Efficient particle membrane filtering device

Abstract

The utility model discloses an efficient particle membrane filtering device. The efficient particle membrane filtering device comprises a skid structure, the skid structure comprises a plurality of particle film high-speed filters, the particle film high-speed filters are arranged in a single-branch, multi-branch and grouped mode in a skid, each particle film high-speed filter comprises a column type filter assembly, a water inlet multi-way valve and a water production multi-way valve, and a valve, a pipeline, an instrument and an electric control system are further arranged in the skid. The filter operates according to the sequence of operation, waiting, backwashing and commissioning, solves the problem that a conventional filter is large in backwashing water amount, easy to be polluted and blocked and long in process, can realize high-flow-rate, high-precision and high-stability filtration, can treat large-flux incoming water, and reduces the use of filter materials; a column type skid structure is adopted, the occupied area of the filter is greatly reduced, the technological process is shortened, flexible and free permutation and combination are achieved, various complex water qualities can be dealt with, and the requirement for the inlet water quality is relatively wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter processing technical field, concretely relates to a kind of high-efficiency particle membrane filter device. BACKGROUND

[0002] Multi-media filtration technology, quartz sand filtration technology and ultrafiltration technology are widely used in petroleum, chemical industry, energy and water treatment industries. Traditional multi-media filtration technology, quartz sand filtration technology adopts tank body type appearance structure, and has problems such as high water turbidity requirement, low pollution capacity, low flow rate, large floor area, many auxiliary equipment, large backwash water volume and the like. Ultrafiltration technology also has similar problems: high water quality requirement, generally water turbidity is not more than 10 NTU, filter is required at front end, and water production tank is required to be set at rear end; Small equipment filtration flux, small pollution capacity, complex equipment filtration process and large floor area and the like. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of high-efficiency particle membrane filter device, adopt column type filter assembly and combine with particle adsorption technology, and by multiple column type filter assembly arrangement combination construction pry block type structure, meet different process application scene, can solve the problems such as low flow rate of conventional filtration technology, easy to be blocked, low filtration precision, large equipment floor area, high operating cost, need to add medicine, relatively extensive to the requirement of water quality, can handle multiple types of water quality, and need not stop to clean, improve production efficiency.

[0004] To achieve the above object, a kind of high-efficiency particle membrane filter device is provided in the application, including pry block structure, the pry block structure includes several particle membrane high-speed filters, several particle membrane high-speed filters are arranged in pry block according to single branch, multiple branches, group mode, pry block is also provided with valve, pipeline, instrument, electric control system, according to the order of operation, waiting, backwash, commissioning operation;The particle membrane high-speed filter includes column type filter assembly, water inlet multiway valve, water production multiway valve;

[0005] The pry block structure further includes:

[0006] Raw water delivery pipeline is connected with water inlet multiway valve, and is used to input raw water with turbidity of 50-500 NTU into particle membrane high-speed filter;

[0007] Backwash water inlet pipeline is connected with water inlet multiway valve, and original water can be used for flushing under backwash condition;

[0008] Compressed air delivery pipeline is connected with water inlet multiway valve, and is used to provide pressure when particle membrane high-speed filter is backwashed;

[0009] Water production pipeline is connected with water production multiway valve, and is used to deliver water production treated by particle membrane high-speed filter;

[0010] The backwashing drainage pipeline is connected with the water production multi-way valve, and is used for draining water after backwashing of the particle membrane high-speed filter.

[0011] The compressed air output pipeline is connected with the water production multi-way valve, and is used for discharging compressed air after backwashing of the particle membrane high-speed filter.

[0012] In one of the embodiments, the particle membrane high-speed filter is backwashed individually or in groups under different working conditions.

[0013] In one of the embodiments, a corresponding number of particle membrane high-speed filters are selected to work according to the processing capacity.

[0014] In one of the embodiments, the column filter assembly comprises a water inlet mode from bottom to top, specifically comprising:

[0015] The column shell is internally filled with granular adsorbent, and a precision filter membrane is constructed by using the electric charge characteristics, and an adsorption membrane is formed under the action of a membrane aid, so that high-precision filtration of water is realized. The shell material includes but is not limited to one or several materials such as carbon steel, stainless steel, CPVC and UPVC.

[0016] The upper end plate is located at the top of the column shell.

