CN112717703A - Multifunctional separation membrane cleaning device and cleaning method - Google Patents
Multifunctional separation membrane cleaning device and cleaning method Download PDFInfo
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- CN112717703A CN112717703A CN202011434489.5A CN202011434489A CN112717703A CN 112717703 A CN112717703 A CN 112717703A CN 202011434489 A CN202011434489 A CN 202011434489A CN 112717703 A CN112717703 A CN 112717703A
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- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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Abstract
The invention provides a multifunctional separation membrane cleaning device and a cleaning method, and belongs to the field of cleaning of membrane elements. The problem of current separation membrane belt cleaning device energy consumption too big, cleaning time long, cleaning efficiency low, dismantle the membrane element inconvenient is solved. It includes wiper mechanism, supplies liquid mechanism and control mechanism, wiper mechanism includes front end plate subassembly, glass steel drum and back end plate subassembly, glass steel drum quantity is a plurality of, and the both ends of a plurality of glass steel drums are equallyd divide do not bond with front end plate subassembly and back end plate subassembly, install the film element in the glass steel drum, water inlet and outlet have all been seted up in front end plate subassembly and the back end plate subassembly, water inlet and outlet all link to each other with liquid mechanism, be provided with the pneumatic cylinder in the back end plate subassembly, the pneumatic cylinder links to each other with control mechanism, supply liquid mechanism to provide the washing liquid in the glass steel drum, the flexible of control mechanism control pneumatic cylinder. The cleaning device is mainly used for cleaning membrane elements.
Description
Technical Field
The invention belongs to the field of cleaning of membrane elements, and particularly relates to a multifunctional separation membrane cleaning device and a cleaning method.
Background
Most separation membrane cleaning devices used at present mainly have several conditions, one is online cleaning, the online cleaning has the advantages that a membrane element is not required to be disassembled, but the energy consumption is too large, the cleaning time is long, the whole system is required to operate simultaneously, the second is a cleaning device of a single membrane shell, the cleaning device is not greatly different from an ordinary membrane shell, the cleaning efficiency is low, and the disassembly of the membrane element is inconvenient.
Disclosure of Invention
The invention provides a multifunctional separation membrane cleaning device and a cleaning method for solving the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a multi-functional separation membrane belt cleaning device, it includes wiper mechanism, supplies liquid mechanism and control mechanism, wiper mechanism includes front end plate subassembly, glass steel drum and back end plate subassembly, glass steel drum quantity is a plurality of, and the both ends of a plurality of glass steel drums are equallyd divide and do not bond with front end plate subassembly and back end plate subassembly, install the membrane element in the glass steel drum, water inlet and outlet have all been seted up in front end plate subassembly and the back end plate subassembly, water inlet and outlet all link to each other with supplying liquid mechanism, be provided with the pneumatic cylinder in the back end plate subassembly, the pneumatic cylinder links to each other with control mechanism, supply liquid mechanism to provide the washing liquid in the glass steel drum, control mechanism controls the flexible of pneumatic cylinder.
Still further, supply liquid mechanism and include liquid reserve tank, inlet tube and outlet pipe, inlet tube one end links to each other with the liquid reserve tank, and the other end links to each other with the water inlet on front end plate subassembly and the back end plate subassembly respectively, outlet pipe one end links to each other with the liquid reserve tank, and the other end links to each other with the outlet on front end plate subassembly and the back end plate subassembly respectively.
Furthermore, control mechanism includes centrifugal pump, hydraulic pump and solenoid valve, the centrifugal pump sets up on the inlet tube, the hydraulic pump passes through hydraulic pressure oil pipe and links to each other with the pneumatic cylinder, all be provided with a plurality of solenoid valves on inlet tube and the outlet pipe, centrifugal pump, hydraulic pump and solenoid valve all are connected with the control center communication.
Furthermore, a plurality of solenoid valves are first solenoid valve, second solenoid valve, third solenoid valve and fourth solenoid valve respectively, first solenoid valve sets up in inlet tube and front end plate subassembly linkage segment department, the second solenoid valve sets up in inlet tube and rear end plate subassembly linkage segment department, the third solenoid valve sets up in outlet pipe and front end plate subassembly linkage segment department, the fourth solenoid valve sets up in outlet pipe and rear end plate subassembly linkage segment department.
Furthermore, an exhaust valve is arranged on the water inlet pipe and located between the second electromagnetic valve and the rear end plate assembly.
Furthermore, a reversing valve is arranged on the hydraulic oil pipe.
Furthermore, the liquid storage tank is connected with the dispensing barrel.
Further, the front end plate assembly comprises a front end cover, a front end plate, an end cover cantilever, a hinge, a rotating shaft and a sliding sleeve, wherein a bonding surface used for bonding a glass fiber reinforced plastic cylinder is processed in an inner hole above the front end plate, the hinge is installed on the side wall of the front end plate, the end cover cantilever is installed on the hinge and is connected with the rotating shaft through a pin shaft, the sliding sleeve is installed on the rotating shaft, a limiting step is processed on the rotating shaft and the sliding sleeve, the sliding sleeve is installed on a central hole of the front end plate through a screw, a wedge-shaped sliding block is processed on an excircle of the front end cover and an inner circle of the front end plate, and a water inlet and a water.
Furthermore, a pawl is arranged on the front end plate, a ratchet rack is arranged on the front end cover, and the pawl is connected with the ratchet rack in a matching mode.
Furthermore, the inner surface of the front end cover is of a plane structure, a sealing groove is processed on the end surface of the front end plate, and a sealing ring is installed in the sealing groove.
Furthermore, the inner circular surfaces of the water inlet and the water outlet are respectively tangent to the upper part and the lower part of the inner surface of the inner hole of the front end plate, and the water inlet is obliquely arranged towards the position of the membrane element.
Furthermore, the rear end plate assembly comprises a rear end plate, a rear end cover and a stop block, a plurality of inner holes of the rear end plate are respectively provided with a stop block groove, the stop block is arranged in the stop block groove and connected with the rear end cover, and the hydraulic cylinder is tightly connected onto the rear end cover through a fastening nut.
Furthermore, a sealing groove is processed on a central hole of the rear end cover, and a sealing ring can be installed in the sealing groove.
Furthermore, the water inlet and the water outlet are arranged in a staggered mode.
Furthermore, the front end plate assembly and the rear end plate assembly are connected through a plurality of pull rods.
Furthermore, a glass fiber reinforced plastic shield is arranged between the front end plate assembly and the rear end plate assembly.
Further, the membrane element is confined within the glass fiber reinforced plastic cylinder by a central plug.
Furthermore, the cleaning mechanism, the liquid supply mechanism and the control mechanism are all arranged on the trolley assembly, the cleaning mechanism is arranged in an inclined mode, and the position of the front end plate assembly is higher than that of the rear end plate assembly.
Furthermore, the number of the glass fiber reinforced plastic cylinders is four.
The invention also provides a cleaning method of the multifunctional separation membrane cleaning device, which comprises the following three cleaning modes:
flush end face mode: pumping the cleaning liquid medicine out through a centrifugal pump and conveying the cleaning liquid medicine to a water inlet pipe, wherein a first electromagnetic valve and a second electromagnetic valve are in an open state, an exhaust valve is in a closed state, the cleaning liquid medicine is enabled to simultaneously wash the front end face and the rear end face of the membrane element, and a third electromagnetic valve and a fourth electromagnetic valve on a water outlet pipe are also in an open state, so that the cleaning liquid medicine flows back to a liquid storage tank;
soaking mode: pumping the cleaning liquid medicine out through a centrifugal pump and conveying the cleaning liquid medicine to a water inlet pipe, wherein a first electromagnetic valve is in an open state, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve are in a closed state, and an exhaust valve is in an open state, so that the cleaning liquid medicine enters from a front end plate assembly, the inner space of a glass fiber reinforced plastic cylinder is filled, and a membrane element is completely soaked in the liquid medicine;
a water passing mode: the cleaning liquid medicine pump is pumped out through the centrifugal pump and conveyed to the water inlet pipe, the first electromagnetic valve is in an open state, the second electromagnetic valve is in a closed state, the cleaning liquid medicine is made to enter from the front end plate assembly, the third electromagnetic valve on the front end plate assembly is in a closed state, the fourth electromagnetic valve is in an open state, the cleaning liquid medicine flows back to the liquid storage tank through the water outlet pipe of the rear end plate assembly, the cleaning liquid medicine circulates in this way, and stains and sundries on the membrane element are taken away through water flow.
