CN212188037U - Resin trapping apparatus for cation resin exchanger - Google Patents

Abstract

The utility model relates to a resin interchanger technical field discloses a resin trapping apparatus for cation resin interchanger, including casing, rotation connection pivot, drive pivot pivoted motor in the casing, be fixed with in the pivot and strain a section of thick bamboo, strain a section of thick bamboo bottom and be connected with the impeller, the casing lateral wall is provided with water inlet, top along tangential direction and is provided with and strain delivery port, the bottom that a section of thick bamboo is linked together and be provided with the resin backward flow mouth. The utility model has the advantages of it is following and effect: the rotational flow in the cylinder body can quickly separate the resin from the water, thereby greatly reducing the contact between the resin and the filter cylinder and avoiding the blockage of the filter cylinder; the outer wall of the filter cylinder is continuously washed by the rotational flow, the filter cylinder can be cleaned, the possibility of blockage of the filter cylinder is further reduced, the filter cylinder does not need to be backwashed, the frequency of replacing the filter cylinder is greatly reduced, and the continuous operation of the cation resin exchanger can be realized.

Description

Resin trapping apparatus for cation resin exchanger

Technical Field

The utility model relates to a resin exchanger technical field, in particular to resin trapping apparatus for cation resin exchanger.

Background

In the process of water treatment, when the quality of resin is poor (the strength is not enough), the water pressure disturbance is large (particularly high-pressure disturbance), and the wall of a resin cylinder is damaged, the resin can enter the whole water system to influence the normal operation of other equipment of the system, so that a resin catching device needs to be arranged. The resin trapping device is mainly characterized in that a filter screen with a pore diameter which is much smaller than that of resin is arranged on a water system pipeline near an outlet of equipment such as an ion exchanger filled with the resin, and the device has a flushing function. When the resin passes through, the resin can be intercepted and captured by the filter screen, and meanwhile, the captured resin is automatically washed by front and back differential pressure to be discharged out of the system.

The filter screen in the current resin catching device mainly adopts a single-layer or multi-layer nylon net as a resin catching unit, the resin catching unit is easy to block after being used for a certain time, the filter screen is frequently required to be replaced, the resin catching unit also needs to be periodically back flushed, the caught resin is discharged out of the system, and the filter screen replacing and back flushing processes need to be stopped, so that the water treatment efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cation resin is resin trapper for exchange device, the play water of cation resin interchanger forms the whirl after getting into this resin trapper, can make the difficult jam of resin trapping apparatus, need not to carry out the back flush, can realize cation resin interchanger continuous operation.

The above technical purpose of the present invention can be achieved by the following technical solutions: the filter drum comprises a shell, a rotating shaft and a motor, wherein the rotating shaft is rotatably connected in the shell, the motor is used for driving the rotating shaft to rotate, a filter drum is fixed on the rotating shaft, the bottom of the filter drum is connected with an impeller, a water inlet is formed in the side wall of the shell along the tangential direction, a water outlet communicated with the filter drum is formed in the top of the side wall of the shell, and a resin backflow port is formed.

By adopting the technical scheme, the motor outside the shell drives the rotating shaft to rotate, the rotating shaft drives the filter cylinder and the impeller to rotate, the water in the shell forms a rotational flow under the action of the impeller, the effluent water carrying with resin in the cation resin exchanger enters the shell along the tangential direction, the resin is separated from the water under the rotational flow action, moves towards the direction far away from the center of the shell and falls along the inner wall of the shell, the separated resin flows back to the cation resin exchanger from the resin backflow port, and the water without the resin is discharged from the water outlet through the filter cylinder at the center of the shell. The rotational flow in the cylinder body can quickly separate the resin from the water, thereby greatly reducing the contact between the resin and the filter cylinder and avoiding the blockage of the filter cylinder; the outer wall of the filter cylinder is continuously washed by the rotational flow, the filter cylinder can be cleaned, the possibility of blockage of the filter cylinder is further reduced, the filter cylinder does not need to be backwashed, the frequency of replacing the filter cylinder is greatly reduced, and the continuous operation of the cation resin exchanger can be realized.

The utility model discloses a further set up to: the filter cartridge comprises a cylindrical cylinder body connected with the water outlet and a conical cylinder body positioned below the cylindrical cylinder body.

The utility model discloses a further set up to: the outer wall of the conical cylinder body is provided with a spiral convex part, and the lower side of the spiral convex part is provided with a filter hole.

Through adopting above-mentioned technical scheme, the resin collects downwards along conical spiral direction under the whirl effect in the casing, adopt the toper barrel can with the moving direction looks adaptation of resin in the casing, minimize the contact of resin with straining a section of thick bamboo, strain a section of thick bamboo outer wall and be provided with the spiral convex part, the convex part downside is provided with the filtration pore, can follow the upside whereabouts of spiral convex part after some resin striking strains a section of thick bamboo outer wall, rivers flow from the filtration pore of spiral convex part downside, under the separation effect of spiral convex part, can keep the unblocked of filtration pore, ensure equipment normal operating.

The utility model discloses a further set up to: the impeller is a hyperbolic impeller.

By adopting the technical scheme, the hyperboloid impeller is more accordant with the flowing characteristic of a water body, and can form a rotational flow under the action of smaller power.

Through adopting above-mentioned technical scheme, the casing bottom is provided with the toper collecting hopper, the resin backward flow mouth is located the collecting hopper lateral wall, the collecting hopper bottom is provided with the resin discharge port.

By adopting the technical scheme, the resin contains complete resin and broken resin, fine broken resin can be concentrated in the center of the shell under the action of rotational flow and quickly falls under the action of water flow, and the part of broken resin can be discharged from the resin discharge port at the bottom of the collecting hopper by adjusting the flow of the resin discharge port; the relatively complete resin is subjected to larger centrifugal force due to larger mass, most of the complete resin is far away from the center of the cylinder body and finally flows back to the cation resin exchanger from the resin backflow port on the side wall of the hopper, so that the broken resin and the complete resin can be separated, the broken resin is prevented from always circulating in the cation resin exchanger, the water treatment efficiency of the cation resin exchanger can be improved, the concentration of the broken resin in the resin catching device can be reduced, and the filter cartridge is prevented from being blocked by fine broken resin.

The utility model discloses a further set up to: the side wall of the shell is provided with an observation port.

The utility model has the advantages that:

1. the rotational flow in the cylinder body can quickly separate the resin from the water, thereby greatly reducing the contact between the resin and the filter cylinder and avoiding the blockage of the filter cylinder; the outer wall of the filter cylinder is continuously washed by the rotational flow, the filter cylinder can be cleaned, the possibility of blockage of the filter cylinder is further reduced, the filter cylinder does not need to be backwashed, the frequency of replacing the filter cylinder is greatly reduced, and the continuous operation of the cation resin exchanger can be realized.

2. The spiral convex part is arranged on the outer wall of the filter cylinder, the filter holes are formed in the lower side of the convex part, part of resin can fall along the upper side of the spiral convex part after impacting the outer wall of the filter cylinder, water flows out of the filter holes in the lower side of the spiral convex part, the filter holes can be kept smooth under the blocking effect of the spiral convex part, and normal operation of equipment is guaranteed.

3. Under the action of the rotational flow, fine crushed resin is concentrated in the center of the shell and discharged from a resin discharge port at the bottom of the collecting hopper, and relatively complete resin flows back to the cation resin exchanger from a resin return port on the side wall of the hopper, so that the crushed resin and the complete resin can be separated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present embodiment.

In the figure, 1, a housing; 2. a rotating shaft; 3. a motor; 4. a filter cartridge; 41. a cylindrical barrel; 42. a conical cylinder; 43. a convex portion; 44. filtering holes; 5. a double-curved impeller; 6. a water inlet; 7. a water outlet; 8. a collection hopper; 9. a resin return port; 10. a resin discharge port.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): the utility model provides a resin trapping apparatus for cation resin exchanger is shown in figure 1, including casing 1, casing 1 center is rotated and is connected with pivot 2, casing 1 top is provided with drive pivot 2 pivoted motor 3, be fixed with in the pivot 2 and strain a section of thick bamboo 4, it is connected with hyperboloid impeller 5 to strain 4 bottoms of section of thick bamboo, casing 1 lateral wall is provided with water inlet 6 along the tangential direction, the top is provided with and strains a delivery port 7 that 4 tops are linked together, the bottom is provided with toper collecting hopper 8, collecting hopper 8 lateral wall is provided with resin backward flow mouth 9, collecting hopper 8 bottom is provided with resin discharge port 10, casing 1 lateral wall is provided with observes the.

As shown in fig. 1, the filter cartridge 4 includes a cylindrical barrel 41 connected to the water outlet 7, a conical barrel 42 is connected to a lower portion of the cylindrical barrel 41, a spiral protrusion 43 is disposed on an outer wall of the conical barrel 42, a filter hole 44 is disposed below the spiral protrusion 43, water treated by the cation exchanger enters the housing 1, is filtered by the filter cartridge 4, and effluent is discharged from the filter hole 44.

The working principle of the resin catching device for the cation resin exchanger is as follows: firstly, a motor 3 positioned outside a shell 1 drives a rotating shaft 2 to rotate, the rotating shaft 2 drives a filter cartridge 4 and an impeller to rotate, and water in the shell 1 forms rotational flow under the action of the impeller; then, the effluent water with resin in the cation resin exchanger enters the shell 1 along the tangential direction, and part of the resin is separated from the water under the action of the rotational flow, moves in the direction far away from the center of the shell 1 and falls along the inner wall of the shell 1; meanwhile, part of the resin can fall along the upper side of the spiral convex part 43 after impacting the outer wall of the filter cylinder 4, and water flow without the resin flows out from the filter holes 44 at the lower side of the spiral convex part 43; finally, the separated resin is refluxed into the cation resin exchanger from the resin reflux port 9, and the partially crushed resin is discharged from the resin discharge port 10.

Claims (6)

1. A resin trap device for a cation resin exchanger, characterized in that: including casing (1), rotate pivot (2), the drive of connecting in casing (1) pivot (2) pivoted motor (3), be fixed with in pivot (2) and strain a section of thick bamboo (4), strain a section of thick bamboo (4) bottom and be connected with the impeller, casing (1) lateral wall is provided with water inlet (6), top along tangential direction be provided with strain delivery port (7), the bottom that section of thick bamboo (4) are linked together and be provided with resin backward flow mouth (9).

2. The resin trap device for a cation resin exchanger according to claim 1, wherein: the filter cartridge (4) comprises a cylindrical barrel body (41) connected with the water outlet (7) and a conical barrel body (42) positioned below the cylindrical barrel body (41).

3. The resin trap device for a cation resin exchanger according to claim 2, wherein: the outer wall of the conical cylinder body (42) is provided with a spiral convex part (43), and the lower side of the spiral convex part (43) is provided with a filtering hole (44).

4. The resin trap device for a cation resin exchanger according to claim 1, wherein: the impeller is a double-curved-surface impeller (5).

5. The resin trap device for a cation resin exchanger according to claim 1, wherein: the improved plastic container is characterized in that a conical material collecting hopper (8) is arranged at the bottom of the shell (1), a resin backflow port (9) is formed in the side wall of the material collecting hopper (8), and a resin discharge port (10) is formed in the bottom of the material collecting hopper (8).

6. The resin trap device for a cation resin exchanger according to claim 1, wherein: the side wall of the shell (1) is provided with an observation port.

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