CN217173475U

CN217173475U - Continuous regenerating device for degreasing and dewaxing bath solution

Info

Publication number: CN217173475U
Application number: CN202122956524.6U
Authority: CN
Inventors: 胡明辉
Original assignee: Guangzhou Ruicheng Technology Co ltd
Current assignee: Guangzhou Ruicheng Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-08-12
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to a bath solution treatment system, in particular to a continuous regeneration device for degreasing and dewaxing bath solution, which comprises a main bath, an overflow bath, an electrolytic bath, an oil separation bath, a filtering mechanism and a filter press, wherein the main bath is filled with bath solution, and the treatment ways of the bath solution are two; the first way is that an overflow port is arranged on one side of the upper end of the main tank, the tank liquor enters the overflow tank through the overflow port, then enters the electrolytic tank, the oil separation tank and the filtering mechanism in sequence, and the tank liquor after being respectively treated by electrolysis, oil separation and filtering enters the main tank again for use; the second approach is that the lower end of the main tank is provided with a pipeline connected to a filter press, the filter press performs filter pressing treatment on the tank liquor, and the treated tank liquor enters the main tank again for use. The two ways are matched to separate and purify the pollutants in the tank liquor in time, so that the consumption of the pollutants on the surfactant is reduced, the activity of the effective components of the tank liquor is reserved, and the continuous regeneration and use of the tank liquor are ensured.

Description

Continuous regenerating device for degreasing and dewaxing bath solution

Technical Field

The utility model relates to a tank liquor processing system, concretely relates to deoiling, wax removal tank liquor continuous regeneration device.

Background

The wax and oil removing groove of a surface treatment enterprise is a process for removing polishing wax and oil stain on a base material workpiece to be electroplated or coated in an electroplating or coating process. The process comprises the steps of preparing a degreasing agent to a certain concentration, soaking a workpiece in bath solution at 40-80 ℃, and removing polishing wax scale and oil stain on a base material workpiece through chemical action or ultrasonic action. The removed polishing wax scale and oil stain are stripped or emulsified in a wax removing and oil removing tank.

At present, no bath liquid purification device concerning wax removal and oil removal grooves or an effective bath liquid purification device is provided for surface treatment enterprises. In the production process of surface treatment enterprises, due to the accumulation of polishing wax scale and oil stain, the tank liquid is gradually polluted and dirtied, the performance of the tank liquid is deteriorated, and the enterprise can only completely update the tank liquid to meet the quality requirements of enterprise production. If not renewed, the gradual accumulation of contaminants in the bath solution can gradually affect the quality of the surface treatment product. If the bath solution is updated, a plurality of effective components in the bath solution are directly poured, so that great waste is caused; the tank liquor can only flow into a sewage treatment station and is discharged after reaching the standard after being treated by sewage; the tank liquor has high COD content and strong alkalinity, the treatment cost of standard discharge of a wastewater treatment system is required, the treated solid waste amount is large, and the environment is polluted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the device for continuously regenerating the degreasing and dewaxing bath solution is provided, wherein the degreasing and dewaxing bath solution can be continuously regenerated and recycled.

The utility model discloses a following technical scheme realizes:

a continuous regeneration device for degreasing and dewaxing bath solution comprises a main bath, an overflow bath, an electrolytic bath, an oil separating groove, a filtering mechanism and a filter press, wherein the main bath is used for accommodating the bath solution to be treated, a solution guide channel is formed between the bath walls of the electrolytic bath and the oil separating groove, the height of the oil separating groove is lower than that of the electrolytic bath, solution passing holes are formed in the peripheral side of the electrolytic bath, close to the bottom wall of the electrolytic bath, and are communicated with the solution guide channel, so that the bath solution in the electrolytic bath flows into the solution guide channel from the solution passing holes and overflows from the top of the solution guide channel and flows into the oil separating groove; an overflow port is arranged on one side of the upper end of the main tank; the lower end of the main tank is provided with a pipeline connected to a filter press.

