CN214287589U - Full-automatic bidirectional backwashing microfiltration device - Google Patents
Full-automatic bidirectional backwashing microfiltration device Download PDFInfo
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- CN214287589U CN214287589U CN202022926677.1U CN202022926677U CN214287589U CN 214287589 U CN214287589 U CN 214287589U CN 202022926677 U CN202022926677 U CN 202022926677U CN 214287589 U CN214287589 U CN 214287589U
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Abstract
The utility model provides a full-automatic two-way back flush microfiltration device, including first microfiltration unit, second microfiltration unit, female pipe of intaking and production water main, first microfiltration unit includes the first jar of body, first microfiltration membrane subassembly apron, first overflow weir, first perforated plate, first inlet tube, first water-locator, first gas distributor, first exhaust pipe, first mud pipe, first flushing pipe and first inlet valve, and first microfiltration unit and second microfiltration unit structure are the same, are provided with the production water main on the production water main. Wherein the utility model has the advantages that: the filter membrane component cover plate can be used for independently extracting a certain filter membrane element, is convenient to maintain, has the characteristics of compact structure optimization, small occupied area, high system automation degree and long service life, can realize automatic flushing, and does not need to be provided with a backwashing pump and a backwashing water tank.
Description
Technical Field
The utility model relates to a water treatment field, in particular to full-automatic two-way back flush micro-filtration device.
Background
The water treatment has important significance for developing industrial production, improving product quality, protecting human environment and maintaining ecological balance, and is one of the important ways for relieving the shortage of fresh water resources at present. Most of water treatment equipment has certain requirements on the quality of inlet water, namely, the water body needs to be pretreated before entering the equipment to meet certain requirements on the quality of the inlet water.
The substances to be removed in water pretreatment generally include: floaters, suspended matter, plankton, bacteria and microorganisms, colloidal particles, and dissolved matter. At present, the most common treatment technology for domestic and foreign water pretreatment is to add chemicals (flocculant) and chlorine and then remove flocculate by a filter. Wherein, the micro-filtration (also called as micro-pore filtration) is a pressure-driven membrane treatment technology, the aperture of the membrane is generally 0.05-5 μm, and can filter micron-sized or nano-sized particles and bacteria in the solution, thus being widely applied to the pretreatment of various industrial feed water and drinking water and having the characteristics of simple operation, high efficiency, convenience and economy.
However, microfiltration filter elements in the market are generally made of PAN, PVC and PVDF membranes, have small water flux, are not oil-resistant, are difficult to clean, are easily fatal to organic solvents, have short service life, are inconvenient to disassemble and assemble, have large backwashing energy consumption and are complex to operate.
Disclosure of Invention
In order to solve the technical problem, the utility model discloses a full-automatic two-way back flush microfiltration device, the technical scheme of the utility model is implemented like this:
a full-automatic bidirectional backwashing microfiltration device comprises a first microfiltration unit, a second microfiltration unit, a water inlet main pipe and a water production main pipe, wherein the first microfiltration unit comprises a first tank body, a first microfiltration membrane component cover plate, a first overflow weir, a first porous plate, a first water inlet pipe, a first water distributor, a first gas distributor, a first exhaust pipe, a first sludge discharge pipe, a first flushing pipe and a first water inlet valve; the water production main pipe is provided with a water production main valve, the first microfiltration membrane component is detachably connected with the first microfiltration membrane component cover plate, the first microfiltration membrane component cover plate is positioned on the first porous plate, the first porous plate and the first tank body are closed to form a closed first microfiltration space, the first overflow weir is positioned on the first porous plate, the first exhaust pipe penetrates through the first porous plate and the first overflow weir and is inserted into the first tank body, the first microfiltration membrane components are independent from each other, and the first water distributor and the first gas distributor are arranged below the first microfiltration membrane component; the first flushing pipe and the first sludge discharge pipe are arranged at the bottom of the first tank body; the first flushing pipe is connected with the first sludge discharge pipe, the first microfiltration unit is connected with the second microfiltration unit in the same structure and material, the water inlet main pipe is inserted into the first tank body and the second tank body and is connected with the first water distributor and the second water distributor, and the water production main pipe is connected with the first microfiltration unit and the upper part of the second microfiltration unit.
