CN212246590U - Reverse osmosis water treatment system - Google Patents
Reverse osmosis water treatment system Download PDFInfo
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- CN212246590U CN212246590U CN202020753790.1U CN202020753790U CN212246590U CN 212246590 U CN212246590 U CN 212246590U CN 202020753790 U CN202020753790 U CN 202020753790U CN 212246590 U CN212246590 U CN 212246590U
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- reverse osmosis
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Abstract
A reverse osmosis water treatment system relates to the technical field of water treatment, and comprises a raw water tank, a pumping pressure system, a pretreatment filtering system, a softener system, a reverse osmosis system and a pure water tank; the pump pressure system is connected with the raw water tank, and the pretreatment filtering system is connected with the pump pressure system and used for filtering or adsorbing impurities in the raw water; the softener system is connected with the pretreatment filtering system and is used for softening the filtered raw water; the softener system comprises a main softener and a standby softener, wherein the main softener and the standby softener are connected in parallel; the reverse osmosis system is connected with the softener system; the pure water tank is connected with the reverse osmosis system. The raw water is processed into pure water which can be directly used for industrial production through a pretreatment filtering system, a softening system and a reverse osmosis system; and the softener system is provided with a main softener and a standby softener, the two softeners can be alternately used and are maintained in turn, and the water treatment efficiency is ensured.
Description
Technical Field
The application relates to the technical field of water treatment, in particular to a reverse osmosis water treatment system.
Background
With the improvement of the overall environmental protection consciousness of the society and the mandatory constraint of national policies, the environmental protection pressure of enterprises is getting bigger and bigger, and the pressure on water resource utilization is especially huge. In order to reach the national environmental protection standard and reduce the production cost, many enterprises are provided with a reverse osmosis water treatment system to treat the produced production wastewater. However, the enterprises in the prior art use a reverse osmosis water treatment system, which is generally limited to make the wastewater meet the discharge standard and make it nontoxic, but the treated wastewater meeting the discharge standard still contains a large amount of calcium and magnesium ions, inorganic substances, colloidal particles, bacteria, organic substances, etc., and is not suitable for direct industrial production.
Disclosure of Invention
The technical problem that this application solved is the waste water after a reverse osmosis water treatment system handles now, though reach emission standard, can't directly be used for industrial production.
In order to solve the above technical problem, an embodiment of the present application provides a reverse osmosis water treatment system, including:
the raw water tank is used for storing raw water to be treated;
the system comprises a pump pressure system, a raw water tank, a pretreatment filter system and a water storage system, wherein the pump pressure system is connected with the raw water tank and is used for conveying water in the raw water tank to the pretreatment filter system;
the pretreatment filtering system is connected with the pumping pressure system and is used for filtering or adsorbing impurities in raw water;
the softener system is connected with the pretreatment filtering system and is used for softening the filtered raw water; the softener system comprises a main softener and a standby softener, wherein the main softener and the standby softener are connected in parallel;
a reverse osmosis system connected to the softener system;
the pure water tank is connected with the reverse osmosis system.
In the above technical solution, further, the pretreatment filtration system includes a mechanical filter and an activated carbon filter, the pumping system is connected to the mechanical filter, the mechanical filter is connected to the activated carbon filter, and the activated carbon filter is connected to the softener system.
In the technical scheme, the device further comprises a pasteurization system, and the pasteurization system is connected with the activated carbon filter.
In the above technical solution, further, the system further comprises an RO cleaning device, wherein the RO cleaning device is connected with the reverse osmosis system and is used for cleaning the reverse osmosis system.
In the above technical scheme, it is further that reverse osmosis system includes multistage seamless membrane shell and EDI device, be equipped with the pellicle in the seamless membrane shell, the softener system is connected with the seamless membrane shell, the seamless membrane shell is connected with the EDI device, the EDI device is connected with the pure water case.
In the above technical scheme, the water purifier further comprises an intermediate water tank, the seamless membrane shell is connected with the intermediate water tank, the intermediate water tank is connected with the EDI device, and the EDI device is connected with the pure water tank.
In the above technical scheme, the device further comprises a purified water pump and a frequency converter, wherein the purified water pump is connected with the purified water tank, and the frequency converter is connected with the purified water pump.
In the above technical solution, further, the water softener further comprises a cartridge filter, and the cartridge filter is located between the softener system and the reverse osmosis system.
