CN219023581U

CN219023581U - Filtrate regenerating unit of tin waste liquid moves back

Info

Publication number: CN219023581U
Application number: CN202320075243.6U
Authority: CN
Inventors: 张明龙; 刘家玮
Original assignee: Guangdong Sancai Environmental Protection Technology Co ltd
Current assignee: Guangdong Sancai Environmental Protection Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-16
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the technical field of tin stripping liquid, in particular to a filtrate regenerating device for tin stripping waste liquid, which can clean up impurities and solidified matters in a container, reduce the impurities in the tin stripping waste liquid and is beneficial to tin stripping waste liquid regeneration.

Description

Filtrate regenerating unit of tin waste liquid moves back

Technical Field

The utility model relates to the technical field of tin stripping liquid, in particular to a filtrate regenerating device of tin stripping waste liquid.

Background

As is well known, a stripping solution is one of the main chemical materials used in the production of printed wiring boards, and is used for stripping tin plating, tin-lead alloy plating and tin soldering points, and in the process of manufacturing printed wiring boards, the stripping solution is required to remove tin protection layers on the printed wiring boards, and tin stripping waste liquid is generated in the process, however, the tin stripping waste liquid cannot be directly discharged, so that the tin stripping waste liquid needs to be treated.

Generally, the tin stripping waste water is stored in a container, the tin stripping waste water contains a large amount of impurities and solidified matters, the impurities and the solidified matters are precipitated at the bottom of the container, the solidified matters in the tin stripping waste water are required to be subjected to dry-wet separation, the solidified matters are extracted, the tin stripping waste water is required to be injected into a filter press by a water pump when the tin stripping waste water is subjected to dry-wet separation, and the impurities and the solidified matters in the container cannot be cleaned up only by the water pump due to the fact that the large amount of impurities and the solidified matters are arranged at the bottom of the container, and a small amount of impurities still exist in the tin stripping waste water after the tin stripping waste water is subjected to dry-wet separation.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a filtrate regenerating device for tin stripping waste liquid, which can clean up impurities and solidified matters in a container, reduce the impurities in the tin stripping waste liquid and is beneficial to the regeneration of the tin stripping waste liquid.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a draw back filtrate regenerating unit of tin waste liquid, including stewing the case, the outside of stewing the case bottom is provided with driving motor, and the inside of stewing the case bottom is provided with the screw conveyer axle, and the bottom of stewing the case is provided with the conveyer pipe, and the one end of conveyer pipe is provided with the pressure filter, and the bottom of pressure filter is provided with tin mud collecting box, and the bottom of tin mud collecting box is provided with the transfer line, and the one end of transfer line is provided with the holding vessel, and the inside bottom of holding vessel is provided with the several baffle, and the middle part of holding vessel is provided with the fluid-discharge tube, and the bottom of holding vessel is provided with the blow off pipe.

Further, the spiral conveying shaft and the driving motor are concentrically connected.

Further, each baffle is obliquely arranged.

Further, the conveying pipe is communicated with the standing box and the filter press, and a water pump is arranged on the conveying pipe.

Further, the infusion tube is communicated with the filter press and the storage tank.

Further, a first valve is arranged on the liquid discharge pipe.

Further, a second valve is provided on the discharge pipe.

(III) beneficial effects

Compared with the prior art, the utility model provides a filtrate regenerating device for tin stripping waste liquid, which has the following beneficial effects:

this filtrate regenerating unit of tin waste liquid moves back, through driving motor and screw conveyer axle's setting, when moving back tin waste liquid to the inside of pressure filter annotate, after starting driving motor, driving motor drives screw conveyer axle and rotates and to carry impurity and solidification thing of standing the case bottom, replaced tradition and only carried impurity and solidification thing through the water pump, thereby impurity and solidification thing clearance in the container can be cleaner, through the setting of baffle, can effectually prevent that the impurity that the bottom precipitated mixes in moving back tin waste liquid at top again, can effectively reduce the impurity in the tin waste liquid that moves back, be favorable to moving back tin waste liquid regeneration.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an isometric structure of a stationary box of the present utility model;

FIG. 3 is a schematic cross-sectional view of a stationary box of the present utility model;

fig. 4 is a schematic cross-sectional structure of the storage tank of the present utility model.

In the figure: 1. standing the box; 2. a driving motor; 3. a screw conveying shaft; 4. a delivery tube; 5. a filter press; 6. a tin mud collecting box; 7. an infusion tube; 8. a storage tank; 9. a liquid discharge pipe; 10. a discharge pipe; 11. a baffle; 12. a water pump; 13. a first valve; 14. and a second valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the filtrate recycling device of tin stripping waste liquid of the present utility model comprises a standing box 1, a driving motor 2 is arranged outside the bottom of the standing box 1, a screw conveying shaft 3 is arranged inside the bottom of the standing box 1, the screw conveying shaft 3 and the driving motor 2 are concentrically connected, when the tin stripping waste liquid is injected into the filter press 5, after the driving motor 2 is started, the driving motor 2 drives the screw conveying shaft 3 to rotate so as to convey impurities and solidified matters at the bottom of the standing box 1, instead of the traditional method of conveying the impurities and the solidified matters only by a water pump 12, so that the impurities and the solidified matters in a container can be cleaned more cleanly, a conveying pipe 4 is arranged at the bottom of the standing box 1, the conveying pipe 4 is communicated with the standing box 1 and the filter press 5, a water pump 12 is arranged on the conveying pipe 4, conveying the tin-stripping waste liquid into a filter press 5, wherein one end of a conveying pipe 4 is provided with the filter press 5, carrying out dry-wet separation on impurities in the tin-stripping waste liquid, the bottom end of the filter press 5 is provided with a tin mud collecting box 6 for collecting tin mud separated from the tin-stripping waste liquid, the bottom of the tin mud collecting box 6 is provided with a liquid conveying pipe 7, the liquid conveying pipe 7 is communicated with the filter press 5 and a storage tank 8, one end of the liquid conveying pipe 7 is provided with the storage tank 8, the bottom inside the storage tank 8 is provided with a plurality of baffle plates 11, each baffle plate 11 is obliquely arranged, impurities precipitated at the bottom can be effectively prevented from being mixed into the tin-stripping waste liquid at the top again, the impurities in the tin-stripping waste liquid can be effectively reduced, the tin-stripping waste liquid is facilitated to be regenerated, the middle part of the storage tank 8 is provided with a liquid discharging pipe 9, the liquid discharging pipe 9 is provided with a first valve 13, the bottom end of the storage tank 8 is provided with a discharging pipe 10, the discharge pipe 10 is provided with a second valve 14.

To sum up, this filtrate regenerating unit of tin-stripping waste liquid, when using, will move back tin waste liquid and store in the inside of keeping still case 1, the impurity and the solidification thing in the tin-stripping waste liquid deposit in the bottom of keeping still case 1, when carrying the tin-stripping waste liquid to the press, only start water pump 12, can't carry the impurity and the solidification thing of keeping still case 1 bottom to pressure filter 5 in, need driving motor 2, driving motor 2 drives spiral conveying shaft 3 and rotates can carry the impurity and the solidification thing of keeping still case 1 bottom, make the impurity and the solidification thing clearance of keeping still case 1 inside cleaner, the tin mud after the filter-pressing falls into tin mud collecting box 6, the tin-stripping waste liquid of discharge flows into the inside of holding vessel 8, can effectually prevent that the impurity that the bottom from depositing from mixing again in the tin-stripping waste liquid at top, drain pipe 9 will remove impurity again and move the tin-stripping waste liquid of impurity that the holding vessel 8 bottom deposits again, drain pipe 10.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a remove filtrate regenerating unit of tin waste liquid, includes case (1) of standing, its characterized in that: the utility model discloses a tin mud collection box, including conveyer pipe (8), conveyer pipe (5), conveyer pipe (4), conveyer pipe (6), conveyer pipe (7) and holding tank (1), the outside of bottom is provided with driving motor (2), the inside of holding tank (1) bottom is provided with screw conveyer axle (3), the bottom of holding tank (1) is provided with conveyer pipe (4), the one end of conveyer pipe (4) is provided with pressure filter (5), the bottom of pressure filter (5) is provided with tin mud collection box (6), the bottom of tin mud collection box (6) is provided with transfer line (7), the one end of transfer line (7) is provided with holding vessel (8), the inside bottom of holding vessel (8) is provided with several baffle (11), the middle part of holding vessel (8) is provided with fluid-discharge tube (9), the bottom of holding vessel (8) is provided with blow off pipe (10).

2. The filtrate regenerating device for tin stripping waste liquid according to claim 1, wherein: the spiral conveying shaft (3) and the driving motor (2) are concentrically connected.

3. The filtrate regenerating device for tin stripping waste liquid according to claim 1, wherein: each baffle (11) is obliquely arranged.

4. The filtrate regenerating device for tin stripping waste liquid according to claim 1, wherein: the conveying pipe (4) is communicated with the standing box (1) and the filter press (5), and the conveying pipe (4) is provided with a water pump (12).

5. The filtrate regenerating device for tin stripping waste liquid according to claim 1, wherein: the infusion tube (7) is communicated with the filter press (5) and the storage tank (8).

6. The filtrate regenerating device for tin stripping waste liquid according to claim 1, wherein: the liquid discharge pipe (9) is provided with a first valve (13).

7. The filtrate regenerating device for tin stripping waste liquid according to claim 1, wherein: the discharge pipe (10) is provided with a second valve (14).