CN216727296U - Recovery device for flushing fluid of ion exchange column - Google Patents
Recovery device for flushing fluid of ion exchange column Download PDFInfo
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- CN216727296U CN216727296U CN202220428502.4U CN202220428502U CN216727296U CN 216727296 U CN216727296 U CN 216727296U CN 202220428502 U CN202220428502 U CN 202220428502U CN 216727296 U CN216727296 U CN 216727296U
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Abstract
The utility model relates to an ion exchange column flushing fluid recovery device, and belongs to the technical field of recovery devices. Comprises an ion exchange column, a detector, a concentration device and an acid preparation tank; the top of the ion exchange column is connected with a liquid inlet pipeline; the bottom of the ion exchange column is connected with a liquid outlet pipeline; a detector is arranged on the liquid outlet pipeline; the detector is connected with the liquid return pipeline I; the detector is respectively connected with the concentration device and the acid preparation tank; the first liquid return pipeline is connected with the liquid inlet pipeline; the acid preparation tank is connected with the liquid inlet pipeline through a liquid return pipeline II; and the liquid inlet pipeline, the liquid return pipeline I, the liquid return pipeline II and the liquid outlet pipeline are provided with valves. The utility model can reduce the dosage of the flushing liquid and the dilute sulfuric acid, and effectively achieves the effect of energy saving. Through multiple batch cost calculation, the product cost can be reduced by 34 yuan/ton.
Description
Technical Field
The utility model relates to the technical field of recovery devices, in particular to an ion exchange column flushing fluid recovery device.
Background
Continuous ion exchange systems are systems that use resins to remove ions and, when the resins fail, they are regenerated using a rinse solution and dilute sulfuric acid. In general, the washing liquid is not used after being used once, and the part of the washing liquid can be reused because the concentration of impurity ions is not high; while 5% dilute sulfuric acid is needed when the ionic resin is activated, water is needed to be fed for washing after the resin is activated by the dilute sulfuric acid, the dilute acid with higher concentration in the washing water is discharged, and the acid is not fully recycled. The washing liquid and the dilute sulfuric acid are usually used in large amounts, and the liquid is fully utilized, so that the effects of energy conservation and consumption reduction are great.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for recovering washing liquid of an ion exchange column, aiming at solving the problem that the washing acid liquid in the prior art cannot be fully utilized.
The technical method comprises the following steps:
an ion exchange column flushing fluid recovery device comprises an ion exchange column, a detector, a concentration device and an acid preparation tank; the top of the ion exchange column is connected with a liquid inlet pipeline; the bottom of the ion exchange column is connected with a liquid outlet pipeline; a detector is arranged on the liquid outlet pipeline; the detector is connected with the liquid return pipeline I; the detector is respectively connected with the concentration device and the acid preparation tank; the first liquid return pipeline is connected with the liquid inlet pipeline; the acid preparation tank is connected with the liquid inlet pipeline through a liquid return pipeline II; and the liquid inlet pipeline, the liquid return pipeline I, the liquid return pipeline II and the liquid outlet pipeline are provided with valves.
Further, the concentration device is a membrane concentration device. The flushing liquid passes through the membrane concentration device, can get rid of ion in the flushing liquid effectively, has guaranteed to contain the ion of lower concentration in the discharged waste water.
Further, the detector is an online ion detector. And judging whether the flushing liquid can return to the ion exchange column again for secondary elution operation or not by detecting the concentration of the eluted ions in the flushing liquid of the liquid outlet pipeline. When the concentration of the eluted ions is low, the washing liquid can be returned to the ion exchange column to be continuously eluted, and when the concentration of the ions is high, the washing liquid is transferred to a concentration device to be concentrated.
Further, the membrane concentration device is connected with a waste liquid tank.
Further, the valve is a pneumatic valve.
Furthermore, the detector controls the opening and closing of the valve through an electric signal. When the ion content in the flushing liquid is detected to be higher, the valve of the first liquid return pipeline is automatically closed, the valve of the concentration device is automatically opened, and the flushing liquid can enter the concentration device to be desalted. Thus avoiding the inconvenience brought by manual operation.
The working principle of the utility model is as follows: when the ion exchange column is cleaned and activated, flushing fluid enters the ion exchange column from a liquid inlet pipeline, a detector is responsible for detecting the concentration of eluted ions in a liquid outlet pipeline, when the concentration of the eluted ions is low, a valve of a liquid return pipeline is opened, and the flushing fluid returns to the ion exchange column to be continuously eluted; when the ion concentration is higher, closing a valve of the liquid return pipeline, and opening a valve of the concentration device to enable the flushing liquid to carry out desalination treatment in the concentration device; after the ion exchange column was eluted, the column was activated with 5% dilute sulfuric acid and the process was repeated. After the activation is finished, the valve of the acid preparation tank is started, the sulfuric acid enters the acid preparation tank, the concentration of the sulfuric acid is reduced to about 3%, and after the concentration of the sulfuric acid is increased to 5% by supplementing concentrated sulfuric acid, the sulfuric acid can be continuously used in the next activation.
The utility model has the beneficial effects that:
the utility model can reduce the dosage of the flushing liquid and the dilute sulfuric acid, and effectively achieves the effect of energy saving. Through multiple batch cost calculation, the product cost can be reduced by 34 yuan/ton.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
In the figure, 1-ion exchange column, 2-liquid inlet pipeline, 3-detector, 4-liquid return pipeline I, 5-concentration device, 6-acid preparation tank, 7-waste liquid tank, 8-liquid return pipeline II, 9-liquid outlet pipeline.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
An ion exchange column flushing fluid recovery device comprises an ion exchange column 1, a detector 3, a concentration device 5 and an acid preparation tank 6; the top of the ion exchange column 1 is connected with a liquid inlet pipeline 2; the bottom of the ion exchange column 1 is connected with a liquid outlet pipeline 9; the liquid outlet pipeline 9 is provided with a detector 3; the detector 3 is connected with a first liquid return pipeline 4; the detector 3 is respectively connected with the concentration device 5 and the acid preparation tank 6; the first liquid return pipeline 4 is connected with the liquid inlet pipeline 2; the acid preparation tank 6 is connected with the liquid inlet pipeline 2 through a liquid return pipeline II 8; and the liquid inlet pipeline 2, the first liquid return pipeline 4, the second liquid return pipeline 8 and the liquid outlet pipeline 9 are all provided with valves.
Example 2
An ion exchange column flushing fluid recovery device comprises an ion exchange column 1, a detector 3, a concentration device 5 and an acid preparation tank 6; the top of the ion exchange column 1 is connected with a liquid inlet pipeline 2; the bottom of the ion exchange column 1 is connected with a liquid outlet pipeline 9; the liquid outlet pipeline 9 is provided with a detector 3, and the detector 3 is an online ion detector; the detector 3 is connected with a first liquid return pipeline 4; the detector 3 is respectively connected with a concentration device 5 and an acid preparation tank 6, and the concentration device 5 is a membrane concentration device; the first liquid return pipeline 4 is connected with the liquid inlet pipeline 2; the acid preparation tank 6 is connected with the liquid inlet pipeline 2 through a liquid return pipeline II 8, and the membrane concentration device 5 is connected with a waste liquid tank 7; the liquid inlet pipeline 2, the first liquid return pipeline 4, the second liquid return pipeline 8 and the liquid outlet pipeline 9 are all provided with valves, the valves are pneumatic valves, and the detector 3 controls the valves to be switched on and off through electric signals.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. An ion exchange column flushing fluid recovery device is characterized by comprising an ion exchange column, a detector, a concentration device and an acid preparation tank; the top of the ion exchange column is connected with a liquid inlet pipeline; the bottom of the ion exchange column is connected with a liquid outlet pipeline; a detector is arranged on the liquid outlet pipeline; the detector is connected with the liquid return pipeline I; the detector is respectively connected with the concentration device and the acid preparation tank; the first liquid return pipeline is connected with the liquid inlet pipeline; the acid preparation tank is connected with the liquid inlet pipeline through a liquid return pipeline II; and the liquid inlet pipeline, the liquid return pipeline I, the liquid return pipeline II and the liquid outlet pipeline are provided with valves.
2. The ion exchange column rinse recovery apparatus of claim 1, wherein the concentration device is a membrane concentration device.
3. The ion exchange column rinse recovery apparatus of claim 1, wherein the detector is an in-line ion detector.
4. The apparatus for recovering rinse solution from an ion exchange column according to claim 2, wherein said membrane concentration unit is connected to a waste solution tank.
5. The ion exchange column rinse recovery apparatus of claim 1, wherein the valve is a pneumatic valve.
6. The apparatus for recovering rinse solution from an ion exchange column according to claim 1, wherein said detector controls the opening and closing of the valve by an electrical signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220428502.4U CN216727296U (en) | 2022-02-28 | 2022-02-28 | Recovery device for flushing fluid of ion exchange column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220428502.4U CN216727296U (en) | 2022-02-28 | 2022-02-28 | Recovery device for flushing fluid of ion exchange column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216727296U true CN216727296U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220428502.4U Active CN216727296U (en) | 2022-02-28 | 2022-02-28 | Recovery device for flushing fluid of ion exchange column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216727296U (en) |
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2022
- 2022-02-28 CN CN202220428502.4U patent/CN216727296U/en active Active
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