CN212050792U - Large and medium-sized reverse osmosis device - Google Patents
Large and medium-sized reverse osmosis device Download PDFInfo
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- CN212050792U CN212050792U CN202020123760.2U CN202020123760U CN212050792U CN 212050792 U CN212050792 U CN 212050792U CN 202020123760 U CN202020123760 U CN 202020123760U CN 212050792 U CN212050792 U CN 212050792U
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Abstract
A large and medium reverse osmosis device comprises a water storage tank, a drain pipe, a first filter cylinder, an end cover, a liquid inlet cylinder and a semipermeable membrane; a support column is arranged on the lower end surface of the water storage tank; the water storage tank is communicated with the filter tank through a high-pressure pump; the drain pipe is connected with a drain hole on the bottom surface of the water storage tank, and a control valve is arranged on the drain pipe; the bottom surface of the first filter cartridge is provided with a second mounting block; the second mounting block is provided with a first mounting groove; one end of the liquid inlet cylinder is inserted into the first mounting groove in a matching manner, and the peripheral surface of the liquid inlet cylinder is provided with a groove for mounting a plurality of semipermeable membranes; the bottom surface of the groove is provided with a first through hole, and a pressing plate for pressing the semipermeable membrane in the groove is arranged in the groove; a second through hole is formed in the pressing plate; the end cover is connected with the drain pipe, and a second mounting groove is formed in the first mounting block on the inner end face of the end cover; the first filter cylinder is screwed into the end cover, and the other end of the liquid inlet cylinder is inserted into the second mounting groove in a matched mode and tightly presses the bottom surface of the second mounting groove. The utility model discloses sewage purification is effectual and convenient to dismantle semi-permeable membrane.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a large-and-medium-sized reverse osmosis unit.
Background
The principle of reverse osmosis is that under the action of osmotic pressure higher than that of solution, other substances cannot permeate a semipermeable membrane to separate the substances from water, and the membrane pore diameter of the reverse osmosis membrane is very small, so that dissolved salts, colloids, microorganisms, organic matters and the like in water can be effectively removed. At present, a large amount of sewage is generated in the industrial production process, and if industrial wastewater is directly discharged, the environment is greatly damaged, so that a sewage treatment device is required to purify the sewage, and the discharged sewage is prevented from damaging the ecological environment; however, when the existing equipment for sewage treatment by using the semipermeable membrane is replaced, the equipment needs to be shut down, so that the sewage treatment efficiency is greatly reduced, and the existing sewage treatment equipment cannot perform coarse filtration treatment on sewage at low cost so as to remove large-particle impurities contained in the sewage, so that the purification efficiency of the semipermeable membrane is improved; for this reason, a medium-and-large reverse osmosis device is proposed in the present application.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a large and medium-sized reverse osmosis unit, the utility model provides a reverse osmosis unit convenient to use easy operation, it is effectual to sewage purification, still conveniently dismantles the semi-permeable membrane and changes or wash to do not influence the normal operating of equipment.
(II) technical scheme
In order to solve the problems, the utility model provides a large and medium reverse osmosis device, which comprises a filter box, a high-pressure pump, a water storage tank, a drain pipe, a first filter cylinder, an end cover, a liquid inlet cylinder and a semipermeable membrane;
the liquid inlet end of the high-pressure pump is connected with a filter box for storing sewage through a pipeline, and the liquid outlet end of the high-pressure pump is connected with the liquid inlet end of the water storage tank through a pipeline; wherein, a coarse filtering component for coarse filtering of sewage is arranged in the filtering box;
the lower end surface of the water storage tank is provided with a plurality of supporting columns; a plurality of drain holes are uniformly formed in the lower end face of the water storage tank; one end of each of the plurality of drainage pipes is respectively connected with the plurality of drainage holes one by one, wherein each drainage pipe is provided with a control valve;
a first drainage hole is formed in the side end face of the first filter cylinder, and a second mounting block is arranged on the bottom face of the first filter cylinder; a first mounting groove is formed in the end face, facing the opening at the other end of the first filter cylinder, of the second mounting block; the first drainage hole is connected with a drainage pipe used for conveying purified water through a pipeline;
one end of the liquid inlet cylinder is inserted into the first mounting groove in a matching manner, and a plurality of groups of grooves for mounting a plurality of semipermeable membranes are formed in the outer peripheral surface of the liquid inlet cylinder along the central axis direction of the liquid inlet cylinder; the bottom surface of each group of grooves is provided with a plurality of first through holes for communicating the interior of the liquid inlet cylinder, and each group of grooves is internally provided with a pressing plate for pressing the semipermeable membrane in the groove; a plurality of second through holes are uniformly formed in the pressing plate; the second through hole is communicated with the first through hole in sequence;
the end cover is provided with a liquid inlet hole used for being connected with the other end of the drainage pipe, and the inner end surface of the end cover is provided with a first mounting block; a second mounting groove is formed in the end face of the first mounting block; the bottom surface of the second mounting groove is provided with a third through hole for communicating the liquid inlet hole; the first filter cylinder is screwed into the end cover in a threaded manner, and the other end of the liquid inlet cylinder is inserted into the second mounting groove in a matched manner and tightly presses the bottom surface of the second mounting groove; the liquid inlet hole, the third through hole and the liquid inlet cylinder are sequentially communicated.
Preferably, the end face of the liquid inlet cylinder, which is tightly pressed with the second mounting groove, is provided with a first sealing gasket.
Preferably, the liquid inlet cylinder is in threaded fit connection with the first mounting groove.
Preferably, a plurality of fasteners are included; wherein, the bottom surface of the groove is provided with a plurality of threaded blind holes; a plurality of threaded holes are formed in the pressing plate;
the plurality of fastening pieces respectively penetrate through the plurality of threaded holes one by one in a threaded manner and are respectively screwed into the plurality of threaded blind holes one by one in a threaded manner; the pressing plate presses the bottom surface of the groove.
Preferably, the bottom surface of the groove is provided with an annular second sealing gasket; wherein the semi-permeable membrane is located inside the second seal.
Preferably, comprises a sewage draining pipe; wherein, the water storage tank is provided with a first drainage hole;
the liquid inlet pipe mouth of the blow-off pipe is connected with the first liquid discharge hole, and the blow-off pipe is provided with a stop valve.
Preferably, the coarse filter assembly comprises a second filter cartridge and a flange plate; wherein, a clapboard is horizontally arranged in the filter box; the partition plate is used for dividing the interior of the filter box into an upper liquid inlet bin and a lower liquid outlet bin, and is provided with a fifth through hole for connecting the liquid inlet bin and the liquid outlet bin; the liquid discharge end of the liquid outlet bin is connected with the liquid inlet end of the high-pressure pump through a pipeline;
the flange plate is connected with the head along the circumferential direction of the second filter cylinder and is arranged on the outer circumferential surface of the second filter cylinder; the second filter cartridge is inserted into the fifth through hole from the liquid inlet bin to the direction of the liquid outlet bin; the flange plate compresses the partition plate;
the bottom surface of the second filter cartridge is uniformly provided with fourth through holes, and a second quartz sand layer, a first quartz sand layer and a cobble layer are sequentially arranged on the bottom surface of the second filter cartridge along the central axis direction of the second filter cartridge; the diameter value of the particles in the second quartz sand layer is larger than that of the fourth through hole, and the diameter value of the particles in the second quartz sand layer is smaller than that of the particles in the first quartz sand layer.
Preferably, the liquid inlet bin is provided with a sealing cover at the opening at the top of the filter box, and the liquid inlet bin is provided with a sewage inlet hole for connecting a sewage pipe on the filter box.
