CN110015788A - A kind of electro-catalysis disinfection urine and resource recovery device - Google Patents

A kind of electro-catalysis disinfection urine and resource recovery device Download PDF

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Publication number
CN110015788A
CN110015788A CN201910391524.0A CN201910391524A CN110015788A CN 110015788 A CN110015788 A CN 110015788A CN 201910391524 A CN201910391524 A CN 201910391524A CN 110015788 A CN110015788 A CN 110015788A
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CN
China
Prior art keywords
ceramic membrane
layer ceramic
urine
water
flexible
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Pending
Application number
CN201910391524.0A
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Chinese (zh)
Inventor
姚宏
孙绍斌
田盛
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Beijing Jiaotong University
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Beijing Jiaotong University
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Priority to CN201910391524.0A priority Critical patent/CN110015788A/en
Publication of CN110015788A publication Critical patent/CN110015788A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The embodiment of the invention provides a kind of electro-catalysis disinfection urine and resource recovery devices, comprising: water inlet system, flexible ceramic membrane filtration system, activated carbon adsorption system and electrochemical degradation system;The water inlet system includes intake pump and inlet pipeline;The flexible ceramic membrane filtration system is made of two sheets of flexible ceramic film component, respectively outer layer ceramic membrane 1 and internal layer ceramic membrane 3;The activated carbon adsorption system is that active carbon and plant ash 2 are constituted, and the system is between the outer layer ceramic membrane 1 and internal layer ceramic membrane 3;The electrochemical degradation system 4 is tightly attached to the inner and outer wall of the internal layer ceramic membrane 3, is degraded sterilizing by electrochemical action.The present invention can filter colloid and suspended matter in urine, remove the coloration and turbidity of urine, kill bacterium and virus, nutrient and water in separated urine, and the nutrient of recycling is used as nutriment, the water of recycling for washing one's hands, lavatory flushing etc..