Preferably, the first microfiltration membrane module uses an external pressure type PTFE membrane as a filtration membrane element.
Preferably, the filter membrane element is made of a modified PTFE membrane and has extremely strong hydrophilicity.
Preferably, the first microfiltration membrane module cover plate is made of UPVC material.
Preferably, the first microfiltration membrane module is arranged in a vertical circumferential array mode.
Preferably, the pressure control system further comprises a first pressure gauge, a second pressure gauge, a third pressure gauge, a fourth pressure gauge and a pressure control sensor; the first pressure gauge is arranged on the first gas distributor, the second pressure gauge is arranged on the second gas distributor, the third pressure gauge is arranged on the water inlet main pipe, and the fourth pressure gauge is arranged on the water production main pipe; the pressure control sensor is positioned at the water production main valve and controls the water production main valve and the first water inlet valve and the second water inlet valve.
Preferably, the first microfiltration membrane module and the first microfiltration membrane module cover plate are connected through a first nut gasket.
By implementing the technical scheme of the utility model, the technical problems of large floor area, small water production flux, oil resistance, difficult cleaning, fatal damage to the microfiltration device caused by organic solvent, short service life, inconvenient disassembly and assembly, large backwashing energy consumption and complex operation in the prior art can be solved; implement the technical scheme of the utility model, through setting up two micro-filtration unit allies oneself with uses, can realize reducing area, need not to dispose backwash pump and backwash water tank's technological effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a first microfiltration membrane module.
In the above drawings, the reference numerals denote:
1, a first microfiltration unit
1-1, first exhaust pipe
1-2, first overflow weir
1-3, first perforated plate
1-4, a first microfiltration membrane component cover plate
1-5, a first microfiltration membrane component
1-6, first tank body
1-7, first flushing pipe
1-8, the first sludge discharge pipe
1-9, a first gas distribution pipe
1-10, the first water distributor
1-11, first inlet valve
1-12, first nut washer
2, a second microfiltration unit
2-1, second exhaust pipe
2-2, second overflow weir
2-3, second perforated plate
2-4, a second microfiltration membrane component cover plate
2-5, a second microfiltration membrane component
2-6, second tank
2-7, second flushing pipe
2-8, a second sludge discharge pipe
2-9, second gas distribution pipe
2-10, the second water distributor
2-11, second inlet valve
3, producing water main pipe
3-1, producing water main valve
4, a water inlet main pipe
5, a first pressure gauge
6, second pressure gauge
7, third pressure gauge
8, fourth pressure gauge
9, pressure control sensor
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
In a specific embodiment, as shown in fig. 1 and 2, a full-automatic bidirectional backwashing microfiltration device comprises a first microfiltration unit 1, a second microfiltration unit 2, a water inlet main pipe 4 and a water production main pipe 3, wherein the first microfiltration unit 1 comprises a first exhaust pipe 1-1, a first overflow weir 1-2, a first porous plate 1-3, a first microfiltration membrane module cover plate 1-4, a first microfiltration membrane module 1-5, a first tank 1-6, a first flushing pipe 1-7, a first sludge discharge pipe 1-8, a first gas distributor 1-9, a first water distributor 1-10 and a first water inlet valve 1-11, and the second microfiltration unit 2 comprises a second exhaust pipe 2-1, a second overflow weir 2-2, a second porous plate 2-3, a second microfiltration membrane module cover plate 2-4, 2-5 parts of a second microfiltration membrane component, 2-6 parts of a second tank body, 2-7 parts of a second flushing pipe, 2-8 parts of a second sludge discharge pipe, 2-9 parts of a second gas distributor, 2-10 parts of a second water distributor and 2-11 parts of a second water inlet valve; a water production main pipe 3 is provided with a water production main valve 3-1, a first microfiltration membrane component 1-5 is detachably connected with a first microfiltration membrane component cover plate 1-4, the first microfiltration membrane component cover plate 1-4 is positioned on a first porous plate 1-3, the first porous plate 1-3 and a