CN216639174U - Direct drinking water purification device - Google Patents
Direct drinking water purification device Download PDFInfo
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- CN216639174U CN216639174U CN202123434957.1U CN202123434957U CN216639174U CN 216639174 U CN216639174 U CN 216639174U CN 202123434957 U CN202123434957 U CN 202123434957U CN 216639174 U CN216639174 U CN 216639174U
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Abstract
The application discloses straight drinking water purifier, straight drinking water purifier includes into water unit, preprocessing unit, filter unit and play water unit, filter unit is including the milipore filter subassembly that is connected and receive the membrane component, and set up in ozone generator and the micro-nano bubble generator between milipore filter subassembly and the nanofiltration membrane subassembly, the milipore filter subassembly with preprocessing unit's output is connected, ozone generator passes through micro-nano bubble generator with receive the membrane component and be connected, in order micro-nano bubble generator will ozone that ozone generator produced turns into behind the micro-nano bubble, it is right soluble macromolecule organic matter among the nanofiltration membrane subassembly degrades. The method can effectively reduce membrane pollution in the nanofiltration membrane component and improve the utilization rate of ozone so as to reduce the purification cost and improve the purification efficiency.
Description
Technical Field
The application relates to the technical field of water treatment equipment, in particular to a direct drinking water purification device.
Background
Along with the improvement of the living standard of people, the demand of high-quality drinking water is increased sharply, and at the present stage, tap water in China mostly adopts the traditional treatment mode of coagulating sedimentation, filtering and disinfection. The main purpose of this treatment method is to treat the sensory pollution and pathogenic microorganism such as turbidity, colloid, etc. in water, so as to improve the water quality and appearance of water and avoid the transmission of water quality infectious disease. Although the water obtained by the treatment method can reach the sanitary standard of drinking water, the requirement of removing pollutants such as microorganisms, trace organic matters and the like cannot be effectively met.
Under the traditional treatment mode, the ozone oxidation and nanofiltration membrane treatment technology is widely applied to advanced treatment of domestic drinking water, wherein the nanofiltration membrane has higher removal effect on disinfection byproducts such as organic pollutants, trihalomethanes and the like in water under the operation pressure of 0.35-1MPa, and can selectively remove part of divalent ion Ca2+、Mg2+And monovalent ions, and the like. The ozone pre-oxidation can decompose macromolecular soluble organic matters which are easy to cause membrane pollution in water into micromolecular organic matters, and reduce scaling blockage caused by the micromolecular organic matters on the surface of the nanofiltration membrane.
However, the utilization rate of ozone in the prior ozone pre-oxidation is low, and residual ozone can damage the surface of the nanofiltration membrane and influence the working efficiency of the nanofiltration membrane. Meanwhile, along with the deterioration of underground water quality, the organic matter content is increased, so that the membrane pollution of the conventional nanofiltration membrane device is serious, the cleaning frequency is greatly increased, the irreversible membrane pollution effect is more serious, the treatment cost of the nanofiltration membrane is greatly increased, and the popularization of the nanofiltration membrane treatment technology and the operation efficiency of the nanofiltration membrane device are influenced.
It can thus be seen that the prior art is subject to further improvement and advancement.
SUMMERY OF THE UTILITY MODEL
The application provides a straight drink water purification installation to solve at least one technical problem among the above-mentioned technical problem.
The technical scheme adopted by the application is as follows:
the application provides a direct drinking water purification device, which comprises a water inlet unit, a pretreatment unit, a filtering unit and a water outlet unit, wherein the filtering unit comprises an ultrafiltration membrane component and a nanofiltration membrane component which are connected, and an ozone generator and a micro-nano bubble generator which are arranged between the ultrafiltration membrane component and the nanofiltration membrane component; the ultrafiltration membrane component is connected with the output end of the pretreatment unit, the ozone generator is connected with the nanofiltration membrane component through the micro-nano bubble generator, so that after the micro-nano bubble generator converts ozone generated by the ozone generator into micro-nano bubbles, soluble organic matters in the nanofiltration membrane component are degraded.
