CN213294908U

CN213294908U - Ultrafiltration filter device

Info

Publication number: CN213294908U
Application number: CN202021819594.6U
Authority: CN
Inventors: 张田兵; 张佳伟; 赵卫松
Original assignee: Olangbo Jiayu Energy Saving Technology Co ltd
Current assignee: Olangbo Jiayu Energy Saving Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-05-28
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses an ultrafiltration filter device, which comprises a cabinet body; primary filtering units are symmetrically arranged in the cabinet body from left to right, and an ultrafiltration unit is arranged between the two primary filtering units; a baffling buffer area is arranged between the primary filtering unit and the ultrafiltration unit; the baffling buffer area consists of an upper baffle plate connected with the top of the tank body and a lower baffle plate connected with the bottom of the tank body; the upper clapboard is close to the ultrafiltration unit, and the lower clapboard is close to the primary filtration unit; the bottom of the primary filter unit is movably connected with a primary filter element, and the primary filter element comprises a base and a plurality of filter layers arranged on the base; a water inlet channel is arranged in the center of the base; the middle part of the ultrafiltration unit is provided with a plurality of layers of ultrafiltration membranes from top to bottom, the device has scientific structural design, long service life of the ultrafiltration membranes and good filtering effect.

Description

Ultrafiltration filter device

Technical Field

The utility model relates to a water treatment field especially relates to an ultrafiltration filter equipment.

Background

Ultrafiltration is a pressurized membrane separation technique, in which small molecular solutes and solvents are passed through a special membrane with a certain pore size under a certain pressure, while large molecular solutes are not passed through the membrane and remain on one side of the membrane, thus partially purifying the large molecular substances.

However, many existing ultrafiltration devices are relatively complex in structure, some ultrafiltration devices are not provided with primary filtration, sludge, large particles and the like in water are directly intercepted by the ultrafiltration membrane, and the service life of the ultrafiltration membrane is influenced; in addition, most ultrafiltration devices have water flow in a direction from top to bottom, and in this way, under the condition of overlarge water flow, overlarge impact force can be caused on the ultrafiltration membrane, so that the ultrafiltration membrane is damaged.

Chinese patent CN208933044U discloses an ultrafiltration device for printing and dyeing wastewater treatment, and this patent mutually supports through coarse filtration district, adsorption zone and smart filtering area, has realized filtering step by step of waste water, has guaranteed waste water purification's effect to filter core through with coarse filtration district sets up to detachable construction, has made things convenient for the washing and the change of filter core, extension ultrafiltration device's life. However, the patent also has certain defects, for example, when the filter element is cleaned or replaced, the whole device can only be stopped; for another example, the whole structure of the device is vertically arranged and is higher, so that the cleaning, overhauling and maintenance of the adsorption area and the fine filtering area are more troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming of prior art, providing an ultrafiltration filter equipment that structural design is scientific, milipore filter long service life, the filter effect is good.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that:

an ultrafiltration filtering device comprises a cabinet body; primary filtering units are symmetrically arranged in the cabinet body from left to right, and an ultrafiltration unit is arranged between the two primary filtering units; a baffling buffer area is arranged between the primary filtering unit and the ultrafiltration unit; the baffling buffer area consists of an upper baffle plate connected with the top of the tank body and a lower baffle plate connected with the bottom of the tank body; the upper clapboard is close to the ultrafiltration unit, and the lower clapboard is close to the primary filtration unit; the bottom of the primary filter unit is movably connected with a primary filter element, and the primary filter element comprises a base and a plurality of filter layers arranged on the base; a water inlet channel is arranged in the center of the base; and the middle part of the ultrafiltration unit is provided with a plurality of layers of ultrafiltration membranes from top to bottom.

Preferably, the ultrafiltration membranes are at least provided with two layers, and a perforated water distribution plate is further arranged below the lowest ultrafiltration membrane.

Preferably, the bottom of the ultrafiltration membrane is provided with a hollow fiber supporting layer, and the hollow fiber supporting layer is attached to the ultrafiltration membrane.

Preferably, the filtering layer is the shape of falling U, includes coconut husk active carbon filtering layer and the cotton filtering layer of PP from inside to outside, the base is with just straining unit bottom threaded connection, water inlet channel and inlet tube connection.

Preferably, the upper part of the side wall of the ultrafiltration unit is provided with a water outlet, and the height of the water outlet is slightly lower than that of the lower partition plate; the top of the ultrafiltration unit is provided with an access hole.

The utility model has the advantages that:

firstly, the method comprises the following steps: the primary filtering unit is arranged to primarily filter the sewage, and large-particle impurities, sludge particles, colloids and the like in the sewage are intercepted by the primary filtering filter element, so that the burden of a subsequent ultrafiltration membrane is reduced, and the service life of the ultrafiltration membrane is prolonged;

secondly, the method comprises the following steps: the ultrafiltration membrane is provided with at least two layers, so that simple secondary ultrafiltration is realized, and the filtration effect is good; the hollow fiber supporting layer is arranged at the bottom of the ultrafiltration membrane and serves as a reinforcing layer to provide tensile resistance and pressure resistance for the ultrafiltration membrane, so that the ultrafiltration membrane cannot be damaged and broken in an operating environment, normal operation of the ultrafiltration membrane is ensured, and meanwhile, an overlarge impact force on the ultrafiltration membrane due to overlarge water flow can be effectively avoided by a water inlet mode from bottom to top;

thirdly, the method comprises the following steps: the primary filter element is movably connected with the bottom of the primary filter unit, so that the primary filter element is convenient to disassemble and clean; set up two and just strain the unit simultaneously, can use simultaneously, also can alternate use, when one washs, another can continue to use, need not to shut down, and the unit is all set up with the ultrafiltration unit is the level in addition just straining of this device, washs and overhauls the convenience.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 is a cabinet body, 2 is a primary filter unit, 3 is an ultrafiltration unit, 3.1 is a water outlet, 3.2 is an access hole, 4 is a baffling buffer zone, 4.1 is an upper baffle, 4.2 is a lower baffle, 5 is a primary filter element, 5.1 is a base, 5.2 is a filter layer, 5.2.1 is a coconut shell activated carbon filter layer, 5.2.2 is a PP cotton filter layer, 5.3 is a water inlet channel, 6 is an ultrafiltration membrane, 7 is a perforated water distribution plate, 8 is a hollow fiber support layer, and 9 is a water inlet pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

