CN111422936A - Urine treatment method and recyclable urine independent treatment system - Google Patents

Urine treatment method and recyclable urine independent treatment system Download PDF

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Publication number
CN111422936A
CN111422936A CN202010269464.8A CN202010269464A CN111422936A CN 111422936 A CN111422936 A CN 111422936A CN 202010269464 A CN202010269464 A CN 202010269464A CN 111422936 A CN111422936 A CN 111422936A
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urine
gas
shell
recyclable
evaporation
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CN111422936B (en
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席宗隆
蔡伟
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Nanjing Fenghe New Material Technology Co ltd
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    • 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
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/005Black water originating from toilets

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a urine treatment method and a recyclable urine independent treatment system, wherein the urine treatment method comprises the following steps: 1) evaporating urine at the temperature of 150-250 ℃; 2) desalting the steam generated by evaporation, and naturally cooling to obtain recovered water; 3) and (3) pyrolyzing the odor and/or harmful gas generated by evaporation at the temperature of more than 600 ℃, and discharging the odor and/or harmful gas after reaching the standard. According to the urine treatment method, the evaporation method is used for separating the salt and the moisture in the urine, and the salt is collected and can be used as a fertilizer or a fertilizer raw material; bacteria and viruses in the excrement are killed at high temperature in the evaporation process; the water in the urine is clean and odorless after being treated, and can be used for flushing the urinal and greening the periphery; ammonia nitrogen peculiar smell gas in the evaporation process is filtered and decomposed through adsorption and pyrolysis, so that no peculiar smell is ensured in the treatment process; the recyclable urine independent treatment system has low energy consumption, collects salt in urine, realizes microwave sterilization of urine and has no peculiar smell in the whole process.

Description

Urine treatment method and recyclable urine independent treatment system
Technical Field
The invention relates to a urine treatment method and a recyclable urine independent treatment system, and belongs to the field of urine treatment.
Background
With the overall expansion of the revolution of public toilets in China, the demand for subdivision of various functional toilets is increasingly prominent, for example, in crowded areas such as commercial streets, scenic spots, high-speed service areas and the like, people have far more demand for urine than for feces.
At present, excrement and urine in the public toilet are treated in a unified way, the urine mixed with liquid dung cannot be recycled, and the pressure of excrement treatment is increased by a large amount of urine.
Disclosure of Invention
The invention provides a urine treatment method and a recyclable urine independent treatment system, which can realize the independent treatment of urine, and the treated recycled water can be recycled for flushing a urinal after urination, so that the system is suitable for crowded areas such as commercial streets, scenic spots, high-speed service areas and the like.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a method of urine management comprising the steps of:
1) evaporating urine at the temperature of 150-250 ℃;
2) desalting the steam generated by evaporation, and naturally cooling to obtain recovered water;
3) and (3) pyrolyzing the odor and/or harmful gas generated by evaporation at the temperature of more than 600 ℃, and discharging the odor and/or harmful gas after reaching the standard.
The method can realize the independent treatment of urine, the obtained recovered water can be recycled for flushing the urinal after urination, and the redundant water can be used for cleaning and greening; the obtained salt can be used as fertilizer or fertilizer raw material; no peculiar smell in the whole process, and the gas reaches the standard and is discharged.
In order to simplify the structure, facilitate the treatment and ensure the treatment effect, in the step 2), the water vapor is adsorbed and desalted by a honeycomb activated carbon filter disc.