Preferably, a first filter screen is arranged between the second quartz sand layer and the bottom surface of the second filter cylinder, and a second filter screen is arranged between the second quartz sand layer and the first quartz sand layer; a third filter screen is arranged between the first quartz sand layer and the cobblestone layer; and a fourth filter screen is arranged at the upper end of the cobble layer.
Preferably, a third gasket is provided on the end face of the flange plate pressed against the separator.
The above technical scheme of the utility model has following profitable technological effect:
in the utility model, when in use, the sewage after coarse filtration of the filtering component in the filtering box is conveyed into the water storage tank by the high-pressure pump, the sewage in the water storage tank flows out from the drainage pipe, and the sewage enters the liquid inlet cylinder through the liquid inlet hole and the third through hole in sequence; sewage in the liquid inlet cylinder flows out from the first through hole under the action of water pressure and is filtered by the semipermeable membrane, the filtered sewage flows into the first filter cylinder from the second through hole, finally, the filtered purified water enters the water discharge pipe from the first liquid discharge hole through the pipeline, the operation is simple, the purification effect on the sewage is improved through the arranged semipermeable membrane, the semipermeable membrane is fixed in the groove through the pressing plate, and when the semipermeable membrane needs to be detached, cleaned and replaced, the control valve on the corresponding discharge pipe is closed; the connecting pipeline of the first filter cylinder is detached, the first filter cylinder is separated from the end cover, the liquid inlet cylinder is taken out of the first filter cylinder, and finally the pressure plate is detached from the groove, so that the semipermeable membrane can be taken out for cleaning or replacement, the operation is simple, and the normal operation of equipment is not influenced;
in addition, the sewage in the filter box can effectively filter large-particle impurities carried in the sewage through the cobble layer, the first quartz sand layer and the second quartz sand layer in sequence, so that the sewage treatment efficiency by using the semipermeable membrane is improved, and the cleaning period of the semipermeable membrane is shortened; the sewage treatment cost is greatly reduced because the cobble layer, the first quartz sand layer and the second quartz sand layer are made of easily-obtained materials.
Drawings
Fig. 1 is a front view of a large and medium-sized reverse osmosis device provided by the present invention.
Fig. 2 is a schematic structural diagram of a filter cartridge in a large and medium-sized reverse osmosis apparatus according to the present invention.
Fig. 3 is a schematic structural view of a local enlargement at a position a in a large and medium-sized reverse osmosis device according to the present invention.
Fig. 4 is a schematic view of a three-dimensional structure of a liquid inlet cylinder in a large and medium-sized reverse osmosis device provided by the present invention.
Fig. 5 is a schematic structural diagram of a filter box in a large and medium-sized reverse osmosis device according to the present invention.
Reference numerals: 1. a filter box; 2. a sewage pipe; 3. a high pressure pump; 4. a water storage tank; 5. a drain pipe; 6. A control valve; 7. a support pillar; 8. a base; 9. a drain pipe; 10. a first filter cartridge; 11. an end cap; 12. A liquid inlet hole; 14. a first mounting block; 15. pressing a plate; 16. a liquid inlet cylinder; 17. a second mounting block; 18. a third through hole; 19. a first gasket; 20. a second gasket; 21. a semi-permeable membrane; 22. a first through hole; 23. A second through hole; 24. a groove; 25. a threaded blind hole; 26. a sealing cover; 27. a partition plate; 28. a liquid inlet bin; 29. a second filter cartridge; 30. a flange plate; 31. a cobble layer; 32. a first quartz sand layer; 33. a second quartz sand layer; 34. and a fourth via.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-5, the utility model provides a large and medium-sized reverse osmosis device, which comprises a filter tank 1, a high-pressure pump 3, a water storage tank 4, a drain pipe 5, a base 8, a first filter cartridge 10, an end cover 11, a liquid inlet cartridge 16 and a semipermeable membrane 21;
the liquid inlet end of the high-pressure pump 3 is connected with a filter tank 1 for storing sewage through a pipeline, and the liquid outlet end of the high-pressure pump 3 is connected with the liquid inlet end of a water storage tank 4 through a pipeline; wherein, a coarse filtering component for coarse filtering of sewage is arranged in the filtering box 1;
