Crude benzene condensation cooler

Abstract

The utility model discloses a crude benzene condensation cooler which comprises a first condensation tank and a second condensation tank, the second condensation tank is arranged at one end of the first condensation tank, the upper end face of the second condensation tank is flush with the upper end face of the first condensation tank, supporting legs are evenly distributed at the lower end of the first condensation tank, a first condensation pipe is arranged in the first condensation tank, and a second condensation pipe is arranged in the second condensation tank. The crude benzene condensate collecting device is connected with external equipment through flanges, a good sealing effect is achieved, the situation that crude benzene steam leaks, is harmful to human bodies and pollutes the environment in the condensation process is avoided, the first flange is connected with external crude benzene steam supply equipment and serves as an air inlet end, the second flange is connected with external crude benzene condensate collecting equipment, and therefore the crude benzene condensate collecting device can be used for collecting crude benzene condensate. And cooling water flows through the water inlet pipe and the water outlet pipe, so that the crude benzene steam is condensed, and the crude benzene steam condensation device has the characteristics of strong practicability and capability of secondary condensation.

Description

Technical Field

[0001] The utility model relates to the technical field of crude benzene condensation, in particular to a crude benzene condensation cooler. Background Art

[0002] The coking process includes a benzene washing and stripping section. The benzene washing process: the coal gas from the ammonium sulfate section enters the horizontal tube final cooler for cooling, and passes through the benzene washing tower from bottom to top, where it is fully contacted with the tar washing oil. The benzene in the coal gas is absorbed by the tar washing oil, and the benzene in the coal gas is removed, and the coal gas becomes clean coal gas; the debenzening process: the washing oil absorbs benzene and becomes rich oil. The rich oil is debenzened in the debenzening tower and becomes lean oil, which returns to the benzene washing tower to absorb benzene. The washing oil is recycled and the crude benzene is sold.

[0003] The utility model with publication number CN208012398U discloses a crude benzene condensation cooler, which comprises a condenser body, a benzene water outlet pipe and a benzene water heat exchange pipe, wherein the benzene water heat exchange pipe is arranged in the condenser body, the benzene water outlet pipe is arranged on the condenser body, the benzene water outlet pipe comprises a U-shaped elbow, and the U-shaped elbow is arranged on the benzene water outlet pipe. However, during use, the utility model only cools and condenses the crude benzene, and the excess gases such as oxygen and nitrogen in the crude benzene are not discharged, thereby affecting the purity of the crude benzene condensate. At the same time, once the crude benzene vapor evaporates, the vapor emitted from the vaporization point is harmful to the human body and pollutes the environment. At the same time, since the volatilization of the crude benzene vapor greatly reduces the content of the crude benzene condensate, it is not conducive to the production and use of the crude benzene. Therefore, it is very necessary to design a crude benzene condensation cooler with strong practicality and secondary condensation. Utility Model Content

[0004] The purpose of the utility model is to provide a crude benzene condensation cooler to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a crude benzene condensation cooler comprises a first condensation tank and a second condensation tank, wherein the second condensation tank is arranged at one end of the first condensation tank, the upper end surfaces of the second condensation tank and the first condensation tank are flush, the lower end of the first condensation tank is evenly distributed with support legs, a first condensation pipe is arranged in the first condensation tank, one end of the first condensation pipe penetrates and extends out of the outer wall of the first condensation tank and is fixedly installed with a first flange, the other end of the first condensation pipe penetrates and extends out of the outer wall of the first condensation tank and is fixedly installed with a second flange, a water inlet pipe and a water outlet pipe are respectively fixedly installed at the center positions of the upper and lower ends of the first condensation tank, and the water inlet pipe and the water outlet pipe are respectively fixedly installed with The third flange and the fourth flange, the first condensation tank and the second condensation tank are connected by a connecting pipe, one end of the connecting pipe extends into the first condensation tank and is connected to the upper wall of the end of the first condensation tube, a heat exchange tube body is fixedly installed in the second condensation tank, the upper and lower ends of the heat exchange tube body respectively pass through the second condensation tank and are fixedly installed with a fifth flange and a sixth flange, the other end of the connecting pipe extends into the second condensation tank and is fixedly installed with a second condensation tube, the second condensation tube is coiled outside the heat exchange tube body, an exhaust pipe is fixedly installed on the upper end of the second condensation tank and a control valve is provided on the exhaust pipe, a liquid outlet pipe is fixedly installed at one end of the second condensation tank and a seventh flange is fixedly installed on the liquid outlet pipe.

