CN209997305U

CN209997305U - ultrasonic filter

Info

Publication number: CN209997305U
Application number: CN201920341462.8U
Authority: CN
Inventors: 范功端; 洪亮; 罗静; 欧阳恒; 肖剑仁; 包旻晟
Original assignee: Fujian Architectural Design Research Institute Co Ltd; Fuzhou University; Fujian University of Technology
Current assignee: Fujian Architectural Design Research Institute Co Ltd; Fuzhou University; Fujian University of Technology
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-01-31
Anticipated expiration: 2029-03-18

Abstract

The utility model relates to an ultrasonic type filter equipment, which comprises a housin 6, be equipped with inlet tube 9 on the casing 6, outlet pipe 12 and mud pipe 7, inlet tube 9 is the reducing structure, be equipped with the filter 5 of being connected with outlet pipe 12 in the casing 6, inlet tube 9, be equipped with water inlet solenoid valve 10 on outlet pipe 12 and the mud pipe 7 respectively, water outlet solenoid valve 1 and mud pipe 8, be equipped with intake pressure detector 11 and water outlet pressure detector 13 on inlet tube 9 and the outlet pipe 12 respectively, be equipped with ultrasonic transducer 4 on the 6 lateral walls of casing, filter equipment still includes control module, intake pressure detector 11, water outlet pressure detector 13, water inlet solenoid valve 10, water outlet solenoid valve 1 and mud pipe 8 are connected with control module respectively, ultrasonic transducer 4 is connected with control module through power amplifier 3 and signal generator 2, the device not only can reduce the impurity gathering, the siltation, and can effectively get rid of siltation impurity, the treatment effeciency is high.

Description

ultrasonic filter

Technical Field

The utility model relates to a water treatment technical field, concretely relates to ultrasonic type filter equipment.

Background

Water pollution is which is the most concerned environmental problem in the world nowadays, with the increasing serious water pollution problem, the sewage treatment industry in China is rapidly developed, pretreatment is used as an important link of a water treatment process, the quality of raw water pretreatment can directly or indirectly influence the treatment effect of a subsequent process and the effluent quality, and therefore, treatment devices which are energy-saving, environment-friendly and high in treatment efficiency are urgently researched and developed for the water treatment pretreatment stage aiming at the water quality characteristics of unbalanced water resource distribution, water resource shortage, serious and complex water pollution and the like in China.

The filtration technology is treatment technologies which are widely applied to the pretreatment stage by , and the traditional common screen filter is widely applied to the fields of water source filtration, industrial circulating water systems, sewage treatment, water source heat pump systems and the like by due to the characteristics of good filtration effect, small resistance and the like, but the traditional common screen filter is difficult to be widely applied to the field of water treatment by due to the defects of small pollutant carrying capacity, easy blockage by pollutants, complex cleaning work (the filtration part can be cleaned only by disassembling), low automation degree, large influence of human factors and the like.

However, the fully automatic cleaning filter is not yet mature in design scheme and design structure, so that a large amount of impurities inside the filter are accumulated and deposited, effective removal of the impurities is difficult to achieve even in a backwashing stage, the continuous and stable operation of the filter cannot be guaranteed, and the filter service life and the filter efficiency of the filter are seriously low.

Disclosure of Invention

An object of the utility model is to provide an kind of supersound formula filter equipment, the device not only can reduce impurity gathering, siltation, can effectively get rid of the siltation impurity moreover, and the treatment effeciency is high, and is energy-concerving and environment-protective, and the running cost is low.

In order to achieve the purpose, the technical scheme of the utility model is that ultrasonic type filter equipment, including casing (6), be equipped with inlet tube (9), outlet pipe (12) and mud pipe (7) on casing (6), inlet tube (9) are reducing structure to let into water and produce the whirl, be equipped with in casing (6) with filter (5) that outlet pipe (12) are connected, be equipped with respectively on inlet tube (9), outlet pipe (12) and mud pipe (7) into water solenoid valve (10), play water solenoid valve (1) and mud solenoid valve (8), be equipped with respectively on inlet tube (9) and outlet pipe (12) into water pressure detector (11) and play water pressure detector (13) to detect the pressure differential between the inlet pipe and the outlet pipe, be equipped with ultrasonic transducer (4) that are used for taking place the ultrasonic wave on casing (6) the lateral wall, filter equipment still includes control module, advance water pressure detector (11) and play water pressure detector (13) respectively with control module's detection signal input end is connected, advance water solenoid valve (10), play water transducer (1) and mud pipe (8) and control module (3) control signal amplifier (3) are connected respectively.