[0017] The water collecting assembly is installed on the column shell to ensure stable operation of the filter material and stable operation of the water flow speed at 15-60 m / h.

[0018] The lower end plate is located at the bottom of the column shell to realize uniform water distribution.

[0019] In one of the embodiments, the adsorbent includes one or several combinations of walnut kernels, anthracite, quartz sand, garnet, fluorite, organic particles, PVC particles, PP particles and slag.

[0020] In one of the embodiments, the water collecting assembly is located at the top of the column shell and comprises:

[0021] The water collector is connected with the air cylinder.

[0022] The water distribution head is connected with the water collector for uniformly distributing water flow and adjusting water pressure.

[0023] In one of the embodiments, the particle size of the adsorbent particles is 0.3-1.5 mm, 0.5-1.65 mm or 0.8-2.2 mm in various gradations.

[0024] In one of the embodiments, the water inlet multi-way valve comprises a raw water inlet, a backwashing water inlet and a compressed air inlet; and the water production multi-way valve comprises a raw water outlet, a backwashing water outlet and a compressed air outlet.

[0025] In one of the embodiments, the raw water conveying pipeline, the backwashing water inlet pipeline, the compressed air conveying pipeline, the water production pipeline, the backwashing water outlet pipeline and the compressed air outlet pipeline are all provided with mounting flanges.

[0026] In one of the embodiments, the diameter of the column filter assembly is 200-500 mm, and the height is 1500-3500 mm.

[0027] The utility model discloses adopt above technical scheme, solved the pain point problem of conventional filter backwashing water quantity is big, easy to be blocked, long process, can realize high flow rate, high accuracy, high stability filtration, can handle big flux incoming water, reduce filter material use, backwashing water quantity is little, through the combination of particle filtration technology and column structure, reduced filter floor space, shorten technological process, realize flexible free arrangement and combination, can respond to various complex water quality, relatively extensive to the water quality requirement of inlet, the system switches through multichannel valve, can realize different filtration process, greatly promoted the utilization efficiency of enterprise production space, effectively reduced production cost, played a positive role to promote enterprise and the development of the whole industry. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is particle membrane filter device structure principle diagram;

[0029] Figure 2 It is multi-group particle membrane high-speed filter pry block structure schematic diagram;

[0030] Figure 3 It is particle membrane high-speed filter internal schematic diagram;

[0031] Figure 4 It is particle membrane high-speed filter principle diagram;

[0032] Figure 5 It is inlet multichannel valve and water production multichannel valve principle diagram;

[0033] Figure 6 It is the process flow chart involved in example 1;

[0034] Figure 7 It is the process flow chart involved in example 2.

[0035] Wherein: 1, upper end plate;2, column shell;3, water distributor;4, lower end plate;5, water collecting assembly;51, air cylinder;52, water collector;53, water distribution head;6, working area;71, compressed air conveying pipeline;72, backwashing water inlet pipeline;73, raw water conveying pipeline;74, inlet multichannel valve;75, outlet multichannel valve;76, water production pipeline;77, backwashing water outlet pipeline;78, compressed air outlet pipeline. DETAILED DESCRIPTION

[0036] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to explain the present application and not to limit the present application.

[0037] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0038] In the description of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise explicitly and specifically limited. The meaning of "several" is one or more than one, unless otherwise explicitly and specifically limited.

[0039] In the description of the present application, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0040] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Please refer to Figures 1-2 The embodiment provides a high-efficiency particle membrane filter device, which can effectively remove colloids, suspended solids and turbidity in incoming water, and can replace traditional multi-medium filter devices, V-type filter tanks, siphon filter tanks, quartz sand filters and ultrafiltration membranes, and specifically comprises:

[0042] According to the processing capacity, a plurality of particle membrane high-speed filters are arranged in groups, the number of particle membrane high-speed filters in each group is not fixed, and the groups are connected in a pry block structure; each particle membrane high-speed filter is provided with a water inlet multi-way valve and a water production multi-way valve, such as Figure 5As shown; by switching between the inlet multi-way valve and the product multi-way valve, different operating conditions for each filter, namely "running" or "backwashing", are achieved.

[0043] The raw water delivery pipeline is connected to the inlet multi-way valve and is used to input raw water with a turbidity of 50-500 NTU into the particle membrane high-speed filter.

