CN204469343U - A kind of high-efficiency and continuous filter for steel rolling Treatment of Sludge - Google Patents

Abstract

The utility model discloses a high-efficiency continuous filter device for treating steel rolling sludge, which comprises a sealed pressurized chamber and a filter chamber, wherein the sealed pressurized chamber is a closed hollow tank body, and the filter chamber is arranged inside the sealed pressurized chamber . The filter chamber includes a drive wheel and a filter belt. The filter belt is wound around the periphery of the drive wheel to form a filter transmission mechanism. The filter belt is connected to a vibration pump and driven by it to vibrate; in addition, the bottom of the sealed pressurized chamber corresponds to the filter chamber The position below is provided with a cleaning tank, and the inside of the cleaning tank is set as at least two independent spaces through a partition, and connected pipelines are respectively arranged between adjacent independent spaces, and the pipelines are connected with water pumps, and the water pumps Drive the water in the adjacent independent space to transfer through the pipeline, and the two ends of the partition and the cleaning tank are respectively provided with gaps for the filter belt to pass through; the cleaning tank is fixed with a filter for brushing and filtering Belt cleaning device.

Description

A high-efficiency continuous filter device for steel rolling sludge treatment

technical field

The utility model relates to the field of steel rolling wastewater treatment, in particular to a high-efficiency continuous filter device for treating steel rolling sludge.

Background technique

Due to direct contact with the equipment, the circulating water of the steel rolling direct cooling system has a high content of suspended matter and oil in the water. At the same time, in the steel rolling process, a large amount of iron oxide washed down by the high-pressure water gun also enters the steel rolling direct cooling circulating cooling water system with water. Therefore, the steel rolling direct cooling circulating cooling water system is usually equipped with scale recovery and sludge treatment systems, generally including rolling mill swirl wells, chemical degreasers, mud pools and filter press systems.

At present, in the traditional process of circulating water in the steel rolling direct cooling system, the bottom sludge of the chemical degreaser enters the mud tank, and after being evenly stirred, it is sent to the sludge filter press system, and is filtered by a plate and frame filter press to form a mud cake for external operation. Industrial solid waste is stored, and the filtered water of the plate and frame filter press is returned to the chemical degreaser. In this process, the plate and frame filter press for processing the bottom sludge of the chemical degreaser has defects such as large equipment investment, large volume, complex mechanism, and intermittent operation due to structural reasons, resulting in low working efficiency and poor filtering effect. Although the existing belt filter can realize continuous operation, it generally has defects such as easy blockage of the filter screen, high liquid content in the retentate, and unsatisfactory solid-liquid separation effect. In addition, because the filter working surface of the belt filter has With a certain length, when the amount of material added to the filter belt is large, it is easy to cause damage to the filter belt. On the one hand, it limits the amount of material added to the filter and affects work efficiency. On the other hand, it accelerates the wear of the filter belt and affects the service life of the belt filter. .

In addition, the cleaning of the filter belt is also a key step that affects the working efficiency. How to clean the filter belt quickly and efficiently plays a vital role in improving the working efficiency of the filter device.

Utility model content

The purpose of this utility model is to provide a high-efficiency continuous filter device for the treatment of steel rolling sludge in view of the shortcomings of the sludge filter press system in the general steel rolling wastewater treatment. A certain pressure difference is formed between the ballast and the filter chamber, so that the sludge injected into the filter belt of the filter chamber can be filtered quickly, efficiently and continuously. A certain vibration is generated during the process of filtering materials, thereby increasing the efficiency of solid-liquid separation of the sludge to be treated on it.

Another purpose of the utility model is that by setting the cleaning tank as a plurality of independent spaces connected by pipelines, different cleaning liquids can be placed therein, and the cleaning liquid can be circulated in it as required, improving the cleaning efficiency. The effect and efficiency, and improve the utilization rate of cleaning fluid.

The technical scheme of the utility model is:

A high-efficiency continuous filter device for steel rolling sludge treatment, including:

The sealed pressurized chamber is a closed hollow tank body, and the outer wall of the sealed pressurized chamber is provided with an air inlet pipe and a feed pipe;

A filter chamber, which is arranged inside the sealed pressurized chamber, the filter chamber includes a driving wheel and a filter belt, wherein the driving wheel is arranged at both ends of the filter chamber, and the filter belt is wound around the driving wheel A filter transmission mechanism is formed on the outer periphery, and the filter belt is connected to and driven by multiple vibration pumps to vibrate, wherein at least one vibration pump is arranged on the upper part of the filter transmission mechanism;

In addition, a cleaning tank is provided at the bottom of the sealed pressurized chamber corresponding to the position below the filter chamber, and at least two independent spaces are arranged in the cleaning tank through a partition, and communication channels are respectively provided between adjacent independent spaces. The pipeline is connected to the water pump and driven by the water pump to transfer the water in the adjacent independent space through the pipeline. The two ends of the partition and the cleaning tank are respectively provided with filters for filtering A gap through which the belt passes; a cleaning device for brushing the filter belt is fixed in the cleaning tank.