A recyclable urine independent treatment system comprises a shell, a urine evaporation tank, a urine inlet pipe, a gas treatment cavity, a connecting pipe, a first gas outlet pipe and a second gas outlet pipe;
the urine evaporation tank and the gas treatment cavity are both positioned in the shell, a gap in the shell is filled with a heat insulation material, the shell is provided with a microwave emission source with an emission direction pointing to the shell, one end of a connecting pipe is communicated with the top of the urine evaporation tank, and the other end of the connecting pipe is communicated with the bottom of the gas treatment cavity;
the top of the side wall of the urine evaporation tank is provided with a urine inlet, the bottom of the side wall is provided with a steam outlet, and more than one layer of honeycomb activated carbon filter disc is arranged between the urine inlet and the steam outlet in the urine evaporation tank; one end of the urine inlet pipe is in butt joint with a urine inlet on the urine evaporating pot, the other end of the urine inlet pipe extends out of the shell, one end of the first gas outlet pipe is in butt joint with a steam outlet on the urine evaporating pot, and the other end of the first gas outlet pipe extends out of the shell;
more than three layers of clapboards are arranged in the gas treatment cavity along the height direction, a through hole is arranged at one end part of each layer of clapboard, and the through holes of two adjacent layers of clapboards are arranged at the end parts of the two ends of the clapboard in a staggered manner; each layer of partition board is provided with a honeycomb activated carbon rod; one end of the second gas outlet pipe is communicated with the top of the gas processing cavity, and the other end of the second gas outlet pipe extends out of the shell.
The gas output pipe is used for discharging gas; the urine inlet pipe is used for inputting urine into the urine evaporation tank; the honeycomb activated carbon filter disc is used for filtering salt in urine, the temperature is raised in a microwave state to provide the temperature in the cavity, and the honeycomb activated carbon filter disc can be replaced periodically by 5000-; the honeycomb activated carbon rod adsorbs harmful and peculiar smell gases, and simultaneously, the temperature is raised in a microwave state to provide the temperature in the cavity; the through holes of the two adjacent layers of the partition plates are arranged at the end parts at the two ends of the partition plates in a staggered manner, so that the processing path of gas in the gas processing cavity is prolonged, and the pyrolysis and adsorption effects are enhanced.
In order to further improve the treatment effect, the materials used by the gas treatment cavity and the partition plate are both composite ceramics, the temperature required in the gas treatment cavity is higher, and the heat release of the composite ceramics after wave absorption can reach the pyrolysis temperature required by the gas; the composite ceramic comprises the following raw materials: 25 parts of silicon carbide powder (120-; the preparation method comprises the following steps: after silicon carbide powder, silicon dioxide powder, lithium oxide powder and monocrystalline silicon powder are mixed uniformly, sodium silicate solution is added and mixed uniformly, then the mixture is poured into a mold and then is placed into a microwave high-temperature oven to be fired (the power of microwave irradiation is 20kw, and the time of microwave irradiation is 2 hours) for forming, and after the composite ceramic absorbs microwaves, the composite ceramic can be heated to above 600 ℃ rapidly, so that the requirement of gas pyrolysis is met.
The urine evaporating pot is made of high-purity silicon dioxide ceramic, the temperature required by the urine evaporating pot is not high, but is relatively durable, and the microwave penetration rate of the high-purity silicon dioxide ceramic is over 80 percent, so that the requirement of urine evaporation can be met.
In order to ensure the heat preservation effect and reduce the energy loss, the filling density of the heat preservation material is 110-130 kg/m3The heat insulating material is aluminum silicate rock wool.
For convenient preparation, the gas processing cavity is of a square box structure. In order to further enhance the gas treatment effect, the through holes on the second gas outlet pipe and the topmost baffle plate in the gas treatment cavity are respectively positioned at two ends of the gas treatment cavity in the length direction. Thus, the gas flows through all the partition plates and the honeycomb activated carbon rods and then flows out of the second gas outlet pipe.
In order to take the treatment effect and miniaturization into consideration, the length of the gas treatment cavity is 400-500 mm, the width is 150-250 mm, and the height is 200-300 mm; 4-8 layers of partition plates are arranged in the gas treatment cavity; the bottom of the gas treatment cavity is also provided with a honeycomb activated carbon rod, the diameter of the honeycomb activated carbon rod is 15-25 mm, and the length of the honeycomb activated carbon rod is 150-250 mm.
