CN216358934U

CN216358934U - Nanofiltration membrane element applied to dye production

Info

Publication number: CN216358934U
Application number: CN202122606772.8U
Authority: CN
Inventors: 刘子轩; 刘行; 沈巍华; 刘振国; 祝超; 曾令新
Original assignee: Hubei Color Root Technology Co ltd
Current assignee: Hubei Color Root Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-22
Anticipated expiration: 2031-10-28

Abstract

The application discloses be applied to filter membrane component of receiving of dyestuff production, it includes the shell, receives filter membrane and rubber circle, receive the filter membrane erector in the shell, the both ends of shell are provided with respectively be used for with it is sealed to receive the filter membrane end cover in the shell, just the both ends of shell are the feed liquor end respectively and go out the liquid end, the rubber circle is installed receive on the filter membrane for keep apart the feed liquor end and go out the liquid end, be provided with the filter screen in the shell, the confession has been seted up to the side of shell the filter screen inserts the inside through-hole of shell, just the filter screen is located feed liquor end department, the filter screen with be provided with the locating part between the shell. This application has the effect of filtering impurity in the dyestuff.

Description

Nanofiltration membrane element applied to dye production

Technical Field

The utility model relates to the technical field of nanofiltration membranes, in particular to a nanofiltration membrane element applied to dye production.

Background

Nanofiltration membranes are separation membranes that reject materials of about nanometers in size, typically between 1 and 2nm in pore size. The nanofiltration membrane is widely applied to the fields of water purification, dye purification, concentration, desalination and the like.

The nanofiltration membrane mainly comprises a central tube and a membrane group, wherein a rubber ring is arranged on the outer surface of the nanofiltration membrane, liquid enters the central tube and is discharged after being filtered by the membrane group, the rubber ring mainly plays a role in sealing, and the liquid before and after being filtered is placed to be mixed. When the nanofiltration membrane is used, the nanofiltration membrane is packaged in the shell, and two ends of the shell are connected in a pipeline.

Including the inlet on the nanofiltration membrane, liquid outlet and dense solution export are located same end, the inlet is located the one end that the liquid outlet is relative, when using the nanofiltration membrane to carry out desalination concentration to the dyestuff, at first go into the inlet of nanofiltration membrane with thick liquid through the force pump, the dyestuff molecule is held back, salt and water permeate through the membrane, flow out from the liquid outlet, and the dyestuff after the desalination concentration flows out from the dense solution export, in the process, the salt content in the dyestuff solution reduces, be favorable to improving the color strength.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: the coarse slurry contains some larger impurities, and the blockage of a membrane group is easily caused in the filtering process, so that the filtering of the nanofiltration membrane is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve great impurity jam and receive filter membrane, influence the problem of receiving filter membrane filter effect, the application provides a receive filter membrane component for dyestuff production.

The application provides a be applied to nanofiltration membrane element of dyestuff production adopts following technical scheme:

the utility model provides a be applied to dyestuff production receive filter membrane element, includes the shell, receives filter membrane and rubber circle, receive the filter membrane installation shell, the both ends of shell be provided with respectively be used for with receive the filter membrane sealed end cover in the shell, just the both ends of shell are the feed liquor end respectively and go out the liquid end, the rubber circle is installed receive on the filter membrane for keep apart the feed liquor end and go out the liquid end, be provided with the filter screen in the shell, the confession has been seted up to the side of shell the filter screen inserts the inside through-hole of shell, just the filter screen is located feed liquor end department, the filter screen with be provided with the locating part between the shell.

By adopting the technical scheme, the filter screen mainly has the functions of filtering larger particle impurities in the dye, so that the larger particles are not easy to block the nanofiltration membrane, part of water and salt in the dye can pass through the nanofiltration membrane, and the influence on the desalination and concentration process of the nanofiltration membrane is reduced; the filter screen is installed into the shell from the side to realize connecting under the locating part effect, use the back that needs to be changed when the filter screen, the operator can dismantle the filter screen under the prerequisite of not dismantling the pipeline, thereby be favorable to improving the convenience that the operator changed the filter screen.

Optionally, the limiting part is a sealing ring, and the sealing ring covers the opening of the through hole and is detachably mounted on the outer side of the housing.