As a preferred embodiment of the present invention, the filtration unit includes a plurality of the nanofiltration membrane modules and a plurality of the ultrafiltration membrane modules which are perpendicular to the ground and parallel to each other.
In a preferred embodiment of the present invention, the filtration unit further includes a first pressure pump connected to the ultrafiltration membrane module, and a second pressure pump connected to the nanofiltration membrane module, and the pressure of the first pressure pump is lower than the pressure of the second pressure pump.
As a preferred embodiment of the present invention, the filtering unit further includes an air compressor, an air storage tank and an air dryer, which are connected in sequence, and an output end of the air dryer is connected to an input end of the ozone generator.
As a preferred embodiment of the present invention, the pretreatment unit includes a multimedia filter, a resin softener and a precision filter connected in sequence to achieve multi-stage pretreatment of the water inlet unit by the pretreatment unit.
As a preferred embodiment of the present invention, the direct drinking water purification apparatus further comprises a water storage unit and a drug washing unit, wherein an output end of the nanofiltration membrane module is connected with an input end of the water storage unit, and the drug washing unit is arranged between the nanofiltration membrane module and the water storage unit.
As a preferred embodiment of the present invention, the water storage unit includes a water tank and a third pressure pump for delivering purified water in the water tank to the micro-nano bubble generator, and the chemical washing unit includes a chemical washing device and a fourth pressure pump for delivering chemical water in the chemical washing device to the nano-filtration membrane module for washing.
As a preferred embodiment of the present invention, the water inlet unit includes a water inlet quality monitor sequentially connected to the filter unit, and the water outlet unit includes a water outlet quality monitor sequentially connected to the water tank.
As a preferred embodiment of the present invention, the direct drinking water purification apparatus further comprises an ultraviolet irradiation lamp for sterilization, which is disposed between the nanofiltration membrane module and the water tank.
As a preferred embodiment of the present invention, the direct drinking water purification apparatus further comprises a control box, and the control box is respectively connected to the water inlet unit, the pretreatment unit, the filtration unit, the water outlet unit, the water storage unit and the drug washing unit.
Due to the adoption of the technical scheme, the technical effects obtained by the application are as follows:
1. the application provides a pair of direct drinking water purifier, the filter unit includes interconnect's milipore filter subassembly and receives the filter membrane subassembly, and, receive the filter membrane subassembly with be provided with between the milipore filter subassembly ozone generator with micro-nano bubble generator is right through micro-nano bubble generator ozone gas that ozone generator input turns into ozone micro-nano bubble, it is right to receive soluble organic matter in the filter membrane subassembly dissolves, and, ozone micro-nano bubble has increase ozone area of contact, improves the characteristics of ozone reaction speed, when can making ozone micro-nano bubble and soluble organic matter fast reaction, it is right to reduce the ozone residue receive the filter membrane subassembly and cause the harm to this reduces the membrane pollution who receives in the filter membrane subassembly, and simultaneously, ozone generator can adjust the input of ozone, and rethread micro-nano bubble generator changes ozone into micro-nano bubble, can improve the utilization rate of ozone, reduce the purification cost and improve the purification efficiency.
2. In a preferred embodiment of the present application, the filtration unit comprises a plurality of ultrafiltration membrane modules and nanofiltration membrane modules, and the plurality of ultrafiltration membrane components and the plurality of nanofiltration membrane components are perpendicular to the ground and are parallel to each other, the arrangement perpendicular to the ground can reduce the occupied area and save land resources, in addition, the water delivery distance between the nanofiltration membrane components and the ultrafiltration membrane components can be maintained within a certain range by adjusting the length of a conveying pipeline for connecting the nanofiltration membrane components and the ultrafiltration membrane components, therefore, in the process of conveying water from the ultrafiltration membrane component to the nanofiltration membrane component, the conveying stability can be ensured, the influence of a conveying pipeline on the water quality can be reduced to a certain degree, and especially, the influence of impurities or pollutants possibly occurring in the conveying pipeline on the water quality is reduced in the long-term operation process of the direct drinking water purification device; thereby indirectly reducing the possibility of membrane pollution of the nanofiltration membrane component and improving the purification efficiency and the purification quality of the direct drinking water purification device.
