CN205347007U - Concentrated system of natural pond liquid based on membrane processing technique - Google Patents
Concentrated system of natural pond liquid based on membrane processing technique Download PDFInfo
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- CN205347007U CN205347007U CN201620058572.XU CN201620058572U CN205347007U CN 205347007 U CN205347007 U CN 205347007U CN 201620058572 U CN201620058572 U CN 201620058572U CN 205347007 U CN205347007 U CN 205347007U
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Abstract
The utility model discloses a concentrated system of natural pond liquid based on membrane processing technique, liquid concentrated system in natural pond includes: the concentrated system of natural pond liquid holding pond, natural pond liquid pretreatment systems, tubular ultrafiltration system and reverse osmosis, the concentrated system of natural pond liquid holding pond, natural pond liquid pretreatment systems, tubular ultrafiltration system and reverse osmosis sets up in order. The utility model provides a liquid concentrated system in natural pond utilizes the tubular milipore filter to hold back natural pond liquid earlier, has alleviateed dish tubular reverse osmosis unit's operating load, has prolonged dish tubular reverse osmosis membrane's cleaning interval, adopt the dish tubular reverse osmosis unit of wide runner, the type of nai the pollution, reduced the risk that the membrane polluted when the system moved, guaranteed the long -time steady operation of the concentrated system of natural pond liquid, the backwash water of sand filtration and tubular milipore filter can be regarded as to dish tubular reverse osmosis unit's product water, also can be used for washing the beasts and birds field as the reuse water, has practiced thrift the water resource, environment friendly.
Description
Technical field
This utility model belongs to biogas slurry treatment field, especially relates to a kind of biogas slurry concentration systems based on membrane technology.
Background technology
In recent years the quantity of China's scale livestock farming is continuously increased and intensive degree improves constantly, and causes that the problem of environmental pollution of livestock and poultry feces is day by day serious.According to statistics, to 2007, national livestock and poultry feces total release reached 3,000,000,000 more than t, total COD discharge capacity 77,000,000 more than t, was whole nation industry and more than 5 times of sanitary sewage COD total emission volumn.For the control that livestock and poultry feces pollutes, be used widely gradually with the livestock and poultry feces biogas engineering that anaerobic fermentation is major technique unit, to 2010 the end of the year big-and-middle-sized biogas engineering reach 66978.5 ten thousand stere large-sized biogas engineering process and be divided into different types from different angles.It is divided into ecological energy type and energy environment protection type by engineering purpose, processes livestock and poultry feces Engineering-type by processing raw material divisional processing, process industrial organic waste water type and life debirs type.Most biogas engineerings are to process livestock and poultry feces Engineering-type, and the main waste water processing pig farm.
Meanwhile, biogas engineering produces a large amount of high concentration biogas residue, biogas slurry, and it processes handling problems and highlights gradually.Although containing nutrient substance such as substantial amounts of organic matter, humic acid in biogas residue, biogas slurry, it is back to farmland and can effectively improve agricultural output, but near often existing, farmland digestion capability is not enough, winter little, the long distance transportation high cost of utilization etc. utilize spatial and temporal distributions uneven and economy problems, simultaneously compared with chemical fertilizer or organic commercial fertilizer, in biogas slurry, every nutrient concentration is on the low side, the enthusiasm that peasant utilizes is not high, limits the feasibility that agricultural is dissolved to a certain extent.Biogas slurry is dissolved the difficult popularization that also directly limit biogas engineering.
Summary of the invention
This utility model has the features such as impurity is many, viscosity is high, particulate matter is many according to biogas slurry, and it is easily dirty stifled to there is film for existing membrance concentration technology, the high deficiency of cleaning frequency, it is provided that a kind of biogas slurry concentration systems based on membrane technology.
