CN214167493U

CN214167493U - Biological osmotic pressure desalination equipment

Info

Publication number: CN214167493U
Application number: CN202023335267.6U
Authority: CN
Inventors: 杨青青; 圣亚春
Original assignee: Beijing Haina Shuiling Technology Co ltd
Current assignee: Beijing Haina Shuiling Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-10
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a biological osmotic pressure desalination equipment, including the cell body, the lateral wall of cell body bottom is provided with the water inlet, be provided with out the mud mouth on the lateral wall relative with the water inlet of cell body bottom, the lateral wall at cell body top is provided with the delivery port, be provided with the processing case in the cell body, be provided with the desalination subassembly that is used for reducing salt concentration in the concentrate in the processing case, the desalination subassembly includes and arranges a plurality of layers of microbial film that sets up in the processing case along the direction of height, a plurality of water hole of crossing has been seted up respectively to the upper and lower wall of processing case. It can be convenient for reduce the salinity concentration that the membrane was intake to reduce the effect of concentrate salinity concentration.

Description

Biological osmotic pressure desalination equipment

Technical Field

The application relates to the technical field of sewage purification, in particular to biological osmotic pressure desalting equipment.

Background

The domestic waste incineration power plant, the domestic waste sanitary landfill and the waste transfer station can generate waste penetrating fluid.

The core process of the current landfill leachate treatment is pretreatment, biochemical treatment and advanced treatment, the advanced treatment mainly adopts a membrane technology, the landfill leachate is treated by applying ultrafiltration, nanofiltration and reverse osmosis membrane technologies, the nanofiltration and reverse osmosis membrane technologies can generate a large amount of concentrated solution when the landfill leachate is treated by the landfill leachate, the raw water salinity (TDS) of the landfill leachate is about 20000-. At present, salt treatment is a difficult problem of garbage penetrating fluid treatment, the service life of the membrane can be greatly reduced due to overhigh salt content, the operation cost of a system is increased, and a large amount of concentrated solution cannot be completely consumed in a factory.

SUMMERY OF THE UTILITY MODEL

In order to facilitate reducing the salinity concentration that the membrane was intake to reduce the salinity concentration of concentrate, this application provides a biological osmotic pressure desalination equipment.

The application provides a biological osmotic pressure desalination equipment adopts following technical scheme:

the utility model provides a biological osmotic pressure desalination equipment, includes the cell body, the lateral wall of cell body bottom is provided with the water inlet, be provided with the mud outlet on the relative lateral wall of cell body bottom and water inlet, the lateral wall at cell body top is provided with the delivery port, be provided with the processing case in the cell body, be provided with the desalination subassembly that is arranged in reducing the concentrate in the processing case and divides the concentration, the desalination subassembly includes and arranges a plurality of layers of microbial film that sets up in the processing case along the direction of height, a plurality of water hole of crossing has been seted up respectively to the upper and lower wall of processing case.

Through adopting above-mentioned technical scheme, set up a plurality of layers of microbial film in the processing case, a large amount of microbes are attached to the microbial film, the setting of microbial film can increase the microbial biomass of unit volume, salinity in the sewage is attached to the microbial surface, the microbes enter into the mud surface, mud that produces in the cell body is outside the mud mouth discharge cell body through gravity, and then outside messenger's salinity discharge cell body, this cell body cooperation microorganism from this, most salinity is got rid of at biochemical section, the salinity concentration of membrane intake has been reduced, and then reduce the salinity concentration of concentrate.

The present application may be further configured in a preferred example to: the tank body is internally provided with a stirring device at the position below the treatment tank, and the stirring device comprises a stirring shaft which is symmetrically and rotatably arranged in the tank body, stirring blades which are fixedly arranged on the stirring shaft, and a driving assembly which is used for driving the two stirring shafts to rotate simultaneously.

Through adopting above-mentioned technical scheme, adopt drive assembly, make two (mixing) shafts rotate in the below position department of handling the case, the (mixing) shaft takes stirring vane to stir the sewage in the cell body when the pivoted to it is even to make the sewage in the cell body can distribute, thereby is favorable to sewage and microbial effective area of contact, improves the treatment effeciency of cell body.