the lower end surface of the water storage tank 4 is provided with a plurality of supporting columns 7; the lower end surfaces of the supporting columns 7 are connected with a base 8; a plurality of drain holes are uniformly formed in the lower end face of the water storage tank 4; one end of each of the plurality of drain pipes 5 is respectively connected with the plurality of drain holes one by one, wherein each drain pipe 5 is provided with a control valve 6; the control valve 6 is used for controlling the communication of the drain pipe 5;
a first drainage hole is formed in the side end face of the first filter cartridge 10, and a second mounting block 17 is arranged on the bottom face of the first filter cartridge 10; a first mounting groove is formed in the end face, facing the opening at the other end of the first filter cartridge 10, of the second mounting block 17; wherein, the first drainage hole is connected with a drainage pipe 9 used for conveying purified water through a pipeline;
one end of the liquid inlet cylinder 16 is inserted into the first mounting groove in a matching manner, and a plurality of groups of grooves 24 for mounting a plurality of semipermeable membranes 21 are formed in the outer peripheral surface of the liquid inlet cylinder 16 along the central axis direction of the liquid inlet cylinder 16;
the bottom surface of each group of grooves 24 is provided with a plurality of first through holes 22 for communicating the interior of the liquid inlet cylinder 16, and a pressing plate 15 for pressing the semipermeable membrane 21 in the grooves 24 is arranged in each group of grooves 24; wherein, it should be noted that a plurality of first through holes 22 are located at the end face where the semi-permeable membrane 21 is pressed against the bottom surface of the groove 24, so that the sewage in the liquid inlet cylinder 16 flows out from the first through holes 22 and flows into the first filter cylinder 10 from the second through holes 23 by the filtering action of the semi-permeable membrane 21;
a plurality of second through holes 23 are uniformly formed in the pressure plate 15; the second through hole 23 and the first through hole 22 are communicated in sequence; the end surface of the pressing plate 15 attached to the groove 24 is the same as the cross section of the groove 24 in shape;
the end cover 11 is provided with a liquid inlet hole 12 used for being connected with the other end of the drain pipe 5, and the inner end surface of the end cover 11 is provided with a first mounting block 14; a second mounting groove is formed in the end face of the first mounting block 14; the bottom surface of the second mounting groove is provided with a third through hole 18 which is used for communicating the liquid inlet hole 12; the first filter cylinder 10 is screwed into the end cover 11, and the other end of the liquid inlet cylinder 16 is inserted into the second mounting groove in a matched manner and tightly presses the bottom surface of the second mounting groove; the liquid inlet hole 12, the third through hole 18 and the interior of the liquid inlet cylinder 16 are communicated in sequence.
In the utility model, when in use, the sewage after coarse filtration of the filtering component in the filtering box 1 is conveyed into the water storage tank 4 through the high pressure pump 3, the sewage in the water storage tank 4 flows out from the drainage pipe 5, and the sewage enters the liquid inlet barrel 16 through the liquid inlet hole 12 and the third through hole 18 in sequence; the sewage in the liquid inlet cylinder 16 flows out from the first through hole 22 under the action of water pressure and is filtered by the semipermeable membrane 21, the filtered sewage flows into the first filter cylinder 10 from the second through hole 23, the finally filtered purified water flows into the drain pipe 9 from the first drain hole through a pipeline, the operation is simple, the purification effect on the sewage is improved through the arranged semipermeable membrane 21, the semipermeable membrane 21 is fixed in the groove 24 through the pressing plate 15, and when the semipermeable membrane 21 needs to be detached, cleaned and replaced, the control valve 6 on the corresponding drain pipe 5 is closed; the connecting pipeline of the first filter cartridge 10 is removed, the first filter cartridge 10 is separated from the end cover 11, the liquid inlet cylinder 16 is taken out of the first filter cartridge 10, and finally the pressing plate 15 is removed from the groove 24, so that the semipermeable membrane 21 can be taken out for cleaning or replacement.
In an alternative embodiment, a first sealing gasket 19 is arranged on the end face of the liquid inlet cylinder 16 pressed against the second mounting groove, and the sealing performance between the liquid inlet cylinder 16 and the second mounting groove is improved by the arranged first sealing gasket 19.
In an alternative embodiment, liquid inlet cylinder 16 is in threaded engagement with the first mounting groove, thereby improving the stability of the mounting of liquid inlet cylinder 16 in first filter cartridge 10.
In an alternative embodiment, a plurality of fasteners are included; wherein, the bottom surface of the groove 24 is provided with a plurality of threaded blind holes; the pressure plate 15 is provided with a plurality of threaded holes;
the plurality of fastening pieces respectively penetrate through the plurality of threaded holes one by one in a threaded manner and are respectively screwed into the plurality of threaded blind holes one by one in a threaded manner; the pressing plate 15 presses the bottom surface of the groove 24, and the pressing plate 15 is convenient to detach through the plurality of the fastening pieces.
In an alternative embodiment, the bottom surface of the groove 24 is provided with an annular second seal 20; wherein, the semipermeable membrane 21 is located the inboard of second sealed 20, and the second sealed 20 that is equipped with can improve the leakproofness between clamp plate 15 and the recess 24 bottom surface, avoids sewage to flow out from the clearance department of clamp plate 15 and recess 24.
In an alternative embodiment, a drain is included; wherein, the water storage tank 4 is provided with a first drainage hole;
the liquid inlet pipe mouth of the blow off pipe is connected with the first liquid discharge hole, the blow off pipe is provided with the stop valve, and the sewage containing impurities in the water storage tank 4 can be discharged by opening the stop valve.
In an alternative embodiment, the coarse filter assembly includes second filter cartridge 29 and flange plate 30; wherein, a clapboard 27 is horizontally arranged in the filter tank 1; the partition plate 27 is used for dividing the interior of the filter box 1 into an upper liquid inlet bin and a lower liquid outlet bin, and the partition plate 27 is provided with a fifth through hole for connecting the liquid inlet bin and the liquid outlet bin; the liquid discharge end of the liquid outlet bin is connected with the liquid inlet end of the high-pressure pump 3 through a pipeline;
the bottom surface of the second filter cartridge 29 is uniformly provided with fourth through holes 34, and the bottom surface of the second filter cartridge 29 is sequentially provided with a second quartz sand layer 33, a first quartz sand layer 32 and a cobblestone layer 31 along the central axis direction thereof; the diameter value of the particles in the second quartz sand layer 33 is larger than that of the fourth through hole 34, and the diameter value of the particles in the second quartz sand layer 33 is smaller than that of the particles in the first quartz sand layer 32;
the sewage added into the liquid inlet bin enters the second filter cylinder 29, and the sewage is filtered by the cobble layer 31, the first quartz sand layer 32 and the second quartz sand layer 33 in sequence, so that large-particle impurities carried in the sewage can be effectively filtered; the sewage without large particle impurities is finally stored in the liquid outlet bin.
In an alternative embodiment, the liquid inlet bin is provided with a sealing cover 26 at the top opening of the filter box 1, and the liquid inlet bin is provided with a sewage inlet hole for connecting the sewage pipe 2 on the filter box 1.
In an alternative embodiment, a first filter screen is arranged between the second quartz sand layer 33 and the bottom surface of the second filter cylinder 29; the aperture of the first filter screen is smaller than the diameter of the particles in the second quartz sand layer 33, so that the fourth through hole 34 is prevented from being blocked by the particles in the second quartz sand layer 33;
further, the first filter screen is an active carbon filter screen;
a second filter screen is arranged between the second quartz sand layer 33 and the first quartz sand layer 32; the aperture of the second filter screen is smaller than the diameter of the particles in the first quartz sand layer 32;
a third filter screen is arranged between the first quartz sand layer 32 and the cobble layer 31; the aperture of the third filter screen is smaller than the diameter of the particles in the cobble layer 31; medium particle diameter;
a fourth filter screen is arranged at the upper end of the cobble layer 31; the second quartz sand layer 33, the first quartz sand layer 32 and the cobble layer 31 are obviously layered by arranging a filter screen between the two layers.
In an alternative embodiment, a third gasket is provided on the pressed end face of the flange plate 30 and the partition plate 27 to improve the sealing between the flange plate 30 and the partition plate 27 and prevent the sewage from flowing out of the gap between the flange plate 30 and the partition plate 27.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A large and medium-sized reverse osmosis device is characterized by comprising a filter box (1), a high-pressure pump (3), a water storage tank (4), a drain pipe (5), a first filter cylinder (10), an end cover (11), a liquid inlet cylinder and a semipermeable membrane (21);
the liquid inlet end of the high-pressure pump (3) is connected with a filter tank (1) for storing sewage through a pipeline, and the liquid outlet end of the high-pressure pump (3) is connected with the liquid inlet end of the water storage tank (4) through a pipeline; wherein, a coarse filtering component for coarse filtering of sewage is arranged in the filtering box (1);
a plurality of support columns (7) are arranged on the lower end surface of the water storage tank (4); a plurality of drain holes are uniformly formed in the lower end face of the water storage tank (4); one end of each of the plurality of drainage pipes (5) is respectively connected with the plurality of drainage holes one by one, wherein each drainage pipe (5) is provided with a control valve (6);
a first drainage hole is formed in the side end face of the first filter cylinder (10), and a second mounting block (17) is arranged on the bottom face of the first filter cylinder (10); a first mounting groove is formed in the end face, facing the opening at the other end of the first filter cylinder (10), of the second mounting block (17); wherein the first drainage hole is connected with a drainage pipe (9) used for conveying purified water through a pipeline;
one end of the liquid inlet cylinder (16) is inserted into the first mounting groove in a matching manner, and a plurality of groups of grooves (24) for mounting a plurality of semipermeable membranes (21) are formed in the outer peripheral surface of the liquid inlet cylinder (16) along the central axis direction of the liquid inlet cylinder (16); the bottom surface of each group of grooves (24) is provided with a plurality of first through holes (22) for communicating the interior of the liquid inlet cylinder (16), and a pressing plate (15) for pressing the semipermeable membrane (21) in the groove (24) is arranged in each group of grooves (24); a plurality of second through holes are uniformly formed in the pressing plate (15); the second through hole is communicated with the first through hole in sequence;
a liquid inlet hole (12) used for being connected with the other end of the drain pipe (5) is formed in the end cover (11), and a first mounting block (14) is arranged on the inner end face of the end cover (11); a second mounting groove is formed in the end face of the first mounting block (14); the bottom surface of the second mounting groove is provided with a third through hole (18) for communicating the liquid inlet hole (12); the first filter cylinder (10) is screwed into the end cover (11), and the other end of the liquid inlet cylinder (16) is inserted into the second mounting groove in a matched manner and tightly presses the bottom surface of the second mounting groove; the liquid inlet hole (12), the third through hole (18) and the liquid inlet cylinder (16) are communicated in sequence.
2. A medium-and-large sized reverse osmosis apparatus according to claim 1, wherein the first packing (19) is provided on the end surface of the liquid inlet cylinder (16) pressed against the second mounting groove.
3. The medium-and large-scale reverse osmosis apparatus according to claim 1, wherein the liquid inlet cylinder (16) is connected with the first mounting groove in a threaded fit manner.
4. The mid-to-large scale reverse osmosis apparatus of claim 1, comprising a plurality of fasteners; wherein, the bottom surface of the groove (24) is provided with a plurality of threaded blind holes; a plurality of threaded holes are formed in the pressure plate (15);
the plurality of fastening pieces respectively penetrate through the plurality of threaded holes one by one in a threaded manner and are respectively screwed into the plurality of threaded blind holes one by one in a threaded manner; the pressing plate (15) presses the bottom surface of the groove (24).
5. A medium-and-large scale reverse osmosis unit according to claim 1, wherein the bottom surface of the groove (24) is provided with a second gasket (20) having a ring shape; wherein the semi-permeable membrane (21) is located inside the second gasket (20).
6. The medium-and large-scale reverse osmosis unit according to claim 1, comprising a sewage drain pipe; wherein, the water storage tank (4) is provided with a first drainage hole;
the liquid inlet pipe mouth of the blow-off pipe is connected with the first liquid discharge hole, and the blow-off pipe is provided with a stop valve.
7. A large-medium scale reverse osmosis unit according to claim 1, wherein the coarse filtration module comprises a second filtration cartridge (29) and a flange plate (30); wherein, a clapboard (27) is horizontally arranged in the filter box (1); the partition plate (27) is used for dividing the interior of the filter box (1) into an upper liquid inlet bin and a lower liquid outlet bin, and a fifth through hole for connecting the liquid inlet bin and the liquid outlet bin is formed in the partition plate (27); the liquid discharge end of the liquid outlet bin is connected with the liquid inlet end of the high-pressure pump (3) through a pipeline;
the flange plate (30) is mounted on the outer peripheral surface of the second filter cylinder (29) in a head-to-head connection along the circumferential direction of the second filter cylinder (29); the second filter cartridge (29) is inserted into the fifth through hole from the liquid inlet bin to the direction of the liquid outlet bin; the flange plate (30) presses the partition plate (27);
the bottom surface of the second filter cylinder (29) is uniformly provided with fourth through holes (34), and the bottom surface of the second filter cylinder (29) is sequentially provided with a second quartz sand layer (33), a first quartz sand layer (32) and a cobblestone layer (31) along the central axis direction thereof; the diameter value of the particles in the second quartz sand layer (33) is larger than that of the fourth through hole (34), and the diameter value of the particles in the second quartz sand layer (33) is smaller than that of the particles in the first quartz sand layer (32).
8. The medium and large sized reverse osmosis apparatus according to claim 7, wherein the inlet tank is provided with a sealing cover (26) at the top opening of the filtering tank (1), and the inlet tank is provided with a sewage inlet hole for connecting the sewage pipe (2) on the filtering tank (1).
9. The medium and large-sized reverse osmosis device according to claim 7, wherein a first filter screen is arranged between the second quartz sand layer (33) and the bottom surface of the second filter cylinder (29), and a second filter screen is arranged between the second quartz sand layer (33) and the first quartz sand layer (32); a third filter screen is arranged between the first quartz sand layer (32) and the cobble layer (31); a fourth filter screen is arranged at the upper end of the cobble layer (31).
10. A large or medium scale reverse osmosis unit according to claim 7, characterised in that the end faces of the flange plates (30) which are in compression with the partition (27) are provided with third gaskets.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123760.2U CN212050792U (en) | 2020-01-19 | 2020-01-19 | Large and medium-sized reverse osmosis device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020123760.2U CN212050792U (en) | 2020-01-19 | 2020-01-19 | Large and medium-sized reverse osmosis device |
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| CN212050792U true CN212050792U (en) | 2020-12-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996180A (en) * | 2021-10-28 | 2022-02-01 | 金汝 | High-efficient washing catalyst membrane separation complete sets |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996180A (en) * | 2021-10-28 | 2022-02-01 | 金汝 | High-efficient washing catalyst membrane separation complete sets |
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