, the water inlet pipe (9) is arranged on the side of the shell (6), the water inlet pipe (9) is of a tapered structure and forms an inclination angle of 5-15 degrees with the horizontal plane to generate cyclone to primarily separate raw water and large-particle-size impurities, the water outlet pipe (12) is arranged on the top of the shell (6), and the filter (5) is arranged in the middle of the shell (6) and connected with the water outlet pipe (12).

, the filter (5) is a laminated filter to form a tight filter element under the action of spring force and pressing force generated inside and outside the gland to remove small particle size impurities in water.

step by step, be equipped with a plurality ofly on casing (6) lateral wall ultrasonic transducer (4), ultrasonic transducer (4) are followed casing (6) periphery wall equipartition, and are followed casing (6) vertical axis direction array sets up.

, a back washing period setter is arranged on the control module to set the back washing period.

Compared with the prior art, the utility model has the beneficial effects of providing can effectively avoid impurity at the inside gathering of filter equipment, the supersound formula filter equipment of siltation, in the filtration stage, adopt the whirl mode of intaking, utilize centrifugal force and density difference to realize the initial gross separation of big particle size impurity in the former aquatic, alleviate filter equipment's pressure, and utilize low-power ultrasonic wave to reduce impurity gathering, the siltation, in the back flush stage, utilize the synergism of high power ultrasonic wave and rivers, cause the impurity dispersion of siltation on filter inner wall and lamination, drop, realize the high-efficient of the inside siltation impurity of filter and get rid of in the back flush in-process, it is inconvenient to have remedied traditional filter equipment to wash, shortcoming such as degree of automation is low, effectively promote filtration efficiency, automatic washing blowdown has been realized on water reuse rate's basis, have very strong practicality and broad application prospect.

Drawings

Fig. 1 is a structural sectional view of an embodiment of the present invention.

Fig. 2 is a top view of the structure of the embodiment of the present invention.

Fig. 3 is a control schematic diagram of an embodiment of the present invention.

In the figure, 1, a water outlet electromagnetic valve; 2. a signal generator; 3. a power amplifier; 4. an ultrasonic transducer; 5. a lamination filter; 6. a housing; 7. a sludge discharge pipe; 8. a sludge discharge electromagnetic valve; 9. a water inlet pipe; 10. a water inlet electromagnetic valve; 11. a water inlet pressure detector; 12. a water outlet pipe; 13. and a water outlet pressure detector.

Detailed Description

The present invention will be described in further detail in with reference to the accompanying drawings and specific embodiments.

The utility model provides an ultrasonic filter equipment, this filter equipment has whirl sand setting function, hold back filtering capability, filtration and back flush automatic switch-over function and back flush function, firstly, raw water gets into filter equipment with the whirl form, utilize centrifugal force and density difference to realize the preliminary separation of big particle size suspended impurities in the raw water, realize whirl sand setting function, reuse spring force and the inside and outside packing force regulation lamination state that produces of gland, get rid of the aquatic small particle size impurity, realize holding back filtering capability, then, through the setting of control module, business turn over water pressure detector, back flush cycle settlement ware and solenoid valve, realize filtration and back flush mode automatic switch-over function, simultaneously, through at filter equipment externally mounted ultrasonic transducer, control module is according to the actual demand of the different operating condition of filter equipment, the automatic regulation produces different power ultrasonic waves, realize the inside impurity siltation of device under the filtration mode reduce and the inside siltation impurity of device under the back flush mode effectively gets rid of dual purpose.

