CN214552585U - High-efficiency automatic backwashing composite metal membrane tube filter - Google Patents

Abstract

The utility model discloses a high-efficient automatic back flush composite metal membrane tube filter, it includes a jar body, jar body is including last barrel subassembly and lower barrel subassembly, goes up barrel subassembly top and is equipped with upper bearing seat subassembly, is provided with solid rotation axis on the upper bearing seat subassembly, barrel subassembly bottom is provided with down the axle bed subassembly down, is provided with hollow rotating support shaft down on the axle bed subassembly, and hollow rotating support shaft one end stretches into down in the barrel subassembly, and the other end passes through the link and links to each other with rotary joint, and solid axle one end links to each other with the filtration rotation axis one end that catchments that is located lower barrel subassembly, and filtration water-catchment rotation axis other end links to each other with hollow rotating support shaft one end, is provided with six claw formula water catchments on the filtration water collection rotation axis, is provided with the composite metal membrane tube that the upper end communicates with each other with and is connected with six claw formula water catchments on the six claw formula water catchments, the utility model discloses back flush water consumption is few, The flux of the composite metal membrane pipe after back flushing is greatly improved, the back flushing time is reduced, the service cycle after back flushing is prolonged, and the like.

Description

High-efficiency automatic backwashing composite metal membrane tube filter

Technical Field

The utility model belongs to the technical field of high-end environmental protection automatic control equipment among the industrial cycle waste water treatment, especially, high-efficient automatic back flush composite metal membrane pipe filter.

Background

At present, with the development of society, industry is also developing rapidly, and in the industrial processing process, often can produce a large amount of circulation waste water, and these waste water contains harmful substance such as a large amount of mud, suspended solid, oil, fine fibre, if direct discharge can cause water pollution. The existing industrial wastewater treatment equipment has high price, high cost, low service life of a filter element and poor backwashing effect; the effects of purifying suspended matters, removing oil and fine fibers are insufficient, meanwhile, a filter element is easy to block in the filtering process, the filtering capacity of the wastewater is reduced, and the effect is obviously insufficient; and the existing washing mode adopting the brushing sheet cleaning mode is only suitable for the brush type filter with a single composite metal membrane pipe, but the filtering capacity is small, and the washing mode is not suitable for industrial circulating water and large-amount wastewater treatment engineering.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model provides a have back flush water consumption few, back flush back composite metal membrane pipe flux promote greatly, back flush time reduces, advantage such as life cycle extension after the back flush to can reduce use cost, improve production efficiency, have fine economic benefits's high-efficient automatic back flush composite metal membrane pipe filter.

The to-be-solved technical problem of the utility model is that: a high-efficiency automatic backwashing composite metal membrane tube filter comprises a tank body, wherein the tank body comprises an upper cylinder body assembly and a lower cylinder body assembly, an upper shaft base assembly is arranged at the top of the upper cylinder body assembly, a solid rotating shaft is arranged on the upper shaft base assembly, one end of the solid rotating shaft extends into the upper cylinder body assembly, and the other end of the solid rotating shaft is connected with a servo motor through a coupler and a high-speed rotating motor support; the bottom of the lower barrel component is provided with a lower shaft seat component, the lower shaft seat component is provided with a hollow rotating support shaft, one end of the hollow rotating support shaft extends into the lower barrel component, the other end of the hollow rotating support shaft is connected with a rotary joint through a connecting frame, one end of a solid shaft extending into the upper barrel component is connected with one end of a filtering and water collecting rotating shaft positioned in the lower barrel component, the other end of the filtering and water collecting rotating shaft is connected with one end of the hollow rotating support shaft extending into the lower barrel component, the filtering and water collecting rotating shaft is provided with a six-claw water collector which is distributed in a horizontal plane and one end of which is communicated with the filtering and water collecting rotating shaft, the six-claw water collector is provided with a composite metal film pipe, the upper end of the composite metal film pipe is communicated with the six-claw water collector, the lower end of the composite metal film pipe extends into the lower barrel component, the lower barrel component is provided with a liquid inlet, and the bottom of the lower barrel component is provided with a back flush sewage outlet and an ultrasonic cleaning head, an air outlet is formed in the top of the upper barrel assembly, and the rotary joint can discharge filtered circulating water and input backwashing water through conversion.

