CN216259500U

CN216259500U - Filter cartridge and fiber recovery device comprising same

Info

Publication number: CN216259500U
Application number: CN202122908963.XU
Authority: CN
Inventors: 易兴奇; 何春体; 支宇航; 杨兴; 张尧; 张毅; 张勤
Original assignee: North Chemical Industry Co ltd
Current assignee: North Chemical Industry Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-12
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to a filter cartridge and a fiber recovery device comprising the same, and belongs to the field of nitrocotton manufacturing. The cartridge filter, including skeleton and winding portion, the winding portion is the annular, is formed with accommodation space in the skeleton, and accommodation space all is equipped with the opening along the ascending both ends of skeleton length direction, and the winding portion sets up in accommodation space, and one side fixed connection that winding portion and skeleton are close to accommodation space, and the winding portion sets up a plurality of along the length direction interval of skeleton. The filter cartridge of the device is welded in the framework by adopting the triangular wire, the triangular wire is not easy to damage, and in the scheme, the distance between every two winding parts is 0.15-0.2 mm, so that a better filtering effect can be obtained.

Description

Filter cartridge and fiber recovery device comprising same

Technical Field

The utility model relates to a filter cartridge and a fiber recovery device comprising the same, and belongs to the field of nitrocotton manufacturing.

Background

Nitrocotton manufacturing will go through the boiling and washing process, and the waste acid nature aquatic that the boiling and washing bucket of this process discharged contains a large amount of fibre, retrieves through fibre recovery unit.

The filter cylinder of the fibril filter device is made of a stainless steel orifice plate with the diameter of phi 3mm, a 316L wire mesh with the gap of 0.68mm is lined, the filtering aperture of the wire mesh is larger, and nitrocotton is easy to block the 316L stainless steel wire mesh, so that the filtering effect is poor, a large amount of nitrocotton enters a waste acid storage system, the nitrocotton and the waste acid are not beneficial to recycling, and the nitrocotton is easy to decompose when entering the waste acid storage system, so that the potential safety hazard and the potential environmental protection hazard are generated; and orifice plate and silk screen often damage, and the silk screen that damages gets into waste acid storage system, causes the quality accident easily.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the filter cartridge has a good filtering effect and is not easy to damage.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the cartridge filter, including skeleton and winding portion, the skeleton forms the filtration pore with the combination of winding portion, and winding portion is the annular, is formed with accommodation space in the skeleton, and accommodation space all is equipped with the opening along the ascending both ends of skeleton length direction, and winding portion sets up in accommodation space, and winding portion and skeleton are close to one side fixed connection of accommodation space, and the length direction interval of winding portion along the skeleton sets up a plurality of.

Further, the skeleton includes supporting part and first flange, and the supporting part is rectangular shape member, and the supporting part setting is at the tip of first flange, and the axis of supporting part is perpendicular with the tip of first flange, and the supporting part sets up a plurality of along the circumference of first flange, and the supporting part is around forming accommodation space, winding portion and one side fixed connection that the supporting part is close to accommodation space.

Furthermore, the winding part is a triangular wire, and any angle of the triangular wire is fixedly connected with the framework.

Furthermore, the distance between every two winding parts is 0.15 mm-0.2 mm.

Further, the inner peripheral surface of the winding portion is provided with a protrusion in a spiral shape.

Fiber recovery unit, including the collecting tank, the bottom of collecting tank is provided with the liquid outlet, still include the cartridge filter, the cartridge filter is located the collecting tank or is located the collecting tank top, still include a plurality of gyro wheel framves, the gyro wheel frame is the rectangular distribution, still be provided with the gyro wheel on every gyro wheel frame, the axis of each gyro wheel is parallel, the cartridge filter sets up on the gyro wheel, still be provided with the shape on the outer peripheral face of the skeleton of cartridge filter and be annular roll table, the position that sets up of roll table suits with the position that sets up of gyro wheel, still include the inlet pipe and be used for driving cartridge filter pivoted drive arrangement, drive arrangement is connected with the skeleton transmission, in the cartridge filter is located to the one end of inlet pipe, the other end is used for the input material.

Furthermore, the output end of the driving device is connected with a first gear, the first gear is meshed with a second gear, the second gear is fixedly connected with the framework, and the second gear is a hollow gear.

Further, the feed pipe is located on the same side as the driving device, and the second gear is also used for penetrating through the feed pipe.

Further, the one end that the inlet pipe is arranged in the cartridge filter is fixedly connected with buffering portion, the inside cavity that is provided with of buffering portion, inlet pipe and cavity intercommunication, the inlet pipe sets up in the bottom of buffering portion, has still seted up the opening on the periphery of buffering portion, and the opening is located the top of inlet pipe.