In order to meet the treatment requirement of 4-6 small urinals and simultaneously consider miniaturization, the urine evaporation tank is cylindrical with the outer diameter of 200-260 mm and the height of 500-560 mm; the honeycomb active carbon filter disc has 2 ~ 3 layers, and the external diameter of honeycomb active carbon filter disc equals the internal diameter of urine evaporating pot, and the height is 45 ~ 55 mm.
In order to prolong the service life of the system and meet the cost requirement, the second gas outlet pipe is a 310S stainless steel pipe with the diameter of 15-25 mm; the first gas outlet pipe and the urine inlet pipe are both 316 stainless steel pipes with the diameters of 35-45 mm.
In order to take miniaturization and treatment effects into consideration, the shell is of a square box structure, and the shell is made of 304 stainless steel with the thickness of 3 mm; the height of the shell is 900-1100 mm, the length is 600-700 mm, and the width is 600-700 mm; 3-4 microwave emission sources are arranged on the side wall of the shell from top to bottom.
The transmission pump, the instrument, the control valve and the like can be arranged on each device or the connecting pipeline according to the requirements, and the connection and the on-off control of the microwave emission source, the transmission pump, the instrument, the control valve and the like can be realized by referring to the use specification and the prior art.
The method for treating the urine by using the recyclable urine independent treatment system comprises the following steps:
1) urine enters a urine evaporation tank from a urine inlet pipe and is evaporated at the temperature of 150-250 ℃;
2) the vapor generated by evaporation flows downwards through a honeycomb activated carbon filter disc for desalting, flows out from a first gas outlet pipe, and is naturally cooled to obtain recovered water;
3) the peculiar smell and/or harmful gas generated by evaporation flow upwards to enter the gas treatment cavity, and are discharged after reaching the standard after being pyrolyzed at the temperature of more than 600 ℃.
In order to ensure the treatment effect, the liquid inlet speed of the urine in the step 1) is 40-50L/h.
According to different climatic conditions, a condenser can be butted at the downstream of the first gas outlet pipe to accelerate the condensation of the water vapor.
During the use, the temperature is high in the independent processing system of circulation urine, forms a small inflation malleation, and the urine gets into jar rapid evaporation and becomes gaseous, and the volume expands rapidly, and ammonia nitrogen class volatile gas is lighter, can one step earlier upwards get into the gas treatment chamber, and ammonia nitrogen class volatile gas is one step earlier plugged up the space that vapor rises when upwards getting into the gas treatment chamber, and vapor specific gravity itself is big, sinks downwards, behind the desalination of honeycomb active carbon filter disc, flows from first gas exit tube.
The prior art is referred to in the art for techniques not mentioned in the present invention.
According to the urine treatment method, the evaporation method is used for separating the salt and the moisture in the urine, and the salt is collected and can be used as a fertilizer or a fertilizer raw material; bacteria and viruses in the excrement are killed at high temperature in the evaporation process; the water in the urine is clean and odorless after being treated, and can be used for flushing the urinal and greening the periphery; ammonia nitrogen peculiar smell gas in the evaporation process is filtered and decomposed through adsorption and pyrolysis, so that no peculiar smell is ensured in the treatment process; the recyclable urine independent treatment system has low energy consumption, collects the salt in the urine, realizes the microwave sterilization of the urine and has no peculiar smell in the whole process; the water content in the urine is more than 95 percent, and the water in the urine can be used for flushing and recycling a urinal after evaporation treatment, and can also be used for cleaning a urine room and greening the periphery, so that the waste utilization is realized, and the water resource is saved; the volume is small, the movable urinal can be matched, the urinal can be placed anywhere, the urine can be circulated automatically, and the surrounding environment is not affected completely.
