CN211885565U - Plate-frame filter press and dilute glue recovery system - Google Patents

Abstract

The utility model discloses a plate-frame filter press and a dilute glue water recovery system; the plate-and-frame filter press comprises a main beam, a tail plate, a head plate, a hydraulic system, a plurality of filter plates and filter frames, wherein filter cloth is arranged between each filter plate and each filter frame, holes are formed in the filter frames and the corners of the filter plates, and a complete filtrate channel is formed after the filter frames and the filter plates are assembled; the filter plates and the filter frames are supported on the main beam through handles, and the tail plates and the head plates are respectively positioned on two sides of a filter chamber formed by the filter plates and the filter frames which are alternately arranged. The thin glue water recovery system comprises a thin glue water tank, a tank type filter press, a preseparator, a disc centrifuge and two sets of plate and frame filter presses; the thin glue water tank is connected with the tank type filter press through a pipeline, the tank type filter press is connected with the preseparator through a pipeline, the preseparator is connected with the disc centrifuge through a pipeline, and the disc centrifuge is respectively connected with the two sets of plate frame filter presses in parallel through pipelines. The utility model discloses be favorable to popularizing and applying.

Description

Plate-frame filter press and dilute glue recovery system

Technical Field

The utility model relates to a thin glue water filters technical field, especially relates to a plate and frame pressure filter and thin glue water recovery system.

Background

The viscose fiber is prepared by taking renewable resource cellulose rich in nature as a raw material and performing cooking extraction, yellowing dissolution and spinning on plants. The viscose fiber has the advantages of good hygroscopicity, wearing comfort, good air permeability and the like, and can also be biodegraded. Along with the improvement of social progress and living standard, the requirement of people on the comfort level of textiles is improved, the environmental awareness is enhanced, and the market of viscose fiber is more and more extensive.

In the viscose fiber preparation process, an indispensable process is to filter the yellowed viscose, the waste glue generated by filtering is usually diluted into dilute glue, the impurities in the waste glue are still in the dilute glue, the impurities need to be separated out for recycling, a horizontal self-backwashing filter is usually adopted for convenience and is recycled to a system after being filtered, the horizontal self-backwashing filter is large in waste water amount generated by cleaning and contains cellulose and sodium hydroxide, if the waste water is directly discharged, great waste is generated on raw materials, and the load is also increased on a sewage treatment workshop; and a plate-and-frame filter press is also adopted, but the traditional plate-and-frame filter press has low filtration efficiency, short service life of filter cloth and poor sealing performance and leaks glue.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plate and frame pressure filter and thin glue water recovery system to solve the not enough of correlation technique.

In order to solve the relevant problem, the utility model adopts the following technical scheme:

a plate-frame filter press comprises a main beam, a tail plate, a head plate, a hydraulic system and a plurality of filter plates and filter frames which are alternately arranged, wherein filter cloth is arranged between each filter plate and each filter frame, holes are formed in the filter frames and the corners of the filter plates, and a complete filtrate channel is formed after the filter frames and the filter plates are assembled; the filter plates and the filter frames are supported on the main beam through handles, and the tail plates and the head plates are respectively positioned on two sides of a filter chamber formed by the filter plates and the filter frames which are alternately arranged.

As a further description of the above technical solution: the filter cloth is reinforced polypropylene felt filter cloth.

As a further description of the above technical solution: and two ends of the main beam are provided with support frames so as to support the whole plate-and-frame filter press.

As a further description of the above technical solution: the head plate is provided with a gasket on the main beam, and the gasket is a semi-annular spherical pad.

As a further description of the above technical solution: the hydraulic system comprises an oil overflow pipe, a safety oil overflow valve, an oil inlet and an oil return port.

As a further description of the above technical solution: the lower part and the upper part of the tail plate are respectively provided with a viscose inlet and a viscose outlet.

As a further description of the above technical solution: the viscose export is equipped with discharge valve, need carry out the exhaust before the operation.

