CN110721520A - Sand water filtering device for laboratory and vibration anti-blocking method - Google Patents
Sand water filtering device for laboratory and vibration anti-blocking method Download PDFInfo
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- CN110721520A CN110721520A CN201911211023.6A CN201911211023A CN110721520A CN 110721520 A CN110721520 A CN 110721520A CN 201911211023 A CN201911211023 A CN 201911211023A CN 110721520 A CN110721520 A CN 110721520A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0048—Plurality of plates inclined in alternating directions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
- B01D21/283—Settling tanks provided with vibrators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a muddy sand water filtering device for a laboratory, which comprises a conical water inlet hopper with a large upper part and a small lower part, wherein the water inlet hopper is downwards connected with a water inlet pipe; the water inlet pipe is downwards communicated with a water inlet cavity, the side wall of the water inlet cavity is connected with a filter plate, the filter plate is connected with a water outlet cavity, and a plurality of filter holes communicated with the water inlet cavity and the water outlet cavity are distributed in the filter plate; the water outlet cavity is connected with a water outlet pipe; a plurality of vibration cavities are uniformly arranged in the filter plate, and elastic balls are respectively arranged in each vibration cavity. The elastic ball continuously jumps in the vibration chamber and impacts the inner wall of the vibration chamber during working, so that vibration impact is generated on the filter plate, impurities in the filter holes are more easily separated from the filter holes, and a good anti-blocking effect is achieved. The invention has better effects of purifying water and recovering silt because of the sedimentation process and the filtration process, reduces the burden of a drainage system and reduces the waste of the silt.
Description
Technical Field
The invention relates to the technical field of river model tests.
Background
In the technical field of hydraulic engineering, various hydraulic model experiments are often required, for example, the river model experiments are experiments for simulating river sediment movement and riverbed scouring deformation conditions by reducing the river channel shape and the movement characteristics of water flow sediment into a model according to similar criteria, and water containing silt can be continuously generated in the experiments, wherein the silt is often purchased as an experimental material. If the water containing the silt is directly discharged, on one hand, experimental materials are wasted, on the other hand, the load of a drainage system is increased, and drainage blockage is easily caused in serious cases.
Disclosure of Invention
The invention aims to provide a muddy sand water filtering device for a laboratory, which can continuously filter muddy sand in water and is not easy to block.
In order to realize the purpose, the laboratory muddy sand water filtering device comprises a conical water inlet hopper with a large upper part and a small lower part, wherein the water inlet hopper is downwards connected with a water inlet pipe;
the water inlet pipe is downwards communicated with a water inlet cavity, the side wall of the water inlet cavity is connected with a filter plate, the filter plate is connected with a water outlet cavity, and a plurality of filter holes communicated with the water inlet cavity and the water outlet cavity are distributed in the filter plate; the water outlet cavity is connected with a water outlet pipe; a plurality of vibration cavities are uniformly arranged in the filter plate, and elastic balls are respectively arranged in each vibration cavity.
One side of the filter plate is connected with the upper part of the side wall of the water inlet cavity, and the other side of the filter plate is connected with the upper part of the side wall of the water outlet cavity;
a plurality of layers of water inlet left baffle plates are uniformly arranged on the upper and lower left side wall of the lower part of the water inlet cavity at intervals, a plurality of layers of water inlet right baffle plates are uniformly arranged on the upper and lower right side wall of the lower part of the water inlet cavity at intervals, and the water inlet left baffle plates and the water inlet right baffle plates are alternately arranged up and down at intervals; the left water inlet baffle plate and the right water inlet cavity side wall are separated by a gap, the right water inlet baffle plate and the left water inlet cavity side wall are separated by a gap, and the left water inlet baffle plate and the right water inlet baffle plate are connected with the front side wall and the rear side wall of the water inlet cavity;
a water inlet deflection channel is defined between the water inlet left baffle plate and the water inlet right baffle plate; the intake antrum of water inlet baffling passageway top forms into water disturbance district, and the baffling passageway that intakes is into water buffer zone, and the intake antrum of water inlet baffling passageway below forms into the precipitation chamber of intaking, is equipped with into water on the lateral wall of precipitation chamber and decontaminates the door.