first tank body 1-6 are closed to form a closed first microfiltration space, a first overflow weir 1-2 is positioned on the first porous plate 1-3, a first exhaust pipe 1-1 penetrates through the first porous plate 1-3 and the first overflow weir 1-2 and is inserted into the first tank body 1-6, the first microfiltration membrane components 1-5 are independent from each other, and a first water distributor 1-10 and a first gas distributor 1-9 are arranged below the first microfiltration membrane component 1-5; the first flushing pipe 1-7 and the first sludge discharge pipe 1-8 are arranged at the bottom of the first tank body 1-6; the first flushing pipe 1-7 is connected with the first sludge discharge pipe 1-8, the first microfiltration unit 1 and the second microfiltration unit 2 are the same in structure and material, the water inlet main pipe 4 is inserted into the first tank 1-6 and the second tank 2-6 and is connected with the first water distributor 1-10 and the second water distributor 2-10, and the water production main pipe 3 is connected with the upper parts of the first microfiltration unit 1 and the second microfiltration unit 2.
In this embodiment, first microfiltration unit 1 and second microfiltration unit 2 can realize providing the backwash water for the other side each other, need not to dispose extra backwash pump and backwash water tank, area has been reduced, and two microfiltration units carry out water treatment simultaneously, it is higher than traditional single microfiltration device water treatment efficiency, and can according to actual conditions needs, dispose a plurality of such two liang of a set of microfiltration units and satisfy different water treatment demands, first microfiltration membrane subassembly 1-5 and second microfiltration membrane subassembly 2-5 are all independent, can open first microfiltration membrane subassembly apron 1-4 and second microfiltration membrane subassembly apron 2-4 and singly overhaul, and is convenient and fast, and service life is prolonged.
The water inlet filtering and producing process of the embodiment comprises the following steps: the valve of the main water inlet pipe 4, the first water inlet valve 1-11 and the second water inlet valve 2-11 are opened to adjust the flow of the inlet water, so that the water production flow of the first microfiltration unit 1 and the second microfiltration unit 2 reaches 100m3H is used as the reference value. The water body to be treated enters the first tank 1-6 and the second tank 2-6 through the water inlet main pipe 4, is uniformly distributed below the first microfiltration membrane component 1-5 and the second microfiltration membrane component 2-5 through the first water distributor 1-10 and the second water distributor 2-10, when the water body reaches the upper part from the lower part of the first microfiltration membrane component 1-5 and the second microfiltration membrane component 2-5, micron-sized or nanometer-sized particles and bacteria in the solution are filtered by the filter membrane elements in the first microfiltration membrane component 1-5 and the second microfiltration membrane component 2-5, and the clarified water body is discharged from the water production main pipe 3 through the first overflow weir 1-2 and the second overflow weir 2-2.
In this embodiment, when the water production running time of a certain microfiltration unit reaches a certain set time, the water inlet valve is automatically closed to perform backwashing. Taking backwashing of the second microfiltration unit 2 as an example, closing a second water inlet valve 2-11 and a produced water main valve 3-1 of the second microfiltration unit 2, and taking produced water of the first microfiltration unit 1 as backwashing water of the second microfiltration unit 2 (without a backwashing pump and a backwashing water tank), so that the structure is simple and the operation is convenient; at the backwash in-process, preset the backwash time, the product water of first microfiltration unit 1 flows into second microfiltration unit 2 and carries out the backwash this moment, reach the setting value when the backwash time, open and produce water main valve 3-1, the inside backwash water of second microfiltration unit 2 flows this moment, treat backwash water and arrange completely, 2 backwash of second microfiltration unit finishes, the backwash process of first microfiltration unit 1 is similar with the backwash process of second microfiltration unit 2, this device can realize complete automatic control backwash and product water.
