Vertical rotational flow fluorine recovery device with water and gas distribution structure

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a vertical rotational flow fluorine recovery device with a water and gas distribution structure. A water inlet mode of mixing backflow and raw water is adopted, so that the impact load resistance of the device is improved; perfect fluidization circulating stirring in the fluidized bed reaction area is realized through raw water and backflow power mixing and air lifting, the ascending velocity required by the fluidized bed reaction area can be easily achieved through power mixing and air lifting, and a more ideal fluidization state can be achieved through air lifting; finally, different changes of water quality and water quantity can be coped with by adjusting the reflux quantity and the air supply quantity, and the treatment effect is more stable; the water and gas distribution branch pipes are distributed in a tree shape, and the water and gas distribution heads are uniformly distributed on the water and gas distribution pipes, so that dead-corner-free uniform water distribution and hardening phenomena in the whole device can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a vertical cyclone fluorine recovery device with a water and air distribution structure. Background Art

[0002] Traditional fluoride-containing wastewater treatment technologies are limited in their sustainability and applicability due to their poor performance, single-process operation mode, severe secondary pollution, high energy consumption, cumbersome operation and management, and high construction costs. Therefore, it is necessary to focus on the development of wastewater treatment technologies and continuously improve the level of wastewater purification.

[0003] The vertical cyclone fluorine recovery device combines the fluidized bed process with the crystallization principle. Solid particles are added to the reaction system as carriers. Wastewater and reagents enter from the bottom of the reactor. By adjusting the supersaturation and rising flow rate of the wastewater, the ions participating in the reaction form steady-state crystals on the surface of the carrier. When the crystal particle size reaches a certain size, it is discharged from the tank, thereby effectively reducing the concentration of ions in the water.

[0004] However, the device still faces problems such as insufficient mixing of chemicals and sewage due to excessively high influent concentration, limited treatment efficiency, poor load resistance, unstable performance, and uneven water distribution. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the existing technology and provide a vertical cyclone fluorine recovery device with a water and air distribution structure. The system adopts a dynamic mixing, air lifting and circulating stirring structure, which not only has a better mixing reaction effect and small head loss, but also is impact-resistant and has a good fluidization effect.

[0006] In order to achieve the above object, the utility model provides a vertical cyclone fluorine recovery device with a water and air distribution structure, comprising

[0007] The main body is provided with a water outlet collection chamber on the top of the main body, the water outlet of the water outlet collection chamber passes through the main body and is connected with the raw water and the dosing unit, the water outlet of the raw water and the dosing unit is connected with the reflux pump, the water outlet of the reflux pump is connected with the water inlet of the water and air distribution main pipe through a pipeline, an air supply device is provided in the middle of the pipeline, one end of the water and air distribution main pipe passes through the main body and is arranged horizontally, a supporting device is provided above the water and air distribution main pipe, and the supporting device divides the main body into an upper fluidized bed reaction zone and a lower crystallization precipitation zone.

[0008] Preferably, the raw water and dosing unit includes a raw water inlet pipeline, a dosing system and a pipeline mixing device, the water outlet of the water outlet collection chamber is connected to the pipeline mixing device, and the raw water inlet pipeline and the dosing system are both connected to the pipeline mixing device at the same time.

[0009] Preferably: a plurality of water and gas distribution branch pipes are arranged on the water and gas distribution main pipe, and a plurality of water and gas distribution heads are evenly arranged on the water and gas distribution branch pipes. The water and gas distribution heads are vertically connected to the water and gas distribution branch pipes, and the upper part is a water and gas distribution hole. The water and gas distribution holes are arranged above the supporting device and are located in the fluidized bed reaction zone, and finally water and gas are evenly distributed into the vertical cyclone fluorine recovery device through the water and gas distribution holes.

[0010] Preferably, the other end of the water and gas distribution main pipe is blocked by a blind plate, and the plurality of water and gas distribution branch pipes are connected to the water and gas distribution main pipe and distributed in a tree shape.

[0011] Preferably, the water and air distribution head is vertically connected to the water and air distribution branch pipe, by directly punching holes on the water and air distribution branch pipe or connecting with a tee, and the water and air distribution head passes through the supporting device and is sealed.

[0012] Preferably, the top of the water and air distribution head is blocked, and the water and air distribution holes have a diameter of 20-40 mm and are perpendicular to the axis of the water and air distribution head.

[0013] Compared with the existing technology, the technical solution proposed in this application has the following beneficial effects: the method of mixing reflux and raw water into water is adopted to improve the impact load resistance of the device; the raw water and reflux are dynamically mixed + air lifted to achieve perfect fluidized circulation stirring in the fluidized bed reaction zone. First, dynamic mixing + air lift can easily achieve the rising flow rate required by the fluidized bed reaction zone. Secondly, air lift can achieve a more ideal fluidized state. Finally, by adjusting the reflux volume and air supply volume, it can cope with different changes in water quality and quantity, and the treatment effect is more stable; the water and air distribution branch pipes are distributed in a tree shape, and the water and air distribution heads are evenly distributed on the water and air distribution pipes, which can achieve uniform water distribution without dead corners in the entire device and no compaction phenomenon; the water distribution and air distribution holes use a multi-directional push method to discharge water, and the water distribution effect is more uniform; when the water distribution and air distribution holes are blocked by crystals, only the reflux pump + air supply device + dosing system needs to be started to clean the water outlet and ensure the normal operation of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 This is the overall structural diagram of the vertical cyclone fluorine recovery device with water and gas distribution structure of the utility model;

[0016] Figure 2 This is an enlarged view of the water and air distribution structure of the utility model;

[0017] In the figure: 1-main body; 2-water outlet collection chamber; 3-raw water and dosing unit; 31-raw water inlet pipeline; 32-dosing system; 33-pipeline mixing device; 4-reflux pump; 5-air supply device; 6-water and air distribution main pipe; 7-water and air distribution branch pipe; 8-water and air distribution head; 9-support device; 10-water and air distribution holes; 11-fluidized bed reaction zone; 12-crystallization precipitation zone. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe and discuss the technical solutions in the embodiments of the present invention in conjunction with the drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a central component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0021] See Figure 1 A vertical cyclone fluorine recovery device with a water and air distribution structure includes a water and air distribution main pipe 6, a water and air distribution branch pipe 7, a supporting device 9, a water and air distribution head 8, and the water and air distribution head 8 includes a water and air distribution hole 10.

[0022] The effluent collection chamber 2 in the main body 1 of the vertical cyclone fluorine recovery device collects the effluent after the reaction and enters the raw water and dosing unit 3. After being fully mixed with the raw water and the reagent, the effluent enters the water and gas distribution main pipe 6 through the combined power provided by the reflux pump 4 and the air supply device 5. The water and gas distribution main pipe 6 is arranged at the lower part of the support device 9. A plurality of water and gas distribution branch pipes 7 are arranged on the water and gas distribution main pipe 6. A plurality of water and gas distribution heads 8 are evenly arranged on the water and gas distribution branch pipes. The water and gas distribution heads 8 are vertically connected to the water and gas distribution branch pipes 7. The upper part is a water and gas distribution hole 10. The water and gas distribution hole 10 is arranged in the fluidized bed reaction zone 11 above the support device 9. Finally, water and gas are evenly distributed into the vertical cyclone fluorine recovery device 1 through the water and gas distribution holes 10.

[0023] The water and air distribution system of the vertical cyclone fluorine recovery unit is located between the fluidized bed reaction zone 11 and the crystallization precipitation zone 12 of the vertical cyclone fluorine recovery unit 1, separated by a support device 9. A water and air distribution main pipe 6 is located below the support device 9, with the other end of the water and air distribution main pipe 6 blocked by a blind plate. Several water and air distribution branch pipes 7 are connected to the water and air distribution main pipe 6 and arranged in a tree-like pattern.

[0024] The water and air distribution head 8 is vertically connected to the water and air distribution branch pipe 7. It can be directly connected by drilling holes on the water and air distribution branch pipe 7 or connected with a tee. The water and air distribution head 8 passes through the supporting device 9 and is sealed. The part above the supporting device is the water and air distribution hole 10.

[0025] The top of the water and air distribution head 8 is sealed, and the water and air distribution holes 10 have a diameter of 20-40 mm and are perpendicular to the axis of the water and air distribution head 8. The raw water and dosing unit 3 includes a raw water inlet pipeline 31, a dosing system 32, and a pipeline mixing device 33.

[0026] When the system is operating normally, the outlet collection chamber 2 collects the return pipeline and the raw water and the raw water pipeline 31 and the dosing system 32 in the dosing unit 3 to fully mix the agent with the raw water and the return water in the pipeline mixing device 33 and adjust the water quality. Then, the return water is powered by the reflux pump 4 and the air supply device 5 to achieve dynamic mixing + air lifting, and then enters the water distribution and air distribution main pipe 6. Then, the evenly arranged water distribution and air distribution branch pipes 7, water distribution and air distribution heads 8 and water distribution and air distribution holes 10 are used for multi-directional push to achieve uniform water distribution without dead angles in the device.

[0027] When the quality and quantity of raw water changes, adjusting the flow of the reflux pump 4 and the air supply device 5 can ensure the normal operation of the device and improve the device's ability to resist shock loads.

[0028] When crystallization occurs and the water and air distribution holes 10 are clogged, the water outlet can be cleaned by simply starting the reflux pump 4 + air supply device 5 + dosing system 32 to ensure the normal operation of the device.

[0029] The above describes specific embodiments of the present invention. It should be understood that the present invention is not limited to the specific embodiments described above, and that one or more of the above embodiments may be combined. Those skilled in the art may make various changes, modifications, or combinations within the scope of the claims, without affecting the essence of the present invention. Unless there is a conflict, the embodiments of the present application and the features in the embodiments may be combined with each other in any manner.

Claims

1. A vertical cyclone fluorine recovery device with a water and gas distribution structure, characterized in that: include The main body is provided with a water outlet collection chamber on the top of the main body, the water outlet of the water outlet collection chamber passes through the main body and is connected with the raw water and the dosing unit, the water outlet of the raw water and the dosing unit is connected with the reflux pump, the water outlet of the reflux pump is connected with the water inlet of the water and air distribution main pipe through a pipeline, an air supply device is provided in the middle of the pipeline, one end of the water and air distribution main pipe passes through the main body and is arranged horizontally, a supporting device is provided above the water and air distribution main pipe, and the supporting device divides the main body into an upper fluidized bed reaction zone and a lower crystallization precipitation zone.

2. A vertical cyclone fluorine recovery device with a water and gas distribution structure according to claim 1, characterized in that: The raw water and dosing unit includes a raw water inlet pipeline, a dosing system and a pipeline mixing device. The water outlet of the water outlet collection chamber is connected to the pipeline mixing device, and the raw water inlet pipeline and the dosing system are both connected to the pipeline mixing device at the same time.

3. A vertical cyclone fluorine recovery device with a water and gas distribution structure according to claim 2, characterized in that: A number of water and gas distribution branch pipes are arranged on the water and gas distribution main pipe, and a number of water and gas distribution heads are evenly arranged on the water and gas distribution branch pipes. The water and gas distribution heads are vertically connected to the water and gas distribution branch pipes, and the upper part is a water and gas distribution hole. The water and gas distribution holes are arranged above the supporting device and located in the fluidized bed reaction zone, and finally water and gas are evenly distributed into the vertical cyclone fluorine recovery device through the water and gas distribution holes.

4. A vertical cyclone fluorine recovery device with a water and gas distribution structure according to claim 3, characterized in that: The other end of the water and gas distribution main pipe is blocked by a blind plate, and the plurality of water and gas distribution branch pipes are connected to the water and gas distribution main pipe and distributed in a tree shape.

5. The vertical cyclone fluorine recovery device with a water and gas distribution structure according to claim 4, characterized in that: The water and air distribution head is vertically connected to the water and air distribution branch pipe, and is connected by directly punching holes on the water and air distribution branch pipe or connecting with a tee. The water and air distribution head passes through the supporting device and is sealed.

6. The vertical cyclone fluorine recovery device with a water and gas distribution structure according to claim 5, characterized in that: The top of the water and air distribution head is blocked, and the water and air distribution holes have a diameter of 20-40 mm and are perpendicular to the axis direction of the water and air distribution head.

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