CN114682094A

CN114682094A - Back-osmosis treatment device of dialysis equipment for nephrology department

Info

Publication number: CN114682094A
Application number: CN202210327407.XA
Authority: CN
Inventors: 卜泉东; 栾弘; 张伟
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-01
Anticipated expiration: 2042-03-31
Also published as: CN114682094B

Abstract

The invention discloses a reverse osmosis treatment device of dialysis equipment for nephrology department, which relates to the technical field of dialysis equipment and solves the problem of low utilization efficiency of reverse osmosis membranes, and comprises a shell, wherein a central water collecting pipe is arranged in the shell, a coiled reverse osmosis membrane is fixed on the outer side of the central water collecting pipe, connecting seats are inserted in the inner sides of two ends of the shell in a threaded manner, the inner sides of the connecting seats are rotatably connected with the outer side of the central water collecting pipe through bearings, the outer side of the central water collecting pipe is provided with a permeation hole for membrane permeation, two ends of the shell are rotatably sleeved with adjusting sleeves, the adjusting sleeves are fixed with the outer end of the central water collecting pipe through a fixing frame, an anti-blocking mechanism for cleaning and anti-blocking of the reverse osmosis membrane is arranged between the two adjusting sleeves, two ends of the shell are respectively communicated with a liquid inlet pipe and a liquid outlet pipe, and a liquid outlet piece is arranged in the liquid outlet pipe, the reverse osmosis treatment device realizes the expansion of the outer end of the reverse osmosis membrane and the removal of crystal impurities on the reverse osmosis membrane, the service life of the reverse osmosis membrane is prolonged.

Description

Back-osmosis treatment device of dialysis equipment for nephrology department

Technical Field

The invention relates to the technical field of dialysis equipment, in particular to a reverse osmosis treatment device of dialysis equipment for nephrology department.

Background

Reverse osmosis, also known as reverse osmosis, is a membrane separation operation that uses a pressure differential as a driving force to separate a solvent from a solution. Pressure is applied to the feed solution on one side of the membrane and when the pressure exceeds its osmotic pressure, the solvent will reverse osmosis against the natural osmotic direction.

The dialysis device is operated with ultrapure water, which is purified using a reverse osmosis device in order to be able to supply ultrapure water.

At present, when the dialysis equipment is used for purifying ultrapure water, quartz sand and active carbon are generally used for primarily filtering water, then the filtered water source is subjected to reverse osmosis filtration through a reverse osmosis membrane to reduce the concentration of undesirable substances in the pure water, the existing osmosis membrane is usually a winding drum type membrane, water is fed from an end cover, then filtering through a reverse osmosis membrane coiled inside, finally leading the pure water into a central pipe in the middle for discharging, however, the reverse osmosis membrane can adsorb impurities in water in the using process, so that the impurities remain crystals on the surface of the reverse osmosis membrane, the residual impurities are too much, the reverse osmosis membrane is blocked, the water seepage amount is influenced, due to the design of the coil, after the outer side of the reverse osmosis membrane is blocked, the inner layer needs to be replaced no matter whether the inner layer is blocked or not, so that the reverse osmosis membrane is not used completely, and for this reason, a reverse osmosis treatment device of dialysis equipment for nephrology department is provided.

Disclosure of Invention

The invention aims to provide a reverse osmosis treatment device of dialysis equipment for nephrology department, which can automatically clean a reverse osmosis membrane to prolong the service life of the reverse osmosis membrane. To solve the problems set forth in the background art described above.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dialysis equipment's for nephrology dept treatment device, includes the shell, be equipped with central water collecting pipe in the shell, just the central water collecting pipe outside is fixed with the reverse osmosis membrane of lapping, the inboard equal screw thread in shell both ends is pegged graft and is had the connecting seat, just the connecting seat inboard pass through the bearing with the central water collecting pipe outside is rotated and is connected, open in the central water collecting pipe outside has the infiltration hole that is used for the infiltration of membrane to permeate water, the shell both ends are all rotated the cover and are had the adjusting collar, just the adjusting collar pass through the mount with central water collecting pipe external fixation, two install between the adjusting collar and be used for the clean anti-clogging mechanism who prevents blockking up of reverse osmosis membrane, the shell both ends communicate respectively has feed liquor pipe and drain pipe, just install out the liquid spare in the drain pipe.

