CN214495811U

CN214495811U - Filter with ultrasonic backwashing function

Info

Publication number: CN214495811U
Application number: CN202120119790.0U
Authority: CN
Inventors: 张洪源; 王祺; 吴广恒; 哈文旭; 郑洲; 沙美奥
Original assignee: Tianjin Vocational Institute
Current assignee: Tianjin Vocational Institute
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-10-26
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a filter with supersound back flush function, include: the tank body, the sieve, the ultrasonic wave shakes the board, the filter material mouth, the sieve is equipped with in the middle of its internal portion of jar, the sieve is a flat board and is provided with a plurality of apertures on this flat board, in the internal portion sieve top of jar, hug closely a jar internal wall and be provided with two ultrasonic wave of the same size and shake the board, the sieve top is used for placing filter material, tank side face is provided with a circular filter material mouth and is used for loading and takes out the filter material, the top of the tank body is provided with the sewage inlet tube, is provided with the water purification outlet pipe in jar body bottom. The side surface of the tank body is provided with a gas inlet pipe and a lotion inlet pipe, the longitudinal position of the tank body is positioned below the sieve plate, the side surface of the tank body is provided with a lotion outlet pipe, the outlet is provided with a filter screen, and the longitudinal position of the tank body is positioned above the ultrasonic vibration plate. The utility model discloses simple structure, it is easy and simple to handle, be applicable to the filtration operation of oily sewage, adopt supersound and gas-liquid mixture to act on the filter material in coordination, can make the efficiency of back flush improve by a wide margin.

Description

Filter with ultrasonic backwashing function

Technical Field

The utility model belongs to the technical field of oily sewage filters, relate to a filter with supersound back flush function particularly.

Background

The oily sewage has different morphological characteristics in water according to different sources and different process conditions, and the oil is usually in the states of emulsified oil, suspended oil, dispersed oil and the like in water. The oil particles of the dispersed oil are fine, and the size of the oil particles is generally distributed between 5 and 100 mu m. The treatment of such greases is dominated by filtration. The existing filtering materials mainly comprise materials such as walnut shells and fiber balls, grease can be adsorbed on the surface of the materials after the materials filter oily sewage, and when the materials adsorb the grease to be saturated, the materials can continue to play a role in intercepting grease particles after regeneration. The current industrial methods for regenerating the adsorbent materials mainly use fluid-based backwashing of the materials, for example, CN202020644868.6 and CN201721504720.7 both use liquid, gas or gas-liquid mixture for backwashing to regenerate the materials, and some researchers have proposed equipment using mechanical forced flushing, such as the adsorbent regeneration scheme mentioned in CN 202020202000.0.

However, in these regeneration schemes, grease is completely separated from the surface of the material by power, the regeneration time is relatively long, the water consumption is large, and the material is easily broken, and the service life of the material is reduced.

Disclosure of Invention

To prior art not enough, the utility model aims to provide a filter with supersound back flush function, this filter makes the greasy dirt produce microcosmic vibrations at the material surface through using ultrasonic technology, and the grease granule can break away from the material surface fast, and the washing effect of cooperation gas-liquid mixture fluid can make adsorbing material realize quick regeneration. By using the ultrasonic technology, the flushing time can be saved, the water consumption for flushing is reduced, and the production efficiency is improved.

The purpose of the utility model is realized by the following technical scheme.

A filter with ultrasonic backwashing function comprises: the tank body, the sieve plate, the ultrasonic vibration plate, the filter material port, the sewage inlet pipe, the purified water outlet pipe, the gas inlet pipe, the washing liquid outlet pipe and the valve are arranged in the middle of the tank body, the sieve plate is a flat plate and is provided with a plurality of small holes, two ultrasonic vibration plates with the same size are arranged on the upper portion of the sieve plate in the tank body and are tightly attached to the inner wall of the tank body, the filter material, the fiber ball filter material or the walnut shell filter material is arranged on the upper portion of the sieve plate, the filter material port is positioned on the side face of the tank body, is a circular hole and is provided with a sealing plate, and is positioned above the sieve plate in the longitudinal direction and is just opposite to the filter material placing area, the sewage inlet pipe is positioned at the top end of the tank body, is connected with the tank body and penetrates through the tank body to extend into the tank body, the valve control switch is arranged on the sewage inlet pipe, the purified water outlet pipe is positioned at the bottom end of the tank body, is connected with the tank body and penetrates through the tank body to extend into the tank body, be furnished with valve control switch on the water purification outlet pipe, gaseous intake pipe is located the sieve below and links to each other with a jar body and stretches into a jar internal portion, is furnished with valve control switch in gaseous intake pipe, the lotion inlet tube is located the sieve below and links to each other with a jar body and stretches into a jar internal portion, is furnished with valve control switch on the lotion inlet tube, the lotion outlet pipe links to each other with a jar body and stretches into a jar internal portion, is provided with the filter screen in the exit, and the vertical position is located the top that the ultrasonic wave shakes the board, is furnished with valve control switch on the lotion outlet pipe.