3. As a preferred embodiment of this application, the milipore filter subassembly with the nanofiltration membrane subassembly is connected with first force (forcing) pump and second force (forcing) pump to, because the operating pressure of milipore filter and nanofiltration membrane is different, set up the pressure of first force (forcing) pump and be less than the second force (forcing) pump to make the inflow reach the operating pressure of milipore filter subassembly and nanofiltration membrane subassembly, can prevent to lead to the unable stable work of filter unit because the pressure of intaking can't reach the operating pressure of milipore filter subassembly and nanofiltration membrane subassembly.
4. As a preferred embodiment of the present application, a pretreatment unit is arranged in front of the filtration unit, so that the water inlet unit can be subjected to multistage pretreatment, silt and particles in the inlet water are filtered, the water quality is softened, and the pollution to an ultrafiltration membrane component and a nanofiltration membrane component can be reduced; meanwhile, the air dryer is arranged in front of the ozone generator and can dry moisture remaining in the gas, so that the influence of the moisture on ozone generated in the ozone generator is reduced, and the pollution and damage of the remaining moisture to equipment can be prevented.
5. As a preferred embodiment of the present application, the direct drinking water purification device further comprises a water storage unit and a drug washing unit, the water outlet unit comprises a water tank and a third pressure pump, the input end of the water storage unit is connected with the output end of the nanofiltration membrane module, so as to temporarily store the purified water generated by the filtration unit, and the third pressure pump supplies water to the micro-nano bubble generator, so that the secondary pollution caused by secondary water addition can be reduced while water resources are saved; the unit is washed including medicine washing equipment and fourth force (forcing) pump to medicine, medicine wash equipment set up in the water tank with between the nanofiltration membrane module, can be with mixing during liquid medicine input nanofiltration membrane module through the fourth force (forcing) pump, can wash the emergence of membrane pollution reduction to the residual impurity that receives on the nanofiltration membrane.
6. As a preferred embodiment of this application, the unit of intaking with the unit of going out is provided with water quality monitoring instrument of intaking and goes out water quality monitoring instrument respectively, water quality monitoring instrument of intaking can detect the quality of water of intaking, when the quality of water pollution degree of intaking is too high, can come artificial or self-closing water intake unit through reporting to the police, the reduction causes the damage to equipment because of the water pollution is too serious into water, water quality monitoring instrument of going out detects the water purification of output, after detecting straight drinking water and reaching the purification requirement, can carry to the drinking water pipe network through the water delivery passageway, such as school, residential building etc..
7. As an preferred embodiment of this application, directly drink water purification installation still includes the ultraviolet radiation lamp, the ultraviolet radiation lamp set up in nanofiltration membrane subassembly with between the water tank to this goes out the water to the nanofiltration membrane and disinfects, makes the further purification of the water purification that gets into the water tank and store, can further improve the quality of play water.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a direct drinking water purification device provided by an embodiment of the application.