The utility model provides a high-efficient automatic back flush composite metal membrane pipe filter, the utility model discloses can make full use of will adopt raw water + steam + ultrasonic wave + high-speed rotatory compound mode to the back flush of composite metal membrane for most tar on the composite metal membrane, big footpath suspended solid drop, and discharge in the filter. The automatic control system of the novel backflushing composite metal membrane filter changes the previous manual backflushing monotone control mode, designs and optimizes a set of novel manual, timing and pressure difference combined mode to backflush the composite metal membrane, and can improve the filtering effect and the filtering capacity and reduce the labor force. The method can filter suspended matters, oil, fine fibers and other impurities in the industrial wastewater more efficiently, and has remarkable filtering effect and obviously improved efficiency.

The utility model discloses high-efficient states automatic back flush composite metal membrane tubular filter and takes ATM automatic control filtration, back flush technical scheme from: a set of automatic control system is designed to control the backwashing system. Adding a pressure sensor at each of the inlet and the outlet of the filtering process, and automatically starting a back washing process through the difference between the two pressure sensors; and the filtering time self-storage function is additionally added, the composite metal membrane pipe is automatically backwashed according to the filtering time, and precipitated impurities in the filter are periodically discharged, so that the related procedures of manual operation, pressure difference and timing control of filtering, backwashing and periodic pollution discharge of the filter are realized. Thereby make filter core regeneration, extension filter core life improves the quality and the filtration efficiency of the water after filtering.

The utility model discloses make full use of will adopt raw water + steam + ultrasonic wave + high-speed rotatory compound mode to the back flush of composite metal membrane for most tar on the composite metal membrane, big footpath suspended solid drop, and discharge in the filter. The utility model discloses back flush water consumption is few, back flush back composite metal membrane pipe flux promotes greatly, back flush time reduces, advantage such as life cycle extension after the back flush to can reduce use cost, improve production efficiency, have fine economic benefits.

Drawings

FIG. 1 is a schematic view of the structure of the back-washing composite metal membrane tube filter of the present invention,

FIG. 2 is a schematic diagram of the filtering and backwashing process of the backwashing composite metal membrane tube filter of the utility model,

FIG. 3 is a schematic structural view of the backwash composite metal membrane tube filter of the present invention in a filtration state,

FIG. 4 is a schematic structural view of the backwashing composite metal membrane tube filter of the present invention in a backwashing state,

FIG. 5 is a schematic cross-sectional view of the lower cartridge assembly of FIG. 1.

In the figure, 1, a servo motor 2, a coupler 3, a high-speed rotating motor support 4, an upper shaft base component 5, a solid rotating shaft 6, a lifting lug 7, an upper cylinder component 8, a filtering water collecting rotating shaft 9, a six-claw water collector 10, a liquid inlet 11, a lower cylinder component 12, a support 13, an ultrasonic cleaning head 14, a hollow rotating support shaft 15, a back flushing sewage draining outlet 16, a lower shaft base component 17, a connecting frame 18, a rotating joint 19, a remote liquid level lower metering port 20, a composite metal film pipe 21, a manual port 22, a remote liquid level upper metering port 23, an exhaust port 24, a remote liquid metering device 25, an ultrasonic generator 26, a clean water tank 27, external steam 28, a water pump 29, a valve group B30, a valve group C31, a valve group E32, a valve group D33, a valve group A34, A pressure transmitter 35, an automatic exhaust valve 36, a wastewater pond 37, a filtering liquid outlet or a back flushing liquid inlet 38 and a safety valve port.

Description of the circulating water filtration process:

1. under the condition that the filter tank body is a hollow tank, firstly, slowly filling circulating water to be treated into the filter tank body from a liquid inlet 10(N1), wherein the pressure of the circulating water is not more than 0.8MPa, and in the process of adding the circulating water, air in the tank body is discharged from an automatic exhaust valve 23 (N5);

2. when circulating water is added, the liquid filtering outlet 37(N2) is slowly opened, the liquid inlet 10(N1) is adjusted, the flow of the circulating water is controlled to be stable, and the rapid change of the internal pressure and temperature of the filter is avoided so as to prevent the internal metal mesh pipe from being damaged; when the filter works normally, the pressure difference between the liquid inlet (N1) and the liquid outlet (N2) should not exceed a set value of 0.12 MPa;

3. if the internal pressure of the filter is greater than the setting pressure of the safety valve, the safety valve can automatically jump and reduce the pressure, and the filter is prevented from being damaged.

