CN113979595A - Bathroom sewage recycling device suitable for cold area forest farm - Google Patents
Bathroom sewage recycling device suitable for cold area forest farm Download PDFInfo
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- CN113979595A CN113979595A CN202111284613.9A CN202111284613A CN113979595A CN 113979595 A CN113979595 A CN 113979595A CN 202111284613 A CN202111284613 A CN 202111284613A CN 113979595 A CN113979595 A CN 113979595A
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- 239000010865 sewage Substances 0.000 title claims abstract description 92
- 238000004064 recycling Methods 0.000 title claims abstract description 25
- 239000002689 soil Substances 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002023 wood Substances 0.000 claims abstract description 11
- 238000000746 purification Methods 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims abstract description 7
- 235000019738 Limestone Nutrition 0.000 claims description 6
- 229910021536 Zeolite Inorganic materials 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 239000006028 limestone Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000010457 zeolite Substances 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000009298 carbon filtering Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- 239000002351 wastewater Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 abstract description 2
- 239000003337 fertilizer Substances 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 241000237502 Ostreidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 235000020636 oyster Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
Landscapes
- 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)
- Treatment Of Biological Wastes In General (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a toilet sewage recycling device suitable for a forest farm in a cold area, and relates to the technical field of sewage purification. The method comprises the following steps: the filtering units are arranged in the foundation soil layer below the frozen soil layer in an array manner; each filter unit comprises: the side wall of the cylinder is circumferentially provided with a plurality of filtering through holes, the top of the cylinder is communicated with a first pipe body for introducing sewage, and the bottom of the cylinder is provided with a water outlet pipe and a second pipe body for introducing gas in the cylinder; the water permeable layer is coated on the side wall of the cylinder body; and a crushed stone layer, a packing layer and a crushed wood layer are sequentially arranged in the cylinder body from bottom to top; an active carbon filter layer and a water collecting tank. The invention utilizes a plurality of filtering units arranged below the frozen soil layer to carry out evolution treatment on the sewage, thereby avoiding the freezing of the sewage in cold regions.
Description
Technical Field
The invention belongs to the technical field of sewage purification, and particularly relates to a toilet sewage recycling device suitable for a forest farm in a cold region.
Background
In the washrooms used in the forest farms in the cold regions, the sewage is generally discharged into the forest farms, and is treated and reused, but the sewage is completely fertilized into the forest farms, so that in winter, if the sewage is directly discharged onto the soil surfaces of the forest farms, the sewage is easy to freeze in the cold environment, and soil hardening is caused.
In order to achieve the above purpose, those skilled in the art use a filtering apparatus to treat sewage discharged from a toilet, but in a forest farm in a cold area, the temperature is low throughout the year, the sewage is easily frozen when treated by the filtering apparatus, if the sewage is to be treated into usable water, the requirement on the filtering apparatus is very high, the sewage is easily blocked when passing through a filtering layer in the filtering apparatus, the treatment efficiency of the sewage is greatly affected, the application of the filtering apparatus in the cold area is limited to a great extent, and the recycling of the sewage in the toilet is reduced.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a toilet sewage recycling device suitable for a forest farm in a cold area, which utilizes a plurality of filtering units arranged below a frozen soil layer to carry out evolution treatment on sewage so as to prevent the sewage in the cold area from being frozen, and a certain amount of sewage can be provided for base soil through a permeable layer between each filtering unit and the base soil so as to be used as fertilizer required by planting layer vegetation on the base soil; meanwhile, the roots of the vegetation planted by the planting layer extend into the base soil layer, so that elements in the base soil layer and sewage in the filtering unit can be absorbed, filtering layers combining different matrixes in the filtering unit can jointly purify the sewage, and in addition, the collecting tank is arranged below a frozen soil layer, so that the vegetation is prevented from being frozen in cold regions; thereby realizing the recycling of the sewage in the toilet.
The invention aims to provide a bathroom sewage recycling device, which comprises a purification treatment mechanism, wherein the purification treatment mechanism comprises:
the filtering units are arranged in the foundation soil layer below the frozen soil layer in an array manner; each filter unit comprises:
the side wall of the cylinder is circumferentially provided with a plurality of filtering through holes, the top of the cylinder is communicated with a first pipe body for introducing sewage, and the bottom of the cylinder is provided with a water outlet pipe and a second pipe body for introducing gas in the cylinder;
the water permeable layer is coated on the side wall of the cylinder body; and
the barrel body is internally provided with a crushed stone layer, a packing layer and a crushed wood layer from bottom to top in sequence;
the activated carbon filter layer is arranged below the filter unit, and the top of the activated carbon filter layer is communicated with each water outlet pipe;
and the water collecting tank is arranged at the lower part of the activated carbon filter layer.