Reference numerals:
100 water inlet units and 101 water inlet quality monitors;
200 pretreatment unit, 201 multi-medium filter, 202 resin softener, 203 precision filter;
300, a filtration unit, 310, an ultrafiltration membrane module, 311, an ultrafiltration membrane housing, 312, 313, a first pressure pump, 320, a nanofiltration membrane module, 321, a nanofiltration membrane housing, 322, a 323, a second pressure pump, 331, a micro-nano bubble generator, 332, an ozone generator, 333, an air dryer, 334, an air storage tank, 335;
a 400 water outlet unit and a 401 water outlet quality monitor;
a water tank 501, a drug washing device 502, an ultraviolet irradiation lamp 503 and a third pressurizing pump 504;
601 dense water pipe, 602 fast discharging pipe.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present application and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present application.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1, the present invention provides a direct drinking water purification apparatus, which includes a water inlet unit 100, a pretreatment unit 200, a filtration unit 300 and a water outlet unit 400, wherein the filtration unit 300 includes an ultrafiltration membrane assembly 310 and a nanofiltration membrane assembly 320, which are connected in sequence, and an ozone generator 332 and a micro-nano bubble generator 331, which are arranged between the ultrafiltration membrane assembly 310 and the nanofiltration membrane assembly 320; the output end of the pretreatment unit 200 is connected to the input end of the ultrafiltration membrane assembly 310, the ozone generator 332 and the micro-nano bubble generator 331 are connected to each other, and the output end of the micro-nano bubble generator 331 is connected to the input end of the nanofiltration membrane assembly 320.
The ozone generator 332 can adjust the adding amount of ozone gas, the micro-nano bubble generator 331 can convert the ozone gas into ozone micro-nano bubbles, the micro-nano bubbles can increase the surface contact area of the ozone and accelerate the reaction speed of the ozone, so that the utilization rate of the ozone is improved, the ozone is degraded on soluble organic matters in the nanofiltration membrane assembly 320, the damage of residual ozone on the nanofiltration membrane assembly 320 is reduced, and the occurrence of membrane pollution is greatly reduced.
As a preferred embodiment of this embodiment, the filter unit 300 may include a plurality of nanofiltration membrane assemblies 320 and a plurality of nanofiltration membrane assemblies 310, specifically, the number of the ultrafiltration membrane assemblies 310 and the nanofiltration membrane assemblies 320 depends on the occupied area of the direct drinking water purifying device and the purified water quality; the ultrafiltration membrane component 310 and the nanofiltration membrane component 320 are arranged perpendicular to the ground and are parallel to each other, the arrangement perpendicular to the ground can save floor space, and secondly, the distance between the nanofiltration membrane component 320 and the ultrafiltration membrane component 310 is maintained within a certain range by adjusting the length of a conveying pipeline which is arranged between the ultrafiltration membrane component 310 and the nanofiltration membrane component 320 and is connected with each other, so that the conveying between the ultrafiltration membrane component and the ultrafiltration membrane component is more stable, and in the long-term operation process of the direct drinking water purification device, the influence of the conveying pipeline on the water quality can be reduced, the water quality is improved, the possibility of membrane pollution of the nanofiltration membrane component 320 is reduced, and the purification efficiency of the direct drinking water purification device and the quality of purified water are improved.
The ultrafiltration membrane component 310 comprises an ultrafiltration membrane housing 311 and an ultrafiltration membrane 312 arranged on the ultrafiltration membrane housing 311, the nanofiltration membrane component 320 comprises a nanofiltration membrane housing 321 and a nanofiltration membrane 322 arranged on the nanofiltration membrane housing 321, the ultrafiltration membrane housing 311 and the nanofiltration membrane housing 321 can protect the nanofiltration membrane 322 and the ultrafiltration membrane 312, and meanwhile, sufficient reaction space is provided for the ultrafiltration membrane 312 and the nanofiltration membrane 322.
Optionally, milipore filter 312 with nanofiltration membrane 322 can choose formula of book milipore filter and formula of book nanofiltration membrane for use, formula of book nanofiltration membrane with the space that formula of book milipore filter occupied is little, and secondly, can have many in formula of book milipore filter and the formula of book milipore filter 312 with nanofiltration membrane 322 can reach better filtration purification effect, simultaneously, formula of book nanofiltration membrane has higher density and less pressure demand to be convenient for change, can improve purifier's work efficiency greatly.
Optionally, the ultrafiltration membrane housing 311 and the nanofiltration membrane housing 321 may adopt cylindrical housings matched with the rolled ultrafiltration membrane and the rolled nanofiltration membrane, specifically, the materials may be glass fiber reinforced plastics or food grade 304 stainless steel, which has high corrosion resistance, reduces pollution and influence of the housing materials on water, and protects the ultrafiltration membrane 312 and the nanofiltration membrane 322 in the housing.
Preferably, the filtration unit 300 further comprises a first pressure pump 313 connected to the ultrafiltration membrane module 310 and a second pressure pump 323 connected to the nanofiltration membrane module 320, wherein the pressure of the first pressure pump 313 is set to be lower than the pressure of the second pressure pump 323, since the operating pressure of the ultrafiltration membrane 312 is lower than the operating pressure of the nanofiltration membrane 322, in this embodiment, the operating pressure of the ultrafiltration membrane 312 may be 0.2MPa, and the operating pressure of the nanofiltration membrane 322 may be 0.5 MPa.
Optionally, the filtering unit 300 further includes an air compressor 335, an air storage tank 334 and an air dryer 333, which are connected in sequence, the air dryer 333 may dry moisture in the gas provided by the air compressor 335, an output end of the air dryer 333 is connected to an input end of the ozone generator 332, which may prevent residual moisture in the gas from damaging the equipment, and at the same time, may prevent the generated gas from reacting with moisture and affecting the subsequent working efficiency of the ozone generator 332 for generating ozone.
The ozone generator 332 can control the content of the added oxygen, in order to reduce the damage of the residual ozone to the nanofiltration membrane 322, the present embodiment determines that the optimal dosage can be 5-7mg/L, so that the ozone can be converted into micro-nano bubbles of 50 μm under the action of the micro-nano bubble generator 331, the micro-nano bubbles can be consumed by reacting with soluble organic matters in water in time, meanwhile, the damage of the residual ozone to the nanofiltration membrane 322 can be reduced, while the membrane pollution is reduced, the ozone plays the greatest role, and the utilization rate of the ozone is improved, in the present embodiment, the reaction time of the ozone can be 20 s.
Preferably, the pretreatment unit 200 comprises a multimedia filter 201, a resin softener 202 and a precision filter 203 which are connected in sequence, so as to realize multi-stage pretreatment of the water inlet unit 100.
The filter material in the multi-media filter 201 may be quartz sand, anthracite, activated carbon, magnetite, garnet, porous ceramic, plastic balls, etc., so as to remove impurities such as silt, suspended matters, colloid, etc., and organisms such as algae, etc., in water, and reduce mechanical damage and pollution to the filter unit 300; the filling resin in the resin softener 202 adopts vinyl resin or m-benzene resin and the like, so that the resin adsorbs calcium and magnesium ions (main components forming scale) in water, the hardness of the inlet water is reduced, and the effect of softening water is achieved, so that the pollution of a nanofiltration membrane is relieved; the precision filter 203, also called as a safety filter, is internally provided with a wire-wound filter element, a PP melt-blown filter element, a folded filter element, a large-flow filter element, an activated carbon filter element and the like, so that small particle impurities of 1-5 μm remaining in water can be removed after the multi-media filter 201 and the resin filter 202 are filtered, and the quality of the pretreated water is further improved.
Optionally, the housings of the multimedia filter 201, the resin softener 202 and the fine filter 203 may be made of food grade 304 stainless steel for protection and reduction of contamination and corrosion.
Preferably, the drinking-water purification device further comprises a water storage unit (not marked in the figure), the water storage unit comprises a water tank 501 and a third pressurizing pump 504, and the input end of the water tank 501 is connected to the output end of the nanofiltration membrane module 320.
In addition, straight drinking water purifier still includes that the medicine washes the unit (not marked in the figure), the unit is washed including medicine washing equipment 502 and fourth force (forcing) pump (not shown in the figure) to the medicine, medicine washing equipment 502 set up in the water tank 501 with receive between the filter membrane subassembly 320.