A thin glue water recovery system comprises a thin glue water tank, a tank filter press, a preseparator, a disk centrifuge and two sets of plate-and-frame filter presses; the thin glue water tank is connected with the tank type filter press through a pipeline, the tank type filter press is connected with the preseparator through a pipeline, the preseparator is connected with the disc centrifuge through a pipeline, and the disc centrifuge is respectively connected with the two sets of plate frame filter presses in parallel through pipelines.

As a further description of the above technical solution: the bottom of the plate-and-frame filter press is provided with a collecting tank, and the collecting tank is connected with the disc centrifuge through a recovery pump.

The utility model discloses following beneficial effect has:

(1) the utility model discloses a two sets of plate and frame filter presses are parallelly connected, can freely switch the connected mode, make wash and change the filter cloth and possess the condition to do not produce any influence to the system flow of gluing.

(2) An exhaust valve is arranged at the outlet of the viscose, and an exhaust process is required before the viscose is put into use, so that the damage of high-pressure cavitation on the plate frame and the pipeline during filtering is reduced.

(3) The plate-frame filter press is compressed by a hydraulic system, and is precise and free of liquid leakage.

(4) Set up the collecting vat in this plate frame filter press bottom, squeeze into last level filtration system through the thin glue of recovery pump with collecting, and then realize the "zero" of thin glue and discharge.

Drawings

Fig. 1 is a schematic structural view of a plate-and-frame filter press provided by the present invention;

FIG. 2 is a schematic diagram of a hydraulic system;

fig. 3 is a schematic structural diagram of the dilute glue recovery system provided by the present invention.

In the figure: 1-tail plate, 2-filter frame, 3-filter plate, 4-main beam, 5-head plate, 6-gasket, 8-hydraulic system, 9-support frame, 10-viscose outlet, 11-viscose inlet, 81-oil overflow pipe, 84-safety oil overflow valve, 82-oil inlet, 83-oil return port, 101-thin glue water tank, 102-tank type filter press, 103-preseparator, 104-disk type centrifuge and 105-plate frame type filter press.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a plate and frame filter press 105 includes a main beam 4, a tail plate 1, a head plate 5, a hydraulic system 8, and a plurality of filter plates 3 and filter frames 2 arranged alternately, wherein filter cloth is disposed between the filter plates 3 and the filter frames 2, and holes are disposed on corners of the filter frames 2 and the filter plates 3, and assembled to form a complete filtrate channel; the filter plates 3 and the filter frames 2 are supported on the main beam 4 through handles, and the tail plates 1 and the head plates 5 are respectively positioned at two sides of a filter chamber formed by alternately arranging the filter plates 3 and the filter frames 2. Filtrate passes through the filter cloth and is led to a plate frame filtrate channel along the filter plate groove, and is intensively discharged to a collecting device after being filtered; when the pressure exceeds a certain value, the filter cloth is unpicked, slag is discharged, the filter cloth is cleaned, water for cleaning the filter cloth is collected to a dilute glue bucket and then filtered, and therefore zero discharge of the dilute glue is achieved. This plate and frame filter press 105 adopts the undercurrent mode, avoids CS2 in the thin glue to spill over, improves site environment, is of value to staff healthy.

In some embodiments, the filter cloth is a reinforced polypropylene felt filter cloth; the two ends of the main beam 4 are provided with support frames 9 so as to support the whole plate-and-frame filter press 105.

In some embodiments, a gasket 6 is disposed on the main beam 4 at the head plate 5, and the gasket 6 is a semi-annular spherical pad.

In some embodiments, the hydraulic system 8 includes an oil spill pipe 81, a relief oil spill valve 84, an oil inlet 82, and an oil return 83.

In some embodiments, the lower part and the upper part of the tailgate 1 are provided with an adhesive inlet 11 and an adhesive outlet 10, respectively.

In some embodiments, the glue outlet 10 is provided with a venting valve, which is required before operation.

As shown in fig. 3, a dilute glue recovery system comprises a dilute glue tank 101, a tank filter press 102, a preseparator 103, a disk centrifuge 104 and two sets of the plate and frame filter presses 105; the thin glue water tank 101 is connected with the tank filter press 102 through a pipeline, the tank filter press 102 is connected with the preseparator 103 through a pipeline, the preseparator 103 is connected with the disk centrifuge 104 through a pipeline, and the disk centrifuge 104 is respectively connected with the two sets of plate and frame filter presses 105 in parallel through pipelines.

The thin glue is passed through a tank filter press 102 to remove larger particles and hard blocks, then passed through a preseparator 103 to settle hemicellulose and other suspended impurities, and passed through a disk centrifuge 104 to remove them, and the filtrate is filtered through a plate-and-frame filter press 105 to obtain recyclable thin glue with high transparency and less impurities.

In some embodiments, the plate and frame filter press 105 has a collection tank at the bottom, and the collection tank is connected to the disk centrifuge 104 via a recovery pump.

The utility model discloses following beneficial effect has:

(1) the utility model discloses a two sets of plate and frame filter presses 105 connect in parallel, can freely switch the connected mode, make wash and change the filter cloth and possess the condition to do not produce any influence to the system flow of gluing.

(2) An exhaust valve is arranged at the viscose outlet 10, and an exhaust process is required before the viscose outlet is put into use, so that the damage of high-pressure cavitation on a plate frame and a pipeline during filtering is reduced.

(3) The plate-and-frame filter press 105 is compressed by the hydraulic system 8 and is precise and free from liquid leakage.

(4) The collecting tank is arranged at the bottom of the plate-frame filter press 105, and the collected dilute glue is pumped into the upper-stage filtering system through the recovery pump, so that zero discharge of the dilute glue is realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (9)

1. A plate and frame filter press is characterized in that: the filter comprises a main beam, a tail plate, a head plate, a hydraulic system and a plurality of filter plates and filter frames which are alternately arranged, wherein filter cloth is arranged between each filter plate and each filter frame, holes are formed in the filter frames and the corners of the filter plates, and a complete filtrate channel is formed after the filter frames and the filter plates are assembled; the filter plates and the filter frames are supported on the main beam through handles, and the tail plates and the head plates are respectively positioned on two sides of a filter chamber formed by the filter plates and the filter frames which are alternately arranged.

2. A plate and frame filter press according to claim 1, wherein: the filter cloth is reinforced polypropylene felt filter cloth.

3. A plate and frame filter press according to claim 1, wherein: and two ends of the main beam are provided with support frames.

4. A plate and frame filter press according to claim 1, wherein: the head plate is provided with a gasket on the main beam, and the gasket is a semi-annular spherical pad.

5. A plate and frame filter press according to claim 1, wherein: the hydraulic system comprises an oil overflow pipe, a safety oil overflow valve, an oil inlet and an oil return port.

6. A plate and frame filter press according to claim 1, wherein: the lower part and the upper part of the tail plate are respectively provided with a viscose inlet and a viscose outlet.

7. A plate and frame filter press according to claim 1, wherein: the viscose export is equipped with discharge valve, need carry out the exhaust before the operation.

8. The utility model provides a thin glue recovery system which characterized in that: comprising a dilute glue tank, a tank filter press, a preseparator, a disk centrifuge and two sets of plate and frame filter presses according to any one of claims 1 to 7; the thin glue water tank is connected with the tank type filter press through a pipeline, the tank type filter press is connected with the preseparator through a pipeline, the preseparator is connected with the disc centrifuge through a pipeline, and the disc centrifuge is respectively connected with the two sets of plate frame filter presses in parallel through pipelines.

9. A plate and frame filter press according to claim 8 wherein: the bottom of the plate-and-frame filter press is provided with a collecting tank, and the collecting tank is connected with the disc centrifuge through a recovery pump.

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