The present application may be further configured in a preferred example to: the lateral wall position department of cell body bottom has set firmly the mount table, the mount table has seted up the rotation hole on the one side of cell body lateral wall of keeping away from, the one end of (mixing) shaft stretches into to the rotation of mount table downthehole and with rotate the hole rotation and be connected.

Through adopting above-mentioned technical scheme, the mount table that adopts extra increase is used for supporting the (mixing) shaft, makes the rotation that the (mixing) shaft can be stable in the cell body.

The present application may be further configured in a preferred example to: the two stirring shafts are respectively positioned at two sides of the vertical center line of the tank body, the stirring shafts are obliquely arranged, and one ends, far away from the mounting table, of the stirring shafts are close to the vertical center line of the tank body.

Through adopting above-mentioned technical scheme, adopt two (mixing) shaft symmetry slopes to set up in the cell body, the (mixing) shaft is in the pivoted time, can cover most region in the cell body, further improves sewage evenly distributed's in the cell body effect.

The present application may be further configured in a preferred example to: the below position department that is located the treatment box in the cell body has set firmly the installation cover, one side that the mount table was kept away from to the (mixing) shaft runs through the lateral wall of installation cover and extends to in the installation cover, the (mixing) shaft rotates with the installation cover to be connected, drive assembly including set firmly on the (mixing) shaft and be located the installation cover driven bevel gear, set firmly driving motor on the cell body outer wall, set firmly on driving motor's output shaft and run through the cell body outer wall and extend to the driving shaft in the installation cover and set firmly the initiative bevel gear on the driving shaft, initiative bevel gear meshes with two epaxial driven bevel gears of stirring and is connected.

Through adopting above-mentioned technical scheme, driving motor's output shaft provides pivoted power for the driving shaft, makes the driving shaft rotate in the cell body, and the driving shaft area initiative bevel gear rotation in the installation cover, and two driven bevel gear rotations of meshing simultaneously through initiative bevel gear to two (mixing) shafts of simultaneous control stir simultaneously in the cell body, can adopt two (mixing) shafts of a power supply simultaneous control to rotate from this, can reduce the input cost of power supply.

The present application may be further configured in a preferred example to: a plurality of connecting rods are fixedly arranged between the side wall of the mounting cover and the inner wall of the tank body and are distributed around the circumferential direction of the mounting cover.

Through adopting above-mentioned technical scheme, adopt the connecting rod can be with the stable fixed mounting of installation cover in the pond to realize that the installation cover supports the (mixing) shaft, improve the stability of (mixing) shaft.

The present application may be further configured in a preferred example to: the pond body is located the top position department of handling the case and is provided with the mixer in, the mixer is including setting firmly in the power motor of cell body outer wall, setting firmly on power motor's output shaft and extend to the axis of rotation in the pond body and set firmly in the epaxial stirring vane of stirring of axis of rotation.

Through adopting above-mentioned technical scheme, stir blade in the top position department of handling the case through the axis of rotation area, make the sewage that handles case top position department can evenly distributed.

The present application may be further configured in a preferred example to: the manhole that communicates its inside is seted up to the lateral wall of cell body, the cell body is provided with sealed apron in the position department of manhole.

By adopting the technical scheme, the manhole is arranged, and equipment in the square urinal body can be overhauled in time when the equipment fails.

The present application may be further configured in a preferred example to: the stirring blade is in a flat elliptic shape.

Through adopting above-mentioned technical scheme, set up stirring vane into the ellipse of platykurtic, increased the area of contact to sewage on the one hand in the stirring, on the other hand stirring vane is in the in-process of stirring, is favorable to reducing sewage to stirring vane's resistance.

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

1. the method comprises the following steps that a plurality of layers of microbial membranes are arranged in a treatment box, a large number of microorganisms are attached to the microbial membranes, the microbial membranes can increase the microbial biomass of unit volume, salt in sewage is attached to the surfaces of the microorganisms, the microorganisms enter the surfaces of sludge, the sludge generated in a tank body is discharged out of the tank body from a sludge outlet through gravity, and then the salt is discharged out of the tank body, so that most of the salt is removed by the cooperation of the tank body and the microorganisms in a biochemical section, the salt concentration of membrane inlet water is reduced, and further the salt concentration of concentrated solution is reduced;

2. the output shaft of driving motor provides pivoted power for the driving shaft, makes the driving shaft rotate in the cell body, and the driving shaft area initiative bevel gear rotation in the installation cover, rotates through two driven bevel gear of initiative bevel gear meshing simultaneously to two (mixing) shafts of simultaneous control stir simultaneously in the cell body, can adopt two (mixing) shaft rotations of a power supply simultaneous control from this, can reduce the input cost of power supply.