Wherein, the material of water tank 501 can select food level 304 stainless steel for use, it is right to receive the water purification that filter membrane assembly 320 filters and obtain temporarily to store, third force (forcing) pump 504 can with the water purification in the water tank 501 is carried to micro-nano bubble generator, both can realize the maximum utilization of water purification, saves the resource, can avoid again with the outside water of purifier carry to the washing equipment 502 with the secondary pollution that micro-nano bubble generator 331 caused.
Optionally, a water full detection device can be arranged in the water tank 501, when water in the water tank 501 is stored to a certain amount, the water is automatically conveyed outwards, for example, conveyed to schools, communities, office buildings and the like, and pollution caused by overlong water storage time and waste of water resources can be reduced.
In addition, the pure water conveyed in the water tank 501 is used by the drug washing device 502, and is combined with the chemical agent in the drug washing device 502, the adopted chemical agent can be sodium hydroxide NaOH or hydrogen chloride HCL, and the concentration can be 1mol/L, and the chemical agent is conveyed to the nanofiltration membrane assembly 320 through a fourth pressure pump (in order to flush the impurities remained on the nanofiltration membrane assembly 320) in the drug washing device 502, so as to reduce the membrane pollution of the nanofiltration membrane 322.
Optionally, the output of receiving the filter membrane subassembly can set up dense water pipe 601 and quick-witted 602 of arranging, dense water pipe 601 can discharge the dense water that has impurity after the filter membrane subassembly filters, quick-witted 602 of arranging can wash equipment 502 with the liquid medicine discharge after receiving filter membrane 322, dense water pipe 604 with quick-arranging pipe 602 exhaust water is collected and is sent to sewage treatment plant, reduces the pollution that causes the environment.
Preferably, the water inlet unit 100 with the water outlet unit 400 is including water quality monitoring instrument 101 and play water quality monitoring instrument 401 respectively, water quality monitoring instrument 101 is connected with the input of preprocessing unit 200 of intaking, play water quality monitoring instrument 401 with the output of water tank 501 links to each other to carry out real-time supervision to intaking and going out water, and the monitoring index is dissolubility total solid TDS, flow, pressure, turbidity and conductivity, water quality monitoring instrument 401 is when detecting into water pollution degree when too high, can make the water unit close through manual work or automatic control, can prevent that the too high water of pollution degree from flowing into equipment and causing the harm, and in addition, water quality monitoring instrument can go out water real-time monitoring, and after the water of monitoring does not reach the standard of purification, control the water outlet unit and close, can prevent that the drinking water from endangering the health of drinker.
Secondly, the direct drinking water purification device further comprises an ultraviolet irradiation lamp 503, and the ultraviolet irradiation lamp 503 is arranged between the nanofiltration membrane component 320 and the water tank 501 so as to further sterilize and disinfect the outlet water of the nanofiltration membrane component 320, and further improve the water quality.
Preferably, water purification installation is directly drunk still includes the control box (not shown in the figure), and is optional, the control box respectively with intake unit 100 pretreatment unit 200 filtration unit 300 go out water unit 400 water storage unit (not marked in the figure) with the unit is washed to medicine (not marked in the figure) is connected, can control through adjusting the control box intake unit 100 pretreatment unit 200 filtration unit 300 water unit 400 water storage unit (not marked in the figure) with the unit is washed to medicine (not marked in the figure) automatic operation, makes the water purification operation go on automatically, liberates the manpower, improves work efficiency.
Furthermore, the first pressure pump 313, the second pressure pump 323, the third pressure pump 504 and the fourth pressure pump (not shown in the figure) may be provided with pressure gauges (not shown in the figure), which may facilitate observation of the pressure of each pressure pump, thereby reducing equipment failure caused by pressure problems.
In addition, among the direct drinking water purification device, the unit of intaking 100 pretreatment unit 200 the filter unit 300 go out water unit 400 water storage unit (not marked in the figure) and can adopt water delivery passageway (not marked in the figure) to connect and the transmission of water between the unit (not marked in the figure) is washed to the medicine, carry out on-off control through valve (not marked in the figure) to each unit and subassembly, optionally, water delivery passageway can select thin wall stainless steel pipe, thin wall copper pipe, high-quality plastic tubing etc. that accord with food grade sanitary requirement to set up the sealing member in the junction of each pipeline and each unit, with this leakage that can prevent water, the valve can by control box control, the staff of being convenient for operates.