Fig. 1 and 2 are a structural sectional view and a plan view of an embodiment of the present invention. As shown in fig. 1 and 2, the utility model discloses an ultrasonic filter device, including casing (6), be equipped with inlet tube (9), outlet pipe (12) and mud pipe (7) on casing (6), the lateral part of casing (6) is located in inlet tube (9), and the top of casing (6) is located in outlet pipe (12), and the bottom of casing (6) is located in mud pipe (7). The middle part of the shell (6) is provided with a filter (5) connected with a water outlet pipe (12), the water inlet pipe (9), the water outlet pipe (12) and the sludge discharge pipe (7) are respectively provided with a water inlet electromagnetic valve (10), a water outlet electromagnetic valve (1) and a sludge discharge electromagnetic valve (8), the water inlet pipe (9) and the water outlet pipe (12) are respectively provided with a water inlet pressure detector (11) and a water outlet pressure detector (13) to detect the pressure difference between the water inlet pipe and the water outlet pipe, and the outer side wall of the shell (6) is provided with an ultrasonic transducer (4) for generating ultrasonic waves. In the embodiment, the ultrasonic transducers (4) are uniformly distributed along the peripheral wall of the shell (6) and are arranged in an array along the vertical axis direction of the shell (6).

The utility model discloses an supersound formula filter equipment still includes control module, and pressure detector (11) of intaking and play water pressure detector (13) are connected with control module's detected signal input part respectively, and solenoid valve (10) of intaking, play water solenoid valve (1) and row's mud solenoid valve (8) are connected with control module's control signal output part respectively, and ultrasonic transducer (4) are connected with control module through power amplifier (3) and signal generator (2). The control module is provided with a back washing period setter to set the back washing period.

In the water inlet stage, in order to realize that the raw water flows downwards along the inner wall of the device in a cyclone mode and achieve the purpose of cyclone desanding, the water inlet pipe (9) adopts a tapered structure and forms an inclination angle of 5-15 degrees with the horizontal plane so as to enable the inlet water to generate cyclone and primarily separate the raw water from impurities with large particle size.

In the filtering stage, a water inlet electromagnetic valve (10) and a water outlet electromagnetic valve (1) are opened, a sludge discharge electromagnetic valve (8) is closed, raw water subjected to 'rotational flow desanding' primary treatment passes through a filter (5) under the action of pressure, steps are carried out to intercept and remove small-particle-size impurities and then water is discharged from a water outlet pipe (12).

When the water inlet pressure detector (11) and the water outlet pressure detector (13) detect that the pressure difference between the water inlet pipe and the water outlet pipe exceeds a set threshold value or reaches a set backwashing period, the control module controls the filtering device to automatically switch from a filtering mode to a backwashing mode.

In the back washing stage, the water inlet electromagnetic valve (10) is closed, and the water outlet electromagnetic valve (1) and the sludge discharge electromagnetic valve (8) are opened. The treated raw water enters the interior of the filtering device from the water outlet pipe (12) at 3-5 times of water inlet flow, and is discharged from the sludge discharge pipe (7) after the laminated sheets and the inner wall of the device are washed. In the whole backwashing process, the signal generator (2), the power amplifier (3) and the ultrasonic transducer (4) work cooperatively to generate high-power ultrasonic waves of 200-400W, so that the separation and the falling of deposited impurities in the filtering device are realized, and the backwashing efficiency is improved.

Fig. 3 is a control schematic diagram of an embodiment of the present invention. As shown in fig. 3, the control and working processes of the present invention are as follows:

after the raw water pipe is connected into a water inlet pipe (9) of the filtering device, the filtering device is started and starts to work. The working process of the ultrasonic filtering device of the utility model comprises a filtering process and a back washing process. The filtration process is carried out as follows:

a1 and a control module control the water inlet electromagnetic valve (10) and the water outlet electromagnetic valve (1) to be opened, the sludge discharge electromagnetic valve (8) to be closed, raw water enters the shell (6) from the water inlet pipe (9) in a cyclone mode, and the primary separation of large-particle-size suspended impurities in the raw water is realized by utilizing centrifugal force and density difference.

A2, filtering impurities with small particle sizes in water in a shell (6) through a filter (5) under the pushing of pressure, and enabling the impurities to flow out of a water outlet pipe (1), wherein in the process, a control module regulates and controls a signal generator (2), a power amplifier (3) and an ultrasonic transducer (4) to generate low-power ultrasonic waves with the frequency of 20-40 kHz and the power of 50-150W, so that the accumulation and deposition of the impurities in the shell (6) in the filtering process are reduced;

when the set pressure difference and the practice parameter both meet , in this embodiment, that is, the pressure difference between the water inlet pipe and the water outlet pipe detected by the water inlet pressure detector (11) and the water outlet pressure detector (13) exceeds 0.1MPa, or reaches the backwashing period (12 h) set by the backwashing period setting device, the control module controls the filtering device to automatically switch from the filtering process to the backwashing process.

