CN117771954A - Membrane pollution control equipment and method - Google Patents
Membrane pollution control equipment and method Download PDFInfo
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- CN117771954A CN117771954A CN202410219624.6A CN202410219624A CN117771954A CN 117771954 A CN117771954 A CN 117771954A CN 202410219624 A CN202410219624 A CN 202410219624A CN 117771954 A CN117771954 A CN 117771954A
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- end cover
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- 239000012528 membrane Substances 0.000 title claims abstract description 163
- 238000000034 method Methods 0.000 title abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 131
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 238000004140 cleaning Methods 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims abstract description 32
- 239000002351 wastewater Substances 0.000 claims abstract description 26
- 238000011010 flushing procedure Methods 0.000 claims abstract description 18
- 238000005202 decontamination Methods 0.000 claims abstract description 4
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 4
- 239000008213 purified water Substances 0.000 claims description 45
- 230000003204 osmotic effect Effects 0.000 claims description 24
- 238000000746 purification Methods 0.000 claims description 21
- 238000011954 pollution control method Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 7
- 239000003814 drug Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000001223 reverse osmosis Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 241000282472 Canis lupus familiaris Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to the technical field of membrane pollution separation, and in particular relates to membrane pollution control equipment and a method, wherein the membrane pollution control equipment comprises the following components: the back flushing device comprises a back flushing device main body, wherein an end cover A and an end cover B are respectively arranged at two ends of the back flushing device main body. According to the invention, pure water is injected into the extrusion sealing part, the pure water in the extrusion sealing part and the pure water backflushing connecting part is changed by adjusting the pure water amount part and the waste water amount part, so that the water amount of the waste water outlet and the pure water outlet entering the permeable membrane main body is adjusted, the driving part is started to drive the friction part to rotate along with the rotation, the permeable membrane main body rotates along with the rotation, the pure water enters the rotating permeable membrane main body, backflushing decontamination is carried out on the permeable membrane main body, the membrane pollution is effectively controlled without using a medicine, the environment is protected, the waste water generation is reduced, the material is not damaged by a pure physical control method, the material recovery rate is improved, the cleaning frequency of the shutdown membrane is reduced, and the separation efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of membrane pollution separation, and particularly relates to membrane pollution control equipment and a method.
Background
Membrane fouling has been an important problem to be solved in the field of membrane technology, especially in the field of material separation. Conventional membrane separation devices are often susceptible to contamination of the membrane surface after prolonged operation, which can lead to significant degradation of the separation, forcing operators to perform cleaning and maintenance at regular intervals. Because the separated materials generally have complex components, high viscosity and high concentration, fouling problems are easily caused, which severely restricts the large-scale application of membrane technology.
At present, the traditional cleaning methods comprise chemical cleaning and physical cleaning, however, the methods often have the problems of poor cleaning effect, incomplete cleaning, short equipment maintenance period and the like, which form a non-negligible threat to the performance and the service life of equipment. Chemical cleaning, most of which use medicaments, can cause pollution and possibly have adverse effects on the environment, and traditional physical cleaning has the defects of dead cleaning angles, difficult coverage of the whole membrane surface and the like, and the limitation makes the membrane technology limited in practical application.
For example, chinese patent publication No. CN115477366B discloses an antipollution reverse osmosis membrane device, can change the pressure vessel of container shape according to the use needs for it can have stronger and more effective cleaning performance in the in-process that carries out online cleaning, for example chinese patent publication No. CN113750801a again, discloses a surface type reverse osmosis membrane filter core, pulls out reverse osmosis membrane, and reverse osmosis membrane is initially cleared up through the clearance module, uses the cleaning solution to wash the reverse osmosis membrane, reaches the effect of clearance reverse osmosis membrane, and the mode of back flushing can not be effectively utilized to the pollutant in the membrane, and can not make the membrane operation in order to increase the effect of back flushing at the in-process of back flushing.
Disclosure of Invention
The invention aims to provide a membrane pollution control device which can effectively control membrane pollution without using a medicine, is more environment-friendly, reduces wastewater generation, adopts a pure physical control method, does not damage materials, improves material recovery rate, reduces shutdown membrane cleaning frequency and improves separation efficiency.
The technical scheme adopted by the invention is as follows:
a membrane pollution control device comprising:
the water purifier comprises a backflushing device main body, wherein an end cover A and an end cover B are respectively arranged at two ends of the backflushing device main body, a pure water inlet pipe is arranged at one end, far away from the backflushing device main body, of the end cover B, and a permeable membrane main body is arranged in the backflushing device main body;
the device comprises a friction part, a driving part, a water purification backflushing connection part and a water purification outlet, wherein the friction part is arranged in an end cover A, one end of the friction part in the backflushing device body is in contact with the osmotic membrane body, the driving part is arranged on the backflushing device body and is used for driving the friction part to rotate, one end of an end cover B, which is close to the osmotic membrane body, is provided with an extrusion sealing part, the extrusion sealing part is used for forming a closed space between the end cover B and the osmotic membrane body, the osmotic membrane body is limited between the friction part and the extrusion sealing part, and the water purification backflushing connection part is arranged in the end cover B and is used for being connected with the water purification outlet of the osmotic membrane body;
the water purification and reaction device comprises a water purification and reaction connecting part, a water purification and reaction sealing part and a water purification and reaction sealing part, wherein the water purification and reaction sealing part is arranged at one end of the water purification and reaction connecting part, which is far away from the osmotic membrane main body, and is used for adjusting the water quantity passing through the water purification and reaction connecting part;
the cleaning part is arranged on the friction part, and when the friction part is driven to rotate by the driving part, the cleaning part follows reverse rotation and cleans the permeable membrane main body.
In a preferred embodiment, the friction part includes a rotation shaft rotatably connected to the inside of the end cap a, and a friction block is fixed to one end of the rotation shaft located inside the main body of the recoil apparatus.
In a preferred scheme, the drive part comprises a motor, the motor is fixed on the surface of the recoil device main body, a belt pulley a is fixed at the output end of the motor, a belt pulley b is fixed at one end, far away from the friction block, of the rotating shaft, and a belt is sleeved on the outer sides of the belt pulley a and the belt pulley b.
In a preferred scheme, the cleaning part comprises a gear ring a, the gear ring a is rotationally connected to the outer side of the rotating shaft and is close to the position of the friction block, a connecting rod is fixed to one side, close to the recoil device main body, of the end cover A, one end, far away from the end cover A, of the connecting rod is rotationally connected with a spur gear, the spur gear is in meshed connection with the gear ring a, one side, close to the gear ring a, of the friction block is rotationally connected with a gear ring b, the gear ring b is in meshed connection with the spur gear, a cleaning brush is fixed to the outer side of the gear ring b, and the cleaning brush is in contact with the osmotic membrane main body.
In a preferred scheme, the extrusion sealing part comprises a fixed pipe, the fixed pipe is fixed on one side of the end cover B, which is close to the permeable membrane main body, a sealing pipe is sleeved at one end, which is close to the permeable membrane main body, of the inside of the fixed pipe, a rotating ring a is rotatably connected at one end, which is positioned inside the fixed pipe, of the sealing pipe, and a spring a is arranged at the position, which is close to the rotating ring a, of the inside of the fixed pipe.
In a preferred scheme, the water purification recoil connecting portion comprises a connecting pipe, the connecting pipe is rotationally connected inside the end cover B, a sliding pipe is slidingly connected to the outer side of the connecting pipe, one end, close to the end cover B, of the sliding pipe is rotationally connected with a rotating ring B, a spring B is arranged between the outer side of the connecting pipe and the rotating ring B, and a protective pipe is fixed to the outer side, close to one side of the osmotic membrane main body, of the end cover B.
In a preferred scheme, the purified water volume portion includes fixed concave pipe, fixed concave pipe is fixed in end cover B and is kept away from one side of recoil device main part and be close to the position department of connecting pipe, the inside rotation of fixed concave pipe is connected with the go-between, be provided with a plurality of dogs between fixed concave pipe and the go-between, one side that the go-between is close to fixed concave pipe rotates and is connected with the movable rod, a plurality of movable holes have been seted up to the inside of fixed concave pipe, movable rod sliding connection is in the inside of movable hole, one side that the dog is close to the go-between is fixed with the movable strip, one side that the go-between is close to the dog is seted up flutedly, movable strip sliding connection is in the inside of recess.
In a preferred scheme, the regulating part is installed in the outside of go-between, the regulating part includes handle b, handle b rotates the inside of connecting at pure water inlet tube, handle b is close to the one end of go-between and is fixed with bevel gear b, the outside of go-between and be close to bevel gear b the position department is fixed with arc taper rack b, bevel gear b and arc taper rack b meshing are connected.
In a preferred scheme, waste water volume portion includes the perforated plate, the perforated plate rotates the outside of connecting in fixed concave pipe and is close to end cover B's position department, the outside of perforated plate is fixed with arc taper rack a, the inside rotation of pure water inlet tube is connected with handle a, the one end that handle a is close to arc taper rack a is fixed with bevel gear a, bevel gear a and arc taper rack a meshing are connected.
