A welding wire plating solution recovery system

Abstract

The utility model provides a welding wire plating solution recovery system, including a collecting tank, a filter press, a regulating kettle, a sulfuric acid tank, a freezing assembly, a centrifuge, a storage tank, and a liquid distribution tank; the bottom of the collecting tank is connected to the filter press through a pipeline, the bottom of the filter press is connected to the regulating kettle through a pipeline, the bottom of the sulfuric acid tank is connected to the regulating kettle through a pipeline, the bottom of the regulating kettle is connected to the freezing assembly through a pipeline, and the top of the freezing assembly is connected to the collecting tank through a pipeline; the bottom of the freezing assembly is connected to the centrifuge through a pipeline, one side of the centrifuge is connected to the liquid distribution tank through a pipeline, and the bottom of the centrifuge is connected to the storage tank through a pipeline. Beneficial effects of the utility model: The recycling and reuse of the copper sulfate solution in the present application can reduce the burden on the sewage treatment system and reduce the soluble salt content in the environmental protection external drainage.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding wire plating solution recovery, in particular to a welding wire plating solution recovery system. Background Art

[0002] In the production process of welding wire, copper sulfate solution is a consumable. During the production process, copper sulfate is continuously consumed and a by-product, ferrous sulfate, is generated. When the ferrous sulfate rises to a certain concentration, part of the plating solution needs to be discharged, and the discharged part becomes waste liquid. After entering the wastewater treatment system, this waste liquid needs to consume a large amount of sodium hydroxide for neutralization treatment, and forms high-salt water to be discharged. In addition, the waste liquid also contains a large amount of copper sulfate, which causes waste. Utility Model Content

[0003] In view of this, the utility model aims to provide a welding wire plating liquid recovery system to solve at least one problem in the background technology.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A welding wire plating solution recovery system, comprising a collecting tank, a filter press, a regulating kettle, a sulfuric acid tank, a freezing assembly, a centrifuge, a storage tank, and a liquid preparation tank;

[0006] The bottom of the collecting tank is connected to the filter press through a pipeline, the bottom of the filter press is connected to the regulating kettle through a pipeline, the bottom of the sulfuric acid tank is connected to the regulating kettle through a pipeline, the bottom of the regulating kettle is connected to the freezing assembly through a pipeline, and the top of the freezing assembly is connected to the collecting tank through a pipeline;

[0007] The bottom of the freezing assembly is connected to the centrifuge through a pipeline, one side of the centrifuge is connected to the liquid preparation tank through a pipeline, and the bottom of the centrifuge is connected to the storage tank through a pipeline.

[0008] Further, the sulfuric acid tank and the centrifuge are arranged above the regulating kettle and the refrigeration assembly via a steel platform.

[0009] Furthermore, a first liquid level alarm is provided in the collection tank, which reminds the operator when the liquid level reaches a designated area, and the waste liquid is pumped into the filter press through the diaphragm pump.

[0010] Furthermore, a first valve, a diaphragm pump, a first detection branch pipe, a second valve, and a first one-way valve are sequentially arranged on the pipeline between the collection tank and the filter press;

[0011] The first detection branch pipe is provided with a first detection valve;

[0012] The first valve and the pipeline are softly connected, which can play a role in shock prevention. The present application can regularly detect the liquid by setting a detection branch pipe, and the first one-way valve can prevent the liquid from flowing back.

[0013] Furthermore, a third valve is provided on the pipeline between the sulfuric acid tank and the regulating kettle.

[0014] Furthermore, a second liquid level alarm is provided in the regulating kettle, and a first stirring assembly is provided in the regulating kettle, and the first stirring assembly includes a first motor, a first connecting rod, and a first stirring rod;

[0015] The output end of the first motor is connected to the first connecting rod, and a plurality of first stirring rods are evenly arranged on the first connecting rod.

[0016] Furthermore, the freezing component is connected to the collecting tank through a pipeline, and a fourth valve and a fifth valve are provided on the pipeline between the freezing component and the collecting tank.

[0017] The regulating kettle is connected to the pipeline between the freezing assembly and the collecting tank through a connecting pipeline, and the connecting pipeline is arranged between the fourth valve and the fifth valve.

[0018] The connecting pipeline is provided with a sixth valve, a first lifting pump, a second detection branch pipe, a seventh valve, and a second one-way valve in sequence;

[0019] The second detection branch pipe is provided with a second detection valve;

[0020] The sixth valve and the pipeline are softly connected to prevent shock.

[0021] Furthermore, the freezing assembly includes a freezing kettle and a freezer, and the freezing kettle and the freezer are connected by a pipeline;

[0022] A temperature controller and a liquid level controller are provided on one side of the freezing kettle;

[0023] A second stirring assembly is provided in the freezing kettle, and the second stirring assembly includes a second motor, a second connecting rod, and a second stirring rod;

[0024] The output end of the second motor is connected to the second connecting rod, and a plurality of second stirring rods are evenly arranged on the second connecting rod.

[0025] Furthermore, the freezing kettle is connected to the centrifuge through a pipeline, and the pipeline between the freezing kettle and the centrifuge is provided with an eighth valve, a second booster pump, a third detection branch pipe, a ninth valve, and a third one-way valve in sequence;

[0026] The third detection branch pipe is provided with a third detection valve.

[0027] The eighth valve and the pipeline are connected softly, which can prevent shock.

[0028] Furthermore, a third liquid level alarm is provided on the liquid distribution tank.

[0029] Compared with the prior art, the welding wire plating solution recovery system described in the utility model has the following advantages:

[0030] 1. The recycling and reuse of copper sulfate solution in this application can reduce the burden on the sewage treatment system and reduce the soluble salt content in the environmental protection drainage, which has positive significance in the environment where environmental protection requirements are increasingly stringent. At the same time, the recycling and reuse of copper sulfate can generate certain economic benefits.

[0031] 2. The present application has a simple structure, low cost, and is easy to maintain in the later stage, and can reuse the copper sulfate in the waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0033] Figure 1 It is an overall schematic diagram of a welding wire plating solution recovery system described in an embodiment of the utility model.

[0034] Description of reference numerals:

[0035] 1. Collecting tank; 2. Diaphragm pump; 3. First liquid level alarm; 4. Filter press; 5. Regulating kettle; 5-1. Second liquid level alarm; 5-2. First stirring assembly; 5-3. First lifting pump; 6. Sulfuric acid tank; 7. Freezing kettle; 7-1. Temperature controller; 7-2. Liquid level controller; 7-3. Second stirring assembly; 8. Centrifuge; 9. Second lifting pump; 10. Storage tank; 11. Liquid distribution tank; 12. First valve; 13. First detection branch pipe; 14. Second valve; 15. First non-return valve; 16. Third valve; 17. Fourth valve; 18. Fifth valve; 19. Sixth valve; 20. Second detection branch pipe; 21. Seventh valve; 22. Second non-return valve; 23. Eighth valve; 24. Third detection branch pipe; 25. Ninth valve; 26. Third non-return valve; 27. Refrigerator; 28. Third liquid level alarm; 29. ​​Steel platform. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0037] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0038] like Figure 1As shown, a welding wire plating solution recovery system includes a collecting tank 1, a filter press 4, a regulating kettle 5, a sulfuric acid tank 6, a freezing assembly, a centrifuge 8, a storage tank 10, and a liquid preparation tank 11; the bottom of the collecting tank 1 is connected to the filter press 4 through a pipeline, the bottom of the filter press 4 is connected to the regulating kettle 5 through a pipeline, the bottom of the sulfuric acid tank 6 is connected to the regulating kettle 5 through a pipeline, the bottom of the regulating kettle 5 is connected to the freezing assembly through a pipeline, and the top of the freezing assembly is connected to the collecting tank 1 through a pipeline; the bottom of the freezing assembly is connected to the centrifuge 8 through a pipeline, one side of the centrifuge 8 is connected to the liquid preparation tank 11 through a pipeline, and the bottom of the centrifuge 8 is connected to the storage tank 10 through a pipeline.

[0039] The sulfuric acid tank 6 and the centrifuge 8 are arranged above the regulating kettle 5 and the freezing assembly through the steel platform 29, and the first liquid level alarm 3 is arranged in the collecting tank 1. When the liquid level reaches the designated area, the operator is reminded, and the waste liquid is pumped into the filter press 4 through the diaphragm pump 2.

[0040] The pipeline between the collection tank 1 and the filter press 4 is provided with a first valve 12, a diaphragm pump 2, a first detection branch pipe 13, a second valve 14, and a first non-return valve 15 in sequence; the first detection branch pipe 13 is provided with a first detection valve; the first valve 12 and the pipeline are softly connected to play a role in shock prevention. By setting up the detection branch pipe, the present application can regularly detect the liquid, and the first non-return valve 15 can prevent the liquid from flowing back.

[0041] A third valve 16 is provided on the pipeline between the sulfuric acid tank 6 and the regulating kettle 5 .

[0042] A second liquid level alarm 5-1 is provided in the regulating kettle 5, and a first stirring assembly 5-2 is provided in the regulating kettle 5. The first stirring assembly 5-2 includes a first motor, a first connecting rod, and a first stirring rod; the output end of the first motor is connected to the first connecting rod, and a plurality of first stirring rods are evenly arranged on the first connecting rod.

[0043] The freezing assembly is connected to the collecting tank 1 through a pipeline, and a fourth valve 17 and a fifth valve 18 are provided on the pipeline between the freezing assembly and the collecting tank 1. The regulating kettle 5 is connected to the pipeline between the freezing assembly and the collecting tank 1 through a connecting pipeline, and the connecting pipeline is arranged between the fourth valve 17 and the fifth valve 18, and a sixth valve 19, a first lifting pump 5-3, a second detection branch pipe 20, a seventh valve 21, and a second one-way valve 22 are provided on the connecting pipeline in sequence; a second detection valve is provided on the second detection branch pipe 20; the sixth valve 19 and the pipeline are softly connected, which can play a role in shockproofing.

[0044] The freezing assembly includes a freezing kettle 7 and a freezer 27, and the freezing kettle 7 and the freezer 27 are connected by a pipeline; a temperature controller 7-1 and a liquid level controller 7-2 are provided on one side of the freezing kettle 7; a second stirring assembly 7-3 is provided in the freezing kettle 7, and the second stirring assembly 7-3 includes a second motor, a second connecting rod, and a second stirring rod; the output end of the second motor is connected to the second connecting rod, and a plurality of second stirring rods are evenly arranged on the second connecting rod.

[0045] The freezing kettle 7 is connected to the centrifuge 8 through a pipeline. The pipeline between the freezing kettle 7 and the centrifuge 8 is provided with an eighth valve 23, a second lifting pump 9, a third detection branch pipe 24, a ninth valve 25, and a third one-way valve 26 in sequence; the third detection branch pipe 24 is provided with a third detection valve. The eighth valve 23 and the pipeline are softly connected to play a role in shock prevention. The liquid distribution tank 11 is provided with a third liquid level alarm 28.

[0046] The waste liquid generated in the workshop is collected in a collection tank 1. The tank is equipped with a first liquid level alarm 3. When the liquid level reaches the designated area, it reminds the operator. The waste liquid is pumped into the filter press 4 through the diaphragm pump 2. The filter press filters the impurities in the waste liquid and the liquid flows into the regulating kettle 5. The regulating kettle 5 is equipped with a second liquid level alarm 5-1 and a first stirring component 5-2. After the liquid flows into the regulating kettle 5, sulfuric acid is added to the regulating kettle 5 through the sulfuric acid tank 6 to adjust the acidity of the liquid. The acidity of the liquid is adjusted to 100-120g / L. The adjusted liquid is pumped through the first lifting pump 5-3 The frozen product is pumped into a freezing kettle 7, which is equipped with a thermostat 7-1 and a liquid level controller 7-2, which can accurately control the liquid temperature and liquid level. The temperature of the freezing kettle is adjusted to between -5°C and 15°C for freezing for 4-6 hours. (Under specific acidity and temperature, the solubility of ferrous sulfate and cupric sulfate is different, so ferrous sulfate can be frozen and cupric sulfate can be kept in a solution state.) The material in the freezing kettle 7 is pumped into a centrifuge 8 through a second lifting pump 9 for solid-liquid separation. The solid waste is separated into a storage tank 10, and the liquid copper sulfate is separated into a liquid preparation tank 11 for reuse.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding wire plating solution recovery system, characterized in that: Including collection tank, filter press, regulating kettle, sulfuric acid tank, refrigeration assembly, centrifuge, storage tank, liquid preparation tank; The bottom of the collecting tank is connected to the filter press through a pipeline, the bottom of the filter press is connected to the regulating kettle through a pipeline, the bottom of the sulfuric acid tank is connected to the regulating kettle through a pipeline, the bottom of the regulating kettle is connected to the freezing assembly through a pipeline, and the top of the freezing assembly is connected to the collecting tank through a pipeline; The bottom of the freezing assembly is connected to the centrifuge through a pipeline, one side of the centrifuge is connected to the liquid preparation tank through a pipeline, and the bottom of the centrifuge is connected to the storage tank through a pipeline.

2. A welding wire plating solution recovery system according to claim 1, characterized in that: The sulfuric acid tank and centrifuge are mounted on a steel platform above the conditioning kettle and refrigeration assembly.

3. A welding wire plating solution recovery system according to claim 1, characterized in that: A first liquid level alarm is arranged in the collection tank.

4. A welding wire plating solution recovery system according to claim 1, characterized in that: The pipeline between the collection tank and the filter press is provided with a first valve, a diaphragm pump, a first detection branch pipe, a second valve, and a first check valve in sequence; The first detection branch pipe is provided with a first detection valve.

5. A welding wire plating solution recovery system according to claim 1, characterized in that: A third valve is provided on the pipeline between the sulfuric acid tank and the regulating kettle.

6. A welding wire plating solution recovery system according to claim 1, characterized in that: A second liquid level alarm is provided in the regulating kettle, and a first stirring assembly is provided in the regulating kettle, and the first stirring assembly includes a first motor, a first connecting rod, and a first stirring rod; The output end of the first motor is connected to the first connecting rod, and a plurality of first stirring rods are evenly arranged on the first connecting rod.

7. A welding wire plating solution recovery system according to claim 1, characterized in that: The freezing assembly is connected to the collecting tank through a pipeline, and a fourth valve and a fifth valve are provided on the pipeline between the freezing assembly and the collecting tank; The regulating kettle is connected to the pipeline between the freezing assembly and the collecting tank through a connecting pipeline, and the connecting pipeline is arranged between the fourth valve and the fifth valve. The connecting pipeline is provided with a sixth valve, a first lifting pump, a second detection branch pipe, a seventh valve, and a second one-way valve in sequence; The second detection branch pipe is provided with a second detection valve.

8. A welding wire plating solution recovery system according to claim 7, characterized in that: The freezing kettle is connected to the centrifuge through a pipeline, and the pipeline between the freezing kettle and the centrifuge is provided with an eighth valve, a second lifting pump, a third detection branch pipe, a ninth valve, and a third one-way valve in sequence; The third detection branch pipe is provided with a third detection valve.

9. A welding wire plating solution recovery system according to claim 7, characterized in that: A third liquid level alarm is provided on the liquid distribution tank.

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