CN209759154U - Water treatment system with immersed ultrafiltration structure and reverse osmosis structure - Google Patents
Water treatment system with immersed ultrafiltration structure and reverse osmosis structure Download PDFInfo
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- CN209759154U CN209759154U CN201920248384.7U CN201920248384U CN209759154U CN 209759154 U CN209759154 U CN 209759154U CN 201920248384 U CN201920248384 U CN 201920248384U CN 209759154 U CN209759154 U CN 209759154U
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Abstract
The utility model discloses a sewage treatment technical field's a water treatment system who has submergence formula ultrafiltration structure and reverse osmosis structure concurrently, this system is including the submergence formula ultrafiltration system that sets gradually, two sets of parallelly connected one-level reverse osmosis system and second grade reverse osmosis system, submergence formula ultrafiltration system includes leading sedimentation tank and rearmounted membrane cisterna, intercommunication mouth department between leading sedimentation tank and the rearmounted membrane cisterna is equipped with filtration membrane, and the top of leading sedimentation tank is passed through the filling tube and is thrown the unit with powdered activated carbon and link to each other, divide into supernatant fluid district and lower turbid area in the rearmounted membrane cisterna, and the linear equipartition in supernatant fluid district has submergence formula ultrafiltration membrane subassembly, be equipped with the backwash pump in the turbid district down, the delivery port of backwash pump passes through back flow and leading sedimentation tank top intercommunication. The utility model discloses a mode of physical adsorption and multi-stage filtration can effectively prolong membrane cleaning cycle, improves the reclaimed water quality of water.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to have submergence formula ultrafiltration structure and reverse osmosis structure's water treatment system concurrently.
Background
Water is a basic and strategic resource for human survival and development, and for more than two decades, China has made great progress in socioeconomic aspects to draw attention, and meanwhile, water resource shortage and water pollution become one of the most serious challenges facing the economic and urbanization development process of China. Therefore, the water treatment and environment treatment technology is emphasized, and continuous research on solving the problems of water resource utilization, water conservation and sewage and wastewater treatment is an important measure for realizing sustainable development of economy and society, and has practical and strategic significance.
The existing sewage treatment mode mainly comprises coagulation, sedimentation and filtration, particularly has better filtration effect, and when the filtration method is adopted for filtration, the ultrafiltration membrane has the best filtration effect, but the quality of water treatment by adopting a single mode is difficult to improve, so that the adoption of a composite water treatment mode is the research and development direction of sewage treatment.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a water treatment system having both an immersion type ultrafiltration structure and a reverse osmosis structure.
The utility model discloses the technical scheme who adopts does:
Designing a water treatment system with submergence formula ultrafiltration structure and reverse osmosis structure concurrently, this water treatment system includes submergence formula ultrafiltration system, one-level reverse osmosis system and the second grade reverse osmosis system that sets gradually, submergence formula ultrafiltration system includes raw water pipe, leading sedimentation tank, rearmounted membrane cisterna, ultrafiltration water pipe and the ultrafiltration water tank that sets gradually and communicate along rivers advancing direction, be equipped with the raw water pump on the raw water pipe, be equipped with ultrafiltration pump on the ultrafiltration water pipe, intercommunication mouth department between leading sedimentation tank and the rearmounted membrane cisterna is equipped with filtration membrane, and the top of leading sedimentation tank adds the unit through filling tube and powdered activated carbon and links to each other, divide into upper clear liquid district and lower turbid district in the rearmounted membrane cisterna, and be equipped with the module loading board bottom the upper clear liquid district, be equipped with submergence formula ultrafiltration membrane module on the module loading board, the top of submergence formula ultrafiltration membrane module with ultrafiltration water pipe intercommunication, a reflux pump is arranged in the lower turbid area, and a water outlet of the reflux pump is communicated with the top of the front sedimentation tank through a reflux pipe; the primary reverse osmosis system comprises a primary security filter, a primary high-pressure pump and a primary reverse osmosis device which are sequentially arranged and communicated along the advancing direction of water flow, and a water inlet of the primary security filter is communicated with the ultrafiltration water tank through a pipeline; the secondary reverse osmosis system comprises a secondary cartridge filter, a secondary high-pressure pump and a secondary reverse osmosis device which are sequentially arranged and communicated along the advancing direction of water flow, and a water inlet of the secondary cartridge filter is communicated with a concentrated water inlet of the primary reverse osmosis device through a pipeline.
Preferably, the water treatment system comprises two sets of primary reverse osmosis systems which are connected in parallel.