Compared with the prior art, the invention has the beneficial effects that: the invention solves the problems of too large energy consumption, long cleaning time, low cleaning efficiency and inconvenient membrane element disassembly of the existing separation membrane cleaning device. The invention can clean a plurality of membrane elements at the same time, and has high cleaning efficiency, good effect and convenient operation; install and remove the membrane element end and set up the structure that closes fast, realize quick dismouting. The hydraulic cylinder can quickly eject the film element, so that the film element is time-saving and labor-saving to assemble and disassemble. The movable cleaning machine has a movable function, can be cleaned nearby, and avoids the time and labor force for carrying. 3 working modes of a flushing end face mode, a soaking mode and a water passing mode are provided and sequentially carried out, and the completion of membrane element cleaning can be automatically judged according to the water passing pressure.
Drawings
FIG. 1 is a schematic perspective view of a cleaning mechanism according to the present invention;
FIG. 2 is a schematic cross-sectional view of a cleaning mechanism according to the present invention;
FIG. 3 is a schematic front perspective view of a multifunctional separation membrane cleaning device according to the present invention;
FIG. 4 is a schematic view of a back side perspective structure of a multifunctional separation membrane cleaning device according to the present invention;
FIG. 5 is a schematic perspective view of a front endplate assembly in accordance with the present invention;
FIG. 6 is a cross-sectional view of the front endplate assembly of the present invention;
FIG. 7 is a perspective view of the rear endplate assembly of the present invention;
FIG. 8 is a cross-sectional view of the rear endplate assembly in accordance with the present invention;
FIG. 9 is a schematic plan view of a front end plate according to the present invention;
FIG. 10 is a cross-sectional view of a front end plate according to the present invention;
FIG. 11 is a schematic plan view of a rear end plate according to the present invention;
FIG. 12 is a cross-sectional view of the rear end plate of the present invention;
FIG. 13 is a schematic plan view of a front end cap according to the present invention;
FIG. 14 is a cross-sectional view of the front end cap of the present invention;
FIG. 15 is a schematic plan view of a rear end cap according to the present invention;
FIG. 16 is a cross-sectional view of a rear end cap according to the present invention;
FIG. 17 is a cleaning schematic diagram of the multifunctional separation membrane cleaning device according to the present invention.
1-front end plate component, 2-glass fiber reinforced plastic cylinder, 3-pull rod, 4-glass fiber reinforced plastic shield, 5-rear end plate component, 6-membrane component, 7-center plug, 8-liquid storage tank, 9-trolley component, 10-centrifugal pump, 11-hydraulic pump, 12-water inlet pipe, 13-water outlet pipe, 14-electromagnetic valve, 15-hydraulic oil pipe, 16-dispensing barrel, 17-water inlet, 18-water outlet, 19-reversing valve, 20-exhaust valve, 21-first electromagnetic valve, 22-second electromagnetic valve, 23-third electromagnetic valve, 24-fourth electromagnetic valve, 1-1-front end cover, 1-2-front end plate, 1-3-pawl, 1-4-end cover cantilever, 1-5-hinge, 1-6-rotating shaft, 1-7-sliding sleeve, 1-8-ratchet rack, 5-1-rear end plate, 5-2-hydraulic cylinder, 5-3-fastening nut, 5-4-rear end cover and 5-5-stop block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely explained below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1-17 to illustrate the embodiment, the multifunctional separating membrane cleaning device comprises a cleaning mechanism, a liquid supply mechanism and a control mechanism, the cleaning mechanism comprises a front end plate assembly 1, a plurality of glass fiber reinforced plastic cylinders 2 and a rear end plate assembly 5, wherein the number of the glass fiber reinforced plastic cylinders 2 is multiple, two ends of the plurality of glass fiber reinforced plastic cylinders 2 are respectively bonded with the front end plate assembly 1 and the rear end plate assembly 5, a membrane element 6 is arranged in the glass fiber reinforced plastic cylinder 2, a water inlet 17 and a water outlet 18 are respectively arranged in the front end plate assembly 1 and the rear end plate assembly 5, the water inlet 17 and the water outlet 18 are both connected with a liquid supply mechanism, a hydraulic cylinder 5-2 is arranged in the rear end plate component 5, the hydraulic cylinder 5-2 is connected with a control mechanism, the liquid supply mechanism supplies cleaning liquid to the glass fiber reinforced plastic cylinder 2, and the control mechanism controls the hydraulic cylinder 5-2 to stretch.
This embodiment supplies liquid mechanism includes liquid reserve tank 8, inlet tube 12 and outlet pipe 13, and inlet tube 12 one end links to each other with liquid reserve tank 8, and the other end links to each other with water inlet 17 on preceding end plate subassembly 1 and the back end plate subassembly 5 respectively, and outlet pipe 13 one end links to each other with liquid reserve tank 8, and the other end links to each other with outlet 18 on preceding end plate subassembly 1 and the back end plate subassembly 5 respectively, and liquid reserve tank 8 links to each other with dispensing barrel 16. The cleaning liquid medicine in the liquid storage tank 8 is pumped into the cavity through the centrifugal pump 10 by the water inlet pipe 12 to clean the membrane element 6, and the cleaned liquid medicine flows back into the liquid storage tank 8 through the water outlet pipe 13 to be recycled. The control mechanism comprises a centrifugal pump 10, a hydraulic pump 11 and electromagnetic valves 14, the centrifugal pump 10 is arranged on a water inlet pipe 12, the hydraulic pump 11 is connected with a hydraulic cylinder 5-2 through a hydraulic oil pipe 15, the water inlet pipe 12 and a water outlet pipe 13 are respectively provided with a plurality of electromagnetic valves 14, the centrifugal pump 10, the hydraulic pump 11 and the electromagnetic valves 14 are all in communication connection with a control center, and the electromagnetic valves 14 are used for controlling the on-off of the water pipe to realize various cleaning modes. The hydraulic oil pipe 15 provides power for the hydraulic cylinder 5-2 installed on the rear end plate assembly 5 through the hydraulic pump 11, and the membrane element 6 can be ejected out for a certain distance when the membrane element 6 is detached through the back-and-forth movement of the piston on the hydraulic cylinder 5-2, so that the detachment of the membrane element 6 is facilitated. The plurality of electromagnetic valves 14 are respectively a first electromagnetic valve 21, a second electromagnetic valve 22, a third electromagnetic valve 23 and a fourth electromagnetic valve 24, the first electromagnetic valve 21 is arranged at the joint of the water inlet pipe 12 and the front end plate assembly 1, the second electromagnetic valve 22 is arranged at the joint of the water inlet pipe 12 and the rear end plate assembly 5, the third electromagnetic valve 23 is arranged at the joint of the water outlet pipe 13 and the front end plate assembly 1, and the fourth electromagnetic valve 24 is arranged at the joint of the water outlet pipe 13 and the rear end plate assembly 5. The water inlet pipe 12 is provided with an exhaust valve 20, and the exhaust valve 20 is positioned between the second electromagnetic valve 22 and the rear end plate assembly 5. The hydraulic oil pipe 15 is provided with a reversing valve 19.
