CN113522034A - Fault judging mechanism and ultrafiltration equipment based on same - Google Patents
Fault judging mechanism and ultrafiltration equipment based on same Download PDFInfo
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- CN113522034A CN113522034A CN202110704076.2A CN202110704076A CN113522034A CN 113522034 A CN113522034 A CN 113522034A CN 202110704076 A CN202110704076 A CN 202110704076A CN 113522034 A CN113522034 A CN 113522034A
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- inlet valve
- valve group
- liquid inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The invention discloses a fault judgment mechanism and ultrafiltration equipment based on the same, wherein the fault judgment mechanism comprises a detection cavity, a working cavity, a display and a flow sensor, wherein a first liquid inlet valve group is arranged at the upper part of the detection cavity, and a second liquid inlet valve group is arranged at the upper part of the working cavity; a liquid outlet valve is arranged at the bottom of the detection cavity, and the flow sensor is arranged at the downstream of the liquid outlet valve, so that the flow sensor detects the flow of liquid flowing out of the liquid outlet valve; the first liquid inlet valve group is fixedly provided with a first clamping seat, and a liquid outlet of the first liquid inlet valve group is exposed from the bottom side of the first clamping seat, so that the liquid outlet of the first liquid inlet valve group is matched with the fluid filtering equipment; first joint seat sliding connection is on the roof that detects the chamber to the slip direction of first joint seat is for sliding from top to bottom. The fault judging mechanism can detect the fault of the ultrafiltration equipment on line, and the ultrafiltration equipment can detect the fault on line in real time after the fault judging mechanism is installed, so that the fault judging mechanism is simple and quick.
Description
Technical Field
The invention relates to a fault detection technology of ultrafiltration equipment, in particular to a fault judgment mechanism and ultrafiltration equipment based on the same.
Background
Ultrafiltration is a membrane filtration process between microfiltration and nanofiltration, and uses pressure difference as driving force, and the membrane pore size range is 1 nm-0.05 μm. The ultrafiltration membrane technology has the characteristics of no phase change, high efficiency, energy conservation, simple process and convenient operation, is widely applied to the fields of food industry, medicine, industrial wastewater treatment, seawater desalination pretreatment, ultrapure water preparation, biotechnology and the like, and is an important technology for promoting energy conservation and emission reduction.
When the ultrafiltration membrane is used for filtering and separating impurities, suspended solids, colloids and soluble high molecular compounds in water or solution are deposited on the surface of the membrane to generate blockage, and the membrane is polluted to cause the failure of membrane filtration. When the ultrafiltration membrane fails, the ultrafiltration membrane still continues to be filtered, but whether the ultrafiltration membrane fails or not cannot be judged by naked eyes, so that an online detection device for the filtering performance of the ultrafiltration membrane is needed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a fault judging mechanism and an ultrafiltration device based on the same, wherein the fault judging mechanism can detect the fault of the ultrafiltration device on line, and the ultrafiltration device can detect the fault on line in real time after being provided with the fault judging mechanism, and is simple and rapid.
The technical scheme adopted by the invention for solving the technical problems is as follows: a fault judgment mechanism comprises a detection cavity, a working cavity, a display and a flow sensor, wherein a first liquid inlet valve group is arranged at the upper part of the detection cavity, and a second liquid inlet valve group is arranged at the upper part of the working cavity; a liquid outlet valve is arranged at the bottom of the detection cavity, and the flow sensor is arranged at the downstream of the liquid outlet valve, so that the flow sensor detects the flow of liquid flowing out of the liquid outlet valve;
the flow sensor is connected with the display, so that the flow sensor displays the acquired flow information through the display;
the first liquid inlet valve group is fixedly provided with a first clamping seat, and a liquid outlet of the first liquid inlet valve group is exposed from the bottom side of the first clamping seat, so that the liquid outlet of the first liquid inlet valve group is matched with the fluid filtering equipment; first joint seat sliding connection be in detect on the roof in chamber, and the slip direction of first joint seat is for sliding from top to bottom.