Preferably, the anti-blocking mechanism comprises a rotating semi-circular rod, two ends of the rotating semi-circular rod respectively rotate to penetrate through two connecting seats, a linkage gear is fixed at the outer end of the rotating semi-circular rod, a fixed semi-circular rod is attached to the outer side of the rotating semi-circular rod, two ends of the fixed semi-circular rod are fixed to the rotating semi-circular rod through bolts, the rotating semi-circular rod and the fixed semi-circular rod are clamped with the outer end of the reverse osmosis membrane, two ends of the rotating semi-circular rod are respectively and slidably sleeved with a supporting frame fixed to the inner wall of the shell, a cleaning assembly used for scraping the outer side of the reverse osmosis membrane is installed between the two supporting frames, tooth-shaped rings meshed with the linkage gear are fixed to the inner sides of the two connecting seats, a driving piece is installed in one of the connecting seats, and impurities blocked on the reverse osmosis membrane can be removed through the anti-blocking mechanism, the permeation efficiency of the reverse osmosis membrane is improved.

Preferably, clean subassembly runs through two including rotating the clean pole of support frame outer end, clean pole outer end install with the shake piece that the profile of tooth ring contacted, just clean pole outside equidistance is fixed with a plurality of shake boards, realizes the cleaing away of reverse osmosis membrane outside impurity through clean subassembly.

Preferably, the shake piece is including fixing the connection platform of clean pole outer end, connect the platform outside be fixed with the tooth shape ring engaged with contact protrusion, just it has the arc pole to slide the grafting in the contact protrusion, the arc pole both ends all be fixed with the connecting rod that the link is fixed mutually, arc pole outside cover has and is used for the propelling movement the reset spring that the contact protrusion resets makes the shake board shake through the shake piece, beats reverse osmosis membrane, improves impurity and gets rid of efficiency.

Preferably, the driving part comprises a driving motor fixed on the connecting seat through a motor frame, a driving gear meshed with the toothed ring is fixed at the output end of the driving motor, and the driving part provides power to enable the adjusting sleeve to rotate.

Preferably, two the support frame outer end all is fixed with the connecting plate, just the equidistance is pegged graft in the connecting plate and is had a plurality of slide bars, and is a plurality of the slide bar outside is fixed with the scraper blade, and is a plurality of the slide bar outside all overlaps and is used for the propelling movement spring of scraper blade realizes scraping the reverse osmosis membrane in the rotation semicircle pole outside through the scraper blade of design for the absorbent impurity in the outside is got rid of.

Preferably, the liquid outlet part comprises two abutting rings fixed in the liquid outlet pipe, a piston rod is installed in the liquid outlet pipe, the piston end of the piston rod is located between the two abutting rings, a rotating cap is inserted into the outer end of the liquid outlet pipe in a threaded manner, an extrusion spring which abuts against the rotating cap and the piston rod is installed in the liquid outlet pipe, a plurality of liquid outlets are formed in the liquid outlet pipe and correspond to the two abutting rings, and liquid discharge of the liquid outlets can be controlled through the liquid outlet part.

