CN107628693A - A kind of multistage filtering absorbing treatment device for life low-pollution water - Google Patents
A kind of multistage filtering absorbing treatment device for life low-pollution water Download PDFInfo
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- CN107628693A CN107628693A CN201710303024.8A CN201710303024A CN107628693A CN 107628693 A CN107628693 A CN 107628693A CN 201710303024 A CN201710303024 A CN 201710303024A CN 107628693 A CN107628693 A CN 107628693A
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Abstract
The invention discloses a kind of multistage filtering absorbing treatment device for life low-pollution water, the device is made up of a storage tank (13) and 5~8 water treatment rooms, storage tank (13) is arranged at the top of device, and water treatment rooms at different levels vertically assemble.Tank top sets passage and top cover, interior setting screen pack.Dividing plate (19) and porous disc (9) are set between storage tank and water treatment room, set moisture to match somebody with somebody area (10) under porous disc (9).In addition to the first water treatment room, water treatment rooms at different levels are respectively provided with moisture and match somebody with somebody area (10) and filler displacement zone (11), filler displacement zone (11) side wall sets lateral opening (8), and horizontal supporting plate (7) is set between each water treatment room.This method overcome simultaneously conventional method it is difficult in maintenance, it is easy block, clean-up effect difference and operating cost it is high the shortcomings of, effectively raise the utilization rate of domestic water, while reduce the discharge of sewage.
Description
Technical field
The present invention relates to the water-treatment technology field of environment-friendly engineering, more particularly to a kind of multistage for life low-pollution water
Filtration and adsorption treatment device.
Background technology
China's gross amount of water resources is enriched, but per capita ownership deficiency, and substantial amounts of water resource is consumed in life, is produced simultaneously
Raw substantial amounts of sanitary sewage, such as effective processing not in time, can produce serious pollution to environment.It is effective to handle and utilize life
Sewage is to solving the problems, such as that the current water resource deficiency in China will be significant.It is dirty that sanitary sewage includes kitchen waste water, toilet
Water, shower sewage and wash water etc., due to carrying out aqueous nature difference, the pollutant contained in each water is different, thus processing method
It is different.
Current method for treating water is various, there is chemical method, physical method and physico-chemical process, and caused low in living
Contaminant water does not need complex process to be just utilized, but usually ignored.Therefore, the low-pollution water processing in research life
Method, to effectively utilizing recycled water will be significant.At present to the processing of sanitary sewage, main mandate or disclosed patent
Including：A kind of rural domestic sewage treatment process (number of applying for a patent：201611103519.8), a kind of be used for domestic sewage in rural areas
Novel and multifunctional oxidation pond (the number of applying for a patent of processing：201610716364.9), a kind of combined type rural domestic sewage treatment
Method (the number of applying for a patent：201610612775.3), a kind of rural domestic sewage treatment equipment (number of applying for a patent：
201610592757.3) a kind of horizontal integrated equipment (number of applying for a patent suitable for rural domestic sewage treatment：
201610552882.1) a kind of vertical integrated equipment (number of applying for a patent suitable for rural domestic sewage treatment：
201610552883.6) the four lattice pond (numbers of applying for a patent of a kind of family suitable for rural domestic sewage treatment：
201610552881.7) a kind of rural domestic sewage treatment system (number of applying for a patent：201610337806.9) life in the countryside dirt
Water treatment facilities, processing system and the processing method (number of applying for a patent：201510533628.2), a kind of rural domestic sewage treatment
Method (the number of applying for a patent：201510421839.7), a kind of family formula rural domestic sewage treatment, reusing integral system (Shen
Please the patent No.：201410786169.4), the sanitary sewage disposal case filter (number of applying for a patent：201410744439.5)、
A kind of rural domestic sewage treatment and reclamation set (number of applying for a patent：201410639712.8), at a kind of domestic sewage in rural areas