In the above technical scheme, the cross section of the inner wall of the tank body is circular.

In the technical scheme, a filter material port is formed on the wall of the tank body, and the filter material port is opposite to the filter material in the tank and used for filling and taking out the filter material into the tank.

In the technical scheme, the sieve plate is a flat plate provided with a plurality of small holes, and the edge of the sieve plate is connected with the inner wall of the tank body and fixedly arranged on the inner wall of the tank body.

In the above technical solution, the ultrasonic vibration plate is arc-shaped, the arc surface of the ultrasonic vibration plate is tangent to the inner wall of the tank body and is fixedly mounted on the inner wall of the tank body, and the upper portion of the ultrasonic vibration plate is provided with a wire and is connected to the outside of the tank body through a waterproof structure to connect with an ultrasonic device (the ultrasonic device is not shown).

In the technical scheme, the sewage inlet pipe is positioned at the top end of the tank body, is connected with the tank body and extends into the tank body through the tank body.

In the technical scheme, the valve is arranged on the pipeline outside the tank body of the sewage inlet pipe.

In the technical scheme, the purified water outlet pipe is positioned at the bottom end of the tank body, is connected with the tank body and extends into the tank body through the tank body.

In the technical scheme, the valve is arranged on the pipeline outside the tank body of the purified water outlet pipe.

In the technical scheme, the gas inlet pipe is positioned on the side surface of the tank body, is connected with the tank body and extends into the tank body, and the longitudinal space position of the gas inlet pipe is positioned below the sieve plate.

In the above technical scheme, a valve is installed on the external pipeline of the tank body of the gas inlet pipe.

In the technical scheme, the washing liquid inlet pipe is positioned on the side surface of the tank body, is connected with the tank body and extends into the tank body, and the longitudinal space position of the washing liquid inlet pipe is positioned below the sieve plate.

In the technical scheme, the valve is arranged on the pipeline outside the tank body of the washing liquid inlet pipe.

In the above technical scheme, the lotion outlet pipe is connected with the outer wall of the tank body and penetrates through the tank body to extend into the tank body, a filter screen is arranged at an outlet for preventing the fiber ball filter material or the walnut shell filter material from being flushed out of the tank body under the action of the gas-liquid mixed fluid, and the longitudinal spatial position of the lotion outlet pipe is positioned above the ultrasonic vibration plate.

In the technical scheme, a valve is arranged on a pipeline outside the tank body of the washing liquid outlet pipe.

The use method of the filter with the ultrasonic backwashing function comprises the following steps:

opening the filter material mouth, loading the filter material, loading the height and not being higher than the ultrasonic wave and shake board upper edge, close the filter material mouth and compress tightly, close gas intake pipe valve, lotion inlet pipe valve, lotion outlet pipe valve, open water purification outlet pipe valve. Opening sewage inlet pipe valve, oily sewage gets into jar internal portion, filters the back through the filter material, and the grease granule is held back on the filter material surface, becomes the water purification through filterable sewage, and the water purification passes through the sieve and gets into jar body lower part to the water purification outlet pipe through the bottom flows. When the filter material is saturated with the oil, the valve of the sewage inlet pipe and the valve of the purified water outlet pipe are closed in sequence; opening a washing liquid outlet pipe valve, a gas inlet pipe valve and a washing liquid inlet pipe valve in sequence; clean water and compressed air are filled into the bottom of the tank body through the gas inlet pipe and the washing liquid inlet pipe, a power switch of ultrasonic equipment (not shown) is turned on, a gas-liquid mixture is sprayed from bottom to top through the sieve plate, and after passing through the filter material layer, the washing liquid is discharged through the washing liquid outlet pipe. When the cleaning is finished, closing a power switch, a gas inlet pipe valve, a cleaning solution inlet pipe valve and a cleaning solution outlet pipe valve of the ultrasonic equipment (not shown) in sequence; and opening a valve of the clean water outlet pipe, opening a valve of the sewage inlet pipe, and continuing to perform the step of filtering the oily sewage.

