CN211676460U

CN211676460U - Hydrofluoric acid waste liquid purifies recovery unit

Info

Publication number: CN211676460U
Application number: CN201922022351.3U
Authority: CN
Inventors: 陈江平; 李方亮
Original assignee: Huangshi Huijing Display Technology Co ltd
Current assignee: Huangshi Huijing Display Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-10-16
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a hydrofluoric acid waste liquid purification and recovery device, which comprises a treatment box outer shell, a first recovery barrel, a second recovery barrel, a pneumatic pump, a catheter and an electric pump, wherein the treatment box outer shell, the first recovery barrel and the second recovery barrel are communicated through the catheter; through design plastics cursory, under the effect of buoyancy and gravity, the pipe that absorbs water just immerses in the clear liquid, it finishes to ensure to absorb water the pipe clear liquid extraction with the upper end as far as, and avoid extracting the precipitate crystallization thing of lower extreme, set up emergent pond, the collecting pit, first recycling bin and second recycling bin, make the clear liquid through cubic analytic precipitation separation at the normal atmospheric temperature, separation HF stoste and fluosilicic acid make muddy liquid become clear and reduce impurity, the sludge amount reduces, the subsidiary product reduces, the space increases, practice thrift the manpower, reduce working strength, the while is reduced the destruction degree of environment.

Description

Hydrofluoric acid waste liquid purifies recovery unit

Technical Field

The utility model belongs to the technical field of hydrofluoric acid waste liquid treatment, concretely relates to hydrofluoric acid waste liquid purifies recovery unit.

Background

The etching machine can be divided into a chemical etching machine and an electrolytic etching machine, wherein the chemical etching uses chemical solution to achieve the purpose of etching through chemical reaction, and the etching machine can generate hydrofluoric acid waste liquid in the using process and is collected and processed through waste liquid processing equipment.

The existing hydrofluoric acid waste liquid purification and recovery device has the problems that the content of fluosilicic acid in hydrofluoric acid waste liquid discharged by an etching machine is high, the liquid is turbid and milk-shaped, is not separated, is low in recovery utilization rate and high in treatment cost, and subsidiary products are difficult to treat in multiple processes, so that the hydrofluoric acid waste liquid purification and recovery device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrofluoric acid waste liquid purifies recovery unit to solve the current hydrofluoric acid waste liquid that proposes in the above-mentioned background art and purify recovery unit, it is higher to have fluosilicic acid content in the hydrofluoric acid waste liquid that the etching machine discharged, and liquid turbidity is the milk form, does not separate, and recycle rate is low, and processing cost is high, the problem of the multiprocessing difficulty of accessory product.

In order to achieve the above object, the utility model provides a following technical scheme: a hydrofluoric acid waste liquid purification and recovery device comprises a treatment box shell, a first recovery barrel, a second recovery barrel, a pneumatic pump, a liquid guide pipe and an electric pump, wherein the treatment box shell, the first recovery barrel and the second recovery barrel are communicated with each other through the liquid guide pipe, a baffle is fixedly arranged inside the treatment box shell, an emergency pool and a collection pool are formed between two side faces of the baffle and the inner surface of the treatment box shell, the pneumatic pump and the electric pump are fixedly arranged at the top end of the treatment box shell, liquid suction ports of the pneumatic pump and the electric pump respectively extend into the collection pool and the emergency pool through the liquid guide pipe, limiting rods are fixedly arranged on the inner top walls of the emergency pool and the collection pool, a plastic buoy is sleeved on the outer surface of each limiting rod in a sliding mode, a water suction pipe is fixedly arranged on the lower surface of the plastic buoy, and a first telescopic hose is connected to the end portion of the, the other end of the first flexible hose is connected with the liquid guide pipe in an airtight mode.

Preferably, the upper end cover of first recycling bin and second recycling bin has all seted up the intubate mouth, the intubate intraoral embedding is provided with the intubate, the upper end sealing connection of intubate has the second bellows, the upper end and the catheter gas tightness of second bellows are connected, the fixed cover in surface upper end of intubate is equipped with the sleeve pipe, the fixed internal thread ring that is provided with in sheathed tube upper end, the external surface at the catheter is established to internal thread ring clearance cover, and the external surface fixed cover of catheter is equipped with the external screw thread ring, the internal thread ring closes with the external screw thread ring through the screw thread and is connected.

Preferably, the connecting end of the insertion tube and the second flexible hose and the connecting end of the catheter and the second flexible hose are both provided with limiting rings, the two ends of the sleeve are provided with limiting plugs, and the limiting rings are matched with the limiting plugs.

Preferably, the outer surface of the sleeve is sleeved with a rubber sleeve, and the rubber sleeve is provided with anti-skid lines.

Preferably, the plastic buoy is a polytetrafluoroethylene buoy, the water suction pipe is a polytetrafluoroethylene water pipe and is of a circular ring structure, and the lower surface of the water suction pipe is provided with a water suction port.

Preferably, the plastic buoy is of a circular ring structure, a circular ring is fixedly arranged in the middle of the plastic buoy, the circular ring is slidably sleeved on the outer surface of the limiting rod, and a through hole is formed between the plastic buoy and the circular ring.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through design plastics cursory, under the effect of buoyancy and gravity, the pipe that absorbs water just immerses in the clear liquid, it finishes to ensure to absorb water the pipe clear liquid extraction with the upper end as far as, and avoid extracting the precipitate crystallization thing of lower extreme, set up emergent pond, the collecting pit, first recycling bin and second recycling bin, make the clear liquid through cubic analytic precipitation separation at the normal atmospheric temperature, separation HF stoste and fluosilicic acid make muddy liquid become clear and reduce impurity, the sludge amount reduces, the subsidiary product reduces, the space increases, practice thrift the manpower, reduce working strength, the while is reduced the destruction degree of environment.

(2) Through design sleeve pipe and second expansion hose, the end cover of being convenient for open first recycling bin and second recycling bin clears up the sediment of inside and detach, sets up the rubber sleeve that has anti-skidding line, is convenient for grip and remove and rotate the sleeve pipe, sets up ring annular structure's plastics cursory, and the precipitate of being convenient for passes through the through-hole landing, avoids its floating that influences plastics cursory.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the plastic float of the present invention;

fig. 3 is a cross-sectional view of the sleeve of the present invention;

FIG. 4 is a flow chart of waste liquid purification according to the present invention;

in the figure: 1. treating the case outer shell; 2. a first flexible hose; 3. a limiting rod; 4. plastic floating; 5. a suction pipe; 6. an emergency pool; 7. a collection tank; 8. a first recycling bin; 9. a second recovery tank; 10. a pneumatic pump; 11. a sleeve; 12. an internally threaded ring; 13. an externally threaded ring; 14. a catheter; 15. an electric pump; 16. a circular ring; 17. a second flexible hose; 18. and (4) inserting a tube.

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 work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a hydrofluoric acid waste liquid purification and recovery device comprises a treatment box outer shell 1, a first recovery barrel 8, a second recovery barrel 9, a pneumatic pump 10, a liquid guide tube 14 and an electric pump 15, wherein the treatment box outer shell 1, the first recovery barrel 8 and the second recovery barrel 9 are communicated through the liquid guide tube 14, a partition plate is fixedly arranged inside the treatment box outer shell 1, an emergency pool 6 and a collection pool 7 are formed between two side surfaces of the partition plate and the inner surface of the treatment box outer shell 1, the pneumatic pump 10 and the electric pump 15 are fixedly arranged at the top end of the treatment box outer shell 1, liquid pumping ports of the pneumatic pump 10 and the electric pump 15 respectively extend into the collection pool 7 and the emergency pool 6 through the liquid guide tube 14, limiting rods 3 are fixedly arranged on inner top walls of the emergency pool 6 and the collection pool 7, a plastic float 4 is slidably sleeved on the outer surface of the limiting rods 3, and a water suction tube 5 is fixedly arranged on the lower surface, the tip gas tight connection that absorbs water pipe 5 has first bellows 2, the other end and the catheter 14 gas tight connection of first bellows 2, under the effect of buoyancy and gravity, the emergent pond of lower surface contact 6 of plastics cursory 4 and the precipitation clear liquid in the collecting pit 7, consequently, absorb water pipe 5 just immerses in the clear liquid, and the position of plastics cursory 4 can be according to the height of clear liquid along the freely adjusting of 3 upper and lower slides of gag lever post, first bellows 2 follows the removal of plastics cursory 4 and carries out automatic flexible simultaneously, ensure that absorb water pipe 5 can finish the clear liquid extraction of upper end as far as, and avoid extracting the deposit crystal of lower extreme as far as possible, be convenient for deposit and the abundant separation of clear liquid.

In this embodiment, the upper end caps of the first recycling bin 8 and the second recycling bin 9 are both provided with cannula openings, cannula 18 is embedded in the cannula openings, the upper end of the cannula 18 is hermetically connected with a second flexible hose 17, the upper end of the second flexible hose 17 is hermetically connected with the liquid guide tube 14, a sleeve 11 is fixedly sleeved on the upper end of the outer surface of the cannula 18, an internal thread ring 12 is fixedly arranged on the upper end of the sleeve 11, the internal thread ring 12 is sleeved on the outer surface of the liquid guide tube 14 in a clearance manner, an external thread ring 13 is fixedly sleeved on the outer surface of the liquid guide tube 14, the internal thread ring 12 is screwed with the external thread ring 13, the sleeve 11 and the second flexible hose 17 are arranged, the sleeve 11 is lifted up along the liquid guide tube 14 in a sliding manner, the sleeve 11 is rotated after the internal thread ring 12 is matched with the external thread ring 13, and, at this time, the second flexible tube 17 is received, and the lower end of the insertion tube 18 extends out of the insertion tube opening, so that the end covers of the first recovery barrel 8 and the second recovery barrel 9 can be opened to clean and remove the internal sediment.

In this embodiment, the connection end of the insertion tube 18 and the second flexible hose 17 and the connection end of the catheter 14 and the second flexible hose 17 are both provided with a limiting ring, the two ends of the sleeve 11 are provided with a limiting plug, the limiting ring is matched with the limiting plug, and the sleeve 11 is provided with the limiting ring and the limiting plug, so that the sleeve 11 can be fixedly connected with the catheter 14 and the insertion tube 18 after the fixing of the internal thread ring 12 and the external thread ring 13 is released.

In this embodiment, the surface cover of sleeve pipe 11 is equipped with the rubber sleeve, is provided with anti-skidding line on the rubber sleeve, sets up the rubber sleeve that has anti-skidding line, is convenient for grip the removal and rotate sleeve pipe 11.

In this embodiment, plastics are cursory 4 for polytetrafluoroethylene cursory, and the pipe that absorbs water 5 is the polytetrafluoroethylene water pipe, and absorb water pipe 5 and be the ring structure, and the water absorption mouth has been seted up to the lower surface of the pipe that absorbs water 5, sets up the pipe that absorbs water 5 that the opening is downward and be the ring structure, is convenient for absorb the sediment clear solution.

In this embodiment, plastics are cursory 4 and are the loop configuration, and the fixed ring 16 that is provided with in middle part of plastics cursory 4, and the ring 16 slip cap is established at gag lever post 3's surface, has seted up the through-hole between plastics cursory 4 and the ring 16, sets up the plastics cursory 4 of loop configuration, and the precipitate of being convenient for passes through the through-hole landing, avoids it to adhere to and piles up the upper surface influence the unsteady context of plastics cursory 4 at plastics cursory 4.

The utility model discloses a theory of operation and use flow: by arranging the plastic float 4, under the action of buoyancy and gravity, the lower surface of the plastic float 4 is contacted with the precipitation clear liquid in the emergency pool 6 and the collection pool 7, so the water suction pipe 5 is just immersed in the clear liquid, the position of the plastic float 4 can freely slide up and down along the limiting rod 3 according to the height of the clear liquid, and simultaneously the first flexible hose 2 automatically stretches and retracts along the movement of the plastic float 4, thereby ensuring that the water suction pipe 5 can completely extract the clear liquid at the upper end as much as possible, and avoiding extracting the precipitation crystal at the lower end as much as possible, facilitating the full separation of the precipitation and the clear liquid, preparing the clear liquid by three times of resolution precipitation separation at normal temperature by arranging the emergency pool 6, the collection pool 7, the first recovery barrel 8 and the second recovery barrel 9, separating the HF stock solution and the fluosilicic acid to enable the turbid liquid to be changed into clear impurities, reducing the sludge amount, reducing the subsidiary products and increasing, the labor is saved, the working strength is reduced, and the damage degree to the environment is reduced;

the sleeve 11 and the second telescopic hose 17 are arranged, the sleeve 11 is slidingly lifted up along the catheter 14, the sleeve 11 is fixed by screwing the internal thread ring 12 and the external thread ring 13, make 18 lower extreme of intubate stretch out from the intubate mouth, the end cover of being convenient for to open first recovery bucket 8 and second recovery bucket 9 is detached the clearance of the sediment of inside, set up spacing ring and spacing end cap, be convenient for remove internal thread ring 12 and external thread ring 13 fixed back sleeve pipe 11 can with

catheter

14 and 18 fixed connection of intubate, avoid causing the damage of dragging to second expansion hose 17, set up the opening and downwards and be ring structure's the pipe 5 that absorbs water, be convenient for absorb and precipitate the clear liquid, set up ring structure's plastics cursory 4, the precipitate of being convenient for passes through the through-hole landing, avoid it to adhere to and pile up and influence the unsteady 4 of plastics cursory from top to bottom at plastics cursory 4 at the upper surface.

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

Claims

1. The utility model provides a hydrofluoric acid waste liquid purifies recovery unit, is including handling case shell body (1), first recycling bin (8), second recycling bin (9), pneumatic pump (10), catheter (14) and electric pump (15), it is linked together its characterized in that through catheter (14) to handle between case shell body (1), first recycling bin (8) and the second recycling bin (9): a clapboard is fixedly arranged inside the treatment box outer shell (1), an emergency pool (6) and a collecting pool (7) are formed between two side surfaces of the clapboard and the inner surface of the treatment box outer shell (1), the pneumatic pump (10) and the electric pump (15) are fixedly arranged at the top end of the treatment box outer shell (1), and the liquid pumping ports of the pneumatic pump (10) and the electric pump (15) respectively extend into the collecting tank (7) and the emergency tank (6) through the liquid guide pipe (14), the inner top walls of the emergency pool (6) and the collecting pool (7) are both fixedly provided with a limiting rod (3), the outer surface of the limiting rod (3) is sleeved with a plastic float (4) in a sliding way, a water suction pipe (5) is fixedly arranged on the lower surface of the plastic float (4), the end part of the water suction pipe (5) is connected with a first flexible hose (2) in an airtight way, the other end of the first flexible hose (2) is connected with a liquid guide pipe (14) in an airtight mode.

2. The hydrofluoric acid waste liquid purification and recovery device according to claim 1, wherein: the utility model discloses a catheter, including first recycling bin (8), second recycling bin (9), intubate mouth internal embedding is provided with intubate (18), the upper end sealing connection of intubate (18) has second bellows (17), the upper end and catheter (14) gas tightness of second bellows (17) are connected, the fixed cover in surface upper end of intubate (18) is equipped with sleeve pipe (11), the fixed internal thread ring (12) that is provided with in upper end of sleeve pipe (11), internal thread ring (12) clearance cover is established at the surface of catheter (14), and the external fixation cover of catheter (14) is equipped with external screw thread ring (13), internal thread ring (12) and external screw thread ring (13) are connected through the screw thread closure soon.

3. The hydrofluoric acid waste liquid purification and recovery device according to claim 2, wherein: the connecting end of the insertion tube (18) and the second flexible hose (17) and the connecting end of the liquid guide tube (14) and the second flexible hose (17) are both provided with limiting rings, two ends of the sleeve (11) are provided with limiting plugs, and the limiting rings are matched with the limiting plugs.

4. The hydrofluoric acid waste liquid purification and recovery device according to claim 2, wherein: the outer surface cover of sleeve pipe (11) is equipped with the rubber sleeve, be provided with anti-skidding line on the rubber sleeve.

5. The hydrofluoric acid waste liquid purification and recovery device according to claim 1, wherein: the plastic buoy (4) is a polytetrafluoroethylene buoy, the water suction pipe (5) is a polytetrafluoroethylene water pipe, the water suction pipe (5) is of a circular ring structure, and a water suction port is formed in the lower surface of the water suction pipe (5).

6. The hydrofluoric acid waste liquid purification and recovery device according to claim 1, wherein: the plastic buoy (4) is of a circular ring structure, a circular ring (16) is fixedly arranged in the middle of the plastic buoy (4), the circular ring (16) is slidably sleeved on the outer surface of the limiting rod (3), and a through hole is formed between the plastic buoy (4) and the circular ring (16).