CN215249937U

CN215249937U - Multistage nanofiltration device

Info

Publication number: CN215249937U
Application number: CN202120815593.2U
Authority: CN
Inventors: 姚宏燚; 姚双开; 成辛
Original assignee: Tianer Biomedical Hubei Co ltd
Current assignee: Tianer Biomedical Hubei Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-21
Anticipated expiration: 2031-04-20

Abstract

The utility model relates to a multi-stage nanofiltration device, which comprises a nanofiltration structure, a cleaning structure and a recovery structure; a cleaning structure is arranged inside the nanofiltration structure, and a recovery structure is arranged inside the nanofiltration structure; the nanofiltration structure comprises a box body, wherein a filter box is fixedly connected to the inner side of the box body, a first water pump is fixedly connected to the upper surface of the filter box, a PP filter layer is fixedly connected to the inner side of the filter box, and an activated carbon filter layer is fixedly connected to the inner side of the filter box. This multistage nanofiltration device can clear away impurity such as particulate matter in the water and silt, and the two-layer filtration membrane layer that receives that the rethread was received inside the setting of filter box is received and is strained the water after just filtering, can avoid receiving the condition emergence that the filtration membrane layer blockked up, prevents that too much impurity from damaging and receiving the filter screen, and the mobility of water obtains improving under agitating unit's rotation effect simultaneously to improve the effect of receiving and strain and the filterable work efficiency of water.

Description

Multistage nanofiltration device

Technical Field

The utility model relates to a technical field of biological reaction equipment, concretely relates to multistage nanofiltration device.

Background

Nanofiltration is a pressure-driven membrane separation process between reverse osmosis and ultrafiltration, the pore size of the nanofiltration membrane layer is about several nanometers, and compared with other pressure-driven membrane separation processes, the nanofiltration is used for separating substances with small relative molecular mass, such as inorganic salts, glucose, HE sucrose and other small molecular organic substances, from a solvent, and the nanofiltration is also called low-pressure reverse osmosis, and is a new field of membrane separation technology, the separation performance of the nanofiltration is between reverse osmosis and ultrafiltration, and some inorganic salts and some solvents are allowed to permeate through the membrane, so that the separation effect is achieved.

The existing nanofiltration device for filtering water is only provided with a first-stage nanofiltration layer, the filtering effect is not good, the existing nanofiltration device is only provided with a first-stage nanofiltration membrane layer, the existing nanofiltration device is easily blocked by particle impurities, silt and the like in water, the work efficiency of water filtration is reduced, the excessive impurities easily damage the nanofiltration membrane, and the nanofiltration device cannot be normally used.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a multistage nanofiltration device, solved current nanofiltration device and only be provided with the one-level and receive the filter effect of existence not good and easily by the jam problems such as particle impurity and silt of aquatic.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a multi-stage nanofiltration device comprises a nanofiltration structure, a cleaning structure and a recovery structure; a cleaning structure is arranged inside the nanofiltration structure, and a recovery structure is arranged inside the nanofiltration structure; the nanofiltration structure comprises a box body, wherein a filter box is fixedly connected to the inner side of the box body, a first water pump is fixedly connected to the upper surface of the filter box, a PP filter layer is fixedly connected to the inner side of the filter box, and an activated carbon filter layer is fixedly connected to the inner side of the filter box.

Further, two filter receiving boxes are fixedly connected to the rear side wall of the box body, two filter receiving film layers are fixedly connected to the inner sides of the filter receiving boxes, and two stirring devices are fixedly mounted on the left sides of the filter receiving boxes.

Further, the clearance structure includes first fixed plate, the last fixed surface of first fixed plate is connected with first motor, the inboard fixedly connected with dead lever of rose box.

Further, the inboard of rose box is rotated and is connected with the threaded rod, the carriage release lever has been cup jointed between the threaded rod and the dead lever outside, the left side fixedly connected with collection tank of box, the last fixed surface of collection tank is connected with the V-arrangement pipe.

Further, retrieve the structure and include first calandria, right side two L venturi tubes of right side fixedly connected with of receiving the filter box, the right side fixedly connected with second fixed plate of box.

Further, the upper surface of the second fixing plate is fixedly connected with a second water pump, and the right side of the second water pump is fixedly connected with a recovery pipe.

Further, the left side fixedly connected with of first water pump runs through the box and extends to the inlet tube in the box outside, the right side fixedly connected with of first water pump and the outlet pipe that the rose box is linked together.

Furthermore, the fixedly connected with of inlet tube is located the first solenoid valve in the box outside, the right side fixedly connected with of first water pump is linked together with the outlet pipe that the rose box is linked together.

