CN115845622A - Hollow curtain type fiber membrane component - Google Patents
Hollow curtain type fiber membrane component Download PDFInfo
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- CN115845622A CN115845622A CN202310196167.9A CN202310196167A CN115845622A CN 115845622 A CN115845622 A CN 115845622A CN 202310196167 A CN202310196167 A CN 202310196167A CN 115845622 A CN115845622 A CN 115845622A
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- fiber membrane
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- curtain
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
A hollow curtain type fiber membrane component comprises a water outlet pipe, an upper supporting rod and a lower supporting rod, wherein a curtain type fiber membrane unit is connected between the upper supporting rod and the lower supporting rod, an aeration pipeline is arranged at the bottom of the lower supporting rod, the hollow curtain type fiber membrane component further comprises an automatic swinging mechanism, the automatic swinging mechanism comprises a swinging executing mechanism, a swinging control mechanism and a blockage detection mechanism, the blockage situation in the curtain type fiber membrane unit is detected through the setting of the blockage detection mechanism, and the swinging starting and stopping time and the swinging amplitude of the swinging executing mechanism are controlled through the swinging control mechanism. The end parts of the curtain type fiber membrane units can rotate at a certain angle, so that the contact area between air bubbles generated by the aeration pipelines and the root parts of the curtain type fiber membrane units is increased, the cleaning capability of the root parts of the curtain type fiber membrane units is improved, and the aeration cleaning capability of the root parts of the fiber membranes is automatically improved.
Description
Technical Field
The invention relates to a membrane assembly, in particular to a hollow curtain type fiber membrane assembly.
Background
The hollow curtain type fiber membrane can generate sludge aggregation at the top end and the root part in the using process, even if a bottom aeration device is adopted, the air bubbles are difficult to effectively clean the root part of the fiber membrane, and the root part of the fiber membrane with a large amount of accumulated sludge can cause the root part of the fiber membrane to break, thus causing the problems of sewage leakage, difficult cleaning and the like. If the aeration quantity is simply increased, on one hand, the aeration energy consumption is increased, and on the other hand, the large aeration quantity can damage the surface of the fiber membrane, so that the fiber membrane is broken. Therefore, the development direction of the hollow curtain type fiber membrane component basically focuses on two directions of improving the root strength and improving the curtain type fiber membrane component structure, so that the cleaning capability of the hollow curtain type fiber membrane to the root of the fiber membrane in the using process is expected to be improved, the service life of the fiber membrane component is prolonged, and the aeration energy consumption in the using process of the fiber membrane component is reduced. The improvement in the prior art is mostly focused on the forming process of the fiber membrane module and the arrangement and angle of the aeration pipes. However, if the number of aeration holes is simply increased, the synchronization will also result in the increase of aeration energy consumption.
Therefore, it is required to design a hollow curtain type fiber membrane module, so that the fiber membrane can automatically improve the aeration cleaning capability of the root of the fiber membrane under the condition of a conventional aeration structure during the use process.
Disclosure of Invention
The invention aims to provide a hollow curtain type fiber membrane component to solve the technical problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a hollow curtain formula fiber membrane subassembly, includes outlet pipe, upper strut and lower branch, is connected with curtain formula fiber membrane unit between upper strut and the lower branch, and in the bottom of lower branch, is provided with the aeration pipe, its characterized in that: the automatic fiber membrane unit blockage detection device is characterized by further comprising an automatic swinging mechanism, wherein the automatic swinging mechanism comprises a swinging execution mechanism, a swinging control mechanism and a blockage detection mechanism, the blockage situation in the curtain type fiber membrane unit is detected through the blockage detection mechanism, and the swinging starting and stopping time and the swinging amplitude of the swinging execution mechanism are controlled through the swinging control mechanism.
Preferably, the curtain fiber membrane unit comprises an upper end portion, a lower end portion and the fiber membrane, wherein two ends of the fiber membrane in the form of a long curtain are respectively fixed in the upper end portion and the lower end portion, the upper end portion is hinged to the upper support rod through a rotating shaft, and the lower end portion is hinged to the lower support rod through a rotating shaft.