Drawings
FIG. 1 is a schematic diagram of a system for independent treatment of recyclable urine according to the present invention;
FIG. 2 is a schematic cross-sectional view of a portable urinal;
in the figure, 1 is a shell, 11 is a microwave emission source, 2 is a urine evaporation tank, 21 is a honeycomb activated carbon filter disc, 3 is a urine inlet pipe, 4 is a first gas outlet pipe, 5 is a gas treatment cavity, 51 is a partition plate, 52 is a honeycomb activated carbon rod, 6 is a connecting pipe, 7 is a second gas outlet pipe, 8 is a urine room, 9 is a recyclable urine independent treatment system, and 10 is a tool room.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
In the description of the present invention, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, a recyclable urine independent treatment system comprises a housing, a urine evaporation tank, a urine inlet pipe, a gas treatment cavity, a connecting pipe, a first gas outlet pipe and a second gas outlet pipe;
the shell is of a square box structure and is made of 304 stainless steel with the thickness of 3 mm; the height of the shell is 1000mm, the length is 700mm, and the width is 700 mm; the side wall of the shell is provided with 3 microwave emission sources (SAMSUNG Sanxing OM75P-11 water-cooled microwave tubes) with emission directions pointing to the shell from top to bottom; the urine evaporating pot and the gas processing cavity are both positioned in the shell, and the gap in the shell is filled with aluminum silicate rock wool (the filling density is 120 kg/m)3) (ii) a One end of the connecting pipe is communicated with the top of the urine evaporation tank, and the other end of the connecting pipe is communicated with the bottom of the gas treatment cavity;
the urine evaporating pot is made of high-purity silicon dioxide ceramic (purity 99.99%, Lianhonghaote quartz material Co., Ltd.), the microwave penetration rate is more than 80%, and the evaporating temperature of the urine can be met; the urine evaporation tank is cylindrical, the outer diameter of the urine evaporation tank is 230mm, the height of the urine evaporation tank is 530mm, the top of the side wall of the urine evaporation tank is provided with a urine inlet, the bottom of the side wall of the urine evaporation tank is provided with a steam outlet, two layers of honeycomb activated carbon filter discs are arranged between the urine inlet and the steam outlet in the urine evaporation tank, the outer diameter of each honeycomb activated carbon filter disc is equal to the inner diameter of the urine evaporation tank, and the height of each honeycomb activated carbon filter disc is 50 mm; one end of the urine inlet pipe is in butt joint with a urine inlet on the urine evaporating pot, the other end of the urine inlet pipe extends out of the shell, one end of the first gas outlet pipe is in butt joint with a steam outlet on the urine evaporating pot, and the other end of the first gas outlet pipe extends out of the shell; the first gas outlet pipe and the urine inlet pipe are both 316 stainless steel pipes with the diameter of 40 mm;
the gas processing cavity is of a square box structure, the length of the gas processing cavity is 450mm, the width of the gas processing cavity is 200mm, and the height of the gas processing cavity is 250 mm; the gas treatment intracavity is equipped with 5 layers of baffle along the direction of height, and every layer of baffle one end tip all is equipped with the through-hole, and the crisscross tip that sets up at the baffle both ends of through-hole of adjacent two-layer baffle, the through-hole on the gaseous exit tube of second and the gas treatment intracavity topmost baffle are located gas treatment chamber length direction's both ends respectively, and the used material of gas treatment chamber and baffle is composite ceramic, and composite ceramic's raw materials includes: 25 parts of silicon carbide powder (120-; the preparation method comprises the following steps: after silicon carbide powder, silicon dioxide powder, lithium oxide powder and monocrystalline silicon powder are mixed uniformly, sodium silicate solution is added and mixed uniformly, then the mixture is poured into a mold and then is placed into a microwave high-temperature oven to be fired (the power of microwave irradiation is 20kw, and the time of microwave irradiation is 2 hours) for forming, through practice, after the composite ceramic absorbs microwaves, the temperature of the composite ceramic can be rapidly raised to be more than 600 ℃, and the requirement of gas pyrolysis is met; honeycomb activated carbon rods are arranged on each layer of partition plate and at the bottom of the gas treatment cavity, the diameter of each honeycomb activated carbon rod is 20mm, and the length of each honeycomb activated carbon rod is 200 mm; one end of the second gas outlet pipe is communicated with the top of the gas processing cavity, and the other end of the second gas outlet pipe extends out of the shell; the second gas outlet pipe is a 310S stainless steel pipe with the diameter of 20 mm.