Preferably, in the high-efficiency continuous filter device for treating steel rolling sludge, at least one of the vibrating pumps is set at the lower part of the filter transmission mechanism, or is set in the cleaning tank;

In addition, a drain pipe for discharging the cleaning water is also arranged in the cleaning tank, and the water outlet of the drain pipe is arranged outside the sealed pressurized chamber.

Preferably, in the high-efficiency continuous filtering device for treating steel rolling sludge, the cleaning device is composed of multiple sets of cylindrical cleaning mechanisms arranged in sequence in the cleaning tank.

Preferably, in the high-efficiency continuous filtering device for treating steel rolling sludge, the cylindrical cleaning mechanism includes a rotating shaft and a cleaning brush, and the two ends of the rotating shaft are respectively connected to the inner walls on both sides of the cleaning tank. The cleaning brushes radially surround the outer circumference of the rotating shaft and form a cylindrical cleaning mechanism with a certain radius of rotation. The radius of rotation of the cylindrical cleaning mechanism is based on the fact that the outer edge of the cylindrical cleaning mechanism can reach the filter belt.

Preferably, in the high-efficiency continuous filtering device for treating steel rolling sludge, the movable connection mode between the two ends of the rotating shaft and the inner walls on both sides of the cleaning tank is that the inner walls on both sides of the cleaning tank correspond to the two ends of the rotating shaft A rotating disc with a serrated outer edge is provided at the position, and a non-circular opening is provided in the center of the rotating disc. The way in the non-circular opening is movably connected with the rotating disk; the rotating disk is movably connected with the inner walls on both sides of the cleaning tank through hinges.

Preferably, in the high-efficiency continuous filter device for rolling mill sludge treatment, the inner walls on both sides of the cleaning tank correspond to the positions of the sawtooth outer edges of the rotating disc, which can be translated and are serrated with the rotating disc. A chain that engages with the sawtooth on the outer edge of the chain.

Preferably, in the high-efficiency continuous filter device for treating steel rolling sludge, the chain is connected with a motor and driven by the motor to move.

Preferably, in the high-efficiency continuous filter device for treating steel rolling sludge, the filter chamber further includes a scraper, the scraper is arranged at one end of the filter chamber and abuts against the filter belt ;

In addition, the side of the filter chamber is provided with a filtrate outlet pipeline, and the filtrate outlet pipeline passes through the outer wall of the sealed pressurized chamber and communicates with the outside; the inside of the sealed pressurized chamber is also provided with a material export pipeline, so The first end of the material lead-out pipeline is set at the lower part of the filter chamber and corresponds to the two ends of the scraper, and the second end of the material lead-out pipeline passes through the sealed pressurized chamber. The outer wall communicates with the outside of the sealed pressurized chamber.

Preferably, in the high-efficiency continuous filter device for treating steel rolling sludge, an air blowing pipe is also arranged inside the sealed pressurized chamber, and the open end of the air blowing pipe is arranged above the filter belt, so that The opening end of the air blowing pipe is set to be flat, and the width of the opening end corresponds to the width of the filter belt, and an angle of 30-75 degrees is arranged between the opening direction of the air blowing pipe and the filter belt, and the opening direction is in line with the filter belt. The transmission direction of the filter belt is relatively set;

The air blowing pipe is provided with a plurality of open ends through the distribution head, and the plurality of open ends are sequentially distributed above the filter belt along the filter belt.

The utility model has the following beneficial effects: the high-efficiency continuous filter device for steel rolling sludge treatment described in the utility model, by setting the filter chamber in the sealed pressurized chamber, a certain pressure is formed between the sealed pressurized chamber and the filter chamber. The pressure difference, so that the sludge injected into the filter belt of the filter chamber can be filtered quickly, efficiently and continuously. At the same time, by connecting the filter belt with a vibration pump, the filter belt can produce certain vibrations in the process of filtering materials. , thereby increasing the solid-liquid separation efficiency of the sludge to be treated on it, the utility model improves the working efficiency by more than 20% compared with the traditional plate and frame sludge filter press device.