Preferably, the crushed wood layer is formed by stacking crushed wood crushed into the particle size of 3-5 mm by various different branches in a forest farm.
Preferably, the packing layer comprises sand, zeolite, oyster shell, activated carbon and limestone, and the particle size of the materials is 5-10 mm.
More preferably, the mass ratio of the sand, the zeolite, the oyster shells, the activated carbon and the limestone is 1: 1: 1: 1: 2.
preferably, a planting layer is arranged on the foundation soil layer, and cold-resistant vegetation is planted on the planting layer.
Preferably, still include the crude sewage treatment mechanism, the crude sewage treatment mechanism includes:
a filter screen which is arranged obliquely and a sedimentation funnel which is arranged below the filter screen,
the filter screen with be equipped with the sewage mouth of arranging between the sediment funnel, the sewage mouth of arranging passes through insulating tube and every first body intercommunication.
More preferably, one end of the filter screen at the lower part is communicated with a sludge collecting tank; and a sewage discharge pipe is arranged above one end of the filter screen which is high.
Preferably, each second pipe body is communicated with a third pipe body, an inlet of the third pipe body is communicated with the outside, and a gas heating device is arranged at the inlet of the third pipe body.
Preferably, the water purification device is further included for purifying the water in the water collecting tank to domestic water.
Preferably, each filter unit is detachably arranged in the foundation soil layer.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a toilet sewage recycling device suitable for a forest farm in a cold region, which utilizes a plurality of filtering units arranged below a frozen soil layer to carry out evolution treatment on sewage of the device so as to prevent the sewage in the cold region from freezing, and a certain amount of sewage can be provided for base soil through a permeable layer between the filtering units and the base soil so as to be used as fertilizer required by planting layer vegetation on the base soil; meanwhile, the roots of the vegetation planted by the planting layer extend into the base soil layer, so that elements in the base soil layer and sewage in the filtering unit can be absorbed, filtering layers combining different matrixes in the filtering unit can jointly purify the sewage, and in addition, the collecting tank is arranged below a frozen soil layer, so that the vegetation is prevented from being frozen in cold regions; thereby realizing the recycling of the sewage in the toilet.
Drawings
FIG. 1 is a schematic structural view of a toilet sewage recycling device provided by the invention.
FIG. 2 is a schematic structural diagram of a filtering unit in the device for recycling sewage in a toilet provided by the invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
The invention provides a bathroom sewage recycling device, which is shown in figures 1-2 and comprises a purification treatment mechanism 2, wherein the purification treatment mechanism 2 comprises:
a plurality of filter units 210 arranged in an array in a basement soil layer 21 below the frozen soil layer; each filter unit can be removed, treated and replaced in the season of air temperature warming;
each of the filter units 210 includes:
the side wall of the cylinder is circumferentially provided with a plurality of filtering through holes, the top of the cylinder is communicated with a first pipe body for introducing sewage, and the bottom of the cylinder is provided with a water outlet pipe 2105 and a second pipe body for introducing gas in the cylinder;
on the side wall of the cylinder body a water-permeable layer 2101 is coated, and
a crushed stone layer 2104, a filler layer 2103 and a crushed wood layer 2102 are sequentially arranged in the cylinder body from bottom to top;
impurity of great granule in its sewage is filtered earlier through shredded wood layer 2102 after sewage gets into the barrel, the shredded wood layer 2102 that uses is that the shredded wood that is 3 ~ 5mm by multiple different branches in the forest farm is smashed and is piled up and form, rethread packing layer 2103 further filters sewage, wherein packing layer 2103 includes sand, zeolite, oyster shell and active carbon and lime stone, the particle diameter of its material is 5 ~ 10mm, carry out degradation treatment to the impurity in the sewage, the stink of sewage has been eliminated, secondly purify the back through shredded wood layer 2104 again, the outflow barrel. Sewage is at the in-process through barrel filtration treatment, is equipped with a small amount of sewage through lateral wall circumference and filters the through-hole, can provide a quantitative sewage for basic unit's soil for plant the required fertilizer of layer vegetation on the basic unit's soil. Simultaneously infiltration in the basic unit soil can be through the permeable bed entering barrel, desalts its filterable sewage, promotes the adsorption treatment to sewage. In addition, the filtering efficiency of the sewage flowing through each unit is different in the process of treating each unit, and the sewage amount introduced into each filtering unit can be automatically adjusted through the plurality of filtering units connected in parallel, so that the filtering treatment effect on the sewage is improved.
The top of the activated carbon filter layer 22 is communicated with each water outlet pipe 2105 by being arranged below the filter unit 210; and a water collecting tank 23 is arranged at the lower part of the active carbon filtering layer 22, and water filtered from the cylinder is filtered and adsorbed by the active carbon filtering layer and then is collected to the water collecting tank 23, so that the water collecting tank can be used for irrigation water.
Wherein, the mass ratio of the sand, the zeolite, the oyster shell, the activated carbon and the limestone selected in the packing layer is 1: 1: 1: 1: 2.
in order to adapt to the environment, a planting layer 20 is provided on a foundation soil layer 21, and cold-resistant vegetation 201 is planted on the planting layer 20.
Therefore, the device utilizes a plurality of filtering units arranged below the frozen soil layer to carry out evolution treatment on the sewage, avoids the sewage in cold regions from being frozen, and can provide a certain amount of sewage for the base soil through the permeable layer between the filtering units and the base soil for the fertilizer required by the vegetation planted on the base soil; meanwhile, the roots of the vegetation planted by the planting layer extend into the base soil layer, so that elements in the base soil layer and sewage in the filtering unit can be absorbed, filtering layers combining different matrixes in the filtering unit can jointly purify the sewage, and in addition, the collecting tank is arranged below a frozen soil layer, so that the vegetation is prevented from being frozen in cold regions; thereby realizing the recycling of the sewage in the toilet.
Example 2
On the basis of embodiment 1, this embodiment still includes the crude sewage treatment device 1, and crude sewage treatment device 1 includes:
a filter screen 11 which is arranged obliquely and a settling funnel 12 which is arranged below the filter screen,
and a sewage discharge port is arranged between the filter screen 11 and the precipitation funnel 12 and is communicated with each first pipe body through a heat insulation pipe 13. The lower end of the filter screen 11 is communicated with a sludge collecting tank 110; a sewage discharge pipe 10 is arranged above one end of the filter screen 11. Every second body all communicates with third body 211, and the import and the external world of third body 211 communicate, and the import department of third body 211 is equipped with gas heating device.
Therefore, the sewage generated by the toilet through the sewage coarse treatment mechanism is subjected to coarse filtration treatment, on one hand, the sewage is prevented from entering the filtering unit, the filtering unit is blocked, and on the other hand, the filtration efficiency is improved. Gas after will heating through third body 211 lets in the barrel, can promote the efficiency of the degradation processing of sewage in the barrel.
Example 3
On the basis of embodiment 2, the present embodiment further comprises a water purifying device 3 for purifying the water in the water collecting tank 23 to domestic water. Each filter unit 210 is detachably disposed in foundation layer 21.
Therefore, through the water purifying device, the domestic water obtained by deep processing the water in the water collecting tank can be provided for the forest farm in the cold region, and the waste of the domestic water is avoided.
In conclusion, the invention provides a toilet sewage recycling device suitable for a forest farm in a cold area, which utilizes a plurality of filtering units arranged below a frozen soil layer to carry out evolution treatment on sewage so as to prevent the sewage in the cold area from being frozen, and a certain amount of sewage can be provided for base soil through a permeable layer between the filtering units and the base soil so as to be used as fertilizer required by planting layer vegetation on the base soil; meanwhile, the roots of the vegetation planted by the planting layer extend into the base soil layer, so that elements in the base soil layer and sewage in the filtering unit can be absorbed, filtering layers combining different matrixes in the filtering unit can jointly purify the sewage, and in addition, the collecting tank is arranged below a frozen soil layer, so that the vegetation is prevented from being frozen in cold regions; thereby realizing the recycling of the sewage in the toilet.
The above disclosure is only for the specific embodiment of the present invention, but the embodiment of the present invention is not limited thereto, and any variations that can be made by those skilled in the art should fall within the scope of the present invention.