Reason system (the number of applying for a patent：201410018196.7), a kind of Domestic waste water treating device (number of applying for a patent：
201310274209.2), a kind of domestic sewage treater (number of applying for a patent：201310101379.0), at a kind of sanitary sewage
Manage the equipment (number of applying for a patent：201210308421.1), a kind of devices and methods therefor of Southern Rural Area domestic sewage processing system
(the number of applying for a patent：201110444099.0), a kind of rural domestic sewage treating device (number of applying for a patent：
201110384419.8), a kind of rural domestic sewage treatment system for being suitable for the northern area of China and its technique (are applied for a patent
Number：201110213344.7), a kind of unpowered single-apartment treatment method for rural sewage and the device (number of applying for a patent：
200910231119.9), the nitrification/denitrification integrated rural domestic sewage processing system (number of applying for a patent：
201410132372.X), a kind of rural domestic sewage treating device and the processing method (number of applying for a patent：
200910051854.1), the low concentration domestic sewage treating system (number of applying for a patent：200710120782.2), a kind of rural area life
Sewage-treatment plant (the number of applying for a patent living：201020149220.8) and a kind of compound people of staged for low-pollution water processing
Work wetland device (the number of applying for a patent：201410229651.8) etc., technique be present and answer in the processing system that the above patent uses
One or more shortcomings such as miscellaneous, difficult in maintenance, system easily fails, the cycle of operation is short, operating cost is high.Therefore, a kind of work is developed
Skill is simple, safeguards and easy to maintenance, the multistage filtering absorbing treatment device of the life low-pollution water of cycle of operation length, low to promoting
The processing and utilization of contaminant water have important practical significance.
The content of the invention
It is an object of the invention to provide a kind of multistage filtering absorbing treatment device for life low-pollution water, not only effectively
Raising sanitary sewage utilization rate, while reduce cost of sewage disposal, the device uses reproducible filtering adsorbing material bamboo
Activated carbon prepared by charcoal, clinker and stalk, realizes recycling for resource, the convenience for device maintenance, passes through in the process of running
The activated carbon of the filling of filler displacement zone 11 is changed, realizes the service life for improving device, the present apparatus is easy to process, and cost is low, has
Beneficial to popularization and application.
The technical scheme that the present invention takes is as follows：
A kind of multistage filtering absorbing treatment device for life low-pollution water, the device is by a storage tank 13 and 5~8
Individual water treatment room composition, storage tank 13 are placed in the top of device, and water treatment rooms at different levels vertically assemble；Tank top has device
Top cover 1, handle 2 and passage 4 are set on device top cover 1, passage top cover 3, interior setting screen pack 5 are set on passage 4；Storage
Dividing plate 19 and porous disc 9 are set between water tank 13 and water treatment room, and 9 times setting moisture of porous disc match somebody with somebody area 10；Each water treatment room it
Between horizontal supporting plate 7 and porous disc 9 are set, the upper and lower surface gradient of horizontal supporting plate 7 is identical, and upper and lower surface
Angle between horizontal plane is 0.29~1.05 degree；In addition to the first water treatment room 14, the moisture of remaining each water treatment room matches somebody with somebody area
10 opposites side set filler displacement zone 11, and the side wall 6 of filler displacement zone 11 sets lateral opening 8；The water treatment room of bottom of device
The angle of setting delivery port 12, the upper surface of bottom plate 20 and horizontal plane is 0.58~1.42 degree, is tilted to the side of delivery port 12.
Each water treatment room is highly 150~300mm, and width is 500~1000mm, and length is 1000~
2000mm；The inner space vertical height of storage tank 13 is 300~600mm, and width and length are consistent with water treatment room；Moisture matches somebody with somebody area
10 height be equal to water treatment room inner space height, length be equal to water treatment room inner space width, width be 50~
100mm；The height of filler displacement zone 11 is equal to the height of water treatment room inner space, and length is equal to the width of water treatment room inner space
Degree, width is 200~300mm.
