CN213032239U - Energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production - Google Patents
Energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production Download PDFInfo
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- CN213032239U CN213032239U CN202021849921.2U CN202021849921U CN213032239U CN 213032239 U CN213032239 U CN 213032239U CN 202021849921 U CN202021849921 U CN 202021849921U CN 213032239 U CN213032239 U CN 213032239U
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Abstract
The utility model discloses an energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production, which relates to the technical field of membrane filters and comprises a cylinder body, a filter membrane, a membrane supporting seat, a scraping blade, a rotating shaft and a driving motor, wherein the membrane supporting seat is a hollow circular truncated cone with an open top, the top of the membrane supporting seat is fixedly connected with the bottom of a partition plate, the top of the membrane supporting seat and the bottom of the partition plate are coaxially arranged, an inner cavity of the membrane supporting seat is communicated with a post-filtration cavity through the open top, and the filter membrane covers; the output end of the driving motor is connected with a rotating shaft through a belt, the rotating shaft is arranged at the position of the central shaft of the cylinder body and is in rotating and sealing connection with the slag discharge valve shell, the scraping blade is fixedly arranged at the top end of the rotating shaft, the scraping blade is a variable-diameter helical blade, and the scraping blade is sleeved on the membrane supporting seat and the inner side of the scraping blade is attached to the surface of the; this device adopts the doctor-bar to carry out rotatory scraping to the cover on the filter membrane, and cleaning efficiency is higher, uses a small amount of after-filtering liquid to carry out further washing simultaneously, has both guaranteed the cleaning effect to the cover, has also reduced the consumption of after-filtering liquid.
Description
Technical Field
The utility model relates to a membrane filter technical field, concretely relates to chlor-alkali production is with energy-conserving automatically cleaning microfiltration membrane filter.
Background
In the chlor-alkali industry today, gol filters are commonly used for primary brine purification; the brine enters the Gole filter through the flexible valve, enters the upper part of the filter through a Gole filter bag and enters the baffling groove through overflow; the solid is remained outside the filter membrane, after filtering for a period of time, the filter residue reaches a certain thickness, the Gole filter automatically enters a back flushing state, the valve is automatically switched, the filter residue falls into the bottom of the filter cone, and the next filtering, back flushing and settling period is carried out; when the back flushing reaches the specified times, the slag discharging valve is opened to discharge slag, and then the next cycle is started.
During production, the intercepted material is deposited on the filter membrane, and the formed covering layer increases the flow resistance continuously, so that the permeability is reduced. In order to solve the problem, the filter assembly needs to be washed, and the covering is washed off to continue filtering; but the filtered liquid is used for back flushing in the running process, generally, the filtered liquid cannot be flushed completely, and alkali washing or acid washing is needed in the later period; and each backwash also requires consumption of the filtered liquid, reducing productivity.
Therefore, there is a need to develop a new filter to overcome the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a chlor-alkali production is with energy-conserving automatically cleaning microfiltration membrane filter, the purpose just lies in realizing energy-conservation, swift cover on the clearance filter membrane, guarantees the good permeability of filter membrane.
The technical scheme of the utility model is that: an energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production comprises a cylinder body, a filter membrane, a membrane support seat, a scraping blade, a rotating shaft and a driving motor, wherein the upper part of the cylinder body is cylindrical, and the lower part of the cylinder body is inverted cone-shaped; the bottom of the barrel is provided with a slag discharge valve, the barrel on one side of the bottom of the filter cavity is provided with a water inlet pipe, the barrel on one side of the top of the filter cavity is provided with a back flushing pipe, and the barrel on one side of the top of the filtered cavity is provided with a water outlet pipe;
the membrane supporting seat is a hollow circular truncated cone with an opening at the top, the top of the membrane supporting seat is fixedly connected with the bottom of the partition plate and the membrane supporting seat and the bottom of the partition plate are coaxially arranged, an inner cavity of the membrane supporting seat is communicated with the post-filtration cavity through the opening at the top, a shell at the side part of the membrane supporting seat is provided with a plurality of small holes for filtered liquid to pass through, and the filter membrane covers the surface of the shell at the side part of the membrane supporting; the utility model discloses a filter membrane filter, including barrel, driving motor, sediment valve shell, doctor-bar, drive motor, driving motor, belt, rotating shaft, doctor-bar fixed mounting is on the pivot top, the doctor-bar passes through the belt with the pivot and is connected, the pivot sets up in barrel center pin position and rotates sealing connection with sediment valve shell, the doctor-bar fixed mounting is on the pivot top, the doctor-bar is reducing spiral shell area blade, the doctor-bar suit is laminated.