Compared with the prior art, the technical scheme of the embodiment of the application has the following beneficial effects:
the embodiment of the application provides a reverse osmosis water treatment system, which is characterized in that impurities in raw water, including granular impurities, residual chlorine, organic matters, microorganisms and the like, are filtered or adsorbed by a pretreatment filtering system, and heterochrosis and peculiar smell can be removed; softening by using a softener system to remove calcium and magnesium ions in water; the reverse osmosis system is utilized to effectively remove charged ions, inorganic matters, colloidal particles, bacteria, organic substances and the like in the water; after the treatment, the raw water becomes pure water which can be directly used for industrial production, so that the consumption of water resources can be reduced, and the production cost of enterprises can be reduced. More importantly, the softener system is provided with a main softener and a standby softener, the two softeners can be used alternately and maintained in turn, and the efficiency of water treatment is ensured.
Drawings
FIG. 1 is a schematic view of a reverse osmosis water treatment system according to an embodiment of the present application, showing a configuration in a first direction;
FIG. 2 is a schematic view of a reverse osmosis water treatment system according to an embodiment of the present application, showing a structure in a second direction;
FIG. 3 is a schematic diagram of a reverse osmosis system of a reverse osmosis water treatment system according to an embodiment of the present application.
Reference numerals:
1-raw water tank; 2-a pump pressure system; 3-a pre-treatment filtration system; 4-a softener system; 5-a reverse osmosis system; 6-an intermediate water tank; 7-pure water tank; 8-cartridge filter; 9-an electric control box; 31-a mechanical filter; 32-an activated carbon filter; 41-a main softener; 42-standby softener; 51-seamless membrane shell; 52-EDI device.
Detailed Description
As will be appreciated by those skilled in the art, as a matter of background, the use of reverse osmosis water treatment systems by the prior art is generally limited to wastewater discharge standards, but the wastewater discharge standards still contain significant amounts of calcium and magnesium ions, as well as inorganic matter, colloidal particles, bacteria, organic matter, etc., and are not suitable for direct industrial use.
The embodiment of the application provides a reverse osmosis water treatment system, which comprises a raw water tank, a pumping pressure system, a pretreatment filtering system, a softener system, a reverse osmosis system and a pure water tank; the raw water tank is used for storing raw water to be treated; the pumping system is connected with the raw water tank and is used for conveying water in the raw water tank to the pretreatment filtering system; the pretreatment filtering system is connected with the pumping pressure system and is used for filtering or adsorbing impurities in the raw water; the softener system is connected with the pretreatment filtering system and is used for softening the filtered raw water; the softener system comprises a main softener and a standby softener, wherein the main softener and the standby softener are connected in parallel; the reverse osmosis system is connected with the softener system; the pure water tank is connected with the reverse osmosis system.
According to the embodiment of the application, impurities in raw water, including granular impurities, residual chlorine, organic matters, microorganisms and the like, are filtered or adsorbed by a pretreatment filtering system, and heterochrosis and peculiar smell can be removed; softening by using a softener system to remove calcium and magnesium ions in water; the reverse osmosis system is utilized to effectively remove charged ions, inorganic matters, colloidal particles, bacteria, organic substances and the like in the water; after the treatment, the raw water becomes pure water which can be directly used for industrial production, so that the consumption of water resources can be reduced, and the production cost of enterprises can be reduced.
And a pretreatment filtering system is arranged in front of the reverse osmosis system, so that residual chlorine and organic matters can be effectively adsorbed, the residual chlorine of effluent is less than or equal to 0.1mg/L, SDI is less than or equal to 4, and the water supply requirement of the reverse osmosis system is met.
More importantly, the softener system is provided with a main softener and a standby softener, the two softeners can be used alternately and maintained in turn, and the efficiency of water treatment is ensured.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
FIG. 1 is a schematic view of a reverse osmosis water treatment system according to an embodiment of the present application, showing a configuration in a first direction; FIG. 2 is a schematic view of a reverse osmosis water treatment system according to an embodiment of the present application, showing a structure in a second direction; FIG. 3 is a schematic diagram of a reverse osmosis system of a reverse osmosis water treatment system according to an embodiment of the present application.
As shown in fig. 1 to 3, a reverse osmosis water treatment system according to an embodiment of the present invention includes a raw water tank 1, a pumping system 2, a pre-treatment filtering system 3, a softener system 4, a reverse osmosis system 5, an intermediate water tank 6, a pure water tank 7, a cartridge filter 8, and an electric control box 9.
The raw water tank 1 stores the raw water of the system, plays a role in adjusting the pressure and the flow rate of the inlet water, and simultaneously avoids the impact on the preprocessor.
And the pumping system 2 is connected with the raw water tank 1, so that sufficient pressure and water quantity are provided for the operation of later-stage equipment, and sufficient water flow is provided for backwashing the pretreatment filtering system 3. Further, the raw water tank 1 is controlled to have a low level, so that it can be prevented from running idle due to lack of water.
The pretreatment filtering system 3 is connected with the pumping system 2, and the pretreatment filtering system 3 specifically comprises a mechanical filter 31 (i.e. a quartz stone filter) and an activated carbon filter 32.