The front end plate assembly 1 comprises a front end cover 1-1, a front end plate 1-2, an end cover cantilever 1-4, a hinge 1-5, a rotating shaft 1-6 and a sliding sleeve 1-7, wherein an adhesive surface for adhering a glass fiber reinforced plastic cylinder 2 is processed in an inner hole on the front end plate 1-2, the hinge 1-5 is arranged on the side wall of the front end plate 1-2, the end cover cantilever 1-4 is arranged on the hinge 1-5, the end cover cantilever 1-4 is connected with the rotating shaft 1-6 through a pin shaft, the sliding sleeve 1-7 is arranged on the rotating shaft 1-6, limiting steps are processed on the rotating shaft 1-6 and the sliding sleeve 1-7, the sliding sleeve 1-7 is arranged on a central hole of the front end cover 1-1 through a screw, wedge-shaped sliding blocks are processed on an excircle of the front end cover 1-1, the front end plate 1-2 is provided with a water inlet 17 and a water outlet 18, the front end cover 1-1 can rotate to a position parallel to the front end plate 1-2 through an end cover cantilever 1-4, then the front end cover 1-1 is rotated to enter an inner hole of the front end plate 1-2, and the front end cover 1-1 can be screwed through wedge-shaped sliding blocks of the front end cover and the front end cover. The front end plate 1-2 is provided with a pawl 1-3, the front end cover 1-1 is provided with a ratchet rack 1-8, and the pawl 1-3 is matched and connected with the ratchet rack 1-8 to prevent the front end cover 1-1 from being loosened due to reverse rotation. The inner surface of the front end cover 1-1 is of a plane structure, a sealing groove is processed on the end surface of the front end plate 1-2, a sealing ring is installed in the sealing groove, and the middle sealing ring plays a role in sealing after the front end cover 1-1 and the front end plate 1-2 are tightly pressed. The inner circular surfaces of the water inlet 17 and the water outlet 18 are respectively tangent to the upper part and the lower part of the inner surface of the inner hole of the front end plate 1-2, the water inlet 17 is obliquely arranged towards the position of the membrane element 6, so that when water enters the water inlet 17, water flow forms flowing vortex along the inner circle to wash the front end surface of the membrane element 6, and because the water inlet 17 and the water outlet 18 are arranged in a staggered mode, the water in the water inlet 17 cannot directly rotate to the water outlet 18 to flow out.
The rear end plate assembly 5 comprises a rear end plate 5-1, a rear end cover 5-4 and a stop block 5-5, a plurality of inner holes of the rear end plate 5-1 are respectively provided with a stop block groove, the stop block 5-5 is arranged in the stop block groove, the stop block 5-5 is connected with the rear end cover 5-4, a hydraulic cylinder 5-2 is tightly connected to the rear end cover 5-4 through a fastening nut 5-3, a central hole of the rear end cover 5-4 is provided with a sealing groove, the sealing groove can be provided with a sealing ring to play a sealing role, and the hydraulic cylinder 5-2 is used for ejecting the membrane element 6 for a certain distance when the membrane element 6 is detached, so that the detachment is convenient. The rear end plate 5-1 is also provided with a water inlet 17 and a water outlet 18, and the principle and the structure are completely the same as those of the water inlet 17 and the water outlet 18 on the front end plate 1-2.
The cleaning mechanism, the liquid supply mechanism and the control mechanism are all arranged on the trolley component 9, the cleaning mechanism is obliquely arranged, the position of the front end plate component 1 is higher than that of the rear end plate component 5, the number of the glass fiber reinforced plastic cylinders 2 is four, the front end plate component 1 is connected with the rear end plate component 5 through the pull rods 3, the structural strength is improved, a glass fiber reinforced plastic shield 4 is arranged between the front end plate component 1 and the rear end plate component 5, the glass fiber reinforced plastic cylinder 2 inside is protected by the glass fiber reinforced plastic shield 4 outside, a limit step is arranged on the rear end plate 5-1, the membrane element 6 is limited in the glass fiber reinforced plastic cylinder 2 by the front end through the central plug 7, and the membrane element 6 is prevented from moving back and forth.