As shown in figure 2, in a densely populated park, six portable urinals are matched, six urinals and two tool rooms are matched at the periphery, a urinal is arranged in each urinal room, a set of recyclable urine independent processing system is placed in the middle, a urine collection groove is arranged at the bottom of the recyclable urine independent processing system, a water purification storage tank is arranged at the top of the recyclable urine independent processing system, urine in the urinal can directly flow into the urine collection groove (a step leading from the ground to the urinal room is arranged at the doorway of the urinal room) by raising the height of the urinal, when the urine in the urine collection groove reaches a specified liquid level (or a timing processing mode can be adopted), the recyclable urine independent processing system is opened, the urine in the urine collection groove is processed by the recyclable urine independent processing system, recovered water enters the water purification storage tank, the water purification storage tank supplies water to a flushing tank of each matched urinal, and the portable urinals can be placed anywhere, urine self-circulation, it is complete not have the influence to the surrounding environment, when urine rate of utilization is lower, can supply some water sources according to the practice needs, when the rate of utilization is higher, except that the circulation of gained recovered water is used for the urinal to wash, unnecessary can be used for cleanness, afforestation etc..
The specific process of treating urine by using the recyclable urine independent treatment system comprises the following steps:
1) urine enters a urine evaporation tank from a urine inlet pipe at 48L/h and is evaporated at the temperature of 150-200 ℃;
2) the water vapor generated by evaporation downwards passes through the honeycomb activated carbon filter disc for desalting, flows out from the first gas outlet pipe, and is naturally cooled to obtain clean and tasteless recovered water which meets the national three-class water standard; GB3838-2002, the yield is 80-85%;
3) peculiar smell and/or harmful gas generated by evaporation flow upwards to enter a gas treatment cavity, and after pyrolysis is carried out at the temperature of more than 600 ℃, the gas is discharged after reaching the standard and has no peculiar smell in the whole process, and the gas meets the national atmospheric emission standard GB 13271-2014;
the honeycomb activated carbon filter disc is used for filtering salt in urine, the temperature is raised in a microwave state to provide the temperature in a cavity, the honeycomb activated carbon filter disc can be used for 5000-; the honeycomb activated carbon rod adsorbs harmful and peculiar smell gases, simultaneously, the temperature is raised in a microwave state to provide the temperature in the cavity, and the honeycomb activated carbon rod can be used for 5000 plus 8000 persons and replaced regularly.
The method can realize the independent treatment of urine, and bacteria and viruses in the urine are killed at high temperature in the evaporation process; the obtained recovered water can be circularly used for flushing a urinal after urination and greening the periphery; the obtained salt can be used as fertilizer or fertilizer raw material; the gas is discharged after reaching the standard.

Claims (10)

1. A urine treatment method is characterized in that: the method comprises the following steps:
1) evaporating urine at the temperature of 150-250 ℃;
2) desalting the steam generated by evaporation, and naturally cooling to obtain recovered water;
3) and (3) pyrolyzing the odor and/or harmful gas generated by evaporation at the temperature of more than 600 ℃, and discharging the odor and/or harmful gas after reaching the standard.
2. The urine management method according to claim 1, wherein: in the step 2), the water vapor is adsorbed by a honeycomb activated carbon filter disc to remove salt.