The utility model has the advantages as follows:

the utility model discloses a filter of supersound back flush function simple structure is applicable to the filtration operation of oily sewage, adopts supersound and gas-liquid mixture to act on the filter material in coordination, can make the efficiency of back flush improve by a wide margin, can not only shorten the back flush time, reduces back flush water consumption, reduces back flush sewage volume, can also make regeneration effect better, improves the desorption rate of grease from the filter material surface.

Drawings

FIG. 1 is a front view of the filter with ultrasonic back washing function of the present invention;

FIG. 2 is a left side view of the filter with ultrasonic back washing function of the present invention;

FIG. 3 is a top view of the screen panel and ultrasonic seismic panel of FIG. 1;

wherein, 1: sewage inlet pipe, 2: a tank body, 3: sieve plate, 4: ultrasonic vibration plate, 5: filter material port, 6: filter material, 7: washing liquid outlet pipe, 8: gas inlet pipe, 9: lotion inlet tube, 10: water purification outlet pipe, 11: sewage inlet pipe valve, 12: wash outlet valve, 13: gas inlet pipe valve, 14: wash liquor inlet pipe valve, 15: a purified water outlet pipe valve.

Detailed Description

The technical solution of the present invention will be further described with reference to the following specific examples.

Example 1

As shown in fig. 1, a filter with an ultrasonic backwashing function includes: the device comprises a sewage inlet pipe 1, a tank body 2, a sieve plate 3, an ultrasonic vibration plate 4 (the model is ACDZ-20, the same below), a filter material port 5, a lotion outlet pipe 7, a lotion inlet pipe 9 and a purified water outlet pipe 10. The top and the bottom of jar body 2 are spherical cap type head, the intermediate portion is cylindrical tubbiness, be provided with sieve 3 at jar internal 2 inside intermediate positions, 3 edges of sieve and jar 2 inner wall fixed connection of body, sieve 3 is a flat board and is provided with a plurality of apertures on this flat board (see figure 3), 3 top at the sieve, be provided with two ultrasonic wave shake board 4 the same completely, ultrasonic wave shakes board 4 and is the arc plate structure, its cambered surface hugs closely jar 2 inner walls and adorns admittedly on the inner wall, two ultrasonic wave shake board 4 subtend and place, ultrasonic wave shakes 4 upper ends and is connected with the wire, its wire outside cover is equipped with waterproof construction, the wire communicates jar external portion through waterproof construction and links to each other with ultrasonic equipment (ultrasonic equipment does not show). Install on the 2 lateral walls of jar body and strain material mouth 5, filter material mouth 5 is circular trompil, and trompil externally mounted has the closing plate that can dismantle, and the lower edge of straining material mouth 5 is seen in figure 2 with 3 parallel and level of sieve, sieve 3, ultrasonic wave shake board 4, the vertical relative position of straining material mouth 5. A sewage inlet pipe 1 is arranged in the middle of the top end of the tank body 2, is connected with the tank body 2 and penetrates through a top end socket of the tank body 2 to extend into the tank body 2. A purified water outlet pipe 10 is arranged in the middle of the bottom end of the tank body 2, is connected with the tank body 2 and penetrates through a seal head at the bottom of the tank body 2 to extend into the tank body 2. A washing liquid outlet pipe 7 is formed on the outer wall of the tank body 2, the washing liquid outlet pipe 7 is positioned above the ultrasonic vibration plate 4, and a filter screen is arranged at the outlet. A lotion inlet pipe 9 is formed on the outer wall of the tank body 2, and the lotion inlet pipe 9 is positioned below the sieve plate 3.

Example 2

On the basis of embodiment 1, be formed with gas inlet pipe 8 on the jar body 2 outer wall, gas inlet pipe 8 is located the sieve 3 below. A sewage inlet pipe valve 11 is arranged on the sewage inlet pipe 1, a lotion outlet pipe valve 12 is arranged on the lotion outlet pipe 7, a gas inlet pipe valve 13 is arranged on the gas inlet pipe 8, a lotion inlet pipe valve 14 is arranged on the lotion inlet pipe 9, and a purified water outlet pipe valve 15 is arranged on the purified water outlet pipe 10.

