CN210079273U - Immersed ultrafiltration membrane test device - Google Patents
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- CN210079273U CN210079273U CN201920722339.0U CN201920722339U CN210079273U CN 210079273 U CN210079273 U CN 210079273U CN 201920722339 U CN201920722339 U CN 201920722339U CN 210079273 U CN210079273 U CN 210079273U
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Abstract
The utility model discloses an immersed ultrafiltration membrane test device, which is integrally of a vertical box body structure and is characterized in that the interior of the box body is divided into two independent raw water storage tanks and a produced water storage tank by a partition plate, an immersed membrane pool is arranged in the produced water storage tank, a plurality of groups of immersed ultrafiltration membrane components are placed in the immersed membrane pool, and the bottom of the produced water storage tank is connected with a backwashing port and a sewage draining port; the bottom of the raw water storage tank is provided with a liquid level sensor, a water inlet and a sewage discharge port, the upper part of the raw water storage tank is provided with two overflow ports and a water production port, and the upper part of the water production storage tank is connected with two aeration ports, two water production ports, a vacuumizing port, a water inlet, two overflow ports, a medicine washing backflow port and a vacuumizing port; the upper part of the raw water storage tank is connected with a water inlet and a drug washing backflow port, and the produced water storage tank is connected with a water producing port; all the openings are connected with pipelines through flanges and are connected with corresponding functional accessories. The utility model has the advantages of convenient operation, small volume, low cost and the like.
Description
Technical Field
The utility model relates to a municipal administration water supply treatment technical field, concretely relates to submergence formula milipore filter equipment technical field that tap water treatment used.
Background
The traditional tap water treatment process mostly adopts the processes of coagulation, precipitation, filtration and disinfection, and along with the improvement of the living standard of people, the water quality standard of drinking water is more strict, which can not be achieved by the traditional water treatment mode, therefore, the immersed ultrafiltration membrane tank technology has more advantages in the aspects of pollution resistance, water yield, operation management and investment, and has very good application prospect in the aspect of large-scale water plant construction, for example, the patent application with the patent application number of 2011201149212 named as the immersed ultrafiltration membrane tank and the application date of 20110419 discloses that the immersed ultrafiltration membrane tank consists of a water inlet main channel, at least four groups of water distribution branch channels, at least four groups of membrane tanks, a clean water outlet main channel, a backwashing water tank, a drainage channel, a pipe gallery and an operation layer; the water distribution branch channels are arranged above each group of membrane tanks, water inlet flashboards are arranged between the water inlet main channel and each group of water distribution branch channels, and water distribution weirs are arranged between the water distribution branch channels and the membrane tanks and communicated with the membrane tanks; a plurality of sets of immersed ultrafiltration membrane boxes are arranged in each membrane pool, each membrane box consists of a plurality of membrane components, each membrane component consists of a plurality of membrane filaments, and a water distribution hole is formed in the water inlet part of each membrane pool; the backwashing water tank consists of a blower and a backwashing pump. The ultrafiltration membrane pool has the advantages of providing safe and sanitary high-quality drinking water, having low effluent turbidity and good biological stability when being applied to a tap water plant, but on the basis of the traditional tap water treatment equipment, such as the original internal pressure type ultrafiltration membrane test system and the like, the research on how to transform and install the comprehensive immersed ultrafiltration membrane water treatment system is still worth people.
The patent application with the application number of 201420463644X and the name of 20141203 of the publication date discloses an immersed ultrafiltration membrane device, the immersed ultrafiltration membrane device is integrally made of a steel structure and comprises a box-type ultrafiltration membrane pool, a bucket-type structure water inlet device, an immersed ultrafiltration membrane component and a vacuumizing valve group, and one side of the upper part of the box-type ultrafiltration membrane pool is provided with a membrane pool water outlet and a membrane pool backwashing air inlet; the bucket-shaped structure water inlet device is fixedly connected with the inner wall of the membrane pool, and one side of the lower part of the bucket-shaped structure water inlet device is provided with a membrane pool water inlet and a membrane pool vent; the immersed ultrafiltration membrane component is arranged on the upper part of the box-type ultrafiltration membrane pool, and is provided with a membrane component water outlet and a membrane component air inlet. The device adopts a steel structure type, has simple system, convenient operation, small occupied area, less investment and excellent effluent quality, can meet the sanitary standard for drinking water (GB5749-2006), and is particularly suitable for reconstruction and extension projects of medium and small water works. Even so, the investment production process still needs to be further debugged, so that engineering construction needs to be carried out after a testing device is used for debugging and perfecting the process before the engineering is improved and expanded.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an submergence formula milipore filter test device that the quality of water security of fully ensureing drinking water, be applicable to traditional water works change, expand and be used for the extension engineering in earlier stage technology perfect, can effective reduce cost and cycle for solving prior art not enough.
The utility model discloses an adopt following technical solution to realize above-mentioned purpose:
an immersed type filter membrane test device is characterized in that the immersed type filter membrane test device is integrally of a vertical box body structure made of stainless steel, and is characterized in that the interior of the box body is divided into two independent and mutual spaces through a partition plate, namely a raw water storage tank and a produced water storage tank, an immersed type membrane pool is arranged in the produced water storage tank, a plurality of groups of immersed type filter membrane assemblies are placed in the immersed type membrane pool, and the bottom of the produced water storage tank is connected with a backwashing port N4 and a drain outlet II N5; the bottom of the raw water storage tank is provided with a liquid level sensor N1, a water inlet I N2 and a sewage outlet I N3, the upper part of the raw water storage tank is provided with an overflow port II N11, a water production port II N13 and an overflow port IV 18, and the upper part of the water production storage tank is connected with an aeration port I N6, a water production port I N7, a vacuumizing port I N8, a water inlet II N9, an overflow port I N10, a medicine washing return port I N12, a vacuumizing port II N14, an aeration port II N15, a water production port III N16 and an overflow port III N17; the upper part of the raw water storage tank is connected with a water inlet III N19 and a drug washing return port II N20, and the water production storage tank is connected with a water production port IV N21; all the openings are connected with pipelines through flanges, the vacuumizing port is connected with a vacuum pump, an online pressure sensor is arranged on the pipeline, the medicine washing reflux port is connected with a medicine feeding pump, and the first aeration port N6 is connected with an air blower;
the device is characterized by further comprising a PLC (programmable logic controller), wherein the water inlet pipeline or the water production pipeline is provided with an online flowmeter, the water production water storage tank is further provided with a liquid level meter, and the liquid level meter, the liquid level sensor N1, the online flowmeter and the online pressure sensor are connected with the PLC to realize online monitoring and automatic operation.
As a further explanation of the above scheme, the submerged ultrafiltration membrane modules are in four groups.
Furthermore, the box body is in an inverted L shape, and the overflow port II N11, the water production port II N13, the aeration port I N6, the water production port I N7, the vacuumizing port I N8, the water inlet II N9, the overflow port I N10, the medicine washing return port I N12, the vacuumizing port II N14, the aeration port II N15, the water production port III N16 and the overflow port III N17 are all arranged at the upper part of the inverted L-shaped box body in the downward direction.
Furthermore, a plurality of reinforcing ribs are arranged on the outer surface of the box body.
Furthermore, lifting lugs are arranged at four corners of the top of the box body.
Further, the filtration pore diameter of the immersed ultrafiltration membrane component is 0.01 μm.
Furthermore, a ladder is fixed on one side of the box body.
Further, all the hole size tolerances are +/-0.1, and the rest size tolerances are +/-1.
Further, the thickness of the bottom plate was 8mm, and the remaining thickness was 5 mm.
The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:
adopt above-mentioned structure the utility model discloses submergence formula filter membrane test device has smallly, and convenient advantage is removed in the installation, can effectively study embrane method safety guarantee drinking water technique and application feasibility.
The utility model discloses an one set of submergence formula milipore filter test system of installation surveys the play water quality of water security and the operating stability of submergence formula milipore filter, provides more reasonable solution for the project transformation of running water to effectively reduce the project and reform transform the perfect of cost and technology.
Drawings
FIG. 1 is a schematic structural diagram of a box body of the submerged ultrafiltration membrane test device of the utility model;
FIG. 2 is a schematic diagram of a lateral structure of a box body of the submerged ultrafiltration membrane test device of the present invention;
FIG. 3 is a schematic diagram of a forward structure of a box body of the submerged ultrafiltration membrane test device of the present invention;
FIG. 4 is a schematic sectional view A-A of FIG. 3;
FIG. 5 is a schematic sectional view of the structure of B-B in FIG. 2;
FIG. 6 is a schematic view of the K-direction structure of FIG. 3;
fig. 7 is a schematic top view of fig. 3.
Description of reference numerals: n1, a liquid level sensor, N2, a first water inlet, N3, a first sewage discharge outlet, N4, a backwashing port, N5, a second sewage discharge outlet, N6, a first aeration port, N7, a water production port, N8, a vacuumizing port, N9, a second water inlet, N10, a first overflow port, N11, a second overflow port, N12, a first medicine washing return port, N13, a water production port, N14, a second vacuumizing port, N15, a second aeration port, N16, a water production port, N17, a third overflow port, N18, a fourth overflow port, N19, a third water inlet, N20, a second medicine washing return port, N21, a fourth water production port, 22, a box body, 221, a raw water tank, a 222, a water production water storage tank, 223, a lifting lug, 224, 225 and reinforcing ribs.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following describes embodiments of the present invention with reference to the drawings.
The utility model discloses an submergence formula milipore filter test device, it wholly is the vertical box structure of compriseing stainless steel, whole shape is "┍" shape structure, box 22's inside is separated into two mutually independent spaces through the baffle, be raw water storage box 221 and product water storage box 222 respectively, be provided with the submergence formula membrane pond among the product water storage box 222, be used for placing of submergence formula milipore filter subassembly, multiunit submergence formula milipore filter subassembly sets up in the product water storage box 222 of vertical box, this embodiment adopts 4 groups, this embodiment adopts the left side to be raw water storage box 221, the right side is product water storage box 222, product water storage box 222 is used for storing the ultrafiltration product water to the test in-process, be used for carrying out the backwash to the membrane, be provided with level sensor N1 on the left raw water storage box bottom box in box 22 bottom, water inlet N2 and drain N3, product water storage box bottom box on bottom right side is connected with backwash mouth N4, the water storage box bottom, A second sewage draining outlet N5, wherein the upper part of the box body is connected with a first aeration port N6, a first water producing port N7, a first vacuumizing port N8, a second water inlet N9, a first overflow port N10, a second overflow port N11, a first medicine washing return port N12, a second water producing port N13, a second vacuumizing port N14, a second aeration port N15, a third water producing port N16, a third overflow port N17 and a fourth overflow port N18 in the downward direction; the overflow port II N11, the water production port II N13 and the overflow port IV N18 are connected with a raw water storage tank, the rest are connected with a water production storage tank, the top of the tank body is connected with a water inlet III N19, a drug washing return port II N20 and a water production port IV N21, the water production port IV N21 is connected with the water production storage tank, and the water inlet III N19 and the drug washing return port II N20 are connected with the raw water storage tank; the openings of the utility model are all connected with corresponding functional equipment, if the vacuumizing port is connected with a vacuum pump through a pipeline to remove gas accumulated in a membrane water outlet pipe, the sucking pump mainly acts to provide sucking power; the drug washing reflux port is connected with a drug feeding pump through a pipeline, and the drug feeding pump is mainly used for feeding chemical agents into the membrane component during maintenance chemical washing; the first aeration port N6 is connected with an air blower, and the air blower adopts air-water backwashing in the operation of the immersed membrane to provide an air source; the backwashing pump is mainly used for periodically backwashing the immersed membrane group; the air compressor is used for providing an air source of the pneumatic valve;
wherein, the immersed ultrafiltration membrane component mainly has the function of filtering the aperture of 0.01 μm, mainly removes turbidity, microorganisms and the like in the water body, the arranged on-line pressure sensor displays and records the suction pressure through a PLC, the on-line flowmeter displays and records the water production flow through the PLC, and the experiment operates at constant flow; the liquid level meter realizes the liquid level control of the membrane pool.
The utility model discloses an all welding seam positions of box 22 are all full weld, and the equipment internal and external surface is polished with the welding seam clearance and is got rid of the surface burr, cut the sediment to carry out pickling passivation treatment. The thickness of the bottom plate of the box body is 8mm, the thickness of the rest walls is 5mm, the dimensional tolerance of all the holes is +/-0.1, and the dimensional tolerance of the rest walls is +/-1.
The utility model discloses a top four corners of box all is provided with lug 223. The specific size of the lifting lug 223 is based on the capability of safely lifting the membrane pool. An escalator 224 is fixed on one side of the box body 22, and a plurality of reinforcing ribs 225 are arranged on the outer surface of the box body 22.
The left part and the right part in the box body of the utility model need to be strictly sealed by the intermediate baffle plate, and the water leakage condition is not allowed to appear.
The pipeline opening that is offered on the vertical box 22 of the utility model is connected corresponding function accessories according to its corresponding effect function, as above, an aeration mouth N6 pipe connection has air-blower function accessories, and this is selected as required, does not need creative work.
Adopt the utility model discloses an submergence formula milipore filter test device moves, can consider following factor:
inspecting effluent quality of ultrafiltration system
Directly filtering raw water by using an ultrafiltration system, and comparing the water quality of membrane effluent with that of sand filter effluent; and finishing the research of recycling the backwashing water of the filter tank based on the ultrafiltration membrane. The indexes of turbidity, organic matters, ammonia nitrogen, metal elements and microorganisms are investigated.
Optimization of membrane module operating parameters
And seeking and optimizing parameters of stable operation of the membrane component aiming at the material and the performance of the immersed membrane. Comprises backwashing strength, backwashing time, EFM cleaning period, selection of chemical cleaning agent type and cleaning condition.
The utility model discloses an submergence formula milipore filter test device can automatic operation under the PLC automatic control to data such as automatic recording key pressure, flow, the operating parameter operating personnel can set up, in order to carry out the parameter optimization experiment.
The utility model discloses an milipore filter subassembly parameter
The experimental system adopts 4-curtain immersed ultrafiltration membrane components, and the total membrane area is 80m2The technical parameters are shown in the following table 1:
membrane Module parameters Table 1
| Content providing method and apparatus | Parameter(s) |
| Type of membrane module | LJ2A-2000 |
| Area of membrane | 20m2 |
| Direction of water flow | From outside to inside |
| Ultrafiltration membrane material | PVC alloy |
| Material of membrane shell | ABS |
| End head encapsulating material | Epoxy resin |
| Molecular weight cut-off | 5 kilodaltons |
| Inside/outside diameter (mm) | 1.00/1.60 |
| Nominal pore diameter | 0.01μm |
| Temperature of inlet water | Below 40 deg.C |
| pH | 2-13 |
| Acid and alkali resistance | Is excellent in |
Adopt the experimental content of the device of the utility model
The test content of the device of the utility model is mainly as follows: inspecting the treatment condition of the immersed ultrafiltration membrane system on raw water of a water plant; inspecting the treatment condition of the immersed ultrafiltration membrane system on backwashing water of a filter tank of a water plant; optimizing the operating parameters of the ultrafiltration system and obtaining main economic and technical indexes on the basis.
The pilot test is divided into 2 stages:
and in the stage 1, the stable operation of a test system is ensured for a conventional test, and reliable pilot test data is mainly provided for the design and process selection of engineering projects of a water plant.
1) Test period
The expected value is 3 months.
2) Test water source
The raw water can be replaced by settled water and filtered water in the later period.
3) Recovery rate
Ensuring the recovery rate of the system to be more than 95 percent.
4) Mode of operation
The running mode of the ultrafiltration device is as follows:
filtering- → air-water cleaning- → filtering
The device periodically carries out automatic pollution discharge.
5) Initial experimental operating parameters of device
TABLE 2 plant operating parameters
TABLE 3 maintenance cleaning parameters
| Sodium hypochlorite concentration | 200ppm (lower stock solution concentration, about 5%) |
| Backwashing dosing time | 2min |
| SoakingTime of day | 30min |
In the experimental process, relevant operation parameters such as filtering time, discharge period, maintainable cleaning concentration and the like can be properly adjusted according to the operation condition on the basis of ensuring the stable operation of the device and the requirement of recovery rate.
And 2, adding proper pretreatment according to the pollution characteristics of the filter chamber backwashing water, and finishing the backwashing water recovery treatment based on ultrafiltration. The relevant process operating parameters can be adjusted according to experimental data performed earlier.
Water quality analysis of experiment
Indexes such as turbidity, oxygen consumption, bacteria, escherichia coli, algae, ferro-manganese and the like of the effluent of the immersed ultrafiltration membrane process are considered, the effluent quality safety of the ultrafiltration process is researched, and meanwhile, the conditions of pollutants are compared and analyzed with raw water, the effluent of a sedimentation tank and the effluent of sand filtration.
Research on recovery of chemical cleaning performance of ultrafiltration membrane
Along with the experiment, the pollutants accumulated on the surface of the ultrafiltration membrane are more and more, and the pollutants cannot be removed by means of periodic hydraulic flushing, so that the flux of the ultrafiltration membrane is influenced, the transmembrane pressure difference is higher and higher, the ultrafiltration membrane is chemically cleaned after reaching a certain degree, and main cleaning agents are sodium hydroxide, sodium hypochlorite, hydrochloric acid and the like.