The invention also provides a membrane pollution control method, which is used for the membrane pollution control equipment and comprises the following steps:
the first step: placing a permeable membrane body to be cleaned inside a backflushing device body;
and a second step of: installing an end cover A and an end cover B at two ends of the recoil device main body;
wherein, when the end cover B is installed at the end of the backflushing device body, the extrusion sealing part and the water purification backflushing connection part are tightly contacted with the end of the permeable membrane body, and the permeable membrane body is pushed to be close to the friction part, so that the permeable membrane body is limited between the friction part and the extrusion sealing part;
and a third step of: injecting pure water into the inside of the squeeze seal;
fourth step: by adjusting the purified water amount part and the waste water amount part, the purified water injected into the extrusion sealing part and the purified water backflushing connecting part is changed, so that the water amount of the waste water outlet and the purified water outlet entering the osmotic membrane main body is adjusted
Fifth step: and starting the driving part to drive the friction part to rotate along with the rotation of the friction part, so that the osmotic membrane main body rotates along with the rotation of the friction part, and then pure water enters the rotary osmotic membrane main body and is subjected to backflushing decontamination.
The invention has the technical effects that:
according to the invention, the osmotic membrane main body to be cleaned is placed in the backflushing device main body, then the end cover A and the end cover B are arranged at two ends of the backflushing device main body, the extrusion sealing part and the water purification backflushing connecting part are tightly contacted with the end parts of the osmotic membrane main body, and the osmotic membrane main body is pushed to be close to the friction part, so that the osmotic membrane main body is limited between the friction part and the extrusion sealing part, pure water is injected into the extrusion sealing part, the pure water in the extrusion sealing part and the water purification connecting part is changed by adjusting the pure water amount part and the pure water amount part, so that the water amount of a waste water outlet and a pure water outlet which enter the osmotic membrane main body is adjusted, the driving part is started to drive the friction part to rotate, so that the osmotic membrane main body rotates along with the rotation, and the osmotic membrane main body is backflushed and decontaminated, the membrane pollution is not required to be effectively controlled by using a medicine, the pure physical control method is more environment-friendly, the material is not damaged, the recovery rate is improved, the membrane cleaning frequency is reduced, and the separation efficiency is improved.
According to the invention, in the process of driving the friction part to rotate the permeable membrane main body through the driving part, the cleaning part rotates along with the permeable membrane main body, and the running direction of the cleaning part is opposite to that of the permeable membrane main body, so that the impurity pollutants attached to the port after the back flushing of the permeable membrane main body are cleaned, and the cleaning efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a separation diagram of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of end cap A of the present invention;
FIG. 5 is a schematic view of the structure of the friction part and the cleaning part of the present invention;
FIG. 6 is a cross-sectional view of the end cap B, the pure water inlet pipe, the squeeze sealing portion, the pure water back flushing connection portion, and the waste water amount portion of the present invention;
FIG. 7 is a separated view of the squeeze seal of the present invention;
FIG. 8 is a separation view of the clean water back flush connection of the present invention;
FIG. 9 is a separation view of the purified water amount unit of the present invention;
FIG. 10 is a separation diagram of the wastewater amount unit of the present invention.
In the drawings, the names of the components represented by the reference numerals are as follows:
1. a recoil device body; 2. an end cover A; 3. an end cover B; 4. a pure water inlet pipe; 5. a permeable membrane body; 6. a protective sleeve;
10. a friction part; 11. a rotating shaft; 12. a friction block;
20. a driving section; 21. a motor; 22. a belt wheel a; 23. a belt wheel b; 24. a belt;
30. a cleaning section; 31. a gear ring a; 32. spur gears; 33. a connecting rod; 34. a gear ring b; 35. a cleaning brush;
40. extruding the sealing part; 41. a fixed tube; 42. sealing the tube; 43. a rotating ring a; 44. spring a
50. A water purification recoil connection part; 51. a connecting pipe; 52. a sliding tube; 53. a rotating ring b; 54. a spring b; 55. a protective tube;
60. a purified water amount unit; 61. fixing the concave pipe; 62. a connecting ring; 63. a stop block; 64. a moving rod; 65. moving the bar; 66. a moving hole; 67. a groove;
70. a wastewater amount part; 71. a porous plate; 72. arc conical rack a; 73. bevel gear a; 74. a handle a;
80. an adjusting member; 81. arc conical rack b; 82. bevel gear b; 83. a handle b.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one preferred embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Referring to fig. 1 to 10, there is provided a membrane pollution control device comprising:
the water treatment device comprises a backflushing device body 1, wherein an end cover A2 and an end cover B3 are respectively arranged at two ends of the backflushing device body 1, a pure water inlet pipe 4 is arranged at one end, far away from the backflushing device body 1, of the end cover B3, and a permeable membrane body 5 is arranged in the backflushing device body 1;
a friction part 10, the friction part 10 is installed in the end cover A2, one end of the friction part 10 positioned in the backflushing device main body 1 is contacted with the permeable membrane main body 5, a driving part 20 is installed on the backflushing device main body 1, the driving part 20 is used for driving the friction part 10 to rotate, one end of the end cover B3 close to the permeable membrane main body 5 is installed with an extrusion sealing part 40, the extrusion sealing part 40 is used for forming a closed space between the end cover B3 and the permeable membrane main body 5, the permeable membrane main body 5 is limited between the friction part 10 and the extrusion sealing part 40, a water purification backflushing connection part 50 is installed in the end cover B3, and the water purification backflushing connection part 50 is used for being connected with a purified water outlet of the permeable membrane main body 5;
a purified water amount portion 60, the purified water amount portion 60 being installed at one end of the purified water back flushing connection portion 50 away from the osmotic membrane main body 5, the purified water amount portion 60 being used for adjusting the amount of water passing through the purified water back flushing connection portion 50, a waste water amount portion 70 being installed inside the purified water inlet pipe 4 and at one side close to the end cap B3, the waste water amount portion 70 being used for adjusting the amount of water entering the inside of the squeeze sealing portion 40;
wherein, be provided with the cleaning part 30 on the friction part 10, when driving the friction part 10 through drive part 20 and rotating, make the cleaning part 30 follow the reverse rotation and clean osmotic membrane main part 5.