Preferably, the length of the curtain fiber membrane unit is greater than the distance between the upper and lower struts.
Preferably, the swing actuating mechanism comprises a driving gear, a guide rack, an upper swing fork, a pull rope and a lower swing fork; the upper swing fork and the lower swing fork are of a V-shaped structure, the upper swing fork comprises an upper driven rotating shaft and upper stabilizing rods symmetrically arranged on the left side and the right side of the upper driven rotating shaft, and the upper stabilizing rods are connected with the upper driven rotating shaft through upper connecting rods; the lower swing fork comprises a lower driven rotating shaft and lower stabilizer bars symmetrically arranged on the left side and the right side of the lower driven rotating shaft, and the lower stabilizer bars are connected with the lower driven rotating shaft through lower connecting rods.
Preferably, the upper driven rotating shaft is fixedly connected with the outer wall of the upper end part and is coaxial with the hinged rotating shaft of the upper end part; the lower driven rotating shaft is fixedly connected with the outer wall of the lower end part and is coaxial with the hinged rotating shaft of the lower end part; and a guy cable is connected between the upper stabilizer bar and the lower stabilizer bar on the upper and lower corresponding sides.
Preferably, the periphery of the upper driven rotating shaft is provided with a gear ring, the guide rack is arranged on the upper support rod in a sliding manner, the upper side and the lower side of the guide rack are both provided with teeth, and the upper driven rotating shaft and the lower side of the guide rack are meshed with each other through the teeth; the driving gear is rotatably arranged in the center of the upper support rod and is meshed with the upper side of the guide rack.
Preferably, the two upper stabilizer bars and the two lower stabilizer bars are projected in a direction perpendicular to an extending direction of the curtain fiber film unit, and the curtain fiber film unit is bound between the two upper stabilizer bars and the two lower stabilizer bars.
Preferably, the swing control mechanism comprises an input signal line, a single chip microcomputer controller and an output signal line, one end of the input signal line is connected with the blockage detection mechanism, the other end of the input signal line is connected to the input end of the single chip microcomputer controller, one end of the output signal line is connected with the output end of the single chip microcomputer controller, and the other end of the output signal line is connected with a servo motor of the driving gear.
Preferably, the blockage detection mechanism comprises a pressure pipe, a piston, an extension spring, a pull rope, a rotary encoder and a communicating pipe, wherein the pressure pipe is in a right-angle or straight-line pipeline structure with two open ends.
Preferably, pistons are slidably mounted at both ends of the pressure pipe, slide at the end part of the pressure pipe and are limited by the inner wall of the pressure pipe; an extension spring is connected between the piston and the end of the pressure pipe, and applies pulling force moving towards the pressure pipe port to the piston; a communicating pipe is communicated between the middle part of the pressure pipe and the water outlet pipe; the end part of a pull rope of the rotary encoder is fixedly connected to the piston; the output end of the rotary encoder is connected with an input signal line.
The invention has the beneficial effects that:
1. this application is through the upper end portion with curtain-type fibre membrane unit with lower tip rotation hinge set up on last branch and lower branch, the length that sets up curtain-type fibre membrane unit simultaneously is greater than the distance between the upper and lower branch, make curtain-type fibre membrane unit's tip can carry out the rotation of certain angle, increase the area of contact of the bubble that the aeration pipe produced and curtain-type fibre membrane unit root like this, improve the cleaning ability to curtain-type fibre membrane unit root, make the fibre membrane can be under the condition of conventional aeration structure in the use, automatic improvement is to the aeration cleaning ability of fibre membrane root.