Preferably, the sealing sleeves are mounted at the inserting ends of the rotating semi-circular rod and the connecting seat, at the inserting ends of the cleaning rod and the connecting seat and the attaching end of the central water collecting pipe, and the shell is made of transparent materials, so that the sealing performance is improved, and the permeation effect is better.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the existing connection mode of the reverse osmosis membrane is optimized, the inner end of the reverse osmosis membrane is fixed with the central water collecting pipe, the outer end of the reverse osmosis membrane is fixed with the rotating semi-circular rod, and the anti-blocking mechanism is matched to realize the unfolding of the outer end of the reverse osmosis membrane and the removal of crystallized impurities on the outer end of the reverse osmosis membrane, so that the service life of the reverse osmosis membrane is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional structural schematic of the present invention;

FIG. 3 is a schematic view of the butt joint structure of the central water collecting pipe and the reverse osmosis membrane of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a cross-sectional top view of the present invention;

FIG. 6 is an enlarged view of FIG. 5 at B;

FIG. 7 is a schematic view of the connection between the connecting base and the adjusting sleeve according to the present invention;

FIG. 8 is a schematic view of the internal structure of the adjusting sleeve of the present invention;

FIG. 9 is an enlarged view at C of FIG. 8;

FIG. 10 is a schematic view of a liquid outlet member according to the present invention.

In the figure: 1-a housing; 2-central water collecting pipe; 3-a reverse osmosis membrane; 4-a connecting seat; 5-adjusting sleeve; 6-anti-blocking mechanism; 7-a liquid inlet pipe; 8-a liquid outlet pipe; 9-liquid outlet; 10-rotating the semi-circular rod; 11-a linkage gear; 12-fixing the semi-circular rod; 13-a support frame; 14-a cleaning assembly; 15-a toothed ring; 16-a drive member; 17-a cleaning rod; 18-a shaking member; 19-shaking the board; 20-a connection table; 21-contact bumps; 22-an arc-shaped rod; 23-a connecting rod; 24-a return spring; 25-a drive motor; 26-a drive gear; 27-a connecting plate; 28-a slide bar; 29-a scraper; 30-a push spring; 31-a retaining ring; 32-a piston rod; 33-turning the cap; 34-a compression spring; 35-a liquid outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, a reverse osmosis treatment device of dialysis equipment for nephrology department in the figure includes a housing 1, a central water collecting pipe 2 is arranged in the housing 1, a coiled reverse osmosis membrane 3 is fixed on the outer side of the central water collecting pipe 2, connecting seats 4 are inserted in the inner sides of the two ends of the housing 1 through threads, the inner sides of the connecting seats 4 are rotatably connected with the outer side of the central water collecting pipe 2 through bearings, the outer side of the central water collecting pipe 2 is provided with a permeating hole for permeating water into the membrane, adjusting sleeves 5 are rotatably sleeved on the two ends of the housing 1, the adjusting sleeves 5 are fixed with the outer end of the central water collecting pipe 2 through a fixing frame, an anti-blocking mechanism 6 for cleaning and blocking the reverse osmosis membrane 3 is installed between the two adjusting sleeves 5, the two ends of the housing 1 are respectively communicated with a liquid inlet pipe 7 and a liquid outlet pipe 8, and a liquid outlet piece 9 is installed in the liquid outlet pipe 8.

It should be noted that: in this scheme, the shell 1 middle part outside is passed through current parts such as screw mounting panel and is installed in the dislysate feed system in the dialysis equipment, and 2 both ends butt joint pure water of central water collecting pipe insert the pipe, and 7 butt joint former water feed pipes of feed liquor pipe have put the waste water tank in the 8 bottoms of drain pipe.

In this embodiment, please refer to fig. 4-6, the anti-blocking mechanism 6 shown in the figure includes a rotating semi-circular rod 10, two ends of the rotating semi-circular rod 10 respectively rotate to penetrate through two connecting seats 4, the outer end of the rotating semi-circular rod 10 is fixed with a linkage gear 11, the outer side of the rotating semi-circular rod 10 is attached with a fixed semi-circular rod 12, two ends of the fixed semi-circular rod 12 are fixed with the rotating semi-circular rod 10 through bolts, the rotating semi-circular rod 10 and the fixed semi-circular rod 12 are clamped with the outer end of a reverse osmosis membrane 3, two ends of the rotating semi-circular rod 10 are slidably sleeved with supporting frames 13 fixed with the inner wall of the housing 1, a cleaning component 14 for scraping the outer side of the reverse osmosis membrane 3 is installed between the two supporting frames 13, the inner sides of the two connecting seats 4 are fixed with toothed rings 15 engaged with the linkage gear 11, and a driving component 16 is installed in one of the connecting seats 4.