An ultrafiltration filtering device comprises a cabinet body 1; primary filtering units 2 are symmetrically arranged in the cabinet body 1 from left to right, and an ultrafiltration unit 3 is arranged between the two primary filtering units 2; a baffling buffer zone 4 is arranged between the primary filtering unit 2 and the ultrafiltration unit 3; the baffling buffer area 4 consists of an upper partition plate 4.1 connected with the top of the tank body 1 and a lower partition plate 4.2 connected with the bottom of the tank body 1; the upper clapboard 4.1 is close to the ultrafiltration unit 3, and the lower clapboard 4.2 is close to the primary filtration unit 2; the bottom of the primary filter unit 2 is movably connected with a primary filter element 5, and the primary filter element 5 comprises a base 5.1 and a plurality of filter layers 5.2 arranged on the base 5.1; a water inlet channel 5.3 is arranged in the center of the base 5.1; the middle part of the ultrafiltration unit 3 is provided with a plurality of layers of ultrafiltration membranes 6 from top to bottom.

Preferably, the ultrafiltration membranes 6 are at least provided with two layers, and a perforated water distribution plate 7 is further arranged below the lowest ultrafiltration membrane 6.

Preferably, the bottom of the ultrafiltration membrane 6 is provided with a hollow fiber support layer 8, and the hollow fiber support layer 8 is attached to the ultrafiltration membrane 6.

Preferably, the filter layer 5.2 is in an inverted U shape, and comprises a coconut shell activated carbon filter layer 5.2.1 and a PP cotton filter layer 5.2.2 from inside to outside, the base 5.1 is in threaded connection with the bottom of the primary filter unit 2, and other common connection modes can be adopted; inhalant canal 5.3 is connected with inlet tube 9, and the connected mode of filtering layer 5.2 and base 5.1 can be the joint, and this is prior art, and here is no longer repeated.

Preferably, a water outlet 3.1 is arranged at the upper part of the side wall of the ultrafiltration unit 3, and the height of the water outlet 3.1 is slightly lower than that of the lower partition plate 4.3; the top of the ultrafiltration unit 3 is provided with an access hole 3.2.

The working principle of the device is as follows:

water enters the primary filter element 5 from the water inlet channel 5.3 along the water inlet pipe 9, large particles, mud, colloid and the like are intercepted by the filter layer 5.2, and after primary filtration, the water enters the baffling buffer area 4 from the top of the lower partition plate 4.2; then enters the ultrafiltration unit 3 from bottom to top, slowly flows and uniformly distributes through the perforated water distribution plate 7, and flows out of the water outlet 3.1 after penetrating through at least two layers of ultrafiltration membranes 6.

The primary filter unit 2 and the primary filter element 5 are movably connected, so that the primary filter element 5 can be conveniently detached, cleaned and replaced; after the primary filtering unit 2 is arranged, the service life of the ultrafiltration membrane 6 can be prolonged; the water inlet mode from bottom to top can also effectively avoid overlarge impact force on the ultrafiltration membrane 6 caused by overlarge water flow; the hollow fiber supporting layer 8 at the bottom of the ultrafiltration membrane 6 provides tensile resistance and pressure resistance for the ultrafiltration membrane 6, so that the ultrafiltration membrane 6 cannot be damaged or broken in an operating environment, and the normal operation of the ultrafiltration membrane is ensured.

The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. An ultrafiltration filtering device comprises a cabinet body; the method is characterized in that: primary filtering units are symmetrically arranged in the cabinet body from left to right, and an ultrafiltration unit is arranged between the two primary filtering units; a baffling buffer area is arranged between the primary filtering unit and the ultrafiltration unit; the baffling buffer area consists of an upper baffle plate connected with the top of the tank body and a lower baffle plate connected with the bottom of the tank body; the upper clapboard is close to the ultrafiltration unit, and the lower clapboard is close to the primary filtration unit; the bottom of the primary filter unit is movably connected with a primary filter element, and the primary filter element comprises a base and a plurality of filter layers arranged on the base; a water inlet channel is arranged in the center of the base; and the middle part of the ultrafiltration unit is provided with a plurality of layers of ultrafiltration membranes from top to bottom.

2. An ultrafiltration filter device according to claim 1, wherein: the ultrafiltration membranes are at least two layers, and a water distribution plate with holes is arranged below the lowest ultrafiltration membrane layer.

3. An ultrafiltration filter device according to claim 1 or 2, wherein: the ultrafiltration membrane is characterized in that a hollow fiber supporting layer is arranged at the bottom of the ultrafiltration membrane and is attached to the ultrafiltration membrane.

4. An ultrafiltration filter device according to claim 1, wherein: the filter layer is the font of falling U, from interior to including coconut husk active carbon filter layer and the cotton filter layer of PP outward, the base with strain unit bottom threaded connection just, inlet channel and advance water piping connection.

5. An ultrafiltration filter device according to claim 1, wherein: a water outlet is arranged at the upper part of the side wall of the ultrafiltration unit, and the height of the water outlet is slightly lower than that of the lower partition plate; the top of the ultrafiltration unit is provided with an access hole.