2. The utility model provides a swing actuating mechanism drives upper end portion and lower tip and can the horizontal hunting, exposes the side at curtain fiber membrane unit root in the top of aeration bubble, improves the cleaning ability to curtain fiber membrane unit root to, through the setting of swing fork and the connection of cable about the V type, make the swing opposite direction of upper end portion and lower tip, can make the middle part minimize swing of curtain fiber membrane unit, avoid the fracture that the fragile fiber membrane in middle part swung and caused in sewage. Meanwhile, due to the arrangement of the upper stabilizer bar and the lower stabilizer bar, the amplitude of the curtain type fiber film close to the root in the swinging process can be restrained, and the curtain type fiber film at the root is prevented from being broken due to large distortion.
3. According to the device, the spring piston mechanism in the pressure pipe is arranged, so that the blocking condition in the curtain type fiber membrane unit can be indirectly and accurately detected through the rotary encoder and the filtered water quantity in the pressure pipe, and the swing start-stop time and the swing amplitude of the swing actuating mechanism are controlled through the swing control mechanism.
Drawings
FIG. 1 is a schematic structural view of a hollow curtain fiber membrane module of the present application;
FIG. 2 is a schematic view of the oscillating structure of the hollow curtain fiber membrane of the present application;
fig. 3 is a schematic structural diagram of an automated swinging mechanism of the hollow curtain fiber membrane module of the present application.
In the figure: 1. a water outlet pipe; 11. a water pumping port; 2. an upper support rod; 3. a lower support rod; 4. a curtain fiber membrane unit; 41. an upper end portion; 42. a lower end portion; 43. a fibrous membrane; 5. an aeration pipe; 6. a swing actuator; 7. a swing control mechanism; 9. a jam detection mechanism; 61. a drive gear; 62. a guide rack; 63. an upper swing fork; 64. a cable; 65. a lower swing fork; 631. an upper driven rotating shaft; 632. an upper connecting rod; 633. an upper stabilizer bar; 651. a lower driven rotating shaft; 652. a lower connecting rod; 653. a lower stabilizer bar; 72. an input signal line; 71. an output signal line; 96. a pressure pipe; 91. a piston; 92. an extension spring; 93. pulling a rope; 94. a rotary encoder; 95. a communication pipe is provided.
Detailed description of the preferred embodiments
The following detailed description of the preferred embodiments will be made with reference to the accompanying drawings.
Fig. 1-3 show schematic structural diagrams of the hollow curtain fiber membrane module of the present application. The curtain type fiber membrane component comprises a water outlet pipe 1, an upper support rod 2 and a lower support rod 3, wherein a curtain type fiber membrane unit 4 is connected between the upper support rod 2 and the lower support rod 3. The water outlet pipe 1 is fixed above the upper support rod 2, and the bottom of the water outlet pipe 1 is communicated with each curtain type fiber membrane unit 4. The curtain fiber membrane unit 4 includes an upper end portion 41, a lower end portion 42, and a fiber membrane 43, and both ends of the fiber membrane 43 in the form of a long curtain are fixed to the upper end portion 41 and the lower end portion 42, respectively. The upper end part 41 is hinged and fixed on the upper support rod 2 through a rotating shaft, and the lower end part 42 is hinged and fixed on the lower support rod 3 through a rotating shaft. An aeration pipeline 5 is arranged at the bottom of the lower support rod 3. The length of the curtain fibre membrane unit 4 is greater than the distance between the upper strut 2 and the lower strut 3.
As shown in fig. 2, the upper end 41 and the lower end 42 of the curtain fiber membrane unit 4 are rotatably hinged to the upper support rod 2 and the lower support rod 3, and the length of the curtain fiber membrane unit 4 is greater than the distance between the upper support rod and the lower support rod, so that the end of the curtain fiber membrane unit 4 can rotate at a certain angle, thereby increasing the contact area between the air bubbles generated by the aeration pipe 5 and the root of the curtain fiber membrane unit 4 and improving the cleaning capability of the root of the curtain fiber membrane unit 4. In order to allow the end of the curtain fiber membrane unit 4 to swing to the left and right automatically when the degree of contamination is high, an automatic swing mechanism is provided as shown in fig. 3.
The automatic swing mechanism comprises a swing executing mechanism 6, a swing control mechanism 7 and a blockage detection mechanism 9. The swing actuator 6 includes a drive gear 61, a guide rack 62, an upper swing fork 63, a cable 64, and a lower swing fork 65. The upper swing fork 63 and the lower swing fork 65 are both in a V-shaped structure, the upper swing fork 63 comprises an upper driven rotating shaft 631 and upper stabilizer bars 633 symmetrically arranged on the left side and the right side of the upper driven rotating shaft 631, and the upper stabilizer bars 633 are connected with the upper driven rotating shaft 631 through upper connecting rods 632; the lower swing fork 65 includes a lower driven rotation shaft 651 and lower stabilizer bars 653 symmetrically disposed on both left and right sides of the lower driven rotation shaft 651, and the lower stabilizer bars 653 and the lower driven rotation shaft 651 are connected by a lower link 652. The upper driven rotating shaft 631 is fixedly connected with the outer wall of the upper end portion 41 and is coaxial with the hinge rotating shaft of the upper end portion 41; the lower driven rotation shaft 651 is fixedly connected to the outer wall of the lower end portion 42, and is coaxial with the hinge rotation shaft of the lower end portion 42. A cable 64 is connected between the upper stabilizer 633 and the lower stabilizer 653 on the vertically corresponding side. The periphery of last driven rotating shaft 631 is provided with the ring gear, and guide rack 62 slides and sets up on last branch 2, and the upper and lower both sides of guide rack 62 all are provided with the tooth, and the tooth intermeshing is passed through with the downside of guide rack 62 to last driven rotating shaft 631. A driving gear 61 is rotatably provided at the center of the upper shaft 2, and the driving gear 61 is engaged with the upper side of the guide rack 62. The two upper stabilizer bars 633 and the two lower stabilizer bars 653 protrude in a direction perpendicular to the direction in which the curtain fiber film unit 4 extends, so that the curtain fiber film unit 4 is bound between the two upper stabilizer bars 633 and the two lower stabilizer bars 653. The driving gear 61 is driven by the servo motor to rotate clockwise and counterclockwise, the guide rack 62 is driven to move left and right, the upper swing fork 63 is driven to swing left and right, and the lower swing fork 65 can be driven to swing in the direction opposite to that of the upper swing fork 63 due to the connection between the upper swing fork 63 and the lower swing fork 65 through the two pull cables 64. The upper driven rotating shaft 631 is fixedly connected with the outer wall of the upper end portion 41 and is coaxial with the hinge rotating shaft of the upper end portion 41; the lower driven shaft 651 is fixedly connected to the outer wall of the lower end portion 42 and is coaxial with the hinge shaft of the lower end portion 42, so that the upper end portion 41 and the lower end portion 42 are driven by the swing actuator 6 to swing left and right, and the side surface of the root portion of the curtain fiber membrane unit 4 is exposed above the aeration bubbles, thereby improving the cleaning ability of the root portion of the curtain fiber membrane unit 4. In addition, the swinging directions of the upper end part 41 and the lower end part 42 are opposite through the arrangement of the V-shaped vertical swinging fork and the connection of the guy cable 64, so that the swinging of the middle part of the curtain type fiber membrane unit 4 can be reduced as much as possible, and the breakage caused by the swinging of the fiber membrane with the fragile middle part in sewage can be avoided. Meanwhile, due to the arrangement of the upper stabilizer bar 633 and the lower stabilizer bar 653, the amplitude of the curtain fiber film close to the root in the swinging process can be restrained, and the curtain fiber film at the root is prevented from being greatly twisted and broken.
The swing control mechanism 7 comprises an input signal line 72, a single chip microcomputer controller and an output signal line 71, one end of the input signal line is connected with the blockage detection mechanism 9, the other end of the input signal line is connected to the input end of the single chip microcomputer controller, one end of the output signal line 71 is connected with the output end of the single chip microcomputer controller, and the other end of the output signal line is connected with the servo motor of the driving gear 61. The jam detecting means 9 checks the jam in the curtain fiber membrane unit 4, and the swing start/stop time and the swing width of the swing actuator 6 are controlled by the swing control means 7.
