CN211946379U

CN211946379U - Continuous ion exchange device

Info

Publication number: CN211946379U
Application number: CN201922203463.9U
Authority: CN
Inventors: 蔡建国; 石洪雁; 潘玲辉
Original assignee: Suzhou Breit Environmental Protection Technology Co ltd
Current assignee: Suzhou Breit Environmental Protection Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-11-17
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a continuous ion exchange device, including the cabinet body, adsorption column, distributing valve, PLC switch board, inlet outlet, the front portion of the cabinet body is provided with the PLC switch board, the internal portion of cabinet is provided with a plurality of adsorption columns and a distributing valve, cabinet body rear portion is provided with a plurality of inlet outlets. In the ion exchange process, the resin utilization rate is high, the consumption of regenerant and washing water is low, the rotation speed can be automatically adjusted according to the change of production load, the operation flexibility is good, the occupied area is small, and different water qualities can be conveniently and flexibly processed.

Description

Continuous ion exchange device

Technical Field

The utility model relates to a waste water treatment technical field especially relates to a continuous ion exchange equipment.

Background

In the waste water treatment, the adsorption and desorption process of a fixed bed is generally adopted, resin is fixed in adsorption columns, and each adsorption column works intermittently. In the resin exchange process, partial tree fingers are easily wasted in a vacant mode, and the use efficiency of resin is low; the consumption of desorption liquid and flushing liquid is large, and the waste is serious. The development of a miniaturized continuous ion exchange device and the capability of automatically and efficiently treating wastewater is a main requirement of the continuous ion exchange device, and the prior art has improvements.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a continuous ion exchange device, in the ion exchange process, the resin high-usage, regenerant, washing water consumption are few, can have good operation elasticity according to the change automatic adjustment rotation rate of production load, and area is few, can conveniently handle the quality of water of various differences in a flexible way.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the adsorption tower comprises a cabinet body, adsorption columns, distribution valves, a PLC control cabinet and water inlets and water outlets, wherein the distribution valves comprise upper distribution valves and lower distribution valves; the upper distribution valve is connected with an external water tank through a water inlet and a water outlet, and the lower distribution valve is in one-to-one butt joint design with the corresponding adsorption columns.

The utility model discloses further set up to: the upper distribution valve comprises an upper movable valve and an upper fixed valve; the upper movable valves are arranged into two groups, the upper fixed valves are correspondingly arranged into two groups, and the upper movable valves are correspondingly connected with the water inlet and the water outlet.

The utility model discloses further set up to: the movable valve is circumferentially provided with annular flow passages, and each annular flow passage is isolated by a pair of mechanical seals; the upper fixed valve and the upper movable valve are in one-to-one butt joint with each other in the annular flow channels.

The utility model discloses further set up to: the upper distribution valve comprises a lower movable valve and a lower fixed valve; two groups of the lower movable valves and two groups of the upper movable valves are in one-to-one butt joint; the lower fixed valve is in one-to-one butt joint with the upper and lower ports of the adsorption valve.

The utility model discloses further set up to: the lower movable valve rotates through a servo motor rotating gear; the upper movable valve and the lower fixed valve are sealed by a lower pressing device; the pressing device controls pressing force through a pressure sensor.

The utility model discloses further set up to: the lower fixed valve is provided with holes which are in one-to-one butt joint with the lower movable valve, and the servo motor controls the rotation angle according to the angle sensor.

To sum up, the utility model discloses following effect has:

1. an integrated miniaturized structure is adopted, so that the flexible use degree of equipment is improved;

2. continuous ion exchange is adopted, so that the utilization rate of the resin is improved;

3. the distribution valve can rotate accurately, the rotating speed can be controlled, and the optimal wastewater treatment process can be selected.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.

FIG. 1 is a schematic structural diagram of a continuous ion exchange apparatus according to the present invention;

fig. 2 is a schematic view of a distribution valve of the continuous ion exchange apparatus of the present invention.

In the figure: 1. a base plate; 2. an adsorption column; 3. a connecting pipe; 4. a lower fixed valve; 5. a lower movable valve; 6. an upper movable valve; 8. an upper fixed valve; 7. a reinforcing ring; 9. a frame; 10. a servo motor; 11. a water inlet and outlet; 12. a cabinet body; 13. a PLC control cabinet; 14. a dispensing valve; 15. an annular flow passage.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a continuous ion exchange apparatus includes a cabinet 12, an adsorption column 2, a PLC control cabinet 13, and a water inlet 11 and a water outlet 11; the water inlet and outlet 11 is connected with external raw water, desorption agent and flushing water tank; the adsorption columns 2 are correspondingly connected with the distribution valves 14 one by one; the PLC control cabinet 13 controls the sealing pressure and the rotation speed of the distribution valve 14.

The distribution valve 14 consists of an upper distribution valve and a lower distribution valve, wherein the upper distribution valve is divided into an upper movable valve 6 and an upper fixed valve 8, and the lower distribution valve is divided into a lower movable valve 5 and a lower fixed valve 4; the upper fixed valve 8 and the lower fixed valve 4 are fixed in a frame 9, the frame 9 is erected on the bottom plate 1, and the servo motor 10 is also fixed on the frame 9; the lower movable valve 5 is provided with a gear, and the servo motor 10 rotates the lower movable valve 5 through the gear; the upper movable valve 6 and the lower movable valve 5 are connected through a middle upright post to rotate together; the servo motor 10 controls the rotation angle through a PLC cabinet 13; the lower movable valve 5 and the lower fixed valve 4 are compressed and sealed through the compressing device 2; the upper connecting pipes 3 of the lower fixed valve 5 are correspondingly connected with the adsorption columns 2 one by one; the upper fixed valves 8 are correspondingly connected with the water inlets and the water outlets 11 one by one; the upper movable valve 6 is provided with annular flow passages 15, and each annular flow passage 6 is isolated by a pair of mechanical seals; the upper fixed valves 8 are in one-to-one butt joint with the annular flow passages 6.

Preferably, the upper fixed valve 8 is surrounded by a reinforcing ring 7.

When the device is used specifically, taking wastewater treatment as an example, the device is connected with an external storage tank through a water inlet and a water outlet 11, a PLC cabinet 13 controls a distribution valve 14 to rotate, an upper movable valve 6 rotates, liquid flows into an annular flow passage of an upper fixed valve 8, and the liquid flow path of the upper distribution valve is not changed due to the rotation of the distribution valve 14; after entering the lower movable valve 5, the liquid sequentially enters different lower fixed valves 4 to change the pipe diameter in the process that the lower movable valve 6 sequentially rotates, and sequentially enters different adsorption columns 2; the adsorption column 2 comprises the steps of sequentially changing adsorption, water drainage, desorption, flushing and the like.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A continuous ion exchange device is characterized by comprising a cabinet body, an adsorption column, a distribution valve, a PLC control cabinet, a water inlet and a water outlet, wherein the distribution valve comprises an upper distribution valve and a lower distribution valve; the upper distribution valve is connected with an external water tank through a water inlet and a water outlet, and the lower distribution valve is in one-to-one butt joint design with the corresponding adsorption columns.

2. The continuous ion exchange unit of claim 1, wherein the upper distribution valve comprises an upper movable valve and an upper stationary valve; the upper movable valves are arranged into two groups, the upper fixed valves are correspondingly arranged into two groups, and the upper movable valves are correspondingly connected with the water inlet and the water outlet.

3. The continuous ion exchange unit of claim 2, wherein the movable valve is circumferentially arranged in annular flow channels, each annular flow channel being separated by a pair of mechanical seals; the upper fixed valve and the upper movable valve are in one-to-one butt joint with each other in the annular flow channels.

4. The continuous ion exchange unit of claim 3, wherein the upper distribution valve comprises a lower movable valve and a lower fixed valve; two groups of the lower movable valves and two groups of the upper movable valves are in one-to-one butt joint; the lower fixed valve is in one-to-one butt joint with the upper and lower ports of the adsorption valve.

5. The continuous ion exchange unit of claim 4, wherein the lower movable valve is rotated by a servo motor rotating a gear; the upper movable valve and the lower fixed valve are sealed by a lower pressing device; the pressing device controls pressing force through a pressure sensor.

6. The continuous ion exchange system of claim 5, wherein the lower stationary valve has holes that are in one-to-one correspondence with the lower movable valve, and the servo motor controls the rotation angle according to the angle sensor.