[0044] The backwash inlet pipe is connected to the inlet multi-way valve, and raw water can be used for flushing during backwashing.

[0045] The compressed air delivery line is connected to the inlet multi-way valve to provide pressure during backwashing of the particle membrane high-speed filter.

[0046] The product water pipeline, connected to the product water multi-way valve, is used to transport product water that has been treated by the particle membrane high-speed filter;

[0047] The backwash drain line is connected to the product water multi-way valve and is used to drain water after backwashing the particle membrane high-speed filter.

[0048] The compressed air output pipeline is connected to the product water multi-way valve and is used to discharge compressed air after backwashing of the particle membrane high-speed filter.

[0049] As a preferred embodiment provided in this example, the particle membrane high-speed filter is backwashed individually or in groups under different operating conditions. It should be noted that only the filter in the backwashing condition is backwashed each time, which greatly reduces the amount of backwash water.

[0050] As a preferred embodiment provided in this example, a corresponding number of particle membrane high-speed filters are selected to operate according to the processing volume. Since the column structure is connected in the form of skids, the footprint of the equipment is greatly reduced.

[0051] In a preferred embodiment provided in this example, the particle membrane high-speed filter has a diameter of 200–500 mm and a height of 1500–3500 mm. Compared with traditional canister filters, it has the advantages of small size, high flow rate, large water production, and low filter media consumption.

[0052] like Figures 3-4 As shown, the column filter assembly adopts a bottom-up water inlet method, specifically including:

[0053] The cylindrical shell is filled with granular adsorbent. Utilizing its charged properties, it constructs a precision filter membrane. With the help of a membrane-forming agent, an adsorption membrane is formed, achieving high-precision water filtration. The shell material includes, but is not limited to, one or more of the following: carbon steel, stainless steel, CPVC, and UPVC. The adsorbent includes, or a combination of, walnut kernels, anthracite, quartz sand, garnet, fluorite, organic particles, PVC particles, PP particles, and slag.

[0054] The upper end plate is pressed against the end of the column housing by the first sealing ring and fixed by the first clamp. A water outlet is embedded in the upper end plate.

[0055] The water collection assembly, a moving component, is mounted on the column housing; it is used to provide pressure to ensure that the water flow velocity inside the column housing operates stably at 15-60 m / h.

[0056] The lower end plate is pressed against the end of the column housing by the second sealing ring and fixed by the second clamp. An external thread water distributor is connected to the lower end plate. Raw water enters the column housing from the periphery of the external thread water distributor to achieve uniform water distribution.

[0057] The water distributor, located between the adsorbent and the lower end plate, is a sieve plate with different pore sizes.

[0058] As a preferred embodiment provided in this example, the water collection assembly is located at the top of the columnar housing and includes, but is not limited to, a water collector, which is combined with a cylinder, a counterweight, and a water pressure system in one or more ways; the water collector can guide the backwash water flow through the filter layer to wash away the impurities and particles trapped therein.

[0059] The water distribution head, connected to the water collector, is used to evenly distribute water flow and regulate water pressure.

[0060] As a preferred embodiment provided in this example, the inner part of the columnar shell is divided into an expansion zone and a working zone. The expansion zone is the movement area of ​​the water collection component, and the working zone is the adsorbent addition area. During backwashing, the expansion zone and the working zone are used for interactive cleaning.

[0061] Example 1

[0062] like Figure 6 As shown, the raw water is high-turbidity river water with an influent turbidity of 125 NTU. Pretreatment uses a particle membrane high-speed filtration device to remove turbidity, colloids, and suspended solids. After this process, the turbidity of the product water is less than 0.3 NTU and is sent to a precision filter. The product water is then sent to a reverse osmosis device. The reverse osmosis desalination water is demineralized water and can be used as production water. The concentrate is highly concentrated brine and can be used as backwash wastewater for the particle membrane high-speed filter. The wastewater after filtration by the particle membrane high-speed filter is high-turbidity wastewater and is discharged into the wastewater system.

