CN218665441U

CN218665441U - Reaction tank and pickling equipment

Info

Publication number: CN218665441U
Application number: CN202222650853.2U
Authority: CN
Inventors: 赵志伟; 邓思能
Original assignee: Hunan Changyi Environmental Technology Co ltd
Current assignee: Hunan Changyi Environmental Technology Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-21
Anticipated expiration: 2032-10-09

Abstract

The utility model provides a retort and pickling installation relates to pickling technical field, include: the device comprises a tank body, a filtering structure, a supporting structure, a spraying pipeline and an injection pipeline; the tank body comprises a feeding hole, a discharging hole and a liquid discharging hole; the spray pipeline is used for spraying pickling solution into the tank body and comprises a spray pipe arranged in the tank body and close to the top, and a plurality of spray ports are arranged on the spray pipe; the supporting structure is arranged at the bottom of the tank body, and the filtering structure is arranged on the supporting structure; the filtering structure is used for filtering pickling solution; the injection pipeline is used for generating injection water flow so as to drive the material in the tank body to flow and discharge from the discharge hole; the spraying pipeline comprises a spraying pipe arranged above the filtering structure, and a plurality of spraying ports are arranged on the spraying pipe. The technical scheme of the application improves the working efficiency and the pickling effect of the pickling equipment.

Description

Reaction tank and pickling equipment

Technical Field

The application relates to the technical field of acid pickling, in particular to a reaction tank and acid pickling equipment.

Background

The acid cleaning is used for removing impurities such as rust, oxide scales and the like on the surfaces of various metal objects by chemical treatment or cleaning stains on the surfaces of nonmetal objects. For example, various impurities such as iron, aluminum, phosphorus, titanium, potassium, calcium and the like are adhered to the surface layer of the stone which is just mined, so that the purity and the quality of the product are seriously influenced, and therefore, the quartz sand is often required to be purified by acid washing. The traditional pickling method needs long time soaking and has very low efficiency, and some pickling devices are provided in the prior art to improve the efficiency. However, the work efficiency and pickling effect of some pickling apparatuses on the market at present still need to be improved.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present application is to provide a reaction tank and an acid washing device, aiming at the above disadvantages of the prior art.

A reaction tank, comprising: the device comprises a tank body, a filtering structure, a supporting structure, a spraying pipeline and an injection pipeline; the tank body comprises a feeding hole, a discharging hole and a liquid discharging hole; the feed inlet is arranged at the top of the tank body and used for injecting a material to be pickled; the discharge port is arranged at the bottom of the tank body and used for discharging the pickled materials; the liquid outlet is arranged at the bottom of the tank body and used for discharging pickling solution after pickling materials;

the spray pipeline is used for spraying pickling solution into the tank body and comprises a spray pipe arranged in the tank body and close to the top, and a plurality of spray ports are arranged on the spray pipe;

the supporting structure is arranged at the bottom of the tank body, and the filtering structure is arranged on the supporting structure; the filtering structure is used for filtering pickling solution;

the injection pipeline is used for generating injection water flow so as to drive the material in the tank body to flow and discharge from the discharge hole; the spraying pipeline comprises a spraying pipe arranged above the filtering structure, and a plurality of spraying ports are arranged on the spraying pipe.

In one technical scheme, the spray pipes are composed of a plurality of transverse spray pipes and a plurality of longitudinal spray pipes; the transverse spraying pipes and the longitudinal spraying pipes are crisscrossed together; a plurality of spraying openings are uniformly distributed on each transverse spraying pipe and each longitudinal spraying pipe.

In one technical scheme, the filtering structure comprises a central supporting ring, a filtering plate and a filtering screen; the bottom of the central support ring is fixed on a bottom plate of the tank body; the filter plate extends to the side wall of the tank body from the top of the central support ring to the periphery; the filter screen covers the upper surface of the filter plate;

the supporting structure is positioned in a space enclosed by the central supporting ring, the side wall of the tank body, the bottom plate of the tank body and the filter plate;

the discharge hole is formed in the bottom area of the tank body covered by the central support ring; the liquid outlet is arranged in the bottom area of the tank body covered by the supporting structure.

In one technical scheme, an upward protruding part is arranged at a position, close to the side wall of the tank body, of the filter plate; a clearance groove is formed between the convex part and the side wall of the tank body; a filter screen pressing plate is inserted into the gap groove and used for pressing and fixing the filter screen; the filter screen pressing plate is fixed with the side wall of the tank body.

In one technical scheme, the upper end of the filter screen pressing plate is welded with the side wall of the tank body; the center of the filter screen pressing plate is fixed with the side wall of the tank body through plastic screws.

In one technical scheme, a circular pipe is embedded in the central support circular ring; the filter screen is clamped between the circular tube and the central support circular ring and is fixed.

In one technical scheme, the filter plate is a concave conical plate, and the height of the filter plate is gradually reduced along the direction close to the central support ring.

In one aspect, the support structure includes a plurality of support rings of different diameters disposed about the circumference of the central support ring; a circumferential groove is formed between the adjacent support rings; and a plurality of rib plates are arranged in the annular groove to divide the annular groove into a plurality of compartments; adjacent compartments are communicated with each other.

In one technical scheme, the injection pipe comprises a circular pipeline which is arranged along the circumferential direction of the side wall of the tank body in a circle, and a central injection pipe which extends to the upper part of the discharge hole; a plurality of spray heads which are inclined along the same rotating direction are arranged on the circular pipeline; and the central injection pipe is provided with an injection head which can vertically and downwards align to the discharge hole for injection.

In another aspect, the present application further provides a pickling apparatus, which includes the above-mentioned reaction tank.

The application provides a retort, and corresponding pickling equipment. In this application technical scheme, will spray in the pipeline place the jar internal in, can spray the pickle below the material more evenly, the pickling effect is better. In addition, the injection pipeline is used for generating injection water flow so as to drive the material in the tank body to flow and be discharged from the discharge hole, thereby improving the working efficiency. The technical scheme of the application improves the working efficiency and the pickling effect of the pickling equipment. In addition, other additional aspects and advantages of the present invention will be set forth in part in the description of the embodiments.

Drawings

FIG. 1 is a schematic view of the structure of a reaction tank in the example of the present application.

Fig. 2 is an enlarged view of fig. 1 at a.

FIG. 3 is a schematic diagram of the reaction tank in the position of the center support ring in the embodiment of the present application.

Fig. 4 is a top view structural view of the support structure in the embodiment of the present application.

Fig. 5 is a top view structural diagram of the shower pipe in the embodiment of the present application.

Fig. 6 is a top view structural view of the injection pipe in the embodiment of the present application.

Fig. 7 is a top view of a filter plate blank according to an embodiment of the present application.

Detailed Description

The following are specific embodiments of the present application and are further described with reference to the drawings, but the present application is not limited to these embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

In addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1, the embodiment of the present application provides a reaction tank, which includes a tank body 10, a filter structure 20, a support structure 30, a spray pipeline, and a spray pipeline. The tank body 10 comprises a feed inlet 11, a discharge outlet 12 and a liquid discharge outlet 13. The feed inlet 11 is arranged at the top of the tank body 10 and is used for injecting materials to be pickled. The discharge port 12 is arranged at the bottom of the tank body 10 and used for discharging the pickled materials. The liquid outlet 13 is arranged at the bottom of the tank body 10 and is used for discharging pickling solution after pickling materials.

Specifically, the material to be pickled in the reaction tank may be quartz sand, the quartz sand is injected into the tank 10 from a feed inlet 11 at the top of the tank 10, and is discharged from a discharge outlet 12 at the bottom after the pickling treatment, and the pickling solution after the pickling is discharged from a discharge outlet 13 at the bottom.

The spraying pipeline is used for spraying pickling solution into the tank body, and comprises a spraying pipe 40 which is arranged in the tank body 10 and close to the top, and a plurality of spraying ports 43 are arranged on the spraying pipe 40. The spray line also includes a portion of a delivery pipe extending to the exterior of the tank 10, and the pickling solution is fed from the delivery pipe outside the tank 10 to the spray pipe 40 inside the tank 10. In a specific embodiment, the spraying process of the pickling solution by the spraying pipe 40 can be controlled by a valve. When the pickling tank works, firstly, materials are injected into the tank body 10, the spraying pipe 40 positioned at the top starts to spray pickling solution, and the materials in the tank body 10 are pickled. Illustratively, the acid wash may be hydrochloric acid, sulfuric acid, oxalic acid, hydrofluoric acid, or the like.

With further reference to fig. 5, the shower 40 is made up of a plurality of transverse showers 41 and a plurality of longitudinal showers 42; the transverse spray pipes 41 and the longitudinal spray pipes 42 are crisscrossed together; a plurality of spraying openings are uniformly arranged on each transverse spraying pipe 41 and each longitudinal spraying pipe 42. When the spray pipe 40 sprays the pickling solution, the spray openings 43 on the transverse spray pipe 41 and the longitudinal spray pipe 42 spray the pickling solution simultaneously, so that the transverse spray pipe 41 and the longitudinal spray pipe 42 are staggered vertically and horizontally to form a plane coverage area, the pickling solution can be sprayed to the materials below more uniformly, and the pickling effect is better.

Referring to fig. 1 to 3, a support structure 30 is disposed at the bottom of the tank 10, and the filter structure 20 is disposed on the support structure 30; the filter structure 20 is used to filter pickling solution. The filter structure 20 is required to be placed with a material to be pickled, such as quartz sand. The support structure 30 serves to stably support the filter structure 20.

Further, the filtering structure 20 comprises a central supporting ring 21, a filtering plate 22 and a filtering net 23; the bottom of the central supporting ring 21 is fixed on the bottom plate 14 of the tank body 10; the filter plate 22 extends to the side wall of the tank body from the top of the central support ring 21 to the periphery; the filter mesh 23 is covered on the upper surface of the filter plate 22. Specifically, the filter sheet 22 is a concave conical sheet, and its height is gradually reduced in a direction close to the center support ring 21. The filter plate 22 has a certain taper, so that certain guidance for quartz sand is ensured during sand discharge, the quartz sand is gathered towards the position of the central support ring 21, and the material flow efficiency is improved. Referring to fig. 7, the filter plate 22 is a porous structure and can be carved by a precision carving machine, after carving, a conical filter plate with a certain taper and a certain center deviation degree is manufactured, and the carved aperture can ensure a certain filtering effect and the maximum aperture ratio under the safe condition. It should be noted that fig. 7 is a schematic diagram of the structure of the blank filter plate 22, and does not represent a structural diagram of the product, but rather shows the porous structure of the filter plate 22.

The filter screen 23 covers the upper surface of the filter plate 22, and is used for filtering the pickling solution to separate the material from the pickling solution. The filter mesh 23 is fixed to the filter plate 22. With particular reference to fig. 2, the filter plate 22 is provided with an upward projection 221 at a position close to the side wall of the tank; a clearance groove 222 is formed between the convex part 221 and the side wall of the tank body; a filter screen pressure plate 223 is inserted into the gap groove 222 and used for pressing and fixing the filter screen 23; the screen press plate 223 is fixed with the side wall of the tank body. The filter screen 23 is covered on the convex part 221 and the gap groove 222 to form a concave-convex bending, when the filter screen pressing plate 223 is installed in the gap groove 222, the filter screen 23 is firmly fixed, here, the concave-convex bending shape is formed at the edge position close to the side wall 15 of the can body 10, the filter screen 23 is firmly fixed, and the material is not easy to leak.

With further reference to FIG. 2, the upper end of the screen press 223 is welded to the sidewall 15 of the can body 10; the filter screen pressing plate 223 is fixed with the side wall 15 of the tank body 10 through plastic screws at the lower center. The screen hold down 223 is captured in the U-shaped clearance slot 222, securing the screen 23. The upper end of the filter screen pressing plate 223 is welded with the side wall 15 of the tank body 10, the lower center position of the filter screen pressing plate 223 and the side wall 15 of the tank body 10 are fixed by plastic screws, and the deformation of the high-temperature plastic plate can be prevented.

With further reference to fig. 3, a circular tube 24 is also embedded within the central support ring 21; the screen 23 is held captive between the tube 24 and the central support ring 21. The filter screen adopts pipe 24 fixed, selects pipe 24 than 21 decimal millimeters of center support ring, and the size is compact. After the filter screen is paved, the filter screen is put into a circular tube 24, the bottom of the circular tube 24 is fixed with the bottom plate 14 of the tank body 10, and the upper part of the circular tube 24 is reinforced to prevent deformation.

Referring to fig. 1, the support structure 30 is located in the space enclosed by the central support ring 21, the side walls 15 of the tank, the bottom plate 14 of the tank, and the filter plates 22. The discharge hole is arranged in the bottom area of the tank body covered by the central support ring 21; the drain is provided in the region of the bottom of the tank covered by the support structure 30. The bottom of the central support ring 21 is welded to the bottom plate 14 to separate the discharge port 12 from the liquid discharge port 13. After the pickling liquid has been filtered, it flows into the bottom space in which the support structure 30 is located, and the material flows over the filter plate 22. Specifically, the pickling solution passes through the strainer 23 and the filter sheet 22, enters the bottom space of the support structure 30, and is discharged through the liquid discharge port 13. The material on the filtering structure 20 flows along the filtering plate 22 toward the central supporting ring 21, enters the central supporting ring 21, and is discharged through the discharge port.

With reference to fig. 1 and 4, the support structure 30 comprises a plurality of support rings 31 of different diameters arranged around the circumference of said central support ring 21; circumferential grooves are formed between adjacent support rings 31; and a plurality of rib plates 32 are arranged in the annular groove to divide the annular groove into a plurality of compartments 33; adjacent compartments 33 are in communication with each other. The supporting structure 30 presents a radial grid shape, so that the bearing is uniformly distributed, and the filter plate is protected from being damaged due to nonuniform stress, and the operation of the whole equipment is not influenced. Supporting structure 30 can divide into a plurality of compartments 33 after the completion of the equipment, and adjacent compartment 33 communicates each other, guarantees that liquid flows the direction in certain area and assembles the leakage fluid dram, improves flowing back efficiency, remains the air vent between the compartment 33 simultaneously, guarantees each compartment 33 pressure balance. The support ring 31 and the rib plate 32 are interlaced to form a grid structure, so that the filter plate 22 can be uniformly supported. The height of the support ring 31 and the rib 32 can be adapted to the mounting shape of the filter plate 22, for example, a conical shape.

Further, the injection pipeline is used for generating water injection flow to drive the material in the tank body 10 to flow and discharge from the discharge hole, so that the discharge efficiency is improved. The injection pipeline comprises an injection pipe 50 arranged above the filtering structure 20, and a plurality of injection ports are arranged on the injection pipe 50. The injection pipe 50 comprises a circular pipeline 51 which is arranged in a circle along the circumferential direction of the side wall 15 of the tank body 10 and a central injection pipe 52 which extends to the upper part of the discharge hole; a plurality of spray heads 53 which are inclined along the same rotating direction are arranged on the circular pipeline; the central injection pipe is provided with an injection head 53 which can be vertically downwards aligned with the discharge hole for injection. Each ejection head 53 corresponds to one ejection port. The injection head 53 can inject to form a water jet to drive the material in the tank 10 to flow out from the discharge port, thereby improving efficiency.

In one embodiment, four spray heads 53 are uniformly arranged on the circular pipeline 51. The spray pipes 50 are arranged in a circular ring shape on the side wall 15 of the tank 10 by adopting a pipeline, five spray heads are arranged, and the spray heads are opened and applied when discharging, so that the flowability of the sand is increased, and the sand is quickly discharged. The four spray heads 53 on the circular pipeline 51 are deviated from the center by a certain angle, and the four deviated angles are consistent and deviated in the same direction. When the sand is sprayed, the water pressure is increased to form a spraying flow, and the sand can rotate along the direction of the spraying flow by the simultaneous operation of four points, so that the fluidity of the material is increased. The fifth spray head 53 vertically faces the discharge port 12, the material reaches the central support ring 21 to form deposit, and the fifth spray head 53 flushes the discharge port 12 to drive the material to flow out from the discharge port 12.

Illustratively, the operation of the reaction tank is as follows: firstly, a spraying pipeline is opened to inject a predetermined amount of pickling solution into the tank body 10, and the pickling solution is at a bottom-crossing liquid level. In the second step, the material to be pickled, for example, quartz sand, is injected into the vessel 10 through the top feed port 11. And step three, opening a spraying pipeline to continuously inject the pickling solution into the tank body 10. And fourthly, standing for a preset time. And step five, opening the liquid outlet 13 and discharging the pickling solution in the tank body 10. During this step, the pickling solution is drained through the filter structure 20, while the material is blocked above the filter structure 20. And sixthly, opening the discharge hole 12, opening the injection pipeline, and quickly discharging the materials in the tank body 10 from the discharge hole 12 under the action of the injection water flow.

It should be noted that the discharge port 12 and the discharge port 13 are respectively provided with a corresponding valve to control the start and end of the discharge.

In addition, the application also provides pickling equipment, and the pickling equipment comprises the reaction tank provided by the part in the embodiment of the application. For related contents, reference may be made to the contents of the previous section, and the detailed description is not repeated here.

In the embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the present application as defined by the appended claims.

Claims

1. A reaction tank, comprising: the device comprises a tank body, a filtering structure, a supporting structure, a spraying pipeline and an injection pipeline; the tank body comprises a feeding hole, a discharging hole and a liquid discharging hole; the feed inlet is arranged at the top of the tank body and used for injecting a material to be pickled; the discharge port is arranged at the bottom of the tank body and used for discharging the pickled materials; the liquid outlet is arranged at the bottom of the tank body and used for discharging pickling solution after pickling materials;

2. The reaction tank of claim 1, wherein the shower is comprised of a plurality of transverse showers and a plurality of longitudinal showers; the transverse spraying pipes and the longitudinal spraying pipes are crisscrossed together; a plurality of spraying openings are uniformly distributed on each transverse spraying pipe and each longitudinal spraying pipe.

3. The reactor tank of claim 1, wherein said filter structure comprises a central support ring, a filter plate, a filter screen; the bottom of the central support ring is fixed on the bottom plate of the tank body; the filter plate extends to the side wall of the tank body from the top of the central support circular ring to the periphery; the filter screen covers the upper surface of the filter plate;

the discharge hole is arranged in the bottom area of the tank body covered by the central support ring; the liquid outlet is arranged in the bottom area of the tank body covered by the supporting structure.

4. The retort according to claim 3, wherein the filter sheet is provided with an upward protrusion at a position close to the side wall of the can body; a clearance groove is formed between the convex part and the side wall of the tank body; a filter screen pressing plate is inserted into the gap groove and used for pressing and fixing the filter screen; the filter screen pressing plate is fixed with the side wall of the tank body.

5. The reactor tank of claim 4, wherein the upper end of the screen pressing plate is welded with the side wall of the tank body; the center of the filter screen pressing plate is fixed with the side wall of the tank body through plastic screws.

6. The reactor tank of claim 3, wherein a circular tube is further embedded in the central support circular ring; the filter screen is clamped between the circular tube and the central support circular ring and is fixed.

7. The reactor tank of claim 3, wherein said filter plate is a concave conical plate having a height that decreases in a direction approaching the center support ring.

8. The reactor tank of claim 3, wherein said support structure comprises a plurality of support rings of different diameters disposed about the circumference of said central support ring; a circumferential groove is formed between the adjacent support rings; and a plurality of rib plates are arranged in the annular groove to divide the annular groove into a plurality of compartments; adjacent compartments are communicated with each other.

9. The reaction tank of claim 3, wherein the injection pipes comprise circular pipelines which are arranged in a circle along the circumferential direction of the side wall of the tank body and a central injection pipe which extends to the upper part of the discharge port; a plurality of spray heads which are inclined along the same rotating direction are arranged on the circular pipeline; and the central injection pipe is provided with an injection head which can vertically and downwards align to the discharge hole for injection.

10. A pickling plant, characterized in that it comprises a reaction tank according to any one of claims 1-9.