Preferably, including stirring vane, stirring vane fixed mounting is in storing up the pivot of mud intracavity, stirring vane is reducing spiral shell area blade and outside whole profile and barrel inner wall adaptation.
Preferably, the stirring blades are double-helix reducing helical ribbon blades.
Preferably, stirring vane is straight plate blade and tip and is equipped with the vice stirring vane of slope, the inclination and the back taper barrel adaptation of vice stirring vane.
Preferably, the pore size of the filter membrane is 0.5-1 μm.
Preferably, a supporting rod for supporting and fixing is arranged between the layers of the scraping blade.
Compared with the prior art, the utility model, have following advantage:
the device adopts the scraping blade to rotationally scrape the covering on the filter membrane, the cleaning efficiency is higher, and simultaneously, a small amount of filtered liquid is used for further washing, so that the cleaning effect on the covering is ensured, the consumption of the filtered liquid is reduced, and the resources are saved; the helical-ribbon type scraping blade in the device has not only scraping function but also conveying function on the covering on the filter membrane; the device adopts the film supporting seat in the shape of a circular truncated cone, so that a certain amount of covering materials can fall off by the dead weight, and the deposition period of the cut materials is shortened; the stirring blade adopted in the device can stir and loosen the filter residue deposited in the sludge storage cavity, so that the filter residue is prevented from being deposited too tightly; when slag is discharged and stirred, the spiral ribbon type stirring blade adopted by the device has both stirring and conveying functions on deposited filter residues.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic sectional view of the present invention according to the second embodiment;
fig. 4 is a schematic sectional perspective view of the present invention in the second embodiment;
fig. 5 is a schematic sectional structure diagram of the present invention in the fourth embodiment.
In the figure: 1. the device comprises a cylinder body, 101, a partition plate, 102, a filter cavity, 103, a post-filter cavity, 104, a sludge storage cavity, 105, a slag discharge valve, 106, a water inlet pipe, 107, a back flushing pipe, 108, a water outlet pipe, 2, a membrane supporting seat, 201, small holes, 3, a filter membrane, 4, a scraping blade, 401, a supporting rod, 5, a rotating shaft, 6, a driving motor, 7, a stirring blade, 701 and an auxiliary stirring blade.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example one
Referring to fig. 1-2, an energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production comprises a cylinder 1, a filter membrane 3, a membrane support base 2, a scraping blade 4, a rotating shaft 5 and a driving motor 6, wherein the upper part of the cylinder 1 is cylindrical, and the lower part of the cylinder is inverted conical, a partition plate 101 vertical to the central axis of the cylinder 1 is arranged in the inner cavity of the upper part of the cylinder 1, the partition plate 101 divides the inner cavity of the upper part of the cylinder 1 into an upper cavity and a lower cavity which are respectively a filter cavity 102 and a post-filter cavity 103, and the inner cavity of; a slag discharge valve 105 is arranged at the bottom of the cylinder body 1, a water inlet pipe 106 is arranged on the cylinder body 1 at one side of the bottom of the filter cavity 102, a back flushing pipe 107 is arranged on the cylinder body 1 at one side of the top of the filter cavity 102, and a water outlet pipe 108 is arranged on the cylinder body 1 at one side of the top of the post-filter cavity 103;
the membrane supporting seat 2 is a hollow circular truncated cone with an opening at the top, the top of the membrane supporting seat 2 is fixedly connected with the bottom of the partition plate 101 and the two are coaxially arranged, the inner cavity of the membrane supporting seat 2 is communicated with the post-filtration cavity 103 through the opening at the top, a plurality of small holes 201 for filtered liquid to pass through are arranged on the shell at the side part of the membrane supporting seat 2, the filter membrane 3 covers the surface of the shell at the side part of the membrane supporting seat 2, the aperture of the filter membrane 3 is 0.5-1 mu m, and most suspended matters in the brine can be blocked outside the filter membrane 3 by; the driving motor 6 is fixed on one side of the cylinder 1, the output end of the driving motor 6 is connected with the rotating shaft 5 through a belt, the rotating shaft 5 is arranged at the central axis position of the cylinder 1 and is in rotating and sealing connection with the shell of the slag discharge valve 105, the scraping blade 4 is fixedly arranged at the top end of the rotating shaft 5, the scraping blade 4 is a variable-diameter helical blade, the scraping blade 4 is sleeved on the membrane supporting seat 2, and the inner side of the scraping blade is attached to the surface; and a supporting rod 401 for supporting and fixing is arranged between layers of the scraping blade 4, so that the scraping blade 4 is ensured not to deform when the filtering membrane 3 covering is scraped in a rotating way.
