CN210596263U - Automatic adding device for solid oxidant in acid etching liquid circulating regeneration system - Google Patents

Abstract

The utility model relates to an automatic device that adds of solid oxidant among acid etching solution circulation regeneration system, include: the device comprises a transfer funnel (11), a first pipeline electromagnetic valve (13), a high-pressure air pipe, an adding pipeline, a second pipeline electromagnetic valve (20) and a vibration motor (22); the transfer funnel (11) is communicated with an adding pipeline (15); a first pipeline electromagnetic valve (13) is arranged at the upper end of the adding pipeline (15); a second pipeline electromagnetic valve (20) is arranged at the lower end of the adding pipeline (15); one end of the high-pressure air pipe (14) is communicated with the adding pipeline (15) and is arranged between the first pipeline electromagnetic valve (13) and the second pipeline electromagnetic valve (20); the other end of the high-pressure air pipe (14) is connected with an air pump; adopt the utility model discloses an automatic interpolation device of solid oxidant among acid etching solution circulation regeneration system, the solution that maintains the etching production line that can be better is balanced.

Description

Automatic adding device for solid oxidant in acid etching liquid circulating regeneration system

Technical Field

The patent of the utility model relates to an energy-concerving and environment-protective field, in particular to solid oxidant's automatic interpolation device among acid etching liquid cyclic regeneration system.

Background

The etching line generates a large amount of cuprous copper in the process of continuously etching the copper product, and an oxidant is required to be continuously added in the process.

However, in the actual production process, the recycling project of the acid etching cycle cannot realize 100% recycling, and the main reason is that the hydrochloric acid with the concentration of 30-33% contains about 70% of water and about 70% of oxidant, the electrolyzed regeneration liquid contains acid, copper and oxidant, the three are continuously added, the increment is generated in the process, copper ions need to be electrolyzed to a client to agree with the discharge standard to treat the wastewater, and the acid etching liquid cannot reach 0 discharge due to various factors determined by the original process.

Moreover, with the continuous addition of the three, the water quantity is larger and larger.

How to solve the above problems needs innovation of the process and development of related equipment.

Disclosure of Invention

The utility model aims at providing an automatic device that adds of solid oxidant among the acid etching liquid circulation regeneration system to solve the problem that exists among the background art.

An automatic adding device of a solid oxidant in an acid etching solution circulating regeneration system comprises: the device comprises a transfer funnel (11), a funnel bottom valve (12), a first pipeline electromagnetic valve (13), a high-pressure air pipe (14), an adding pipeline (15) and a second pipeline electromagnetic valve (20);

the transfer funnel (11) is used for a solid oxidant;

the transfer funnel (11) is communicated with an adding pipeline (15);

a first pipeline electromagnetic valve (13) is arranged at the upper end of the adding pipeline (15);

a second pipeline electromagnetic valve (20) is arranged at the lower end of the adding pipeline (15);

one end of the high-pressure air pipe (14) is communicated with the adding pipeline (15) and is arranged between the first pipeline electromagnetic valve (13) and the second pipeline electromagnetic valve (20);

the other end of the high-pressure air pipe (14) is connected with an air pump.

Furthermore, one end of the funnel bottom valve (12) is connected with the bottom of the transfer funnel (11), and the other end of the funnel bottom valve (12) is connected with an adding pipeline (15).

Further, still include: a storage bin (3), a stirring shaft motor (4), a stirring shaft (5), a hopper device (6), the quantitative feed opening (7), a magnetic vibration device (8) and a bracket (9);

the storage compartment (3) comprises: a feed inlet (2) arranged at the upper part of the feed inlet and a discharge outlet arranged at the lower part of the feed inlet;

a stirring shaft motor (4) is fixed at the upper end of the storage bin (3), and the stirring shaft motor (4) drives a stirring shaft (5) to rotate; the stirring shaft (5) is arranged inside the storage bin (3) and corresponds to a discharge hole (preventing powder from blocking the discharge hole) of the storage bin (3);

a funnel device (6), the quantitative feed opening (7), a magnetic vibration device (8) and a bracket (9) are sequentially arranged below the discharge opening of the storage bin (3);

the quantitative feed opening (7) and the magnetic vibration device (8) are fixed on the upper surface of the bracket (9);

one end of the quantitative feed opening (7) corresponds to the feed opening at the top of the transfer funnel (11).

Furthermore, the quantitative feed opening (7) is a carrier which can move in a small range and is in a slope state of 5-10 degrees; the magnetic vibration device can drive the quantitative feed opening (7) to move left and right, so that materials in the quantitative feed opening (7) are transferred to the transfer funnel (11).

Further, still include: a weight sensor, which uses an electronic scale sensor (10); the electronic scale sensor (10) is used for measuring the weight of the fixed oxidant entering the transfer funnel (11) in unit time.

Further, still include: the vibration motor (22), the vibration motor (22) is arranged on the adding pipeline (15) and is arranged above the first pipeline electromagnetic valve (13).

Furthermore, the adding pipeline (15) adopts a visible transparent pipe.

Further, still include: a controller and an etching line on-line monitoring system (17);

the output ends of the etching line online monitoring system (17) and the weight sensor are connected with the input end of the controller;

the output end of the controller is connected with the input ends of the funnel device (6), the magnetic vibration device (8), the funnel bottom valve (12), the first pipeline electromagnetic valve (13), the second pipeline electromagnetic valve (20) and the air pump.

Further, the controller adopts a PLC.

By adopting the technical scheme, compared with the prior art, the method has the advantages of the following points.

First, the utility model discloses the problem that solves is: in the process of continuously etching copper products by the etching line, a large amount of cuprous is generated, a monitoring signal is required to be given by the online monitoring controller 17, the adding system is started to meet the production requirement, the device adopts the design of the solid adding system mainly based on the fact that the copper recycling system is recycled by matching with etching liquid, the recycling rate of the copper recycling system can be higher, the current industry can only achieve 50-80% of recycling rate, if the solid adding design system is adopted, the recycling rate can be improved to 95-100% of recycling rate, the basis is that,currently employed liquid addition method Wherein about 75% of water is added, and if solid is added, the water can be directly used for electrolyzing and extracting copper by using etching solution The regenerated liquid replaces the addition of water, and the aim of controlling the specific gravity of the etching line is fulfilled, so that the circulating and recycling of the etching liquid are directly improved The recycling rate of the etching solution is greatly improved, and the emission is reduced。

Second, when the present application is conceived,70% of the water in the oxidant is removed first, and in order to reach production equilibrium, the water can be removed The electrolyzed regenerated liquid is used to replace part of water and is added into the etching machine, thereby directly increasing the consumption of the regenerated liquid and being capable of controlling No increment is made, the process design standard of 0 emission is realized, and the emission reduction effect advocated by the state can be better met。

Third, the design of this application, based on first pipeline solenoid valve, second pipeline solenoid valve, air pump, realize the transport of fixed oxidant, further, based on: store storehouse 3, (mixing) shaft motor 4, (mixing) shaft 5, funnel device 6 quantitative feed opening 7, magnetic vibration device 8, support 9, electronic scale sensor 10, transfer funnel 11 have realized the ration of fixed oxidant and have put in.

Fourthly, the application also provides a control system of the automatic adding device and a related working method.

Description of the drawings:

FIG. 1: the first embodiment is a schematic structural diagram of an automatic adding device for a solid oxidant in an acidic etching solution recycling system.

FIG. 2: the first pipeline electromagnetic valve 13, the high-pressure gas pipe 14, the adding pipeline 15, the second pipeline electromagnetic valve 20 and the etching production line in the first embodiment are schematically connected and designed.

FIG. 3: the design of the control system of embodiment one.

Detailed Description

The first embodiment is as follows: an automatic adding device of a solid oxidant in an acid etching solution circulating regeneration system comprises:

the method comprises the following steps: the device comprises a box body 1, a feeding hole 2, a storage bin 3, a stirring shaft motor 4, a stirring shaft 5, a funnel device 6, a quantitative feeding hole 7, a magnetic vibration device 8, a bracket 9, an electronic scale sensor 10, a transfer funnel 11, a servo motor, a funnel bottom valve 12, a first pipeline electromagnetic valve 13, a high-pressure air pipe 14, an adding pipeline 15 and a computer central control system 16;

the box body 1 is a vertical box, can be made of PP/PVC/316 materials, and can be customized according to site design (the floor area is about 0.5-1 square meter in the first embodiment).

The feed port 2 functions as: from there the solid oxidant is dosed into an automatic addition device.

The storage bin 3 is used for storing solid additives.

The stirring shaft motor 4 (servo stirring motor) is used for driving the stirring shaft.

Stirring shaft 5 passes through (mixing) shaft motor 4 and drives the rotation, and it is mainly used for preventing that the storehouse is stored to the solid from piling up, provides convenience and guarantee for the feed opening ejection of compact.

The hopper device 6 checks the blanking condition in daily routine, can control the number of 5 discharged materials and is fixed on the wall of the tank;

the quantitative blanking port 7 can uniformly and quantifiably discharge the solid oxidant below (in the form of an inclined tray), can perform blanking according to the requirement of weighing induction data of the electronic scale sensor 10, and mainly works through the magnetic vibration device 8;

the magnetic vibration device 8 adopts a small transformer which can generate a magnetic field when being electrified and simultaneously drives 7 to vibrate, and a vibration frequency signal is from a computer central control system 16;

the support 9 is mainly used for fixing the quantitative feeding hole 7 and the magnetic vibration device 8, the connecting position of the magnetic vibration device 8 and the support 9 is designed by adopting a spring pad, the support 9 is fixed, when the magnetic field of the magnetic vibration device 8 is opened to work, the quantitative feeding hole 7 can effectively shake slightly through an intermediate spring, and an oxidant loaded on the quantitative feeding hole 7 is discharged into the transfer funnel 11;

the electronic scale sensor can be designed to have the quantity required to be added once, the quantity is accurate to +/-1 g, the single adding quantity can be generally designed to be between 50 g and 200g, the range can be selected, the electronic scale sensor is fixed on a groove wall, 11.12 is supported by the sensor, a signal is given by sensing weight, 7.8 starts to work, the additive enters 11 hoppers, when the set weight is reached, the quantitative feeding port 7 and the magnetic vibration device 8 are stopped by the signal, and the setting and the automatic work of the fixed adding quantity are realized;

a transfer funnel 11, in which additives to be added quantitatively are transferred and weighed;

the servo motor and the hopper bottom valve 12 are in a normally closed state, so that the transfer hopper 11 can conveniently store quantitative additives, the additives are opened when needing to be added, the additives are put into a pipeline, and the additives are closed after the addition is finished;

the first pipeline electromagnetic valve 13 is in a normally open state, is closed during adding, and is closed after all materials to be added enter the pipeline;

the high-pressure air pipe 14 is used for closing the electric valve after adding materials into the pipeline, opening the air pipe and conveying the materials in the pipeline to a groove body to be added, so that the function of conveying and transporting is achieved;

the pipeline 15 is added, PVC and plastic hoses are usually adopted, the common specification is below 1 inch, and the conveying distance is generally 1-20 meters;

the computer central control system 16 and the PLC digital display control system play a role in automatic intelligent control.

The working method of the application comprises the following steps: the oxidizer (sodium chlorate/sodium chloride as main ingredient) is poured into the storage 3 and the demand signal is given by the on-line monitoring system 17 (commonly known as AUQU or acidity controller) via the etched line, which signals explain: when the oxidation-reduction potential (OPR value) in the etching solution is lower than a set value, a signal is given to supplement and add an oxidant so as to recover the etching oxidation-reduction reaction of a production line and reduce cuprous copper into bivalent copper,

after receiving the signal, the PLC16 transmits a signal to the hopper device 6 to control the oxidant to be discharged from the hopper device 6, and the hopper device 6 controls the uniform quantity and speed of the discharged material to reach the upper part of the quantitative discharging opening 7;

the quantitative feed opening 7 is a carrier which can move in a small range, is in a slope state of 5-10 degrees, can enable the quantitative feed opening 7 to move in a small range by the magnetic field working principle of the magnetic vibration device 8, can uniformly and slightly transfer the oxidant on the quantitative feed opening 7 into the transfer funnel 11,

one end of the electronic scale sensor 10 is fixed on the equipment through a screw, the other end supports the transfer funnel 11, and a real-time weight value is given according to the amount of the oxidant entering the transfer funnel 11;

when the weight value transmitted by the electronic scale sensor 10 accords with the value added by the PLC, the quantitative blanking port 7 and the magnetic vibration device 8 stop transmitting blanking work, at the moment, the PLC can enable the hopper bottom valve 12 to automatically open and close the valve to work, so that the quantitative oxidant in the transfer hopper 11 is transmitted to the adding pipeline 15, after the oxidant is transmitted to the adding pipeline 15, the PLC starts a vibration small motor above the first pipeline electromagnetic valve 13 while entering the pipeline, so that the oxidant completely enters the pipeline 15, and the oxidant remained on the pipe wall at the upper end of the first pipeline electromagnetic valve 13 is reduced;

the first pipeline electromagnetic valve 13 is closed, and the oxidant is conveyed into an etching machine (etching production line) to react with the etching solution through high-pressure gas given by the high-pressure gas pump, so that the functions of online monitoring and automatic addition of the etching solution and supplement of oxidation-reduction potential reaction are realized.

After the etching machine is completely entered, closing a second pipeline electromagnetic valve 20 of the pipeline close to an etching end, opening a first pipeline electromagnetic valve 13, waiting for the next repeated adding work, and simultaneously starting the second pipeline electromagnetic valve 20 when the first pipeline electromagnetic valve 13 is closed to prepare for starting the high-pressure air pump, wherein the second pipeline electromagnetic valve 20 is normally closed at ordinary times.

The adding pipeline 15 adopts a visible transparent pipe.

The control method of the first embodiment is as follows:

firstly, an oxidant is poured into a storage bin 3;

secondly, the etching line on-line monitoring system 17 monitors the oxidation-reduction potential in the acidic etching solution, and when the oxidation-reduction potential in the etching solution is lower than a set value, the etching line on-line monitoring system 17 sends a signal to a controller, and the controller controls the automatic adding device to add the fixed oxidant.

The method for controlling the automatic adding device to add the fixed oxidant by the controller comprises the following steps:

the controller sends a signal to the funnel device 6 to control and control the uniform discharge of the oxidant from the funnel device 6, and the oxidant falls on the quantitative feed opening 7;

the controller sends a signal to the magnetic vibration device 8, the magnetic vibration device 8 is started, and the quantitative feed opening 7 is shaken to enable the quantitative feed opening 7 to fall into the transfer funnel 11; meanwhile, the weight sensor monitors the weight of the oxidant entering the transfer funnel 11 in real time, and transmits a signal to the controller, and the controller sends out a signal to control the power of the magnetic vibration device 8;

according to the monitoring structure of the etching line on-line monitoring system 17, the controller calculates to obtain the metering of the solid oxidant to be added, and when the weight of the solid oxidant falling into the transfer funnel 11 is equal to a preset value, the controller sends a signal to a quantitative feeding port 7, a magnetic vibration device 8 and a funnel bottom valve 12, wherein the quantitative feeding port 7 and the magnetic vibration device 8 stop working, and the funnel bottom valve 12 is opened;

the hopper bottom valve 12 is opened to enable the quantitative oxidant in the transfer hopper 11 to be transferred to the adding pipeline 15;

after the oxidant in the transfer funnel 11 enters the adding pipeline 15, the controller sends signals to: the first pipeline electromagnetic valve 13, the second pipeline electromagnetic valve 20 and the air pump are used for controlling the first pipeline electromagnetic valve 13 to be closed and controlling the second pipeline electromagnetic valve 20 to be opened; then controlling the air pump to start, so that the high-pressure gas given out by the air pump conveys the oxidant to the etching production line to react with the etching solution;

after the oxidant in the addition pipe 15 is delivered, the controller sends a signal to: a first pipeline electromagnetic valve 13, a second pipeline electromagnetic valve 20 and an air pump; and controlling the first pipeline electromagnetic valve 13 to be opened, controlling the second pipeline electromagnetic valve 20 to be closed and controlling the air pump to be closed.

Further, when the hopper bottom valve 12 is opened, the controller controls the vibration motor 22 to vibrate, so that a fixed amount of the oxidant in the transfer hopper 11 is transferred to the adding pipeline 15, and after the oxidant is transferred to the adding pipeline 15, the vibration motor is started above the first pipeline electromagnetic valve 13 while the oxidant enters the pipeline, so that the oxidant completely enters the pipeline 15, and the oxidant remained on the pipe wall at the upper end of the first pipeline electromagnetic valve 13 is reduced.

While the preferred embodiments of the present invention have been described in detail, it should be understood that various changes and modifications of the invention can be made by those skilled in the art after reading the above teachings of the invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (6)

1. An automatic adding device of a solid oxidant in an acid etching solution circulating regeneration system is characterized by comprising: the device comprises a transfer funnel (11), a first pipeline electromagnetic valve (13), a high-pressure air pipe (14), an adding pipeline (15), a second pipeline electromagnetic valve (20) and a vibration motor (22);

the transfer funnel (11) is used for feeding a solid oxidant;

the transfer funnel (11) is communicated with an adding pipeline (15);

a first pipeline electromagnetic valve (13) is arranged at the upper end of the adding pipeline (15);

a second pipeline electromagnetic valve (20) is arranged at the lower end of the adding pipeline (15);

one end of the high-pressure air pipe (14) is communicated with the adding pipeline (15) and is arranged between the first pipeline electromagnetic valve (13) and the second pipeline electromagnetic valve (20);

the other end of the high-pressure air pipe (14) is connected with an air pump;

the vibration motor (22) is arranged on the adding pipeline (15) and is arranged above the first pipeline electromagnetic valve (13).

2. The automatic adding apparatus according to claim 1, further comprising: a hopper bottom valve (12); the bottom of transfer funnel (11) is provided with funnel bottom valve (12), the one end of funnel bottom valve (12) is connected with the bottom of transfer funnel (11), and the other end of funnel bottom valve (12) is connected with and adds pipeline (15), and wherein, it adopts the hyaline tube to add pipeline (15).

3. The automatic adding apparatus according to claim 1 or 2, further comprising: a storage bin (3), a stirring shaft motor (4), a stirring shaft (5), a hopper device (6), a quantitative feed opening (7), a magnetic vibration device (8) and a bracket (9);

the storage compartment (3) comprises: a feed inlet (2) arranged at the upper part of the feed inlet and a discharge outlet arranged at the lower part of the feed inlet;

a stirring shaft motor (4) is fixed at the upper end of the storage bin (3), and the stirring shaft motor (4) drives a stirring shaft (5) to rotate; the stirring shaft (5) is arranged inside the storage bin (3) and corresponds to a discharge hole in the storage bin (3);

a funnel device (6), the quantitative feed opening (7), a magnetic vibration device (8) and a bracket (9) are sequentially arranged below the discharge opening of the storage bin (3);

the quantitative feed opening (7) and the magnetic vibration device (8) are fixed on the upper surface of the bracket (9);

one end of the quantitative feed opening (7) corresponds to the feed opening at the top of the transfer funnel (11).

4. The automatic adding device according to claim 3, characterized in that the quantitative feed opening (7) is in a slope state of 5 ° to 10 °; the magnetic vibration device can drive the quantitative feed opening (7) to move left and right, so that materials in the quantitative feed opening (7) are transferred to the transfer funnel (11).

5. The automatic adding apparatus according to claim 1, further comprising: a weight sensor, which uses an electronic scale sensor (10); the electronic scale sensor (10) is used for measuring the weight of the fixed oxidant entering the transfer funnel (11) in unit time.

6. The automatic adding apparatus according to claim 3, further comprising: a controller and an etching line on-line monitoring system (17);

the output ends of the etching line online monitoring system (17) and the weight sensor are connected with the input end of the controller;

the output end of the controller is connected with the input ends of the funnel device (6), the magnetic vibration device (8), the funnel bottom valve (12), the first pipeline electromagnetic valve (13), the second pipeline electromagnetic valve (20) and the air pump.

Images