CN218968938U

CN218968938U - Pickling waste water filters grid

Info

Publication number: CN218968938U
Application number: CN202221783782.7U
Authority: CN
Inventors: 张明开; 高祥; 肖勇
Original assignee: Jiangsu Sero Anticorrosion Equipment Co ltd
Current assignee: Jiangsu Sero Anticorrosion Equipment Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-05-05
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to an acid washing wastewater treatment device, in particular to an acid washing wastewater filtering grid, which comprises a mounting seat and a filtering device, wherein the mounting seat is provided with a first baffle plate, a water inlet and a water outlet are respectively arranged at the front end and the rear end of the mounting seat, a filter screen slot and a filter membrane slot are arranged at the top of the mounting seat, the filtering device comprises a filter screen, a filter membrane fixing frame and a filter membrane, the filter screen is positioned in the filter screen slot, and the filter membrane fixing frame is positioned in the filter membrane slot so as to be convenient for replacing the filter screen and the filter membrane; through setting up impurity collecting vat at the mount pad rear end, impurity collecting vat is located first baffle below, is equipped with the receipts magazine in the impurity collecting vat, and the perpendicular direction sets up the second baffle in the receipts magazine, sets up two unloading holes on the first baffle, and two unloading holes are located the second baffle both sides respectively, the collection of the waste material of being convenient for has improved filtration work's efficiency.

Description

Pickling waste water filters grid

Technical Field

The utility model relates to an acid washing wastewater treatment device, in particular to an acid washing wastewater filtering grid.

Background

The main purpose of pickling is to remove rust and oxide on the surface of steel, and the commonly used pickling agent is acid solution such as hydrochloric acid, sulfuric acid, phosphoric acid and the like, a large amount of iron ion impurities can appear in the pickling process, and when the pickling wastewater is purified, the impurities cannot be purified, so that the pickling wastewater needs to be filtered before being purified, and the impurities are intercepted.

The existing filtering mode is to filter the acid washing wastewater by using a filtering grid to achieve the purpose of solid-liquid separation, and the existing filtering grid is divided into a mechanical grid and a screen type grid; the filter screen type grille has good separation effect, but the accumulated filtered residues are cleaned manually, the filter screen is also required to be replaced periodically, a great amount of time is spent on workers, the filtering work is stopped firstly, and the acid washing wastewater is discharged completely to replace a new filter screen; therefore, a filter grid is needed, which can facilitate the cleaning of residues after filtration and can replace a filter screen on the premise of not discharging acid washing wastewater.

Disclosure of Invention

The utility model provides the following technical scheme for solving the technical problems in the background art:

the utility model provides a pickling waste water filter grille, includes mount pad, filter equipment, the mount pad is hollow box body, horizontal direction is provided with first baffle in the mount pad, is provided with water flow channel on the mount pad, water flow channel is located first baffle top, the mount pad top is provided with the filter screen slot, symmetry is provided with first stopper on the mount pad left and right sides inner wall, first stopper is located first baffle top, first stopper is located filter screen slot both ends, the mount pad top is provided with the filter membrane slot, the filter membrane slot with the filter screen slot is parallel, the filter membrane slot is located filter screen slot one side, symmetry is provided with first spacing groove on the mount pad left and right sides inner wall, first spacing groove is located first baffle top, first spacing groove is located filter membrane slot both ends.

Be provided with impurity collecting vat on the mount pad, impurity collecting vat is located first baffle below, clearance fit has the receipts magazine in the impurity collecting vat, be provided with the second baffle in the receipts magazine, be provided with two unloading holes on the first baffle, two the unloading hole is located the second baffle both sides respectively.

The filter device comprises a filter screen, a filter membrane fixing frame and a filter membrane, wherein the size of the filter screen corresponds to that of a filter screen slot, first fixing grooves are formed in the left side and the right side of the filter screen, the shape and the size of the first fixing grooves correspond to those of first limiting blocks, the filter membrane fixing frame comprises a first fixing frame and a second fixing frame, the first fixing frame and the second fixing frame are of square frame structures, the second fixing groove is formed in one side of the first fixing frame, a fixing block is arranged on one side of the first fixing frame, the second fixing groove is in interference fit with the fixing block, second limiting blocks are respectively arranged on the left side and the right side of the first fixing frame and the right side of the second fixing frame, the size of each second limiting block is half of the size of each first limiting groove, and the filter membrane is located between the first fixing frame and the second fixing frame.

Preferably, the size of the holes in the filter screen is 16mm.

Preferably, the pore size on the filter membrane is 3mm.

Preferably, one end of the material receiving box is provided with a handle.

Preferably, third limiting blocks are symmetrically arranged on the left side and the right side of the front end of the mounting seat, second limiting grooves are formed in the third limiting blocks, and flow blocking plates are in interference fit in the two second limiting grooves.

The beneficial effects of the utility model are as follows:

1. through setting up the mount pad, set up filter screen slot and filter membrane slot on the mount pad, filter screen is inserted to filter screen slot, and filter membrane is inserted to filter membrane slot, is convenient for change new filter screen and filter membrane, need not to stop filtering work and clean pickling waste water; set up the baffle on the mount pad, set up the unloading hole on the baffle, set up impurity collecting vat on the mount pad, impurity collecting vat is located the baffle below, and impurity collecting vat in-connection receives the magazine, can take out the residue after filtering through changing the receipts magazine, convenient and fast.

2. Through setting up filtration membrane to set up filtration membrane's hole size for 3mm, can be further filter pickling waste water, improve filterable effect.

3. Through setting up the third stopper on the mount pad, set up the second spacing groove on the third stopper, insert the fender flow board in the second spacing groove, can block pickling waste water when filter screen and receipts magazine are changed, prevent to have a large amount of waste water to flow through during the change, reduce the filter effect.

Drawings

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

FIG. 2 is an enlarged view of the circle in FIG. 1;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 4 is an enlarged view of the circle in FIG. 3;

FIG. 5 is a schematic diagram of a second embodiment of the present utility model;

fig. 6 is an enlarged view of the circle in fig. 5.

In the figure: 1. a mounting base; 1-1, a first separator; 1-2, blanking holes; 2. a filtering device; 3. a water flow channel; 5. a filter screen slot; 6. a first limiting block; 7. a filter membrane slot; 8. a first limit groove; 9. an impurity collection tank; 10. a receiving box; 10-1, a second separator; 11. a filter screen; 12. a filter membrane fixing frame; 12-1, a first fixing frame; 12-2, a second fixing frame; 13. a filtering membrane; 14. a first fixing groove; 15. a second fixing groove; 16. a fixed block; 17. a second limiting block; 18. a handle; 19. a third limiting block; 20. the second limit groove; 21. and a flow baffle.

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.

In the description of the present utility model, it should be understood that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The connection modes described by the terms "fixedly connected", "fixedly arranged" include, but are not limited to, "welded", "riveted", "adhered", "screwed". The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus

The terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Example 1

Referring to fig. 1-4, a pickling waste water filtering grid, including mount pad 1, filter equipment 2, mount pad 1 is hollow box body, is provided with first baffle 1-1 in the mount pad 1 horizontal direction, is provided with water flow channel 3 on the mount pad 1, water flow channel 3 is located first baffle 1-1 top, and mount pad 1 top is provided with filter screen slot 5, and the symmetry is provided with first stopper 6 on the inner wall of mount pad 1 left and right sides, and first stopper 6 is located first baffle 1-1 top, and first stopper 6 is located filter screen slot 5 both ends, and mount pad 1 top is provided with filter membrane slot 7, and filter membrane slot 7 is parallel with filter screen slot 5, and filter membrane slot 7 is located filter screen slot 5 one side, and the symmetry is provided with first spacing groove 8 on the inner wall of mount pad 1 left and right sides, and first spacing groove 8 is located first baffle 1-1 top, and first spacing groove 8 is located filter membrane slot 7 both ends.

The mounting seat 1 is provided with an impurity collecting tank 9, the impurity collecting tank 9 is located below the first partition board 1-1, the impurity collecting tank 9 is in clearance fit with a receiving box 10, a second partition board 10-1 is arranged in the receiving box 10, the first partition board 1-1 is provided with two blanking holes 1-2, and the two blanking holes 1-2 are located on two sides of the second partition board 10-1 respectively.

The filtering device 2 comprises a filtering screen 11, a filtering membrane fixing frame 12 and a filtering membrane 13, wherein the size of the filtering screen 11 corresponds to that of a filtering screen slot 5, first fixing grooves 14 are formed in the left side and the right side of the filtering screen 11, the shape and the size of the first fixing grooves 14 correspond to those of first limiting blocks 6, the filtering membrane fixing frame 12 comprises a first fixing frame 12-1 and a second fixing frame 12-2, the first fixing frame 12-1 and the second fixing frame 12-2 are of square frame structures, a second fixing groove 15 is formed in one side of the first fixing frame 12-1, a fixing block 16 is arranged on one side of the first fixing frame 12-2, the second fixing groove 15 is in interference fit with the fixing block 16, second limiting blocks 17 are respectively arranged on the left side and the right side of the first fixing frame 12-1 and the second fixing frame 12-2, the size of the second limiting blocks 17 is half that of the first limiting grooves 8, and the filtering membrane 13 is located between the first fixing frame 12-1 and the second fixing frame 12-2.

Preferably, the size of the holes in the filter screen 11 is 16mm.

Preferably, the pore size on the filter membrane 13 is 3mm.

Preferably, the cartridge 10 is provided with a handle 18 at one end.

In actual operation, the pickling waste water is filtered for the first time through the filter screen 11, filtered residues can fall into the receiving box 10 in the impurity collecting tank below through the blanking hole, then the second filtering is completed through the filter membrane 13, and filtered residues fall into the receiving box 10 in the impurity collecting tank below 9 through the blanking hole.

When the filter screen 11 needs to be replaced, the filter screen 11 is only required to be taken out from the filter screen slot 5, then a new filter screen 11 is inserted into the filter screen slot 5, and the first limiting block 5 on the filter screen slot 5 is inserted into the fixing groove 14 on the filter screen 11.

When the filter membrane 13 needs to be replaced, the filter membrane fixing frame 12 is taken out from the filter membrane slot 7, the first fixing frame 12-1 and the second fixing frame 12-2 are separated, a new filter membrane 13 is replaced, the new filter membrane 13 is placed between the two fixing frames, then the first fixing frame 12-1 and the second fixing frames 12-2 are matched and fixed through the second fixing groove 15 and the fixing block 16, then the filter membrane fixing frame 12 is inserted into the filter membrane slot 7, and the second limiting block 17 is inserted into the first limiting groove 8.

When the receiving box 10 needs to be replaced, the receiving box 10 is only required to be taken out from the magazine receiving groove 9, and then a new receiving box is replaced.

Example two

Referring to fig. 5-6, the first difference between this embodiment and the first embodiment is that, in this embodiment, third limiting blocks 19 are symmetrically disposed on the left and right sides of the front end of the mounting seat 1, a second limiting groove 20 is disposed on the third limiting block 19, and two flow blocking plates 21 are interference fit in the second limiting grooves 20.

In actual operation, when the filter screen 11, the filter membrane 13 and the material receiving box 10 are replaced, the baffle plate 21 can be inserted into the second limit groove 20 first, so that the pickling wastewater is prevented from continuously flowing into the filter grid, and then the replacement work is performed.

Claims

1. The utility model provides a pickling waste water filtering grid, includes mount pad (1), filter equipment (2), its characterized in that, mount pad (1) is hollow box body, horizontal direction is provided with first baffle (1-1) in mount pad (1), is provided with water flow channel (3) on mount pad (1), water flow channel (3) are located first baffle (1-1) top, mount pad (1) top is provided with filter screen slot (5), symmetry is provided with first stopper (6) on the inner wall of mount pad (1) left and right sides, first stopper (6) are located first baffle (1-1) top, first stopper (6) are located filter screen slot (5) both ends, mount pad (1) top is provided with filter membrane slot (7), filter membrane slot (7) with filter screen slot (5) are parallel, filter membrane slot (7) are located filter screen slot (5) one side, be provided with first stopper (8) on the inner wall of mount pad (1) left and right sides, first stopper (8) are located first stopper (8) both ends are located first baffle (1);

the device is characterized in that an impurity collecting tank (9) is arranged on the mounting seat (1), the impurity collecting tank (9) is located below the first partition board (1-1), a material collecting box (10) is in clearance fit in the impurity collecting tank (9), a second partition board (10-1) is arranged in the material collecting box (10), two blanking holes (1-2) are formed in the first partition board (1-1), and the two blanking holes (1-2) are respectively located on two sides of the second partition board (10-1);

the filtering device (2) comprises a filtering net (11), a filtering film fixing frame (12) and a filtering film (13), wherein the size of the filtering net (11) corresponds to that of a filtering net slot (5), a first fixing groove (14) is formed in the left side and the right side of the filtering net (11), the shape and the size of the first fixing groove (14) correspond to those of a first limiting block (6), the filtering film fixing frame (12) comprises a first fixing frame (12-1) and a second fixing frame (12-2), the first fixing frame (12-1) and the second fixing frame (12-2) are of square frame structures, a second fixing groove (15) is formed in one side of the first fixing frame (12-1), a fixing block (16) is arranged on one side of the first fixing frame (12-1), the second fixing groove (15) is in interference fit with the fixing block (16), a second limiting block (17) is respectively formed in the left side and the right side of the second fixing frame (12-2), and the second fixing frame (17) is of a size which is smaller than half of the first fixing frame (12-1).

2. An acid wash waste water filter grid according to claim 1, characterised in that the pore size on the filter screen (11) is 16mm.

3. An acid wash wastewater filter grid according to claim 2, characterized in that the pore size on the filter membrane (13) is 3mm.

4. A pickling waste water filter grid according to claim 3, characterised in that the receiving box (10) is provided with a handle (18) at one end.

5. The pickling wastewater filtering grid according to claim 1, wherein third limiting blocks (19) are symmetrically arranged on the left side and the right side of the front end of the mounting seat (1), second limiting grooves (20) are formed in the third limiting blocks (19), and flow blocking plates (21) are in interference fit in the two second limiting grooves (20).