3. A recyclable urine stand-alone system, comprising: comprises a shell, a urine evaporating pot, a urine inlet pipe, a gas processing cavity, a connecting pipe, a first gas outlet pipe and a second gas outlet pipe;
the urine evaporation tank and the gas treatment cavity are both positioned in the shell, a gap in the shell is filled with a heat insulation material, the shell is provided with a microwave emission source with an emission direction pointing to the shell, one end of a connecting pipe is communicated with the top of the urine evaporation tank, and the other end of the connecting pipe is communicated with the bottom of the gas treatment cavity;
the top of the side wall of the urine evaporation tank is provided with a urine inlet, the bottom of the side wall is provided with a steam outlet, and more than one layer of honeycomb activated carbon filter disc is arranged between the urine inlet and the steam outlet in the urine evaporation tank; one end of the urine inlet pipe is in butt joint with a urine inlet on the urine evaporating pot, the other end of the urine inlet pipe extends out of the shell, one end of the first gas outlet pipe is in butt joint with a steam outlet on the urine evaporating pot, and the other end of the first gas outlet pipe extends out of the shell;
more than three layers of clapboards are arranged in the gas treatment cavity along the height direction, a through hole is arranged at one end part of each layer of clapboard, and the through holes of two adjacent layers of clapboards are arranged at the end parts of the two ends of the clapboard in a staggered manner; each layer of partition board is provided with a honeycomb activated carbon rod; one end of the second gas outlet pipe is communicated with the top of the gas processing cavity, and the other end of the second gas outlet pipe extends out of the shell.
4. The recyclable urine stand-alone system of claim 3, wherein: the gas processing cavity and the partition plate are made of composite ceramics; the urine evaporating pot is made of high-purity silicon dioxide ceramic.
5. The recyclable urine stand-alone system of claim 3 or 4, wherein: the filling density of the heat-insulating material is 110-130 kg/m3The heat insulating material is aluminum silicate rock wool.
6. The recyclable urine stand-alone system of claim 3 or 4, wherein: the gas treatment cavity is of a square box structure, and the second gas outlet pipe and the through holes in the topmost partition plate in the gas treatment cavity are respectively positioned at two ends of the gas treatment cavity in the length direction; the length of the gas processing cavity is 400-500 mm, the width is 150-250 mm, and the height is 200-300 mm; 4-8 layers of partition plates are arranged in the gas treatment cavity; the bottom of the gas treatment cavity is also provided with a honeycomb activated carbon rod, the diameter of the honeycomb activated carbon rod is 15-25 mm, and the length of the honeycomb activated carbon rod is 150-250 mm.
7. The recyclable urine stand-alone system of claim 3 or 4, wherein: the urine evaporation tank is cylindrical with the outer diameter of 200-260 mm and the height of 500-560 mm; the honeycomb active carbon filter disc has 2 ~ 3 layers, and the external diameter of honeycomb active carbon filter disc equals the internal diameter of urine evaporating pot, and the height is 45 ~ 55 mm.
8. The recyclable urine stand-alone system of claim 3 or 4, wherein: the second gas outlet pipe is a 310S stainless steel pipe with the diameter of 15-25 mm; the first gas outlet pipe and the urine inlet pipe are both 316 stainless steel pipes with the diameters of 35-45 mm; the shell is of a square box structure and is made of 304 stainless steel with the thickness of 3 mm; the height of the shell is 900-1100 mm, the length is 600-700 mm, and the width is 600-700 mm; 3-4 microwave emission sources are arranged on the side wall of the shell from top to bottom.
9. A method of treating urine using the recyclable urine independent treatment system as described in any one of claims 3 to 8, wherein: the method comprises the following steps:
1) urine enters a urine evaporation tank from a urine inlet pipe and is evaporated at the temperature of 150-250 ℃;
2) the vapor generated by evaporation flows downwards through a honeycomb activated carbon filter disc for desalting, flows out from a first gas outlet pipe, and is naturally cooled to obtain recovered water;
3) the peculiar smell and/or harmful gas generated by evaporation flow upwards to enter the gas treatment cavity, and are discharged after reaching the standard after being pyrolyzed at the temperature of more than 600 ℃.
10. The method according to claim 9, wherein the liquid inlet velocity of the urine is 40 to 50L/hr.
CN202010269464.8A 2020-04-08 2020-04-08 Urine treatment method and recyclable urine independent treatment system Active CN111422936B (en)

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