When in use, saline enters the filter cavity 102 in the filter cylinder 1 through the water inlet pipe 106, filtered liquid enters the inner cavity of the membrane supporting seat 2 through the filtering action of the filter membrane 3, enters the filtered cavity 103 at the upper part of the cylinder 1 through the communication port of the partition plate 101 and the membrane supporting seat 2, and then is discharged out of the filter through the water outlet pipe 108 through overflow. The intercepted material is deposited on the filter membrane 3, and as the membrane supporting seat 2 is in a circular truncated cone shape, a part of the intercepted material slides off the filter membrane 3 by the dead weight; after filtering for a period of time, the covering on the filter membrane 3 reaches a certain thickness, at the moment, the driving motor 6 is started, the driving motor 6 drives the rotating shaft 5 to rotate through the belt and drives the helical-ribbon type scraping blade 4 to rotate anticlockwise, the covering on the filter membrane 3 is scraped and cleaned, and the scraped covering is conveyed downwards in a helical manner; then the backwashing pipe 107 washes the filter membrane 3 by the filtered liquid, washes away the residual covering on the filter membrane 3, and the cleaned covering falls into the sludge storage cavity 104 at the lower part of the filter for continuous filtration. When the cleaning reaches the specified times, the slag discharge valve 105 is opened to discharge slag, and then the next cycle is started.
The device adopts the scraping blade 4 to rotationally scrape the covering on the filter membrane 3, the cleaning efficiency is higher, and simultaneously, a small amount of filtered liquid is used for further washing, thereby not only ensuring the cleaning effect of the covering, but also reducing the consumption of the filtered liquid and saving resources; the helical-ribbon type scraping blade 4 in the device not only has a scraping function but also has a conveying function on the covering on the filter membrane 3; the device adopts the film supporting seat 2 in the shape of a circular truncated cone, so that a certain amount of covering materials can fall off by the dead weight, and the deposition period of the cut materials is shortened.
Example two
As a preferred embodiment of the present invention, the present embodiment adds a residue stirring mechanism on the basis of the first embodiment.
Referring to fig. 3-4, the energy-saving self-cleaning microfiltration membrane filter for producing chlor-alkali comprises a stirring blade 7, wherein the stirring blade 7 is fixedly arranged on a rotating shaft 5 in a sludge storage cavity 104, the stirring blade 7 is a variable-diameter helical ribbon blade, and the overall outline of the outer side of the stirring blade is matched with the inner wall of a cylinder 1.
When the filter residue scraping device is used, when the driving motor 6 drives the scraping blade 4 to scrape off a covering on the filter membrane 3, the driving motor 6 drives the rotating shaft 5 to synchronously drive the stirring blade 7 to stir and loosen filter residues deposited in the sludge storage cavity 104, so that the filter residues are prevented from being deposited too tightly, and the later-stage discharge of the filter residues is facilitated; when the cleaning reaches the specified times and the deslagging valve 105 needs to be opened for deslagging, the driving motor 6 is started again to drive the helical ribbon type stirring blade 7 to stir and convey the filter residue deposited in the sludge storage cavity 104, so that the filter residue is smoothly discharged.
The stirring blade 7 adopted in the device can stir and loosen the filter residue deposited in the sludge storage cavity 104, so that the filter residue is prevented from being deposited too tightly; when slag-discharging stirring is performed, the helical ribbon type stirring blade 7 adopted in the embodiment has both stirring and conveying effects on deposited filter slag.
EXAMPLE III
As a preferred embodiment of the present invention, the single-spiral reducing helical ribbon stirring blade 7 is changed into a double-spiral reducing helical ribbon blade in this embodiment on the basis of the second embodiment.
The double-spiral helical ribbon stirring blade 7 improves the stirring and conveying efficiency relative to the single-spiral helical ribbon stirring blade 7, thereby improving the production efficiency.