[0063] Example 2

[0064] like Figure 7 As shown, a chemical plant in a certain region plans to introduce river water as its circulating water. After coagulation and sedimentation treatment, the river water has a hardness of 250 mg / L, a turbidity of 285 NTU, an SDI of 10.5, and a flow rate of 195 t / h. The product water specifications are: turbidity < 50 NTU, SDI < 3. The process adopts a particle membrane and in-situ coupling synergistic hardness removal technology, as detailed below:

[0065] S1. In the turbidity removal process section, particle membrane high-speed filter device is used for pretreatment. According to calculation, 132 particle membrane high-speed filters are used, the diameter d of the filter is 500 mm, the height d is 1500 mm, and the filters are symmetrically arranged up and down, of which 120 filters produce water and 12 filters backwash; the floor area is about length x width x height (mm) = 8500 x 2300 x 6500;

[0066] S2. In each particle membrane high-speed filter, the adsorbent filling amount is 850-900 mm high, quartz sand with a particle size of 0.56-2.2 mm is loaded, the water inlet flow rate reaches 37 m / h, the total water production amount is 220 m 3 / h, the total backwash water amount is 18 m 3 / h; the actual water production amount is 200 m 3 / h; the backwash time is 5 min, and the water turbidity is <1 NTU.

[0067] S3. In-situ coupling synergistic hardness removal process section is used for extracting hardness in water, the water hardness is <5 mg / L, and the water produced by the in-situ coupling synergistic hardness removal device can be used as circulating water supplement water in the system;

[0068] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A high efficiency particulate air filter device, characterized by, The pry block structure comprises a plurality of particle membrane high-speed filters arranged in a single, multiple or group manner in the pry block and operated in sequence of running, waiting, backwashing and putting into operation; the particle membrane high-speed filter comprises a column filter assembly, a water inlet multi-way valve and a water production multi-way valve; The pry block structure further comprises: A raw water conveying pipeline connected with the water inlet multi-way valve and used for inputting raw water with turbidity of 50-500 NTU into the particle membrane high-speed filter; A backwashing raw water pipeline connected with the water inlet multi-way valve and using raw water for flushing in the backwashing condition; A compressed air conveying pipeline connected with the water inlet multi-way valve and used for providing pressure when the particle membrane high-speed filter is backwashed; A water production pipeline connected with the water production multi-way valve and used for conveying water treated by the particle membrane high-speed filter; A backwashing water discharge pipeline connected with the water production multi-way valve and used for discharging water after the particle membrane high-speed filter is backwashed; A compressed air output pipeline connected with the water production multi-way valve and used for discharging compressed air after the particle membrane high-speed filter is backwashed.

2. The high efficiency particulate air filter device of claim 1, wherein, The particle membrane high-speed filter is backwashed individually or in groups in different working conditions.

3. The high efficiency particulate air filter device of claim 1, wherein, According to the processing capacity, a corresponding number of particle membrane high-speed filters are selected to work.

4. The high efficiency particulate air filter device of claim 1, wherein, The column filter assembly adopts a water inlet mode from bottom to top and specifically comprises: A column shell filled with granular adsorbent, which utilizes the electric charge characteristics to build a precision filter membrane and forms an adsorption membrane under the action of a membrane aid to realize high-precision water filtration; An upper end plate located at the top of the column shell; A water collecting assembly installed on the column shell to ensure stable operation of filter material and stable operation of water flow speed at 15-60 m / h; A lower end plate located at the bottom of the column shell to realize uniform water distribution.

5. The high efficiency particulate air filter device of claim 4, wherein, The water collecting assembly located at the top of the column shell comprises: A water collector connected with a gas cylinder; A water distribution head connected with the water collector for uniformly distributing water flow and adjusting water pressure.

6. The high efficiency particulate air filter device of claim 4, wherein, The adsorbent particles have a particle size of 0.3-1.5 mm, 0.5-1.65 mm or 0.8-2.2 mm.

7. The high efficiency particulate air filter device of claim 1, wherein, The water inlet multi-way valve comprises a raw water inlet, a backwashing water inlet and a compressed air inlet; and the water production multi-way valve comprises a raw water outlet, a backwashing water outlet and a compressed air outlet.

8. The high efficiency particulate air filter device of claim 1, wherein, The raw water conveying pipeline, the backwashing raw water pipeline, the compressed air conveying pipeline, the water production pipeline, the backwashing water discharge pipeline and the compressed air output pipeline are each provided with a mounting flange.

9. The high efficiency particulate air filter device of claim 1, wherein, The column filter assembly has a diameter of 200-500 mm and a height of 1500-3500 mm.

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