The embodiment is a cleaning method of a multifunctional separation membrane cleaning device, which comprises the following three cleaning modes:
flush end face mode: the cleaning liquid medicine is pumped out and conveyed to the water inlet pipe 12 through the centrifugal pump 10, the first electromagnetic valve 21 and the second electromagnetic valve 22 are in an open state, the exhaust valve 20 is in a closed state, the cleaning liquid medicine is enabled to simultaneously wash the front end face and the rear end face of the membrane element 6, meanwhile, the third electromagnetic valve 23 and the fourth electromagnetic valve 24 on the water outlet pipe 13 are also in an open state, and the cleaning liquid medicine is enabled to flow back to the liquid storage tank 8, and the mode is mainly used for cleaning stains on the end face of the;
soaking mode: pumping the cleaning liquid medicine out through the centrifugal pump 10 and conveying the cleaning liquid medicine to the water inlet pipe 12, wherein the first electromagnetic valve 21 is in an open state, the second electromagnetic valve 22, the third electromagnetic valve 23 and the fourth electromagnetic valve 24 are in a closed state, and the exhaust valve 20 is in an open state, so that the cleaning liquid medicine enters from the front end plate assembly 1, the inner space of the glass fiber reinforced plastic cylinder 2 is filled, and the membrane element 6 is completely soaked in the liquid medicine;
a water passing mode: the cleaning liquid medicine is pumped out by the centrifugal pump 10 and is conveyed to the water inlet pipe 12, the first electromagnetic valve 21 is in an open state, the second electromagnetic valve 22 is in a closed state, the cleaning liquid medicine enters from the front end plate assembly 1, meanwhile, the third electromagnetic valve 23 on the front end plate assembly is in a closed state, the fourth electromagnetic valve 24 is in an open state, the cleaning liquid medicine flows back to the liquid storage tank 8 through the water outlet pipe 13 of the rear end plate assembly 5, the cleaning liquid medicine circulates by the way, and stains and sundries on the membrane element 6 are taken away through water flow.
All the actions are completed through a PLC control center, and the automatic control function is realized.
The multifunctional separation membrane cleaning device and the cleaning method provided by the invention are described in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (20)
1. The utility model provides a multi-functional separation membrane belt cleaning device which characterized in that: it comprises a cleaning mechanism, a liquid supply mechanism and a control mechanism, wherein the cleaning mechanism comprises a front end plate component (1), a glass fiber reinforced plastic cylinder (2) and a rear end plate component (5), the number of the glass fiber reinforced plastic cylinders (2) is multiple, two ends of the glass fiber reinforced plastic cylinders (2) are respectively bonded with the front end plate component (1) and the rear end plate component (5), a membrane element (6) is arranged in the glass fiber reinforced plastic cylinder (2), a water inlet (17) and a water outlet (18) are respectively arranged in the front end plate component (1) and the rear end plate component (5), the water inlet (17) and the water outlet (18) are both connected with a liquid supply mechanism, a hydraulic cylinder (5-2) is arranged in the rear end plate component (5), the hydraulic cylinder (5-2) is connected with a control mechanism, the liquid supply mechanism supplies cleaning liquid into the glass fiber reinforced plastic cylinder (2), and the control mechanism controls the hydraulic cylinder (5-2) to stretch.
2. The multifunctional separation membrane cleaning device according to claim 1, wherein: the liquid supply mechanism comprises a liquid storage tank (8), a water inlet pipe (12) and a water outlet pipe (13), one end of the water inlet pipe (12) is connected with the liquid storage tank (8), the other end of the water inlet pipe is connected with a water inlet (17) in the front end plate assembly (1) and the rear end plate assembly (5) respectively, one end of the water outlet pipe (13) is connected with the liquid storage tank (8), and the other end of the water outlet pipe is connected with a water outlet (18) in the front end plate assembly (1) and the rear end plate assembly (5) respectively.
3. The multifunctional separation membrane cleaning device according to claim 2, wherein: the control mechanism comprises a centrifugal pump (10), a hydraulic pump (11) and electromagnetic valves (14), wherein the centrifugal pump (10) is arranged on a water inlet pipe (12), the hydraulic pump (11) is connected with a hydraulic cylinder (5-2) through a hydraulic oil pipe (15), the water inlet pipe (12) and a water outlet pipe (13) are respectively provided with a plurality of electromagnetic valves (14), and the centrifugal pump (10), the hydraulic pump (11) and the electromagnetic valves (14) are all in communication connection with a control center.
4. The multifunctional separation membrane cleaning device according to claim 3, wherein: a plurality of solenoid valves (14) are first solenoid valve (21), second solenoid valve (22), third solenoid valve (23) and fourth solenoid valve (24) respectively, first solenoid valve (21) set up in inlet tube (12) and preceding end plate subassembly (1) linkage segment department, second solenoid valve (22) set up in inlet tube (12) and back end plate subassembly (5) linkage segment department, third solenoid valve (23) set up in outlet pipe (13) and preceding end plate subassembly (1) linkage segment department, fourth solenoid valve (24) set up in outlet pipe (13) and back end plate subassembly (5) linkage segment department.
5. The multifunctional separation membrane cleaning device according to claim 4, wherein: be provided with discharge valve (20) on inlet tube (12), discharge valve (20) are located between second solenoid valve (22) and back end plate subassembly (5).
6. The multifunctional separation membrane cleaning device according to claim 3, wherein: and a reversing valve (19) is arranged on the hydraulic oil pipe (15).
7. The multifunctional separation membrane cleaning device according to claim 2, wherein: the liquid storage tank (8) is connected with a dispensing barrel (16).
8. The multifunctional separation membrane cleaning device according to claim 1, wherein: the front end plate assembly (1) comprises a front end cover (1-1), a front end plate (1-2), an end cover cantilever (1-4), a hinge (1-5), a rotating shaft (1-6) and a sliding sleeve (1-7), wherein a bonding surface for bonding the glass fiber reinforced plastic cylinder (2) is processed in an inner hole above the front end plate (1-2), the hinge (1-5) is installed on the side wall of the front end plate (1-2), the end cover cantilever (1-4) is installed on the hinge (1-5), the end cover cantilever (1-4) is connected with the rotating shaft (1-6) through a pin shaft, the sliding sleeve (1-7) is installed on the rotating shaft (1-6), and limiting steps are processed on the rotating shaft (1-6) and the sliding sleeve (1-7), the sliding sleeve (1-7) is mounted on a center hole of the front end cover (1-1) through a screw, wedge-shaped sliding blocks are processed on the outer circle of the front end cover (1-1) and the inner circle of the front end plate (1-2), and a water inlet (17) and a water outlet (18) are formed in the front end plate (1-2).
9. The multifunctional separation membrane cleaning device according to claim 8, wherein: the front end plate (1-2) is provided with a pawl (1-3), the front end cover (1-1) is provided with a ratchet rack (1-8), and the pawl (1-3) is connected with the ratchet rack (1-8) in a matching manner.
10. The multifunctional separation membrane cleaning device according to claim 8, wherein: the inner face of the front end cover (1-1) is of a plane structure, a sealing groove is machined in the end face of the front end plate (1-2), and a sealing ring is installed in the sealing groove.
11. The multifunctional separation membrane cleaning device according to claim 8, wherein: the inner circular surfaces of the water inlet (17) and the water outlet (18) are respectively tangent to the upper part and the lower part of the inner surface of the inner hole of the front end plate (1-2), and the water inlet (17) is obliquely arranged towards the position of the membrane element (6).
12. The multifunctional separation membrane cleaning device according to claim 1, wherein: rear end plate subassembly (5) are including rear end plate (5-1), rear end cap (5-4) and dog (5-5), it has the dog groove to divide equally to process respectively in a plurality of holes of rear end plate (5-1), dog (5-5) set up in the dog groove, dog (5-5) link to each other with rear end cap (5-4), pneumatic cylinder (5-2) are through fastening nut (5-3) zonulae occludens on rear end cap (5-4).