Example four
As a preferred embodiment of the present invention, the present embodiment adds a residue stirring mechanism on the basis of the first embodiment.
Referring to fig. 5, the energy-saving self-cleaning microfiltration membrane filter for producing chlor-alkali is characterized in that the stirring blade 7 is a straight blade, the end part of the stirring blade is provided with an inclined auxiliary stirring sheet 701, and the inclination angle of the auxiliary stirring sheet 701 is matched with the inverted cone-shaped cylinder body 1.
When in use, when the driving motor 6 drives the scraping blade 4 to scrape off the covering on the filter membrane 3, the driving motor 6 drives the rotating shaft 5 to synchronously drive the straight-plate type stirring blade 7 to fully stir and loosen the filter residue deposited in the sludge storage cavity 104; because the vice stirring vane 701 that the slope set up more laminates with the back taper barrel 1 inner wall, when carrying out row's sediment operation, vice stirring vane 701 is better to the filter residue clearance effect of deposit in storing up mud chamber 104, has guaranteed row's sediment effect.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a chlor-alkali production is with energy-conserving automatically cleaning microfiltration membrane filter which characterized in that: comprises a cylinder body, a filter membrane, a membrane supporting seat, a scraping blade, a rotating shaft and a driving motor,
the upper part of the cylinder is cylindrical, the lower part of the cylinder is inverted cone-shaped, a partition plate perpendicular to a central shaft of the cylinder is arranged in an inner cavity of the upper part of the cylinder, the inner cavity of the upper part of the cylinder is divided into an upper cavity and a lower cavity by the partition plate, the upper cavity and the lower cavity are respectively a filter cavity and a post-filter cavity, and the inner cavity of the lower part of the cylinder is a; the bottom of the barrel is provided with a slag discharge valve, the barrel on one side of the bottom of the filter cavity is provided with a water inlet pipe, the barrel on one side of the top of the filter cavity is provided with a back flushing pipe, and the barrel on one side of the top of the filtered cavity is provided with a water outlet pipe;
the membrane supporting seat is a hollow circular truncated cone with an opening at the top, the top of the membrane supporting seat is fixedly connected with the bottom of the partition plate and the membrane supporting seat and the bottom of the partition plate are coaxially arranged, an inner cavity of the membrane supporting seat is communicated with the post-filtration cavity through the opening at the top, a shell at the side part of the membrane supporting seat is provided with a plurality of small holes for filtered liquid to pass through, and the filter membrane covers the surface of the shell at the side part of the membrane supporting; the utility model discloses a filter membrane filter, including barrel, driving motor, sediment valve shell, doctor-bar, drive motor, driving motor, belt, rotating shaft, doctor-bar fixed mounting is on the pivot top, the doctor-bar passes through the belt with the pivot and is connected, the pivot sets up in barrel center pin position and rotates sealing connection with sediment valve shell, the doctor-bar fixed mounting is on the pivot top, the doctor-bar is reducing spiral shell area blade, the doctor-bar suit is laminated.
2. The energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production as claimed in claim 1, characterized in that: including stirring vane, stirring vane fixed mounting is in storing up the pivot of mud intracavity, stirring vane is reducing spiral shell area blade and outside whole profile and barrel inner wall adaptation.
3. The energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production as claimed in claim 2, characterized in that: the stirring blades are double-helix reducing helical ribbon blades.
4. The energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production as claimed in claim 2, characterized in that: stirring vane is for straight plate blade and tip to be equipped with the vice stirring vane of slope, the inclination and the back taper barrel adaptation of vice stirring vane.
5. The energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production as claimed in claim 1, characterized in that: the pore diameter of the filter membrane is 0.5-1 μm.
6. The energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production as claimed in claim 1, characterized in that: and a support rod for supporting and fixing is arranged between the layers of the scraping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849921.2U CN213032239U (en) | 2020-08-31 | 2020-08-31 | Energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849921.2U CN213032239U (en) | 2020-08-31 | 2020-08-31 | Energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production |
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| Publication Number | Publication Date |
|---|---|
| CN213032239U true CN213032239U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021849921.2U Active CN213032239U (en) | 2020-08-31 | 2020-08-31 | Energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production |
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| Country | Link |
|---|---|
| CN (1) | CN213032239U (en) |
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- 2020-08-31 CN CN202021849921.2U patent/CN213032239U/en active Active
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