CN210711070U - Tin stripping waste liquid treatment device - Google Patents
Tin stripping waste liquid treatment device Download PDFInfo
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- CN210711070U CN210711070U CN201921556364.2U CN201921556364U CN210711070U CN 210711070 U CN210711070 U CN 210711070U CN 201921556364 U CN201921556364 U CN 201921556364U CN 210711070 U CN210711070 U CN 210711070U
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Abstract
The utility model discloses a move back tin waste liquid treatment device. The tin stripping waste liquid treatment device comprises: the sedimentation tank is provided with a containing cavity, a feeding hole, a sedimentation outlet, a liquid discharge port and a dosing port, the feeding hole, the sedimentation outlet, the liquid discharge port and the dosing port are all communicated with the containing cavity, and the sedimentation outlet is arranged at the bottom of the sedimentation tank; the stirring subassembly, the stirring subassembly includes motor and stirring rake, the motor is located the top of gunbarrel, the one end transmission of stirring rake connect in the output shaft of motor, the other end stretches into hold the intracavity to and the controller, controller electric connection in the motor for the control moves back the processing operation of tin waste liquid. The technical scheme of the utility model can improve resource utilization and reduce the processing cost.
Description
Technical Field
The utility model relates to a move back tin waste liquid treatment technical field, in particular to move back tin waste liquid treatment device.
Background
At present, in the manufacturing process of the printed circuit board, a tin stripping solution is generally adopted to remove a tin-containing layer on the surface of the circuit board, and a large amount of tin stripping waste liquid is generated. The existing treatment method of tin-stripping waste liquor generally comprises the steps of firstly adding alkali for neutralization and precipitation, then filtering, sending filter cake tin mud after filtering into a smelting plant for pyrometallurgy, adding sulfide into filtrate for recovering copper, and then discharging.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a move back tin waste liquid processing apparatus aims at improving resource utilization and reduces the treatment cost.
In order to achieve the above object, the utility model provides a move back tin waste liquid treatment device, include: the sedimentation tank is provided with a containing cavity, a feeding hole, a sedimentation outlet, a liquid discharge port and a dosing port, the feeding hole, the sedimentation outlet, the liquid discharge port and the dosing port are all communicated with the containing cavity, and the sedimentation outlet is arranged at the bottom of the sedimentation tank; the stirring subassembly, the stirring subassembly includes motor and stirring rake, the motor is located the top of gunbarrel, the one end transmission of stirring rake connect in the output shaft of motor, the other end stretches into hold the intracavity to and the controller, controller electric connection in the motor for the control moves back the processing operation of tin waste liquid.
In an embodiment of the present invention, the settling tank includes a first connecting section and a second connecting section which are sequentially arranged along a height direction of the settling tank and connected to each other, the first connecting section and the second connecting section together enclose the accommodating cavity, the feed inlet, the liquid discharge port and the chemical feeding port are all disposed on the first connecting section, and the settling outlet is disposed at a bottom of the second connecting section;
the inner diameter of the second connecting section is gradually reduced along the direction departing from the first connecting section.
In an embodiment of the present invention, the feeding hole and the dosing hole are both disposed at the top of the first connection section, and the liquid discharging hole is disposed at the side of the first connection section.
In an embodiment of the present invention, the liquid discharge port is provided in a plurality of numbers, and the plurality of liquid discharge ports are arranged at intervals along a height direction of the first connection section.
The utility model discloses an in the embodiment, move back tin waste liquid processing apparatus and still include liquid and discharge the subassembly, liquid discharges the subassembly and includes liquid discharge house steward, a plurality of liquid discharge branch pipe, liquid delivery pump and filter, one the import of liquid discharge branch pipe communicate in one liquid discharge port, and each the export of liquid discharge branch pipe all communicate in the one end of liquid discharge house steward, the other end of liquid discharge house steward communicate in the import of filter, liquid delivery pump locates liquid discharge house steward, and each all be provided with a liquid control valve on the liquid discharge branch pipe, liquid control valve with the equal electric connection of liquid delivery pump in the controller.
In an embodiment of the present invention, the tin-stripping waste liquid treatment apparatus further includes an aeration component, the aeration component includes: the air blower is arranged at the top of the settling tank and is electrically connected with the controller; and one end of the aeration pipeline is communicated with the outlet of the blower, and the other end of the aeration pipeline extends into the accommodating cavity.
In an embodiment of the present invention, an end of the aeration pipeline away from the blower is an annular structure and is disposed around the bottom of the accommodating cavity.
The utility model discloses an in the embodiment, move back tin waste liquid processing apparatus and still include the liquid level probe, the liquid level probe is located hold the intracavity, and electric connection in the controller.
The utility model discloses an embodiment, move back tin waste liquid processing apparatus still includes solid-liquid interface detector, solid-liquid interface detector movably locates the surface of gunbarrel to electric connection in the controller.
The utility model discloses an in one embodiment, move back tin waste liquid processing apparatus still includes sediment emission subassembly, sediment emission subassembly is including deposiing the delivery pipe and deposiing the delivery pump, deposit the delivery pipe communicate in deposit the export, just it is provided with the sediment control valve to deposit the delivery pipe, deposit the control valve with deposit the equal electrical connection of delivery pump in the controller.
The technical scheme of the utility model, move back tin waste liquid processing apparatus and include precipitation tank, stirring subassembly 20 and controller, the precipitation tank is equipped with and holds chamber, feed inlet, precipitation export, liquid discharge port and add the medicine mouth, and the stirring subassembly includes motor and stirring rake, and the motor is installed in the top of precipitation tank to the electrical property communicates in the controller, stirring rake fixed connection is in the output shaft of motor, and stretches into and hold the intracavity. So set up, when handling tin waste liquid, will move back the tin waste liquid and add to holding the intracavity by the feed inlet, and add the medicament to wherein by adding the medicine mouth, controller control motor starts, motor output shaft rotates and drives the stirring rake and rotates, with the tin waste liquid intensive mixing that moves back wherein, will move back the tin ion in the tin waste liquid and generate the sediment, make tin waste liquid that moves back produce solid-liquid separation, the sediment that produces like this flows by the precipitation export, liquid is discharged by liquid discharge port, alright accomplish the treatment to moving back the tin waste liquid like this, this treatment can not produce other waste liquids or waste residue, resource utilization is higher, and the treatment cost is lower relatively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the tin stripping waste liquid treatment device of the present invention;
FIG. 2 is a schematic cross-sectional view of a view angle of the tin stripping waste liquid treatment device;
FIG. 3 is a schematic view of another perspective of the tin stripping waste liquid treatment apparatus.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a move back tin waste liquid processing apparatus 100 for the processing moves back tin waste liquid.
Referring to fig. 1 to fig. 3, in an embodiment of the tin-stripping waste liquid treatment apparatus 100 of the present invention, the tin-stripping waste liquid treatment apparatus 100 includes: the sedimentation tank 10, the sedimentation tank 10 is equipped with and holds the cavity 10a, feed inlet 111, deposit the outlet 131, liquid discharge port 113 and add the medicine mouth and all communicate in holding the cavity 10a, and deposit the outlet 131 and locate the bottom of the sedimentation tank 10; stirring assembly 20, stirring assembly 20 include motor 21 and stirring rake 23, and motor 21 locates the top of precipitation tank 10, and the one end transmission of stirring rake 23 is connected in motor 21's output shaft, and the other end stretches into and holds in the chamber 10a to and controller, controller electric connection in motor 21 for the control moves back the processing operation of tin waste liquid.
Specifically, the material of the settling tank 10 is generally polypropylene or polyvinylidene fluoride, the outer shape of which is substantially cylindrical, and the inner part of which is formed with a containing cavity 10a for containing the tin-stripping waste liquid to be treated. The feed inlet 111 is arranged at the top or the side of the settling tank 10 and communicated with the accommodating cavity 10a, the settling outlet 131 is arranged at the bottom of the settling tank 10, the medicine adding port is also arranged at the top or the side of the settling tank 10 generally and used for adding medicine, the medicine generally contains complexing agent, the complexing agent can perform complexing reaction with tin ions in the tin-stripping waste liquid after being added to form complex sediment, and the complex sediment finally flows out from the settling outlet 131. The liquid discharge port 113 is generally opened at the top or side of the settling tank 10 for discharging the liquid after the solid-liquid separation of the tin-stripping waste liquid. Servo motor 21 is generally chooseed for use to stirring subassembly 20's motor 21, the top of gunbarrel 10 is fixed in the installation usually, gunbarrel 10 corresponds motor 21 and offers the hole of stepping down (not shown) that is used for holding motor 21 output shaft, the hole of stepping down communicates in holding chamber 10a, the one end of stirring rake 23 and motor 21's output shaft fixed connection, the other end passes the hole of stepping down and stretches into in holding chamber 10a, stirring rake 23 generally includes the puddler and sets up the stirring vane of puddler one end, the puddler deviates from the one end fixed connection of stirring vane in motor 21's output shaft. After putting into holding chamber 10a by feed inlet 111 tin waste liquid, starter motor 21, motor 21 output shaft rotate and drive stirring rake 23 and rotate to carry out intensive mixing to tin waste liquid, make tin ion in the tin waste liquid of moving back fully produce the sediment as far as possible, thereby be favorable to follow-up solid-liquid separation. The controller is electrically connected with the motor 21, so that the automation of the treatment operation of the tin stripping waste liquid can be realized, and the treatment efficiency of the tin stripping waste liquid is improved.
It should be noted that, here, the feed port 111 and the feed port may be openings at the same position, or may be openings at different positions, and are not limited herein.
Therefore, it can be understood that, the technical scheme of the utility model, tin waste liquid treatment device 100 is moved back includes gunbarrel 10, stirring subassembly 20 and controller, and gunbarrel 10 is equipped with and holds chamber 10a, feed inlet 111, sediment export 131, liquid discharge port 113 and add the medicine mouth, and stirring subassembly 20 includes motor 21 and stirring rake 23, and motor 21 installs in the top of gunbarrel 10 to electric property intercommunication in the controller, stirring rake 23 fixed connection is in the output shaft of motor 21, and stretch into and hold in the chamber 10 a. Such setting, when handling tin waste liquid, will move back the tin waste liquid by feed inlet 111 add to holding in the chamber 10a, and add the medicament to wherein by adding the medicine mouth, controller control motor 21 starts, motor 21 output shaft rotates and drives stirring rake 23 and rotate, with to the tin waste liquid intensive mixing that moves back wherein, will move back the tin ion in the tin waste liquid and generate the sediment, make tin waste liquid that moves back produce solid-liquid separation, the sediment that produces like this flows out by precipitation outlet 131, liquid is discharged by liquid discharge port 113, alright accomplish the treatment to moving back the tin waste liquid like this, this treatment can not produce other waste liquids or waste residue, resource utilization is rateed higher, and the treatment cost is lower relatively.
Further, the settling tank 10 comprises a first connecting section 11 and a second connecting section 13 which are sequentially arranged along the height direction of the settling tank and are connected with each other, the first connecting section 11 and the second connecting section 13 jointly enclose to form an accommodating cavity 10a, the feed inlet 111, the liquid discharge outlet 113 and the dosing port are all arranged on the first connecting section 11, and the settling outlet 131 is arranged at the bottom of the second connecting section 13; the inner diameter of the second connecting section 13 decreases in a direction away from the first connecting section 11.
Specifically, the gunbarrel 10 includes first linkage segment 11 and the second linkage segment 13 that is connected, its connected mode generally adopts the welding, first linkage segment 11 and second linkage segment 13 enclose jointly and close and form and hold chamber 10a, the appearance of first linkage segment 11 and second linkage segment 13 all is roughly cylindricly, the inner chamber of first linkage segment 11 is cylindricly, the inner chamber of second linkage segment 13 is the convergent structure towards the bottom, the sediment that produces after handling tin waste liquid like this is mainly located the inner chamber of this convergent structure, in-process depositing the emission is being carried out, can guarantee that the discharged sediment contains solution less, thereby improve the treatment quality of tin waste liquid. Optionally, the lumen of the second connecting section 13 is substantially conical.
Further, the feed port 111 and the dosing port are both disposed at the top of the first connection section 11, and the liquid discharge port 113 is disposed at the side of the first connection section 11. So set up, can guarantee to hold the tin waste liquid that moves back of more volume in the gunbarrel 10 to more tin waste liquids that move back can be handled at one time, moreover, so set up the feeding of also being convenient for, add medicine and liquid discharge operation.
Further, the liquid discharge port 113 is provided in plural, and the plural liquid discharge ports 113 are provided at intervals in the height direction of the first connection section 11. Since the amount of the tin stripping waste liquid differs for each treatment, a plurality of liquid discharge ports 113 are provided, and an appropriate liquid discharge port 113 can be selected for discharge according to the specific amount.
Referring to fig. 1 and 2, in an embodiment of the present invention, three discharge ports are provided, and the three discharge ports are respectively disposed at the bottom, one third height and one half height of the first connection section 11.
Further, the tin stripping waste liquid treatment device 100 further comprises a liquid discharge assembly 30, the liquid discharge assembly 30 comprises a liquid discharge main pipe 31, a plurality of liquid discharge branch pipes 33, a liquid delivery pump 35 and a filter 37, an inlet of one liquid discharge branch pipe 33 is communicated with a liquid discharge port 113, an outlet of each liquid discharge branch pipe 33 is communicated with one end of the liquid discharge main pipe 31, the other end of the liquid discharge main pipe 31 is communicated with an inlet of the filter 37, the liquid delivery pump 35 is arranged on the liquid discharge main pipe 31, each liquid discharge branch pipe 33 is provided with a liquid control valve 331, and the liquid control valves 331 and the liquid delivery pump 35 are electrically connected to the controller. With the arrangement, after the tin stripping waste liquid in the settling tank 10 is treated to generate solid-liquid separation, a proper discharge port is selected according to the liquid level of the tin stripping waste liquid, the liquid control valve 331 corresponding to the discharge port is opened, the liquid control valves 331 corresponding to other discharge ports are closed, when liquid is discharged, the controller controls the liquid conveying pump 35 to be opened so as to enable the liquid in the settling tank 10 to flow out from the communicated liquid discharge branch pipe 33 and convey the liquid to the filter 37, the filter 37 filters the liquid to remove solid slag in the liquid, the filtered liquid can be used as recycling liquid to be continuously used, so that the full utilization of resources can be realized, and the waste of resources is avoided.
Referring to fig. 1 and fig. 2 again, in an embodiment of the present invention, the tin-stripping waste liquid treatment apparatus 100 further includes an aeration assembly 40, and the aeration assembly 40 includes: the air blower 41 is arranged at the top of the settling tank 10, and is electrically connected with the controller; and an aeration pipe 42, one end of the aeration pipe 42 is communicated with the outlet of the blower 41, and the other end extends into the accommodating cavity 10 a. The aeration pipeline 42 is adopted here, and air is conveyed into the tin stripping waste liquid through the blower 41 to oxidize bivalent tin ions in the tin stripping waste liquid into tetravalent tin ions for precipitation, so that metal ions in supernatant liquor can be reduced as much as possible, and other impurities can be introduced at the same time, and the treatment cost is reduced.
Alternatively, the end of the aeration pipe 42 facing away from the blower 41 has a ring-shaped structure and is disposed around the bottom of the accommodating chamber 10 a. Therefore, the air in the aeration pipeline 42 can be fully contacted with the tin stripping waste liquid, so that bivalent tin ions in the tin stripping waste liquid are more fully oxidized into tetravalent tin ions to be precipitated.
When it should be noted that, the bottom annular aeration pipeline 42 is provided with an aeration hole with an angle of 45 degrees below the bottom, which is beneficial for the air output by the aeration pipe to flow out smoothly and quickly.
Further, the tin-stripping waste liquid treatment device 100 further includes a liquid level probe 50, and the liquid level probe 50 is disposed in the accommodating cavity 10a and electrically connected to the controller. Here, the liquid level probe 50 is mainly used to detect the liquid level information in the settling tank 10 and transmit the liquid level information to the controller, and the controller performs an operation of controlling the liquid delivery pump 35 to be turned on or off according to the detected liquid level information. Specifically, when the liquid level in the settling tank 10 is too high or too low, the controller controls the liquid delivery pump 35 to be turned on or off to avoid the occurrence of evacuation or liquid overflow.
Further, the tin-stripping waste liquid treatment device 100 further comprises a solid-liquid interface detector 60, wherein the solid-liquid interface detector 60 is movably arranged on the outer surface of the precipitation tank 10 and is electrically connected to the controller. The solid-liquid interface detector 60 is used to monitor the solid-liquid separation interface position in the settling tank 10, thereby facilitating control of the shut-down of the liquid delivery pump 35. Optionally, the solid-liquid interface detector 60 may be a capacitive interface detector, and the operation principle thereof is that the detector sends an electronic signal to the liquid in the settling tank 10 during the detection process, a density signal is fed back to the detector after the liquid is detected, an interface is determined according to the difference of densities, and the interface information is fed back to the controller, so as to facilitate the control operation of the liquid delivery pump 35.
Further, referring to fig. 1 to fig. 3 again, the tin-stripping waste liquid treatment apparatus 100 further includes a deposition discharge assembly 70, the deposition discharge assembly 70 includes a deposition discharge pipe 71 and a deposition delivery pump 73, the deposition discharge pipe 71 is connected to the deposition outlet 131, the deposition discharge pipe 71 is provided with a deposition control valve 711, and the deposition control valve 711 and the deposition delivery pump 73 are both electrically connected to the controller. With such an arrangement, after the tin stripping waste liquid in the settling tank 10 is treated to generate solid-liquid separation, the controller controls the settling control valve 711 and the settling conveying pump 73 to be opened, so that the bottom sediment is discharged from the settling outlet 131 and the settling discharge pipe 71 under the conveying action of the settling conveying pump 73.
Referring to fig. 1 and 3 again, a cover 15 is disposed over the feed opening 111 at the top of the settling tank 10, and after the feeding is completed, the cover 15 is disposed over the feed opening 111 to seal the accommodating cavity 10a inside the settling tank 10. Meanwhile, the top of the settling tank 10 is also provided with a protective cover 17, the protective cover 17 covers the feed inlet 111, an opening is formed in one side of the protective cover 17, so that feeding operation is facilitated, and the protective cover 17 can protect the feed inlet 111.
Further, the bottom of the settling tank 10 is provided with a support frame 19, and the support frame 19 is provided with four support legs for supporting and fixing the settling tank 10 and ensuring the stability of the settling tank 10. Meanwhile, since the height of the settling tank 10 is high, a step structure 80 is further provided at one side of the settling tank 10, so that the user stands on the step surface to perform feeding and dosing operations, thereby facilitating the feeding and dosing operations thereof.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a move back tin waste liquid processing apparatus which characterized in that includes:
the sedimentation tank is provided with a containing cavity, a feeding hole, a sedimentation outlet, a liquid discharge port and a dosing port, the feeding hole, the sedimentation outlet, the liquid discharge port and the dosing port are all communicated with the containing cavity, and the sedimentation outlet is arranged at the bottom of the sedimentation tank;
the stirring subassembly, the stirring subassembly includes motor and stirring rake, the motor is located the top of gunbarrel, the one end transmission of stirring rake connect in the output shaft of motor, the other end stretches into hold the intracavity to and
and the controller is electrically connected with the motor and is used for controlling the treatment operation of the tin stripping waste liquid.
2. The tin-stripping waste liquid treatment device as claimed in claim 1, wherein the settling tank comprises a first connecting section and a second connecting section which are sequentially arranged along the height direction of the settling tank and are connected with each other, the first connecting section and the second connecting section jointly enclose to form the accommodating cavity, the feed inlet, the liquid discharge outlet and the dosing port are all arranged at the first connecting section, and the settling outlet is arranged at the bottom of the second connecting section;
the inner diameter of the second connecting section is gradually reduced along the direction departing from the first connecting section.
3. The tin-stripping waste liquid treatment device as claimed in claim 2, wherein the feed inlet and the dosing port are both arranged at the top of the first connecting section, and the liquid discharge port is arranged at the side of the first connecting section.
4. The tin-stripping waste liquid treatment device as claimed in claim 3, wherein the liquid discharge port is provided in plurality, and the plurality of liquid discharge ports are provided at intervals in the height direction of the first connection section.
5. The tin stripping waste liquid treatment device as claimed in claim 4, wherein the tin stripping waste liquid treatment device further comprises a liquid discharge assembly, the liquid discharge assembly comprises a liquid discharge header pipe, a plurality of liquid discharge branch pipes, a liquid delivery pump and a filter, an inlet of one of the liquid discharge branch pipes is communicated with one of the liquid discharge ports, an outlet of each of the liquid discharge branch pipes is communicated with one end of the liquid discharge header pipe, the other end of the liquid discharge header pipe is communicated with an inlet of the filter, the liquid delivery pump is arranged on the liquid discharge header pipe, a liquid control valve is arranged on each of the liquid discharge branch pipes, and the liquid control valve and the liquid delivery pump are electrically connected to the controller.
6. The tin stripping waste liquid treatment device as claimed in any one of claims 1 to 5, further comprising an aeration assembly, the aeration assembly comprising:
the air blower is arranged at the top of the settling tank and is electrically connected with the controller; and
and one end of the aeration pipeline is communicated with the outlet of the air blower, and the other end of the aeration pipeline extends into the accommodating cavity.
7. The tin-stripping waste liquid treatment device as claimed in claim 6, wherein the end of the aeration pipe facing away from the blower is in a ring-shaped structure and is disposed around the bottom of the accommodating chamber.
8. The tin-stripping waste liquid treatment device as claimed in claim 6, further comprising a liquid level probe, wherein the liquid level probe is disposed in the accommodating cavity and electrically connected to the controller.
9. The tin-stripping waste liquid treatment device as claimed in claim 6, further comprising a solid-liquid interface detector movably disposed on the outer surface of the settling tank and electrically connected to the controller.
10. The tin-stripping waste liquid treatment device as claimed in claim 1, further comprising a precipitation discharge assembly, wherein the precipitation discharge assembly comprises a precipitation discharge pipe and a precipitation delivery pump, the precipitation discharge pipe is communicated with the precipitation outlet, the precipitation discharge pipe is provided with a precipitation control valve, and the precipitation control valve and the precipitation delivery pump are both electrically communicated with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556364.2U CN210711070U (en) | 2019-09-16 | 2019-09-16 | Tin stripping waste liquid treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556364.2U CN210711070U (en) | 2019-09-16 | 2019-09-16 | Tin stripping waste liquid treatment device |
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| CN210711070U true CN210711070U (en) | 2020-06-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919604A (en) * | 2021-03-18 | 2021-06-08 | 武平飞天电子科技有限公司 | Nondestructive regeneration treatment process and treatment device for PCB tin stripping wastewater |
| CN114524549A (en) * | 2022-03-07 | 2022-05-24 | 深圳众意远诚环保科技有限公司 | Tin dioxide and tail gas recovery device for tin stripping wastewater |
-
2019
- 2019-09-16 CN CN201921556364.2U patent/CN210711070U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919604A (en) * | 2021-03-18 | 2021-06-08 | 武平飞天电子科技有限公司 | Nondestructive regeneration treatment process and treatment device for PCB tin stripping wastewater |
| CN114524549A (en) * | 2022-03-07 | 2022-05-24 | 深圳众意远诚环保科技有限公司 | Tin dioxide and tail gas recovery device for tin stripping wastewater |
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Effective date of registration: 20200924 Address after: 518101 workshop 201, building 10, Fuhua Industrial Zone, Nanbo Avenue, Tangwei community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Qixin Environmental Protection Technology Co.,Ltd. Address before: 518125 workshop 101, building 10, Fuhua Industrial Zone, Nanbo Avenue, Tangwei community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN QIXIN TIANZHENG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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