Optionally, a moving seat is arranged at the top of the fluid filtering device, so that the fluid filtering device moves from the detection cavity into the working cavity or from the working cavity into the detection cavity through the moving seat.
Optionally, a first through groove used for being slidably connected with the first clamping seat is formed in the top wall of the detection cavity.
Optionally, a guide rail is installed between the inner side wall of the detection cavity and the inner side wall of the working cavity, and the movable seat is connected to the guide rail.
By adopting the technical scheme, the fault judgment mechanism can be applied to the on-line detection occasion, when the fluid filtering equipment needs to be detected, the fluid filtering equipment can be moved from the working cavity to the detection cavity for detection, the fluid filtering equipment does not need to be dismantled, and the detection process of the fluid filtering equipment is greatly facilitated.
Based on the fault judgment mechanism, the invention also discloses ultrafiltration equipment which comprises a box body, wherein two groups of ultrafiltration membrane assemblies and a fault judgment mechanism are arranged in the box body, so that the ultrafiltration membrane assemblies detect the fault degree through the fault judgment mechanism;
a second liquid inlet valve group is arranged in the box body, the second liquid inlet valve group is connected with the top wall of the box body in a sliding mode through a second clamping seat, and a second through groove used for being connected with the second liquid inlet valve group is formed in the top wall of the box body;
and the detection cavity of the fault degree judging mechanism is arranged on the side part of one side of the box body.
Optionally, the number of the fault judging mechanisms is two, and the two fault judging mechanisms are respectively located at two sides of the box body.
Optionally, a collection cavity for collecting the liquid after ultrafiltration is arranged in the box body;
and a liquid discharge cavity is arranged at the bottom of the detection cavity.
Optionally, the depth of the liquid drainage cavity is greater than the depth of the collection cavity, so that a height difference exists between the bottom of the liquid drainage cavity and the bottom of the collection cavity.
Optionally, a first spring is connected between the first through groove on the top wall of the detection cavity and the first clamping seat.
Optionally, a second spring is connected between the second through groove on the top wall of the box body and the second clamping seat.
Correspondingly, the ultrafiltration equipment of the invention is integrated with the fault judging mechanism, so that the ultrafiltration membrane component can be detected in the normal working process of the ultrafiltration equipment, the online detection of the ultrafiltration membrane component is realized, the shutdown is not needed, and the operation is convenient and rapid.
Drawings
FIG. 1 is a schematic view of the construction of an ultrafiltration apparatus of the present invention;
FIG. 2 is a schematic structural view of a first inlet valve of the present invention;
fig. 3 is a schematic structural view of a second liquid inlet valve of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the present invention discloses a failure determination mechanism for failure detection of a fluid filtration apparatus, which includes a detection chamber 1, a working chamber, a display, and a flow sensor 2. In the invention, a first liquid inlet valve group 3 is arranged at the upper part of a detection cavity 1, and a second liquid inlet valve group 4 is arranged at the upper part of a working cavity. The first liquid inlet valve group 3 is used for injecting detection liquid into the fluid filtering equipment and pressurizing; and the second liquid inlet valve group 4 is used for injecting fluid to be filtered into the fluid filtering equipment, namely, the second liquid inlet valve group 4 is used when the fluid filtering equipment works normally. Therefore, in the invention, when one group of fluid filtering equipment is detected, the other group of fluid filtering equipment can be used for normally working, so that the online detection of the fluid filtering equipment can be realized.
