Leaching structure of fractionating tower of needle coke device

Abstract

The utility model discloses a leaching structure of a fractionating tower of a needle coke device, which relates to the technical field of needle coke, and comprises a liquid inlet component connected with an external liquid source and two groups of spraying components connected with the liquid inlet component, and the spraying components are arranged in the fractionating tower of the needle coke device in parallel up and down. The spray nozzle has double leaching effects, is wider in leaching area and more sufficient in leaching, improves the sufficiency in the gas-liquid phase contact process, reduces the probability of blockage of the spray nozzle by increasing the aperture of the spray nozzle, improves the overall use effect, and is high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to needle coke technical field, specifically, relate to a needle coke device fractionating column's elution structure. BACKGROUND

[0002] High-quality needle coke product is the high-quality material of manufacturing high power and super high power electrode, and needle coke is divided into petroleum system and coal system according to raw material. In the production process of needle coke, needle coke device fractionating column is needed to separate mixture into components of respective purity, and needle coke device fractionating column separates components of different boiling points between trays by controlling the flow of liquid phase and gas phase.

[0003] In actual needle coke product manufacturing workshop, the elution structure of needle coke device fractionating column has defects. In the existing elution structure of needle coke device fractionating column, the nozzle is arranged in single-row structure, and the aperture is small (5mm), so that the elution is not sufficient enough in daily use, and blockage is prone to occur, thereby reducing the sufficiency in the gas-liquid phase contact process, and the distillation effect is low. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the above background art, and further provides an elution structure of needle coke device fractionating column.

[0005] The utility model solves the technical problems by adopting the technical scheme of:

[0006] An elution structure of needle coke device fractionating column, comprising:

[0007] A liquid inlet assembly is connected to an external liquid source;

[0008] A spraying assembly is arranged in parallel with the liquid inlet assembly in the needle coke device fractionating column;

[0009] The spraying assembly comprises:

[0010] A main liquid pipe is arranged horizontally in the needle coke device fractionating column, and one end of the main liquid pipe is open, and the other end is closed, and the open end of the main liquid pipe is connected to the liquid inlet assembly;

[0011] Spraying pipes are arranged symmetrically on the main liquid pipe, and each spraying pipe has five spraying pipes;

[0012] Nozzles are arranged on the main liquid pipe and the spraying pipes, and the aperture of the nozzles is 10mm.

[0013] Further, the three nozzles are arranged along the front section, the middle section and the tail end of the main liquid pipe to improve the spraying effect, and the remaining nozzles are uniformly arranged on the spraying pipes.

[0014] Further to the above, the two groups of spray assemblies have the same spray direction, and both spray downward.

[0015] Further to the above, the two groups of spray assemblies have opposite spray directions, the group of spray assemblies at the upper side sprays downward, and the group of spray assemblies at the lower side sprays upward.

[0016] Further to the above, the spray pipe comprises:

[0017] a branch pipe, horizontally connected to the side of the main liquid pipe;

[0018] a flange, arranged at the end of the branch pipe;

[0019] a liquid guide pipe, one end of which is open and the other end of which is closed, and the open end of the liquid guide pipe is connected to the flange.

[0020] Further to the above, the branch pipe and the main liquid pipe are connected in a welding manner to improve the sealing and firmness.

[0021] Further to the above, the five spray pipes are arranged in a decreasing length from the middle to the outside, so that the connecting lines of the outer ends of the two groups of spray pipes are circular connecting lines that are suitable for the diameter size of the needle coke device fractionating tower, and the overall washing process is improved, and thus the washing effect is improved.

[0022] Further to the above, the spray assembly further comprises:

[0023] a detection piece, the number of which is consistent with the number of the spray pipes and is installed one-to-one corresponding to the spray pipes, so as to independently detect the pressure or flow in each spray pipe, and thus determine whether the spray pipe is damaged.

[0024] Further to the above, the detection piece is a pressure gauge.

[0025] Further to the above, the detection piece is a flow meter.

[0026] Further to the above, the liquid inlet assembly comprises:

[0027] a liquid inlet pipe, one of which is connected to an external liquid source;

[0028] a valve, arranged on the liquid inlet pipe to control the inlet of the external liquid source;

[0029] a liquid distribution pipe, one of which is connected to the liquid inlet pipe;

[0030] an elbow, two of which are respectively connected to the two ends of the liquid distribution pipe and are connected to the two main liquid pipes.