The back washing process is as follows:

1. when the operating pressure difference of the filter exceeds a set value, the back washing operation of the equipment is carried out in time;

2. the medium for back washing of the filter is filtered circulating water or clear water and steam;

3. the back washing pressure is not more than 1.0-1.2 MPa;

4. before backwashing, the liquid inlet 10(N1) and the backwashing liquid inlet 37(N2) are closed;

5. starting a variable frequency motor to enable a rotating frame of the variable frequency motor to rotate at a high speed, slowly and sequentially opening a valve group 30 No. C connected with a backwashing liquid inlet 37(N2) and a valve group 32 No. D connected with a backwashing sewage outlet (N3) for backwashing, and keeping the backwashing process for 3 minutes;

6. turning off the variable frequency motor, turning on the ultrasonic cleaning head, cleaning the composite metal membrane tube (filter element) for about 3 minutes under the action of water pressure and ultrasonic waves, and starting the variable frequency motor and backwashing for 3 minutes simultaneously; the backwashing process mainly cleans suspended matters and impurities in the stainless steel sintering filter tube;

7. the valve set B29 connected with the back flush liquid inlet 37(N2) is closed, the back flush water in the tank body is discharged from the valve set D32 connected with the back flush sewage discharge outlet 15(N3), the variable frequency motor is started to enable the rotating frame to rotate at a high speed, and suspended matters and impurities attached to the surface of the filter element are thrown out by using centrifugal force; slowly and sequentially opening a valve group B connected with a back-flushing liquid inlet 37 and a valve group D connected with a back-flushing sewage outlet for back flushing;

8. after the back washing operation is finished, the back washing liquid inlet 37 and the back washing sewage discharge outlet 15 are closed to discharge all the wastewater in the equipment, then the back washing sewage discharge outlet is closed, the liquid inlet 10 is opened slowly, the back washing liquid outlet 37 is adjusted to enter a normal filtering process, and the filter is turned into a normal working state. By which the entire filter backflushing operation is ended.

Detailed Description

In the figure, the high-efficiency automatic backwashing composite metal membrane tube filter comprises a tank body, wherein the tank body comprises an upper cylinder body assembly 7 and a lower cylinder body assembly 11 which are fixedly connected by a screw rod, the top of the upper cylinder body assembly is provided with an upper shaft base assembly 4 and a lifting lug 6, the upper shaft base assembly is provided with a solid rotating shaft 5, one end of the solid rotating shaft extends into the upper cylinder body assembly, and the other end of the solid rotating shaft is connected with a servo motor 1 through a coupler 2 and a high-speed rotating motor support 3; a lower shaft seat assembly 16 is arranged at the bottom of the lower barrel assembly, a hollow rotating support shaft 14 is arranged on the lower shaft seat assembly, one end of the hollow rotating support shaft extends into the lower barrel assembly, the other end of the hollow rotating support shaft is connected with a rotating joint 18 through a connecting frame 17, the upper barrel assembly 7, the lower barrel assembly 11, the upper shaft seat assembly 4, the lower shaft seat assembly and the connecting frame are all in the prior art, and a liquid outlet on the rotating joint is respectively connected with a clean water tank 26 through a No. B valve bank 29 and a No. C valve bank 30; the liquid outlet on the rotary joint is connected with external water vapor 27 through an E-shaped valve group 31, one end of a solid rotary shaft extending into the upper cylinder assembly is connected with one end of a filtering and water collecting rotary shaft 8 positioned in the lower cylinder assembly, the other end of the filtering and water collecting rotary shaft is connected with one end of a hollow rotary support shaft 14 extending into the lower cylinder assembly, the solid rotary shaft is formed by combining two sections by using a coupler, a six-claw type water collector 9 which is distributed in a horizontal plane and one end of which is communicated with the filtering and water collecting rotary shaft is arranged on the filtering and water collecting rotary shaft, the other end of the six-claw type water collector is distributed in a spoke shape, a composite metal film pipe 20 with the upper end communicated with the six-claw type water collector is arranged on the six-claw type water collector, the lower end of the composite metal film pipe extends into the lower cylinder assembly, a liquid inlet 10 is arranged at the upper end of the lower cylinder assembly, a back flushing sewage discharge port 15 and an ultrasonic cleaning head 13 are arranged at the bottom of the lower cylinder assembly, the ultrasonic cleaning head is connected with an ultrasonic generator 25, the lower cylinder assembly is provided with a manual port 21 (convenient for maintenance and repair), the upper end and the lower end of the lower cylinder assembly are respectively provided with a remote liquid level upper metering port 22 and a remote liquid level lower metering port 19, a remote liquid metering device 24 is arranged between the remote liquid level upper metering port 22 and the remote liquid level lower metering port 19, the top of the upper cylinder assembly is provided with an exhaust port 23 and a safety valve port 38, the rotary joint can discharge filtered circulating water and input filtered clean water for back washing through conversion, namely, when the circulating water is filtered, the water penetrates into the composite metal pipe from the inner surface of the composite metal pipe rotating along with the shaft in the tank body, then enters the six-jaw water collector 9 from the composite metal pipe, then enters the rotating filtering water collecting rotating shaft 8 from the six-jaw water collector 9, and the filtered circulating water enters the hollow rotating supporting shaft, then, filtered circulating water enters the clean water tank 26 through a water hole (the water hole is called as a filtering liquid outlet 37 during filtering and called as a backwashing liquid inlet 37 during backwashing) on a rotary joint movably connected with the lower end of the hollow rotary support shaft and an opened valve group B29, and the rotary joint 18 is movably communicated with the hollow rotary support shaft in a sealing way through a connecting frame; during backwashing, the valve group B29 is closed, the valve group C30 and the valve group E31 are opened, the water pump 28 is started, and backwashing is carried out by using the clean water in the filtered clean water pool and the external water vapor 27. And (3) the backwashing water seeps outwards into the tank body from the interior of the composite metal membrane pipe in the opposite flowing direction of the filtering water, the valve group D32 is opened, then the backwashing sewage is discharged into the wastewater pool 36 from the backwashing sewage discharge outlet 15 at the bottom of the tank body, the wastewater in the wastewater pool enters the tank body through the liquid inlet 10 for filtering after the valve group A33 is opened and the pressure transmitter 34 is started, and the process is circulated. The upper cylinder assembly is provided with an exhaust port 23 (N5) and a safety valve port 38 (N4), the exhaust port is connected with a wastewater pond through an automatic exhaust valve 35, and the lower cylinder assembly is fixedly supported on a frame body (not shown in the figure) through a support 12.