A plurality of layers of water outlet left baffle plates are uniformly arranged on the left side wall of the lower part of the water outlet cavity at intervals from top to bottom, a plurality of layers of water outlet right baffle plates are uniformly arranged on the right side wall of the lower part of the water outlet cavity at intervals from top to bottom, and the water outlet left baffle plates and the water outlet right baffle plates are alternately arranged from top to bottom at intervals; a gap is formed between the left water outlet baffle plate and the right side wall of the water outlet cavity, a gap is formed between the right water outlet baffle plate and the left side wall of the water outlet cavity, and the left water outlet baffle plate and the right water outlet baffle plate are both connected with the front side wall and the rear side wall of the water outlet cavity;
an outlet water baffling channel is defined between the outlet water left baffle plate and the outlet water right baffle plate; the water outlet cavity above the water outlet deflection channel forms a water outlet disturbance area, the water outlet deflection channel is a water outlet buffer area, the water outlet cavity below the water outlet deflection channel forms a water outlet sedimentation chamber, and a water outlet sewage disposal door is arranged on the side wall of the water outlet sedimentation chamber.
The water inlet left baffle plate and the water outlet left baffle plate are arranged in a downward inclined mode towards the right, and the water inlet right baffle plate and the water outlet right baffle plate are arranged in a downward inclined mode towards the left.
The lateral wall of intake antrum or play water cavity is connected with the backing plate, and the backing plate is connected with variable frequency vibrating motor.
The area of the horizontal section of the water outlet cavity is more than twice of the area of the horizontal section of the water inlet cavity.
The invention also discloses a vibration anti-blocking method of the muddy sand water filtering device for the laboratory, wherein the outer wall of the water inlet cavity is provided with a water inlet amplitude sensor, the outer wall of the water outlet cavity is provided with a water outlet amplitude sensor, the water inlet amplitude sensor and the water outlet amplitude sensor are respectively connected with a display screen, and the display screen is used for displaying the real-time amplitudes measured by the water inlet amplitude sensor and the water outlet amplitude sensor;
the working personnel adjust the operating frequency of the variable frequency vibration motor, so that the operating frequency of the variable frequency vibration motor gradually runs from the lowest frequency to the highest frequency; meanwhile, the worker observes the amplitude values measured by the water inlet amplitude sensor and the water outlet amplitude sensor through a display screen;
when the resonance phenomenon caused by the variable-frequency vibration motor at the water inlet cavity is the strongest, the amplitude measured by the water inlet amplitude sensor reaches the maximum value, and the working frequency of the variable-frequency vibration motor is the anti-blocking frequency of the water inlet cavity;
when the resonance phenomenon caused by the variable-frequency vibration motor at the water outlet cavity is the strongest, the amplitude measured by the water outlet amplitude sensor reaches the maximum value, and the working frequency of the variable-frequency vibration motor is the anti-blocking frequency of the water outlet cavity;
the working personnel controls the variable frequency vibration motor to alternately operate at the water inlet cavity anti-blocking frequency and the water outlet cavity anti-blocking frequency through the electric control device, so that objects attached to the baffle plates are vibrated to fall off, and meanwhile, the objects attached to the filter holes are caused to fall off.
The invention has the following advantages:
in the invention, the vertical baffling channel is arranged, so that the water inlet cavity and the water outlet cavity form a disturbance area, a buffer area and a settling chamber from top to bottom respectively, a sedimentation effect is generated in a smaller space, the water body purification is promoted, and the silt is recovered. When water passes through the filter plate, the filter holes are easy to block. Under the effect of rivers disturbance and impact, the elastic ball in its interior vibration chamber is the inner wall that jumps and strike the vibration chamber in the vibration chamber constantly to produce the vibration impact to the filter, make the impurity in the filtration pore break away from the filtration pore more easily, play good effect of preventing blockking up. The invention has better effects of purifying water and recovering silt because of the sedimentation process and the filtration process, reduces the burden of a drainage system and reduces the waste of the silt.