In addition, a liquid outlet valve 5 is provided at the bottom of the detection chamber 1, the opening and closing of the detection liquid discharge passage is controlled by the liquid outlet valve 5, and a flow sensor 2 is provided downstream of the liquid outlet valve 5, so that the flow sensor 5 detects the flow rate of the detection liquid flowing out from the liquid outlet valve 5. Specifically, in the present invention, the flow sensor 5 may be an ultrasonic flow meter, a detection end of the flow sensor is disposed in a downstream pipeline of the liquid outlet valve 5, and a wireless communication module is integrated in the ultrasonic flow meter, and the ultrasonic flow meter and a display can be in communication connection through the wireless communication module, so that flow information acquired by the ultrasonic flow meter is displayed on the display, and then the flow information acquired by the ultrasonic flow meter is compared with an upper limit threshold and a lower limit threshold of a qualified flow of the fluid device, if the flow information acquired by the ultrasonic flow meter is between the upper limit threshold and the lower limit threshold of the qualified flow of the fluid device, it can be determined that the fluid filtering device is in a qualified state, otherwise, it is determined that the fluid filtering device is in a failed state.
In the failure determination mechanism of the present invention, as shown in fig. 2, a first engaging seat 6 is fixedly installed on the first liquid inlet valve group 3, so that the first liquid inlet valve group 3 moves through the first engaging seat 6. Particularly, the liquid outlet of first feed liquor valves 3 exposes from the bottom side of first joint seat 6, makes the liquid outlet of first feed liquor valves 3 and fluid filtration equipment adaptation to guarantee that the liquid outlet of first feed liquor valves 3 inserts fluid filtration equipment's entry end. Particularly, offer the first logical groove 7 that is used for first joint seat 6 of sliding connection on the roof in detection chamber 1, sliding connection between first joint seat 6 and the first logical groove 7, first joint seat 6 reciprocate the accessible and drive manually, consequently, still can have a handle 8 at the top fixed mounting of first joint seat 6, come artificial promotion or press through handle 8. In the invention, a locking unit is further connected between the first clamping seat 6 and the outer top wall of the detection cavity 1, so that after the first liquid inlet valve group 3 and the fluid filtering equipment are assembled, the first clamping seat 6 and the top outer wall of the detection cavity 1 are clamped, and the first clamping seat 6 is fastened and positioned.
Specifically, as shown in fig. 2, the locking unit includes a lock lever 9 rotatably connected to the top wall outside the detection chamber 1, and a protrusion 10 provided on the outer wall of the first engaging seat 6, and when the first liquid inlet valve group 3 is assembled with the fluid filtering apparatus, the lock lever 9 is pressed on the protrusion 10 by rotating the lock lever 9, so that the first engaging seat 6 is fixed. In order to facilitate the matching of the lock rod 9 and the protruding part 10, a step can be further formed at the top of the first through groove 7 to form a sinking groove 11, the depth of the sinking groove 11 is adapted to the thickness of the protruding part 10, so that the sinking groove 11 can just accommodate the protruding part 10, when the first liquid inlet valve group 3 is assembled with the fluid filtering equipment, the protruding part 10 is located in the sinking groove 11, at the moment, the lock rod 9 is rotated again, the lock rod 9 is rotated to the upper part of the protruding part 10, and the locking of the first clamping seat 6 is completed.
In the failure judgment mechanism of the invention, as shown in fig. 1, a movable seat 12 is arranged at the top of the fluid filtering device, and the fluid filtering device moves from the detection cavity 1 to the working cavity through the movable seat 12 so as to transfer qualified fluid filtering device from the detection cavity 1 to the working cavity; or the fluid filtering device to be tested is moved from the working chamber into the testing chamber 1 by means of the mobile seat 12. In addition, a guide rail 13 is installed between the inner side wall of the detection chamber 1 and the inner side wall of the working chamber, and the movable base 12 is connected to the guide rail 13 so as to facilitate the movement of the movable base 12.
The application scenario of the failure determination mechanism of the present invention is described below by a specific embodiment.
As shown in fig. 1, the present invention discloses an ultrafiltration apparatus, which includes a box body 15, two groups of ultrafiltration membrane modules 14 and the above fault determination mechanism are disposed in the box body 15, and the ultrafiltration membrane modules 14 detect faults through the fault determination mechanism.