For an example of oily sewage treatment in a certain working section of an oil refinery, according to detection, the content of oil in the oily sewage fluctuates within a small range of 95-103 mg/L, a renewable fiber ball filter material 6 (see patent CN201811339002.8) is filled in a tank body 2, the upper edge of the filling height of the filter material is lower than the upper edge of an ultrasonic vibration plate 4, and a filter material opening 5 is closed and tightly pressed. The gas inlet pipe valve 13, the washing liquid inlet pipe valve 14 and the washing liquid outlet pipe valve 12 are closed in sequence, and the purified water outlet pipe valve 15 is opened in sequence. The valve 11 of the sewage inlet pipe is opened, oily sewage enters the tank body 2, after being filtered by the filter material 6, grease particles are intercepted on the surface of the filter material 6, the oily sewage is changed into purified water, and the purified water enters the lower part of the tank body 2 through the sieve plate 3 and flows out through the purified water outlet pipe 10 at the bottom. After 8 hours of continuous water inflow, the filter material 6 is saturated by absorbing grease, and the sewage inlet pipe valve 11 and the purified water outlet pipe valve 15 are closed successively; then opening a washing liquid outlet pipe valve 12, a gas inlet pipe valve 13 and a washing liquid inlet pipe valve 14 in sequence; clean water and compressed air are injected into the bottom of the tank body 2 through the gas inlet pipe 8 and the washing liquid inlet pipe 9, a power switch of an ultrasonic device (not shown) is turned on, a gas-liquid mixture is sprayed from bottom to top through the sieve plate 3, under the combined action of ultrasonic waves and washing of the gas-liquid mixture, grease is separated from the surface of the renewable fiber ball filter material 6 and enters the washing liquid, and the washing liquid is discharged through the washing liquid outlet pipe 7. After 2 minutes of cleaning, the renewable fiber ball filter material 6 recovers the adsorption function, and the backwashing process is finished. The water consumption for back flushing is 1.82 tons, and the generated back flushing sewage is 1.92 tons, compared with the common filter without ultrasonic function, the water consumption for flushing is reduced by 53.45 percent, and the generated back flushing sewage is reduced by 52.00 percent. Through detection, the removal rate of grease from the surface of the filter material is increased from 91.2% of that of a common filter to 99.3% of that of the common filter, and the data are shown in the following table.

The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.

Claims

1. A filter with an ultrasonic backwashing function is characterized by comprising: the utility model provides a jar body (2), sieve (3), ultrasonic wave shake board (4), filter material mouth (5), sewage inlet tube (1), water purification outlet pipe (10), gas intake pipe (8), lotion inlet tube (9), lotion outlet pipe (7), sieve (3) are equipped with in the middle of jar body (2) is inside, and in jar internal sieve top of (2), hug closely a jar internal wall and be provided with two ultrasonic waves of same size and shake board (4), filter material mouth (5) be located jar body (2) side, sewage inlet tube (1) are located jar body (2) top, link to each other and pass jar body (2) and stretch into jar internal portion with jar body (2), water purification outlet pipe (10) are located jar body (2) bottom, link to each other and pass jar body (2) and stretch into jar internal portion, jar body (2) side is provided with gas intake pipe (8), lotion inlet tube (9), A washing liquid outlet pipe (7).

2. The filter with the ultrasonic backwashing function as claimed in claim 1, wherein a filtering material port (5) is formed on a side wall of the tank body (2), and the filtering material port (5) is opposite to the filtering material at a position in the tank for filling and taking out the filtering material into and from the tank.

3. The filter with the ultrasonic backwashing function of claim 1, wherein the sieve plate (3) is a flat plate provided with a plurality of small holes, and the edge of the sieve plate (3) is connected with the inner wall of the tank body (2) and is fixedly arranged on the inner wall of the tank body (2).

4. The filter with the ultrasonic backwashing function of claim 1, wherein the ultrasonic vibration plate (4) is arc-shaped, the arc surface of the ultrasonic vibration plate (4) is tangent to the inner wall of the tank body (2) and is fixedly arranged on the inner wall of the tank body (2), and a wire is arranged at the upper part of the ultrasonic vibration plate (4) and is communicated to the outside of the tank body through a waterproof structure.

5. A filter with ultrasonic back washing function according to claim 1, characterized in that the gas inlet pipe (8) is positioned at the side of the tank body (2), connected with the tank body (2) and extending into the tank body, and the longitudinal space position thereof is positioned below the sieve plate (3).

6. A filter with ultrasonic back washing function according to claim 1, characterized in that the washing liquid inlet pipe (9) is connected with the tank body (2) at the side of the tank body (2) and extends into the tank body, and the longitudinal space position of the washing liquid inlet pipe is positioned below the sieve plate (3).

7. The filter with the ultrasonic backwashing function as claimed in claim 1, wherein the washing liquid outlet pipe (7) is located on the side surface of the tank body (2), connected with the tank body (2) and extending into the tank body, and a filter screen is arranged at the outlet, and the longitudinal space position of the filter screen is located above the ultrasonic vibration plate (4).