When the filter plate has blocking tendency and is not smooth in water passing, the vibration anti-blocking method is carried out, and the integral vibration effect is generated on the invention. The integral vibration effect not only can dredge the filter plates, but also can vibrate and drop objects attached to the baffle plates, so that the solid objects are promoted to be collected to the settling chamber. The variable frequency vibration motor is controlled to alternately operate at the water inlet cavity anti-blocking frequency and the water outlet cavity anti-blocking frequency, so that the amplitude generated by the variable frequency vibration motor is alternately maximized at the water inlet cavity and the water outlet cavity, and the optimal vibration anti-blocking effect is achieved.
The water inlet left baffle plate, the water outlet left baffle plate, the water inlet right baffle plate and the water outlet right baffle plate are all arranged in a downward inclined mode towards the other side, attached dirt on each baffle plate can flow downwards and enter the settling chamber conveniently, the dirt can be collected downwards conveniently, the baffle channel is prevented from being blocked, and the dirt cleaning work is facilitated.
The volume of the water outlet cavity is larger, so that the disturbance of the water body in the water outlet cavity is smaller, the water flow is smoother, and impurities in the water body are easier to precipitate towards the bottom.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view a-a of fig. 1 (i.e., a cross-sectional view of a filter plate).
Detailed Description
As shown in fig. 1 and 2, the muddy sand water filtering device for the laboratory of the invention comprises a conical water inlet hopper 1 with a large upper part and a small lower part, wherein the water inlet hopper 1 is connected with a water inlet pipe 2 downwards;
the water inlet pipe 2 is communicated with a water inlet cavity 3 downwards, the side wall of the water inlet cavity 3 is connected with a filter plate 4, the filter plate 4 is connected with a water outlet cavity 5, and a plurality of filter holes 6 communicated with the water inlet cavity 3 and the water outlet cavity 5 are distributed on the filter plate 4; the water outlet cavity 5 is connected with a water outlet pipe 7; a plurality of vibration cavities 8 are uniformly arranged in the filter plate 4, and elastic balls 9 are respectively arranged in each vibration cavity 8.
When water passes through the filter plates 4, the filter holes 6 are easily clogged. Under the effect of rivers disturbance and impact, the elastic ball 9 in its interior vibration chamber 8 constantly jumps in vibration chamber 8 and strikes the inner wall of vibration chamber 8 to produce the vibration impact to filter 4, make the impurity in filtering hole 6 break away from filtering hole 6 more easily, play good jam-proof effect.
One side of the filter plate 4 is connected with the upper part of the side wall of the water inlet cavity 3, and the other side of the filter plate is connected with the upper part of the side wall of the water outlet cavity 5; a plurality of layers of water inlet left baffle plates 10 are uniformly arranged on the upper and lower left side wall of the lower part of the water inlet cavity 3 at intervals, a plurality of layers of water inlet right baffle plates 11 are uniformly arranged on the upper and lower right side wall of the lower part of the water inlet cavity 3 at intervals, and the water inlet left baffle plates 10 and the water inlet right baffle plates 11 are alternately arranged up and down at intervals; a gap is arranged between the water inlet left baffle plate 10 and the right side wall of the water inlet cavity 3, a gap is arranged between the water inlet right baffle plate 11 and the left side wall of the water inlet cavity 3, and the water inlet left baffle plate 10 and the water inlet right baffle plate 11 are both connected with the front side wall and the rear side wall of the water inlet cavity 3;
a water inlet baffling channel is defined between the water inlet left baffle plate 10 and the water inlet right baffle plate 11; the water inlet cavity 3 above the water inlet deflection channel forms a water inlet disturbance area 19, the water inlet deflection channel is a water inlet buffer area, and the water inlet cavity 3 below the water inlet deflection channel forms a water inlet settling chamber 12. A water inlet decontamination door 13 is arranged on the side wall of the water inlet settling chamber 12;
a plurality of layers of water outlet left baffle plates 14 are uniformly arranged on the left side wall of the lower part of the water outlet cavity 5 at intervals from top to bottom, a plurality of layers of water outlet right baffle plates 15 are uniformly arranged on the right side wall of the lower part of the water outlet cavity 5 at intervals from top to bottom, and the water outlet left baffle plates 14 and the water outlet right baffle plates 15 are alternately arranged at intervals from top to bottom; a gap is formed between the left water outlet baffle plate 14 and the right side wall of the water outlet cavity 5, a gap is formed between the right water outlet baffle plate 15 and the left side wall of the water outlet cavity 5, and the left water outlet baffle plate 14 and the right water outlet baffle plate 15 are both connected with the front side wall and the rear side wall of the water outlet cavity 5;
a water outlet deflection channel is enclosed between the water outlet left baffle plate 14 and the water outlet right baffle plate 15; the water outlet cavity 5 above the water outlet deflection channel forms a water outlet disturbance area 17, the water outlet deflection channel is a water outlet buffer area, and the water outlet cavity 5 below the water outlet deflection channel forms a water outlet sedimentation chamber 18. The side wall of the effluent settling chamber 18 is provided with an effluent sewage disposal door 21;
the water inlet left baffle plate 10 and the water outlet left baffle plate 14 are both arranged in a downward inclined mode to the right, and the water inlet right baffle plate 11 and the water outlet right baffle plate 15 are both arranged in a downward inclined mode to the left.