The clogging detecting mechanism 9 includes a pressure tube 96, a piston 91, an extension spring 92, a pull rope 93, a rotary encoder 94, and a communicating tube 95. Pressure tube 96 is a right angle or straight open ended tube configuration. At both ends of pressure tube 96, pistons 91 are slidably mounted, and pistons 91 are slidably mounted at the ends of pressure tube 96 and are retained by the inner walls of pressure tube 96. Between the piston 91 and the end of the pressure pipe 96, there is connected an extension spring 92, and the extension spring 92 applies a pulling force to the piston 91 moving toward the port of the pressure pipe 96. A communicating pipe 95 is communicated between the middle part of the pressure pipe 96 and the water outlet pipe 1. Outside the end of the pressure pipe 96, a rotary encoder 94 is fixedly provided, and the end of the pulling rope 93 of the rotary encoder 94 is fixedly connected to the piston 91. The output terminal of the rotary encoder 94 is connected to the input signal line 72. In a normal state, a negative pressure is generated inside pressure tube 96 by pulling piston 91 toward the end of pressure tube 96 by extension spring 92, so that filtered water in outlet tube 1 enters inside pressure tube 96 due to communication tube 95. However, when the root of the curtain fiber membrane unit 4 is contaminated and blocks the filter hole, the water pressure, water level and water amount in the water outlet pipe 1 are all reduced, and since the pumping pressure of the pumping port 11 of the water outlet pipe 1 cannot pump enough filtered water, the filtered water in the pressure pipe 96 is pumped away, and the piston 91 is driven to move in the direction away from the end of the pressure pipe 96, so that the rotary encoder 94 is rotated through the pulling rope 93, and a rotation angle amount signal is output to the swing control mechanism 7, therefore, the blockage condition in the curtain fiber membrane unit 4 is detected through the arrangement of the blockage detection mechanism 9, and the swing start-stop time and the swing amplitude of the swing actuating mechanism 6 are controlled through the swing control mechanism 7.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a hollow curtain formula fiber membrane subassembly, includes outlet pipe, upper strut and lower branch, is connected with curtain formula fiber membrane unit between upper strut and the lower branch, is provided with the aeration pipe in the bottom of lower branch, its characterized in that: the automatic fiber membrane unit blockage detection device is characterized by further comprising an automatic swinging mechanism, wherein the automatic swinging mechanism comprises a swinging execution mechanism, a swinging control mechanism and a blockage detection mechanism, the blockage situation in the curtain type fiber membrane unit is detected through the blockage detection mechanism, and the swinging starting and stopping time and the swinging amplitude of the swinging execution mechanism are controlled through the swinging control mechanism.
2. A hollow curtain fiber membrane module as claimed in claim 1, wherein: the curtain type fiber membrane unit comprises an upper end part, a lower end part and a fiber membrane, wherein two ends of the fiber membrane in a long curtain type are respectively fixed into the upper end part and the lower end part, the upper end part is hinged to the upper supporting rod through a rotating shaft, and the lower end part is hinged to the lower supporting rod through the rotating shaft.
3. A hollow curtain fiber membrane module as claimed in claim 2, wherein: the length of the curtain fiber membrane unit is larger than the distance between the upper support rod and the lower support rod.
4. A hollow curtain fiber membrane module as claimed in claim 3, wherein: the swing actuating mechanism comprises a driving gear, a guide rack, an upper swing fork, a pull rope and a lower swing fork; the upper swing fork and the lower swing fork are both in a V-shaped structure, the upper swing fork comprises an upper driven rotating shaft and upper stabilizing rods symmetrically arranged on the left side and the right side of the upper driven rotating shaft, and the upper stabilizing rods are connected with the upper driven rotating shaft through upper connecting rods; the lower swing fork comprises a lower driven rotating shaft and lower stabilizer bars symmetrically arranged on the left side and the right side of the lower driven rotating shaft, and the lower stabilizer bars are connected with the lower driven rotating shaft through lower connecting rods.