For this, this utility model is achieved through the following technical solutions:
A kind of biogas slurry concentration systems based on membrane technology, described biogas slurry concentration systems is used for concentrating biogas slurry, and described biogas slurry concentration systems includes:
-biogas slurry holding pond, described biogas slurry holding pond is used for storing biogas slurry；
-biogas slurry pretreatment system, described biogas slurry pretreatment system is for carrying out pretreatment to biogas slurry；
-tubular type ultrafiltration system, described tubular type ultrafiltration system is for being filtered biogas slurry；And
-reverse osmosis concentrated compression system, described reverse osmosis concentrated compression system is for concentrating biogas slurry；
Described biogas slurry holding pond, biogas slurry pretreatment system, tubular type ultrafiltration system and reverse osmosis concentrated compression system are sequentially arranged, the concentrated solution reuse of described tubular type ultrafiltration system is to biogas slurry holding pond, and the permeate of described tubular type ultrafiltration system enters reverse osmosis concentrated compression system and carries out concentration.
Further, described biogas slurry pretreatment system includes regulating reservoir and sand filtering device；Described regulating reservoir is used for removing in biogas slurry part fine particle and some insoluble matters；Described sand filtering device is for retaining macromolecular solid granule and the colloid of biogas slurry；Described regulating reservoir and sand filtering device are sequentially connected with by pipeline.
Further, biogas slurry time of staying in regulating reservoir is 15 ~ 60min.
Further, described sand filtering device adopts sandfiltration pot, when sandfiltration pot inlet and outlet pressure difference is more than 1.5bar, sandfiltration pot is carried out backwash.
Further, described tubular type ultrafiltration system adopts tubular ultrafiltration membrane module, and membrane aperture is 10 ~ 100nm, and film permeant flux is 30 ~ 70L/m2H, its response rate is more than 90%.
Further, described reverse osmosis concentrated compression system adopts disc tube reverse osmosis (dt-ro) device.
Further, the product water of described disc tube reverse osmosis (dt-ro) device is as the backwash water of sand filtering device.
Further, the product water of described disc tube reverse osmosis (dt-ro) device is as the backwash water of tubular ultra-filtration membrane.
Further, the product water of described disc tube reverse osmosis (dt-ro) device is used for rinsing livestock and poultry farm as recycle-water.
Further, the reverse osmosis response rate be 75 ~ 85%.
Further, the operation pressure of described disc tube reverse osmosis (dt-ro) device is 20～60bar.
This utility model provides a kind of biogas slurry concentration systems based on membrane technology, and described biogas slurry concentration systems has the advantage that
(1) system equipment is simple, workable；
(2) tubular ultra-filtration membrane intensity is high, strong adaptability, anti-pollution, and the highest float in water (SS) content that bears is 15g/l,
Utilize tubular ultra-filtration membrane first biogas slurry to be retained, significantly reduce the operating load of disc tube reverse osmosis (dt-ro) device, slow down the pollution tendencies of disc tube reverse osmosis (dt-ro) device, extend the cleaning frequency of disc tube reverse osmosis (dt-ro) film；
(3) adopt the disc tube reverse osmosis (dt-ro) device of wide runner, anti-pollution type, reduce the risk of fouling membrane when system is run, it is ensured that the long-time steady operation of biogas slurry concentration systems；
(4) the product water of disc tube reverse osmosis (dt-ro) device can as the backwash water of sand filtration and tubular ultra-filtration membrane, it is also possible to is used for rinsing livestock and poultry farm as recycle-water, has saved water resource, environmental friendliness.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of biogas slurry concentration systems based on membrane technology provided by the utility model；
In figure: 101-biogas slurry holding pond；201-regulating reservoir；202-sandfiltration pot；301-tubular ultrafiltration membrane module；401-disc tube reverse osmosis (dt-ro) device.
Detailed description of the invention
With reference to the drawings and specific embodiments, this utility model is described in further detail.
A kind of biogas slurry concentration systems based on membrane technology, biogas slurry concentration systems is used for concentrating biogas slurry, and biogas slurry concentration systems includes:
-biogas slurry holding pond 101, biogas slurry holding pond 101 is used for storing biogas slurry；
-biogas slurry pretreatment system, biogas slurry pretreatment system is for carrying out pretreatment to biogas slurry；
-tubular type ultrafiltration system, tubular type ultrafiltration system is for being filtered biogas slurry；And
-reverse osmosis concentrated compression system, reverse osmosis concentrated compression system is for concentrating biogas slurry；
Biogas slurry holding pond 101, biogas slurry pretreatment system, tubular type ultrafiltration system and reverse osmosis concentrated compression system are sequentially arranged, and the concentrated solution reuse of tubular type ultrafiltration system is to biogas slurry holding pond, and the permeate of tubular type ultrafiltration system enters reverse osmosis concentrated compression system and carries out concentration.
