Novel household solar energy sea water desalination apparatus |
| CN204529538U (en) * | 2015-04-01 | 2015-08-05 | 天津市嘉腾环保设备有限公司 | A kind of fluoride waste fluoride-removing equipment |
| CN205387521U (en) * | 2016-02-26 | 2016-07-20 | 陕西科技大学 | Defluorinate solar still |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095537A (en) * | 2018-10-10 | 2018-12-28 | 泉州台商投资区博汇机械研发有限公司 | A kind of solar energy automatic distillation apparatus facilitating solar energy silicone tube light harvesting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103143192B (en) | Program-controlled device and method for separating water-soluble organic matter ingredients | |
| CN202400912U (en) | Water purifier provided with water purification filter element | |
| CN205387521U (en) | Defluorinate solar still | |
| CN105565575A (en) | Fluorine removal solar distiller and fluorine removal method thereof | |
| CN204588742U (en) | A kind of high-salt wastewater evaporating | |
| Dodbiba et al. | Biosorption of heavy metals | |
| CN207986899U (en) | Use for laboratory sewage-treatment plant | |
| CN207958035U (en) | A kind of solar energy combined type pump-and-treat system groundwater remediation device | |
| CN201280492Y (en) | Materialization processing equipment for organosilicon production sewage | |
| CN205740557U (en) | A kind of sewage-treatment plant of improvement | |
| CN203904016U (en) | Waste recovery and treatment device | |
| Kapadia et al. | A comprehensive study on amalgamation of sustainable solar powered distillation for arsenic and fluoride removal from groundwater | |
| CN203382530U (en) | Waste recovery processing device | |
| CN211226751U (en) | Advanced treatment town and industrial sewage's processing apparatus | |
| CN205011522U (en) | Sewage treatment system | |
| CN208980449U (en) | A kind of direct drinking water purification equipment | |
| CN202688024U (en) | Device for recovering and concentrating waste liquid | |
| CN201896082U (en) | Constant-current fiber ball degreaser | |
| CN101628739A (en) | High-toxicity small-output waste water treatment device | |
| Sheng-quan et al. | Removal of the heavy metal ion Cr (VI) by soybean hulls in dyehouse wastewater treatment | |
| CN2670339Y (en) | Solar distillating tower | |
| CN206705806U (en) | Low noise filters water purifier soon | |
| CN203419805U (en) | Purification and water supply device for heavy-metal-polluted underground water | |
| CN204474366U (en) | A kind of fine filtering device of sewage disposal | |
| CN204317847U (en) | Purifying kettle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160511 |