And in the later period of the experiment, the ultrafiltration membrane is chemically cleaned, the recovery conditions of the transmembrane pressure difference and other operation parameters of the ultrafiltration membrane after chemical cleaning are inspected, and a reasonable and effective cleaning method is determined.
Running cost analysis
And researching the specific operation and maintenance costs of the ultrafiltration system such as drug consumption and energy consumption, and carrying out technical and economic evaluation.
Detecting the index
TABLE 4 Pilot test Water in and out detection indexes
| Index (I) | Frequency of |
| COD | 1 time in 2 days |
| UV254 | 1 time in 2 days |
| pH | 1 time in 2 days |
| Ammonia nitrogen | 1 time in 2 days |
| Temperature of | 1 time in 2 days |
| Turbidity of water | 1 time in 2 days |
| Escherichia coli | 1 time in 2 days |
| Accumulated water inflow of system | 1 time per day |
| Flow rate | On-line monitoring |
| Pressure difference across membrane | On-line monitoring |
The device of the utility model is maintained in daily operation
Recording parameters such as water quantity, pressure, water temperature and the like of the ultrafiltration system in daily life;
periodically replenishing the medicament;
analyzing the water quality of inlet and outlet water;
regularly checking the running condition of the air compressor and maintaining;
such as system downtime, and maintenance of the ultrafiltration module is required depending on the length of the downtime.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (9)
1. An immersed ultrafiltration membrane test device is integrally of a vertical box body structure made of stainless steel and is characterized in that the interior of the box body is divided into two mutually independent spaces through a partition plate, the two spaces are respectively a raw water storage tank and a produced water storage tank, an immersed membrane pool is arranged in the produced water storage tank, a plurality of groups of immersed ultrafiltration membrane assemblies are placed in the immersed membrane pool, and the bottom of the produced water storage tank is connected with a backwashing port (N4) and a drain outlet II (N5); the device comprises a raw water storage tank, a raw water inlet, a raw water outlet, a raw water flushing port, a raw; the upper part of the raw water storage tank is connected with a water inlet III (N19) and a medicine washing return port II (N20), and the water production storage tank is connected with a water production port IV (N21); all the openings are connected with pipelines through flanges, the vacuumizing port is connected with a vacuum pump, an online pressure sensor is arranged on the pipeline, the medicine washing reflux port is connected with a medicine feeding pump, and the first aeration port (N6) is connected with an air blower;
the device is characterized by further comprising a PLC (programmable logic controller), wherein the water inlet pipeline or the water production pipeline is provided with an online flowmeter, the water production water storage tank is further provided with a liquid level meter, and the liquid level meter, the liquid level sensor (N1), the online flowmeter and the online pressure sensor are connected with the PLC to realize online monitoring and automatic operation.
2. An immersed ultrafiltration membrane test device according to claim 1, wherein the immersed ultrafiltration membrane modules are in four groups.
3. An immersed ultrafiltration membrane test device according to claim 1, wherein the box body is of an inverted L shape, and the overflow port II (N11), the water production port II (N13), the aeration port I (N6), the water production port I (N7), the vacuumizing port I (N8), the water inlet II (N9), the overflow port I (N10), the drug washing reflux port I (N12), the vacuumizing port II (N14), the aeration port II (N15), the water production port III (N16) and the overflow port III (N17) are all arranged at the upper part of the inverted L-shaped box body in a downward direction.
4. The submerged ultrafiltration membrane test apparatus of claim 1, wherein the outer surface of the tank is provided with a plurality of reinforcing ribs.
5. The submerged ultrafiltration membrane test device according to claim 1, wherein lifting lugs are arranged at four corners of the top of the box body.
6. The submerged ultrafiltration membrane test apparatus of claim 1, wherein the submerged ultrafiltration membrane module has a filtration pore size of 0.01 μm.
7. The submerged ultrafiltration membrane test apparatus of claim 1, wherein an escalator is fixed to one side of the tank.
8. The submerged ultrafiltration membrane test apparatus of claim 1, wherein all of the holes have a dimensional tolerance of ± 0.1 and the remaining holes have a dimensional tolerance of ± 1.
9. The submerged ultrafiltration membrane test apparatus of claim 1, wherein the base plate is 8mm thick and the remaining wall thickness is 5 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920722339.0U CN210079273U (en) | 2019-05-20 | 2019-05-20 | Immersed ultrafiltration membrane test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722339.0U CN210079273U (en) | 2019-05-20 | 2019-05-20 | Immersed ultrafiltration membrane test device |
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| CN210079273U true CN210079273U (en) | 2020-02-18 |
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