Inlet 10(N1) is the import of circulation waste water liquid, filters out the export that liquid mouth 37(N2) is liquid after filtering, during the back flush: or for liquid (steam) entering jar internal back flush inlet 37 during the back flush, the liquid outlet of back flush drain 15(N3) waste liquid when the back flush, safety valve port 38 (N4) are used for installing the relief valve, evacuation jar internal air port when gas vent 23 (N5) are the feed liquor, the man-made mouth 21 (N6) is convenient for install the manhole that composite metal membrane pipe and maintenance were seted up, metering orifice 22 (N7) are used for installing teletransmission liquid level counter, feedback liquid level control information on metering orifice 19 and the teletransmission liquid level under the teletransmission liquid level, the utility model provides an automatic control technique is prior art.

Claims (3)

1. The utility model provides a high-efficient automatic back flush composite metal membrane tube filter, it includes a jar body, jar body is including last barrel subassembly (7) and lower barrel subassembly (11), it is equipped with pedestal assembly (4), characterized by to go up barrel subassembly top: a solid rotating shaft (5) is arranged on the upper shaft base assembly, one end of the solid rotating shaft extends into the upper barrel body assembly, and the other end of the solid rotating shaft is connected with the servo motor (1) through a coupler (2) and a high-speed rotating motor support (3); a lower shaft seat assembly (16) is arranged at the bottom of the lower barrel assembly, a hollow rotating support shaft (14) is arranged on the lower shaft seat assembly, one end of the hollow rotating support shaft extends into the lower barrel assembly, the other end of the hollow rotating support shaft is connected with a rotating joint (18) through a connecting frame (17), one end of a solid shaft extending into the upper barrel assembly is connected with one end of a filtering and water collecting rotating shaft (8) positioned in the lower barrel assembly, the other end of the filtering and water collecting rotating shaft is connected with one end of the hollow rotating support shaft extending into the lower barrel assembly, a six-claw water collector (9) which is distributed in a horizontal plane and one end of which is communicated with the filtering and water collecting rotating shaft is arranged on the filtering and water collecting rotating shaft, a composite metal film pipe (20) with the upper end communicated with the six-claw water collector is arranged on the six-claw water collector, the lower end of the composite metal film pipe extends into the lower barrel assembly, a liquid inlet (10) is arranged on the lower barrel assembly, the bottom of the lower barrel component is provided with a backwashing sewage outlet (15) and an ultrasonic cleaning head (13), the top of the upper barrel component is provided with an exhaust port (23), and the rotary joint can discharge filtered circulating water and input backwashing water through conversion.

2. The high-efficiency automatic backwashing composite metal membrane tube filter of claim 1, which is characterized in that: the solid rotating shaft (5) is formed by combining two sections of couplers.

3. The high-efficiency automatic backwashing composite metal membrane tube filter of claim 1, which is characterized in that: the rotary joint (18) is movably communicated and connected with the hollow rotary supporting shaft through a connecting frame.

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