The mechanical filter 31 is connected with the pumping pressure system 2, the mechanical filter 31 is an important pretreatment device of the system, refined quartz sand is used as a filter material, the function of the mechanical filter is to filter out fine particles, suspended matters, colloid and other impurities brought by raw water, the quality of produced water is ensured to meet the requirement of the inflow water quality of a subsequent treatment device, and the suspended matters in the outflow water quality are less than 5 mg/L.
The activated carbon filter 32 is connected to the mechanical filter 31, and the activated carbon filter 32 adsorbs residual chlorine, abnormal colors, odors, organic substances, microorganisms, and the like in water by using activated carbon having a very strong adsorption and filtration performance. More importantly, the activated carbon can effectively adsorb residual chlorine and organic matters, so that the residual chlorine of effluent is less than or equal to 0.1mg/L, SDI is less than or equal to 4, and the water supply requirement of a reverse osmosis membrane which is very sensitive to the residual chlorine and the organic matters is met.
The activated carbon filter 32 is provided with a forward filtering pipe system and a reverse cleaning pipe system, and can automatically perform forward and reverse washing under the control of an automatic operation valve set so as to wash away dirt on the surface of the activated carbon filter, prevent the activated carbon filter from being blocked and recover the filtering capacity of the activated carbon filter.
In some embodiments, a reverse osmosis water treatment system further comprises a pasteurization system coupled to carbon filter 32. The double-tube plate heat exchanger of the pasteurization system has the advantages of no dead angle, no cross contamination, high heat exchange efficiency and the like, and regularly pasteurizes the activated carbon filter 32 according to the requirements of pharmacopoeia to prevent bacteria from breeding.
Specifically, the mechanical filter 31 and the activated carbon filter 32 can be automatically switched by the automatic operation valve group, so that the operations of full-automatic operation, backwashing, forward washing and the like of the filters can be realized. The head loss will increase with the continued accumulation of impurities in the packing layer. When the head loss reaches a certain set limit (when the pressure difference of the inlet and outlet water of the filter is increased by 0.07MPa compared with the pressure difference of the inlet and outlet water of the filter when the filter starts to operate), the system is switched to a backwashing state to clean accumulated impurities, and the quartz sand and the active carbon are prevented from being hardened and forming blocks due to long-time operation. Compressed air can be introduced during backwashing to enhance the backwashing effect.
The softener system 4 and the softener system 4 are connected with the pretreatment filtering system 3 and are used for softening the filtered raw water. The softener is a sodium ion exchanger and consists of a container for containing resin, the resin, a valve or a regulator and a control system. An ion exchanger for removing calcium and magnesium ions in water to prepare softened water.
In particular, the softener system 4 comprises a main softener 41 and a standby softener 42, said main softener 41 and standby softener 42 being connected in parallel.
A reverse osmosis system 5, the reverse osmosis system 5 being connected to the softener system 4.
Pure water and solute-containing solution are separated by a semipermeable membrane through which only water passes, and at this time, water on the pure water side spontaneously permeates through the semipermeable membrane and enters the solution side, and the water level on the solution side rises, which is referred to as osmosis. When the liquid level rises to a certain height, the pressures on both sides of the membrane are balanced, and the liquid level on the solution side does not rise any more, at which time there is a pressure difference, called osmotic pressure, between both sides of the membrane. If a pressure greater than the osmotic pressure is applied to the solution side, water molecules in the solution are pushed to the pure water side, a process opposite to osmosis, which is called reverse osmosis. From the process of reverse osmosis, it is seen that due to the pressure, water molecules in the solution enter the pure water, the amount of pure water increases, and the solution itself is concentrated.
The reverse osmosis system 5 can effectively remove charged ions, inorganic substances, colloidal particles, bacteria, organic substances and the like in water, thereby achieving the purpose of producing pure water.
In the present embodiment, the reverse osmosis system 5 comprises a multi-stage seamless membrane shell 51 and an EDI device 52, the softener system 4 is connected with the seamless membrane shell 51, the seamless membrane shell 51 is connected with the EDI device 52, and the EDI device 52 is connected with the pure water tank 7.
The seamless membrane shell 51 is internally provided with a semipermeable membrane, the EDI device 52 combines electrodialysis and ion exchange technologies, high voltage of electrodes at two ends is utilized to move charged ions in water, and ion exchange resin and a selective resin membrane are matched to accelerate the removal of the ions, so that the aim of water purification is fulfilled.
In some embodiments, a reverse osmosis water treatment system further comprises an RO cleaning device connected to the reverse osmosis system 5 for cleaning the reverse osmosis system 5.