In a preferred embodiment, the first microfiltration membrane module 1 to 5 uses an external pressure type PTFE membrane as a membrane element.
The external pressure type membrane component is easy to clean because the intercepted pollutants are collected outside the membrane wires, so that the external pressure type membrane component is more suitable for water treatment environments with higher pollutant content such as domestic sewage, industrial wastewater and the like.
The filter membrane uses the modified PTFE membrane than the PVDF flat membrane module or other hollow fiber membrane systems commonly used, all have certain advantage in the aspect of membrane antipollution, membrane life, product water flux, washing maintenance etc, modified PTFE membrane surface contains a large amount of hydrophilic groups, very easily forms the hydrogen bond with the hydrone, shows stronger affinity to the hydrone, consequently, the hydrone passes the modified PTFE membrane more easily, changes and impurity separation, further improved the effect of water treatment, anti-soil performance improves.
In a preferred embodiment, the filter membrane element is a modified PTFE membrane, which is very hydrophilic.
In a preferred embodiment, the first microfiltration membrane module cover plate 1-4 is made of UPVC material.
The UPVC has the following advantages:
the UPVC material has specific weight of only 1/5 cast iron, and has simple transportation and installation and low cost.
Excellent chemical resistance: UPVC has excellent acid and alkali resistance, except for strong acid and alkali close to saturation point or strong oxidizing agents atmaximin.
The UPVC material can not conduct electricity, and is not corroded by electrolysis and current, so that secondary processing is not needed.
Can not burn, can not support combustion, and has no fire-fighting worry.
The installation is simple, the cost is low, the cutting and the connection are simple, the connection practice using PVC glue proves that the device is reliable and safe, the operation is simple and convenient, and the cost is low.
Durable, weather resistance is excellent, and can not be decomposed by bacteria and fungi.
Small resistance, high flow rate, smooth inner wall, less fluid loss, less dirt adhesion to smooth pipe wall, simple maintenance and low maintenance cost.
In a preferred embodiment, the first microfiltration membrane module 1-5 and the second microfiltration membrane module 2-5 are arranged in a vertical circumferential array.
In the embodiment, the water distribution of the first water distributor 1-10 and the second water distributor 2-10 can be more uniform by the vertical circumferential array, and the water pressure applied to the first microfiltration membrane module 1-5 and the second microfiltration membrane module 2-5 can be more uniform.
In a preferred embodiment, the system further comprises a first pressure gauge 5, a second pressure gauge 6, a third pressure gauge 7, a fourth pressure gauge 8 and a pressure control sensor 9; the first pressure gauge 5 is arranged on the first gas distribution pipe 1-9, the second pressure gauge 6 is arranged on the second gas distribution pipe 2-9, the third pressure gauge 7 is arranged on the water inlet main pipe 4, and the fourth pressure gauge 8 is arranged on the water production main pipe 3; the pressure control sensor 9 is positioned at the water production main valve 3-1 and controls the water production main valve 3-1 and the first water inlet valve 1-11 and the second water inlet valve 2-11.
In this embodiment, the pressure control sensor 9 collects the current pressure information of the first pressure gauge 5, the second pressure gauge 6, the third pressure gauge 7 and the fourth pressure gauge 8, when the device does not run for the set time and the pressure value collected by the pressure control sensor 9 is greater than the set value, the pressure control sensor 9 immediately closes the water inlet valve with the abnormal value, so that the water treatment effect of the device is ensured on the one hand, and on the other hand, the device is prevented from being damaged by too large water pressure.
In a preferred embodiment, as shown in fig. 2, the first microfiltration membrane module 1-5 is connected to the first microfiltration membrane module cover plate 1-4 by a first nut washer 1-12.
In the embodiment, the first microfiltration membrane component 1-5 and the second microfiltration membrane component 2-5 are easier to disassemble, and the detection and maintenance are simpler.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (7)
1. The utility model provides a full-automatic two-way back flush micro-filtration device which characterized in that: the water inlet main pipe and the water production main pipe are connected in series, and the water inlet main pipe is connected with the water inlet main pipe through a first water distributor, a second exhaust pipe, a second water outlet pipe, a second water inlet pipe, a second water distributor, a second gas distributor, a second exhaust pipe, a second sludge discharge pipe and a second water inlet valve; the water production main pipe is provided with a water production main valve, the first microfiltration membrane component is detachably connected with the first microfiltration membrane component cover plate, the first microfiltration membrane component cover plate is positioned on the first porous plate, the first porous plate and the first tank body are closed to form a closed first microfiltration space, the first overflow weir is positioned on the first porous plate, the first exhaust pipe penetrates through the first porous plate and the first overflow weir and is inserted into the first tank body, the first microfiltration membrane components are independent from each other, and the first water distributor and the first gas distributor are arranged below the first microfiltration membrane component; the first flushing pipe and the first sludge discharge pipe are arranged at the bottom of the first tank body; the first flushing pipe is connected with the first sludge discharge pipe, the first microfiltration unit is connected with the second microfiltration unit in the same structure and material, the water inlet main pipe is inserted into the first tank body and the second tank body and is connected with the first water distributor and the second water distributor, and the water production main pipe is connected with the first microfiltration unit and the upper part of the second microfiltration unit.
2. The full-automatic bidirectional backwashing microfiltration device according to claim 1, wherein: the first microfiltration membrane component adopts an external pressure type PTFE membrane as a filtration membrane element.
3. The full-automatic bidirectional backwashing microfiltration device according to claim 2, wherein: the filter membrane element is made of a modified PTFE membrane and has extremely strong hydrophilicity.
4. The full-automatic bidirectional backwashing microfiltration device according to claim 1, wherein: the first microfiltration membrane component cover plate is made of UPVC materials.
5. The full-automatic bidirectional backwashing microfiltration device according to claim 1, wherein: the first microfiltration membrane component is arranged in a vertical circumferential array mode.
6. The full-automatic bidirectional backwashing microfiltration device according to claim 1, wherein: the pressure control device also comprises a first pressure gauge, a second pressure gauge, a third pressure gauge, a fourth pressure gauge and a pressure control sensor; the first pressure gauge is arranged on the first gas distributor, the second pressure gauge is arranged on the second gas distributor, the third pressure gauge is arranged on the water inlet main pipe, and the fourth pressure gauge is arranged on the water production main pipe; the pressure control sensor is positioned at the water production main valve and controls the water production main valve and the first water inlet valve and the second water inlet valve.
7. The full-automatic bidirectional backwashing microfiltration device according to claim 1, wherein: the first microfiltration membrane component is connected with the first microfiltration membrane component cover plate through a first nut gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022926677.1U CN214287589U (en) | 2020-12-07 | 2020-12-07 | Full-automatic bidirectional backwashing microfiltration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022926677.1U CN214287589U (en) | 2020-12-07 | 2020-12-07 | Full-automatic bidirectional backwashing microfiltration device |
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| CN214287589U true CN214287589U (en) | 2021-09-28 |
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| CN202022926677.1U Active CN214287589U (en) | 2020-12-07 | 2020-12-07 | Full-automatic bidirectional backwashing microfiltration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588783A (en) * | 2022-03-21 | 2022-06-07 | 山东水利建设集团有限公司巨野分公司 | Multistage back flush system in pump house |
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2020
- 2020-12-07 CN CN202022926677.1U patent/CN214287589U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588783A (en) * | 2022-03-21 | 2022-06-07 | 山东水利建设集团有限公司巨野分公司 | Multistage back flush system in pump house |
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