Description

A kind of electro-catalysis disinfection urine and resource recovery device
Technical field
The present invention relates to technical field of sewage more particularly to a kind of electro-catalysis disinfection urine and resource recovery devices.
Background technique
With the development of economy with the increase of population, demand of the mankind to water resource is continuously increased, along in the presence of to water There is different degrees of water shortage problem in the unreasonable exploitation and utilization of resource, many countries and regions.Shortage of water resources at For serious social concern.And solving the problems, such as shortage of water resources, most promising solution is that development and utilization are certain not at present Water can be used.Urine is a kind of pollutant of body discharges, and a large amount of water source is needed to go to rinse, the huge waste for causing water to provide.Together When, contain urea in urine, and urea is a kind of high concentration nitrogenous fertilizer, people usually directly recycling urine for being applied to crops Fertilizer especially in some areas in rural area, but carries certain bacterium, directly applies fertilizer to crops in urine, thin in urine Bacterium enters in soil environment, causes damages.Therefore, moisture is recycled with N P and K from urine, the water of recycling is back to use lavatory In flushing, N P and K can be used as fertilizer, can not only protect environment to a certain extent but also the recycling and reusing of water resource may be implemented, Alleviate shortage of water resources problem simultaneously.
Summary of the invention
The embodiment provides a kind of electro-catalysis disinfection urine and resource recovery devices, to overcome the prior art Defect.
To achieve the goals above, this invention takes following technical solutions.
A kind of electro-catalysis disinfection urine and resource recovery device, comprising: water inlet system, flexible ceramic membrane filtration system, work Property charcoal adsorption system and electrochemical degradation system;
The water inlet system includes intake pump and inlet pipeline;
The flexible ceramic membrane filtration system is made of two sheets of flexible ceramic film component, respectively 1 He of outer layer ceramic membrane Internal layer ceramic membrane 3;
The activated carbon adsorption system is that active carbon and plant ash 2 are constituted, which is located at the outer layer ceramic membrane 1 and interior Between layer ceramic membrane 3;
The electrochemical degradation system 4 is located at the inner and outer wall of the internal layer ceramic membrane 3, is degraded by electrochemical action Sterilizing.
Preferably, urine is input to flexible ceramic membrane filtration system using self priming pump by the water inlet system.
Preferably, the outer layer ceramic membrane 1 and internal layer ceramic membrane 3 are cylindric.
Preferably, the filtering of outer layer ceramic membrane 1 is discharged using cross-flow filtration mode, and internal layer ceramic membrane 3 uses dead end mistake Filter mode is discharged.
Preferably, the cross-flow flow velocity of the flexible ceramic membrane filtration system is 0.4~0.5L/min, and producing water flow velocity is 0.2 ~0.3L/min.
Preferably, the turbidity of the flexible ceramic membrane filtration system water outlet is less than 1NTU.
Preferably, current flow is 10~20mA, voltage stress 24V, water discharge speed in the electrochemical degradation system 4 For 0.2~0.3L/min.
Preferably, the active carbon and plant ash are in PTFE mesh bag 5.
Preferably, the ratio of the active carbon and plant ash is 1.5~3.5:1.
As can be seen from the technical scheme provided by the above-mentioned embodiment of the present invention, the embodiment of the present invention provides a kind of electro-catalysis Sterilize urine and resource recovery device, including water inlet system, Double-layer flexible ceramic membrane filter system, activated carbon adsorption system, electricity Chemical degradation system can filter colloid and suspended matter in urine, remove the coloration and turbidity of urine, kill bacterium and disease The nutrient of recycling is used as nutriment by poison, nutrient and water in separated urine, the water of recycling for washing one's hands, lavatory punching It washes.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others Attached drawing.
Fig. 1 is the B-B cross-section structure that a kind of electro-catalysis provided in an embodiment of the present invention sterilizes urine and resource recovery device Schematic diagram;
Fig. 2 is the A-A cross-section structure that a kind of electro-catalysis provided in an embodiment of the present invention sterilizes urine and resource recovery device Schematic diagram.
Appended drawing reference:
1 outer layer ceramic membrane
2 plant ash
3 internal layer ceramic membranes
4 electrochemical degradation systems
5 PTFE mesh bags
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be Intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.Wording used herein "and/or" includes one or more associated any cells for listing item and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art The consistent meaning of justice, and unless defined as here, it will not be explained in an idealized or overly formal meaning.
In order to facilitate understanding of embodiments of the present invention, it is done by taking several specific embodiments as an example below in conjunction with attached drawing further Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
The embodiment of the invention provides a kind of electro-catalysis disinfection urine and resource recovery devices, comprising: water inlet system, flexibility Ceramic membrane filter system, activated carbon adsorption system and electrochemical degradation system;Water inlet system includes intake pump and inlet pipeline, is adopted Urine is input to flexible ceramic membrane filtration system with self priming pump;Flexible ceramic membrane filtration system is by two layers of cylindric flexible pottery Porcelain membrane module is constituted, and the filtering of outer layer ceramic membrane 1 is discharged using cross-flow filtration mode, and film produces water and enters activated carbon adsorption system, interior Layer ceramic membrane 3 is discharged using dead-end filtration mode, and the cross-flow flow velocity of flexible ceramic membrane filtration system is 0.4~0.5L/min, is produced Water flow velocity is 0.2~0.3L/min, and the turbidity of water outlet is less than 1NTU;Activated carbon adsorption system is that active carbon and plant ash 2 are constituted, For the system between outer layer ceramic membrane 1 and internal layer ceramic membrane 3, the ratio of active carbon and plant ash is 1.5~3.5:1, is mounted in In the PTFE mesh bag of easily disassembled formula, it is conveniently replaceable.The n-p-k element etc. in urine is adsorbed by activated carbon adsorption system, it will N-p-k element can be used as nutriment after separation;Electrochemical degradation system 4 is located at 3 inner and outer wall of internal layer ceramic membrane, through inhaling Urine after attached enters electrochemical degradation system 4 by the internal layer ceramic membrane 3 of flexible ceramic membrane filtration system;It is dropped in electrochemistry In solution system 4, current flow is 10~20mA, and voltage stress 24V, water discharge speed is 0.2~0.3L/min, passes through electrochemistry Effect degradation sterilizing, fluid storage that treated in recycling bins, can reuse flush the toilet.
In the present embodiment, activated carbon adsorption system uses Powdered Activated Carbon, but not limited to this, however not excluded that have more suitably Material is used for activated carbon adsorption system of the invention.
In conclusion passing through bilayer the embodiment of the invention provides a kind of electro-catalysis disinfection urine and resource recovery device Colloid and suspended matter in urine are fallen in flexible ceramic film, the filtering of active carbon and plant ash and absorption, remove urine coloration and Turbidity, and it is used as fertilizer for the n-p-k element in urine is adsorbed;Meanwhile by using electrochemical degradation effect kill bacterium and Virus, urine is back to use wash one's hands, lavatory flushing etc..The beneficial effects of the present invention are: realizing to water resource in urine and nitrogen The separation of phosphorus potassium element, processing technique is simple, Yi Shixian.Impurities in water is few, quality is high, and cost recovery is low;Meanwhile in urine Nutriment and the problem of recycling, greatly alleviate shortage of water resources of water, decrease pollution.
Those of ordinary skill in the art will appreciate that: attached drawing is the schematic diagram of one embodiment, module in attached drawing or Process is not necessarily implemented necessary to the present invention.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art, It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims Subject to.