Preferably, the immersed ultrafiltration system further comprises a backwashing pump and a backwashing tank, wherein a water outlet of the backwashing pump is communicated with an ultrafiltration water pipe between the top of the immersed ultrafiltration membrane component and the ultrafiltration water pump through a backwashing pipe, and a water inlet of the backwashing pump is communicated with the backwashing tank.
Preferably, one side of the backwashing tank is connected with the ultrafiltration water tank through a water supplementing pipe and a water supplementing valve.
Preferably, the bottom of the immersed ultrafiltration membrane component is communicated with an aerator pipe, and the aerator pipe is connected with a blower arranged outside the post-positioned membrane tank.
Preferably, the immersed ultrafiltration system further comprises a liquid medicine box, and the liquid medicine box is connected with the backwashing tank through a liquid medicine feeding pipe.
Preferably, the number of the liquid medicine boxes is four.
Compared with the prior art, the utility model has the advantages that:
1. The utility model adopts the mode of combining active carbon adsorption and ultrafiltration membrane filtration to filter the raw water, and the powdery active carbon can adsorb and deposit the small and medium molecular organic matters in the preposed sedimentation tank, thereby being not easy to pollute and block the ultrafiltration membrane and prolonging the membrane cleaning period; the utility model discloses a mode that ultrafiltration and reverse osmosis combined together filters water, can effectively improve the reclaimed water quality of water.
2. The utility model discloses in the different ponds that set up around being located active carbon and milipore filter subassembly, can effectively prolong the active carbon to the adsorption of micromolecule organic matter, reduce the use amount of active carbon to can prevent that the active carbon after the absorption from blockking up the milipore filter subassembly.
3. The utility model discloses in set up milipore filter subassembly in the supernatant fluid district of rearmounted membrane pond, can further prolong membrane cleaning cycle.
4. The utility model discloses a mode that gas washing and washing combined together, it is effectual to the backwash of milipore filter, and the damage is lower.
Drawings
fig. 1 is a schematic structural view of the present invention;
The device comprises a raw water pipe 1, a raw water pump 2, a front sedimentation tank 3, a powdered activated carbon adding unit 4, an ultrafiltration membrane component 5, a rear membrane tank 6, a backwashing tank 7, a backwashing pump 8, a backwashing pipe 9, an ultrafiltration water pipe 10, an ultrafiltration water tank 11, a filtration membrane 12, a supernatant liquid region 13, a lower turbid region 14, a module bearing plate 15, an ultrafiltration water pump 16, an aeration pipe 17, an air blower 18, a water replenishing valve 19, a reflux pump 20, a reflux pipe 21, a pure water tank 22, a liquid medicine tank 23, a liquid medicine adding pipe 24, a water replenishing pipe 25, a primary security filter 26, a primary high-pressure pump 27, a primary reverse osmosis device 28, a secondary security filter 29, a secondary high-pressure pump 30 and a secondary reverse osmosis device 31.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way. The unit module components, structures, mechanisms, sensors and other devices referred to in the following examples are all conventional and commercially available products unless otherwise specified.
Example (b): as shown in fig. 1, a water treatment system with an immersed ultrafiltration structure and a reverse osmosis structure comprises an immersed ultrafiltration system, two sets of a primary reverse osmosis system and a secondary reverse osmosis system which are connected in parallel, wherein the immersed ultrafiltration system comprises a raw water pipe 1, a raw water pump 2, a front sedimentation tank 3, a powdered activated carbon adding and feeding unit 4, an immersed ultrafiltration membrane component 5, a rear membrane tank 6, a backwashing tank 7, a backwashing pump 8, a backwashing pipe 9, an ultrafiltration water pipe 10 and an ultrafiltration water tank 11, the raw water pump 2 is arranged on the raw water pipe 1, a water outlet end of the raw water pipe 1 is communicated with the top of the front sedimentation tank 3, and the powdered activated carbon adding unit 4 is arranged on one side of the top of the front sedimentation tank 3 and communicated with the front sedimentation tank 3 through a feeding pipe and used for adding powdered activated carbon into the front sedimentation tank 3; leading sedimentation tank 3 and rearmounted membrane tank 6 (leading in this embodiment and rearmounted meaning are that the raw water passes through the sedimentation tank earlier, pass through the membrane tank again) between the intercommunication mouth department be equipped with filtration membrane 12, this filtration membrane 12's filtration pore size is greater than submergence formula milipore filter subassembly 5 for carry out the first filtration to the raw water, the macromolecular material separation that mainly forms behind the macromolecular material and the active carbon adsorption in the leading sedimentation tank 3. The rear membrane pool 6 is internally divided into an upper clear liquid area 13 and a lower turbid area 14, module bearing plates 15 are arranged on two sides of the bottom of the upper clear liquid area 13, a plurality of immersed ultrafiltration membrane assemblies 5 (a negative pressure type hollow fiber ultrafiltration membrane in the embodiment) are linearly and uniformly distributed on the module bearing plates 15 along the advancing direction of water flow, the length direction of the immersed ultrafiltration membrane assemblies 5 is vertical to the advancing direction of the water flow, the tops of the immersed ultrafiltration membrane assemblies 5 are communicated with one end of an ultrafiltration water pipe 10, the other end of the ultrafiltration water pipe 10 is connected with an ultrafiltration water tank 11, and an ultrafiltration water pump 16 is arranged on the ultrafiltration water pipe 10; the bottom of each immersed ultrafiltration membrane component 5 is communicated with an aeration pipe 17, and the aeration pipe 17 is connected with an air blower 18 arranged outside the rear membrane tank 6 and used for carrying out gas backwashing on the immersed ultrafiltration membrane component 5. The water outlet of the backwashing pump 8 is communicated with an ultrafiltration pipe 10 between the top of the immersed ultrafiltration membrane component 5 and the ultrafiltration pump 16 through a backwashing pipe 9, the water inlet is communicated with the backwashing tank 7, and one side of the backwashing tank 7 is connected with the ultrafiltration tank 11 through a water replenishing pipe 25 and a water replenishing valve 19.
The primary reverse osmosis system comprises a primary security filter 26, a primary high-pressure pump 27 and a primary reverse osmosis device 28 which are sequentially arranged along the advancing direction of water flow, the water inlet of the primary security filter 26 is communicated with the ultrafiltration water tank 11 through a pipeline, the water outlet of the primary security filter is connected with the water inlet of the primary high-pressure pump 27, the water outlet of the primary high-pressure pump 27 is connected with the water inlet of the primary reverse osmosis device 28, and the ultrafiltration water inlet of the primary reverse osmosis device 28 is connected with the pure water tank 22.
The second-stage reverse osmosis system comprises a second-stage security filter 29, a second-stage high-pressure pump 30 and a second-stage reverse osmosis device 31 which are sequentially arranged along the advancing direction of water flow, the water inlet of the second-stage security filter 29 is communicated with the concentrated water inlet of the first-stage reverse osmosis device 28 through a pipeline, the water outlet of the second-stage security filter is connected with the water inlet of the second-stage high-pressure pump 30, the water outlet of the second-stage high-pressure pump 30 is connected with the water inlet of the second-stage reverse osmosis device 31.
in this embodiment, in order to further improve the utilization rate of the activated carbon and reduce the usage amount of the activated carbon, a reflux pump 20 is disposed in the lower turbid area 14, and a water outlet of the reflux pump 20 is communicated with the top of the front sedimentation tank 3 through a reflux pipe 21.
In this embodiment, in order to further improve the backwashing effect of the immersed ultrafiltration membrane module, the water treatment system further comprises four liquid medicine tanks 23, sodium hypochlorite, citric acid, acid and alkali solutions are respectively contained in the four liquid medicine tanks 23, and each liquid medicine tank 23 is respectively connected with the backwashing tank 7 through a liquid medicine adding pipe 24.
The operation and use method of the water treatment system comprises the following steps:
Under the action of a raw water pump 2, raw water is injected into a front sedimentation tank 3 through a raw water pipe 1, powdered activated carbon is put into the front sedimentation tank 3, the powdered activated carbon adsorbs medium and small molecular substances in the raw water, the raw water subjected to physical sedimentation enters a rear membrane tank 6 through a filter membrane 12, and macromolecular substances in the raw water are blocked in the front sedimentation tank 3 through the primary filtration action of the filter membrane 12; raw water in the post-positioned membrane pool 6 is divided into a supernatant liquid area 13 and a lower turbid area 14, the raw water in the supernatant liquid area 13 enters a first-stage reverse osmosis system after being subjected to secondary filtration by the immersed ultrafiltration membrane module 5, soluble salts in the raw water are filtered out under the action of the two-stage reverse osmosis system, and then high-quality reclaimed water enters a pure water tank 22. The powdery activated carbon and the middle molecular substance in the lower turbid area 14 are returned to the front sedimentation tank 3 through the return pipe 21 under the action of the return pump 20, so that the unreacted powdery activated carbon is reused.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. a water treatment system with an immersed ultrafiltration structure and a reverse osmosis structure is characterized in that: the water treatment system comprises an immersed ultrafiltration system, a primary reverse osmosis system and a secondary reverse osmosis system which are sequentially arranged, wherein the immersed ultrafiltration system comprises a raw water pipe, a front sedimentation tank, a rear membrane tank, an ultrafiltration water pipe and an ultrafiltration water tank which are sequentially arranged and communicated along the advancing direction of water flow, the raw water pipe is provided with the raw water pump, the ultrafiltration water pipe is provided with the ultrafiltration water pump, a communication port between the front sedimentation tank and the rear membrane tank is provided with a filtration membrane, the top of the front sedimentation tank is connected with a powdered activated carbon feeding unit through a feed pipe, the rear membrane tank is internally divided into an upper clear liquid area and a lower turbid area, the bottom of the upper clear liquid area is provided with a module bearing plate, the module bearing plate is provided with an immersed ultrafiltration membrane assembly, the top of the immersed ultrafiltration membrane assembly is communicated with the ultrafiltration water pipe, and the lower turbid area is internally provided with a reflux pump, the water outlet of the reflux pump is communicated with the top of the preposed sedimentation tank through a reflux pipe; the primary reverse osmosis system comprises a primary security filter, a primary high-pressure pump and a primary reverse osmosis device which are sequentially arranged and communicated along the advancing direction of water flow, and a water inlet of the primary security filter is communicated with the ultrafiltration water tank through a pipeline; the secondary reverse osmosis system comprises a secondary cartridge filter, a secondary high-pressure pump and a secondary reverse osmosis device which are sequentially arranged and communicated along the advancing direction of water flow, and a water inlet of the secondary cartridge filter is communicated with a concentrated water inlet of the primary reverse osmosis device through a pipeline.
2. The water treatment system having both a submerged ultrafiltration structure and a reverse osmosis structure of claim 1, wherein: the water treatment system comprises two sets of first-stage reverse osmosis systems which are connected in parallel.
3. The water treatment system having both a submerged ultrafiltration structure and a reverse osmosis structure of claim 1, wherein: the immersed ultrafiltration system further comprises a backwashing pump and a backwashing tank, wherein the water outlet of the backwashing pump is communicated with an ultrafiltration water pipe between the top of the immersed ultrafiltration membrane component and the ultrafiltration water pump through a backwashing pipe, and the water inlet of the backwashing pump is communicated with the backwashing tank.
4. A water treatment system having both a submerged ultrafiltration structure and a reverse osmosis structure according to claim 3, wherein: one side of the backwashing tank is connected with the ultrafiltration water tank through a water supplementing pipe and a water supplementing valve.
5. The water treatment system having both a submerged ultrafiltration structure and a reverse osmosis structure of claim 1, wherein: the bottom of the immersed ultrafiltration membrane component is communicated with an aeration pipe, and the aeration pipe is connected with an air blower arranged outside the post-positioned membrane tank.
6. A water treatment system having both a submerged ultrafiltration structure and a reverse osmosis structure according to claim 3, wherein: the immersed ultrafiltration system further comprises a liquid medicine box, and the liquid medicine box is connected with the backwashing tank through a liquid medicine feeding pipe.
7. The water treatment system having both a submerged ultrafiltration structure and a reverse osmosis structure of claim 6, wherein: the number of the liquid medicine boxes is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920248384.7U CN209759154U (en) | 2019-02-27 | 2019-02-27 | Water treatment system with immersed ultrafiltration structure and reverse osmosis structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920248384.7U CN209759154U (en) | 2019-02-27 | 2019-02-27 | Water treatment system with immersed ultrafiltration structure and reverse osmosis structure |
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| CN209759154U true CN209759154U (en) | 2019-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847690A (en) * | 2020-07-28 | 2020-10-30 | 梁秀宜 | High-efficient sedimentation tank that sewage treatment used |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847690A (en) * | 2020-07-28 | 2020-10-30 | 梁秀宜 | High-efficient sedimentation tank that sewage treatment used |
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Address after: 467000 miner Middle Road No. 21, Henan Province, Pingdingshan Patentee after: CHINA PINGMEI SHENMA ENERGY CHEMICAL GROUP Co.,Ltd. Patentee after: Henan Pingmei Shenma Jingbao Chemical Technology Co., Ltd Address before: 467000 miner Middle Road No. 21, Henan Province, Pingdingshan Patentee before: CHINA PINGMEI SHENMA ENERGY CHEMICAL GROUP Co.,Ltd. Patentee before: Pingdingshan Jingbao Coking Co., Ltd. of China Pingmei Shenma Group |