Claims (10)
1. The utility model provides a bathroom sewage cyclic utilization device, includes purification unit (2), its characterized in that, purification unit (2) includes:
a plurality of filter units (210) arranged in an array in a basement soil layer (21) below the permafrost layer; each filter unit (210) comprises:
the side wall of the cylinder is circumferentially provided with a plurality of filtering through holes, the top of the cylinder is communicated with a first pipe body for introducing sewage, and the bottom of the cylinder is provided with a water outlet pipe (2105) and a second pipe body for introducing gas in the cylinder;
a water permeable layer (2101) coated on the side wall of the cylinder; and
the barrel body is internally provided with a rubble layer (2104), a filler layer (2103) and a rubble layer (2102) from bottom to top in sequence;
the activated carbon filter layer (22) is arranged below the filter unit (210), and the top of the activated carbon filter layer is communicated with each water outlet pipe (2105);
and the water collecting tank (23) is arranged at the lower part of the activated carbon filtering layer (22).
2. The bathroom sewage recycling device according to claim 1, wherein the crushed wood layer (2102) is formed by stacking crushed wood crushed to a particle size of 3-5 mm from a plurality of different branches in a forest farm.
3. The bathroom sewage recycling device of claim 1, wherein the packing layer (2103) comprises sand, zeolite, oyster shell, activated carbon and limestone, and the particle size of the materials is 5-10 mm.
4. The device for recycling the sewage in the toilet according to claim 3, wherein the mass ratio of the sand, the zeolite, the oyster shell, the activated carbon and the limestone is 1: 1: 1: 1: 2.
5. the bathroom sewage recycling device according to claim 1, wherein a planting layer (20) is arranged on the foundation soil layer (21), and cold-resistant vegetation (201) is planted on the planting layer (20).
6. The bathroom sewage recycling device according to claim 1, further comprising a sewage rough treatment mechanism (1), wherein said sewage rough treatment mechanism (1) comprises:
a filter screen (11) which is arranged in an inclined way and a settling funnel (12) which is arranged below the filter screen,
the sewage draining port is arranged between the filter screen (11) and the sedimentation funnel (12), and is communicated with each first pipe body through a heat preservation pipe (13).
7. The device for recycling the sewage in the toilet according to the claim 6, wherein the lower end of the filter screen (11) is communicated with a sludge collecting tank (110); a sewage discharge pipe (10) is arranged above one end of the filter screen (11) which is high.
8. The recycling device for sewage in toilet according to claim 1, wherein each of said second pipes is connected to a third pipe (211), the inlet of said third pipe (211) is connected to the outside, and a gas heating device is provided at the inlet of said third pipe (211).
9. The recycling device of toilet sewage according to claim 1, further comprising a water purifying device (3) for purifying the water in the collecting tank (23) to domestic water.
10. The sanitary wastewater recycling device according to claim 1, wherein each of the filter units (210) is detachably disposed in the foundation layer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284613.9A CN113979595A (en) | 2021-11-01 | 2021-11-01 | Bathroom sewage recycling device suitable for cold area forest farm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284613.9A CN113979595A (en) | 2021-11-01 | 2021-11-01 | Bathroom sewage recycling device suitable for cold area forest farm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113979595A true CN113979595A (en) | 2022-01-28 |
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ID=79745503
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111284613.9A Pending CN113979595A (en) | 2021-11-01 | 2021-11-01 | Bathroom sewage recycling device suitable for cold area forest farm |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115448476A (en) * | 2022-07-27 | 2022-12-09 | 农业农村部规划设计研究院 | Excrement and urine diversity type circulating water toilet flushing and excrement and urine treatment process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209760389U (en) * | 2018-10-30 | 2019-12-10 | 北京朗新明环保科技有限公司 | A ecological processing system of waste water for cold arid area |
| CN211688701U (en) * | 2019-12-12 | 2020-10-16 | 辛军 | Public toilet sewage treatment system |
| CN212076680U (en) * | 2020-04-16 | 2020-12-04 | 时代源泉(南京)环境科技有限公司 | Unpowered rainwater purification device |
-
2021
- 2021-11-01 CN CN202111284613.9A patent/CN113979595A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209760389U (en) * | 2018-10-30 | 2019-12-10 | 北京朗新明环保科技有限公司 | A ecological processing system of waste water for cold arid area |
| CN211688701U (en) * | 2019-12-12 | 2020-10-16 | 辛军 | Public toilet sewage treatment system |
| CN212076680U (en) * | 2020-04-16 | 2020-12-04 | 时代源泉(南京)环境科技有限公司 | Unpowered rainwater purification device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115448476A (en) * | 2022-07-27 | 2022-12-09 | 农业农村部规划设计研究院 | Excrement and urine diversity type circulating water toilet flushing and excrement and urine treatment process |
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Application publication date: 20220128 |
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