In addition, by setting the cleaning tank as a plurality of independent spaces connected by pipelines, different cleaning solutions can be placed in it according to the nature of the filtrate. The filter belt enters from the independent cleaning space at one end, and passes through the The independent spaces of different cleaning liquids can completely clean the residues of different properties attached to them, and clean water can be put in the last independent space for cleaning, so that the filter belt after cleaning with cleaning liquids can be rinsed with clean water before cleaning. Make full use of it to reduce the corrosion of the cleaning fluid on the filter belt and increase its service life. On the other hand, there are often more residues washed down in the independent cleaning space that enters first, and it is easy to cause the turbidity of the cleaning solution. The degree of turbidity decreases according to the arrangement of multiple independent spaces. The cleaner cleaning solution is replaced in the upstream cleaning independent space to increase the utilization rate of the cleaning solution, and the turbid cleaning solution is discharged from the system through the drain pipe in time, so that the cleaning solution in the cleaning tank can maintain a certain degree of cleanliness without stopping Filtration work replaces the cleaning fluid, which greatly improves the efficiency and effect of filtration.

Finally, by adding a vibrating pump in the cleaning tank, the filter bag will vibrate at a certain frequency during the process of passing through the cleaning tank, so that the residue on it is easier to fall off and the cleaning effect is improved.

Description of drawings

Fig. 1 is a structural schematic diagram of a high-efficiency continuous filter device for steel rolling sludge treatment according to the utility model.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings, so that those of ordinary skill in the art can implement it after referring to this specification.

As shown in Figure 1, a kind of high-efficiency continuous filter device for steel rolling sludge treatment described in the utility model comprises:

A high-efficiency continuous filter device for steel rolling sludge treatment, including:

The sealed pressurized chamber 1 is a closed hollow tank. The outer wall of the sealed pressurized chamber 1 is provided with an air intake pipe and a feed pipe 2. It is filled with high-pressure gas to form a high-pressure closed system, and the feed pipe 2 is used for putting in the sludge to be treated.

The filter chamber 6 is arranged inside the sealed pressurized chamber 1. The filter chamber 6 includes a driving wheel 3 and a filter belt 5, wherein the number of the driving wheels 3 is two, and the driving wheels 3 are respectively arranged on the The two ends of the filter chamber 6 also include a plurality of transmission rollers 4 that support and reinforce the filter belt 5. The transmission rollers 4 are arranged at positions between the driving wheels 3. The diameter of the transmission rollers 4 is Set to be less than or equal to 1/8 of the diameter of the driving wheel 3, on the one hand, it can ensure that the driving roller 4 can effectively support the filter belt 5, and on the other hand, it can be set to a smaller diameter to save space in the filter chamber 6 . The filter belt 5 is wound around the drive wheel 3 and the drive roller 4 to form a filter transmission mechanism, and the filter chamber 6 and the sealed pressurized chamber 1 are divided into two independent airtight spaces. The filter belt 5 and multiple Two vibrating pumps are connected and driven by them to vibrate. At least one vibrating pump is arranged on the upper part of the filter transmission mechanism. When the sludge to be treated is added to the filter belt 5, it can be accelerated due to the vibration of the filter belt 5. The solid-liquid separation speed of the sludge to be treated can be effectively improved.

In addition, a cleaning tank 11 is provided at the bottom of the sealed pressurized chamber 1 corresponding to the position below the filter chamber 6. The inside of the cleaning tank 11 is set as at least two independent spaces through a partition 12. Between adjacent independent spaces There are respectively connected pipelines between them, and the pipelines are connected with the water pump, and the water in the adjacent independent space is transferred by the water pump driven by the pipeline; Each end is provided with a slit for passing the filter belt 5, and the filter bag belt 5 enters the cleaning tank 11 from the slit at one end of the cleaning tank 11, and then passes through the slit on the partition 12 to enter different independent spaces. A cleaning device for scrubbing the filter belt 5 is fixed in the cleaning tank 11 . By setting the cleaning tank 11 as a plurality of independent spaces connected by pipelines, different cleaning solutions can be placed therein according to the properties of the filtrate. The filter belt 5 enters from the cleaning independent space at one end, and passes through the internal spaces in sequence. The cleaning independent space of different cleaning liquids can completely clean the residues of different properties attached to it, and clean water can be put in the last cleaning independent space, so that the filter belt 5 cleaned by the cleaning liquid can be rinsed with clean water. Carry out full use again, reduce the corrosion of cleaning fluid to filter belt 5, increase its service life. On the other hand, there are often more residues washed down in the independent cleaning space that enters first, and it is easy to cause the turbidity of the cleaning solution. The degree of turbidity decreases according to the arrangement of multiple independent spaces. The cleaner cleaning liquid is replaced into the independent cleaning space upstream to increase the utilization rate of the cleaning liquid.

In the high-efficiency continuous filter device for treating steel rolling sludge, at least one of the vibrating pumps is arranged at the lower part of the filter transmission mechanism, or in the cleaning tank 11, so that the filter belt 5 is cleaned Vibration of a certain frequency is generated during the process of the tank 11, making the residue on it easier to fall off and improving the cleaning effect.

In addition, the cleaning tank 11 is also provided with a drain pipe 13 for discharging the cleaning water. The cleaning solution discharge system enables the cleaning solution in the cleaning tank 11 to maintain a certain degree of cleanliness, and it is not necessary to stop the filtering work to replace the cleaning solution, thereby greatly improving the efficiency and effect of filtering.

The side of described filter belt 5 is also provided with the baffle plate that is used for sealing filter transmission mechanism, guarantees that filter chamber 6 is a space independent of sealed pressurized chamber 1, and the side of described filter chamber 6 is provided with filtrate pipeline 7, The other end of the filtrate pipeline 7 passes through the outer wall of the sealed pressurized chamber 1 and communicates with the outside. The inside of the sealed pressurized chamber 1 is also provided with a material export pipeline 10, and the second end of the material outlet pipeline 10 passes through the outer wall of the sealed pressurized chamber 1 and communicates with the outside of the sealed pressurized chamber 1. . During use, high-pressure gas is filled into the sealed pressurized chamber 1 through the air intake pipe, so that there is a pressure difference of not less than 0.5 MPa between the filter chamber 6 and the sealed pressurized chamber 1, due to the existence of this pressure After the sludge to be treated is continuously added to the filter belt 5 through the feed pipe 2, the solid matter in the sludge to be treated is evenly distributed on the filter belt 5, and the liquid reaches the filter chamber through the mesh on the filter belt 5 6, and discharged to the outside of the sealed pressurized chamber 1 through the filtrate pipeline 7.

The bottom of the sealed pressurized chamber 1 is provided with a cleaning tank 11 corresponding to the position below the filter chamber 6, and a cleaning device for scrubbing the filter belt 5 is fixed in the cleaning tank 11, so that the intercepted matter on the filter belt 5 is cleaned. After being unloaded, it can be thoroughly cleaned when it is rotated to the position of the cleaning tank 11, and the residue on the filter belt 5 can be completely eliminated substantially, so that the continuous operation of the filter is guaranteed.

In the high-efficiency continuous filtration device for treating steel rolling sludge, the cleaning device is composed of multiple sets of cylindrical cleaning mechanisms arranged in sequence in the cleaning tank 11 . The multiple groups of cylindrical cleaning mechanisms are arranged in sequence, and driven by the motor to rotate in the opposite direction to the transmission direction of the filter belt 5, so as to ensure that the filter belt 5 is thoroughly cleaned when the filter belt 5 passes through the cleaning tank 11.

In the high-efficiency continuous filter device for treating steel rolling sludge, the cylindrical cleaning mechanism includes a rotating shaft and a cleaning brush, and the two ends of the rotating shaft are respectively movably connected with the inner walls on both sides of the cleaning tank 11, and the cleaning brush It radially surrounds the outer circumference of the rotating shaft and forms a cylindrical cleaning mechanism with a certain radius of rotation. The radius of rotation of the cylindrical cleaning mechanism is based on the fact that the outer edge of the cylindrical cleaning mechanism can reach the filter belt 5 . The cleaning brush is a brush made of alkali-resistant and acid-resistant fiber, which can go deep into the mesh of the filter belt 5 to thoroughly scrub the filter belt 5 .

In the high-efficiency continuous filtering device for treating steel rolling sludge, the flexible connection between the two ends of the rotating shaft and the inner walls on both sides of the cleaning tank 11 is that the inner walls on both sides of the cleaning tank 11 correspond to the positions at the two ends of the rotating shaft. A rotating disk with a serrated outer edge is provided, and a non-circular opening is provided in the center of the rotating disk. The non-circular opening can be square or triangular, etc., and the two ends of the rotating shaft are arranged to be in line with the The specifications corresponding to the non-circular opening are movably connected with the rotating disk in a manner embedded in the non-circular opening, so that the rotating shaft can be driven by the rotating disk to rotate; the rotating disk is connected to the cleaning tank 11 through a hinge. The side inner walls are movably connected so that the rotating disk can rotate around the hinge points with the inner walls on both sides of the cleaning tank 11 as the axis, thereby driving the rotating shaft to rotate.

In the high-efficiency continuous filter device for treating steel rolling sludge, the inner wall on both sides of the cleaning tank 11 is provided with a serrated outer edge of the rotating disk at the position corresponding to the position of the rotating disk. The sawtooth snaps together the chain. The chain is connected with the motor and driven by the motor to move. The chain is driven by the motor to move circularly, and drives the rotating disk engaged with it to rotate, and the rotating disk drives the rotating shaft to rotate at the same time, so that the cylindrical cleaning mechanism rotates accordingly, ensuring continuous cleaning of the filter belt 5 .

In the high-efficiency continuous filtration device for treating steel rolling sludge, the filter chamber 6 also includes a scraper 8, which is a V-shaped plate with a certain bending angle, and the scraper 8 It is arranged at one end of the filter chamber 6 and abuts against the filter belt 5; the angle between the top of the scraper 8 is set to 45-75 degrees, and the arrangement between the scraper 8 and the filter belt 5 is , the direction pointed by the top of the scraper 8 is opposite to the driving direction of the filter belt 5 . Moreover, an included angle of 45-60 degrees is set between the scraper 8 and the filter belt 5, which can well scrape off the entrapment attached to the filter belt 5, and make the entrapment slide down along both sides of the scraper 8 get collected.

The first end of the material outlet pipeline 10 is arranged at the lower part of the filter chamber 6 and corresponds to the two ends of the scraper 8, and the second end of the material outlet pipeline 10 passes through the The outer wall of the sealed pressurized chamber 1 communicates with the outside of the sealed pressurized chamber 1 . The scraper 8 diverts the retentate at its top, and the two ends of the scraper 8 respectively extend beyond the edges of both sides of the filter belt 5 by no less than 5 cm, so that the diverted retentate can be scraped along the Plate 8 falls to the first end corresponding to the material lead-out pipeline 10 of filter chamber 6 bottoms, in the inlet of material lead-out pipeline 10, and the second end of the material lead-out pipeline that is connected with a decompression device will intercept The material is discharged from the sealed pressurized chamber 1. By arranging the feed pipe 2, the filtrate outlet pipeline 7 and the material export pipeline 10, the utility model realizes continuous filtration of materials and improves work efficiency.

The air blowing pipe 9 is also arranged inside the sealed pressurized chamber 1, the opening end of the air blowing pipe 9 is arranged on the top of the filter belt 5 for drying the retentate, the opening end of the air blowing pipe 9 is arranged It is flat, and the width of the opening end corresponds to the width of the filter belt, an angle of 30-75 degrees is set between the opening direction of the blowing pipe and the filter belt 5, and the opening direction is in line with the transmission direction of the filter belt 5 Relatively arranged, and the blowing pipe 9 is provided with a plurality of open ends through the distribution head, and the plurality of open ends are distributed sequentially above the filter belt 5 along the filter belt 5, which can effectively increase the intercepted matter on the filter belt 5 and The contact time and contact area of the hot air, meanwhile, due to the vibration of the filter belt 5, the entrapped matter is stirred to a certain extent, further increasing the drying effect.

The air inlet end of the blowing pipe 9 is arranged outside the sealed pressurized chamber 1 and is connected with a hot air blower, which is driven to generate hot air at a certain temperature and speed. The temperature of the hot air blown out is not lower than 70 degrees, and the wind speed Not less than 4m/s.

Although the embodiment of the present utility model has been disclosed as above, it is not limited to the use listed in the description and the implementation, and it can be applied to various fields suitable for the present utility model. For those familiar with the art, Further modifications can be readily effected, so the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (9)

1., for a high-efficiency and continuous filter for steel rolling Treatment of Sludge, it is characterized in that, comprising:

Sealing pressing storehouse, it is an airtight hollow vessel, and described sealing pressing storehouse outer wall is provided with air inlet pipe and feed pipe;

Filter chamber, it is inner that it is arranged at described sealing pressing storehouse, described filter chamber comprises driving wheel and filter bag, wherein said driving wheel is arranged at the two ends of described filter chamber, described filter bag is around in described driving wheel periphery and forms filtration connecting gear, described filter bag is connected with multiple vibration pump and is driven by it and shakes, and wherein has at least a vibration pump to be arranged at the top of filtering connecting gear;

In addition, bottom described sealing pressing storehouse, the position corresponded to below described filter chamber is provided with rinse bath, at least two separate space are set to by dividing plate in described rinse bath, the pipeline of connection is respectively arranged with between adjacent separate space, described pipeline is connected with water pump, and by water pump driving, the water in described adjacent separate space being shifted by the conveying of pipeline, the two ends of described dividing plate and rinse bath are respectively arranged with the gap for making filter bag pass through; Described rinse bath internal fixtion has the cleaning device for scrubbing filter bag.

2., as claimed in claim 1 for the high-efficiency and continuous filter of steel rolling Treatment of Sludge, it is characterized in that having at least a described vibration pump to be arranged at the bottom of described filtration connecting gear, or be arranged in described rinse bath;

In addition, be also provided with the discharging tube for being discharged by water for cleaning in described rinse bath, the delivery port of described discharging tube is arranged at outside, described sealing pressing storehouse.

3., as claimed in claim 1 for the high-efficiency and continuous filter of steel rolling Treatment of Sludge, it is characterized in that, described cleaning device is rearranged in rinse bath in turn by Duo Zu cylindrical cleaning mechanism.

4. as claimed in claim 3 for the high-efficiency and continuous filter of steel rolling Treatment of Sludge, it is characterized in that, described cylindrical cleaning mechanism comprises rotating shaft and cleaning brush, the two ends of described rotating shaft are flexibly connected with the inwall of rinse bath both sides respectively, described cleaning brush is radially surrounded on the periphery of rotating shaft and forms the cylindrical cleaning mechanism with certain radius of gyration, and the radius of gyration of described cylindrical cleaning mechanism can arrive at filter bag with the outer rim of cylindrical cleaning mechanism and be as the criterion.

5. as claimed in claim 4 for the high-efficiency and continuous filter of steel rolling Treatment of Sludge, it is characterized in that, the two ends of described rotating shaft and the movable connection method of rinse bath both sides inwall are, described rinse bath both sides inwall corresponds to rotating shaft end positions place and is provided with the rolling disc with zigzag outer rim, the center of described rolling disc is provided with non-circular aperture, and the two ends of described rotating shaft are set to the specification corresponding with this non-circular aperture and are flexibly connected with described rolling disc in the mode embedded in this non-circular aperture; Described rolling disc is flexibly connected with rinse bath both sides inwall by hinge.

6. as claimed in claim 5 for the high-efficiency and continuous filter of steel rolling Treatment of Sludge, it is characterized in that, described rinse bath both sides inwall and described rolling disc zigzag outer fringe position corresponding position be provided with can carry out translation and the chain fastened with the sawtooth of rolling disc zigzag outer rim.

7., as claimed in claim 6 for the high-efficiency and continuous filter of steel rolling Treatment of Sludge, it is characterized in that, described chain is connected with motor and is moved by driven by motor.

8. the high-efficiency and continuous filter for steel rolling Treatment of Sludge as described in claim 2 or 7, it is characterized in that, described filter chamber also comprises a scraper plate, and described scraper plate is arranged at one end of described filter chamber and supports mutually with described filter bag;

In addition, the side of described filter chamber is provided with out filtrate line, described in go out filtrate line through described sealing pressing storehouse outer wall and ft connection; Inside, described sealing pressing storehouse is also provided with material outgoing line, the first end of described material outgoing line is arranged at the bottom of described filter chamber and the position corresponding with two ends of described scraper plate, the second end of described material outgoing line through described sealing pressing storehouse outer wall and with described sealing pressing storehouse ft connection.

9. as claimed in claim 1 for the high-efficiency and continuous filter of steel rolling Treatment of Sludge, it is characterized in that, inside, described sealing pressing storehouse is also provided with gas blow pipe, the openend of described gas blow pipe is arranged at the top of described filter bag, the openend of described gas blow pipe is set to flat, and the width of openend is corresponding with the width of described filter bag, be provided with 30-75 degree angle between the opening direction of described gas blow pipe and filter bag, and the transmission direction of opening direction and filter bag is oppositely arranged;

Described gas blow pipe is provided with multiple openend by dispensing head, and described multiple openend is distributed in the top of filter bag in turn along filter bag.