Delivery port 12 is arranged at the bottom of device, a diameter of 50~100mm；Passage 4 on top cover 1 away from tip cap edge >=
30mm, 4 a diameter of 20~50mm of passage；Handle 2 is located at the geometric center position of device top cover 1；Screen pack 5 uses nylon yarn
Net, screen pack 5 are 5~8 mesh.
Dividing plate 19 and horizontal supporting plate 7 are waterproof plate, and the other end is connected with porous disc 9, the length of porous disc 9
Equal to the width of water treatment room inner space, the width of porous disc 9 is 80~120mm；Dividing plate 19 and the thickness of slab of porous disc 9 are no more than
20mm, the thickness of slab of horizontal supporting plate 7 are no more than 100mm.
Filling clinker in first water treatment room 14,15 interior filling rubble of the second water treatment room, the 3rd water treatment room is interior to fill
16 bamboo charcoals, 17 interior filling manganese sand filtering material of the 4th water treatment room, the 5th water treatment room 18 and the interior filling quartz sand of following water treatment room.
Moisture is with filling rubble in area 10, the interior filling activated carbon in filler displacement zone 11.
The ballast grain sizes of filling be 5~10mm in second water treatment room 15, the manganese sand filtering material that the 4th water treatment room 17 is filled
Particle diameter is 3~8mm, and the quartz sand particle size that the 5th water treatment room 18 and following water treatment room are filled is 3~5mm.
Ballast grain sizes of the moisture with filling in area 10 are 8~20mm, and the activated carbon particle size filled in filler displacement zone 11 is 5
~10mm.
Activated carbon is prepared using stalk, stalk after excess temperature is 600~750 DEG C of heat treatment 30~60 seconds, using 50~
100kPa hydraulic pressure is rinsed, and is dried after flushing to moisture content and is less than 10%, dries post-processing into graininess.
Beneficial effect：The present invention can effectively remove the pollutant in life low-pollution water, and treating capacity is big, can realize
Effective utilization of life low-pollution water；The present invention uses reproducible sorbing material, realizes the recycling of waste；The present invention
Processing method is absorbed using multistage filtering, high to pollutants removal rate, the low-pollution water after filtering is other to make in addition to drinking
With；The present invention is easy to maintenance, and service life length, workable, manufacturing cost is low.
Brief description of the drawings
Fig. 1 is the profile of the present invention.
Fig. 2 is the top view of the present invention.
In figure, 1, device top cover, 2, top cover handle, 3, vent cap, 4, passage, 5, screen pack, 6, side wall, 7, horizontal
Support, 8, sidewall opening, 9, porous disc, 10, moisture match somebody with somebody area, 11, filler displacement zone, 12, delivery port, 13, storage tank, 14, the
One water treatment room, the 15, second water treatment room, the 16, the 3rd water treatment room, the 17, the 4th water treatment room, the 18, the 5th water treatment room,
19th, dividing plate, 20, bottom plate.
Embodiment floor
The present invention absorbs processing method using multistage filtering, selects different filtrates, realizes the high purification of life low-pollution water
Rate；Based on renewable filtrate, the horizontal raising of the recycling of waste is realized；The present invention changes traditional structure forms, solution
Certainly blockage problem.
Below in conjunction with example, the present invention is further described, and specific implementation step is as follows：
Example 1：Rural domestic sewage treatment
As depicted in figs. 1 and 2, domestic sewage in rural areas invention device is prepared, the device is by a storage tank 13 and 5 water
Formed between reason, storage tank 13 is placed in the top of device, and water treatment rooms at different levels vertically assemble；Tank top has device top cover 1,
Handle 2 and passage 4 are set on device top cover 1, passage top cover 3, interior setting screen pack 5 are set on passage 4；Storage tank 13
Dividing plate 19 and porous disc 9 are set between water treatment room, and 9 times setting moisture of porous disc match somebody with somebody area 10；Set between each water treatment room
Horizontal supporting plate 7 and porous disc 9, the upper and lower surface gradient of horizontal supporting plate 7 is identical, and upper and lower surface and level
Angle between face is 1.05 degree；In addition to the first water treatment room 14, the moisture of remaining each water treatment room is set with the opposite side of area 10
Filler displacement zone 11 is put, the side wall 6 of filler displacement zone 11 sets lateral opening 8；The water treatment room of bottom of device sets delivery port 12,
The angle of the upper surface of bottom plate 20 and horizontal plane is 1.42 degree, is tilted to the side of delivery port 12.