13. The multifunctional separation membrane cleaning device according to claim 12, wherein: and a sealing groove is processed on a central hole of the rear end cover (5-4), and a sealing ring can be installed on the sealing groove.
14. The multifunctional separation membrane cleaning device according to claim 1, wherein: the water inlet (17) and the water outlet (18) are arranged in a staggered manner.
15. The multifunctional separation membrane cleaning device according to claim 1, wherein: the front end plate assembly (1) is connected with the rear end plate assembly (5) through a plurality of pull rods (3).
16. The multifunctional separation membrane cleaning device according to claim 1, wherein: and a glass fiber reinforced plastic shield (4) is arranged between the front end plate assembly (1) and the rear end plate assembly (5).
17. The multifunctional separation membrane cleaning device according to claim 1, wherein: the membrane element (6) is confined in the glass fiber reinforced plastic cylinder (2) by a central plug (7).
18. The multifunctional separation membrane cleaning device according to claim 1, wherein: the cleaning mechanism, the liquid supply mechanism and the control mechanism are all arranged on the trolley assembly (9), the cleaning mechanism is arranged in an inclined mode, and the position of the front end plate assembly (1) is higher than that of the rear end plate assembly (5).
19. The multifunctional separation membrane cleaning device according to claim 1, wherein: the number of the glass fiber reinforced plastic cylinders (2) is four.
20. A cleaning method of the multifunctional separation membrane cleaning apparatus according to claim 1, characterized in that: the cleaning device comprises the following three cleaning modes:
flush end face mode: pumping cleaning liquid medicine out through a centrifugal pump (10) and conveying the cleaning liquid medicine to a water inlet pipe (12), enabling a first electromagnetic valve (21) and a second electromagnetic valve (22) to be in an open state, enabling an exhaust valve (20) to be in a closed state, enabling the cleaning liquid medicine to simultaneously wash the front end face and the rear end face of a membrane element (6), enabling a third electromagnetic valve (23) and a fourth electromagnetic valve (24) on a water outlet pipe (13) to be in an open state, and enabling the cleaning liquid medicine to flow back to a liquid storage tank (8), wherein the mode is mainly that stains on the end face of the membrane element (;
soaking mode: pumping out the cleaning liquid medicine through a centrifugal pump (10) and conveying the cleaning liquid medicine to a water inlet pipe (12), wherein a first electromagnetic valve (21) is in an open state, a second electromagnetic valve (22), a third electromagnetic valve (23) and a fourth electromagnetic valve (24) are in a closed state, and an exhaust valve (20) is in an open state, so that the cleaning liquid medicine enters from a front end plate assembly (1), the inner space of a glass fiber reinforced plastic cylinder (2) is filled, and a membrane element (6) is completely soaked in the liquid medicine;
a water passing mode: will wash the liquid medicine pump through centrifugal pump (10) and carry inlet tube (12), first solenoid valve (21) are the open mode, second solenoid valve (22) are the closed mode, make and wash the liquid medicine and get into by front end plate subassembly (1), third solenoid valve (23) on the while are the closed mode, fourth solenoid valve (24) are the open mode, make and wash the liquid medicine and flow back to liquid reserve tank (8) through outlet pipe (13) of rear end plate subassembly (5), the liquid medicine of washing is with this circulation, take away spot and debris on with film element (6) through rivers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011434489.5A CN112717703B (en) | 2020-12-10 | 2020-12-10 | Multifunctional separation membrane cleaning device and cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011434489.5A CN112717703B (en) | 2020-12-10 | 2020-12-10 | Multifunctional separation membrane cleaning device and cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112717703A true CN112717703A (en) | 2021-04-30 |
| CN112717703B CN112717703B (en) | 2021-10-15 |
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| US5512167A (en) * | 1994-06-08 | 1996-04-30 | Case Engineering & Laboratory, Inc. | Backpulse piston assembly for crossflow filters |
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