The back washing process comprises the following steps:

b1, the control module controls the water inlet electromagnetic valve (10) to be closed, the water outlet electromagnetic valve (1) and the sludge discharge electromagnetic valve (8) to be opened, and the backwashing water enters the shell (6) from the water outlet pipe (1) to flush the impurities on the filter (5). Under the back flush mode, the set flow of the back flush water is 3-5 times of the ordinary inflow.

B2, the control module regulates and controls the signal generator (2), the power amplifier (3) and the ultrasonic transducer (4) to generate high-power ultrasonic waves with the frequency of 20-40 kHz and the power of 200-400W so as to remove deposited impurities in the shell (6) in the back washing process.

Through optimization experiments, in the preferred embodiment of the utility model, the water inlet pipe is designed in a tapered manner, and the outlet diameter is designed to be 1/2 of the inlet diameter, so that the raw water jet flow enters the device and flows along the inside of the device in a rotational flow manner, and the purpose of rotational flow sand setting is achieved; in the filtering stage, the ultrasonic wave with the frequency of 35 kHz and the power of 100W is adopted to obviously reduce the deposition amount of impurities; and in the back flushing stage, the deposited impurities can be effectively decomposed and fall off by adopting ultrasonic waves with the frequency of 35 kHz and the power of 300W, so that the deposited impurities are removed in the back flushing stage.

Above is the utility model discloses a preferred embodiment, all rely on the utility model discloses the change that technical scheme made, produced functional action does not surpass the utility model discloses during technical scheme's scope, all belong to the utility model discloses a protection scope.

Claims

The ultrasonic filtering device is characterized by comprising a shell (6), wherein a water inlet pipe (9), a water outlet pipe (12) and a sludge discharge pipe (7) are arranged on the shell (6), the water inlet pipe (9) is of a variable-diameter structure so as to enable water to generate rotational flow, a filter (5) connected with the water outlet pipe (12) is arranged in the shell (6), a water inlet electromagnetic valve (10), a water outlet electromagnetic valve (1) and a sludge discharge electromagnetic valve (8) are respectively arranged on the water inlet pipe (9), the water outlet pipe (12) and the sludge discharge pipe (7), a water inlet pressure detector (11) and a water outlet pressure detector (13) are respectively arranged on the water inlet pipe (9) and the water outlet pipe so as to detect the pressure difference between the water inlet pipe and the water outlet pipe, an ultrasonic transducer (4) for generating ultrasonic waves is arranged on the outer side wall of the shell (6), the filtering device further comprises a control module, the water inlet pressure detector (11) and the water outlet pressure detector (13) are respectively connected with the detection signal input end of the control module, and the signal output end of the ultrasonic transducer (3) and the ultrasonic amplifier (3) are respectively connected with the sludge discharge electromagnetic valve (8).
2. The ultrasonic filter unit of claim 1, wherein the inlet pipe (9) is disposed at the side of the housing (6), the inlet pipe (9) is of a tapered structure and forms an inclination angle of 5-15 ° with the horizontal plane to generate a cyclone for primary separation of raw water and large particle size impurities, the outlet pipe (12) is disposed at the top of the housing (6), and the filter (5) is disposed at the middle of the housing (6) to connect with the outlet pipe (12).
3. The ultrasonic filter unit of claim 1, wherein the filter (5) is a laminated filter to form a compact filter element under the action of spring force and pressing force generated inside and outside the gland to remove small particle size impurities from water.
4. The ultrasonic filter unit of claim 1, wherein a plurality of said ultrasonic transducers (4) are disposed on the outer side wall of said housing (6), said ultrasonic transducers (4) are uniformly distributed along the outer peripheral wall of said housing (6) and are arrayed along the vertical axis direction of said housing (6).
5. The ultrasonic filter device of claim 1, wherein the control module has a backwash cycle setter thereon to set the backwash cycle.