Where not mentioned in this application, can be accomplished using or referencing existing technology.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A direct drinking water purification device comprises a water inlet unit, a pretreatment unit, a filtration unit and a water outlet unit, and is characterized in that the filtration unit comprises an ultrafiltration membrane component and a nanofiltration membrane component which are connected, and an ozone generator and a micro-nano bubble generator which are arranged between the ultrafiltration membrane component and the nanofiltration membrane component;
the ultrafiltration membrane component is connected with the output end of the pretreatment unit, the ozone generator is connected with the nanofiltration membrane component through the micro-nano bubble generator, so that after the micro-nano bubble generator converts ozone generated by the ozone generator into micro-nano bubbles, soluble organic matters in the nanofiltration membrane component are degraded.
2. The direct drinking water purification device according to claim 1, wherein the filtration unit comprises a plurality of nanofiltration membrane modules and a plurality of ultrafiltration membrane modules which are vertical to the ground and parallel to each other.
3. The direct drinking water purification device according to claim 2, wherein the filtration unit further comprises a first pressure pump connected to the ultrafiltration membrane module and a second pressure pump connected to the nanofiltration membrane module, and the pressure of the first pressure pump is lower than the pressure of the second pressure pump.
4. The direct drinking water purification device according to claim 2, wherein the filter unit further comprises an air compressor, an air storage tank and an air dryer connected in sequence, and an output end of the air dryer is connected with an input end of the ozone generator.
5. A direct drinking water purification apparatus as claimed in claim 1, wherein said pretreatment unit comprises a multi-media filter, a resin softener and a precision filter connected in sequence to achieve multi-stage pretreatment of said inlet water unit by said pretreatment unit.
6. The direct drinking water purification device according to claim 1, further comprising a water storage unit and a drug washing unit, wherein the output end of the nanofiltration membrane module is connected with the input end of the water storage unit, and the drug washing unit is disposed between the nanofiltration membrane module and the water storage unit.
7. The direct drinking water purification device according to claim 6, wherein the water storage unit comprises a water tank and a third pressure pump for delivering purified water in the water tank to the micro-nano bubble generator, and the chemical washing unit comprises a chemical washing device and a fourth pressure pump for delivering chemical water in the chemical washing device to the nanofiltration membrane module for washing.
8. The direct drinking water purifying device as claimed in claim 7, wherein the water inlet unit comprises a water inlet quality monitor connected to the input end of the pre-processing unit, and the water outlet unit comprises a water outlet quality monitor sequentially connected to the output end of the water tank.
9. The potable water purification apparatus according to claim 7, further comprising an ultraviolet irradiation lamp for sterilization, wherein the ultraviolet irradiation lamp is disposed between the nanofiltration membrane module and the water tank.
10. The instant drinking water purification device according to any one of claims 6-9, further comprising a control box, wherein the control box is connected to the water inlet unit, the pretreatment unit, the filtration unit, the water outlet unit, the water storage unit and the drug washing unit, respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123434957.1U CN216639174U (en) | 2021-12-30 | 2021-12-30 | Direct drinking water purification device |
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| CN202123434957.1U CN216639174U (en) | 2021-12-30 | 2021-12-30 | Direct drinking water purification device |
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| CN216639174U true CN216639174U (en) | 2022-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116395917A (en) * | 2023-06-08 | 2023-07-07 | 金科环境股份有限公司 | Short-process salt-containing wastewater treatment method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116395917A (en) * | 2023-06-08 | 2023-07-07 | 金科环境股份有限公司 | Short-process salt-containing wastewater treatment method and system |
| CN116395917B (en) * | 2023-06-08 | 2023-10-20 | 金科环境股份有限公司 | Short-process salt-containing wastewater treatment method and system |
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