It should be noted that, the clamping of the outer end of the reverse osmosis membrane 3 is realized by rotating the semicircular rod 10 and fixing the semicircular rod 12 to clamp each other, and then the linkage gear 11 at the outer end of the fixing semicircular rod 12 is in meshed transmission with the toothed ring 15, so that the driving piece 16 drives the toothed ring 15 to rotate, the fixing semicircular rod 12 is driven to rotate, the reverse osmosis membrane 3 is wound, the unfolded reverse osmosis membrane 3 is cleaned through the cleaning component 14, and the service life of the reverse osmosis membrane is prolonged.

Referring to fig. 4-6 and 9, the cleaning assembly 14 includes a cleaning rod 17 rotatably extending through the outer ends of the two support frames 13, a shaking member 18 contacting the tooth ring 15 is mounted at the outer end of the cleaning rod 17, and a plurality of shaking plates 19 are fixed at equal intervals outside the cleaning rod 17.

Meanwhile, the shaking piece 18 comprises a connecting table 20 fixed at the outer end of the cleaning rod 17, a contact bulge 21 meshed with the toothed ring 15 is fixed on the outer side of the connecting table 20, an arc-shaped rod 22 is inserted in the contact bulge 21 in a sliding mode, two ends of the arc-shaped rod 22 are fixed with connecting rods 23 fixed with the connecting base 4, and a return spring 24 used for pushing the contact bulge 21 to reset is sleeved on the outer side of the arc-shaped rod 22.

It is worth noting that: through the rotation of the toothed ring 15, the contact protrusion 21 is driven to deviate, when the contact protrusion 21 is separated from the tooth groove of the toothed ring 15, the contact protrusion 21 can be pushed to reset through the reset spring 24, primary shaking is realized, then the contact protrusion is in butt joint rotation with the tooth groove again after resetting, and the shaking is realized in a circulating reciprocating manner.

The shaking plate 19 is attached to the outer side of the reverse osmosis membrane 3, so that the shaking plate 19 is driven to shake by the shaking tool 18, and the clogging on the reverse osmosis membrane 3 is shaken off.

In addition, referring to fig. 8, the driving member 16 shown in the figure includes a driving motor 25 fixed on the connecting base 4 through a motor frame, and a driving gear 26 engaged with the toothed ring 15 is fixed at the output end of the driving motor 25;

it should be noted that: the driving gear 26 is rotated by the power supplied from the driving motor 25, so that the toothed ring 15 follows the rotation, i.e., the interlocking gear 11 is rotated.

It is worth noting that: in order to improve the sealing performance of the butt joint, sealing sleeves are respectively arranged at the insertion end of the rotating semi-circular rod 10 and the connecting seat 4, the insertion end of the cleaning rod 17 and the connecting seat 4 and the joint end of the connecting seat 4 and the central water collecting pipe 2, and the shell 1 is made of transparent materials.

The principle of cleaning the outer side of the reverse osmosis membrane 3 to prolong the service life of the reverse osmosis membrane; firstly, a person installs a reverse osmosis membrane 3 with a central water collecting pipe 2 according to the figure, then the person injects raw water through a liquid inlet pipe 7, so that the raw water is in a shell 1, the raw water enters the central water collecting pipe 2 through the reverse osmosis membrane 3 under the action of water pressure and is discharged through two ends of the central water collecting pipe 2, after the water is used for a period of time, because the raw water firstly permeates through the outer side of the reverse osmosis membrane 3, the residual impurities on the outer side are too much, the subsequent permeation is influenced, at the moment, a driving motor 25 rotates to drive a driving gear 26 and a toothed ring 15 to rotate, an adjusting sleeve 5 rotates, the central water collecting pipe 2 rotates in a linkage way through a fixed frame, when a linkage gear 11 rotates, a semi-circular rod 10 is rotated to wind the outer end of the reverse osmosis membrane 3, and simultaneously, a contact bulge 21 is driven by the toothed ring 15, so that a multi-point shaking plate 19 shakes the outer side of the reverse osmosis membrane 3, the shaking-off of the blockage is realized.