Claims (9)

1. a kind of electro-catalysis disinfection urine and resource recovery device characterized by comprising water inlet system, flexible ceramic film mistake Filter system, activated carbon adsorption system and electrochemical degradation system;
The water inlet system includes intake pump and inlet pipeline;
The flexible ceramic membrane filtration system is made of two sheets of flexible ceramic film component, respectively outer layer ceramic membrane (1) and interior Layer ceramic membrane (3);
The activated carbon adsorption system is that active carbon and plant ash (2) are constituted, which is located at the outer layer ceramic membrane (1) and interior Between layer ceramic membrane (3);
The electrochemical degradation system (4) is located at the inner and outer wall of the internal layer ceramic membrane (3), is degraded by electrochemical action Sterilizing.
2. the apparatus according to claim 1, which is characterized in that urine is input to soft by the water inlet system using self priming pump Property ceramic membrane filter system.
3. the apparatus according to claim 1, which is characterized in that the outer layer ceramic membrane (1) and internal layer ceramic membrane (3) are circle Column.
4. the apparatus according to claim 1, which is characterized in that outer layer ceramic membrane (1) filtering uses cross-flow filtration side Formula water outlet, internal layer ceramic membrane (3) are discharged using dead-end filtration mode.
5. device according to claim 4, which is characterized in that the cross-flow flow velocity of the flexible ceramic membrane filtration system is 0.4~0.5 L/min, production water flow velocity are 0.2~0.3 L/min.
6. the apparatus according to claim 1, which is characterized in that the turbidity of the flexible ceramic membrane filtration system water outlet is less than 1NTU。
7. the apparatus according to claim 1, which is characterized in that current flow is 10 in the electrochemical degradation system (4) ~20mA, voltage stress 24V, water discharge speed are 0.2~0.3 L/min.
8. the apparatus according to claim 1, which is characterized in that the active carbon and plant ash are in PTFE mesh bag (5).
9. the apparatus according to claim 1, which is characterized in that the ratio of the active carbon and plant ash is 1.5~3.5: 1。
CN201910391524.0A 2019-05-10 2019-05-10 A kind of electro-catalysis disinfection urine and resource recovery device Pending CN110015788A (en)

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Application Number Priority Date Filing Date Title
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