Drawings

FIG. 1 is a schematic structural diagram of a bio-osmotic desalination apparatus according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a pool body; 11. a water inlet; 12. a water outlet; 13. a sludge outlet; 14. sealing the cover plate; 2. a treatment tank; 21. water passing holes; 3. a microbial membrane; 41. a stirring shaft; 42. a stirring blade; 431. a driven bevel gear; 432. a drive bevel gear; 433. a drive shaft; 434. a drive motor; 5. an installation table; 51. rotating the hole; 6. mounting a cover; 61. a via hole; 7. a connecting rod; 8. a blender; 81. agitating the blades; 82. a power motor; 83. and rotating the shaft.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses biological osmotic pressure desalination equipment, refer to FIG. 1, including cell body 1, water inlet 11 has been seted up to the lateral wall of cell body 1 bottom, and delivery port 12 has been seted up to the lateral wall at cell body 1 top, and water inlet 11 and delivery port 12 are located cell body 1 respectively on the relative both sides. A sludge outlet 13 is arranged on the side wall of the bottom of the tank body 1, and the sludge outlet 13 and the water outlet 12 are positioned on the same side.

Referring to fig. 2, a treatment tank 2 is fixedly arranged in the tank body 1, a gap is reserved between the top of the treatment tank 2 and the inner top wall of the tank body 1, and a gap is reserved between the bottom of the treatment tank 2 and the inner bottom wall of the tank body 1. Be provided with the desalination subassembly in handling case 2, the desalination subassembly includes biofilm 3, and biofilm 3 sets up to the multilayer, and multilayer biofilm 3 sets up along the direction of height align to grid who handles case 2. A plurality of water holes 21 are uniformly arranged on the bottom wall and the top wall of the treatment box 2.

Referring to fig. 1 and 2, sewage enters the treatment tank 2 from the position of the water holes 21 at the bottom of the treatment tank 2 and contacts with microorganisms on the microbial membrane 3, salts in the sewage are adsorbed by the microorganisms, the microorganisms after the salts are adsorbed enter the surface of sludge, the sludge generated in the tank body 1 is discharged out of the tank body 1 from the sludge outlet 13 through gravity, and then the salts are discharged out of the tank body 1.

Referring to fig. 2, a stirring device is arranged between the bottom of the treatment tank 2 and the inner bottom wall of the tank body 1, the stirring device comprises two stirring shafts 41 and stirring blades 42, the two stirring shafts 41 are both located at the central position of the tank body 1, the two stirring shafts 41 are symmetrically arranged about the vertical central line of the tank body 1, the stirring shafts 41 are obliquely and upwardly arranged, one end of each stirring shaft 41 extends towards the position where the side wall of the tank body 1 is connected with the bottom wall of the tank body, and the other end of each stirring shaft 41 extends towards the vertical central line of the tank body 1. Stirring vane 42 sets up to the oval of platykurtic, and stirring vane 42 fixed connection is on (mixing) shaft 41, and stirring vane 42 on same (mixing) shaft 41 sets up two, and two stirring vane 42 are around the axis symmetric distribution setting of (mixing) shaft 41. The stirring shafts 41 are controlled to enable the two stirring shafts 41 to rotate in the tank body 1, and the stirring shafts 41 drive the stirring blades 42 to stir in the tank body 1.

Referring to fig. 2, the installation platforms 5 are respectively and fixedly arranged at the opposite side wall positions at the bottom of the tank body 1, the two installation platforms 5 and the two stirring shafts 41 are arranged in a one-to-one correspondence manner, one side of the installation platform 5 facing the stirring shaft 41 is arranged to be an inclined plane, and the stirring shaft 41 is arranged perpendicular to the inclined plane of the installation platform 5. The inclined plane of mount table 5 is seted up and is rotated hole 51, rotates the inclined plane of the axis perpendicular to mount table 5 in hole 51, rotates hole 51 and (mixing) shaft 41 looks adaptation, and the (mixing) shaft 41 is close to one end cover of mount table 5 and is located rotation hole 51 and is connected with mount table 5 rotation.

Referring to fig. 2 and 3, an installation cover 6 is arranged between the bottom of the treatment tank 2 and the inner bottom wall of the tank body 1, the bottom of the installation cover 6 is arranged in an open mode, a connecting rod 7 is fixedly arranged between four side walls of the installation cover 6 and the opposite side walls of the tank body 1 respectively, the connecting rod 7 is horizontally arranged, and one end of the connecting rod 7 is fixedly connected with the side walls of the installation cover 6, and the other end of the connecting rod is fixedly connected with the side walls of the tank body 1.

Referring to fig. 1 and 3, the stirring apparatus further includes a driving assembly, the driving assembly includes two driven bevel gears 431, two driving bevel gears 432, a driving shaft 433, and a driving motor 434, and the two driven bevel gears 431 are disposed in one-to-one correspondence with the two stirring shafts 41.

Referring to fig. 2 and 3, through holes 61 are respectively formed in two opposite side walls of the installation cover 6, the through holes 61 are matched with the stirring shaft 41, one end, far away from the installation table 5, of the stirring shaft 41 penetrates through the through holes 61 and extends into the installation cover 6, the stirring shaft 41 is rotatably connected with the installation cover 6, and the driven bevel gear 431 is located in the installation cover 6 and is fixedly connected to the stirring shaft 41. The driving bevel gear 432 is positioned in the mounting cover 6 and between the two driven bevel gears 431, and the driving bevel gear 432 is meshed with the driven bevel gears 431 on the two stirring shafts 41 at the same time.

Referring to fig. 1 and 3, the driving motor 434 is fixedly connected to the outer side wall of the tank body 1, an output shaft of the driving motor 434 is fixedly connected to a driving shaft 433, the driving shaft 433 is coaxial with the output shaft of the driving motor 434, the output shaft of the driving shaft 433, which is far away from the driving motor 434, sequentially penetrates through the side wall of the tank body 1 and the side wall of the installation cover 6 and then extends into the installation cover 6, the end part of the driving shaft 433, which is located in the installation cover 6, is fixedly connected to the driving bevel gear 432, and the driving shaft 433 is coaxial with the driving bevel gear 432. The driving shaft 433 is controlled to rotate by the driving motor 434, the driving shaft 433 drives the driving bevel gear 432 to rotate, and the driving bevel gear 432 is simultaneously meshed with the two driven bevel gears 431 to rotate, so that the two stirring shafts 41 can synchronously stir.

Referring to fig. 2, be provided with mixer 8 between the top of the interior roof of cell body 1 and treatment tank 2, mixer 8 is located the homonymy with the delivery port 12 of cell body 1, mixer 8 includes motor power 82, axis of rotation 83 and stirring vane 81, motor power 82 fixed connection is on the lateral wall of cell body 1, the one end of axis of rotation 83 and motor power 82's output shaft fixed connection and both coaxial line set up, the other end of axis of rotation 83 runs through and extends to in the cell body 1 behind the cell body 1 lateral wall. The stirring blades 81 are formed in a flat elliptical shape, the stirring blades 81 are fixedly attached to the rotating shaft 83, two stirring blades 81 are provided on the same rotating shaft 83, and the two stirring blades 81 are symmetrically arranged about the axis of the rotating shaft 83.

Referring to fig. 1, a manhole communicated with the inside of the tank body 1 is formed in the side wall of the tank body 1, and a sealing cover plate 14 is arranged at the manhole of the tank body 1.

The implementation principle of the embodiment is as follows: sewage enters the tank body 1 from the water inlet 11 of the tank body 1, the driving motor 434 is started, the output shaft of the driving motor 434 drives the driving shaft 433 to rotate, the driving shaft 433 drives the driving bevel gear 432 to simultaneously engage with the two driven bevel gears 431 to rotate, the two driven bevel gears 431 respectively drive the respective stirring shafts 41 to rotate so that the stirring blades 42 rotate in the tank body 1, so that the sewage below the treatment tank 2 can be uniformly distributed, the uniformly distributed sewage enters the microbial membrane 3 of the treatment tank 2, the salt in the sewage is adsorbed by the microbes on the microbial membrane 3, the microbes enter the surface of the sludge, the sludge generated in the tank body 1 is discharged out of the tank body 1 from the sludge outlet 13 through gravity, and then the salt is discharged out of the tank body 1, therefore, the tank body 1 is matched with the microbes, most of the salt is removed in a biochemical section, and the salt concentration of the membrane inlet water is reduced, thereby reducing the salt concentration of the concentrated solution.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the 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 biological osmotic pressure desalination equipment, includes cell body (1), its characterized in that: the lateral wall of cell body (1) bottom is provided with water inlet (11), be provided with on the relative lateral wall of cell body (1) bottom and water inlet (11) mud outlet (13), the lateral wall at cell body (1) top is provided with delivery port (12), be provided with in cell body (1) and handle case (2), it is provided with the desalination subassembly that is arranged in reducing the concentrate in the case (2) to handle, the desalination subassembly includes and arranges a plurality of layers of microbial film (3) that set up in handling case (2) along the direction of height, a plurality of water hole (21) of crossing has been seted up respectively to the upper and lower wall of handling case (2).

2. The bio-osmotic desalination apparatus of claim 1, further comprising: the pond body (1) is located the below position department of handling case (2) and is provided with agitating unit, agitating unit including symmetry rotate set up in pond body (1) in (41), set firmly stirring vane (42) on (41) and be used for making two (41) of (41) pivoted drive assembly simultaneously.

3. The bio-osmotic desalination apparatus of claim 2, wherein: the utility model discloses a pond body, including cell body (1), mounting table (5) have been set firmly in the lateral wall position department of cell body (1) bottom, rotation hole (51) have been seted up on one side that mounting table (5) deviates from cell body (1) lateral wall, the one end of (mixing) shaft (41) stretches into in rotation hole (51) to mounting table (5) and rotates with rotation hole (51) and be connected.

4. The bio-osmotic desalination apparatus of claim 3, wherein: the two stirring shafts (41) are respectively positioned at two sides of the vertical central line of the tank body (1), the stirring shafts (41) are obliquely arranged, and one ends, far away from the mounting table (5), of the stirring shafts (41) are close to the vertical central line of the tank body (1).

5. The bio-osmotic desalination apparatus of claim 4, wherein: the utility model discloses a pond body, including the mounting cover (6), the mounting cover (6) is connected with the output shaft of cell body (434), drive assembly including set firmly driven bevel gear (431) on (mixing) shaft (41) and lie in mounting cover (6), set firmly driving motor (434) on cell body (1) outer wall, set firmly driving bevel gear (432) on the output shaft of driving motor (434) and run through cell body (1) outer wall and extend to driving shaft (433) in mounting cover (6) and set firmly driving bevel gear (432) on driving shaft (433), driven bevel gear (431) mesh connection on driving bevel gear (432) and two (mixing) shafts (41) has set firmly in the below position department that lies in treatment box (2) in cell body (1), one side that mounting table (5) was kept away from in (mixing) shaft (41) runs through the lateral wall of mounting cover (6) and extends to in mounting cover (6).

6. The apparatus according to claim 5, wherein: a plurality of connecting rods (7) are fixedly arranged between the side wall of the mounting cover (6) and the inner wall of the tank body (1), and the connecting rods (7) are distributed around the circumferential direction of the mounting cover (6).

7. The bio-osmotic desalination apparatus of claim 2, wherein: the treatment device is characterized in that a stirrer (8) is arranged at the position above the treatment box (2) in the tank body (1), and the stirrer (8) comprises a power motor (82) fixedly arranged on the outer wall of the tank body (1), a rotating shaft (83) fixedly arranged on an output shaft of the power motor (82) and extending into the tank body (1), and stirring blades (81) fixedly arranged on the rotating shaft (83).

8. The bio-osmotic desalination apparatus of claim 1, further comprising: the manhole that communicates its inside is seted up to the lateral wall of cell body (1), cell body (1) is provided with sealed apron (14) in the position department of manhole.

9. The bio-osmotic desalination apparatus of claim 2, wherein: the stirring blade (42) is provided in a flat elliptical shape.