Furthermore, the upper surface of the active carbon filter layer is in contact with the bottom of the PP filter layer, and the bottom of the filter box is fixedly connected with two first connecting pipes.

Further, the top of the stirring device is positioned above the nanofiltration membrane layer on the upper surface, and the bottom of the stirring device is positioned between the two nanofiltration membrane layers.

The technical scheme of the utility model possess following beneficial effect:

1. this multistage nanofiltration device can clear away impurity such as particulate matter in the water and silt through the rose box, and the inside two-layer of setting of rethread nanofiltration box is received the filtration rete and is received the water after just filtering, can avoid receiving the circumstances emergence that the filtration rete blockked up, prevents that too much impurity from damaging and receiving the filter screen, and the mobility of water obtains improving under agitating unit's rotation effect simultaneously to improve the effect of receiving and strain and the filterable work efficiency of water.

2. This multistage nanofiltration device can clear up the large-scale impurity on the inside PP filter layer of rose box through clearance structure, prevents that the rose box from being blockked up by impurity, reduces the filtration efficiency of water, can retrieve the inside remaining water of nanofiltration box through retrieving the structure, avoids causing the waste, can take out the impurity of former aquatic in the lump simultaneously and avoid receiving the filter membrane to block up layer upon layer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the nanofiltration tank of the utility model;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

100 nanofiltration structures, 101 box bodies, 102 filter tanks, 103 first water pumps, 104PP filter layers, 105 activated carbon filter layers, 106 nanofiltration tanks, 107 nanofiltration membrane layers, 108 stirring devices, 200 cleaning structures, 201 first fixing plates, 202 first motors, 203 fixing rods, 204 threaded rods, 205 moving rods, 206V-shaped tubes, 207 collecting tanks, 300 recovery structures, 301 first drainage tubes, 302L-shaped tubes, 303 second fixing plates, 304 second water pumps and 305 recovery tubes.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Referring to fig. 1-3, a multi-stage nanofiltration device in the present embodiment includes a nanofiltration structure 100, a cleaning structure 200, and a recovery structure 300; nanofiltration structure 100's inside fixed mounting has clearance structure 200, nanofiltration structure 100's inside fixed mounting has recovery structure 300, wherein, filtration structure 100 carries out the nanofiltration work to the water, can avoid simultaneously that nanofiltration membrane layer 107 is blockked up, improve nanofiltration efficiency, clearance structure 200 clears up the inside filter layer of nanofiltration structure 100, avoid taking place the condition of blockking up, recovery structure 300 can retrieve the inside remaining water of nanofiltration structure 100, avoid the waste of water resource.

It should be noted that the nanofiltration structure 100 in this embodiment is not only a structure for nanofiltration of a water body, but also a structure for primary filtration of a water body.

As shown in fig. 1-2, the nanofiltration structure 100 in this embodiment includes a filtration tank 102 fixedly connected to the inner side of a tank 101, a first water pump 103 fixedly connected to the upper surface of the filtration tank 102, a PP filtration layer 104 fixedly connected to the inner side of the filtration tank 102, an activated carbon filtration layer 105 fixedly connected to the inner side of the filtration tank 102, two nanofiltration tanks 106 fixedly connected to the rear sidewall of the tank 101, two nanofiltration membrane layers 107 fixedly connected to the inner side of the nanofiltration tank 106, and two stirring devices 108 fixedly mounted to the left side of the nanofiltration tank 106, wherein a water inlet pipe penetrating through the tank 101 and extending to the outer side of the tank 101 is fixedly connected to the left side of the first water pump 103, the first water inlet pipe is communicated with an external pipeline, a first electromagnetic valve located at the outer side of the tank 101 is fixedly connected to the upper surface of the water inlet pipe, a water outlet pipe communicated with the filtration tank 102 is fixedly connected to the right side of the first water pump 103, the upper surface of the activated carbon filter layer 105 is in contact with the bottom of the PP filter layer 104, the top stirring device 108 is located above the nanofiltration membrane layer 107 on the upper surface, and the bottom stirring device 108 is located between the two nanofiltration membrane layers 107.

For the stable progress of water nanofiltration work, two first connecting pipes of bottom fixedly connected with of rose box 102 in this embodiment, two first connecting pipes are linked together with two and receive filter box 106 respectively, two bottom fixedly connected with second connecting pipes of receiving filter box 106, and the outside fixedly connected with of two second connecting pipes is located and receives the inside sealing washer of filter box 106, fixedly connected with third connecting pipe between the bottom of two second connecting pipes, the right-hand member of third connecting pipe runs through box 101 and is linked together with external pipeline, and the last fixed surface of third connecting pipe is connected with and is located the inside second solenoid valve of box 101.