The water inlet left baffle plate 10, the water outlet left baffle plate 14, the water inlet right baffle plate 11 and the water outlet right baffle plate 15 are all arranged in a downward inclined mode towards the other side, attached dirt on the baffle plates can flow downwards and enter the settling chamber conveniently, the dirt can be collected downwards conveniently, the baffle channel is prevented from being blocked, and dirt cleaning work is facilitated.
The lateral wall of the water inlet cavity 3 or the water outlet cavity 5 is connected with a backing plate 20, and the backing plate 20 is connected with a variable frequency vibration motor 16.
The area of the horizontal section of the water outlet cavity 5 is more than twice of the area of the horizontal section of the water inlet cavity 3.
The invention also discloses a vibration anti-blocking method of the muddy sand water filtering device for the laboratory. The outer wall of the water inlet cavity is provided with a water inlet amplitude sensor, the outer wall of the water outlet cavity is provided with a water outlet amplitude sensor, the water inlet amplitude sensor and the water outlet amplitude sensor are respectively connected with a display screen, and the display screen is used for displaying real-time amplitudes measured by the water inlet amplitude sensor and the water outlet amplitude sensor;
the working personnel adjust the operating frequency of the variable frequency vibration motor, so that the operating frequency of the variable frequency vibration motor gradually runs from the lowest frequency to the highest frequency; meanwhile, the worker observes the amplitude values measured by the water inlet amplitude sensor and the water outlet amplitude sensor through a display screen;
when the resonance phenomenon caused by the variable-frequency vibration motor at the water inlet cavity is the strongest, the amplitude measured by the water inlet amplitude sensor reaches the maximum value, and the working frequency of the variable-frequency vibration motor is the anti-blocking frequency of the water inlet cavity;
when the resonance phenomenon caused by the variable-frequency vibration motor at the water outlet cavity is the strongest, the amplitude measured by the water outlet amplitude sensor reaches the maximum value, and at the moment, the working frequency of the variable-frequency vibration motor is the anti-blocking frequency of the water outlet cavity.
The working personnel controls the variable frequency vibration motor to alternately operate at the water inlet cavity anti-blocking frequency and the water outlet cavity anti-blocking frequency through the electric control device, so that objects attached to the baffle plates are vibrated to fall off, and meanwhile, the objects attached to the filter holes are caused to fall off. The water inlet amplitude sensor, the water outlet amplitude sensor and the display screen are all existing devices, which are not shown in the figure.
When the water inlet baffle plate is used, water containing silt is discharged into the water inlet cavity 3 through the water inlet hopper 1 and the water inlet pipe 2, the water impacts the baffle plate downwards and enters the bottom of the water inlet cavity 3 along the water inlet baffle channel. After the water level rises gradually, water on the upper part of the water inlet cavity 3 enters the water outlet cavity 5 through the filtering holes 6 of the filtering plate 4, and silt with particles larger than the filtering holes 6 is left in the water inlet cavity 3 and gradually deposits downwards to the bottom of the water inlet cavity 3.
Because the water inlet deflection channel has the deflection function and the function of buffering water flow impact, a region with large water body disturbance (called as a water inlet disturbance region 19) is arranged in the water inlet cavity 3 above the water inlet deflection channel, the water body disturbance in the water inlet deflection channel gradually becomes mild from top to bottom (so the water inlet cavity 3 of the water inlet deflection channel part is called as a water inlet buffer region), and the water inlet cavity 3 below the water inlet deflection channel forms a water inlet settling region with small water body disturbance.