[0031] Further to the above scheme, the liquid source flowing into the liquid inlet pipe is wax oil, so as to improve the cleanliness of the spraying medium and avoid blockage.

[0032] Compared with the prior art, the beneficial effects of the utility model are:

[0033] 1、The utility model discloses a liquid inlet assembly and the cooperation setting of two groups of spraying assemblies make it have double washing effect, and the washing surface is wider, so that the washing is more sufficient, improve the fullness in the gas -liquid contact process, in addition, by increasing the aperture of the nozzle, reduce the probability of nozzle blockage, improve the overall use effect.

[0034] 2、The utility model discloses the spraying pipe in spraying assembly is set to split type, can be convenient for subsequent dismounting replacement operation, improve practicality. DRAWINGS

[0035] Figure 1 It is the structural schematic diagram of the utility model;

[0036] Figure 2 It is the installation position schematic diagram of spraying assembly;

[0037] Figure 3 It is the spraying state schematic diagram of spraying assembly;

[0038] Figure 4 It is the installation position schematic diagram of the utility model;

[0039] Figure 5 It is the installation position schematic diagram of detection piece;

[0040] Among them: 1, liquid inlet assembly;11, liquid inlet pipe;12, valve;13, liquid distribution pipe;14, elbow;2, spraying assembly;21, main liquid pipe;22, spraying pipe;221, branch pipe;222, flange;223, liquid guide pipe;23, nozzle;24, detection piece. DETAILED DESCRIPTION

[0041] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. The utility model is further illustrated in conjunction with the drawings and embodiments:

[0042] Referring to the drawings Figure 1 - the drawings Figure 2 As shown in the drawings, a needle coke device fractionating column washing structure comprises:

[0043] Liquid inlet assembly 1 has one set and is connected to an external liquid source to enable the introduction of the external liquid source;

[0044] The spray assembly 2 consists of two sets connected to the liquid inlet assembly 1, and is arranged in parallel vertically within the fractionation tower of the needle coke unit to achieve a dual scrubbing purpose and improve the sufficiency of gas-liquid phase contact process.

[0045] Among them, the spray assembly 2 includes:

[0046] There is one main liquid pipe 21, which is horizontally installed in the fractionation tower of the needle coke unit. One end of the main liquid pipe 21 is open and the other end is closed. The open end of the main liquid pipe 21 is connected to the liquid inlet assembly 1.

[0047] There are two sets of spray pipes 22, which are horizontally and symmetrically arranged on the main liquid pipe 21, and each set of spray pipes 22 has five pipes.

[0048] There are several nozzles 23, each of which is installed on the main liquid pipe 21 and the spray pipe 22, and the orifice diameter of the nozzle 23 is 10mm.

[0049] For the above embodiments, please refer to the appendix. Figure 1 As shown, three nozzles 23 are arranged along the front, middle and rear sections of the main liquid pipe 21 to improve the spraying effect, and the remaining nozzles 23 are evenly distributed on the spray pipe 22.

[0050] In the above embodiments, regarding the spraying direction of the two sets of spray components 2:

[0051] In one of the solutions, refer to Appendix Figure 2 As shown, the two sets of spray components 2 spray in the same direction and both spray downwards;

[0052] In another proposal, see Appendix Figure 3 As shown, the two sets of spray components 2 spray in opposite directions, with the upper set of spray components 2 spraying downwards and the lower set of spray components 2 spraying upwards.

[0053] For the above embodiments, please refer to the appendix. Figure 1 As shown, the spray pipe 22 includes:

[0054] Branch pipe 221 is horizontally connected to the side of main liquid pipe 21. During implementation, branch pipe 221 and main liquid pipe 21 can be connected by welding to improve sealing and firmness.

[0055] Flange 222 is located at the end of branch pipe 221;

[0056] The liquid guide tube 223 is open at one end and closed at the other end, and the open end of the liquid guide tube 223 is connected to the flange 222;

[0057] By setting the spray pipes 22 as split type, subsequent dismounting and replacement operation can be facilitated.

[0058] For the above-mentioned embodiments, refer to the accompanying drawings Figure 4 As shown in the drawings, the five spray pipes 22 are arranged in decreasing length from the middle part to the outer part, so that the outer end connecting lines of the two groups of spray pipes 22 are circular connecting lines matching the diameter size of the needle coke device fractionating tower, finally improving the comprehensiveness in the elution process, and further improving the elution effect.