Specifically, the to-be-cleaned permeable membrane main body 5 is placed in the backflushing device main body 1, the end cover A2 and the end cover B3 are installed at two ends of the backflushing device main body 1, the extrusion sealing part 40 and the purified water backflushing connection part 50 are tightly contacted with the end parts of the permeable membrane main body 5, the permeable membrane main body 5 is pushed to be close to the friction part 10, the permeable membrane main body 5 is limited between the friction part 10 and the extrusion sealing part 40, pure water is injected into the extrusion sealing part 40, pure water in the extrusion sealing part 40 and the purified water connection part 50 is changed by adjusting the purified water amount part 60 and the waste water amount part 70, the amount of the waste water entering the permeable membrane main body 5 and the amount of the purified water backflushing water entering the pure water outlet are adjusted, the driving part 20 is started, the friction part 10 is driven to rotate in a following manner, the permeable membrane main body 5 is driven to rotate in a rotating manner, the cleaning part 30 is driven to rotate in a following manner, and the direction of the cleaning part 30 is opposite to the permeable membrane main body 5 is driven by the driving part 20, so that impurities attached to the backflushing ports of the permeable membrane main body 5 are cleaned.
The protective sleeve 6 is disposed between the backflushing device body 1 and the permeable membrane body 5, so that the permeable membrane body 5 is prevented from contacting the inner wall of the backflushing device body 1 when the permeable membrane body 5 rotates, and the permeable membrane body 5 is protected.
In a preferred embodiment, referring to fig. 3 to 5, the friction part 10 includes a rotation shaft 11, the rotation shaft 11 is rotatably connected to the inside of the end cap A2, and a friction block 12 is fixed to one end of the rotation shaft 11 located inside the recoil apparatus body 1.
In this embodiment, after the permeable membrane body 5 is placed in the back flushing device body 1, when the driving part 20 is started, the rotating shaft 11 is driven to rotate, and the friction block 12 is driven to rotate in a following manner, wherein a rubber pad is arranged at one end of the friction block 12, which is close to the permeable membrane body 5, so as to increase the friction force between the friction block 12 and the permeable membrane body 5, and when the friction block 12 is ensured to rotate, the permeable membrane body 5 is driven to rotate in a following manner.
Next, referring to fig. 3 and 4 again, the driving part 20 includes a motor 21, the motor 21 is fixed on the surface of the recoil apparatus body 1, a belt pulley a22 is fixed at an output end of the motor 21, a belt pulley b23 is fixed at an end of the rotating shaft 11 away from the friction block 12, and a belt 24 is sleeved outside the belt pulley a22 and the belt pulley b 23.
Specifically, when the rotating shaft 11 is driven to run, the motor 21 is started to enable the belt pulley a22 to rotate in a following manner, and the belt 24 is sleeved on the outer sides of the belt pulley a22 and the belt pulley b23, when the belt pulley a22 rotates, the belt 24 drives the belt pulley b23 to rotate, so that the rotating shaft 11 rotates in a following manner, and the friction block 12 drives the permeable membrane main body 5 to rotate, so that the permeable membrane main body 5 rotates in the backflushing process.
Still further, referring to fig. 3 to 5, the cleaning portion 30 includes a gear ring a31, the gear ring a31 is rotatably connected to the outer side of the rotating shaft 11 and near the position of the friction block 12, a connecting rod 33 is fixed to one side of the end cover A2 near the recoil device body 1, one end of the connecting rod 33, which is far away from the end cover A2, is rotatably connected with a spur gear 32, the spur gear 32 is engaged with the gear ring a31, one side of the friction block 12 near the gear ring a31 is rotatably connected with a gear ring b34, the gear ring b34 is engaged with the spur gear 32, a cleaning brush 35 is fixed to the outer side of the gear ring b34, and the cleaning brush 35 is in contact with the osmotic membrane body 5.