In this embodiment, the tank 15 is used to mount the ultrafiltration membrane module 14, and therefore, the tank 15 can be regarded as a working chamber of the failure determination mechanism. Therefore, as shown in fig. 1 and 3, a second liquid inlet valve set 4 is arranged in the box body 15, and the second liquid inlet valve set 4 can be slidably connected with the top wall of the box body 15 through a second clamping seat 16, and a second through groove 17 for connecting the second liquid inlet valve set 4 is arranged on the top wall of the box body 15. In this embodiment, the second liquid inlet valve group 4 is installed in the same way as the first liquid inlet valve group 3, and in operation, the second liquid inlet valve group 4 is assembled with the corresponding ultrafiltration membrane module 14 to realize filtration.
In this embodiment, as shown in fig. 1, two failure determination mechanisms are provided, and the two failure determination mechanisms are located at both side positions of the box body 15, respectively. Therefore, the detection chamber 1 is symmetrically distributed on both sides of the box body 15, and on the inner side walls of the detection chamber 1 and the box body 15, a guide rail 13 is installed, the guide rail 13 is a linear guide rail, and the movable base 12 is installed on the linear guide rail so as to realize linear translation of the movable base 12. In addition, a screw rod pair is further installed in the linear guide rail so as to drive the moving seat 12 to move, the screw rod pair is a common technical means in the prior art, and redundant description is not repeated in this embodiment.
In this embodiment, two failure determination mechanisms are provided, and the two failure determination mechanisms are distributed on both sides of the case 15. The two failure determination mechanisms respectively correspond to the ultrafiltration membrane modules 14, that is, one failure determination mechanism detects one ultrafiltration membrane module 14. For example, if the ultrafiltration membrane module 14 on the left side of the box 15 is a first ultrafiltration membrane module, another ultrafiltration membrane module 14 is a second ultrafiltration membrane module, and correspondingly, the detection chamber 1 on the left side of the box 15 is a first detection chamber, and another detection chamber 1 is a second detection chamber, the first detection chamber only detects the first ultrafiltration membrane module, and the second detection chamber only detects the second ultrafiltration membrane module. When the first ultrafiltration membrane component is detected and the first ultrafiltration membrane component is moved into the first detection cavity, the second ultrafiltration membrane component can be just positioned in the box body 15, then the first liquid inlet valve group 3 on the first detection cavity 1 is assembled with the first ultrafiltration membrane component, and meanwhile, the second liquid inlet valve group 4 is assembled with the second ultrafiltration membrane component; when detecting the second milipore filter subassembly, remove the second milipore filter subassembly to the second and detect the intracavity, at this moment, first milipore filter subassembly just can be located box 15, then with the assembly of first feed liquor valves 3 and the second milipore filter subassembly on the second detection chamber, make second feed liquor valves 4 and first milipore filter trample practice simultaneously and assemble.
In this embodiment, as shown in FIG. 1, a collection chamber 18 for collecting the ultrafiltrated liquid is provided in the casing 15, and a drain chamber 19 is provided at the bottom of the detection chamber 1. Wherein, the depth of the liquid discharge cavity 19 is greater than that of the collection cavity 18, so that the bottom of the liquid discharge cavity 19 and the bottom of the collection cavity 18 have a height difference, and the detection liquid and the filtering liquid are distinguished.
In this embodiment, as shown in fig. 2 and 3, a first spring 20 is connected between the first through-groove 7 located on the top wall of the detection chamber 1 and the first bayonet socket 6. A second spring 21 may also be connected between the second through slot 17 in the top wall of the cassette 15 and the second catch holder 16. By providing the first spring 20 and the second spring 21, the feeling of damping when the first bayonet socket 6 and the second bayonet socket 16 are pressed is increased.