Each water treatment room is highly 300mm, width 1000mm, length 2000mm；Hang down the inner space of storage tank 13
Straight height is 600mm, and width and length are consistent with water treatment room；Moisture is equal to water treatment room inner space height with the height of area 10
Degree, length are equal to the width of water treatment room inner space, width 100mm；The height of filler displacement zone 11 is equal in water treatment room
Portion's spatial altitude, length are equal to the width of water treatment room inner space, width 300mm.
Delivery port 12 is arranged at the bottom of device, a diameter of 100mm；Passage 4 on top cover 1 is 50mm away from tip cap edge,
4 a diameter of 50mm of passage；Described handle 2 is located at the geometric center position of device top cover 1；Described screen pack 5 uses Buddhist nun
Nylon yarn net, screen pack 5 are 8 mesh.
Dividing plate 19 and horizontal supporting plate 7 are waterproof plate, and the other end is connected with porous disc 9, the length of porous disc 9
Equal to the width of water treatment room inner space, the width of porous disc 9 is 120mm；Dividing plate 19 and the thickness of slab of porous disc 9 are 20mm, horizontal
The thickness of slab of supporting plate 7 is 100mm.
Filling clinker in first water treatment room 14,15 interior filling rubble of the second water treatment room, ballast grain sizes are 5~10mm,
Filling bamboo charcoal in 3rd water treatment room 16, filling particle diameter is 3~8mm manganese sand filtering materials in the 4th water treatment room 17, the 5th water process
Between 18 and following water treatment room in filling particle diameter be 3~5mm quartz sand, moisture is 8~20mm's with filling particle diameter in area 10
Rubble, the activated carbon that the interior filling particle diameter in filler displacement zone 11 is 5~10mm.
Activated carbon is prepared using maize straw, and maize straw is after 750 DEG C of times are the heat treatment of 30 seconds through excess temperature, is adopted
It is rinsed with 100kPa hydraulic pressure, it is 9% to be dried after flushing to moisture content, dries post-processing into graininess.
The device prepared as stated above, handles low-pollution water caused by life in the countryside, water after processing is used to washing one's face and rinsing one's mouth,
Face airborne dust watering, flowers, vegetables and crops are poured.
Example 2：Urban family domestic sewage disposal
As depicted in figs. 1 and 2, urban family domestic sewage invention device is prepared, the device is by a storage tank 13 and 8
Water treatment room forms, and storage tank 13 is placed in the top of device, and water treatment rooms at different levels vertically assemble；The upper table of horizontal supporting plate 7
Face is identical with the lower surface gradient, and the angle between upper and lower surface and horizontal plane is 0.29 degree；Except the first water treatment room
Outside 14, the moisture of remaining each water treatment room sets filler displacement zone 11 with the opposite side of area 10, and the side wall 6 of filler displacement zone 11 is set
Lateral opening 8；The angle of the water treatment room setting delivery port 12 of bottom of device, the upper surface of bottom plate 20 and horizontal plane is 0.58 degree,
Tilted to the side of delivery port 12.
Each water treatment room is highly 150mm, width 500mm, length 1000mm；The inner space of storage tank 13 is vertical
Highly it is 300mm, width and length are consistent with water treatment room；Moisture is equal to water treatment room inner space height with the height of area 10,
Length is equal to the width of water treatment room inner space, width 50mm；The height of filler displacement zone 11 is equal to empty inside water treatment room
Between height, length be equal to water treatment room inner space width, width 200mm.
Delivery port 12 is arranged at the bottom of device, a diameter of 50mm；Passage 4 on top cover 1 is 30mm away from tip cap edge, is led to
4 a diameter of 20mm of stomata；Described handle 2 is located at the geometric center position of device top cover 1；Described screen pack 5 uses nylon
Silk screen, screen pack 5 are 5 mesh.