Specifically, when the driving part 20 drives the rotation shaft 11 to rotate, the rotation shaft 11 drives the gear ring a31 to rotate in a following way, as the spur gear 32 is in meshed connection with the gear ring a31, the spur gear 32 is in meshed connection with the gear ring b34, the gear ring b34 is in rotary connection with the friction block 12, the spur gear 32 is in rotary connection with the connecting rod 33, and the connecting rod 33 is fixedly connected with the end cover A2, so that when the gear ring a31 rotates, the spur gear 32 is driven to rotate reversely, the gear ring b34 is driven to rotate in a following way, and the rotation direction of the cleaning brush 35 is opposite to the direction of the permeable membrane main body 5, and the backflushing water outlet of the permeable membrane main body 5 is cleaned.
Still further, referring to fig. 2, 3, 6 and 7, the squeeze sealing portion 40 includes a fixing tube 41, the fixing tube 41 is fixed on one side of the end cap B3 near the permeable membrane body 5, a sealing tube 42 is sleeved on one end of the fixing tube 41 near the permeable membrane body 5, one end of the sealing tube 42 located inside the fixing tube 41 is rotatably connected with a rotating ring a43, and a spring a44 is disposed at a position of the fixing tube 41 near the rotating ring a 43.
Specifically, after the permeable membrane main body 5 is installed inside the backflushing device main body 1, the end cover B3 is installed in the end of the backflushing device main body 1, so that the sealing tube 42 gradually contacts the permeable membrane main body 5, and the sealing tube 42 gradually moves into the inside of the fixed tube 41, so that the spring a44 is compressed to generate elasticity, the permeable membrane main body 5 is pushed to be in close contact with the friction block 12 by the elasticity of the spring a44, so as to promote the clamping force of the sealing tube 42 and the friction block 12 on the permeable membrane main body 5, ensure the fixing effect, and promote the tightness between the sealing tube 42 and the permeable membrane main body 5 by the close contact of the sealing tube 42 and the end of the permeable membrane main body 5, so as to ensure that pure water enters the inside of the pure water inlet tube 4, and then enters the wastewater outlet of the permeable membrane main body 5 through the space between the extrusion sealing part 40 and the clean water backflushing connection part 50, so that backflushing of the wastewater outlet is realized, and when the permeable membrane main body 5 rotates, the sealing tube 42 rotates inside the fixed tube 41.
Still further, referring to fig. 2, 3, 6 and 8, the connecting tube 51 is rotatably connected to the inside of the end cap B3, the outer side of the connecting tube 51 is slidably connected with the sliding tube 52, one end of the sliding tube 52 close to the end cap B3 is rotatably connected with the rotating ring B53, a spring B54 is disposed between the outer side of the connecting tube 51 and the rotating ring B53, and the outer side of the end cap B3 close to the permeable membrane body 5 and the outer side of the sliding tube 52 is fixed with the protecting tube 55.
Specifically, after the permeable membrane main body 5 is installed in the back flushing device main body 1, the end cover B3 is installed at the end of the back flushing device main body 1, so that the sliding tube 52 gradually contacts the permeable membrane main body 5, and the sliding tube 52 gradually moves outside the connecting tube 51, so that the spring B54 is stressed and compressed to generate elastic force, the tightness between the sealing tube 42 and the permeable membrane main body 5 is improved by the elastic force of the spring B54, so that the back flushing of the purified water is realized by ensuring that the purified water enters the purified water inlet pipe 4 and then enters the purified water outlet of the permeable membrane main body 5 through the sliding tube 52.
Still further, referring to fig. 2, 3, 6 and 9, the purified water volume portion 60 includes a fixed concave tube 61, the fixed concave tube 61 is fixed at a position of the end cap B3, which is far away from the recoil device body 1 and is close to the connecting tube 51, a connecting ring 62 is rotatably connected to an inner portion of the fixed concave tube 61, a plurality of stoppers 63 are provided between the fixed concave tube 61 and the connecting ring 62, a movable rod 64 is rotatably connected to a side of the connecting ring 62, which is close to the fixed concave tube 61, a plurality of movable holes 66 are provided in the inner portion of the fixed concave tube 61, the movable rod 64 is slidably connected to an inner portion of the movable hole 66, a movable bar 65 is fixed to a side of the stopper 63, which is close to the connecting ring 62, a groove 67 is provided to a side of the connecting ring 62, which is close to the stopper 63, and the movable bar 65 is slidably connected to an inner portion of the groove 67.
