CN210193527U - Recovery equipment for waste liquid of electroplating phosphoric acid - Google Patents
Recovery equipment for waste liquid of electroplating phosphoric acid Download PDFInfo
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- CN210193527U CN210193527U CN201920450181.6U CN201920450181U CN210193527U CN 210193527 U CN210193527 U CN 210193527U CN 201920450181 U CN201920450181 U CN 201920450181U CN 210193527 U CN210193527 U CN 210193527U
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Abstract
The utility model relates to an industrial wastewater handles the field, concretely relates to recovery plant of electroplating phosphoric acid waste liquid, this recovery plant includes that oil interceptor group, first extraction device, first reextraction oil interceptor, second reextraction oil interceptor and enrichment facility, oil interceptor group and first extraction device intercommunication, first extraction device and first reextraction device intercommunication, first reextraction device and first reextraction oil interceptor intercommunication, first reextraction oil interceptor and second reextraction oil interceptor intercommunication, second reextraction oil interceptor and enrichment facility intercommunication. The utility model relates to a recovery plant of electroplating phosphoric acid waste liquid, iron, aluminium content are low to below 0.1mg/L in the phosphoric acid waste liquid after this recovery plant handles, have not only reduced treatment cost, and phosphoric acid after handling recovery can also be used back to on the production line in addition, has avoided conventional processing to discharge to the sewage station and has consumed a large amount of dephosphorization medicaments and the problem that treatment cost is high.
Description
Technical Field
The utility model relates to an industrial wastewater treatment field, concretely relates to electroplating phosphoric acid waste liquid's recovery plant.
Background
Phosphoric acid is widely used in the electroplating industry, and a waste liquid (phosphoric acid waste liquid) containing a large amount of waste phosphoric acid is discharged in the using process of the phosphoric acid, and the waste liquid contains impurities such as organic matters, iron, aluminum and the like, so that the direct discharge not only causes serious environmental pollution, but also causes great resource waste. Phosphorus is an important indicator for evaluating water quality. When the mass concentration of phosphorus in the water body exceeds 0.01mg/L, eutrophication of the water may be caused. The conventional treatment of the waste electroplating phosphoric acid liquid to a sewage station consumes a large amount of phosphorus removal agents, generates dangerous waste with high water content, wastes treatment cost and pays expensive sludge treatment cost.
Disclosure of Invention
In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a recovery device for the phosphoric acid electroplating waste liquid, the content of iron and aluminum in the phosphoric acid waste liquid treated by the recovery device is as low as below 0.1mg/L, thereby not only reducing the treatment cost, but also reusing the phosphoric acid after treatment and recovery on the production line.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a recovery plant of electroplating phosphoric acid waste liquid, this recovery plant include that oil separator group, first extraction device, first back extraction oil separator, second back extraction oil separator and enrichment facility, oil separator group and first extraction device intercommunication, first extraction device and first back extraction device intercommunication, first back extraction device and first back extraction oil separator intercommunication, first back extraction oil separator with second back extraction oil separator intercommunication, second back extraction oil separator with the enrichment facility intercommunication.
Further, the first extraction device is provided with a first inlet end, a second inlet end, a first outlet end and a second outlet end; the first back extraction device is provided with a first inlet end, a second inlet end, a first outlet end and a second outlet end; the first back-extraction oil separation tank is provided with a first inlet end and a second inlet end.
Furthermore, the oil separation tank group comprises a first oil separation tank and a second oil separation tank, the outlet end of the first oil separation tank is communicated with the inlet end of the second oil separation tank, and the first inlet end of the first extraction device is communicated with the outlet end of the second oil separation tank. Furthermore, the inlet ends and the outlet ends of the first oil separation tank and the second oil separation tank are special inlet ends and special outlet ends.
Furthermore, the recovery equipment also comprises a second extraction device, wherein the second extraction device is provided with a first inlet end, a second inlet end, a third inlet end, a fourth inlet end, a first outlet end and a second outlet end, and the first inlet end of the second extraction device is communicated with the first outlet end of the first extraction device; the first outlet end of the second extraction device is communicated with the second inlet end of the first extraction device; and a fourth inlet end of the second extraction device is communicated with a second outlet end of the second extraction device. Furthermore, a liquid level controller is arranged on the inner side of the second extraction device, and the separation of the organic phase and the aqueous phase is controlled to ensure that the extractant is brought into the aqueous phase.
Further, the first inlet end of the first stripping device is communicated with the second outlet end of the first extraction device.
Further, the recovery equipment further comprises a second back-extraction device, the second back-extraction device is provided with a first outlet end, a second outlet end and a third outlet end, and the inlet end of the second back-extraction device is communicated with the first outlet end of the first back-extraction device; the first outlet end of the second back extraction device is communicated with the second inlet end of the second extraction device, the second outlet end of the second back extraction device is communicated with the second inlet end of the first back extraction device, and the third outlet end of the second back extraction device is communicated with the third inlet end of the second extraction device.
Furthermore, first back-extraction oil separation tank is equipped with an entrance point and No. two entrance points, No. two exit ends of first back-extraction device with No. one entrance point intercommunication of first back-extraction oil separation tank, No. three exit ends of second back-extraction device with No. two entrance points intercommunication of first back-extraction oil separation tank, the exit end of first back-extraction oil separation tank with the entrance point intercommunication of second back-extraction oil separation tank.
Further, the recovery equipment also comprises a first power device, a second power device, a third power device, a fourth power device, a fifth power device and a sixth power device, wherein the first power device is arranged at the outlet end of the second oil separation tank; the second power device is communicated with the first outlet end of the second extraction device and the second outlet end of the first extraction device through a three-way pipe; the third power device is communicated with a second outlet end of the second extraction device and a first outlet end of the first extraction device through a three-way pipe; the fourth power device is communicated with the second outlet end of the first back extraction device and the third outlet end of the second back extraction device through a three-way pipe; the fifth power device is communicated with the first outlet end of the first back extraction device and the first outlet end of the second back extraction device through a three-way pipe; and the sixth power device is arranged at the outlet end of the second back-extraction oil separation tank.
Furthermore, this recovery plant still includes a plurality of automatic control device, and wherein the automatic control device who sets up No. one exit end of first extraction device and No. two exit ends is the first group, and the automatic control device who sets up No. one exit end of second extraction device and No. two exit ends is the second group, and the automatic control device who sets up No. one exit end of first back extraction device and No. two exit ends is the third group, and the automatic control device who sets up No. one exit end of second back extraction device and No. two exit ends is the fourth group.
Further, a protective layer of 200-220mm is arranged at the bottom of the inner side of the second extraction device.
Further, the second power device and the fifth power device are both organic phase special power devices, and the third power device and the fourth power device are both aqueous phase special power devices.
The beneficial effects of the utility model reside in that: the utility model relates to a recovery plant of electroplating phosphoric acid waste liquid, iron in the phosphoric acid waste liquid after this recovery plant handles, aluminium content is low to below 0.1mg/L, not only reduced treatment cost, phosphoric acid after handling recovery can also be reused on the production line in addition, avoided conventional processing to arrange the sewage station and will consume a large amount of dephosphorization medicaments to produce the dangerous wastes material that contains moisture very high, not only extravagant treatment cost still needs the problem of paying expensive sludge treatment expense.
Drawings
Fig. 1 is a schematic diagram of the mechanism of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
The reference signs are: 1-a first oil separation tank, 2-a second oil separation tank, 3-a second extraction device, 4-a first extraction device, 5-a first back extraction device, 6-a second back extraction device, 7-a first back extraction oil separation tank, 8-a second back extraction oil separation tank, 9-a concentration device, 10-a first power device, 11-a second power device, 12-a third power device, 13-a fourth power device, 14-a fifth power device and 15-a sixth power device.
Detailed Description
In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-2, which are not intended to limit the present invention.
Referring to fig. 1-2, the recovery equipment for the waste electroplating phosphoric acid liquid comprises a first oil separation tank 1, a second oil separation tank 2, a first extraction device 4, a first back-extraction device 5, a first back-extraction oil separation tank 7, a second back-extraction oil separation tank 8 and a concentration device 9. In this embodiment, the first extraction device 4 is provided with a first inlet end, a second inlet end, a first outlet end and a second outlet end; the first back extraction device 5 is provided with a first inlet end, a second inlet end, a first outlet end and a second outlet end; the first back-extraction oil separation tank 7 is provided with a first inlet end and a second inlet end. The outlet end of first oil separation tank 1 with the entrance point intercommunication of second oil separation tank 2, an entrance point of first extraction device 4 with the exit end intercommunication of second oil separation tank 2, first extraction device 4 and first back extraction device 5 intercommunication, first back extraction device 5 and first back extraction oil separation tank 7 intercommunication, first back extraction oil separation tank 7 with the entrance point intercommunication of second back extraction oil separation tank 8, the exit end of second back extraction oil separation tank 8 with the entrance point intercommunication of enrichment facility 9.
In this embodiment, the recycling equipment further includes a second extraction device 3, the second extraction device 3 is provided with a first inlet end, a second inlet end, a third inlet end, a fourth inlet end, a first outlet end and a second outlet end, and the first inlet end of the second extraction device 3 is communicated with the first outlet end of the first extraction device 4; the first outlet end of the second extraction device 3 is communicated with the second inlet end of the first extraction device 4; and a fourth inlet end of the second extraction device 3 is communicated with a second outlet end of the second extraction device 3. Furthermore, a protective layer of 200-220mm is disposed at the bottom of the inner side of the second extraction device 3. Furthermore, a liquid level controller is arranged inside the second extraction device 3, and the separation of the organic phase and the aqueous phase is controlled to ensure that the extractant is carried into the aqueous phase.
The phosphoric acid waste liquid in the recovery device can well remove impurities such as organic matters through twice oil separation tank treatment, and the inlet and outlet ends of the first oil separation tank 1 and the second oil separation tank 2 are special inlet and outlet ends, so that the condition that organic phases are mixed in the water phase can be avoided, the extraction and separation efficiency and the product quality are improved, and the loss of the organic phases is ensured. Through first extraction device 4 and the extraction of second extraction device 3 circulation, can the high efficiency with iron in the phosphoric acid waste liquid, impurity separation such as aluminium in the organic phase, play the edulcoration effect, this kind of connected mode has avoided the extractant to smuggle simultaneously, has effectively practiced thrift extractant and quantity, has improved the quality of retrieving the product.
In this embodiment, the first inlet end of the first stripping device 5 is communicated with the second outlet end of the first extraction device 4.
In this embodiment, the recycling equipment further comprises a second back-extraction device 6, the second back-extraction device 6 is provided with a first outlet end, a second outlet end and a third outlet end, and the inlet end of the second back-extraction device 6 is communicated with the first outlet end of the first back-extraction device 5; the first outlet end of the second back extraction device 6 is communicated with the second inlet end of the second extraction device 3, the second outlet end of the second back extraction device 6 is communicated with the second inlet end of the first back extraction device 5, and the third outlet end of the second back extraction device 6 is communicated with the third inlet end of the second extraction device 3.
In this embodiment, the first back-extraction oil separation tank 7 is provided with a first inlet end and a second inlet end, the second outlet end of the first back-extraction device 5 is communicated with the first inlet end of the first back-extraction oil separation tank 7, the third outlet end of the second back-extraction device 6 is communicated with the second inlet end of the first back-extraction oil separation tank 7, and the outlet end of the first back-extraction oil separation tank 7 is communicated with the inlet end of the second back-extraction oil separation tank 8.
In the recycling device of the embodiment, the treatment solution of the phosphoric acid wastewater after the secondary recycling extraction treatment is subjected to the secondary recycling back extraction treatment to obtain the extractant which can be recycled for the first extraction and the second extraction, and in addition, part of the phosphoric acid wastewater which is not completely treated after passing through the second back extraction device 6 can be conveyed to the second extraction device 3 to be continuously recycled until the treatment reaches the standard. The connection mode avoids the entrainment of the back extractant, effectively saves the consumption of the back extractant and improves the quality of the recovered product.
In this embodiment, the recycling equipment further includes a first power device 10, a second power device 11, a third power device 12, a fourth power device 13, a fifth power device 14, and a sixth power device 15, preferably, the first power device 10, the second power device 11, the third power device 12, the fourth power device 13, the fifth power device 14, and the sixth power device 15 are all electric pumps, and the first power device 10 is disposed at the outlet end of the second oil separation tank 2 and is used for conveying the waste liquid entering the second oil separation tank 2 to the first extraction device 4; the second power device 11 is communicated with the first outlet end of the second extraction device 3 and the second outlet end of the first extraction device 4 through a three-way pipe and is used for conveying the waste liquid entering the second outlet end of the first extraction device 4 and the first outlet end of the second extraction device 3 to the next treatment device; the third power device 12 is communicated with a second outlet end of the second extraction device 3 and a first outlet end of the first extraction device 4 through a three-way pipe and is used for conveying the waste liquid entering the first outlet end of the first extraction device 4 and the second outlet end of the second extraction device 3 to a next treatment device; the fourth power device 13 is communicated with the second outlet end of the first back extraction device 5 and the third outlet end of the second back extraction device 6 through a three-way pipe, and is used for conveying the waste liquid entering the second outlet end of the first back extraction device 5 and the third outlet end of the second back extraction device 6 to a next treatment device; the fifth power device 14 is communicated with the first outlet end of the first back extraction device 5 and the first outlet end of the second back extraction device 6 through a three-way pipe; and the sixth power device 15 is arranged at the outlet end of the second back-extraction oil separation tank 8 and is used for conveying the waste liquid entering the first outlet end of the first back-extraction device 5 and the first outlet end of the second back-extraction device 6 to the next treatment device.
In this embodiment, the second power device 11 and the fifth power device 14 are both organic phase dedicated power devices, and the third power device 12 and the fourth power device 13 are both aqueous phase dedicated power devices, so that the organic phase and aqueous phase dedicated power devices are realized, and the problem that the quality of recovered products is affected by mixing organic phases in aqueous phases is avoided.
In this embodiment, the recycling apparatus further includes a plurality of automatic control devices, preferably, the automatic control devices are electromagnetic control valves, wherein the automatic control devices disposed at the first outlet end and the second outlet end of the first extraction device 4 are a first group, the automatic control devices disposed at the first outlet end and the second outlet end of the second extraction device 3 are a second group, the automatic control devices disposed at the first outlet end and the second outlet end of the first back-extraction device 5 are a third group, and the automatic control devices disposed at the first outlet end and the second outlet end of the second back-extraction device 6 are a fourth group.
The four sets of automatic control devices that set up among the recovery unit of this embodiment have realized the separation of organic phase and aqueous phase and have flowed out, have avoided being withdrawed the condition of thoughtlessly having the organic phase in aqueous phase when handling, have improved the efficiency of extraction separation and the quality of retrieving the product, have guaranteed simultaneously that the organic phase is in recycling always, have avoided the loss of organic phase, and a plurality of automatic control devices that set up simultaneously have realized recovery unit's automation.
The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.
Claims (10)
1. The utility model provides a recovery plant of electroplating phosphoric acid waste liquid which characterized in that: this recovery plant includes oil interceptor group, first extraction device, first back extraction oil interceptor, second back extraction oil interceptor and enrichment facility, oil interceptor group and first extraction device intercommunication, first extraction device and first back extraction device intercommunication, first back extraction device and first back extraction oil interceptor intercommunication, first back extraction oil interceptor with second back extraction oil interceptor intercommunication, second back extraction oil interceptor with the enrichment facility intercommunication.
2. The recycling apparatus of phosphoric acid electroplating waste liquid according to claim 1, characterized in that: the first extraction device is provided with a first inlet end, a second inlet end, a first outlet end and a second outlet end; the first back extraction device is provided with a first inlet end, a second inlet end, a first outlet end and a second outlet end; the first back-extraction oil separation tank is provided with a first inlet end and a second inlet end.
3. The recycling apparatus of the phosphoric acid electroplating waste liquid according to claim 2, characterized in that: the oil separation tank group comprises a first oil separation tank and a second oil separation tank, the outlet end of the first oil separation tank is communicated with the inlet end of the second oil separation tank, and the first inlet end of the first extraction device is communicated with the outlet end of the second oil separation tank.
4. The recycling apparatus of the phosphoric acid electroplating waste liquid according to claim 2, characterized in that: the recovery equipment further comprises a second extraction device, wherein the second extraction device is provided with a first inlet end, a second inlet end, a third inlet end, a fourth inlet end, a first outlet end and a second outlet end, and the first inlet end of the second extraction device is communicated with the first outlet end of the first extraction device; the first outlet end of the second extraction device is communicated with the second inlet end of the first extraction device; and a fourth inlet end of the second extraction device is communicated with a second outlet end of the second extraction device.
5. The recycling apparatus of the phosphoric acid electroplating waste liquid according to claim 2, characterized in that: and the first inlet end of the first back extraction device is communicated with the second outlet end of the first extraction device.
6. The recycling apparatus of phosphoric acid electroplating waste liquid according to claim 4, characterized in that: the recovery equipment further comprises a second back-extraction device, the second back-extraction device is provided with a first outlet end, a second outlet end and a third outlet end, and the inlet end of the second back-extraction device is communicated with the first outlet end of the first back-extraction device; the first outlet end of the second back extraction device is communicated with the second inlet end of the second extraction device, the second outlet end of the second back extraction device is communicated with the second inlet end of the first back extraction device, and the third outlet end of the second back extraction device is communicated with the third inlet end of the second extraction device.
7. The recycling apparatus of phosphoric acid electroplating waste liquid according to claim 6, characterized in that: the first back-extraction oil separation tank is provided with a first inlet end and a second inlet end, a second outlet end of the first back-extraction device is communicated with the first inlet end of the first back-extraction oil separation tank, a third outlet end of the second back-extraction device is communicated with the second inlet end of the first back-extraction oil separation tank, and an outlet end of the first back-extraction oil separation tank is communicated with the inlet end of the second back-extraction oil separation tank.
8. The recycling apparatus of phosphoric acid electroplating waste liquid according to claim 6, characterized in that: the recovery equipment also comprises a first power device, a second power device, a third power device, a fourth power device, a fifth power device and a sixth power device, wherein the first power device is arranged at the outlet end of the second oil separation tank; the second power device is communicated with the first outlet end of the second extraction device and the second outlet end of the first extraction device through a three-way pipe; the third power device is communicated with a second outlet end of the second extraction device and a first outlet end of the first extraction device through a three-way pipe; the fourth power device is communicated with the second outlet end of the first back extraction device and the third outlet end of the second back extraction device through a three-way pipe; the fifth power device is communicated with the first outlet end of the first back extraction device and the first outlet end of the second back extraction device through a three-way pipe; and the sixth power device is arranged at the outlet end of the second back-extraction oil separation tank.
9. The recycling apparatus of phosphoric acid electroplating waste liquid according to claim 4, characterized in that: the inner bottom of the second extraction device is provided with a protective layer of 200-220 mm.
10. The recycling apparatus of phosphoric acid electroplating waste liquid according to claim 8, characterized in that: the second power device and the fifth power device are both organic phase special power devices, and the third power device and the fourth power device are both aqueous phase special power devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920450181.6U CN210193527U (en) | 2019-04-03 | 2019-04-03 | Recovery equipment for waste liquid of electroplating phosphoric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920450181.6U CN210193527U (en) | 2019-04-03 | 2019-04-03 | Recovery equipment for waste liquid of electroplating phosphoric acid |
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| CN210193527U true CN210193527U (en) | 2020-03-27 |
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| CN201920450181.6U Active CN210193527U (en) | 2019-04-03 | 2019-04-03 | Recovery equipment for waste liquid of electroplating phosphoric acid |
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| CN (1) | CN210193527U (en) |
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- 2019-04-03 CN CN201920450181.6U patent/CN210193527U/en active Active
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