CN216038970U

CN216038970U - Large-traffic defluorination device of industrial waste water

Info

Publication number: CN216038970U
Application number: CN202121156041.1U
Authority: CN
Inventors: 赵庆; 刘刚; 杨涛; 于亦海; 王波
Original assignee: Zouping Hongzheng New Material Technology Co Ltd
Current assignee: Zouping Huisheng New Material Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-03-15
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a large-flow defluorination device for industrial wastewater, which comprises a sedimentation tank, a liquid inlet channel, a main water outlet pipe, a switch valve and a filtration tank, wherein the liquid inlet channel is formed in the upper end of the sedimentation tank, the main water outlet pipe is installed at the lower end of the sedimentation tank in a penetrating manner, the switch valve is installed on the outer side of the main water outlet pipe, the filtration tank is installed at the tail end of the main water outlet pipe, the sedimentation tank is provided with a movable blade, a first conveyor belt, a bevel gear set, a first stirring piece, a second conveyor belt and a second stirring piece, the inner end of the sedimentation tank is rotatably connected with the movable blade, the first conveyor belt is installed at the shaft end of the movable blade in a nesting manner, and the first stirring piece is installed at the inner end of the sedimentation tank in a nesting manner. This large-traffic defluorination device of industrial waste water, equipment are simple easily to be operated, and not only it is effectual to remove fluorine, and is with low costs moreover, and the parallelly connected setting of a plurality of filtering ponds and sedimentation tank avoids causing when breaking down or need to change the defluorination device because of single filtering pond and shuts down, improves work efficiency.

Description

Large-traffic defluorination device of industrial waste water

Technical Field

The utility model relates to the technical field of water treatment, in particular to a large-flow defluorination device for industrial wastewater.

Background

According to the national sewage comprehensive discharge standard, the fluorine ion concentration is less than 10mg/L, for drinking water, the ion concentration is required to be below 1mg/L, the fluorine-containing wastewater treatment methods commonly used at home and abroad are roughly divided into two types, namely a precipitation method and an adsorption method, the chemical precipitation method is to form fluoride precipitates or the fluoride is adsorbed in the formed precipitates and is precipitated together by adding chemical medicines such as calcium salt and the like, but the lime solubility is low, the lime solubility is only added in emulsion, and the generated CaF2 precipitates are wrapped on the surfaces of Ca (OH)2 particles, so that the Ca (OH)2 particles cannot be fully utilized, the dosage is large, the fluorine content in the treated wastewater can only be reduced to 15mg/L generally, the national standard first-level standard is difficult to achieve, the sludge sedimentation is slow, the dehydration is difficult, the adsorption method means that the fluorine-containing wastewater flows through a contact bed and is subjected to ion exchange or chemical reaction with a solid medium in the bed, the method is only suitable for low-concentration fluorine-containing wastewater or wastewater with the fluoride concentration reduced to 10-20mg/L after being treated by other methods. In addition, the regeneration of the contact bed and the treatment of high-concentration regenerated liquid are indispensable parts in the whole operation process, the frequent regeneration of the contact bed causes higher operation cost, and in addition, a freezing method, an ion exchange resin defluorination method, an ultrafiltration defluorination method, electrodialysis and the like exist.

In order to solve the above problems, innovative design based on the structure of the original fluorine removal device is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large-flow defluorination device for industrial wastewater, which aims to solve the problems of low treatment efficiency, high operation cost, long period for treating large-flow discharge, unsuitability for continuous treatment and continuous discharge and the like in the defluorination process provided by the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a large-traffic defluorination device of industrial waste water, includes sedimentation tank, inlet channel, main outlet pipe, ooff valve and filtering ponds, inlet channel has been seted up to the upper end of sedimentation tank, and the lower extreme of sedimentation tank runs through and installs main outlet pipe, the ooff valve is installed in the outside of main outlet pipe, filtering ponds are installed to the end of main outlet pipe.

Preferably, the height of the sedimentation tank is gradually reduced from the water inlet to the water outlet of the filtering tank, the filtering tank is of a V-shaped filtering structure, and the filtering tank is provided with a back flush water pump.

Preferably, the sedimentation tank is provided with movable blades, a first conveyor belt, a bevel gear set, a first stirring piece, a second conveyor belt and a second stirring piece, the inner end of the sedimentation tank is rotatably connected with the movable blades, the first conveyor belt is installed at the shaft end of each movable blade in a nested mode, the first stirring piece is installed at the inner end of the sedimentation tank in a nested mode, the bevel gear set is installed at the inner ends of the first stirring piece and the sedimentation tank, the bevel gear set is connected with the tail end of the first conveyor belt, the second conveyor belt is installed at the outer side of the first stirring piece in a nested mode, and the second stirring piece is installed at the tail end of the second conveyor belt in a nested mode.

Preferably, the filtering tank is provided with a filtering plate, a filtering layer and a long-handle filtering cap, the inner end of the filtering tank is fixedly connected with the filtering plate, the filtering layer is arranged at the inner end of the filtering plate, and the long-handle filtering cap is arranged at the outer end of the filtering plate.

Preferably, the filter tank is symmetrically distributed about the central point of the sedimentation tank, and long-handle filter caps are distributed on the outer side of the filter core layer at equal intervals.

Preferably, the first stirring piece and the movable blade form a rotating structure through a bevel gear set and a first conveyor belt, the first stirring piece and the second stirring piece form a nested structure through a second conveyor belt, and the first stirring piece and the second stirring piece are arranged in a staggered mode.

Compared with the prior art, the utility model has the beneficial effects that: the industrial wastewater high-flow defluorination device;

1. the device is simple and easy to operate, the defluorination effect is good, the cost is low, the flocculation precipitation is carried out through the sedimentation tank, the multiple filtering tanks are separately filtered, the treatment of the industrial wastewater can be continuously carried out only by adding the flocculating agent, and the time cost for stopping the operation of the device due to the replacement of the device or defluorination materials is reduced;

2. the arrangement of the plurality of filtering ponds and the sedimentation pond in parallel avoids the shutdown caused by the failure of a single filtering pond or the need of replacing the fluorine removal device, thereby improving the working efficiency;

3. after the industrial fluorine-containing wastewater is subjected to multi-stage fluorine reduction in the sedimentation tank and the filter tank, the content of fluorine in the wastewater can be effectively reduced.

Drawings

FIG. 1 is a schematic cross-sectional structural view of the present invention;

FIG. 2 is a schematic sectional view of the sedimentation tank according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic top view of a bevel gear set according to the present invention.

In the figure: 1. a sedimentation tank; 2. a liquid inlet channel; 3. a main water outlet pipe; 4. an on-off valve; 5. a filtration tank; 6. A filter plate; 7. a filter layer; 8. a long-handle filter cap; 9. a movable blade; 10. a first conveyor belt; 11. a bevel gear set; 12. a first stirring member; 13. a second conveyor belt; 14. a second stirring member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a large-traffic defluorination device of industrial waste water, includes sedimentation tank 1, inlet channel 2, main outlet pipe 3, ooff valve 4, filtering ponds 5, filter 6, filter element 7, long handle filter cap 8, movable vane 9, first conveyer belt 10, bevel gear group 11, first stirring 12, second conveyer belt 13 and second stirring 14, inlet channel 2 has been seted up to sedimentation tank 1's upper end, and sedimentation tank 1's lower extreme runs through and installs main outlet pipe 3, ooff valve 4 is installed in main outlet pipe 3's the outside, filtering ponds 5 is installed to main outlet pipe 3's end.

The height of the sedimentation tank 1 to the filtering tank 5 is gradually reduced from the water inlet to the water outlet, the filtering tank 5 is of a V-shaped filtering structure, and the filtering tank 5 is provided with a back flush water pump.

Sedimentation tank 1 is provided with movable blade 9, first conveyer belt 10, bevel gear group 11, first stirring piece 12, second conveyer belt 13 and second stirring piece 14, and the inner rotation of sedimentation tank 1 is connected with movable blade 9 to first conveyer belt 10 is installed to the axle head nestification of movable blade 9, first stirring piece 12 is installed to the inner nestification of sedimentation tank 1, and bevel gear group 11 is all installed with the inner of sedimentation tank 1 to bevel gear group 11 is connected with the end of first conveyer belt 10, second conveyer belt 13 is installed to the outside nestification of first stirring piece 12, and second stirring piece 14 is installed to the end nestification of second conveyer belt 13.

The filtering tank 5 is provided with a filtering plate 6, a filter element layer 7 and a long-handle filtering cap 8, the inner end of the filtering tank 5 is fixedly connected with the filtering plate 6, the inner end of the filtering plate 6 is provided with the filter element layer 7, and the outer end of the filtering plate 6 is provided with the long-handle filtering cap 8.

The filter tank 5 is symmetrically distributed about the central point of the sedimentation tank 1, long-handle filter caps 8 are distributed on the outer side of the filter core layer 7 at equal intervals, and the filter core layer 7 made of quartz sand and gravel layer materials can stably carry out sufficient secondary treatment on contacted impurities;

first stirring piece 12 constitutes revolution mechanic through bevel gear group 11 and first conveyer belt 10 with movable blade 9, and first stirring piece 12 constitutes nested structure through second conveyer belt 13 and second stirring piece 14 to first stirring piece 12 and second stirring piece 14 crisscross setting each other, through 2 first stirring pieces 12 of group and the second stirring piece 14 of synchronous activity, can be stable to the inside stirring effect that forms the vortex of device.

The working principle is as follows: when the industrial wastewater large-flow defluorination device is used, according to the figure 1-4, firstly, the device is placed at a position needing to work, wastewater to be treated is discharged into a sedimentation tank 1 through a liquid inlet channel 2, the sedimentation tank 1 is divided into two parts of flocculation and sedimentation, a chemical feeding pipe is arranged in a flocculation area, simultaneously, the discharged water power pushes a movable blade 9 to rotate, so that the movable blade is driven by a first conveyor belt 10 to drive a bevel gear set 11 to synchronously mesh and rotate and drive a first stirring piece 12 to circularly rotate, simultaneously, a second conveyor belt 13 butted with the first stirring piece 12 drives a second stirring piece 14 to rotate to form vortex type mixing treatment work, the treated wastewater is transmitted into a filtering tank 5 through a main water outlet pipe 3, simultaneously, the filtering tank 5 is a V-shaped filtering tank for filtering, the filtering tank 5 is provided with a back flush water pump for outputting to a sewage tank, the sewage tank is transmitted to a high-efficiency sedimentation tank 1 through a lifting pump for retreatment, the V type filtering pond water production utilizes the potential difference to get into the clean water basin, discharge after the clear water elevator pump promotes, adopt sedimentation tank 1 to carry out flocculation and precipitation and the separately filterable design of a plurality of filtering ponds 5 simultaneously, only need to throw the flocculating agent and can make industrial waste water's processing can keep going on continuously, this design reduces because of changing the device or removing the time expense of fluorine material and device shut down, through deposiing + V type filtering pond defluorination, industrial fluorine-containing waste water is improved well, can be with industrial fluorine-containing waste water average fluorine from about 6mg/L, fall to below 1.5mg/L, be superior to the national standard requirement, industrial waste water can reach the standard and discharge, holistic practicality has been increased.

Those not described in detail in this specification are within the skill of the art.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a large-traffic defluorination device of industrial waste water, includes sedimentation tank (1), inlet channel (2), main outlet pipe (3), ooff valve (4) and filtering ponds (5), its characterized in that: liquid inlet channel (2) have been seted up to the upper end of sedimentation tank (1), and the lower extreme of sedimentation tank (1) runs through and installs main outlet pipe (3), ooff valve (4) are installed in the outside of main outlet pipe (3), filtering ponds (5) are installed to the end of main outlet pipe (3).

2. The large-flow defluorination device for industrial wastewater according to claim 1 is characterized in that: the height of the sedimentation tank (1) to the filtering tank (5) is gradually reduced from the water inlet to the water outlet, the filtering tank (5) is of a V-shaped filtering structure, and the filtering tank (5) is provided with a back flush water pump.

3. The large-flow defluorination device for industrial wastewater according to claim 1 is characterized in that: sedimentation tank (1) is provided with movable blade (9), first conveyer belt (10), bevel gear group (11), first stirring piece (12), second conveyer belt (13) and second stirring piece (14), and the inner rotation of sedimentation tank (1) is connected with movable blade (9) to first conveyer belt (10) is installed to the axle head nestification of movable blade (9), first stirring piece (12) is installed to the inner nestification of sedimentation tank (1), and bevel gear set (11) are all installed with the inner of sedimentation tank (1) in first stirring piece (12), and bevel gear set (11) are connected with the end of first conveyer belt (10), second conveyer belt (13) are installed to the outside nestification of first stirring piece (12), and second stirring piece (14) are installed to the end nestification of second conveyer belt (13).

4. The large-flow defluorination device for industrial wastewater according to claim 1 is characterized in that: the filter tank (5) is provided with a filter plate (6), a filter layer (7) and a long-handle filter cap (8), the inner end of the filter tank (5) is fixedly connected with the filter plate (6), the filter layer (7) is installed at the inner end of the filter plate (6), and the long-handle filter cap (8) is installed at the outer end of the filter plate (6).

5. The large-flow defluorination device for industrial wastewater according to claim 4, characterized in that: the filter tank (5) is symmetrically distributed about the central point of the sedimentation tank (1), and long-handle filter caps (8) are distributed on the outer side of the filter core layer (7) at equal intervals.

6. The large-flow defluorination apparatus for industrial wastewater according to claim 3, characterized in that: the first stirring piece (12) and the movable blade (9) form a rotating structure through a bevel gear set (11) and a first conveying belt (10), the first stirring piece (12) and a second stirring piece (14) form a nested structure through a second conveying belt (13), and the first stirring piece (12) and the second stirring piece (14) are arranged in a staggered mode.