Biogas slurry pretreatment system includes regulating reservoir 201 and sand filtering device；Regulating reservoir 201 is used for removing in biogas slurry part fine particle and some insoluble matters；Sand filtering device is for retaining macromolecular solid granule and the colloid of biogas slurry；Regulating reservoir 201 and sand filtering device are sequentially connected with by pipeline.
Biogas slurry time of staying in regulating reservoir 201 is 15 ~ 60min.
Sand filtering device adopts sandfiltration pot 202, when sandfiltration pot 202 inlet and outlet pressure difference is more than 1.5bar, sandfiltration pot 202 is carried out backwash.
Tubular type ultrafiltration system adopts tubular ultrafiltration membrane module 302, and membrane aperture is 10 ~ 100nm, and film permeant flux is 30 ~ 70L/m2H, its response rate is more than 90%.
Reverse osmosis concentrated compression system adopts disc tube reverse osmosis (dt-ro) device 401, disc tube reverse osmosis (dt-ro) device 401 produce the water backwash water as sand filtering device or the backwash water as tubular ultra-filtration membrane or be used for rinsing livestock and poultry farm as recycle-water, and the reverse osmosis response rate is 75 ~ 85%.
The operation pressure of disc tube reverse osmosis (dt-ro) device 401 is 20～60bar.
Above-mentioned detailed description of the invention is used for illustrating this utility model; it is only preferred embodiment of the present utility model; rather than this utility model is limited; in spirit of the present utility model and scope of the claims; any amendment that this utility model is made, equivalent replacement, improvement etc., both fall within protection domain of the present utility model.
Claims (8)
1. the biogas slurry concentration systems based on membrane technology, it is characterised in that described biogas slurry concentration systems is used for concentrating biogas slurry, and described biogas slurry concentration systems includes:
-biogas slurry holding pond, described biogas slurry holding pond is used for storing biogas slurry；
-biogas slurry pretreatment system, described biogas slurry pretreatment system is for carrying out pretreatment to biogas slurry；
-tubular type ultrafiltration system, described tubular type ultrafiltration system is for being filtered biogas slurry；And
-reverse osmosis concentrated compression system, described reverse osmosis concentrated compression system is for concentrating biogas slurry；
Described biogas slurry holding pond, biogas slurry pretreatment system, tubular type ultrafiltration system and reverse osmosis concentrated compression system are sequentially arranged, the concentrated solution reuse of described tubular type ultrafiltration system is to biogas slurry holding pond, and the permeate of described tubular type ultrafiltration system enters reverse osmosis concentrated compression system and carries out concentration.
2. a kind of biogas slurry concentration systems based on membrane technology according to claim 1, it is characterised in that described biogas slurry pretreatment system includes regulating reservoir and sand filtering device；Described regulating reservoir and sand filtering device are sequentially connected with by pipeline.
3. a kind of biogas slurry concentration systems based on membrane technology according to claim 2, it is characterised in that described sand filtering device adopts sandfiltration pot.
4. a kind of biogas slurry concentration systems based on membrane technology according to claim 1, it is characterised in that described tubular type ultrafiltration system adopts tubular ultrafiltration membrane module, and membrane aperture is 10 ~ 100nm, and film permeant flux is 30 ~ 70L/m2h。
5. a kind of biogas slurry concentration systems based on membrane technology according to claim 1, it is characterised in that described reverse osmosis concentrated compression system adopts disc tube reverse osmosis (dt-ro) device.
6. a kind of biogas slurry concentration systems based on membrane technology according to claim 5, it is characterised in that the product water of described disc tube reverse osmosis (dt-ro) device is as the backwash water of sand filtering device.
7. a kind of biogas slurry concentration systems based on membrane technology according to claim 5, it is characterised in that the product water of described disc tube reverse osmosis (dt-ro) device is as the backwash water of tubular ultra-filtration membrane.