[0059] For the above-mentioned embodiments, refer to the accompanying drawings Figure 5 As shown in the drawings, the spray assembly 2 further comprises:

[0060] The detection piece 24 is consistent with the number of the spray pipes 22 and is installed one-to-one corresponding to the spray pipes 22, for independently detecting the pressure or flow in each spray pipe 22, and further judging whether the spray pipe 22 is damaged; in the implementation process, the detection piece 24 is a pressure gauge or a flow meter.

[0061] For the above-mentioned embodiments, refer to the accompanying drawings Figure 1 As shown in the drawings, the liquid inlet assembly 1 comprises:

[0062] The liquid inlet pipe 11 is one and is used for connecting with an external liquid source, so as to realize the introduction of the external liquid source, among which the liquid source introduced into the liquid inlet pipe 11 is wax oil, so as to achieve the purpose of improving the cleanliness of the spray medium, and is not easy to block;

[0063] The valve 12 is arranged on the liquid inlet pipe 11 for controlling the introduction of the external liquid source;

[0064] The liquid distribution pipe 13 is one and is connected with the liquid inlet pipe 11;

[0065] The elbow 14 is two and is connected to the two ends of the liquid distribution pipe 13 respectively, and is connected with the two main liquid pipes 21.

[0066] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A needle coke device fractionating column showering structure, characterized in that it comprises: a liquid inlet assembly (1) having one set and being connected to an external liquid source; a shower assembly (2) having two sets and being connected to the liquid inlet assembly (1) and arranged in parallel in the needle coke device fractionating column; the shower assembly (2) comprises: a main liquid pipe (21) having one and being arranged horizontally in the needle coke device fractionating column, one end of the main liquid pipe (21) being open and the other end being closed, and the open end of the main liquid pipe (21) being connected to the liquid inlet assembly (1); a shower pipe (22) having two sets and being arranged symmetrically on the main liquid pipe (21), each set of the shower pipe (22) having five pipes; a nozzle (23) having a plurality of nozzles and being arranged on the main liquid pipe (21) and the shower pipe (22), and the nozzle (23) having a diameter of 10 mm.

2. The needle coke device fractionating column showering structure according to claim 1, characterized in that: three nozzles (23) are arranged along the front, middle and tail ends of the main liquid pipe (21), and the remaining nozzles (23) are uniformly arranged on the shower pipe (22).

3. The needle coke device fractionating column showering structure according to claim 2, characterized in that: the two sets of shower assemblies (2) have the same spraying direction, and both spray downward.

4. The needle coke device fractionating column showering structure according to claim 2, characterized in that: the two sets of shower assemblies (2) have opposite spraying directions, the upper set of shower assemblies (2) sprays downward, and the lower set of shower assemblies (2) sprays upward.

5. The needle coke device fractionating column showering structure according to claim 3 or 4, characterized in that: the shower pipe (22) comprises: a branch pipe (221) connected horizontally to the side of the main liquid pipe (21); a flange (222) arranged at the end of the branch pipe (221); and a liquid guide pipe (223) having one open end and the other closed end, and the open end of the liquid guide pipe (223) being connected to the flange (222).

6. The needle coke device fractionating column showering structure according to claim 5, characterized in that: the five shower pipes (22) are arranged in a decreasing order from the middle to the outside, so that the connection lines of the outer ends of the two sets of shower pipes (22) form a circular connection line matching the diameter of the needle coke device fractionating column.

7. The needle coke device fractionating column showering structure according to claim 1, characterized in that: the shower assembly (2) further comprises: a detection member (24) corresponding to the number of the shower pipes (22) and being installed one by one with the shower pipes (22) for independently detecting the pressure or flow rate in each shower pipe (22).

8. The needle coke device fractionating column showering structure according to claim 6, characterized in that: the liquid inlet assembly (1) comprises: a liquid inlet pipe (11) having one and being connected to an external liquid source; a valve (12) arranged on the liquid inlet pipe (11); a liquid distribution pipe (13) having one and being connected to the liquid inlet pipe (11); and two elbows (14) connected to the two ends of the liquid distribution pipe (13) and connected to the two main liquid pipes (21). ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 9. The elution structure of a needle coke plant fractionating column according to claim 8, characterized in that: The liquid source flowing into the liquid inlet pipe (11) is wax oil.

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