Crude benzene cooling reflux device

Abstract

The utility model discloses a crude benzene cooling reflux device, which particularly relates to the technical field of cooling reflux, and comprises an evaporation box main body, a mounting support frame is arranged on one side of the outer end face of the evaporation box main body, a gas guide pipe is arranged at the upper end of the evaporation box main body, and a reflux pipe is arranged on one side of the outer end face of the evaporation box main body far away from a feed pipe. A condensation box is arranged at one end of the gas guide pipe, a material guide pipe is arranged at the lower end of the condensation box, and a smoke exhaust pipe is arranged on the outer end face of the material guide pipe and located on the upper side of the backflow pipe. When the condenser is actually used, the installation stability of the condenser body can be effectively improved in the state that the supporting cross rod, the condenser body and the partition plate are correspondingly arranged, meanwhile, the convenience of connection between the condensation water guide pipe and the connecting guide pipe can be improved in the state that the connecting guide pipe, the locking nut and the condensation water guide pipe are correspondingly arranged, and the installation efficiency is improved. And meanwhile, under the corresponding arrangement state of the square sealing cover and the locking rotating piece, the condensing box can be conveniently locked and sealed.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling and reflux, and more specifically to a crude benzene cooling and reflux device. Background Art

[0002] Crude benzene is one of the products of crude coal gas generated by coal pyrolysis. The benzene compounds recovered from the coke oven gas after deammoniation, of which benzene content is the main content, are called crude benzene. At present, coking enterprises mostly use steam method to remove benzene and recover crude benzene from crude coal gas. The mixture of benzene substances and water vapor coming out from the top of the debenzenization tower is separated from oil and water by crude benzene cooling and reflux device, and crude benzene is refluxed and transported. For example, the patent of prior art announcement number CN221117366U discloses a crude benzene cooling and reflux device. The density of the suspended ball itself is less than the density of water and greater than the density of liquid crude benzene. Benzene density, first connect the condenser with the external water supply pipe and water outlet pipe, then connect the guide pipe with the benzene vapor output pipe at the top of the debenzene tower, the benzene vapor enters the guide pipe, and the cooling water inside the condenser absorbs heat to liquefy the benzene vapor, the liquefied crude benzene and water enter the diversion pipe along the guide pipe, because the density of crude benzene is smaller than that of water, the crude benzene is suspended on the upper side of the water, and the crude benzene and water move along the guide funnel during the falling process of the diversion pipe, thereby avoiding the splashing of the crude benzene and water accumulated under the diversion pipe due to their own gravity during the falling process.

[0003] When the above device is in use, it can automatically measure the storage liquid level of the water body generated by the cooling of benzene vapor and discharge it to the outside of the device in time. It is easy to use. The crude benzene returns to the debenzene tower through the reflux pipe. The compression elastic force of the spring ensures that part of the crude benzene is always stored between the conical seat and the sealing seat of the reflux pipe, thereby preventing the water vapor in the diversion pipe from returning to the debenzene tower through the gap between the conical seat and the sealing seat. However, when benzene vapor is condensed, it is easy to corrode the condenser body, thereby affecting the condensation effect of the condenser body, and it is inconvenient to clean and replace it. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a crude benzene cooling and reflux device. The technical problem to be solved by the utility model is: how to increase the convenience of cleaning and replacing the main body of the benzene steam condenser.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crude benzene cooling and reflux device, comprising an evaporation box body, a mounting support frame is provided on one side of the outer end surface of the evaporation box body, an air guide pipe is provided at the upper end of the evaporation box body, a return pipe is provided at the outer end surface of the evaporation box body on the side away from the feed pipe, a condensation box is provided at one end of the air guide pipe, a material guide pipe is provided at the lower end of the condensation box, a smoke exhaust pipe is provided on the outer end surface of the material guide pipe on the upper side of the return pipe, and a filter is provided at one end of the smoke exhaust pipe;

[0006] A filter core is provided inside the filter element, a square sealing cover is provided on one side of the outer end surface of the condensation box, a partition plate is provided on the inner end surface of the condensation box, a supporting cross bar is provided on the inner side of the partition plate, a condenser body is provided inside the condensation box, a connecting conduit is provided on one side of the outer end surface of the condensation box, a condensation water guide pipe is provided on one side of the outer end surface of the condensation body, and a locking nut is provided on the outer side of one end of the connecting conduit.

