CN211358391U

CN211358391U - Assembled inorganic membrane component

Info

Publication number: CN211358391U
Application number: CN201921741304.8U
Authority: CN
Inventors: 陆超; 倪贝佳
Original assignee: Shanghai Corun Membrane Technology Co ltd
Current assignee: Shanghai Corun Membrane Technology Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-08-28
Anticipated expiration: 2029-10-17

Abstract

The utility model relates to an assembled inorganic membrane component, including head, sealing washer, guide plate, sealing member, membrane element, membrane shell, stoste import, concentrate export, filtrating export, recoil import. After the membrane elements are assembled into a membrane block, the membrane block is packaged in a membrane shell through a sealing piece and a guide plate, and the membrane shell is assembled with a seal head and a seal ring to form an assembly. The utility model discloses have that packing density is big, filtration efficiency is high, the separation precision is high, mechanical strength is big, corrosion-resistant, high temperature resistant, high pressure resistant, the installation is simple, the good reliability, the dimension protects typical characteristics such as convenient, can wide application in the filtration of trades such as environmental protection water treatment, biology, medicine, chemical industry, new material, food, beverage, meticulous separation processes such as refined, concentration, compromise organic membrane module's economic nature and inorganic membrane module's stability.

Description

Assembled inorganic membrane component

Technical Field

The utility model relates to an assembled inorganic membrane component, which is suitable for the fine separation processes of filtration, refining, concentration and the like in the industries of environmental protection water treatment, biology, medicine, chemical industry, new materials, food, beverage and the like, and takes into account the economical efficiency of the organic membrane component and the stability of the inorganic membrane component.

Background

Due to the economical efficiency of the organic membrane component and the stability of the inorganic membrane component, the organic membrane component and the inorganic membrane component are widely applied to the fine separation processes of filtration, refining, concentration and the like in the industries of environmental water treatment, biology, medicine, chemical industry, new materials, food, beverage and the like, so as to obtain higher separation precision and production efficiency. However, the disadvantages of these two membrane modules remain quite evident:

1. the main defects of the organic membrane component are derived from poor stability of organic polymer materials, mainly manifested by poor tolerance in the aspects of high temperature, high pressure, strong acid and alkali, organic solvents, oxidation reduction and the like, low filtration flux, poor regeneration recovery effect, short service life and waste in the overall replacement of the membrane core.

2. The defects of the inorganic membrane component are caused by poor economy, the manufacturing cost of the main surface is high, the filling density is low, the occupied area is large, and the energy consumption for operation is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides an to above-mentioned defect, provide an inorganic membrane module of pin-connected panel.

For the purpose of realizing taking into account organic membrane subassembly economic nature and inorganic membrane subassembly stability, the utility model adopts the following technical scheme:

an assembled inorganic membrane component comprises a stock solution inlet, an end enclosure, a sealing ring, a guide plate, a sealing element, a membrane element, a filtrate outlet, a membrane shell, a backflushing inlet and a concentrated solution outlet. After the membrane elements are assembled into a membrane block, the membrane block is packaged in the membrane shell through the sealing piece and the guide plate, the membrane shell is assembled with the seal head and the seal ring to form the assembly, feed liquid to be filtered enters the assembly through the stock solution inlet and flows out of the assembly through the concentrated solution outlet, filtrate obtained by filtering is discharged out of the assembly through the filtrate outlet, and clear liquid enters the assembly through the backflushing inlet during backflushing.

Furthermore, the number of the end sockets is 1 at each of two ends of the assembly, the external shape of the cross section of the end socket is circular, oval or polygonal, and the end socket is made of metal materials or non-metal materials.

Furthermore, the number of the guide plates at two ends of the assembly is 1 respectively, the external shape of the cross section of each guide plate is circular, oval or polygonal, and the guide plates are made of metal or nonmetal.

Furthermore, the number of the sealing elements is 1 at each end of the assembly, the external shape of the cross section of the sealing elements is circular, oval or polygonal, the sealing elements are made of rubber or cured adhesive, and the sealing elements can be separated or not separated from the membrane shell and the membrane element after being packaged.

The membrane element is made of inorganic materials, the materials are any one of silicates, metal oxides, silicon carbide, graphene and metals, and the outer shape of the cross section of the membrane element is circular, oval, polygonal or fan-shaped.

Further, the number of the membrane elements is 1 or a plurality of membrane elements are arranged in parallel.

Further, the cross section of the membrane block after the membrane element is assembled is approximately circular, or approximately elliptical, or approximately polygonal.