In the scheme, the drive motor 25 is preferably Y80M1-2 in model, a power supply interface of the motor is connected with a power supply system through a switch, a motor operation circuit is a normal and reverse rotation control program of a conventional motor, the circuit operates as the conventional circuit, circuits and control related in the scheme are the prior art, and redundant description is not repeated herein.

Example 2

Referring to fig. 4-6, in this embodiment, for further description of embodiment 1, the outer ends of two supporting frames 13 in the figure are fixed with connecting plates 27, a plurality of sliding rods 28 are inserted into the connecting plates 27 at equal intervals, scrapers 29 are fixed on the outer sides of the plurality of sliding rods 28, and pushing springs 30 for pushing the scrapers 29 are sleeved on the outer sides of the plurality of sliding rods 28.

It is worth noting that: when rotating semicircle pole 10 pivoted, can make reverse osmosis membrane 3 twine in its outside, after its winding lapping, laminate mutually in the outside through scraper blade 29 and reverse osmosis membrane 3, realize striking off the impurity of outside adhesion, improve the clean effect to it, push spring 30's effect simultaneously can make scraper blade 29 satisfy flexible, can improve the extrusion force in the reverse osmosis membrane 3 outside simultaneously for strike off cleaner.

Example 3

Referring to fig. 7, 8 and 10, in this embodiment, for further explanation of other embodiments, the liquid outlet member 9 in the drawings includes two abutting rings 31 fixed in the liquid outlet pipe 8, a piston rod 32 is installed in the liquid outlet pipe 8, a piston end of the piston rod 32 is located between the two abutting rings 31, a rotating cap 33 is inserted in a thread at an outer end of the liquid outlet pipe 8, a pressing spring 34 abutting against the rotating cap 33 and the piston rod 32 is installed in the liquid outlet pipe 8, and a plurality of liquid outlets 35 are formed on the liquid outlet pipe 8 corresponding to between the two abutting rings 31.

It should be noted that: increase the back at reverse osmosis membrane 3 plug, after liquid inlet pipe 7 continues to dash into the raw water, can make shell 1 internal water pressure increase, at this moment, reverse osmosis membrane 3 can reduce the infiltration owing to blockking up, can make raw water extrusion piston rod 32, thereby propelling movement piston rod 32 moves outward, make the raw water pass through liquid outlet 35 and discharge, through observing the water yield, when the volume is big, thereby can learn that reverse osmosis membrane 3 has the jam, can control driving piece 16 this moment and clean reverse osmosis membrane 3, later personnel rotate and rotate cap 33 to make it offset to ring 31, improve extrusion spring 34's elasticity, if later when also having big water discharge, then need change reverse osmosis membrane 3, when little water discharge, only need clean once more, improvement reverse osmosis membrane 3's that can be very big life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reverse osmosis treatment device of dialysis equipment for nephrology department is characterized by comprising:

a shell (1), a central water collecting pipe (2) is arranged in the shell (1), a coiled reverse osmosis membrane (3) is fixed on the outer side of the central water collecting pipe (2), connecting seats (4) are inserted in the inner sides of the two ends of the shell (1) in a threaded manner, and the inner side of the connecting seat (4) is rotationally connected with the outer side of the central water collecting pipe (2) through a bearing, the outer side of the central water collecting pipe (2) is provided with a seepage hole for permeating water into the membrane, two ends of the shell (1) are rotatably sleeved with adjusting sleeves (5), the adjusting sleeves (5) are fixed with the outer end of the central water collecting pipe (2) through a fixing frame, an anti-blocking mechanism (6) for cleaning and blocking prevention of the reverse osmosis membrane (3) is arranged between the two adjusting sleeves (5), the liquid inlet pipe (7) and the liquid outlet pipe (8) are respectively communicated with two ends of the shell (1), and a liquid outlet piece (9) is installed in the liquid outlet pipe (8).