Through adopting above-mentioned technical scheme, after in the through-hole was installed into to the filter screen, establish the sealing ring cover on the shell, the sealing ring presses the opening part at the through-hole and makes the filter screen be difficult for breaking away from the shell, easy operation, quick in this connection process.

Optionally, a notch is formed in the sealing ring, two connecting blocks are fixedly connected to two opposite ends of the notch on the sealing ring respectively, and the two connecting blocks are connected through bolts.

Through adopting above-mentioned technical scheme, the breach has been seted up to the sealing ring, and the operator can conveniently install the sealing ring on the shell or dismantle from the shell, has designed threaded connection structure on the sealing ring and has made the operator install or dismantle also very convenient.

Optionally, a sealing gasket is arranged on a side surface of the sealing ring facing the housing.

Through adopting above-mentioned technical scheme, sealed the setting in through-hole department, when the seal ring was fixed the filter screen, sealed the clearance that can plug up between filter screen and the through-hole, reduced the phenomenon that the dyestuff spills from the clearance, increased the leakproofness in the filter screen installation.

Optionally, the inner wall of the shell is provided with a positioning groove, the positioning groove is arranged along the circumferential direction of the shell, and the filter screen is inserted into the positioning groove.

Through adopting above-mentioned technical scheme, the shell inner wall is provided with the constant head tank, and when the filter screen was installed on the shell, the edge of filter screen was pegged graft in the constant head tank, and the constant head tank plays the positioning action for the filter screen installation is more firm, and difficult emergence when the filter screen received the dyestuff and assaults deflects, thereby influences the filtering action.

Optionally, the bottom of the positioning groove is fixedly connected with an elastic rubber pad, and the top end of the elastic rubber pad is abutted to the filter screen.

Through adopting above-mentioned technical scheme, when the filter screen inserted the constant head tank, can extrude the elasticity cushion, when changing the filter screen, open the sealing ring, the filter screen pops out under elasticity cushion spring action this moment to take out the filter screen for the operator and provide the convenience.

Optionally, the locating part includes connecting plate and two fixed plates, the connecting plate with filter screen fixed mounting, the connecting plate is located the outside of shell, two the fixed plate is evenly installed the outside of shell, the connecting plate with the fixed plate butt, just the fixed plate with the connecting plate passes through bolted connection.

Through adopting above-mentioned technical scheme, connecting plate and filter screen are installed together, dismantle the back with the bolt, and the operator can hold between the fingers the connecting plate and dismantle the filter screen from the shell, and the connecting plate provides the convenience for the operator.

Optionally, the sealing gasket is an expansion water stop strip.

Through adopting above-mentioned technical scheme, the inflation can take place the inflation after the inflation sealing rod meets moisture to increase the leakproofness to the clearance.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the filter screen is arranged at the liquid inlet, so that larger particles in the dye are intercepted outside the nanofiltration membrane, then the dye flows into the nanofiltration membrane through the filter screen to be filtered and concentrated, when the filter screen needs to be replaced, an operator can install and detach the filter screen from the side, and the operation is convenient and fast;

2. the sealing gasket is arranged at the gap between the filter screen and the shell, so that the sealing property of the shell is increased, and the dye is not easy to leak in the flowing process;

3. set up the elasticity cushion in the constant head tank, pop out the filter screen from the constant head tank through the elasticity that utilizes the elasticity cushion to be convenient for the operator takes out the filter screen.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic view of the full cross-section structure of fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an exploded view showing the filter screen in example 1.

Fig. 5 is an exploded view showing the filter screen in example 2.

Reference numerals: 1. a housing; 11. a through hole; 12. positioning a groove; 13. a fixing plate; 2. a nanofiltration membrane; 21. a central tube; 211. a liquid outlet; 22. a set of diaphragms; 221. a liquid inlet; 222. a concentrated solution outlet; 3. a rubber ring; 4. a filter screen; 5. a limiting member; 51. a seal ring; 511. connecting blocks; 52. a connecting plate; 521. a fixed block; 6. a gasket; 7. an elastic rubber pad; 8. an end cap; 81. a liquid inlet pipe; 82. a concentrated solution outlet pipe; 83. a liquid outlet pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Example 1:

the embodiment of the application discloses be applied to nanofiltration membrane component of dyestuff production. Referring to fig. 1 and 2, the nanofiltration membrane element applied to dye production comprises a housing 1, an end cover 8, a nanofiltration membrane 2 and a rubber ring 3. Receive filter membrane 2 and be the essential element who plays filtering action, shell 1 is cylindric casing, end cover 8 is two, be used for receiving filter membrane 2 encapsulation in shell 1 and connect whole component on the device of production dyestuff, connect through screw-thread fit between end cover 8 and the shell 1, at first the operator overlaps 3 covers with the rubber circle and establishes the surface at receiving filter membrane 2, then put into shell 1 and encapsulate with

end cover

8, 3 joints of rubber circle are at shell 1 inner wall and receive between filter membrane 2 this moment, divide into two regions with shell 1 inside, make the feed liquor can not mix together with play liquid, be connected with feed liquor pipe 81 on the end cover 8 of feed liquor end, be connected with drain pipe 83 and dense liquid drain pipe 82 on the end cover 8 of play liquid end.

Nanofiltration membrane 2 includes center tube 21, diaphragm group 22, and diaphragm group 22 comprises multilayer diaphragm, and multilayer diaphragm is rolled into cylindricly, and center tube 21 is inserted in diaphragm group 22's center, and the axis of center tube 21 coincides with diaphragm group 22's axis, and bonds between center tube 21 and the diaphragm group 22 together, has seted up a plurality of round holes (not shown in the figure) on the center tube 21, and a plurality of round holes are laid along the equidistant of center tube 21 axis.

The nanofiltration membrane 2 is provided with three inlets and outlets for liquid to flow through, which are respectively positioned at the liquid inlet 221, the liquid outlet 211 and the concentrated liquid outlet 222 are positioned at the same end, and the liquid inlet 221 and the liquid outlet 211 are positioned at two opposite ends; the outlet of the central tube 21 is a liquid outlet 211, the two ends of the nanofiltration membrane 2 are a liquid inlet 221 and a concentrated liquid outlet 222 respectively, the liquid outlet 211 is communicated with a liquid outlet 83, the concentrated liquid outlet 222 is communicated with a concentrated liquid outlet 82, the liquid inlet 221 is communicated with a liquid inlet tube 81, when the dye flows through the nanofiltration membrane 2, salt and water can pass through the membrane set 22 to be filtered and enter the central tube 21 through a round hole, then flow out along the central tube 21, and the rest dye flows out from the concentrated liquid outlet 222, so that the process realizes the desalination and concentration of the dye.

As shown in fig. 2 and 3, in order to filter impurities in the dye, be provided with filter screen 4 between inlet 221 and end cover 8, semicircular through-hole 11 has been seted up to the side of shell 1, and semicircular constant head tank 12 has been seted up to the inner wall of shell 1, filter screen 4 is discoid, and pass through-hole 11 and insert in constant head tank 12, constant head tank 12 plays the positioning action to filter screen 4, make filter screen 4 installation more firm, when dye flows through filter screen 4, filter screen 4 is difficult for taking place the skew, thereby influence the filter effect of filter screen 4.

As shown in fig. 1 and 4, the limiting member 5 is mounted on the outer surface of the housing 1, the limiting member 5 is a sealing ring 51, a notch is formed in the sealing ring 51, two ends of the sealing ring 51 located in the notch are respectively integrally formed with a rectangular connecting block 511, and the notch enables an operator to conveniently mount the sealing ring 51 on the housing 1 or dismount the sealing ring from the housing 1.

For having good leakproofness between making shell 1 and the filter screen 4, the top surface of filter screen 4 just is located through-hole 11 department and installs sealed 6, and sealed 6 of filling up is the inflation sealing rod, can take place the inflation after the inflation sealing rod meets moisture to be favorable to blockking up the clearance between filter screen 4 and the shell 1, reinforcing leakproofness.

After the operator inserts the filter screen 4 into the positioning groove 12, the sealing gasket 6 is installed, the sealing ring 51 covers the through hole 11, and the two connecting blocks 511 are fixed together by using bolts, at this time, the filter screen 4 is fixed in the housing 1, and the installation mode of the sealing ring 51 is simple and easy to operate.

As shown in fig. 3, when the filter net 4 is replaced, in order to increase the convenience of the operator, the elastic rubber pad 7 is adhered to the bottom of the positioning groove 12, when the filter net 4 is inserted into the positioning groove 12, the elastic rubber pad 7 is compressed, and when the sealing ring 51 is detached, the filter net 4 is ejected out of the positioning groove 12 by the elastic rubber pad 7.

The application principle of being applied to nanofiltration membrane component of dyestuff production is: set up filter screen 4 at inlet 221 department, when the dyestuff flows through filter screen 4, impurity is stopped on filter screen 4, and when filter screen 4 needed to be changed, the operator only need dismantle sealing ring 51 get off, then filter screen 4 pops out through-hole 11 under the effect of elastic rubber mat 7 to convenience is provided for the operator.

Example 2:

the difference between the present embodiment and embodiment 1 is that, as shown in fig. 5, the limiting member 5 includes two fixing plates 13 and a connecting plate 52, the connecting plate 52 is arc-shaped, and two fixing blocks 521 are integrally formed at two ends of the connecting plate 52, respectively, the arc-shaped portion of the connecting plate 52 and the filter screen 4 are integrally formed, the two fixing plates 13 are both rectangular and are uniformly arranged on the lateral surface of the outer side, when the filter screen 4 is inserted into the housing 1, the fixing blocks 521 abut against the fixing plates 13, and the two fixing plates are fixedly connected by bolts.

The width of connecting plate 52 is greater than the width of filter screen 4, and the pore wall of through-hole 11 is the echelonment, and sealed 6 is two, and the appearance is the arc, and two sealed 6 install respectively in the ladder department of two pore walls, and when filter screen 4 installed on the shell, the face butt of connecting plate 52 towards shell 1 week side is on sealed 6.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a be applied to nanofiltration membrane component of dyestuff production, includes shell (1), nanofiltration membrane (2) and rubber circle (3), install in shell (1) nanofiltration membrane (2), the both ends of shell (1) are provided with respectively be used for with nanofiltration membrane (2) are sealed end cover (8) in shell (1), just the both ends of shell (1) are the feed liquor end respectively and go out liquid end, install rubber circle (3) on nanofiltration membrane (2) for keep apart feed liquor end and go out liquid end, its characterized in that: be provided with filter screen (4) in shell (1), the confession has been seted up to the side of shell (1) filter screen (4) insert through-hole (11) of shell (1) inside, just filter screen (4) are located the inlet end department, filter screen (4) with be provided with locating part (5) between shell (1).

2. Nanofiltration membrane element for use in dye production according to claim 1, wherein: the locating part (5) is a sealing ring (51), the sealing ring (51) covers the opening of the through hole (11), and is detachably mounted on the outer side of the shell (1).

3. Nanofiltration membrane element for use in dye production according to claim 2, wherein: the sealing ring is characterized in that a notch is formed in the sealing ring (51), two opposite ends of the notch in the sealing ring (51) are fixedly connected with connecting blocks (511) respectively, and the connecting blocks (511) are connected through bolts.

4. Nanofiltration membrane element for use in dye production according to claim 3, wherein: the side surface of the sealing ring (51) facing the shell (1) is provided with a sealing gasket (6).

5. Nanofiltration membrane element for use in dye production according to claim 1, wherein: the filter screen is characterized in that a positioning groove (12) is formed in the inner wall of the shell (1), the positioning groove (12) is formed in the circumferential direction of the shell (1), and the filter screen (4) is inserted into the positioning groove (12).

6. Nanofiltration membrane element for use in dye production according to claim 5, wherein: the bottom of the positioning groove (12) is fixedly connected with an elastic rubber pad (7), and the top end of the elastic rubber pad (7) is abutted against the filter screen (4).

7. Nanofiltration membrane element for use in dye production according to claim 1, wherein: the locating part (5) comprises a connecting plate (52) and two fixing plates (13), the connecting plate (52) is fixedly installed with the filter screen (4), the connecting plate (52) is located on the outer side of the shell (1), the two fixing plates (13) are uniformly installed on the outer side of the shell (1), the connecting plate (52) is abutted to the fixing plates (13), and the fixing plates (13) are connected with the connecting plate (52) through bolts.

8. Nanofiltration membrane element for use in dye production according to claim 4, wherein: the sealing gasket (6) is an expansion water stop strip.