Furthermore, the cross section of the flow channel of the membrane element is circular, oval, polygonal or fan-shaped, the diameter of the flow channel of the membrane element is 0.4-8.0mm, the separation precision of the membrane element is 1nm-1000nm, and the operating pressure of the membrane element is 0.01-1.5 MPa.

Furthermore, the outer shape of the cross section of the membrane shell is circular, oval or polygonal, and the material of the membrane shell is a metal material or a non-metal material.

Further, the functions of the stock solution inlet and the concentrated solution outlet can be interchanged, and the functions of the filtrate outlet and the backflushing inlet can be interchanged.

The utility model discloses compromise organic membrane module economic nature and inorganic membrane module stability, have following advantage:

1. the tolerance is good, and the adaptability to conditions such as high temperature, high pressure, strong acid and alkali, organic solvents, redox and the like is good.

2. The packing density is high, the filtering efficiency is high, and the economical efficiency is good.

3. High separation precision, stable quality of filtrate, strong shock resistance and wide application range.

4. High mechanical strength and high reliability.

5. The installation is simple, and the membrane is traded in a flexible way, and the dimension is protected conveniently.

Drawings

Fig. 1 is an exploded schematic view of a built-up inorganic membrane module.

Fig. 2 is a schematic cross-sectional view of the membrane element of the present invention spliced into a membrane block.

FIG. 3 is another schematic cross-sectional view of the membrane element of the present invention being spliced into a membrane block

Description of reference numerals:

1: a stock solution inlet; 2: sealing the end; 3: a seal ring; 4: a baffle; 5: a seal member; 6: a membrane element; 7: a filtrate outlet; 8: a membrane shell; 9: a backflushing inlet; 10: and (4) a concentrated solution outlet.

Detailed Description

In order to make the technical means and application features of the present invention more comprehensible, the following description is given with reference to specific examples.

Example 1

As shown in fig. 1 and 2, 8 different membrane elements 6 having a polygonal cross-sectional outer shape were spliced to form a cylindrical membrane block having a diameter of approximately 200mm in a cross-sectional approximately circular shape and a cylinder length of 1016 mm. 5 rows of circular flow channels are distributed on 6 pieces of each membrane element, the diameter of each flow channel is 2.5mm, the separation membrane layer is coated on the inner wall of each flow channel, and the separation precision is 50 nm. A2.5 mm gap is reserved between every two membrane elements 6 and used as a water production and back flushing channel, so that the membrane passing resistance is reduced, and the water production and back flushing efficiency is improved.

The film elements 6 are spliced by epoxy resin, and the sealing length of two ends is about 50 mm. Meanwhile, the membrane block is packaged with the membrane shell 8 by adopting epoxy resin, and then the seal head 2 and the seal ring 3 are assembled to form an assembly. After the encapsulation is finished, the water inlet (concentrated water) side and the water production (back flushing) side of the membrane module are separated, and the membrane element 6 and the membrane shell 8 form an inseparable whole. When the membrane replacement operation is performed during use, the membrane element 6 and the membrane housing 8 need to be replaced integrally.

The membrane module is vertically installed, the lower port of the module is a stock solution inlet 1, the upper port of the module is a concentrated solution outlet 10, the upper port of the module is a filtrate outlet 7, and the lower port of the module is a backflushing inlet 9.

Example 2

As shown in fig. 1 and 3, 6 identical membrane elements 6 having a polygonal cross-sectional outer shape were spliced to form a square column-shaped membrane block having approximately square cross-sectional sides of about 200mm and a column length of 1200 mm. 5 rows of circular flow channels are distributed on each membrane element 6, the diameter of each flow channel is 2.5mm, the separation membrane layer is coated on the inner wall of each flow channel, and the separation precision is 50 nm. A2.5 mm gap is reserved between every two membrane elements 6 and used as a water production and back flushing channel, so that the membrane passing resistance is reduced, and the water production and back flushing efficiency is improved.

The membrane elements 6 are spliced by adopting the integrated rubber sealing element 5, and the sealing length of two ends is about 50 mm. Meanwhile, the membrane element 6 is packaged with the membrane shell 8 through the guide plate 4 by the integrated rubber sealing element 5, and then the seal head 2 and the seal ring 3 are assembled to form an assembly. After the encapsulation is finished, the water inlet (concentrated water) side and the water production (back flushing) side of the membrane module are separated, and the membrane element 6 and the membrane shell 8 can be separated according to requirements. When the membrane replacing operation is carried out in the using process, part or all of the membrane elements 6 can be replaced according to the requirement.

