CN204550147U - One section of energy recovery water saving backflow reverse osmosis system - Google Patents
One section of energy recovery water saving backflow reverse osmosis system Download PDFInfo
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- CN204550147U CN204550147U CN201520226602.9U CN201520226602U CN204550147U CN 204550147 U CN204550147 U CN 204550147U CN 201520226602 U CN201520226602 U CN 201520226602U CN 204550147 U CN204550147 U CN 204550147U
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Abstract
The utility model discloses a kind of one section of energy recovery water saving backflow reverse osmosis system, comprise reverse osmosis membrane assembly, the water-in of described reverse osmosis membrane assembly is connected with water inlet pipe, described water inlet pipe is provided with the first butterfly valve, the first topping-up pump, the first vacuum breaker and motorized valve, the water purification water outlet of described reverse osmosis membrane assembly is connected with product water rising pipe, the sewage outlet of wherein said reverse osmosis membrane assembly is communicated with by return water pipe with between described water-in, described return water pipe is provided with the second butterfly valve, the second topping-up pump, the second vacuum breaker and the first stopping valve.The utility model one section of energy recovery water saving backflow reverse osmosis system can solve and cannot regulate by one section of membrane type reverse osmosis system operation rate of recovery, and by the extremely low phenomenon of two sections of membrane type reverse osmosis system operational efficiency.
Description
Technical field
The utility model relates to a kind of Sewage treatment systems, espespecially a kind of one section of energy recovery water saving backflow reverse osmosis system.
Background technology
Reverse osmosis is a kind of reverse locomotory movement of infiltration, a kind of under pressure-driven, by means of the separation method that the solute in solution and solvent separate by the selective retention effect of reverse osmosis membrane, it has been widely used in the purification of various liquid with concentrated, especially in water technology, with reverse osmosis technology, the impurity be mixed in a large number in water such as the industrial pollutants in water, heavy metal, bacterium, virus are all isolated, thus reach the physical and chemical index and hygienic standard of drinking regulation, can the extremely clear extremely pure water of output.
The existing reverse osmosis system rate of recovery just must be run by two sections of film devices more than 60%, be illustrated in figure 1 existing two sections of membrane type reverse osmosis systems, it comprises first paragraph reverse osmosis membrane assembly 1 ' and second segment reverse osmosis membrane assembly 2 ', wherein the water-in of first paragraph reverse osmosis membrane assembly 1 ' is connected with water inlet pipe 3 ', water inlet pipe 3 ' is provided with the first butterfly valve 4 ', topping-up pump 5 ', first vacuum breaker 6 ' and motorized valve 7 ', the sewage outlet of first paragraph reverse osmosis membrane assembly 1 ' is communicated with the water-in of second segment reverse osmosis membrane assembly 2 ' by the first sewage rising pipe 8 ', first paragraph reverse osmosis membrane assembly 1 ' is all communicated with product water rising pipe 9 ' with the pure water inlet of second segment reverse osmosis membrane assembly 2 ', produce on water rising pipe 9 ' and be connected with the second vacuum breaker 10 ' and the second butterfly valve 11 ', produce on water rising pipe 9 ' and be connected with sewage pipe 12 ', sewage pipe 12 ' is connected with first and rushes valve 13 ' soon, the other end of sewage pipe 13 ' connects the first foul water tank 14 ', the sewage outlet of second segment reverse osmosis membrane assembly 2 ' is connected with the second sewage rising pipe 15 ' and the 3rd sewage rising pipe 16 ', wherein the second sewage rising pipe 15 ' is provided with variable valve 17 ', under meter 18 ' and the 3rd vacuum breaker 19 ', 3rd sewage rising pipe 16 ' is provided with second and rushes valve 20 ' soon, second sewage rising pipe 15 ' is all communicated with the second foul water tank 21 ' with the other end of the 3rd sewage rising pipe 16 '.Existing reverse osmosis system due to the water inlet of second segment reverse osmosis membrane assembly 2 ' be the dense water that first paragraph reverse osmosis membrane assembly 1 ' is discharged, not only TDS (disolvable solid) is high, and intake pressure is low, in whole membranous system, first paragraph reverse osmosis membrane assembly 1 ' water production rate is more than 2 times of second segment reverse osmosis membrane assembly 2 ' water production rate, second segment reverse osmosis membrane assembly 2 ' operational efficiency is extremely low, if only adopt one section of membrane type reverse osmosis system, then run water production rate and utilising efficiency high, but the rate of recovery cannot improve.