Dividing plate 19 and horizontal supporting plate 7 are waterproof plate, and the other end is connected with porous disc 9, the length of porous disc 9
Equal to the width of water treatment room inner space, the width of porous disc 9 is 80mm；Dividing plate 19 and the thickness of slab of porous disc 9 are 10mm, level branch
The thickness of slab of fagging 7 is 80mm.
Filling clinker in first water treatment room 14, the rubble that 15 interior filling particle diameter of the second water treatment room is 5~10mm, the 3rd
Filling bamboo charcoal in water treatment room 16, filling particle diameter is 3~8mm manganese sand filtering materials in the 4th water treatment room 17, the 5th water treatment room 18
And the quartz sand that filling particle diameter is 3~5mm in following water treatment room, the rubble that moisture is 8~20mm with the interior filling particle diameter in area 10,
The activated carbon that filling particle diameter is 5~10mm in filler displacement zone 11.
Activated carbon using sunflower straw prepare, sunflower straw through excess temperature be 600 DEG C of times be 60 seconds heat treatment
Afterwards, it is rinsed using 50kPa hydraulic pressure, it is 7% to be dried after flushing to moisture content, dries post-processing into graininess.
The device prepared as stated above, for low-pollution water caused by the urban life of processing, the water after processing is used for
Wash one's face and rinse one's mouth, dust from land surface watering and indoor flower pour etc..
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Essence of the invention is not being departed from
Spirit and principle within all any modification, equivalent and improvement made etc., should be included in protection scope of the present invention it
It is interior.
Claims (9)
- A kind of 1. multistage filtering absorbing treatment device for life low-pollution water, it is characterised in that：The device is by a water storage Case (13) and 5~8 water treatment room compositions, storage tank (13) are placed in the top of device, and water treatment rooms at different levels vertically assemble； Tank top has device top cover (1), and handle (2) and passage (4) are set on device top cover (1), ventilation is set on passage (4) Hole top cover (3), interior setting screen pack (5)；Storage tank (13) sets dividing plate (19) and porous disc (9) between water treatment room, thoroughly Moisture is set to match somebody with somebody area (10) under water plate (9)；Horizontal supporting plate (7) and porous disc (9), horizontal support are set between each water treatment room Plate (7) upper and lower surface gradient is identical, and the angle between upper and lower surface and horizontal plane is 0.29~1.05 degree； In addition to the first water treatment room (14), opposite side of remaining each water treatment room moisture with area (10) sets filler displacement zone (11), Filler displacement zone (11) side wall (6) sets lateral opening (8)；The water treatment room of bottom of device sets delivery port (12), bottom plate (20) angle of upper surface and horizontal plane is 0.58~1.42 degree, is tilted to delivery port (12) side.
- 2. each water treatment room as claimed in claim 1 is highly 150~300mm, width is 500~1000mm, long Degree is 1000~2000mm；Described storage tank (13) inner space vertical height is 300~600mm, width and length with Water treatment room is consistent；Described moisture is highly equal to the height of water treatment room inner space with area (10), and length is equal to water process Between inner space width, width is 50~100mm；Described filler displacement zone (11) is highly equal to water treatment room inner space Height, length be equal to water treatment room inner space width, width is 200~300mm.
- 3. delivery port (12) as claimed in claim 1 is arranged at the bottom of device, a diameter of 50~100mm；The top cover (1) On passage (4) away from tip cap edge >=30mm, passage (4) a diameter of 20~50mm；Described handle (2) is located at device top cover (1) geometric center position；Described screen pack (5) uses nylon mesh, and screen pack (5) is 5~8 mesh.
- 4. dividing plate (19) as claimed in claim 1 and horizontal supporting plate (7) are waterproof plate, and the other end is and porous disc (9) it is connected, the length of porous disc (9) is equal to the width of water treatment room inner space, and porous disc (9) width is 80~120mm；Every Plate (19) and porous disc (9) thickness of slab are no more than 20mm, and horizontal supporting plate (7) thickness of slab is no more than 100mm.