2. The reverse osmosis treatment device of dialysis equipment for nephrology department according to claim 1, wherein: the anti-blocking mechanism (6) comprises a rotating semi-circular rod (10), the two ends of the rotating semi-circular rod (10) are respectively rotated to penetrate through two connecting seats (4), linkage gears (11) are fixed to the outer ends of the rotating semi-circular rod (10), a fixed semi-circular rod (12) is attached to the outer side of the rotating semi-circular rod (10), the two ends of the fixed semi-circular rod (12) are fixed to the rotating semi-circular rod (10) through bolts, the rotating semi-circular rod (10) and the fixed semi-circular rod (12) are clamped to the outer end of the reverse osmosis membrane (3), supporting frames (13) fixed to the inner wall of the shell (1) are sleeved at the two ends of the rotating semi-circular rod (10) in a sliding mode, cleaning assemblies (14) used for scraping the outer side of the reverse osmosis membrane (3) are installed between the two supporting frames (13), tooth-shaped rings (15) meshed with the linkage gears (11) are fixed to the inner side of the connecting seats (4), and a driving piece (16) is arranged in one of the connecting seats (4).

3. The reverse osmosis treatment device of dialysis equipment for nephrology department according to claim 2, wherein: clean subassembly (14) run through two including rotating clean pole (17) of support frame (13) outer end, clean pole (17) outer end install with tooth ring (15) contact tremble and move piece (18), just clean pole (17) outside equidistance is fixed with a plurality of trembles board (19).

4. The reverse osmosis treatment device of dialysis equipment for nephrology department according to claim 3, wherein: tremble and move piece (18) including fixing connection platform (20) of clean pole (17) outer end, connect platform (20) outside be fixed with contact protrusion (21) that tooth ring (15) meshed mutually, just it has arc pole (22) to slide in contact protrusion (21) and peg graft, arc pole (22) both ends all be fixed with connecting rod (23) that connecting seat (4) are fixed mutually, arc pole (22) outside cover has and is used for the propelling movement reset spring (24) that contact protrusion (21) reset.

5. The reverse osmosis treatment device of dialysis equipment for nephrology department according to claim 2, wherein: the driving piece (16) comprises a driving motor (25) fixed on the connecting seat (4) through a motor frame, and a driving gear (26) meshed with the toothed ring (15) is fixed at the output end of the driving motor (25).

6. The reverse osmosis treatment device of dialysis equipment for nephrology department according to claim 3, wherein: the outer ends of the two support frames (13) are respectively fixed with a connecting plate (27), a plurality of sliding rods (28) are inserted into the connecting plate (27) at equal intervals, a scraper (29) is fixed on the outer sides of the sliding rods (28), and a plurality of pushing springs (30) used for pushing the scraper (29) are sleeved on the outer sides of the sliding rods (28).

7. The reverse osmosis treatment device of dialysis equipment for nephrology department according to claim 1, wherein: go out liquid spare (9) including fixing two support rings (31) in drain pipe (8), install piston rod (32) in drain pipe (8), just the piston end of piston rod (32) is located two support between ring (31), drain pipe (8) outer end screw thread is pegged graft and is had rotation cap (33), just install in drain pipe (8) with rotate cap (33) with extrusion spring (34) that piston rod (32) offseted, correspond two on drain pipe (8) it has a plurality of liquid outlets (35) to open between ring (31).

8. The reverse osmosis treatment device of dialysis equipment for nephrology department according to claim 4, wherein: the rotary semi-circular rod (10) and the connecting seat (4) are inserted at the end, the cleaning rod (17) and the connecting seat (4) are inserted at the end, the connecting seat (4) and the central water collecting pipe (2) are attached at the end, seal sleeves are installed at the end, and the shell (1) is made of transparent materials.