Utility model content
Main purpose of the present utility model is to provide a kind of one section of energy recovery water saving backflow reverse osmosis system, and it can solve and cannot regulate by one section of membrane type reverse osmosis system operation rate of recovery, and by the extremely low phenomenon of two sections of membrane type reverse osmosis system operational efficiency.
To achieve these goals, technical solution of the present utility model is: a kind of one section of energy recovery water saving backflow reverse osmosis system, comprise reverse osmosis membrane assembly, the water-in of described reverse osmosis membrane assembly is connected with water inlet pipe, described water inlet pipe is provided with the first butterfly valve, first topping-up pump, first vacuum breaker and motorized valve, the water purification water outlet of described reverse osmosis membrane assembly is connected with product water rising pipe, the sewage outlet of wherein said reverse osmosis membrane assembly is communicated with by return water pipe with between described water-in, described return water pipe is provided with the second butterfly valve, second topping-up pump, second vacuum breaker and the first stopping valve.
The utility model one section of energy recovery water saving backflow reverse osmosis system, wherein said return water pipe is communicated with the second sewage rising pipe with the first sewage rising pipe, described first sewage rising pipe is provided with variable valve, under meter and the 3rd vacuum breaker, described second sewage rising pipe is provided with first and rushes valve soon, described first sewage rising pipe is all communicated with the first foul water tank with the other end of the second sewage rising pipe.
The utility model one section of energy recovery water saving backflow reverse osmosis system, wherein said product water rising pipe is provided with the 4th vacuum breaker and the second butterfly valve, described product water rising pipe is connected with sewage pipe, described sewage pipe is connected with second and rushes valve soon, the other end of described sewage pipe connects the second foul water tank.
The utility model one section of energy recovery water saving backflow reverse osmosis system, wherein said water inlet pipe is provided with the first tensimeter, the sewage outlet of described reverse osmosis membrane assembly is provided with the second tensimeter, described return water pipe is provided with the 3rd tensimeter.
After adopting such scheme, the utility model one section of energy recovery water saving backflow reverse osmosis system by installing back water pipe between the water-in and sewage outlet of reverse osmosis membrane assembly, and the second butterfly valve is installed on return water pipe, second topping-up pump, second vacuum breaker and the first stopping valve, when reverse osmosis system runs, by regulating the second topping-up pump, each valve size on rear adjustment return water pipe, regulate the concentrate recirculation amount of discharging from sewage outlet, thus control the rate of recovery of a whole set of reverse osmosis system, before the second topping-up pump, after the second tensimeter and the 3rd pressure representative digital display show the pressure difference of dense water and water inlet, and by the second topping-up pump carry out pressure supplement, dense water is made to be utilized like this, the rate of recovery like this by regulating the outer discharge capacity of reverse osmosis concentrated water can regulate one section of membrane type reverse osmosis system, avoid the phenomenon at waste water source, improve the utilising efficiency of membrane flux and membrane element, decrease the quantity of reverse osmosis membrane thus decrease cost of investment, it is without the need to making two-segment film formula reverse osmosis system, and its structure is simple, saves pipe valve, fully can reclaim 80% of dense water section energy, save electricity.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing two sections of membrane type reverse osmosis systems;
Fig. 2 is the structural representation of the utility model one section of energy recovery water saving backflow reverse osmosis system.