Furthermore, the number of the filter cartridges is a plurality, two adjacent filter cartridges are connected through flanges, the driving device is in transmission connection with the framework of any one of the filter cartridges positioned at two ends, the spiral protrusions on the inner circumferential surfaces of the winding parts are matched in shape, and the spiral protrusions on the inner circumferential surfaces of the winding parts are combined to form a spiral shape.

The utility model has the beneficial effects that:

1. the filter cartridge of the device is welded in the framework by adopting the triangular wire, the triangular wire is not easy to damage, and in the scheme, the distance between every two winding parts is 0.15-0.2 mm, so that a better filtering effect can be obtained.

2. According to the device, after waste acid enters the filter cylinder, due to the fact that the spirally-distributed bulges are arranged in the filter cylinder, the nitrocotton slides along the winding direction of the bulges under the action of gravity and is pushed to the opening at the end, away from the feeding pipe, of the filter cylinder, when the device is used, the collecting barrel can be placed below the opening and used for collecting the nitrocotton, the discharging mode of randomly leading out the nitrocotton is changed, and the nitrocotton leading-out efficiency is high.

Drawings

FIG. 1 is a front view of a filter cartridge of the present invention;

FIG. 2 is a side view of the filter cartridge of the present invention;

FIG. 3 is a schematic view showing the construction of the fiber recovering apparatus according to the present invention;

FIG. 4 is a side view of the fiber recovery apparatus of the present invention;

FIG. 5 is a front view of the cushioning portion of the present invention;

fig. 6 is a side view of the cushioning portion of the present invention.

Labeled as: 1 is a liquid collecting groove, 12 is a liquid outlet, 3 is a filter cylinder, 32 is a winding part, 34 is a framework, 342 is a supporting part, 344 is a first flange, 4 is a bulge, 5 is a feeding pipe, 6 is a buffering part, 62 is a notch, 72 is a roller frame, 74 is a roller, 8 is a roller way, and 9 is a driving device.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 6, the filter cartridge of the present invention includes a framework 34 and a winding portion 32, the framework 34 and the winding portion 32 are combined to form a filter hole, the winding portion 32 is annular, an accommodating space is formed in the framework 34, openings are formed at two ends of the accommodating space along the length direction of the framework 34, the winding portion 32 is disposed in the accommodating space, the winding portion 32 and the framework 34 are fixedly connected at one side close to the accommodating space, and a plurality of winding portions 32 are disposed at intervals along the length direction of the framework 34.

Preferably, the framework 34 includes a support portion 342 and a first flange 344, the support portion 342 is an elongated rod, the support portion 342 is disposed at an end of the first flange 344, an axis of the support portion 342 is perpendicular to the end of the first flange 344, and the support portions 342 are disposed several times along a circumference of the first flange 344, the support portions 342 form an accommodating space around them, and the winding portion 32 is fixedly connected to one side of the support portion 342 close to the accommodating space.

Preferably, the winding portion 32 is a triangular wire, and any one corner of the triangular wire is fixedly connected with the framework 34.

Preferably, the distance between every two winding portions 32 is 0.15mm to 0.2 mm.

Preferably, the inner circumferential surface of the winding portion 32 is provided with a protrusion 4 having a spiral shape.

Fiber recovery unit, including the catch basin 1, the bottom of catch basin 1 is provided with liquid outlet 12, still include cartridge filter 3, cartridge filter 3 is located in catch basin 1 or is located the catch basin 1 top, still include a plurality of roller frames 72, roller frame 72 is the rectangular distribution, still be provided with gyro wheel 74 on every roller frame 72, the axis of each gyro wheel 74 is parallel, cartridge filter 3 sets up on gyro wheel 74, still be provided with the shape on the outer peripheral face of the skeleton 34 of cartridge filter 3 and be annular roll table 8, the position that sets up of roll table 8 suits with the position that sets up of gyro wheel 74, still include inlet pipe 5 and be used for driving cartridge filter 3 pivoted drive arrangement 9, drive arrangement 9 is connected with the transmission of skeleton 34, the one end of inlet pipe 5 is located in cartridge filter 3, the other end is used for the input material.

Preferably, the output end of the driving device 9 is connected with a first gear, the first gear is engaged with a second gear, the second gear is fixedly connected with the framework 34, and the second gear is a hollow gear.

Preferably, the feed tube 5 is located on the same side as the drive means 9, the second gear also being adapted to pass through the feed tube 5.

Preferably, the one end that inlet pipe 5 is arranged in cartridge filter 3 still fixedly connected with buffering portion 6, the inside cavity that is provided with of buffering portion 6, inlet pipe 5 and cavity intercommunication, inlet pipe 5 set up in the bottom of buffering portion 6, still seted up opening 62 on the periphery of buffering portion 6, opening 62 is located the top of inlet pipe 5.

Preferably, the number of the filter cartridges 3 is several, and two adjacent filter cartridges 3 are connected by flanges, the driving device 9 is in transmission connection with the framework 34 of any one of the filter cartridges 3 located at two ends, the shapes of the spiral protrusions 4 on the inner circumferential surface of each winding portion 32 are matched, and the combined shape of the spiral protrusions 4 on the inner circumferential surface of each winding portion 32 is a spiral shape. This arrangement increases the filtration capacity and facilitates maintenance of the filter cartridge 3.

The material to be filtered is waste acid, the waste acid contains nitrocotton and fine cotton powder, when the fiber recovery device works, the nitrocotton is blocked on the inner peripheral wall of the filter cylinder 3 and is discharged out of the filter cylinder 3 under the action of the protrusions 4, waste acid liquid is discharged from the liquid outlet 12 through the peripheral wall of the filter cylinder 3, and the liquid outlet 12 is connected with a waste acid storage system.

Specifically, in the utility model, the side length of the triangular wire is 2mm, the material is 316L, the cross section of the winding part 32 is triangular, each corner of the triangle is provided with an arc transition, any one corner of the triangular wire is connected with the framework 34, two triangular wires can form a triangular filtering flow channel, the width of the flow channel at the tail end is more than 2mm, fine cotton powder can effectively pass through, and waste acid is efficiently filtered. The winding part 32 can select round steel wires or steel wires with polygonal cross sections, but the steel wires cannot form a filtering flow channel with gradually increased width, and the filtering effect is inferior to that of using triangular wires.

The filter cylinder of the fibril filter device is made of a stainless steel orifice plate with the diameter of phi 3mm, a 316L wire mesh with the gap of 0.68mm is lined, the filtering aperture of the wire mesh is larger, and nitrocotton is easy to block the 316L stainless steel wire mesh, so that the filtering effect is poor, a large amount of nitrocotton enters a waste acid storage system, the nitrocotton and the waste acid are not beneficial to recycling, and the nitrocotton is easy to decompose when entering the waste acid storage system, so that the potential safety hazard and the potential environmental protection hazard are generated; and the orifice plate and the silk screen are frequently damaged, the damaged silk screen enters the waste acid storage system, which is easy to cause quality accidents, the filter cylinder 3 adopts the triangular wire to be welded inside the framework, the triangular wire is not easy to damage, and the distance between every two winding parts 32 is 0.15-0.2 mm, so that a better filtering effect can be obtained.

The raw fiber filtering device discharges materials randomly hung on the inner wall of the cylindrical screen, when nitrocotton rotates to the upper part, the nitrocotton falls into the receiving hopper due to self gravity, and meanwhile, the nitrocotton in the receiving hopper is flushed out of the machine by water, so that the filtering mode is low in efficiency; in the filtering mode, a large amount of nitrocotton is still arranged on the cylindrical screen, and when too much nitrocotton blocks the cylindrical filter screen, the nitrocotton can directly overflow from the opening end and directly enter a waste acid storage system, so that waste acid is not subjected to effective solid-liquid separation; in the device, after waste acid enters the filter cylinder 3, because the filter cylinder 3 is internally provided with the protrusions 4 which are spirally distributed, the nitrocotton slides along the winding direction of the protrusions 4 under the action of gravity and is pushed to the opening at one end of the filter cylinder 3, which is far away from the feeding pipe, when the device is used, the collecting barrel can be placed below the opening for collecting the nitrocotton, so that the discharge mode of randomly leading out the nitrocotton is changed, and the efficiency of leading out the nitrocotton is high.

The height of the bulge 4 is 100 mm-200 mm, the bulge 4 is easy to manufacture, and the guided nitrocotton quantity is large; if the height of the projection 4 is higher than 200mm, the projection 4 is difficult to manufacture, and if the height of the projection 4 is lower than 100mm, the amount of the nitrocotton led out by the projection 4 is small.

As shown in fig. 3, when the filter cartridge 3 is arranged in the sump 1, the roller frame 72 can be directly welded with the sump 1, and if the filter cartridge 3 is positioned above the sump 1, the roller frame 72 can be fixed by a support; the roller way 8 is a circular steel belt, if the roller way 8 is not arranged, the roller 74 will be clamped by the supporting part 342, the roller 74 can be rotatably arranged on the roller frame 72 or can be directly and fixedly connected to the roller frame 72, but the friction force of the roller 74 fixedly arranged on the roller frame 72 is large, which is not the preferred scheme; the driving device 9 is an electric motor, and a hydraulic motor can be selected.

The buffer part 6 can make the waste acid distribute at the rightmost end of the filter cylinder 3 and start to filter, thereby increasing the effective filtering length of the waste acid, namely the total length of the filter cylinder 3, and leading the waste acid to be fully filtered, thereby improving the filtering effect.

While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the utility model. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the utility model should be determined from the following claims. In addition, all technical schemes of the utility model can be combined. The word "comprising" does not exclude the presence of other devices or steps than those listed in a claim or the specification; the terms "first," "second," and the like are used merely to denote names, and do not denote any particular order. In this context, "parallel," "perpendicular," and the like are not strictly mathematical and/or geometric limitations, but also encompass tolerances as would be understood by one skilled in the art and permitted by fabrication or use.

Claims

1. Cartridge filter, its characterized in that: including skeleton (34) and winding part (32), skeleton (34) form the filtration pore with winding part (32) combination, winding part (32) are the annular, be formed with accommodation space in skeleton (34), just accommodation space follows both ends on skeleton (34) length direction all are equipped with the opening, winding part (32) set up in the accommodation space, winding part (32) with skeleton (34) are close to one side fixed connection of accommodation space, just winding part (32) are followed the length direction interval of skeleton (34) sets up a plurality of.

2. The filter cartridge of claim 1, wherein: the framework (34) comprises a supporting portion (342) and a first flange (344), the supporting portion (342) is an elongated rod, the supporting portion (342) is arranged at the end portion of the first flange (344), the axis of the supporting portion (342) is perpendicular to the end portion of the first flange (344), the supporting portion (342) is arranged along the circumferential direction of the first flange (344) to form a plurality of supporting portions, the supporting portion (342) surrounds the accommodating space, and the winding portion (32) is close to one side of the accommodating space and fixedly connected with the supporting portion (342).

3. The filter cartridge of claim 1, wherein: the winding part (32) is a triangular wire, and any angle of the triangular wire is fixedly connected with the framework (34).

4. The filter cartridge of claim 1, wherein: the distance between every two winding parts (32) is 0.15 mm-0.2 mm.

5. The filter cartridge of any one of claims 1 to 4, wherein: the inner peripheral surface of the winding part (32) is provided with a protrusion (4) in a spiral shape.

6. Fibre recovery unit, including collecting tank (1), the bottom of collecting tank (1) is provided with liquid outlet (12), its characterized in that: the filter cartridge (3) of claim 5, wherein the filter cartridge (3) is located in the liquid collecting tank (1) or above the liquid collecting tank (1), the filter cartridge further comprises a plurality of roller frames (72), the roller frames (72) are distributed in a rectangular shape, each roller frame (72) is further provided with a roller (74), the axes of the rollers (74) are parallel, the filter cartridge (3) is arranged on the rollers (74), the outer circumferential surface of the framework (34) of the filter cartridge (3) is further provided with a roller bed (8) in an annular shape, the arrangement position of the roller bed (8) is adapted to the arrangement position of the rollers (74), the filter cartridge further comprises a feeding pipe (5) and a driving device (9) for driving the filter cartridge (3) to rotate, the driving device (9) is in transmission connection with the framework (34), one end of the feeding pipe (5) is arranged in the filter cartridge (3), the other end is used for inputting materials.

7. The fiber recovery device of claim 6, wherein: the output end of the driving device (9) is connected with a first gear, the first gear is meshed with a second gear, the second gear is fixedly connected with the framework (34), and the second gear is a hollow gear.

8. The fiber recovery device of claim 7, wherein: the feed pipe (5) is located on the same side as the drive means (9), the second gear also being intended to pass through the feed pipe (5).

9. The fiber recovery device of claim 6, wherein: inlet pipe (5) are located one end in cartridge filter (3) is fixedly connected with buffering portion (6) still, the inside cavity that is provided with of buffering portion (6), inlet pipe (5) with the cavity intercommunication, inlet pipe (5) set up in the bottom of buffering portion (6), opening (62) have still been seted up in the periphery of buffering portion (6), opening (62) are located the top of inlet pipe (5).

10. The fiber recovery device of claim 6, wherein: the filter cartridges (3) are in a plurality of numbers, the two adjacent filter cartridges (3) are connected through flanges, the driving device (9) is in transmission connection with a framework (34) of any one of the filter cartridges (3) positioned at two ends, the spiral protrusions (4) on the inner circumferential surface of each winding part (32) are matched in shape, and the combined shape of the spiral protrusions (4) on the inner circumferential surface of each winding part (32) is spiral.