Furthermore, a coarse filter screen is arranged in the oil separation tank and is used for filtering floating oil and floating wax of the tank liquor.

Furthermore, the coarse filter screen separates the oil separating tank into a front compartment and a rear compartment, and the rear compartment is communicated to the filter press through a pipeline.

Furthermore, a stirrer is arranged in the electrolytic cell and used for stirring the cell liquid.

Furthermore, activated carbon is placed in the electrolytic cell and is used for carrying out activated carbon adsorption treatment on the cell liquor.

Further, the overflow port is provided with a grid for blocking inflow of solid substances.

Furthermore, the filtering mechanism adopts multi-stage filtering, and a pipeline is arranged after each stage of filtering and connected to the filter press.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model is provided with two bath solution treatment ways, wherein the first way is to carry out continuous electrolysis, oil separation and filtration treatment on the bath solution of the de-waxing and de-oiling cleaning tank, electrolyze to remove metal ions, separate oil and separate oil stain, and filter to remove pollutants of emulsification solubilization; the second way is to pump the tank liquor containing solid pollutants at the bottom of the main tank to a filter press for intermittent filter pressing treatment. The two ways are matched to separate and purify the pollutants in the tank liquor in time, so that the consumption of the pollutants on the surfactant is reduced, the activity of the effective components of the tank liquor is reserved, and the continuous regeneration and use of the tank liquor are ensured.

2. Be provided with agitator and active carbon in the electrolysis trough, through the preliminary greasy dirt class pollutant of getting rid of in the tank liquor of active carbon treatment, reach the purpose of purifying the tank liquor, and the produced gas of electrode at the circular telegram in-process carries tiny oil droplet to the tank liquor surface to reach the purpose of further purifying the tank liquor.

3. Adopt the multiple-stage filtration mode, increase filtering mechanism according to the actual demand and carry out the gradient and filter, can effectively filter the pollutant filtering separation of different particle diameters, can effectively avoid appearing the easy problem of blockking up of filter media to supply wax removal, oil groove tank liquor to carry out continuous filtration, can guarantee the cleanliness of tank liquor, help promoting the life of quality and extension tank liquor.

4. The filter press is arranged, and can filter-press the main tank liquid and the electrolytic tank liquid, and the main tank liquid is thrown into the main tank for recycling, so that the problem of sewage treatment is avoided.

Drawings

FIG. 1 is a flowchart of the operation of the first embodiment;

FIG. 2 is a flowchart of the operation of the second embodiment;

FIG. 3 is a top view of the electrolytic cell.

The reference numerals are explained below:

m-a main tank; m1-overflow port; an O-overflow tank; s-an oil separating groove; s1-oil separation baffle; s11-a flow guide port; s2-coarse filtration net; s3-an oil scraping device; e-an electrolytic cell; -a cathode; -an anode; e1-stirrer; e2-insulating section; an ES-drainage channel; r-is connected with an oil barrel; f-a filtering mechanism; PF-filter press.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2 in combination, the thick solid line represents the first path of bath treatment, and the thin solid line represents the filter-pressing path, including the second path of bath treatment, the filter-pressing path of the electrolytic cell E, and the backwashing path.

A continuous regenerating device for degreasing and dewaxing bath solution comprises a main bath M, an overflow bath O, an electrolytic bath E, an oil separating bath S, a filtering mechanism F and a filter press PF, wherein the main bath M contains the bath solution to be treated, and the bath solution treatment ways are two;

the first route: the main tank M → the overflow groove O → the electrolytic tank E → the oil separating tank S → the filtering mechanism F → the main tank M, one side of the upper end of the main tank M is provided with an overflow port M1, a liquid guide channel ES is formed between the electrolytic tank E and the tank wall of the oil separating tank S, the height of the oil separating tank S is lower than that of the electrolytic tank E, the peripheral side of the electrolytic tank E is provided with a liquid passing hole adjacent to the bottom wall, and the liquid passing hole is communicated with the liquid guide channel ES, so that the tank liquid in the electrolytic tank E flows into the liquid guide channel ES from the liquid passing hole and flows into the oil separating tank S from the top of the tank wall of the oil separating tank S, the tank liquid enters the overflow groove O from the overflow port M1, then sequentially enters the electrolytic tank E, the oil separating tank S and the filtering mechanism F, and the tank liquid after electrolysis, oil separating and filtering treatment respectively enters the main tank M again for use; a stirrer E1 and activated carbon are arranged in the electrolytic bath E, the stirrer E1 is used for stirring the bath solution, and the activated carbon is used for adsorbing the bath solution.

The second approach: the main tank M → the filter press PF → the main tank M, the lower end of the main tank M is provided with a pipeline connected to the filter press PF, the filter press PF carries out filter pressing treatment on tank liquid, and the treated tank liquid enters the main tank M again for use.

The filter press PF mainly filters solid pollutants in bath solution discontinuously, and simultaneously pumps pollutants in the main bath M, the filtering mechanism F and the electrolytic bath E to the filter press PF through the filter press pump P2 for filter pressing treatment, and clear solution after filter pressing returns to the main bath M.

The main trough M is internally provided with a trough liquid to be treated, one side of the upper end of the main trough M is provided with an overflow port M1 lower than the highest liquid level, the liquid level difference between the overflow port M1 and the trough liquid level is 2-5 cm, the main trough M and an overflow trough O are communicated through the overflow port M1, and a grid is arranged at the overflow port M1 and used for blocking solid substances from entering a pipeline and preventing the pipeline from being blocked. The bath solution enters the overflow groove O from the main groove M through an overflow port M1 and then flows into the electrolytic bath E for electrolytic treatment.

The oil separating tank S is internally provided with a coarse filter screen S2 for filtering floating oil and floating wax of tank liquor. Coarse filter screen S2 detachably installs in separating the oil groove, will separate into two preceding, back compartments in the oil groove S, and back compartment communicates to pressure filter PF through the pipeline, just coarse filter screen S2 slope is placed, and the one end top of rising is higher than the tank liquor liquid level, avoids floating oil, floating wax to pass through from coarse filter screen S2' S top. In this embodiment, the coarse filter screen S2 uses a stainless steel frame and a stainless steel mesh as a support frame, and the surface is covered with a layer of sponge filter screen, so as to effectively isolate oil stains and larger particulate matters, and the coarse filter screen S2 can be periodically detached and cleaned.

Referring to fig. 1 to 3, an oil scraping device S3 is disposed at the top end of the oil separating tank S for scraping away floating oil and wax on the surface of the tank liquid.

Referring to fig. 1, 2 and 3, an electrode is arranged in an electrolytic cell E, the upper end of the electrode is an insulating section E2, the bottom of the lower end is a conductive section 30-35 cm, as shown in fig. 3, the conductive section comprises four anodes + and two cathodes-, the anodes + are plate-shaped anode electrolytic plates, the cathodes-are circular cathode electrolytic nets, the cathodes-are located in the middle of the electrolytic cell E, and the anodes + are located at two sides of the cathodes-. The electrolytic bath solution is subjected to weak electrolysis treatment by electrifying, so that metal ions in the bath solution can be effectively removed, the metal ions mainly comprise nickel, copper, chromium, calcium, magnesium, zinc and the like, the generation of metal ion soap is avoided, and the metal ions are deposited at the cathode in a plating layer manner, which is similar to the electroplating process.

The electrode can generate gas in the electrifying process, and the gas carries fine oil drops in the bath solution to the surface of the bath solution, thereby achieving the aim of purifying the bath solution. Meanwhile, the anode + can generate oxygen ions which have very strong oxidability, and can oxidize indissolvable macromolecular organic matters in the bath solution to form small molecular substances which are easy to dissolve, so that the washing performance of the bath solution is improved.

Preferably, the electrolytic bath E is also provided with a stirrer E1, and a stirring part of the stirrer E1 is arranged at the bottom of the electrolytic bath E and is used for stirring bath solution and activated carbon. And (3) starting the stirrer E1 when the activated carbon treatment is carried out regularly, uniformly mixing the activated carbon, and removing oil pollution pollutants in the tank liquid through the activated carbon treatment to achieve the aim of purifying the tank liquid. Adding activated carbon every 2-3 days according to actual requirements, adding the activated carbon in the electrolysis process, and filtering off the activated carbon by a filtering mechanism F or a filter press PF.

Referring to fig. 1, 2 and 3, the filtering mechanism F employs multiple stages of filtering, and each stage of filtering is connected to the filter press PF through a pipe.

To sum up, the utility model discloses a to wax removal, deoiling the tank liquor of clean groove carry out electrolysis in succession, oil removal, filtration treatment, metal ion, oil removal separation greasy dirt, the filtration pollutant of getting rid of emulsification solubilization are got rid of in the electrolysis, in time with the pollutant separation in the tank liquor and purify, reduce the pollutant and to the consumption of surfactant agent, remain the active ingredient's of tank liquor activity, guarantee that the tank liquor can last the use.

The above description is only the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all the equivalent structural changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are also included.

Claims

1. The utility model provides a deoiling, wax removal tank liquor continuous regeneration device which characterized in that: the device comprises a main tank (M), an overflow tank (O), an electrolytic tank (E), an oil separating tank (S), a filtering mechanism (F) and a filter Press (PF), wherein tank liquor to be treated is accommodated in the main tank (M);

an overflow port (M1) is arranged on one side of the upper end of the main tank (M), a liquid guide channel (ES) is formed between the electrolytic tank (E) and the tank wall of the oil separating tank (S), the height of the oil separating tank (S) is lower than that of the electrolytic tank (E), liquid passing holes are formed in the peripheral side of the electrolytic tank (E) and are adjacent to the bottom wall, and the liquid passing holes are communicated with the liquid guide channel (ES), so that tank liquid in the electrolytic tank (E) flows into the liquid guide channel (ES) from the liquid passing holes and overflows from the top of the liquid guide channel (ES) to flow into the oil separating tank (S); the lower end of the main tank (M) is provided with a pipeline connected to a filter Press (PF).

2. The device for continuously regenerating the degreasing and dewaxing bath solution according to claim 1, wherein: and a coarse filter screen (S2) is arranged in the oil separation tank (S) and is used for filtering floating oil and floating wax of the tank liquor.

3. The apparatus for continuously regenerating the degreasing and dewaxing bath solution as claimed in claim 2, wherein: the coarse filter screen (S2) separates the oil separating tank (S) into a front compartment and a rear compartment, and the rear compartment is communicated to the filter Press (PF) through a pipeline.

4. The device for continuously regenerating the degreasing and dewaxing bath solution according to claim 1, wherein: a stirrer (E1) is arranged in the electrolytic tank (E) and is used for stirring the tank liquor.

5. The device for continuously regenerating the degreasing and dewaxing bath solution according to claim 1, wherein: and activated carbon is placed in the electrolytic bath (E) and is used for carrying out activated carbon adsorption treatment on the bath solution.

6. The device for continuously regenerating the degreasing and dewaxing bath solution according to claim 1, wherein: a grid is arranged at the overflow port (M1) and used for blocking the inflow of the solid matters.

7. The apparatus for continuously regenerating the degreasing and dewaxing bath solution according to any one of claims 1 to 6, wherein: the filtering mechanism (F) adopts multi-stage filtering, and a pipeline is arranged after each stage of filtering and connected to a filter Press (PF).