It should be noted that, adjusting piece 80 is installed in the outside of go-between 62, adjusting piece 80 includes handle b83, handle b83 rotates the inside of connecting at pure water inlet tube 4, handle b83 is close to the one end of go-between 62 and is fixed with bevel gear b82, the outside of go-between 62 and the position department that is close to bevel gear b82 are fixed with arc taper rack b81, bevel gear b82 and arc taper rack b81 meshing are connected, drive bevel gear b82 through rotating handle b83 and follow the rotation, because of bevel gear b82 and arc taper rack b81 meshing are connected, make go-between 62 rotate through the cooperation of bevel gear b82 and arc taper rack b 81.
Specifically, when the amount of pure water entering the interior of the water purification recoil connection part 50 is regulated, the regulating element 80 drives the connecting ring 62 to rotate in the interior of the fixed concave pipe 61, the moving bar 65 slides in the interior of the groove 67, the moving bar 64 slides in the interior of the moving hole 66, the moving bar 64 is rotationally connected with the stop block 63, so that when the connecting ring 62 rotates, the moving bar 64 moves in the track of the moving hole 66, and simultaneously, the moving bar 65 moves in the interior of the groove 67, the stop block 63 moves, the rotation of the connecting ring 62 is reversely controlled to change the mutual approaching or mutual separating of the stop blocks 63, the opening of the fixed concave pipe 61 is controlled by controlling the movement of the stop blocks 63, so that the water amount is ensured to be changed, and the pure water entering the purified water outlet of the osmotic membrane main body 5 in unit time can be changed according to different cleaning requirements.
Still further, referring to fig. 2, 3, 6 and 10 together, the waste water amount portion 70 includes a perforated plate 71, the perforated plate 71 is rotatably connected to the outer side of the fixed concave pipe 61 and is close to the position of the end cap B3, an arc-shaped conical rack a72 is fixed to the outer side of the perforated plate 71, a handle a74 is rotatably connected to the inner side of the pure water inlet pipe 4, a bevel gear a73 is fixed to one end of the handle a74 close to the arc-shaped conical rack a72, and the bevel gear a73 is engaged with the arc-shaped conical rack a 72.
Specifically, when the amount of pure water entering the inside of the squeeze sealing part 40 is regulated, the handle a74 is rotated, so that the handle a74 drives the bevel gear a73 to rotate, the bevel gear a73 is meshed with the arc-shaped conical rack a72, the arc-shaped conical rack a72 is fixedly connected with the porous plate 71, the porous plate 71 is rotationally connected with the fixed concave pipe 61, so that the porous plate 71 is driven to rotate by the cooperation of the bevel gear a73 and the arc-shaped conical rack a72 when the handle a74 rotates, the amount of water entering the inside of the squeeze sealing part 40 is changed according to the overlapping range of the position of the through hole on the porous plate 71 and the position of the through hole on the end cover B3, and the amount of pure water entering the wastewater outlet of the permeable membrane main body 5 in unit time can be changed according to different cleaning requirements.
The invention also provides a membrane pollution control method, which is used for the membrane pollution control equipment and comprises the following steps:
the first step: placing the permeable membrane body 5 to be cleaned inside the backflushing device body 1;
and a second step of: installing end caps A2 and B3 at both ends of the recoil device main body 1;
wherein, when the end cap B3 is mounted at the end of the backflushing device body 1, the squeeze seal 40 and the purified water backflushing connection 50 will be brought into close contact with the end of the permeable membrane body 5 and push the permeable membrane body 5 closer to the friction portion 10 such that the permeable membrane body 5 is defined between the friction portion 10 and the squeeze seal 40;
and a third step of: injecting pure water into the inside of the squeeze seal 40;
fourth step: by adjusting the purified water amount portion 60 and the purified water amount portion 70, the purified water injected into the inside of the squeeze seal portion 40 and the purified water back flushing connection portion 50 is changed so that the amounts of water entering the purified water outlet and the purified water outlet of the osmotic membrane main body 5 are adjusted
Fifth step: the driving part 20 is started to drive the friction part 10 to rotate along with the rotation, so that the permeable membrane body 5 rotates along with the rotation, and then pure water enters the rotary permeable membrane body 5, and backflushing decontamination is carried out on the permeable membrane body 5.
The working principle of the invention is as follows: the method comprises the steps of placing a to-be-cleaned permeable membrane main body 5 into the backflushing device main body 1, installing an end cover A2 and an end cover B3 at two ends of the backflushing device main body 1, enabling an extrusion sealing part 40 and a purified water backflushing connection part 50 to be in close contact with the end parts of the permeable membrane main body 5, pushing the permeable membrane main body 5 to be close to a friction part 10, enabling the permeable membrane main body 5 to be limited between the friction part 10 and the extrusion sealing part 40, injecting pure water into the interior of the extrusion sealing part 40, adjusting a purified water amount part 60 and a wastewater amount part 70, changing pure water in the extrusion sealing part 40 and the purified water backflushing connection part 50, enabling the amount of wastewater entering the permeable membrane main body 5 to be adjusted, starting a driving part 20, enabling the friction part 10 to be driven to rotate in a following manner, enabling pure water to enter the rotating permeable membrane main body 5 to be backflushed, enabling a cleaning part 30 to rotate in a following manner in the process of driving the friction part 10, enabling the cleaning part 30 to be opposite to the permeable membrane main body 5, increasing the running direction of the pure water to be opposite to the permeable membrane main body 5, enabling the pure water to be more environmentally friendly, improving the efficiency of the cleaning device to be controlled, preventing the pollution of the attached membrane from being polluted by the cleaning device, and improving the pollution-free from being caused by the pollution, and improving the quality of the cleaning device, and the pollution-free from causing pollution to control.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (10)
1. A membrane pollution control device, comprising:
the water treatment device comprises a backflushing device main body (1), wherein an end cover A (2) and an end cover B (3) are respectively arranged at two ends of the backflushing device main body (1), a pure water inlet pipe (4) is arranged at one end, far away from the backflushing device main body (1), of the end cover B (3), and a permeable membrane main body (5) is arranged in the backflushing device main body (1);
the device comprises a friction part (10), wherein the friction part (10) is arranged in an end cover A (2), one end of the friction part (10) positioned in a backflushing device body (1) is in contact with a permeable membrane body (5), a driving part (20) is arranged on the backflushing device body (1), the driving part (20) is used for driving the friction part (10) to rotate, an extrusion sealing part (40) is arranged at one end, close to the permeable membrane body (5), of an end cover B (3), the extrusion sealing part (40) is used for forming a closed space between the end cover B (3) and the permeable membrane body (5), the permeable membrane body (5) is limited between the friction part (10) and the extrusion sealing part (40), a clean water backflushing connection part (50) is arranged in the end cover B (3), and the clean water backflushing connection part (50) is used for being connected with a clean water outlet of the permeable membrane body (5).
A purified water amount part (60), wherein the purified water amount part (60) is arranged at one end of the purified water back flushing connection part (50) far away from the permeable membrane main body (5), the purified water amount part (60) is used for adjusting the amount of water passing through the purified water back flushing connection part (50), a wastewater amount part (70) is arranged at one side of the purified water inlet pipe (4) which is close to the end cover B (3), and the wastewater amount part (70) is used for adjusting the amount of water entering the extrusion sealing part (40);
the friction part (10) is provided with a cleaning part (30), and when the driving part (20) drives the friction part (10) to rotate, the cleaning part (30) rotates reversely and cleans the permeable membrane main body (5).
2. The membrane pollution control device according to claim 1, wherein the friction part (10) includes a rotation shaft (11), the rotation shaft (11) is rotatably connected inside the end cap a (2), and a friction block (12) is fixed to one end of the rotation shaft (11) located inside the recoil device main body (1).
3. The membrane pollution control device according to claim 2, wherein the driving part (20) comprises a motor (21), the motor (21) is fixed on the surface of the backflushing device main body (1), a belt wheel a (22) is fixed at the output end of the motor (21), a belt wheel b (23) is fixed at one end of the rotating shaft (11) far away from the friction block (12), and a belt (24) is sleeved outside the belt wheel a (22) and the belt wheel b (23).
4. The membrane pollution control apparatus according to claim 2, wherein the cleaning part (30) includes a gear ring a (31), the gear ring a (31) is rotatably connected at a position outside the rotating shaft (11) and close to the friction block (12), a connecting rod (33) is fixed to a side of the end cap a (2) close to the recoil device body (1), a spur gear (32) is rotatably connected to an end of the connecting rod (33) away from the end cap a (2), the spur gear (32) is engaged with the gear ring a (31), a gear ring b (34) is rotatably connected to a side of the friction block (12) close to the gear ring a (31), the gear ring b (34) is engaged with the spur gear (32), a cleaning brush (35) is fixed to an outside of the gear ring b (34), and the cleaning brush (35) is in contact with the osmotic membrane body (5).
5. Membrane pollution control device according to claim 1, characterized in that the squeeze seal (40) comprises a fixed tube (41), the fixed tube (41) is fixed at one side of the end cap B (3) close to the permeable membrane body (5), a seal tube (42) is sleeved at one end of the inside of the fixed tube (41) close to the permeable membrane body (5), a rotating ring a (43) is rotatably connected at one end of the seal tube (42) located inside the fixed tube (41), and a spring a (44) is arranged at the position of the inside of the fixed tube (41) close to the rotating ring a (43).
6. The membrane pollution control device according to claim 1, wherein the water purification backflushing connection part (50) comprises a connection pipe (51), the connection pipe (51) is rotatably connected inside the end cover B (3), a sliding pipe (52) is slidably connected to the outer side of the connection pipe (51), a rotating ring B (53) is rotatably connected to one end of the sliding pipe (52) close to the end cover B (3), a spring B (54) is arranged between the outer side of the connection pipe (51) and the rotating ring B (53), and a protection pipe (55) is fixed to the outer side of the sliding pipe (52) close to one side of the permeable membrane body (5) of the end cover B (3).
7. The membrane pollution control device according to claim 6, wherein the purified water amount portion (60) comprises a fixed concave tube (61), the fixed concave tube (61) is fixed at a position where the end cover B (3) is far away from one side of the recoil device main body (1) and is close to the connecting tube (51), a connecting ring (62) is rotatably connected to the inside of the fixed concave tube (61), a plurality of stoppers (63) are provided between the fixed concave tube (61) and the connecting ring (62), a movable rod (64) is rotatably connected to one side of the connecting ring (62) close to the fixed concave tube (61), a plurality of movable holes (66) are provided in the inside of the fixed concave tube (61), the movable rod (64) is slidably connected to the inside of the movable holes (66), a movable bar (65) is fixed to one side of the stopper (63) close to the connecting ring (62), a groove (67) is provided on one side of the connecting ring (62) close to the stopper (63), and the movable bar (65) is slidably connected to the inside of the groove (67).
8. The membrane pollution control device according to claim 7, wherein an adjusting member (80) is mounted on the outer side of the connection ring (62), the adjusting member (80) comprises a handle b (83), the handle b (83) is rotatably connected to the inside of the pure water inlet pipe (4), a bevel gear b (82) is fixed to one end of the handle b (83) close to the connection ring (62), an arc-shaped conical rack b (81) is fixed to the outer side of the connection ring (62) and at a position close to the bevel gear b (82), and the bevel gear b (82) is in meshed connection with the arc-shaped conical rack b (81).
9. The membrane pollution control device according to claim 7, wherein the wastewater amount part (70) comprises a porous plate (71), the porous plate (71) is rotatably connected to the outer side of the fixed concave pipe (61) and is close to the position of the end cover B (3), an arc-shaped conical rack a (72) is fixed to the outer side of the porous plate (71), a handle a (74) is rotatably connected to the inner side of the pure water inlet pipe (4), a bevel gear a (73) is fixed to one end of the handle a (74) close to the arc-shaped conical rack a (72), and the bevel gear a (73) is in meshed connection with the arc-shaped conical rack a (72).
10. A membrane pollution control method applied to the membrane pollution control device according to any one of claims 1 to 9, comprising:
the first step: placing a permeable membrane body (5) to be cleaned inside a backflushing device body (1);
and a second step of: the end cover A (2) and the end cover B (3) are arranged at two ends of the recoil device main body (1);
wherein, when the end cover B (3) is mounted at the end of the backflushing device main body (1), the extrusion sealing part (40) and the water purification backflushing connection part (50) are tightly contacted with the end of the permeable membrane main body (5), and the permeable membrane main body (5) is pushed to be close to the friction part (10), so that the permeable membrane main body (5) is limited between the friction part (10) and the extrusion sealing part (40);
and a third step of: injecting pure water into the interior of the squeeze seal (40);
fourth step: by adjusting the purified water amount part (60) and the waste water amount part (70), the purified water injected into the extrusion sealing part (40) and the purified water back flushing connection part (50) is changed, so that the amount of water entering the waste water outlet and the purified water outlet of the permeable membrane main body (5) is adjusted
Fifth step: the driving part (20) is started to drive the friction part (10) to rotate along with the rotation, so that the permeable membrane main body (5) rotates along with the rotation, and then pure water enters the rotary permeable membrane main body (5), and backflushing decontamination is carried out on the permeable membrane main body (5).
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| CN113292172A (en) * | 2021-04-20 | 2021-08-24 | 唐霞芬 | Purification treatment system and purification method for pure water |
| CN113559711A (en) * | 2021-08-12 | 2021-10-29 | 殷富新 | Reverse osmosis membrane equipment and pure water purification process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210278814U (en) * | 2019-05-20 | 2020-04-10 | 浙江碧源环保科技有限公司 | Tubular membrane washs and surveys integrated device |
| CN211133567U (en) * | 2019-11-21 | 2020-07-31 | 镇江沁远电力设备有限公司 | Filter core prevents reverse osmosis membrane jam mechanism |
| CN113292172A (en) * | 2021-04-20 | 2021-08-24 | 唐霞芬 | Purification treatment system and purification method for pure water |
| CN113559711A (en) * | 2021-08-12 | 2021-10-29 | 殷富新 | Reverse osmosis membrane equipment and pure water purification process thereof |
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