It should be noted that, in order to improve the nanofiltration effect of the multistage nanofiltration device, the stirring device 108 in this embodiment includes a fixed base, a second motor, a rotating rod and a stirring sheet, the inboard fixedly connected with second motor of the fixed base, the second motor output end runs through the nanofiltration tank 106 and with the rotating rod fixed connection, three stirring vane groups of the outside fixedly connected with of the rotating rod constitute, wherein, a set of stirring vane group comprises the rotor plate that three annular distributions outside the rotating rod, the right-hand member of the rotating rod and the inboard fixed connection of the bearing of the right side wall fixed connection of the nanofiltration tank 106.

In addition, in order to facilitate observation by workers, a first observation window is fitted in the front surface of the filter box 102 and a second observation window is fitted in the front surface of the nanofiltration box 106 in the present embodiment.

The cleaning structure 200 in this embodiment is for satisfying the requirements for the device for performing the filtering structure inside the filtering tank 102.

As shown in fig. 1-2, the cleaning structure 200 of this embodiment comprises a first fixing plate 201, a first motor 202 fixedly connected to the upper surface of the first fixing plate 201, a fixing rod 203 fixedly connected to the inner side of the filter tank 102, a threaded rod 204 rotatably connected to the inner side of the filter tank 102, a movable rod 205 sleeved between the threaded rod 204 and the outer side of the fixing rod 203, a collecting tank 207 fixedly connected to the left side of the tank body 101, a V-shaped pipe 206 fixedly connected to the upper surface of the collecting tank 207, the fixing rod 203 is located above the threaded rod 204, the threaded rod 204 is located above the PP filter layer 104, the left end of the threaded rod 204 penetrates through the moving rod 205 and is fixedly connected with the inner side of a bearing fixedly connected with the right side wall of the filter box 102, the output end of the first motor 202 sequentially penetrates through the box body 101 and the filter box 102 and is fixedly connected with the right end of the threaded rod 204, and the left side of the first fixing plate 201 is fixedly connected with the right side of the box body 101.

It should be noted that in this embodiment, a cleaning brush is fixedly mounted at the bottom of the moving rod 205, the bottom of the cleaning brush contacts with the upper surface of the PP filter layer 104, one end of the V-shaped pipe 206 away from the collecting tank 207 penetrates through the box body 101 and communicates with the filter tank 102, and one end of the V-shaped pipe 206 away from the collecting tank 207 is inclined upward.

The recovery structure 300 in the present embodiment is a device for satisfying the requirement of recovering the water remaining inside the nanofiltration structure 100.

As shown in fig. 1 to 3, the recycling structure 300 in this embodiment includes a first water discharging pipe 301, two L-shaped pipes 302 are fixedly connected to the right side of the right filter accommodating tank 106, a second fixing plate 303 is fixedly connected to the right side of the tank 101, a second water pump 304 is fixedly connected to the upper surface of the second fixing plate 303, a recycling pipe 305 is fixedly connected to the right side of the second water pump 304, wherein the right end of the recycling pipe 305 is communicated with an external pipeline, the second water pump 304 is located below the first fixing plate 201, the left end of the first water discharging pipe 301 is communicated with the right side of the left filter accommodating tank 106, the right end of the first water discharging pipe 301 is communicated with the left side of the right filter accommodating tank 106, a second water discharging pipe penetrating through the second fixing plate 303 is fixedly connected to the bottom of the second water pump 304, and one end of the two L-shaped pipes 302, which is far away from the water pump 304, is connected to the second water discharging pipe.

The working principle of the above embodiment is as follows:

(1) open first solenoid valve, start first water pump 103, first water pump 103 sends into the raw water in the rose box 102, filtration through PP filter layer 104 and active carbon filter layer 105, get rid of tiny particle impurity such as silt, rust, algae in the raw water, the condition that can avoid receiving filter layer 107 to block up takes place, prevent that too much impurity from damaging and receiving the filter screen, the raw water through primary filtration enters into the rose box 106 through first connecting pipe and passes through the filtration of two-layer receiving filter layer 107, the effect of receiving filtration is improved, start agitating unit 108 simultaneously, agitating unit 108 drives the inside water of receiving filter box 106 and rotates, the flow of raw water is accelerated, thereby improve receiving filtration effect and work efficiency, the water that receives the filtration sends out through second connecting pipe and third connecting pipe, simultaneously can control the business turn over of water through the second solenoid valve.

(2) Start first motor 202, first motor 202 drives threaded rod 204 and rotates, under the screw thread rotary thrust effect and the dead lever 203 limiting displacement of threaded rod 204, it removes about driving carriage release lever 205, make the cleaning brush clear up the remaining impurity of PP filter layer 104 upper surface, send into the holding vessel 207 through V-arrangement pipe 206, prevent that PP filter layer 104 from being blockked up, reduce filterable efficiency, start second water pump 304, second water pump 304 is through first drain pipe 301, L venturi tube 302 and second drain pipe take two inside remaining raw waters of receiving filter tank 106 out, rethread recovery tube 305 is retrieved, avoid the water waste, can take impurity in the raw water out simultaneously and avoid receiving filter membrane layer 107 in the lump and being blockked up.

Compared with the prior art: can clear away impurity such as particulate matter and silt in the water through rose box 102, the inside two-layer of setting of rethread nanofiltration box 106 is received and is strained the water after just filtering the layer 107 and receive and strain, can avoid receiving the condition emergence that strains the layer 107 and block up, prevent that too much impurity from damaging and receiving the filter screen, the mobility of water obtains improving under agitating unit 108's rotation effect simultaneously, thereby improve the effect of receiving and strain the filterable work efficiency of water, rethread clearance structure 200 can be cleared up the large-scale impurity on the inside PP filter layer 104 of rose box 102, prevent that rose box 102 from being blockked up by impurity, reduce the filtration efficiency of water, can retrieve the inside remaining water of nanofiltration box 106 through recovery structure 300, avoid causing the waste, simultaneously can take out the impurity in the raw water in the lump and avoid receiving the filter membrane layer 107 layer by layer.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The multi-stage nanofiltration device is characterized by comprising a nanofiltration structure (100), a cleaning structure (200) and a recovery structure (300);

a cleaning structure (200) is arranged inside the nanofiltration structure (100), and a recovery structure (300) is arranged inside the nanofiltration structure (100);

the nanofiltration structure (100) comprises a box body (101), wherein a filter box (102) is fixedly connected to the inner side of the box body (101), a first water pump (103) is fixedly connected to the upper surface of the filter box (102), a PP filter layer (104) is fixedly connected to the inner side of the filter box (102), and an activated carbon filter layer (105) is fixedly connected to the inner side of the filter box (102).

2. The multi-stage nanofiltration device according to claim 1, wherein two nanofiltration tanks (106) are fixedly connected to the rear side wall of the tank body (101), two nanofiltration membrane layers (107) are fixedly connected to the inner sides of the nanofiltration tanks (106), and two stirring devices (108) are fixedly mounted on the left sides of the nanofiltration tanks (106).

3. The multi-stage nanofiltration device according to claim 1, wherein the cleaning structure (200) comprises a first fixing plate (201), a first motor (202) is fixedly connected to the upper surface of the first fixing plate (201), and a fixing rod (203) is fixedly connected to the inner side of the filtration tank (102).

4. The multi-stage nanofiltration device according to claim 3, wherein a threaded rod (204) is rotatably connected to the inner side of the filtration tank (102), a movable rod (205) is sleeved between the threaded rod (204) and the outer side of the fixed rod (203), a collection tank (207) is fixedly connected to the left side of the tank body (101), and a V-shaped pipe (206) is fixedly connected to the upper surface of the collection tank (207).

5. The multi-stage nanofiltration device according to claim 2, wherein the recovery structure (300) comprises a first drainage pipe (301), two L-shaped pipes (302) are fixedly connected to the right side of the right nanofiltration tank (106), and a second fixing plate (303) is fixedly connected to the right side of the tank body (101).

6. The multi-stage nanofiltration device according to claim 5, wherein a second water pump (304) is fixedly connected to the upper surface of the second fixing plate (303), and a recovery pipe (305) is fixedly connected to the right side of the second water pump (304).

7. The multi-stage nanofiltration device according to claim 1, wherein a water inlet pipe penetrating through the tank (101) and extending to the outside of the tank (101) is fixedly connected to the left side of the first water pump (103), and a water outlet pipe communicated with the filtration tank (102) is fixedly connected to the right side of the first water pump (103).

8. The multi-stage nanofiltration device according to claim 7, wherein the water inlet pipe is fixedly connected with a first electromagnetic valve positioned outside the box body (101), and the right side of the first water pump (103) is fixedly connected with a water outlet pipe communicated with the filter tank (102).

9. The multi-stage nanofiltration device according to claim 1, wherein the upper surface of the activated carbon filtration layer (105) is in contact with the bottom of the PP filtration layer (104), and two first connection pipes are fixedly connected to the bottom of the filter tank (102).

10. Multi-stage nanofiltration device according to claim 2, wherein the top agitation device (108) is located above the upper nanofiltration membrane layer (107) and the bottom agitation device (108) is located between the two nanofiltration membrane layers (107).