- 5. filling clinker in the first water treatment room (14) as claimed in claim 1, the interior filling rubble of the second water treatment room (15), Filling bamboo charcoal in 3rd water treatment room (16), filling manganese sand filtering material in the 4th water treatment room (17), the 5th water treatment room (18) and Filling quartz sand in following water treatment room.
- 6. moisture as claimed in claim 1 is with filling rubble in area (10), filling activated carbon in filler displacement zone (11).
- 7. the ballast grain sizes filled in the second water treatment room (15) as claimed in claim 5 are 5~10mm, the 4th water treatment room (17) the manganese sand filtering material particle diameter of filling is 3~8mm, the 5th water treatment room (18) and the filling of following water treatment room quartzy sand grains in Footpath is 3~5mm.
- 8. ballast grain sizes of the moisture as claimed in claim 6 with filling in area (10) are 8~20mm, in filler displacement zone (11) The activated carbon particle size of filling is 5~10mm.
- 9. the activated carbon as described in claim 6 and claim 8 is prepared using stalk, stalk is 600~750 DEG C through excess temperature After heat treatment 30~60 seconds, it is rinsed using 50~100kPa hydraulic pressure, is dried after flushing to moisture content and be less than 10%, dried Post-processing is into graininess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710303024.8A CN107628693A (en) | 2017-05-02 | 2017-05-02 | A kind of multistage filtering absorbing treatment device for life low-pollution water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710303024.8A CN107628693A (en) | 2017-05-02 | 2017-05-02 | A kind of multistage filtering absorbing treatment device for life low-pollution water |
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| Publication Number | Publication Date |
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| CN107628693A true CN107628693A (en) | 2018-01-26 |
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ID=61099307
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710303024.8A Pending CN107628693A (en) | 2017-05-02 | 2017-05-02 | A kind of multistage filtering absorbing treatment device for life low-pollution water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794083A (en) * | 2019-03-15 | 2019-05-24 | 中恒建设集团有限公司 | A kind of passive sewage-treatment plant of assembled |
| CN111573940A (en) * | 2020-04-07 | 2020-08-25 | 青岛奥利普自动化控制系统有限公司 | Water purification device for pharmacy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100661957B1 (en) * | 1999-09-30 | 2006-12-28 | 킴벌리-클라크 월드와이드, 인크. | Method and apparatus for multistage liquid filtration |
| CN201762179U (en) * | 2010-03-31 | 2011-03-16 | 长江大学 | Rural domestic sewage treatment unit |
| CN205099497U (en) * | 2015-10-29 | 2016-03-23 | 苏州净华水处理设备有限公司 | Open active carbon filter unit inclines |
-
2017
- 2017-05-02 CN CN201710303024.8A patent/CN107628693A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100661957B1 (en) * | 1999-09-30 | 2006-12-28 | 킴벌리-클라크 월드와이드, 인크. | Method and apparatus for multistage liquid filtration |
| CN201762179U (en) * | 2010-03-31 | 2011-03-16 | 长江大学 | Rural domestic sewage treatment unit |
| CN205099497U (en) * | 2015-10-29 | 2016-03-23 | 苏州净华水处理设备有限公司 | Open active carbon filter unit inclines |
Non-Patent Citations (2)
| Title |
|---|
| 王宏主编: "《染整工艺学第4册第2版》", 31 May 2004, 中国纺织出版社 * |
| 薛智勇主编: "《农业固体废物处理与处置》", 30 November 2016, 河南科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794083A (en) * | 2019-03-15 | 2019-05-24 | 中恒建设集团有限公司 | A kind of passive sewage-treatment plant of assembled |
| CN111573940A (en) * | 2020-04-07 | 2020-08-25 | 青岛奥利普自动化控制系统有限公司 | Water purification device for pharmacy |
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Application publication date: 20180126 |
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