Similarly, the water inlet cavity 3 above the water outlet deflection channel is a water outlet disturbance area 17, the water outlet cavity 5 of the water outlet deflection channel part is a water outlet buffer area, and the water outlet cavity 5 below the water outlet deflection channel is a water outlet sedimentation area with small water body disturbance.
The water enters the water outlet disturbance area 17 from the water inlet disturbance area 19 through the filter plate 4 and enters the water outlet sedimentation area through the water outlet buffer area (water outlet deflection channel). The volume of the water outlet cavity 5 is larger, so that the disturbance of the water body in the water outlet cavity 5 is smaller, the water flow is smoother, and impurities in the water body are easier to precipitate towards the bottom.
When water passes through the filter plates 4, the filter holes 6 are easily clogged. Under the effect of rivers disturbance and impact, the elastic ball 9 in its interior vibration chamber 8 constantly jumps in vibration chamber 8 and strikes the inner wall of vibration chamber 8 to produce the vibration impact to filter 4, make the impurity in filtering hole 6 break away from filtering hole 6 more easily, play good jam-proof effect.
Finally, the filtered water flows out through the water outlet pipe 7. The invention has better effects of purifying water and recovering silt because of the sedimentation process and the filtration process, reduces the burden of a drainage system and reduces the waste of the silt. After the invention is used, the water inlet cleaning door 13 and the water outlet cleaning door 21 are opened to clean out deposited mud and sand.
When the filter plate has blocking tendency and is not smooth in water passing, the vibration anti-blocking method is carried out, and the integral vibration effect is generated on the invention. The integral vibration effect not only can dredge the filter plates, but also can vibrate and drop objects attached to the baffle plates, so that the solid objects are promoted to be collected to the settling chamber. The variable frequency vibration motor is controlled to alternately operate at the water inlet cavity anti-blocking frequency and the water outlet cavity anti-blocking frequency, so that the amplitude generated by the variable frequency vibration motor is alternately maximized at the water inlet cavity and the water outlet cavity, and the optimal vibration anti-blocking effect is achieved.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (6)
1. Laboratory is with muddy sand water filter equipment, its characterized in that: comprises a conical water inlet hopper with a large upper part and a small lower part, wherein the water inlet hopper is downwards connected with a water inlet pipe;
the water inlet pipe is downwards communicated with a water inlet cavity, the side wall of the water inlet cavity is connected with a filter plate, the filter plate is connected with a water outlet cavity, and a plurality of filter holes communicated with the water inlet cavity and the water outlet cavity are distributed in the filter plate; the water outlet cavity is connected with a water outlet pipe; a plurality of vibration cavities are uniformly arranged in the filter plate, and elastic balls are respectively arranged in each vibration cavity;
one side of the filter plate is connected with the upper part of the side wall of the water inlet cavity, and the other side of the filter plate is connected with the upper part of the side wall of the water outlet cavity;
a plurality of layers of water inlet left baffle plates are uniformly arranged on the upper and lower left side wall of the lower part of the water inlet cavity at intervals, a plurality of layers of water inlet right baffle plates are uniformly arranged on the upper and lower right side wall of the lower part of the water inlet cavity at intervals, and the water inlet left baffle plates and the water inlet right baffle plates are alternately arranged up and down at intervals; the left water inlet baffle plate and the right water inlet cavity side wall are separated by a gap, the right water inlet baffle plate and the left water inlet cavity side wall are separated by a gap, and the left water inlet baffle plate and the right water inlet baffle plate are connected with the front side wall and the rear side wall of the water inlet cavity;
a water inlet deflection channel is defined between the water inlet left baffle plate and the water inlet right baffle plate; the intake antrum of water inlet baffling passageway top forms into water disturbance district, and the baffling passageway that intakes is into water buffer zone, and the intake antrum of water inlet baffling passageway below forms into the precipitation chamber of intaking, is equipped with into water on the lateral wall of precipitation chamber and decontaminates the door.