Embodiment
As shown in Figure 2, the utility model one section of energy recovery water saving backflow reverse osmosis system, comprise reverse osmosis membrane assembly 1, the water-in of reverse osmosis membrane assembly 1 is connected with water inlet pipe 2, water inlet pipe is provided with the first butterfly valve 3, first topping-up pump 4, first vacuum breaker 5, motorized valve 6 and the first tensimeter 7, the water purification water outlet of reverse osmosis membrane assembly 1 is connected with product water rising pipe 8, wherein the sewage outlet of reverse osmosis membrane assembly 1 is communicated with by return water pipe 9 with between described water-in, return water pipe 9 is provided with the second butterfly valve 10, second topping-up pump 11, second vacuum breaker 12 and the first stopping valve 13.Return water pipe 9 is communicated with the second sewage rising pipe 15 with the first sewage rising pipe 14, first sewage rising pipe 14 is provided with variable valve 16, under meter 17 and the 3rd vacuum breaker 18, second sewage rising pipe 15 is provided with first and rushes valve 19 soon, the first sewage rising pipe 14 is all communicated with the first foul water tank 20 with the other end of the second sewage rising pipe 15.Produce on water rising pipe 8 and be provided with the 4th vacuum breaker 21 and the second butterfly valve 22, produce on water rising pipe 8 and be connected with sewage pipe 23, sewage pipe 23 is connected with second and rushes valve 24 soon, the other end of sewage pipe 23 connects the second foul water tank 25.The sewage outlet of reverse osmosis membrane assembly 1 is provided with the second tensimeter 26, return water pipe 9 is provided with the 3rd tensimeter 27.
When the system is operated, by regulating the second topping-up pump 11, each valve size on rear adjustment return water pipe 9, thus regulate the concentrate recirculation amount of discharging from sewage outlet, thus control the rate of recovery of a whole set of reverse osmosis system, the pressure difference of dense water and water inlet is shown by the second tensimeter 26 before and after the second topping-up pump 11 and the 3rd tensimeter 27 registration, and by the second topping-up pump 11 carry out pressure supplement, dense water is made to be utilized like this, the rate of recovery like this by regulating the outer discharge capacity of reverse osmosis concentrated water can regulate one section of membrane type reverse osmosis system, avoids the phenomenon at waste water source; Improve the utilising efficiency of membrane flux and membrane element, decrease the quantity of reverse osmosis membrane thus decrease cost of investment; It is without the need to making two-segment film formula reverse osmosis system, and its structure is simple, saves pipe valve; Fully can reclaim 80% of dense water section energy, save electricity.
The above embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that the common engineering technical personnel in this area make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (4)
1. one section of energy recovery water saving backflow reverse osmosis system, comprise reverse osmosis membrane assembly, the water-in of described reverse osmosis membrane assembly is connected with water inlet pipe, described water inlet pipe is provided with the first butterfly valve, the first topping-up pump, the first vacuum breaker and motorized valve, the water purification water outlet of described reverse osmosis membrane assembly is connected with product water rising pipe, it is characterized in that: the sewage outlet of described reverse osmosis membrane assembly is communicated with by return water pipe with between described water-in, described return water pipe is provided with the second butterfly valve, the second topping-up pump, the second vacuum breaker and the first stopping valve.
2. one section of energy recovery water saving backflow reverse osmosis system as claimed in claim 1, it is characterized in that: described return water pipe is communicated with the second sewage rising pipe with the first sewage rising pipe, described first sewage rising pipe is provided with variable valve, under meter and the 3rd vacuum breaker, described second sewage rising pipe is provided with first and rushes valve soon, described first sewage rising pipe is all communicated with the first foul water tank with the other end of the second sewage rising pipe.
3. one section of energy recovery water saving backflow reverse osmosis system as claimed in claim 2, it is characterized in that: described product water rising pipe is provided with the 4th vacuum breaker and the second butterfly valve, described product water rising pipe is connected with sewage pipe, described sewage pipe is connected with second and rushes valve soon, the other end of described sewage pipe connects the second foul water tank.
4. one section of energy recovery water saving backflow reverse osmosis system as claimed in claim 3, it is characterized in that: described water inlet pipe is provided with the first tensimeter, the sewage outlet of described reverse osmosis membrane assembly is provided with the second tensimeter, described return water pipe is provided with the 3rd tensimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520226602.9U CN204550147U (en) | 2015-04-16 | 2015-04-16 | One section of energy recovery water saving backflow reverse osmosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520226602.9U CN204550147U (en) | 2015-04-16 | 2015-04-16 | One section of energy recovery water saving backflow reverse osmosis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204550147U true CN204550147U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520226602.9U Active CN204550147U (en) | 2015-04-16 | 2015-04-16 | One section of energy recovery water saving backflow reverse osmosis system |
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| Country | Link |
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| CN (1) | CN204550147U (en) |
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2015
- 2015-04-16 CN CN201520226602.9U patent/CN204550147U/en active Active
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