5. A hollow curtain fiber membrane module as claimed in claim 4, wherein: the upper driven rotating shaft is fixedly connected with the outer wall of the upper end part and is coaxial with the hinged rotating shaft of the upper end part; the lower driven rotating shaft is fixedly connected with the outer wall of the lower end part and is coaxial with the hinged rotating shaft of the lower end part; and a guy cable is connected between the upper stabilizer bar and the lower stabilizer bar on the upper and lower corresponding sides.
6. A hollow curtain fiber membrane module as claimed in claim 5, wherein: the periphery of the upper driven rotating shaft is provided with a gear ring, the guide rack is arranged on the upper support rod in a sliding manner, the upper side and the lower side of the guide rack are both provided with teeth, and the upper driven rotating shaft is meshed with the lower side of the guide rack through the teeth; the driving gear is rotatably arranged in the center of the upper support rod and is meshed with the upper side of the guide rack.
7. A hollow curtain fiber membrane module as claimed in claim 6, wherein: the two upper stabilizer bars and the two lower stabilizer bars are projected in a direction perpendicular to an extending direction of the curtain fiber film unit, and the curtain fiber film unit is bound between the two upper stabilizer bars and the two lower stabilizer bars.
8. A hollow curtain fiber membrane module as claimed in claim 7, wherein: the swing control mechanism comprises an input signal line, a single chip microcomputer controller and an output signal line, one end of the input signal line is connected with the blockage detection mechanism, the other end of the input signal line is connected to the input end of the single chip microcomputer controller, one end of the output signal line is connected with the output end of the single chip microcomputer controller, and the other end of the output signal line is connected with a servo motor of the driving gear.
9. A hollow curtain fiber membrane module as claimed in claim 8, wherein: the blockage detection mechanism comprises a pressure pipe, a piston, an extension spring, a pull rope, a rotary encoder and a communicating pipe, wherein the pressure pipe is of a right-angle or straight-line pipeline structure with two open ends.
10. A hollow curtain fiber membrane module as claimed in claim 9, wherein: pistons are arranged at the two ends of the pressure pipe in a sliding manner, slide at the end part of the pressure pipe and are limited through the inner wall of the pressure pipe; an extension spring is connected between the piston and the end of the pressure pipe, and applies pulling force to the piston to move towards the pressure pipe port; a communicating pipe is communicated between the middle part of the pressure pipe and the water outlet pipe; the end part of a pull rope of the rotary encoder is fixedly connected to the piston; the output end of the rotary encoder is connected with an input signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310196167.9A CN115845622B (en) | 2023-03-03 | 2023-03-03 | Hollow curtain type fiber membrane assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310196167.9A CN115845622B (en) | 2023-03-03 | 2023-03-03 | Hollow curtain type fiber membrane assembly |
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| Publication Number | Publication Date |
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| CN115845622A true CN115845622A (en) | 2023-03-28 |
| CN115845622B CN115845622B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310196167.9A Active CN115845622B (en) | 2023-03-03 | 2023-03-03 | Hollow curtain type fiber membrane assembly |
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| CN213643747U (en) * | 2020-11-05 | 2021-07-09 | 丁重云 | Anti-clogging curtain type membrane assembly for environmental protection |
| CN216998688U (en) * | 2022-01-27 | 2022-07-19 | 江苏创仕德环保科技有限公司 | Hollow fiber membrane spinning machine |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002362806A (en) * | 2001-06-11 | 2002-12-18 | Ishida Co Ltd | Film tension detector, film tension control device, and bag-making/packaging machine |
| CN201614281U (en) * | 2010-03-31 | 2010-10-27 | 苏州通锦精密工业有限公司 | Injection amount feedback detection device for liquid injection machine |
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