[0006] According to the above technical solution, an inspection port is opened through the side wall of the second condensing tank, a sealing plate is fixedly installed on the inspection port by fastening bolts, and a transparent observation window is provided on the sealing plate.

[0007] According to the above technical solution, the first condensation tube is spirally arranged in the first condensation tank.

[0008] According to the above technical solution, the connecting pipe is arranged to be inclined upward from the first condensation tank toward the second condensation tank.

[0009] According to the above technical solution, rib plates are symmetrically fixedly installed between the first condensation tank and the second condensation tank.

[0010] According to the above technical solution, an inclined surface is provided in the second condensing tank, and the inclined surface is arranged to be inclined downward toward the liquid outlet pipe.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: the connection between the utility model and external equipment is through flange connection, which plays a good sealing role and prevents the crude benzene vapor from leaking out during the condensation process, which is harmful to the human body and pollutes the environment. The first flange is connected to the external crude benzene vapor gas supply equipment as the air inlet end, and the second flange is connected to the external crude benzene condensate collection equipment as the liquid outlet end. Cooling water flows through the water inlet pipe and the water outlet pipe to condense the crude benzene vapor. The first condenser tube is spirally arranged in the first condensation tank, which can increase the condensation process of the first condenser tube. During the condensation process of the first condenser tube, the end of the first condenser tube is connected to the connecting pipe, and some uncondensed crude benzene vapor and excess gases such as oxygen and nitrogen enter the second condensation tank through the connecting pipe for re-condensation. The connecting pipe is connected from the first condensation tank toward the second condensation tank. The condenser is inclined upward, which can guide the gas inside the connecting pipe well, and the crude benzene vapor in the second condenser is secondary condensed through the heat exchange tube body. The condensed crude benzene liquid gathers at the bottom of the second condenser and is discharged and collected through the liquid outlet pipe. The inclined surface can make the condensed benzene liquid in the second condenser flow to the liquid outlet pipe for discharge, thereby preventing the benzene liquid from docking inside the second condenser. The liquid outlet pipe is connected to the external collection equipment through the seventh flange, and excess gases such as oxygen and nitrogen are discharged through the exhaust pipe, thereby improving the purity of the crude benzene condensate and greatly improving the content of the crude benzene condensate, which is beneficial to the production and use of crude benzene. The inside of the second condenser can be regularly inspected through the inspection port to avoid clogging of the liquid outlet pipe by impurities, and the condensation process of the crude benzene in the second condenser can be observed and recorded in real time through the transparent observation window. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a first stereoscopic schematic diagram of the utility model;

[0014] Figure 2 It is a second stereoscopic schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the main cross-sectional view of the utility model;

[0016] Figure 4 It is a three-dimensional schematic diagram of the second condenser of the utility model;

[0017] In the figure: 1-first condenser, 2-second condenser, 3-support leg, 4-first condenser, 5-first flange, 6-second flange, 7-water inlet pipe, 8-water outlet pipe, 9-third flange, 10-fourth flange, 11-connecting pipe, 12-heat exchange tube body, 13-fifth flange, 14-sixth flange, 15-exhaust pipe, 16-control valve, 17-liquid outlet pipe, 18-seventh flange, 19-inspection port, 20-fastening bolts, 21-sealing plate, 22-transparent observation window, 23-rib plate, 24-inclined surface, 25-second condenser. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4The utility model provides a technical solution: a crude benzene condensation cooler comprises a first condensation tank 1 and a second condensation tank 2, wherein the second condensation tank 2 is arranged at one end of the first condensation tank 1, the second condensation tank 2 and the upper end surface of the first condensation tank 1 are flush, and the lower end of the first condensation tank 1 is evenly distributed with support legs 3, a first condensation pipe 4 is arranged in the first condensation tank 1, one end of the first condensation pipe 4 penetrates and extends out of the outer wall of the first condensation tank 1 and is fixedly installed with a first flange 5, the other end of the first condensation pipe 4 penetrates and extends out of the outer wall of the first condensation tank 1 and is fixedly installed with a second flange 6, and the center positions of the upper and lower ends of the first condensation tank 1 are respectively fixed with a water inlet pipe 7 and a water outlet pipe 8. The first condensing tank 1 and the second condensing tank 2 are connected by a connecting pipe 11, one end of the connecting pipe 11 extends into the first condensing tank 1 and is connected to the upper wall of the end of the first condensing tube 4, and a heat exchange tube body 12 is fixedly installed in the second condensing tank 2. The upper and lower ends of the heat exchange tube body 12 respectively penetrate the second condensing tank 2 and are fixedly installed with a fifth flange 13 and a sixth flange 14. The other end of the connecting pipe 11 extends into the second condensing tank 2 and is fixedly installed with a second condensing tube 25. The second condensing tube 25 is coiled and arranged on the heat exchange tube body 12. The second condensing tank 2 is provided with an exhaust pipe 15 fixedly mounted on the upper end thereof, and a control valve 16 is arranged on the exhaust pipe 15; a liquid outlet pipe 17 is fixedly mounted on one end of the second condensing tank 2, and a seventh flange 18 is fixedly mounted on the liquid outlet pipe 17; when the utility model is in use, the connection with the external equipment is connected through the flange connection, which plays a good sealing role, and prevents the crude benzene steam from leaking out during the condensation process, which is harmful to the human body and pollutes the environment; the first flange 5 is connected to the external crude benzene steam supply equipment as the air inlet end, and the second flange 6 is connected to the external crude benzene condensate collection equipment as the liquid outlet end, and cooling water flows through the water inlet pipe 7 and the water outlet pipe 8, which acts on the crude benzene steam. To achieve the effect of condensation, during the condensation process of the first condensation tube 4, the end of the first condensation tube 4 is connected to the connecting pipe 11, and part of the uncondensed crude benzene vapor and excess gases such as oxygen and nitrogen enter the second condensation tank 2 through the connecting pipe 11 for re-condensation, and the crude benzene vapor in the second condensation tube 25 is secondary condensed through the heat exchange tube body 12, and the condensed crude benzene liquid is gathered at the bottom of the second condensation tank 2, and discharged and collected through the liquid outlet pipe 17, and the liquid outlet pipe 17 is connected to the external collection equipment through the seventh flange 18, and the excess gases such as oxygen and nitrogen are discharged through the exhaust pipe 15, thereby improving the purity of the crude benzene condensate, greatly improving the content of the crude benzene condensate, and facilitating the production and use of the crude benzene;

[0020] Specifically, an inspection port 19 is provided through the side wall of the second condensing tank 2, and a sealing plate 21 is fixedly installed on the inspection port 19 by fastening bolts 20. A transparent observation window 22 is provided on the sealing plate 21. The interior of the second condensing tank 2 can be inspected regularly through the inspection port 19 to prevent impurities from blocking the liquid outlet pipe 17, and the condensation process of the crude benzene in the second condensing tank 2 can be observed and recorded in real time through the transparent observation window 22;

[0021] Specifically, the first condensation tube 4 is spirally arranged in the first condensation tank 1, and the first condensation tube 4 is spirally arranged in the first condensation tank 1, which can increase the condensation process of the first condensation tube 4;

[0022] Specifically, the connecting pipe 11 is disposed upwardly from the first condensing tank 1 toward the second condensing tank 2, so as to guide the gas inside the connecting pipe 11 well;

[0023] Specifically, a rib plate 23 is symmetrically fixedly installed between the first condensation tank 1 and the second condensation tank 2, and the second condensation tank 2 can be stably fixed to the side wall of the first condensation tank 1 through the rib plate 23;

[0024] Specifically, an inclined surface 24 is opened in the second condensation tank 2, and the inclined surface 24 is arranged to be inclined downward toward the liquid outlet pipe 17. The inclined surface 24 can make the benzene liquid condensed in the second condensation tank 2 flow to the liquid outlet pipe 17 for discharge, thereby preventing the benzene liquid from docking inside the second condensation tank 2.

[0025] Working principle: When the utility model is in use, the connection with external equipment is through flange connection, which plays a good sealing role and prevents the crude benzene vapor from leaking out during the condensation process, which is harmful to the human body and pollutes the environment. The first flange 5 is connected to the external crude benzene vapor gas supply equipment as the air inlet end, and the second flange 6 is connected to the external crude benzene condensate collection equipment as the liquid outlet end. Cooling water flows through the water inlet pipe 7 and the water outlet pipe 8 to condense the crude benzene vapor. The first condensation tube 4 is spirally arranged in the first condensation tank 1, which can increase the condensation process of the first condensation tube 4. During the condensation process of the first condensation tube 4, the end of the first condensation tube 4 is connected to the connecting pipe 11, and some uncondensed crude benzene vapor and excess gases such as oxygen and nitrogen enter the second condensation tank 2 through the connecting pipe 11 for re-condensation. The connecting pipe 11 is arranged upward from the first condensation tank 1 to the second condensation tank 2, which can The gas inside the connecting pipe 11 is well guided, and the crude benzene vapor in the second condenser 25 is secondary condensed through the heat exchange tube body 12. The condensed crude benzene liquid gathers at the bottom of the second condenser 2 and is discharged and collected through the liquid outlet pipe 17. The inclined surface 24 is set to make the condensed benzene liquid in the second condenser 2 flow to the liquid outlet pipe 17 for liquid discharge, thereby preventing the benzene liquid from docking inside the second condenser 2. The liquid outlet pipe 17 is connected to the external collection equipment through the seventh flange 18, and the excess gases such as oxygen and nitrogen are discharged through the exhaust pipe 15, thereby improving the purity of the crude benzene condensate, greatly improving the content of the crude benzene condensate, and facilitating the production and use of the crude benzene. The second condenser 2 can be regularly inspected through the inspection port 19 to avoid clogging of the liquid outlet pipe 17 by impurities, and the condensation process of the crude benzene in the second condenser 2 can be observed and recorded in real time through the transparent observation window 22.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A crude benzene condensation cooler, comprising a first condensation tank (1) and a second condensation tank (2), characterized in that: The second condensation tank (2) is arranged at one end of the first condensation tank (1), the upper end surfaces of the second condensation tank (2) and the first condensation tank (1) are flush, the lower end of the first condensation tank (1) is evenly distributed with support legs (3), the first condensation tank (1) is provided with a first condensation pipe (4), one end of the first condensation pipe (4) penetrates and extends out of the outer wall of the first condensation tank (1) and is fixedly installed with a first flange (5), the other end of the first condensation pipe (4) penetrates and extends out of the outer wall of the first condensation tank (1) and is fixedly installed with a second flange (6), the center positions of the upper and lower ends of the first condensation tank (1) are respectively fixedly installed with a water inlet pipe (7) and a water outlet pipe (8), the water inlet pipe (7) and the water outlet pipe (8) are respectively fixedly installed with a third flange (9) and a fourth flange (10), the first condensation tank (1) and the second condensation tank (2) are connected by A heat exchange tube (11) is connected with the second condenser (2), one end of the connecting tube (11) extends into the first condenser (1) and is connected to the upper wall of the end of the first condenser tube (4); a heat exchange tube body (12) is fixedly installed in the second condenser (2); the upper and lower ends of the heat exchange tube body (12) respectively pass through the second condenser (2) and are fixedly installed with a fifth flange (13) and a sixth flange (14); the other end of the connecting tube (11) extends into the second condenser (2) and is fixedly installed with a second condenser tube (25); the second condenser tube (25) is coiled outside the heat exchange tube body (12); an exhaust pipe (15) is fixedly installed at the upper end of the second condenser tank (2) and a control valve (16) is provided on the exhaust pipe (15); a liquid outlet pipe (17) is fixedly installed at one end of the second condenser tank (2) and a seventh flange (18) is fixedly installed on the liquid outlet pipe (17).

2. The crude benzene condensation cooler according to claim 1, characterized in that: The side wall of the second condensing tank (2) is penetrated by an inspection opening (19), and a sealing plate (21) is fixedly installed on the inspection opening (19) by means of fastening bolts (20), and a transparent observation window (22) is provided on the sealing plate (21).

3. The crude benzene condensation cooler according to claim 2, characterized in that: The first condensation tube (4) is spirally arranged in the first condensation tank (1).

4. The crude benzene condensation cooler according to claim 3, characterized in that: The connecting pipe (11) is arranged to be inclined upward from the first condensation tank (1) toward the second condensation tank (2).

5. The crude benzene condensation cooler according to claim 4, characterized in that: A rib plate (23) is symmetrically fixedly installed between the first condensation tank (1) and the second condensation tank (2).

6. The crude benzene condensation cooler according to claim 5, characterized in that: An inclined surface (24) is provided in the second condensation tank (2), and the inclined surface (24) is arranged to be inclined downward toward the liquid outlet pipe (17).

Images