CN220802664U - Circulating reverse osmosis battery liquid filter equipment - Google Patents

Abstract

The utility model relates to the field of battery waste liquid treatment, in particular to a circulating reverse osmosis battery liquid filtering device, which comprises: the protection casing and the protection end cover of connecting at its inboard both ends respectively, the interval is equipped with a plurality of reverse osmosis membrane element in the protection casing, is connected with the outlet pipe on one of them protection end cover, the one end and the reverse osmosis membrane element of outlet pipe go out water port connection, the one end outside that the protection casing kept away from the outlet pipe is connected with the inlet tube. The filtering component filters a part of impurities in the wastewater, so that the working efficiency of water treatment is indirectly improved, the reverse osmosis membrane element removes pollutants in the wastewater, the unfiltered clean concentrated water is conveyed to the reflux component under the action of the overflow cavity, the concentrated water is returned under the action of the circulating pump, and the concentrated water is conveyed between the reverse osmosis membrane element and the filtering component for reverse osmosis filtering treatment again, so that the energy is saved, and the quality of pure water is further improved.

Description

Circulating reverse osmosis battery liquid filter equipment

Technical Field

The utility model relates to the technical field of battery waste liquid treatment, in particular to a circulating reverse osmosis battery liquid filtering device.

Background

When the battery is damaged and cannot be used, recovery treatment is usually carried out, and wastewater generated in the battery recovery treatment process contains high-concentration heavy metal ions and organic substances, if the wastewater is directly discharged, the wastewater can cause great threat to the environment and human health, and in order to reduce the pollution of the wastewater to the environment, multistage treatment processes such as pH value adjustment, pretreatment, biochemical treatment, advanced treatment and terminal treatment are generally adopted. Among the process steps typically involved in the advanced treatment are polymer separation, clean water, reverse osmosis, etc.

Reverse osmosis is generally performed through reverse osmosis equipment, and external wastewater is transmitted to a reverse osmosis element by using related equipment such as a high-pressure pump, and substances such as ions, heavy metals, organic matters and the like with the size exceeding the aperture of a semipermeable membrane are removed by the water through the semipermeable membrane, and the semipermeable membrane is generally made of a fibrous membrane of polyester or polyamide, so that harmful substances in the water can be trapped outside the surface of the membrane, and a better purifying effect is realized.

In view of the above-mentioned related art, the inventors found that in the reverse osmosis treatment process, it is impossible to perform the reflux treatment in a single set of reverse osmosis equipment to increase the wastewater treatment efficiency, and in the conventional battery wastewater treatment, a plurality of sets of reverse osmosis are generally selected to perform the hierarchical treatment of the battery waste liquid, so as to sequentially increase the quality of pure water. This step therefore requires a large amount of energy for delivering the wastewater, and typically multiple high pressure pumps are used to deliver the wastewater, thereby increasing the cost of the process;

In addition, reverse osmosis equipment can adhere to a large amount of impurity and colloid on the surface of its inside semipermeable membrane after long-time use, generally can dismantle inside reverse osmosis membrane element to wash, put through chemical liquid pipeline through reverse osmosis equipment water inlet end and water production end simultaneously, make its inflow reverse osmosis membrane inside backwash, get rid of solid matter such as soluble salt and sulfate, with the life of protection film, and need stop filtering the waste water operation in the washing inside reverse osmosis membrane element in-process, thereby influence the work efficiency of water treatment at a certain extent.

Disclosure of utility model

The utility model mainly solves the technical problem of providing the circulating reverse osmosis battery liquid filtering device which is convenient for carrying out reflux treatment in a single group of reverse osmosis equipment, thereby improving the wastewater treatment efficiency, reducing the treatment cost, simultaneously reducing the operation time of backwashing operation and indirectly improving the working efficiency of water treatment.

In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a circulating reverse osmosis battery fluid filtering device, comprising: the device comprises a protective shell and protective end covers respectively connected to two ends of the inner side of the protective shell, wherein a plurality of reverse osmosis membrane elements are arranged in the protective shell at intervals, one of the protective end covers is connected with a water outlet pipe, one end of the water outlet pipe is connected with a water outlet port of the reverse osmosis membrane element, and the outer side of one end, far away from the water outlet pipe, of the protective shell is connected with a water inlet pipe;

A filter cavity is arranged between the protective end cover close to one side of the water inlet pipe and the reverse osmosis membrane element, an overflow cavity is arranged between the other protective end cover and the reverse osmosis membrane element, a filter assembly is detachably connected in the filter cavity, a backflow assembly is connected between the filter cavity and the overflow cavity, and the water inlet pipe extends into the filter cavity and is positioned at one side of the filter assembly far away from the reverse osmosis membrane element;

The reflux assembly comprises a concentrated water receiving pipe, a circulating pump and a transmission pipe, wherein the concentrated water receiving pipe is communicated with the transmission pipe through the circulating pump, and the transmission pipe extends into the filter cavity and is positioned between the reverse osmosis membrane element and the filter assembly.

Through adopting above-mentioned technical scheme, waste water gets into reverse osmosis equipment inside along the inlet tube to partly impurity filtration in the waste water under filter component's effect, later get rid of the pollutant in the waste water under reverse osmosis membrane element's effect, the pure water after filtering is discharged along the outlet pipe, and the concentrated water that has not filtered clean is carried to the backward flow subassembly under the effect in overflow chamber, through receiving tube, circulating pump and transmission pipe with concentrated water transmission to reverse osmosis membrane element and filter component between, carry out reverse osmosis filtration again and handle, further improve the quality of water of pure water when practicing thrift the energy.

The present utility model may be further configured in a preferred example to: the filter assembly comprises a filter element and a connecting piece, and the filter element and the protective shell are detachably connected through the connecting piece.

Through adopting above-mentioned technical scheme, the connecting piece is dismantled and assembled the filter core spare, from changing the filter core spare, improves the life cycle of inside reverse osmosis membrane element to reduce the operating time of backwash operation, indirectly improve water treatment's work efficiency.

The present utility model may be further configured in a preferred example to: the connecting piece is including installing the solid fixed ring in the protecting crust and installing the joint ring on the filter core spare excircle, the mounting groove has been seted up to the solid fixed ring one side symmetry that is close to the filter core spare, the spacing groove has been seted up along the clockwise of solid fixed ring to the mounting groove, spacing hole has been seted up in the spacing groove, the symmetry is equipped with the elasticity U type stopper with spacing groove assorted on the excircle of joint ring, elasticity U type stopper is close to one side of spacing hole and installs spacing arch with spacing hole assorted.

Through adopting above-mentioned technical scheme, elasticity U type stopper is accurate with the mounting groove on the solid fixed ring, rotates the filter core spare, makes elasticity U type stopper remove to the spacing inslot, cooperates spacing hole and spacing arch in order to prevent that the filter core spare from moving in wastewater treatment.

The present utility model may be further configured in a preferred example to: the filter element comprises a filter element body, one end of the filter element body, which is far away from the connecting piece, is connected with a waterproof ring cover, one side of the filter element body, which is close to the waterproof ring cover, is connected with a handle, and the outer circle of the waterproof ring cover is connected with a waterproof gasket.

Through adopting above-mentioned technical scheme, the handle is convenient for rotate the filter core body to change it, when rotating the filter core body through the handle simultaneously, so that drive elasticity U type stopper in step and remove to the spacing inslot, and cooperate waterproof gasket, prevent that waste water from directly getting into the filter chamber through the filter core body filtration.

The present utility model may be further configured in a preferred example to: the one end that the filter core body is close to the inlet tube is the inclined plane, one side top on filter core body inclined plane is close to the setting of protection end cover, one side bottom on filter core body inclined plane is kept away from the inlet tube setting.

Through adopting above-mentioned technical scheme, the inclined plane of filter core body can improve its area of contact with waste water for waste water treatment efficiency, the water pressure when reducing the inlet tube simultaneously and intaking improves the life of part.

The present utility model may be further configured in a preferred example to: the protective shell is made of glass fiber reinforced plastic materials.

By adopting the technical scheme, the service life of the reverse osmosis equipment is prolonged.

In summary, the utility model comprises at least one of the following beneficial technical effects:

1. The waste water enters the reverse osmosis equipment along the water inlet pipe and is filtered to a part of impurities in the waste water under the action of the filtering component, so that the service cycle of the internal reverse osmosis membrane element is prolonged, the working efficiency of water treatment is indirectly improved, then pollutants in the waste water are removed under the action of the reverse osmosis membrane element, filtered pure water is discharged along the water outlet pipe, the pure concentrated water which is not filtered is conveyed to the reflux component under the action of the overflow cavity, and is refluxed under the action of the concentrated water receiving pipe, the circulating pump and the transmission pipe, the concentrated water is conveyed between the reverse osmosis membrane element and the filtering component, the reverse osmosis filtering treatment is performed again, and the water quality of the pure water is further improved while the energy is saved.

2. Through the cooperation of solid fixed ring and joint ring, the staff only need rotate the handle and drive the filter core body rotation, makes elasticity U type stopper and spacing groove separation, can change the filter core body to when reinstalling the filter core body, remove elasticity U type stopper to the spacing inslot, cooperation spacing hole and spacing arch are in order to prevent that the filter core piece from moving in wastewater treatment cluster, thereby filter the partly impurity in the waste water, improve reverse osmosis membrane element's life cycle, reduce backwash number of times, thereby improve water treatment's work efficiency.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a filter assembly according to the present utility model;

fig. 3 is a schematic view of the filter element structure of the present utility model.

In the figure: 1. a protective housing; 2. a protective end cap; 3. a reverse osmosis membrane element; 4. a water outlet pipe; 5. a water inlet pipe; 6. a filter chamber; 7. an overflow chamber; 80. a filter assembly; 90. a reflow assembly;

81. a filter element; 82. A connecting piece;

91. A concentrated water receiving pipe; 92. A circulation pump; 93. A transmission tube;

811. A filter element body; 812. a waterproof ring cover; 813. a handle; 814. a waterproof gasket;

821. A fixing ring; 822. a clamping ring; 823. a mounting groove; 824. a limit groove; 825. a limiting hole; 826. an elastic U-shaped limiting block; 827. and a limit protrusion.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.

The utility model is further illustrated by the following examples:

example 1

Referring to fig. 1-3, a circulating reverse osmosis battery fluid filtering device disclosed in the utility model comprises: the protection shell 1 and the protection end covers 2 respectively connected to the two ends of the inner side of the protection shell 1 are made of glass fiber reinforced plastic materials, a plurality of reverse osmosis membrane elements 3 are arranged in the protection shell 1 at intervals, a water outlet pipe 4 is connected to one protection end cover 2, one end of the water outlet pipe 4 is connected with a water outlet port of the reverse osmosis membrane elements 3, a water inlet pipe 5 is connected to the outer side of one end, far away from the water outlet pipe 4, of the protection shell 1, a filter cavity 6 is arranged between the protection end cover 2 and the reverse osmosis membrane elements 3, an overflow cavity 7 is arranged between the other protection end cover 2 and the reverse osmosis membrane elements 3, a filter assembly 80 is detachably connected in the filter cavity 6, the filter assembly 80 comprises a filter element 81 and a connecting piece 82, the filter element 81 and the protection shell 1 are detachably connected through the connecting piece 82, a backflow assembly 90 is connected between the filter cavity 6 and the overflow cavity 7, the water inlet pipe 5 extends into the filter cavity 6 and is positioned on one side, far away from the reverse osmosis membrane elements 3, the backflow assembly 90 comprises a concentrated water receiving pipe 91, a circulating pump 92 and a transmission pipe 93, the concentrated water receiving pipe 91 is communicated with the reverse osmosis membrane elements 93 through the circulating pump 92, and the transmission pipe 93 extends into the filter cavity 6, and is positioned between the reverse osmosis membrane elements 80 and the filter element 80; the connecting piece 82 can be provided with a plurality of waterproof coils on one side close to the reverse osmosis membrane element 3 for improving the tightness of the interior, waste water is precipitated in advance by the sedimentation tank, and is conveyed to the water inlet pipe 5 by the pipeline and the high-pressure pump after being pretreated by a part of the pretreatment device, and a part of impurities in the waste water are filtered under the action of the filtering component 80, so that the service cycle of the interior reverse osmosis membrane element 3 is improved, the filtered waste water is changed into pure water to be discharged along the water outlet pipe 4, the waste water which is not filtered yet is changed into concentrated water and is conveyed to the reflux component 90 under the action of the overflow cavity 7, at the moment, the circulating pump 92 conveys the concentrated water between the reverse osmosis membrane element 3 and the filtering component 80 through the concentrated water receiving pipe 91 and the conveying pipe 93, and secondary treatment is carried out again through the reverse osmosis membrane element 3, so that the reflux filtering treatment procedure is realized, and the quality of the pure water is further improved while the energy is saved.

Example 2

As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: the connecting piece 82 comprises a fixed ring 821 installed in the protective shell 1 and a clamping ring 822 installed on the outer circle of the filter element 81, wherein one side of the fixed ring 821, which is close to the filter element 81, is symmetrically provided with a mounting groove 823, a limit groove 824 is formed in the mounting groove 823 along the clockwise direction of the fixed ring 821, a limit hole 825 is formed in the limit groove 824, an elastic U-shaped limiting block 826 matched with the limit groove 824 is symmetrically arranged on the outer circle of the clamping ring 822, one side of the elastic U-shaped limiting block 826, which is close to the limit hole 825, is provided with a limit protrusion 827 matched with the limit hole 825, the filter element 81 comprises a filter element body 811, one side, which is far away from the connecting piece 82, of the filter element body 811 is connected with a waterproof ring cover 812, one side, which is close to the waterproof ring cover 812, of the filter element body 811 is connected with a waterproof gasket 814, one side, which is close to the water inlet pipe 5, of the filter element body 811 is provided with a slope, one side top of the slope of the filter element body 811 is close to the protective end cover 2, and one side bottom of the slope of the filter element body 811 is far away from the water inlet pipe 5; the fixed ring 821 and the protective housing 1 are in an integral structure, the outer diameter of the filter element body 811 is matched with the inner diameter of the fixed ring 821, the filter element body 811 is preferably a butterfly filter element, the limit protrusion 827 is hemispherical, the friction force of the elastic U-shaped limit block 826 in the limit groove 824 is reduced, the service life of a part is prolonged, after the filter element body 811 is used for a long time, a worker opens one side protective end cover 2, and rotates the handle 813 to drive the filter element body 811 to rotate, the elastic U-shaped limit block 826 is separated from the limit groove 824, the filter element body 811 can be replaced, the filter element body 811 is reinstalled, the elastic U-shaped limit block 826 is moved into the limit groove 824 and rotated clockwise, the limit protrusion 827 is clamped into the limit groove 824, so that the filter element 81 is prevented from being in a series motion in wastewater treatment operation, during the wastewater treatment, the impurity is reduced on part of the filter element body 811, the surface of the reverse osmosis membrane element 3 is prolonged, the service cycle of the internal element 3 is prolonged, the backwash times are reduced, the work efficiency of the reverse osmosis membrane 811 is improved, and the water inlet pipe is prolonged.

The implementation principle of the embodiment is as follows: when the sewage treatment device is used, sewage is pre-precipitated by the precipitation tank, and is conveyed to the water inlet pipe 5 by the pipeline and the high-pressure pump after being pre-treated by the partial pre-processor, then the filter element body 811 filters part of impurities in the sewage, impurities are reduced to be adsorbed on the surface of the reverse osmosis membrane element 3, the sewage is changed into pure water to be discharged along the water outlet pipe 4 under the filtration of the reverse osmosis membrane element 3, part of unfiltered clean sewage is changed into concentrated water to flow to the overflow cavity 7, at the moment, a worker controls the circulating pump 92 to enable the concentrated water to be conveyed between the reverse osmosis membrane element 3 and the filter element body 811 through the concentrated water receiving pipe 91 and the conveying pipe 93, and the secondary treatment is carried out through the reverse osmosis membrane element 3 again, so that the reflux filtration treatment procedure is realized, and the water quality is further improved while the energy is saved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims (6)

1. A circulating reverse osmosis battery fluid filtration device comprising: the device comprises a protective shell (1) and protective end covers (2) respectively connected to two ends of the inner side of the protective shell, wherein a plurality of reverse osmosis membrane elements (3) are arranged in the protective shell (1) at intervals, and the device is characterized in that one of the protective end covers (2) is connected with a water outlet pipe (4), one end of the water outlet pipe (4) is connected with a water outlet port of the reverse osmosis membrane element (3), and a water inlet pipe (5) is connected to the outer side of one end, far away from the water outlet pipe (4), of the protective shell (1);

A filter cavity (6) is arranged between the protective end cover (2) close to one side of the water inlet pipe (5) and the reverse osmosis membrane element (3), an overflow cavity (7) is arranged between the other protective end cover (2) and the reverse osmosis membrane element (3), a filter component (80) is detachably connected in the filter cavity (6), a reflux component (90) is connected between the filter cavity (6) and the overflow cavity (7), and the water inlet pipe (5) extends into the filter cavity (6) and is positioned at one side, far away from the reverse osmosis membrane element (3), of the filter component (80);

The backflow assembly (90) comprises a concentrated water receiving pipe (91), a circulating pump (92) and a transmission pipe (93), wherein the concentrated water receiving pipe (91) is communicated with the transmission pipe (93) through the circulating pump (92), and the transmission pipe (93) extends into the filter cavity (6) and is located between the reverse osmosis membrane element (3) and the filter assembly (80).

2. A circulating type reverse osmosis battery liquid filtering apparatus according to claim 1, characterized in that the filtering assembly (80) comprises a filter element (81) and a connecting member (82), and the filter element (81) and the protective housing (1) are detachably connected by the connecting member (82).

3. The circulating reverse osmosis battery liquid filtering device according to claim 2, wherein the connecting piece (82) comprises a fixing ring (821) installed in the protective housing (1) and a clamping ring (822) installed on the outer circle of the filter element piece (81), one side, close to the filter element piece (81), of the fixing ring (821) is symmetrically provided with an installation groove (823), the installation groove (823) is provided with a limit groove (824) along the clockwise direction of the fixing ring (821), the limit groove (824) is internally provided with a limit hole (825), the outer circle of the clamping ring (822) is symmetrically provided with an elastic U-shaped limit block (826) matched with the limit groove (824), and one side, close to the limit hole (825), of the elastic U-shaped limit block (826) is provided with a limit protrusion (827) matched with the limit hole (825).

4. A circulating type reverse osmosis battery liquid filtering apparatus according to claim 3, characterized in that the filter element member (81) comprises a filter element body (811), one end of the filter element body (811) far away from the connecting member (82) is connected with a waterproof ring cover (812), one side of the filter element body (811) near the waterproof ring cover (812) is connected with a handle (813), and the outer circle of the waterproof ring cover (812) is connected with a waterproof gasket (814).

5. The circulating type reverse osmosis battery liquid filtering device according to claim 4, wherein one end of the filter element body (811) close to the water inlet pipe (5) is an inclined surface, one side top of the inclined surface of the filter element body (811) is close to the protective end cover (2), and one side bottom of the inclined surface of the filter element body (811) is far away from the water inlet pipe (5).

6. The circulating type reverse osmosis battery liquid filtering apparatus according to claim 1, wherein the protective housing (1) is made of glass fiber reinforced plastic material.