In this embodiment, when the first and second valve inlet groups 3 and 4 are assembled with the ultrafiltration membrane module 14, the first and second clamping seats 6 and 16 are respectively butted against the corresponding movable seats 12, and the joint position is sealed. Therefore, a circle of first sealing ring is respectively arranged at the bottom of the first clamping seat 6 and the bottom of the second clamping seat 16, and a second sealing ring matched with the first sealing ring is respectively arranged at the top of the two movable seats 12, so as to achieve the sealing effect, and the ultrafiltration membrane module 14 can be detected in a pressurizing mode only after the first clamping seat 6 is in sealing butt joint with the corresponding movable seat 12.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.
Claims (10)
1. A fault judgment mechanism is characterized by comprising a detection cavity, a working cavity, a display and a flow sensor, wherein a first liquid inlet valve group is arranged at the upper part of the detection cavity, and a second liquid inlet valve group is arranged at the upper part of the working cavity; a liquid outlet valve is arranged at the bottom of the detection cavity, and the flow sensor is arranged at the downstream of the liquid outlet valve, so that the flow sensor detects the flow of liquid flowing out of the liquid outlet valve;
the flow sensor is connected with the display, so that the flow sensor displays the acquired flow information through the display;
the first liquid inlet valve group is fixedly provided with a first clamping seat, and a liquid outlet of the first liquid inlet valve group is exposed from the bottom side of the first clamping seat, so that the liquid outlet of the first liquid inlet valve group is matched with the fluid filtering equipment; first joint seat sliding connection be in detect on the roof in chamber, and the slip direction of first joint seat is for sliding from top to bottom.
2. The failure determination mechanism according to claim 1, wherein a movable seat is provided on a top of the fluid filtering device, so that the fluid filtering device is moved from the detection chamber into the working chamber or from the working chamber into the detection chamber by the movable seat.
3. The mechanism of claim 2, wherein a top wall of the detection cavity is provided with a first through slot for slidably connecting the first engaging seat.
4. The failure determination mechanism according to claim 3, wherein a guide rail is installed between an inner side wall of the detection chamber and an inner side wall of the working chamber, and the movable base is connected to the guide rail.
5. An ultrafiltration device is characterized by comprising a box body, wherein two groups of ultrafiltration membrane assemblies and a fault judgment mechanism according to any one of claims 1 to 4 are arranged in the box body, so that the ultrafiltration membrane assemblies detect faults through the fault judgment mechanism;
a second liquid inlet valve group is arranged in the box body, the second liquid inlet valve group is connected with the top wall of the box body in a sliding mode through a second clamping seat, and a second through groove used for being connected with the second liquid inlet valve group is formed in the top wall of the box body;
and the detection cavity of the fault judgment mechanism is arranged on the side part of one side of the box body.
6. The ultrafiltration apparatus according to claim 5, wherein there are two failure judging means, and the two failure judging means are respectively provided at both side positions of the tank body.
7. Ultrafiltration apparatus according to claim 6, wherein a collection chamber is provided in the tank for collecting the ultrafiltered liquid;
and a liquid discharge cavity is arranged at the bottom of the detection cavity.
8. The ultrafiltration apparatus of claim 7, wherein the drainage chamber has a depth greater than the collection chamber such that there is a height difference between the bottom of the drainage chamber and the bottom of the collection chamber.
9. Ultrafiltration device according to claim 8, wherein a first spring is connected between the first through slot in the top wall of the detection chamber and the first snap seat.
10. Ultrafiltration apparatus as claimed in claim 9, wherein a second spring is connected between the second through slot in the top wall of the housing and the second catch seat.
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| CN202110704076.2A CN113522034B (en) | 2021-06-24 | 2021-06-24 | Fault judging mechanism and ultrafiltration equipment based on same |
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| CN202110704076.2A CN113522034B (en) | 2021-06-24 | 2021-06-24 | Fault judging mechanism and ultrafiltration equipment based on same |
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| CN113522034A true CN113522034A (en) | 2021-10-22 |
| CN113522034B CN113522034B (en) | 2023-06-16 |
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