The membrane module is vertically installed, the upper port of the module is a stock solution inlet 1, the lower port of the module is a concentrated solution outlet 10, and the module is provided with only 1 side port and is used as a filtrate outlet 7 and a backflushing inlet 9.

The working principle of the present invention is further explained as follows:

the assembled inorganic membrane module in example 1 was used to purify drinking water. The process of 'dead end filtration + timed backflushing' is adopted: after pretreatment, the stock solution enters the membrane module from the stock solution inlet 1 under the action of a water inlet pump for filtration, the concentrated solution outlet 10 of the module is closed at the moment, after the dead-end filtration is operated for a period of time, the concentrated solution outlet 10 of the module is opened for pollution discharge, after the pollution discharge is finished, the back flushing is carried out, after the back flushing is finished, the concentrated solution outlet 10 is closed, and the filtration is continued. The filtration pressure in this example is 0.5-2bar,the back flushing period is 0.5-2h, the back flushing time is 10-30s, and the average filtering flux is more than 200L/m²h, the water yield is more than 95 percent, the CIP chemical cleaning period is 20 to 60 days, and the time is about 0.5 to 2 hours.

Finally, the description is as follows: the above embodiments are some, but not all embodiments of the present invention, and are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention; therefore, although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the relevant art that the present invention may be modified and equivalents may be substituted; all other embodiments and modifications which do not depart from the spirit and scope of the present invention will become apparent to those skilled in the art from the following detailed description, which is intended to be covered by the appended claims.

Claims

1. An assembled inorganic membrane component is characterized in that: including stoste import (1), head (2), sealing washer (3), guide plate (4), sealing member (5), membrane element (6), filtrate export (7), membrane shell (8), recoil import (9) and dense liquid export (10), after membrane element (6) assemble into the membrane piece, pass through sealing member (5) with guide plate (4) encapsulate in within membrane shell (8), membrane shell (8) reassembly form behind head (2), sealing washer (3) the subassembly, treat to filter the feed liquid by stoste import (1) gets into the subassembly, and by dense liquid export (10) flow out the subassembly, filter the filtrating that obtains by filtrate export (7) are discharged the subassembly, clear liquid then during the recoil by recoil import (9) get into the subassembly.

2. The assembled inorganic membrane module of claim 1, wherein: the two ends of the seal head (2) of the component are respectively 1, the external shape of the cross section of the seal head is circular or polygonal, and the seal head is made of metal materials or non-metal materials.

3. The assembled inorganic membrane module of claim 1, wherein: the number of the guide plates (4) is 1 at each end of the assembly, the external shape of the cross section of each guide plate is circular or polygonal, and the guide plates are made of metal or nonmetal.

4. The assembled inorganic membrane module of claim 1, wherein: the number of the sealing elements (5) is 1 at each end of the assembly, the outer shape of the cross section of the sealing elements is circular or polygonal, the sealing elements are made of rubber or cured adhesive, and the sealing elements can be separated or not separated from the membrane shell (8) and the membrane elements (6) after being packaged.

5. The assembled inorganic membrane module of claim 1, wherein: the membrane element (6) is made of inorganic materials, the materials are any one of silicates, metal oxides, silicon carbide, graphene and metals, and the outer shape of the cross section of the membrane element (6) is circular, polygonal or fan-shaped.

6. The assembled inorganic membrane module of claim 1, wherein: the membrane elements (6) are 1 or a plurality of membrane elements arranged in parallel.

7. The assembled inorganic membrane module of claim 1, wherein: the cross section of the membrane block assembled by the membrane elements (6) is approximately circular or approximately polygonal.

8. The assembled inorganic membrane module of claim 1, wherein: the cross section of the flow channel of the membrane element (6) is circular, polygonal or fan-shaped, the diameter of the flow channel of the membrane element (6) is 0.4-8.0mm, the separation precision of the membrane element (6) is 1nm-1000nm, and the operating pressure of the membrane element (6) is 0.01-1.5 MPa.

9. The assembled inorganic membrane module of claim 1, wherein: the outer shape of the cross section of the membrane shell (8) is circular or polygonal, and the material is a metal material or a non-metal material.

10. The assembled inorganic membrane module of claim 1, wherein: the functions of the stock solution inlet (1) and the concentrated solution outlet (10) can be interchanged, and the functions of the filtrate outlet (7) and the backflushing inlet (9) can be interchanged.