CN205634990U - Hexavalent chromium ion system among anion exchange resin processing electroplating effluent - Google Patents
Hexavalent chromium ion system among anion exchange resin processing electroplating effluent Download PDFInfo
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- CN205634990U CN205634990U CN201620458240.0U CN201620458240U CN205634990U CN 205634990 U CN205634990 U CN 205634990U CN 201620458240 U CN201620458240 U CN 201620458240U CN 205634990 U CN205634990 U CN 205634990U
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- storage tank
- adsorption column
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- liquid
- exchange resin
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Abstract
The utility model discloses a hexavalent chromium ion system among anion exchange resin processing electroplating effluent, include: chromium -containing wastewater groove, stripping liquid collecting vat, a plurality of groups adsorption column, regeneration liquid storage tank, transition liquid storage tank and wash the water storage tank, be equipped with outlet pipe and inlet tube on the chromium -containing wastewater groove, including water inlet and delivery port on the adsorption column, the outlet pipe passes through the pipeline and links to each other with the water inlet, and form with the adsorption column and be connected, the delivery port passes through the parallelly connected delivery pipe that forms of pipeline. The utility model discloses a multiunit adsorption column, multi -purpose one is equipped with, and the operation of series connection full load mode makes resin adsorption capacity be close the high capacity state, guarantees out under the water condition up to standard effectual, improves stripping liquid concentration.
Description
Technical field
This utility model relates to a kind of technical field of waste water processing, is specifically related to a kind of anion
Exchanger resin processes hexavalent chromium system in electroplating wastewater.
Background technology
According to statistics, whole nation electroplating wastewater annual emissions is up to 4,000,000,000 tons.Electroplating wastewater is main
Pollutant are heavy metal ion, consider the factors such as wastewater flow rate, toxicity, difficulty of governance,
Then containing Cr (VI) electroplating wastewater is primary pollutant.Cr (VI) is a kind of carcinogenic, teratogenesis, cause
The extremely toxic substance of sudden change, bigger than Cr (III) 100 times of toxicity, it is classified as what a class controlled by country
Pollutant.Cr (VI) in waste water with pH value difference respectively with CrO3, CrO42-,
The forms such as Cr2O72-exist, owing to harmful substance contents is high, and complicated component, thus result in
Treatment technology difficulty is relatively big, and surrounding causes serious threat.At present, domestic generally
Using chemical precipitation method to process Cr (VI) electroplating wastewater, the method processing cost is the highest, with
Time unavoidably produce secondary pollution chromium-bearing sludge (this mud is hazardous waste), plating
Mud has become a great problem that social environment is administered.
Utility model content
This utility model is for the problems referred to above, and the purpose of this utility model is to provide one again
The hexavalent chromium plating Waste Water Treatment that raw ability is high, adsorptivity by force, does not produce mud.Can
Effectively remove the hexavalent chromium in waste water, Cr (VI) concentration in the waste water after adsorption treatment
Reach discharging standards.
The technical scheme in the invention for solving the above technical problem is:
Hexavalent chromium system in a kind of anion exchange resin process electroplating wastewater, including:
Chromate waste water groove, stripping liquid collecting tank, some groups of adsorption columns, regenerated liquid storage tank, liquid transition
Storage tank and rinse water storage tank, described chromate waste water groove is provided with outlet pipe and water inlet pipe, described
Including water inlet and outlet on adsorption column, described outlet pipe passes through pipeline and water inlet phase
Even, being formed with adsorption column and be connected, described outlet forms delivery pipe by pipeline parallel connection.
Further, being additionally provided with feed liquor house steward, feed liquor arm is passed through in described feed liquor house steward side
Respectively at regenerated liquid storage tank, transition liquid storage tank be connected with rinse water storage tank, the other end pass through into
Liquid is in charge of and is connected with water inlet, by adsorption column, regenerated liquid storage tank, liquid storage tank transition and cleaning
Water storage tank is connected.
Further, also include liquid house steward, described in go out liquid house steward side and be in charge of by going out liquid
Water inlet on adsorption column is connected, and the other end is conciliate with water inlet pipe by going out liquid arm
Imbibition collecting tank is connected, and chromate waste water groove, stripping liquid collecting tank and adsorption column is connected.
Further, described adsorption column is resin anion (R.A.) adsorption column.
Further, described chromate waste water groove, regenerated liquid storage tank, liquid storage tank transition and cleaning
Water storage tank is provided with water pump.
The utility model has the advantages that:
1. this utility model simple in construction, easy to assembly, Stability Analysis of Structures is durable in use；
2. this utility model processing system uses and organizes adsorption column more, multiplex one standby, connects
Full load mode is run, make resin absorption capacity close to high load condition,
In the case of effective guarantee standard water discharge, improve stripping liquid concentration.
In addition to objects, features and advantages described above, this utility model also has it
Its objects, features and advantages.Below with reference to figure, this utility model is made the most in detail
Thin explanation.
Accompanying drawing explanation
Constitute the part of this specification, be used for being further appreciated by accompanying drawing of the present utility model and show
Go out preferred embodiment of the present utility model, and be used for illustrating that this practicality is new together with description
The principle of type.In the accompanying drawings:
Fig. 1 is the structural representation of processing system of the present utility model.
Wherein, figure is labeled as:
10 be chromate waste water groove, 11 for outlet pipe, 12 for water inlet pipe, 20 for stripping liquid receipts
Integrate groove, 30 as adsorption column, 31 as water inlet, 32 as outlet, 33 as delivery pipe, 40
For regenerated liquid storage tank, 50 for transition liquid storage tank, 60 be rinse water storage tank, 70 be feed liquor total
Pipe, 71 be feed liquor arm, 72 be liquid feeding sub-tube, 80 for going out liquid house steward, 81 dividing for going out liquid
Pipe, 82 for going out liquid arm, 90 for water pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but this reality
Implement by the novel multitude of different ways that can be defined by the claims and cover.
With reference to Fig. 1, in a kind of anion exchange resin process electroplating wastewater as shown in Figure 1
Hexavalent chromium system, including chromate waste water groove 10, stripping liquid collecting tank 20,3 groups absorption
Post 30, regenerated liquid storage tank 40, liquid storage tank 50 transition and rinse water storage tank 60, described containing chromium
Wastewater trough 10 is provided with outlet pipe 11 and water inlet pipe 12, described adsorption column 30 includes into
The mouth of a river 31 and outlet 32, described outlet pipe 11 is connected with water inlet 21 by pipeline,
Being formed with adsorption column 30 and be connected in series, described outlet 32 forms discharge by placed in series
Pipe 13.
Being additionally provided with feed liquor house steward 70, feed liquor arm 71 points is passed through in described feed liquor house steward 70 side
It is not connected with rinse water storage tank 60 in regenerated liquid storage tank 40, liquid storage tank 50 transition, the other end
Be connected with water inlet 31 by liquid feeding sub-tube 72, by adsorption column 30, regenerated liquid storage tank 40,
Transition liquid storage tank 50 and rinse water storage tank 60 connect.
Also include liquid house steward 80, described in go out liquid house steward 80 one end by go out liquid be in charge of 81 with
Water inlet 31 on adsorption column 30 is connected, and the other end is by going out liquid arm 82 and water inlet pipe
12 are connected with stripping liquid collecting tank 20, by chromate waste water groove 10, stripping liquid collecting tank 20
Connect with adsorption column 30.
Described adsorption column 30 is resin anion (R.A.) adsorption column
Described chromate waste water groove 40, regenerated liquid storage tank 50, liquid storage tank 60 transition and rinse water
Storage tank 70 is provided with water pump 90.
Operationally, this utility model passes through 3 groups of adsorption columns, and wherein two groups is primary, and one
Organizing standby, use full saturation mode of connecting to run, the waste water in chrome waste water groove passes through pump from upper
Squeezing into adsorption column under and, waste water is introduced into first group of adsorption column, then second group through series connection
Adsorption column, discharges after fully absorption, after first group of adsorption column absorption is saturated,
By second group of adsorption column and the 3rd group of adsorption column series connection, first group of adsorption column carries out desorbing again
Raw, after waiting second group of adsorption column absorption saturated, by the 3rd group of adsorption column and first regenerated
Group adsorption column series connection, second group of adsorption column carries out desorption and regeneration, waits the 3rd group of adsorption column absorption
After saturated, first group of adsorption column and the second group of adsorption column regenerated are connected, the 3rd group of suction
Attached column carries out desorption and regeneration；Such two post series circulation operations, have fully ensured adsorption treatment
In rear water outlet, Cr (VI) concentration reaches discharging standards less than 0.2mg/L, also can simultaneously
Make resin give full play to exchange capacity, reach maximum adsorption capacity.
1) need to carry out desorption and regeneration after adsorption column absorption is saturated, first with cleaning before regeneration
Water is rinsed, and rinse water water pump is entered adsorption column by rinse water storage tank,
Wash out water and flow into chrome waste water groove, wait out clarification of water；
2) proceeding by regeneration, the regenerative agent in regenerated liquid storage tank is entered by water pump to be inhaled
Attached column carries out desorption and regeneration, and stripping liquid flows into stripping liquid collecting tank, and solution sucks
Again it is carried out after Biing；
3) carrying out the transition of resin, agent transition made the transition in liquid storage tank is entered by water pump
Adsorption column makes the transition, and is again carried out after transition, the most stand-by.
These are only preferred embodiment of the present utility model, be not limited to this practicality
Novel, for a person skilled in the art, this utility model can have various change and
Change.All within spirit of the present utility model and principle, any amendment of being made, equivalent
Replacement, improvement etc., within should be included in protection domain of the present utility model.
Claims (5)
1. hexavalent chromium system in an anion exchange resin process electroplating wastewater, it is characterized in that, including chromate waste water groove (10), stripping liquid collecting tank (20), some groups of adsorption columns (30), regenerated liquid storage tank (40), liquid storage tank transition (50) and rinse water storage tank (60), described chromate waste water groove (10) is provided with outlet pipe (11) and water inlet pipe (12), water inlet (31) and outlet (32) is included on described adsorption column (30), described outlet pipe (11) is connected with water inlet (21) by pipeline, formed with adsorption column (30) and be connected, described outlet (32) forms delivery pipe (13) by pipeline parallel connection.
Hexavalent chromium system in anion exchange resin process electroplating wastewater the most according to claim 1, it is characterized in that, it is additionally provided with feed liquor house steward (70), described feed liquor house steward (70) side is connected with regenerated liquid storage tank (40), liquid storage tank transition (50) and rinse water storage tank (60) respectively by feed liquor arm (71), the other end is connected with water inlet (31) by liquid feeding sub-tube (72), by adsorption column (30), regenerated liquid storage tank (40), liquid storage tank transition (50) and rinse water storage tank (60) series connection.
Hexavalent chromium system in anion exchange resin process electroplating wastewater the most according to claim 1, it is characterized in that, also include liquid house steward (80), described go out liquid house steward (80) one end be in charge of (81) and being connected except the mouth of a river (32) on adsorption column (30) by going out liquid, the other end is connected with water inlet pipe (12) and stripping liquid collecting tank (20) by going out liquid arm (82), chromate waste water groove (10), stripping liquid collecting tank (20) and adsorption column (30) is connected.
Hexavalent chromium system in anion exchange resin process electroplating wastewater the most according to claim 1, it is characterised in that described adsorption column (30) is resin anion (R.A.) adsorption column.
Hexavalent chromium system in anion exchange resin process electroplating wastewater the most according to claim 1, it is characterized in that, described chromate waste water groove (10), regenerated liquid storage tank (40), liquid storage tank transition (50) and rinse water storage tank (60) are provided with water pump (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620458240.0U CN205634990U (en) | 2016-05-18 | 2016-05-18 | Hexavalent chromium ion system among anion exchange resin processing electroplating effluent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620458240.0U CN205634990U (en) | 2016-05-18 | 2016-05-18 | Hexavalent chromium ion system among anion exchange resin processing electroplating effluent |
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| CN205634990U true CN205634990U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620458240.0U Expired - Fee Related CN205634990U (en) | 2016-05-18 | 2016-05-18 | Hexavalent chromium ion system among anion exchange resin processing electroplating effluent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587260A (en) * | 2016-11-21 | 2017-04-26 | 国佳环境科技湖北连锁有限公司 | Resource utilization process of electroplating wastewater containing chromium |
| CN107089703A (en) * | 2017-05-19 | 2017-08-25 | 深圳市深投环保科技有限公司 | Hierarchy type Waste Water Treatment |
| CN114751486A (en) * | 2021-12-28 | 2022-07-15 | 中国启源工程设计研究院有限公司 | Device and method for recovering chromic acid from high-concentration chromium-containing wastewater in electroplating centralized control area through resin adsorption |
-
2016
- 2016-05-18 CN CN201620458240.0U patent/CN205634990U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587260A (en) * | 2016-11-21 | 2017-04-26 | 国佳环境科技湖北连锁有限公司 | Resource utilization process of electroplating wastewater containing chromium |
| CN107089703A (en) * | 2017-05-19 | 2017-08-25 | 深圳市深投环保科技有限公司 | Hierarchy type Waste Water Treatment |
| CN114751486A (en) * | 2021-12-28 | 2022-07-15 | 中国启源工程设计研究院有限公司 | Device and method for recovering chromic acid from high-concentration chromium-containing wastewater in electroplating centralized control area through resin adsorption |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |