CN218221433U - White water filter for papermaking process - Google Patents

Abstract

The utility model discloses a plain boiled water filter for among papermaking technology, this plain boiled water filter aim at solving present plain boiled water terminal filtration equipment and take place to block up because a large amount of thick liquids easily, are difficult to the technical problem of clearance. The white water filter comprises a filter shell, an inner cavity which is arranged at the inner side of the filter shell and provided with an opening at the upper part, a treatment chamber which is arranged at the inner side of the inner cavity, and a screw rod which is movably connected with the middle of the upper end of the treatment chamber. This plain boiled water filter adopts the vertical processing chamber of pulling up in the filter housing can easily take out the paper pulp impurity in the plain boiled water that causes the filter jam, also makes things convenient for other filtering materials such as active carbon in the filter to supply and change, need not disassemble the clearance with it for traditional filter structure, and the filter is whole to be difficult to take place to damage because of disassembling, maintains effectually, and the convenient change of form of each assembly part inter assembly of filter, and the rate of reuse is high.

Description

White water filter for papermaking process

Technical Field

The utility model belongs to the water treatment facilities field, concretely relates to plain boiled water filter for among the papermaking technology.

Background

Papermaking technology generally comprises the main steps of pulping, preparing, papermaking and the like. Among them, in the preparation process, there are used more and more mechanical pulps manufactured by mechanical pulping and recovered pulps recovered from, for example, stations such as a fiber recovery section, among others, regenerated pulps derived from recovered waste paper, and hydrophobic substances in papermaking white water are mainly composed of these pulps.

The water content of the white water is larger, but the organic pollution load of the white water is far lower than that of the black liquor and the middle-stage wastewater. Almost all paper making workshops of paper making factories adopt a partially or fully closed system to reduce water consumption of paper making, save power consumption, improve the reuse rate of white water and reduce discharge of redundant white water. The utility model relates to a papermaking plain boiled water treatment tank of china's utility model, the jar body upper portion is equipped with the overflow launder, and jar body bottom is the back taper to set up the discharge gate in the bottom, the central inlet tube is established at jar internal center, and central inlet tube outer end links to each other with the outer tube of intaking, and top-down extends jar body bottom, can keep the cleanliness of interior plain boiled water of tower, reaches jar body and exempts from the mesh of cleaning, and papermaking plain boiled water reuse rate is high, the energy consumption is low. The patent document mainly adopts a water treatment structure to enhance the recovery rate of white water, but no specific and effective design method is provided for the terminal filtering equipment of the white water, the terminal filtering device of the white water is very easy to block due to a large amount of slurry, the cleaning is difficult, the equipment needs to be opened regularly to clean the interior of the equipment, and the sewage carrying the slurry after cleaning is discharged into a city pipe network to pollute the city water environment.

Consequently, to the easy jam of above-mentioned plain boiled water terminal filtration equipment, the condition of difficult clearance, develop a novel plain boiled water filter, utilize the interior promotion formula's of filter cavity structures, can clear up the thick liquids of jam fast, avoid adopting a large amount of clear water flushing device, improve energy-concerving and environment-protective performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the prior art that the blockage of the conventional white water terminal filtering equipment is easy to happen due to a large amount of sizing agent and the cleaning is not easy.

In order to solve the technical problem, the utility model provides such plain boiled water filter for among papermaking technology which comprises a filter housing, set up in filter housing inboard top open-ended inner chamber, install in the inboard treatment chamber of inner chamber swing joint has the lead screw in the middle of the treatment chamber upper end, filter housing upper end bilateral symmetry is connected with the pterygoid lamina, fixed mounting has U type portal between the pterygoid lamina upper end, the silk hole has been seted up in the middle of the portal upper end, lead screw threaded connection in silk hole inboard, lead screw upper end fixedly connected with wrench, wrench set up in the portal top.

When the technical scheme is used, the user manually twists the handle to enable the screw rod to spirally rise along the screw hole, so that the treatment chamber is lifted from the inner cavity until the cleaning opening is completely exposed, the sealing plate is separated from the cleaning opening under the elastic thrust of the spring, and paper pulp impurities in the treatment chamber are removed and the filtering material is replaced through the cleaning opening.

Preferably, both ends are provided with the interface channel who is used for connecting water drainage pipe spare around the filter casing, the filter screen is installed to the interface channel inboard. The white water is guided into the connecting channel by a drainage pipeline of the paper mill and is discharged from the connecting channel at the other end, and the particles in the water are trapped by a filter screen.

Preferably, vertical limiting grooves are symmetrically formed in the left end and the right end of the inner cavity, vertical limiting strips are symmetrically arranged at the left end and the right end of the treatment chamber, and the limiting strips are arranged on the inner sides of the limiting grooves. The processing chamber guarantees the stability of self through the vertical removal of spacing in the spacing groove, carries the in-process that draws and can not take place relative rotation vertically.

Preferably, the front end and the rear end of the treatment chamber are provided with cleaning ports, the cleaning ports and the connecting channel are positioned on the same straight line, and sealing plates are arranged on the inner sides of the cleaning ports. The sealing plate has a plugging effect on the cleaning opening, and the filtering material and the paper pulp impurities in the processing chamber are prevented from falling into the inner cavity.

Preferably, rubber layers for sealing are arranged on the outer sides of the processing chamber and the sealing plate. When the treatment chamber is arranged in the inner cavity, the rubber layer is closely attached to the inner wall of the inner cavity, the sealing performance of the structure is enhanced, and water seepage from the inner cavity to the outside is avoided.

Preferably, through-flow holes are uniformly distributed on the inner side of the sealing plate and communicated with the connecting channel. The sewage entering the treatment chamber removes impurities and then flows out of the through-flow hole to directly enter the connecting channel.

Preferably, a stand column is installed in the middle of the treatment chamber, sleeves are fixedly installed at the front end and the rear end of the stand column, a telescopic rod is fixedly connected to one opposite side of the sealing plate, and the telescopic rod is arranged on the inner side of the sleeve. The sealing plate can open or close the cleaning opening through the horizontal movement of the telescopic rod in the sleeve.

Preferably, a horizontally telescopic spring is fixedly connected between the inner side of the sleeve and the telescopic rod. The spring has the outward elastic extension effect, and the supporting sealing plate is automatically separated from the cleaning opening, so that the inside of the processing chamber can be conveniently and directly cleaned.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a white water filter for among papermaking process, the processing chamber that adopts vertical pulling in the filter housing can easily take out the paper pulp impurity in the white water that causes the filter jam, also conveniently supply and change other filtering materials such as the active carbon in the filter, do not need to disassemble it and clear up for traditional filter structure, can avoid using a large amount of clear water flushing equipment from this, the emission of sewage is once more reduced for the flushing equipment, not only save the water resource, and reduced the pollution to the water environment, the whole long service life of filter, can not damage because of frequent disassembling, be convenient for later maintenance and use, the form of each assembly part of filter equipment each other equipment is convenient to be changed, the reuse rate is high, energy-saving performance is better; the paper pulp impurities filtered from the white water can be made into various types of paper again after being treated by a series of circulating processes, so that the recycling of the paper is realized, the purchase raw material cost is saved, the sewage amount generated by paper production in a paper mill is reduced, and the environment protection is facilitated.

Drawings

Fig. 1 is a schematic view of an assembly structure of a white water filter for use in a papermaking process according to an embodiment of the present invention;

fig. 2 is a schematic view of another assembly structure of a white water filter according to an embodiment of the present invention used in a papermaking process;

fig. 3 is a schematic view of a filter housing according to an embodiment of the white water filter used in a papermaking process of the present invention;

fig. 4 is a schematic view of a treatment chamber of a white water filter embodiment of the present invention used in a papermaking process;

fig. 5 is a schematic structural view of a sealing plate of a white water filter according to an embodiment of the present invention.

The symbols in the drawings are: 1. a filter housing; 2. an inner cavity; 3. a wing plate; 4. a gantry; 5. a processing chamber; 6. a screw rod; 7. a silk hole; 8. screwing a hand; 9. a connecting channel; 10. filtering with a screen; 11. a limiting groove; 12. a limiting strip; 13. cleaning the mouth; 14. a sealing plate; 15. a rubber layer; 16. a through-flow aperture; 17. a column; 18. a sleeve; 19. a telescopic rod; 20. a spring.

Detailed Description

The embodiment of the invention is a white water filter used in a papermaking process, and the assembly structure schematic diagram of the white water filter is shown in fig. 1, the assembly structure schematic diagram of the other state is shown in fig. 2, the structure schematic diagram of a filter housing 1 is shown in fig. 3, the structure schematic diagram of a treatment chamber 5 is shown in fig. 4, and the structure schematic diagram of a sealing plate 14 is shown in fig. 5, the white water filter comprises a filter housing 1, an upper-opening inner chamber 2 arranged inside the filter housing 1, a treatment chamber 5 arranged inside the inner chamber 2, and a screw rod 6 movably connected to the middle of the upper end of the treatment chamber 5, the upper end of the filter housing 1 is bilaterally and symmetrically connected with wing plates 3, a U-shaped gantry 4 is fixedly arranged between the upper ends of the wing plates 3, a screw hole 7 is arranged in the middle of the upper end of the gantry 4, the screw rod 6 is in threaded connection with the inner side of the screw hole 7, a screwing handle 8 is fixedly connected to the upper end of the screw rod 6, and the screwing handle 8 is arranged above the gantry 4.

In the present embodiment, the drainage pipe of the paper mill is connected to the connection channel 9, the sewage enters the treatment chamber 5 through the connection channel 9 and the cleaning port 13, the impurities are adsorbed by the filter material inside, and the purified water is discharged from the cleaning port 13 on the other side and the connection channel 9 on the other side.

Wherein, both ends are provided with the interface channel 9 that is used for connecting water drainage pipe spare around the filter casing 1, and filter screen 10 is installed to interface channel 9 inboard, and vertical spacing groove 11 has been seted up to 2 left and right ends symmetries of inner chamber, and 5 left and right ends symmetries of process chamber are installed vertical spacing 12, and spacing 12 sets up in spacing groove 11 inboardly. The drainage pipeline of the paper mill guides the white water into the connecting channel 9 and discharges the white water from the connecting channel 9 at the other end, the filter screen 10 is utilized to intercept the particles in the water, the treatment chamber 5 ensures the stability of the treatment chamber through the vertical movement of the limiting strip 12 in the limiting groove 11, and the relative rotation cannot occur in the vertical lifting process.

Meanwhile, cleaning ports 13 are formed in the front end and the rear end of the treatment chamber 5, the cleaning ports 13 and the connecting channel 9 are located on the same straight line, a sealing plate 14 is arranged on the inner side of each cleaning port 13, rubber layers 15 used for sealing are arranged on the outer side of the treatment chamber 5 and the outer side of the sealing plate 14, through holes 16 are uniformly distributed in the inner side of the sealing plate 14, and the through holes 16 are communicated with the connecting channel 9. The sealing plate 14 plays a role in blocking the cleaning opening 13, so that the filtering material and the pulp impurities in the treatment chamber 5 are prevented from falling into the inner cavity 2, when the treatment chamber 5 is positioned in the inner cavity 2, the rubber layer 15 is closely attached to the inner wall of the inner cavity 2, the sealing performance of the structure is enhanced, the water seepage from the inner cavity 2 to the outside is avoided, and the sewage entering the treatment chamber 5 is removed with the impurities and then flows out of the through-flow hole 16 to directly enter the connecting channel 9.

In addition, a vertical column 17 is installed in the middle of the treatment chamber 5, sleeves 18 are fixedly installed at the front and rear ends of the vertical column 17, an expansion link 19 is fixedly connected to one side of the sealing plate 14 opposite to the side, the expansion link 19 is arranged inside the sleeve 18, and a horizontally expanding and contracting spring 20 is fixedly connected between the inside of the sleeve 18 and the expansion link 19. The sealing plate 14 can open or close the cleaning opening 13 through the horizontal movement of the telescopic rod 19 in the sleeve 18, and the spring 20 has an outward elastic extension effect, so that the sealing plate 14 is supported to automatically separate from the cleaning opening 13, and the inside of the processing chamber 5 can be directly cleaned conveniently.

When the white water filter used in the papermaking process is used, a user connects a drainage pipe with the connecting channel 9, sewage sequentially passes through the connecting channel 9 and the cleaning port 13 to enter the inside of the treatment chamber 5, impurities in the sewage are adsorbed by the filtering material, purified water is discharged from the cleaning port 13 and the connecting channel 9 on the other side, the fiber content in the water is greatly reduced, the pollution to the environment of a city is reduced, then the user manually screws the screw 8 to enable the screw rod 6 to spirally rise along the screw hole 7 to enable the treatment chamber 5 to be lifted from the inner cavity 2 until the cleaning port 13 is completely exposed, the sealing plate 14 is automatically separated from the cleaning port 13 under the elastic thrust of the spring 20, the user removes paper pulp impurities in the treatment chamber 5 through the cleaning port 13 and replaces the filtering material, after maintenance is completed, the sealing plate 14 is pressed into the cleaning port 13 again, the screw 8 is screwed to press the treatment chamber 5 into the inner cavity 2, and the filter is continuously used.

Claims (8)

1. A white water filter used in a papermaking process comprises a filter shell, an inner cavity which is arranged at the inner side of the filter shell and provided with an opening at the upper part, a treatment chamber which is arranged at the inner side of the inner cavity, and a screw rod which is movably connected with the middle of the upper end of the treatment chamber; the filter shell is characterized in that wing plates are symmetrically connected to the left and right of the upper end of the filter shell, a U-shaped gantry is fixedly mounted between the upper ends of the wing plates, a screw hole is formed in the middle of the upper end of the gantry, the screw rod is in threaded connection with the inner side of the screw hole, and a wrench is fixedly connected to the upper end of the screw rod and arranged above the gantry.

2. The white water filter for use in a papermaking process according to claim 1, wherein the filter housing is provided at both front and rear ends thereof with connection passages for connection of drain pipes, the inside of the connection passages being provided with screens.

3. The white water filter used in the papermaking process according to claim 1, wherein vertical limiting grooves are symmetrically formed at the left end and the right end of the inner cavity, vertical limiting strips are symmetrically mounted at the left end and the right end of the treatment chamber, and the limiting strips are arranged inside the limiting grooves.

4. The white water filter used in a papermaking process according to claim 2, wherein cleaning ports are formed at front and rear ends of the processing chamber, the cleaning ports and the connecting passage are in the same line, and sealing plates are disposed inside the cleaning ports.

5. The white water filter used in a papermaking process according to claim 4, wherein a rubber layer for sealing is provided outside the process chamber and outside the sealing plate.

6. The white water filter used in a papermaking process according to claim 4, wherein the sealing plate has through-flow holes uniformly distributed therein, the through-flow holes being communicated with the connecting passage.

7. The white water filter for papermaking process according to claim 4, wherein a column is installed in the middle of the processing chamber, sleeves are fixedly installed at the front and rear ends of the column, an expansion link is fixedly connected to one side of the sealing plate opposite to the sleeve, and the expansion link is arranged inside the sleeve.

8. The white water filter used in the paper making process according to claim 7, wherein a horizontally extending and contracting spring is fixedly connected between the inner side of the sleeve and the telescopic rod.

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