2. The laboratory muddy water filtering device as claimed in claim 1, wherein: a plurality of layers of water outlet left baffle plates are uniformly arranged on the left side wall of the lower part of the water outlet cavity at intervals from top to bottom, a plurality of layers of water outlet right baffle plates are uniformly arranged on the right side wall of the lower part of the water outlet cavity at intervals from top to bottom, and the water outlet left baffle plates and the water outlet right baffle plates are alternately arranged from top to bottom at intervals; a gap is formed between the left water outlet baffle plate and the right side wall of the water outlet cavity, a gap is formed between the right water outlet baffle plate and the left side wall of the water outlet cavity, and the left water outlet baffle plate and the right water outlet baffle plate are both connected with the front side wall and the rear side wall of the water outlet cavity;
an outlet water baffling channel is defined between the outlet water left baffle plate and the outlet water right baffle plate; the water outlet cavity above the water outlet deflection channel forms a water outlet disturbance area, the water outlet deflection channel is a water outlet buffer area, the water outlet cavity below the water outlet deflection channel forms a water outlet sedimentation chamber, and a water outlet sewage disposal door is arranged on the side wall of the water outlet sedimentation chamber.
3. The laboratory muddy water filtering device as claimed in claim 2, wherein: the water inlet left baffle plate and the water outlet left baffle plate are arranged in a downward inclined mode towards the right, and the water inlet right baffle plate and the water outlet right baffle plate are arranged in a downward inclined mode towards the left.
4. The laboratory muddy water filtering apparatus as claimed in any one of claims 1 to 3, wherein: the lateral wall of intake antrum or play water cavity is connected with the backing plate, and the backing plate is connected with variable frequency vibrating motor.
5. The laboratory muddy water filtering apparatus as claimed in any one of claims 1 to 3, wherein: the area of the horizontal section of the water outlet cavity is more than twice of the area of the horizontal section of the water inlet cavity.
6. The vibrating anti-clogging method for the laboratory muddy water filtering apparatus as set forth in claim 4, characterized in that:
the outer wall of the water inlet cavity is provided with a water inlet amplitude sensor, the outer wall of the water outlet cavity is provided with a water outlet amplitude sensor, the water inlet amplitude sensor and the water outlet amplitude sensor are respectively connected with a display screen, and the display screen is used for displaying real-time amplitudes measured by the water inlet amplitude sensor and the water outlet amplitude sensor;
the working personnel adjust the operating frequency of the variable frequency vibration motor, so that the operating frequency of the variable frequency vibration motor gradually runs from the lowest frequency to the highest frequency; meanwhile, the worker observes the amplitude values measured by the water inlet amplitude sensor and the water outlet amplitude sensor through a display screen;
when the resonance phenomenon caused by the variable-frequency vibration motor at the water inlet cavity is the strongest, the amplitude measured by the water inlet amplitude sensor reaches the maximum value, and the working frequency of the variable-frequency vibration motor is the anti-blocking frequency of the water inlet cavity;
when the resonance phenomenon caused by the variable-frequency vibration motor at the water outlet cavity is the strongest, the amplitude measured by the water outlet amplitude sensor reaches the maximum value, and the working frequency of the variable-frequency vibration motor is the anti-blocking frequency of the water outlet cavity;
the working personnel controls the variable frequency vibration motor to alternately operate at the water inlet cavity anti-blocking frequency and the water outlet cavity anti-blocking frequency through the electric control device, so that objects attached to the baffle plates are vibrated to fall off, and meanwhile, the objects attached to the filter holes are caused to fall off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211023.6A CN110721520A (en) | 2019-12-02 | 2019-12-02 | Sand water filtering device for laboratory and vibration anti-blocking method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211023.6A CN110721520A (en) | 2019-12-02 | 2019-12-02 | Sand water filtering device for laboratory and vibration anti-blocking method |
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| CN110721520A true CN110721520A (en) | 2020-01-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111905679A (en) * | 2020-08-07 | 2020-11-10 | 焦作集越纳米材料技术有限公司 | Catalyst processing equipment for preparing carbon nano tube |
| CN116173573A (en) * | 2023-04-25 | 2023-05-30 | 衡水百纳化学有限公司 | Filter press for DSD acid production and production process |
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