The reverse osmosis membrane element is a deep filtration means, and the surface of the membrane element inevitably contains residual colloids, microorganisms, foreign particles, and insoluble salts. In this embodiment, adopt RO belt cleaning device to wash reverse osmosis system 5, RO belt cleaning device is including wasing pipeline, convenient to detach's sealing joint etc. dismantled that water tank, washing water pump and RO device are connected.
The middle water tank 6 is connected with the seamless membrane shell 51, the middle water tank 6 is connected with the EDI device 52, the EDI device 52 is connected with the pure water tank 7, and the middle water tank 6 plays a role in buffering.
The pure water tank 7, the pure water tank 7 is connected with the reverse osmosis system 5.
In some embodiments, the reverse osmosis water treatment system further comprises a purified water pump connected to the purified water tank 7 and an inverter connected to the purified water pump. The purification water pump adopts a sanitary pure water pump, has no dead angle, is controlled by frequency conversion, is linked with a flow meter, and conveys water for a terminal water point.
A cartridge filter 8, said cartridge filter 8 being located between the softener system 4 and the reverse osmosis system 5. The security filter 8 can prevent foreign particles and the like from entering and damaging the reverse osmosis membrane. The security filter 8 adopts an external loose and internal tight PP filter element (with a framework and good strength), water is filtered from outside to inside, the time for the filter element to be blocked can be prolonged, and the sludge on the surface of the filter element can be washed away by washing with tap water, so that the service life of the filter element is prolonged.
The electric control box 9, the mechanical filter 31, the activated carbon filter 32, the reverse osmosis system 5 and the softener system 4 are all provided with a control valve group, and the electric control box 9 is connected with the control valve group and used for automatically switching the operation valve group to realize full-automatic operation; in addition, the electric control box 9 is also connected with a purified water pump and a frequency converter so as to convey water to a terminal water consumption point as required; the electrical control box 9 is also connected to the softener system 4 to control the switching action between the main softener 41 and the standby softener 42.
Although the present application is disclosed above, the present application is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present disclosure, and it is intended that the scope of the present disclosure be defined by the appended claims.
Claims (8)
1. A reverse osmosis water treatment system comprising:
the raw water tank is used for storing raw water to be treated;
the system comprises a pump pressure system, a raw water tank, a pretreatment filter system and a water storage system, wherein the pump pressure system is connected with the raw water tank and is used for conveying water in the raw water tank to the pretreatment filter system;
the pretreatment filtering system is connected with the pumping pressure system and is used for filtering or adsorbing impurities in raw water;
the softener system is connected with the pretreatment filtering system and is used for softening the filtered raw water; the softener system comprises a main softener and a standby softener, wherein the main softener and the standby softener are connected in parallel;
a reverse osmosis system connected to the softener system;
the pure water tank is connected with the reverse osmosis system.
2. The reverse osmosis water treatment system according to claim 1, wherein the pretreatment filtration system comprises a mechanical filter and an activated carbon filter, the pumping system is connected to the mechanical filter, the mechanical filter is connected to the activated carbon filter, and the activated carbon filter is connected to the softener system.
3. The reverse osmosis water treatment system of claim 2, further comprising a pasteurization system coupled to the activated carbon filter.
4. The reverse osmosis water treatment system according to claim 1, further comprising an RO cleaning device connected to the reverse osmosis system for cleaning the reverse osmosis system.
5. The reverse osmosis water treatment system according to claim 1, wherein the reverse osmosis system comprises a multi-stage seamless membrane shell having a semi-permeable membrane disposed therein, and an EDI device connected to the softener system and the seamless membrane shell, and wherein the EDI device is connected to the pure water tank.
6. The reverse osmosis water treatment system of claim 5, further comprising an intermediate tank, wherein the seamless membrane shell is connected to the intermediate tank, wherein the intermediate tank is connected to an EDI device, and wherein the EDI device is connected to a plain water tank.
7. The reverse osmosis water treatment system according to claim 1, further comprising a purified water pump and an inverter, wherein the purified water pump is connected to the purified water tank, and the inverter is connected to the purified water pump.
8. The reverse osmosis water treatment system of claim 1, further comprising a cartridge filter positioned between the softener system and the reverse osmosis system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020753790.1U CN212246590U (en) | 2020-05-09 | 2020-05-09 | Reverse osmosis water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020753790.1U CN212246590U (en) | 2020-05-09 | 2020-05-09 | Reverse osmosis water treatment system |
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| CN212246590U true CN212246590U (en) | 2020-12-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392930A (en) * | 2020-05-09 | 2020-07-10 | 温州恒通水处理设备有限公司 | Reverse osmosis water treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392930A (en) * | 2020-05-09 | 2020-07-10 | 温州恒通水处理设备有限公司 | Reverse osmosis water treatment system |
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