8. a kind of biogas slurry concentration systems based on membrane technology according to claim 5, it is characterised in that the product water of described disc tube reverse osmosis (dt-ro) device is used for rinsing livestock and poultry farm as recycle-water.
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| CN201620058572.XU CN205347007U (en) | 2016-01-20 | 2016-01-20 | Concentrated system of natural pond liquid based on membrane processing technique |
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| CN201620058572.XU CN205347007U (en) | 2016-01-20 | 2016-01-20 | Concentrated system of natural pond liquid based on membrane processing technique |
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| CN205347007U true CN205347007U (en) | 2016-06-29 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188375A (en) * | 2017-07-10 | 2017-09-22 | 江苏苏港和顺生物科技有限公司 | A kind of biogas slurry minimizing and the system and its implementation of qualified discharge |
| CN107434314A (en) * | 2017-08-25 | 2017-12-05 | 江苏苏港和顺生物科技有限公司 | A kind of biogas slurry concentrates engineering equipment |
| CN107908212A (en) * | 2017-11-24 | 2018-04-13 | 吉林新金尔科技有限公司 | A kind of automation control system of film processing system |
| CN108821458A (en) * | 2018-06-12 | 2018-11-16 | 合肥丰洁生物科技有限公司 | A kind of film concentration and separation device increasing filtering biogas slurry volume |
| CN112875891A (en) * | 2020-12-31 | 2021-06-01 | 天津市农业科学院 | Biogas slurry concentration membrane treatment system, treatment method and application for livestock and poultry farm |
| CN113023947A (en) * | 2021-03-16 | 2021-06-25 | 浙江省农业科学院 | Biogas slurry concentration system based on reverse osmosis membrane equipment |
-
2016
- 2016-01-20 CN CN201620058572.XU patent/CN205347007U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188375A (en) * | 2017-07-10 | 2017-09-22 | 江苏苏港和顺生物科技有限公司 | A kind of biogas slurry minimizing and the system and its implementation of qualified discharge |
| CN107434314A (en) * | 2017-08-25 | 2017-12-05 | 江苏苏港和顺生物科技有限公司 | A kind of biogas slurry concentrates engineering equipment |
| CN107908212A (en) * | 2017-11-24 | 2018-04-13 | 吉林新金尔科技有限公司 | A kind of automation control system of film processing system |
| CN108821458A (en) * | 2018-06-12 | 2018-11-16 | 合肥丰洁生物科技有限公司 | A kind of film concentration and separation device increasing filtering biogas slurry volume |
| CN112875891A (en) * | 2020-12-31 | 2021-06-01 | 天津市农业科学院 | Biogas slurry concentration membrane treatment system, treatment method and application for livestock and poultry farm |
| CN113023947A (en) * | 2021-03-16 | 2021-06-25 | 浙江省农业科学院 | Biogas slurry concentration system based on reverse osmosis membrane equipment |
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Address after: Hangzhou City, Zhejiang province 311121 District of Yuhang future science and Technology City Sea Park No. 11 Haishu Road, building 2, Room 201 Patentee after: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. Address before: Yuhang District of Hangzhou City, Hangzhou City, Zhejiang province 311121 future technology city sea park No. 11 Haishu Road, building 2, Room 201 Patentee before: HANGZHOU SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20171212 Address after: 313100 Zhejiang city of Huzhou province Changxing County Lijiaxiang Town Industrial Zone in the East Jin Lu Hua Patentee after: CHANGXING SHANGTUO ENVIRONMENTAL TECHNOLOGY CO.,LTD. Address before: Hangzhou City, Zhejiang province 311121 District of Yuhang future science and Technology City Sea Park No. 11 Haishu Road, building 2, Room 201 Patentee before: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 East Huajin Road, industrial concentration area, Lijiaxiang Town, Changxing County, Huzhou City, Zhejiang Province Patentee after: Shangtuo Environmental Technology (Changxing) Co.,Ltd. Address before: 313100 East Huajin Road, industrial concentration area, Lijiaxiang Town, Changxing County, Huzhou City, Zhejiang Province Patentee before: CHANGXING SHANGTUO ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |