An automatic rinsing device

Abstract

This utility model provides an automatic flushing device, relating to the field of stripping tower technology. The utility model includes a tower body, a slurry inlet pipe located at the upper part of the tower body, and a spray assembly located at the top of the tower body. The spray assembly includes a spray ring and a spray pipe. The spray ring is located above the slurry inlet pipe, and the upper part of the spray ring has multiple spray holes. The spray pipe communicates with the spray ring. This utility model can flush the top of the stripping tower, reducing the accumulation of material on the top wall of the stripping tower.

Description

Technical Field

[0001] This utility model relates to the field of stripping tower technology, specifically to an automatic flushing device. Background Technology

[0002] Stripping is a unit operation used to recover absorbed solutes and to separate the absorbent from the solute for regeneration. In some cases, stripping is also used to remove light components from liquids, such as in the oil refining industry where steam is often used as the stripping agent to remove light components from oil products. Stripping towers can be plate towers or packed towers. Regardless of the type, the feed enters the tower from the top and exits from the bottom. The desorbent enters the tower from the bottom, contacts the liquid feed countercurrently within the tower, and exits from the tower at the top along with the stripped components.

[0003] Currently, during the operation of PVC slurry sieve plate cross-flow stripping towers, resin splashed on the top wall of the stripping tower deteriorates and falls off after prolonged exposure to high temperatures, causing product quality problems. Utility Model Content

[0004] The purpose of this invention is to develop an automatic flushing device that can flush the top of a stripping tower and reduce the amount of material aggregate generated on the top wall of the stripping tower.

[0005] This utility model is achieved through the following technical solution:

[0006] An automatic rinsing device includes:

[0007] tower body;

[0008] The slurry inlet pipe is located at the top of the tower body;

[0009] The spray assembly is located at the top of the tower.

[0010] The spraying assembly includes a spraying ring and a spraying pipe. The spraying ring is located above the slurry inlet pipe, and the upper part of the spraying ring has multiple spraying holes. The spraying pipe is connected to the spraying ring.

[0011] Optionally, the spray ring is circular, and the spray ring is horizontally arranged and located in the center of the tower body in the radial direction.

[0012] Optionally, the spray holes are evenly arranged on the upper part of the spray ring.

[0013] Optionally, the spray nozzle elevation angle is 30°.

[0014] Optionally, the spray assembly includes multiple spray rings, the diameter of which decreases sequentially and they are coaxial, and multiple connecting pipes connect adjacent spray rings.

[0015] Optionally, the multiple connecting pipes are arranged at equal intervals in the circumferential direction of the spray ring.

[0016] Optionally, the connecting pipes on the inner and outer sides of the spray ring are staggered.

[0017] Optionally, a heat exchanger is connected to the spray pipe, and a waste hot water inlet pipe and a waste hot water outlet pipe are connected to the heat exchanger.

[0018] Optionally, a regulating valve is provided on the spray pipe near the tower body of the heat exchanger, and a temperature sensor is provided inside the tower body on the side of the spray ring.

[0019] Optionally, the tower body is provided with a slurry outlet pipe at the bottom, an air inlet pipe at the lower part of the tower body, and a recovery pipe at the top of the tower body.

[0020] The beneficial effects of this utility model are:

[0021] After heat exchange, the demineralized water in this invention is sprayed out from multiple spray holes on the spray ring to rinse the top of the tower, reducing the accumulation of material on the top wall of the stripping tower and preventing resin splashing at the top. The demineralized water flows down the tower wall from the top for rinsing, improving the continuous operation cycle of the slurry stripping tower. Through temperature sensors and regulating valves, the spray assembly can be controlled to rinse the resin on the tower wall in a timely and quantitative manner, and the temperature can be controlled. The demineralized water used for rinsing exchanges heat with the waste hot water before entering the tower body, improving the stability of the tower's operating temperature and reducing steam consumption. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a structural diagram of Example 1;

[0024] Figure 2 This is a structural diagram of the spray ring in Example 1;

[0025] Figure 3 This is a structural diagram of the spray ring in Example 2.

[0026] Reference numerals in the attached diagram: 1. Tower body; 2. Recovery pipe; 3. Slurry outlet pipe; 4. Air inlet pipe; 5. Temperature sensor; 6. Slurry inlet pipe; 7. Spray pipe; 8. Heat exchanger; 9. Waste hot water inlet pipe; 10. Waste hot water outlet pipe; 11. Regulating valve; 12. Spray ring; 13. Spray hole; 14. Connecting pipe. Detailed Implementation

[0027] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0028] The following disclosure provides many different embodiments or examples for implementing various structures of the present invention. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0029] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0030] Example 1

[0031] like Figure 1 and Figure 2 As shown, this embodiment discloses an automatic flushing device, including a tower body 1 of a slurry stripping tower. The upper part of the tower body 1 is provided with a slurry inlet pipe 6, the bottom of the tower body 1 is provided with a slurry outlet pipe 3, the lower part of the tower body 1 is provided with an air inlet pipe 4, and the top of the tower body 1 is provided with a recovery pipe 2.

[0032] A spray assembly is provided at the top of the tower body 1. The spray assembly is located inside the tower body 1 and above the slurry inlet pipe 6. The spray assembly includes a spray ring 12 and a spray pipe 7. The spray ring 12 is circular and is horizontally arranged in the center of the radial direction of the tower body 1. A temperature sensor 5 is provided inside the tower body 1 on the side of the spray ring 12.

[0033] The upper part of the spray ring 12 is provided with multiple spray holes 13, which are evenly arranged on the upper part of the spray ring 12. The elevation angle of the spray holes 13 is 30°, that is, the angle between the axis of the spray holes 13 and the horizontal plane is 30°.

[0034] Spray pipe 7 is connected to spray ring 12. Spray pipe 7 extends outside tower body 1. A control valve is provided on spray pipe 7. A heat exchanger 8 is also provided on the side of spray pipe 7 away from tower body 1. Waste hot water inlet pipe 9 and waste hot water outlet pipe 10 are connected to heat exchanger 8. Spray pipe 7 transports demineralized water. After the demineralized water exchanges heat with waste hot water in heat exchanger 8 and is heated, it is input into spray ring 12.

[0035] During operation, the demineralized water, after heat exchange, is sprayed from multiple spray holes 13 on the spray ring 12 to flush the top of the tower body 1, reducing the accumulation of material on the top wall of the stripping tower and preventing resin splashing at the top. The demineralized water flows down the tower wall from the top for flushing, improving the continuous operating cycle of the slurry stripping tower. The spray assembly can be controlled to flush the resin on the tower wall at regular intervals and in precise quantities via temperature sensor 5 and regulating valve 11, and the temperature can be controlled. The demineralized water used for flushing exchanges heat with the waste hot water before entering the tower body 1, improving the stability of the operating temperature of the tower body 1 and reducing steam consumption.

[0036] Example 2

[0037] like Figure 3 As shown, this embodiment differs from Embodiment 1 in the number and arrangement of the spray rings 12 in the spray assembly. In this embodiment, the spray assembly is provided with three spray rings 12 whose diameters decrease sequentially and are coaxial, and the spray pipe 7 can be connected to any one of the spray rings 12.

[0038] Four connecting pipes 14 connect adjacent spray rings 12, and the four connecting pipes 14 are equally spaced along the circumference of the spray rings 12. The connecting pipes 14 on the inner and outer sides of the middle spray ring 12 are staggered, so that when the water flows from the inside to the outside or from the outside to the inside among the multiple spray rings 12, the water flow is serpentine among the spray rings 12, which improves the uniformity of the water flow among the multiple spray rings 12.

[0039] Based on Example 1, this embodiment increases the number of spray rings 12 and adjusts their arrangement to improve the coverage and uniformity of the spraying assembly, thereby further enhancing the spraying and rinsing effect.

[0040] The above embodiments are merely preferred embodiments of this utility model and are not intended to limit the technical solutions of this utility model. Any technical solution that can be implemented based on the above embodiments without creative effort should be considered to fall within the scope of protection of this utility model patent.

Claims

1. An automatic washing device, characterized in that, The utility model relates to a tower body, slurry inlet pipe, spray assembly, wherein, the spray assembly includes spray ring and spray pipe, the spray ring is located above the slurry inlet pipe, the upper portion of the spray ring is equipped with a plurality of spray holes, and the spray pipe is communicated with the spray ring. The spray ring is annular, horizontally arranged and located at the middle of the radial direction of the tower body. The spray holes are uniformly arranged on the upper portion of the spray ring. The elevation angle of the spray hole is 30 degrees. The spray assembly includes a plurality of spray rings, the diameters of the plurality of spray rings are sequentially reduced and coaxial, and a plurality of connecting pipes are communicated between adjacent spray rings.

2. The automatic washing apparatus according to claim 1, wherein The plurality of connecting pipes are equidistantly arranged in the circumferential direction of the spray ring.

3. The automatic washing apparatus according to claim 2, wherein The connecting pipes on the inner side and the outer side of the spray ring are arranged in a staggered manner.

4. The automatic washing apparatus according to claim 3, wherein A heat exchanger is communicated with the spray pipe, a waste hot water inlet pipe and a waste hot water outlet pipe are communicated with the heat exchanger.

5. The automatic washing apparatus according to any one of claims 1 to 4, characterized by An adjusting valve is arranged on the spray pipe close to the side of the tower body, and a temperature sensor is arranged in the tower body on the side of the spray ring.

6. The automatic washing apparatus according to claim 5, wherein A slurry outlet pipe is arranged at the bottom of the tower body, an air inlet pipe is arranged at the lower portion of the tower body, and a recovery pipe is arranged at the top of the tower body.

7. The automatic washing apparatus according to claim 6, wherein ​ 8. The automatic washing apparatus according to claim 1, wherein ​ 9. The automatic washing apparatus according to claim 8, wherein ​ 10. The automatic washing apparatus according to claim 1, wherein ​

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