[0007] In a preferred embodiment, a discharge pipe is provided at the lower end of the evaporator box body, a discharge control valve is provided at the outer end surface of the discharge pipe, and a heating wire is provided at the lower side of the outer end surface of the evaporator box body;

[0008] The heating wire passes through the end surface of the evaporator box body and extends to the inside of the evaporator box body. A feed pipe is provided on the upper side of the outer end surface of the evaporator box body.

[0009] In a preferred embodiment, a feed solenoid valve is provided on the outer end surface of the feed pipe, and the feed guide pipe is connected to the return pipe;

[0010] A reflux electromagnetic valve is provided at the connection between the material guide pipe and the reflux pipe, a smoke exhaust electromagnetic valve is provided on the outer end surface of the smoke exhaust pipe, and a sealing cover is provided on the upper end of the filter element.

[0011] In a preferred embodiment, the outer end surface of the square sealing cover is provided with a handle, and the outer end surfaces of the condensation box and the square sealing cover are provided with a locking rotating member;

[0012] There are multiple partition plates, which are arranged on both sides of the vertical central axis of the condensing box in the right viewing direction. The partition plates are arranged in an inclined state in the right viewing direction.

[0013] In a preferred embodiment, the feed solenoid valve, the discharge control valve, the reflux solenoid valve and the smoke exhaust solenoid valve are all electrically connected to an external control device, and the sealing cover is connected to the filter element by bolts;

[0014] There are a plurality of locking rotating members, which are arranged in an array on both sides of the transverse central axis of the square sealing cover in the right viewing direction.

[0015] In a preferred embodiment, the outer end face of the condenser body fits with the inner end face of the supporting cross bar, and the connecting conduit, locking nut and condensation water pipe are each provided with two in number, and are arranged in a mirror state on both sides of the transverse center axis in the right viewing direction of the condenser box.

[0016] Technical effects and advantages of the utility model:

[0017] When the utility model is actually used, the stability of the installation of the condenser body can be effectively increased by correspondingly arranging the supporting crossbar, the condenser body and the partition plate;

[0018] At the same time, when the connecting conduit, the locking nut and the condensing water conduit are set correspondingly, the convenience of connecting the condensing water conduit and the connecting conduit can be increased;

[0019] At the same time, when the square sealing cover and the locking rotating part are set in a corresponding state, the condensation box can be conveniently locked and sealed, thereby preventing the leakage of benzene vapor;

[0020] At the same time, it can also effectively increase the convenience of installation and disassembly of the condenser main body. If the condenser main body is damaged after being corroded by benzene vapor during long-term operation, the square sealing cover can be disassembled to maintain and replace the condenser main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 It is a schematic diagram of the overall rear structure of the utility model.

[0023] Figure 3 This is a schematic diagram of the cross-sectional connection structure of the condenser box of the utility model.

[0024] Figure 4 For this utility model Figure 3 Schematic diagram of the enlarged structure of part A in the middle.

[0025] The accompanying drawings are marked as follows: 1. Evaporator box body, 2. Mounting support frame, 3. Air guide pipe, 4. Feed pipe, 5. Feed solenoid valve, 6. Discharge pipe, 7. Discharge control valve, 8. Heating wire, 9. Filter element, 10. Condenser box, 11. Square sealing cover, 12. Locking rotating part, 13. Handle, 14. Feed guide pipe, 15. Smoke exhaust pipe, 16. Reflux pipe, 17. Filter element, 18. Support cross bar, 19. Condenser body, 20. Sealing cover, 21. Connecting duct, 22. Partition plate, 23. Locking nut, 24. Condensation water guide pipe. DETAILED DESCRIPTION

[0026] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that the description of the present disclosure will be more comprehensive and complete and the concepts of the example embodiments will be fully conveyed to those skilled in the art. The accompanying drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the figures represent the same or similar parts, and thus their repeated description will be omitted.

[0027] The utility model provides a crude benzene cooling reflux device, such as Figure 1 and Figure 2 As shown, it includes an evaporation box body 1, one side of the outer end surface of which is provided with a mounting support frame 2, which can facilitate the installation and support of the evaporation box body 1, the upper end of the evaporation box body 1 is provided with an air guide pipe 3, the outer end surface of the evaporation box body 1 is provided with a return pipe 16 on the side away from the feed pipe 4, and one end of the air guide pipe 3 is provided with a condensation box 10, which can facilitate the introduction of benzene vapor into the interior of the condensation box 10 through the air guide pipe 3;

[0028] A guide pipe 14 is provided at the lower end of the condensing box 10, and a smoke exhaust pipe 15 is provided on the upper side of the reflux pipe 16 on the outer end face of the guide pipe 14, which can discharge excess gas when benzene vapor condenses. A filter 9 is provided at one end of the smoke exhaust pipe 15, which can conveniently filter harmful gases in the exhaust gas, thereby avoiding pollution to the external environment and affecting the working environment of the workers. A square sealing cover 11 is provided on one side of the outer end face of the condensing box 10, and a discharge pipe 6 is provided at the lower end of the evaporation box body 1, which can conveniently discharge excess water from the inside of the evaporation box body 1 after the crude benzene extraction is completed. A discharge control valve 7 is provided on the outer end face of the discharge pipe 6, and a heating wire 8 is provided on the lower side of the outer end face of the evaporation box body 1, which can heat the mixture inside the evaporation box body 1 through the heating wire 8;

[0029] The heating wire 8 passes through the end surface of the evaporator box body 1 and extends to the inside of the evaporator box body 1. A feed pipe 4 is provided on the upper side of the outer end surface of the evaporator box body 1. A feed solenoid valve 5 is provided on the outer end surface of the feed pipe 4. The guide pipe 14 is connected to the return pipe 16.

[0030] A reflux solenoid valve is provided at the connection between the guide pipe 14 and the reflux pipe 16, a smoke exhaust solenoid valve is provided on the outer end surface of the smoke exhaust pipe 15, a handle 13 is provided on the outer end surface of the square sealing cover 11, and a locking rotating member 12 is provided on the outer end surface of the condensation box 10 and the square sealing cover 11, so that the condensation box 10 can be conveniently locked and sealed to prevent the leakage of benzene vapor, and the condenser body 19 can also be conveniently cleaned and replaced to prevent the benzene vapor from corroding the condenser body 19 under the condition of long-term circulation, thereby reducing the condensation effect of the condenser body 19;

[0031] The feed solenoid valve 5, discharge control valve 7, reflux solenoid valve and smoke exhaust solenoid valve are all electrically connected to the external control device. There are multiple locking rotating parts 12, and they are arranged in an array on both sides of the transverse central axis of the square sealing cover 11 when viewed from the right.

[0032] like Figure 3 and Figure 4 As shown, a filter element 17 is provided inside the filter element 9, a partition plate 22 is provided on the inner end surface of the condensation box 10, a support cross bar 18 is provided on the inner side of the partition plate 22, a condenser body 19 is provided inside the condensation box 10, and the condenser body 19 can be easily installed and replaced, a connecting conduit 21 is provided on one side of the outer end surface of the condensation box 10; a condensation water guide pipe 24 is provided on one side of the outer end surface of the condensation body 19;

[0033] A locking nut 23 is provided on the outer side of one end of the connecting conduit 21, and a sealing cover 20 is provided on the upper end of the filter element 9. The sealing cover 20 is connected to the filter element 9 by bolts, which can effectively increase the convenience of installation and removal of the filter element 9 and the sealing performance of the installation. The number of the partition plates 22 is provided in plurality, and they are arranged on both sides of the vertical central axis of the condensation box 10 in the right viewing direction, and the partition plates 22 are arranged in an inclined state in the right viewing direction;

[0034] The outer end surface of the condenser body 19 fits with the inner end surface of the supporting cross bar 18, and the connecting pipe 21, the locking nut 23 and the condensation water pipe 24 are each provided with two in number, and are arranged in a mirror state on both sides of the transverse central axis of the condensation box 10 when viewed from the right.

[0035] Working principle of this utility model:

[0036] When the utility model is used, the staff introduces the benzene mixture into the interior of the evaporation box body 1 from the feed pipe 4, and then the heating wire 8 heats the mixture. When the benzene evaporates into gas, it is introduced into the interior of the air guide pipe 3 and enters the interior of the condensation box 10. Then, the benzene vapor can be condensed through the condenser body 19, and the condensed liquid crude benzene will be discharged through the feed pipe 14. When the liquid crude benzene contains water vapor, the staff can drive the reflux solenoid valve to close through the external control device, and the air guide pipe 3 and the reflux pipe 16 are connected through the reflux solenoid valve, and the liquid produced by the condensation will be introduced from the reflux pipe 16 into the interior of the evaporation box body 1.

[0037] Finally, a few points should be explained: the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crude benzene cooling and reflux device, characterized in that: include: An evaporator box body (1) has a mounting support frame (2) provided on one side of its outer end surface, an air guide pipe (3) provided at the upper end of the evaporator box body (1), a return pipe (16) provided on the outer end surface of the evaporator box body (1) at a side away from the feed pipe (4), a condenser box (10) provided at one end of the air guide pipe (3), a material guide pipe (14) provided at the lower end of the condenser box (10), a smoke exhaust pipe (15) provided on the outer end surface of the material guide pipe (14) at the upper side of the return pipe (16), and a filter element (9) provided at one end of the smoke exhaust pipe (15); A filter element (17) is provided inside the filter element (9); a square sealing cover (11) is provided on one side of the outer end surface of the condensation box (10); a partition plate (22) is provided on the inner end surface of the condensation box (10); a supporting cross bar (18) is provided on the inner side of the partition plate (22); a condenser body (19) is provided inside the condensation box (10); a connecting conduit (21) is provided on one side of the outer end surface of the condensation box (10); a condensation water guide pipe (24) is provided on one side of the outer end surface of the condensation box (19); and a locking nut (23) is provided on the outer side of one end of the connecting conduit (21).

2. A crude benzene cooling and reflux device according to claim 1, characterized in that: A discharge pipe (6) is provided at the lower end of the evaporator box body (1), a discharge control valve (7) is provided at the outer end surface of the discharge pipe (6), and a heating wire (8) is provided at the lower side of the outer end surface of the evaporator box body (1); The heating wire (8) passes through the end surface of the evaporator box body (1) and extends to the interior of the evaporator box body (1). A feed pipe (4) is provided on the upper side of the outer end surface of the evaporator box body (1).

3. A crude benzene cooling and reflux device according to claim 2, characterized in that: The outer end surface of the feed pipe (4) is provided with a feed solenoid valve (5), and the feed guide pipe (14) is connected to the return pipe (16); A reflux solenoid valve is provided at the connection between the material guide pipe (14) and the reflux pipe (16), a smoke exhaust solenoid valve is provided on the outer end surface of the smoke exhaust pipe (15), and a sealing cover (20) is provided at the upper end of the filter element (9).

4. A crude benzene cooling and reflux device according to claim 3, characterized in that: The outer end surface of the square sealing cover (11) is provided with a handle (13), and the outer end surfaces of the condensation box (10) and the square sealing cover (11) are provided with a locking rotating member (12).

5. A crude benzene cooling and reflux device according to claim 4, characterized in that: The feed solenoid valve (5), the discharge control valve (7), the reflux solenoid valve and the smoke exhaust solenoid valve are all electrically connected to an external control device, and the sealing cover (20) is connected to the filter element (9) via bolts.

6. A crude benzene cooling and reflux device according to claim 1, characterized in that: The outer end surface of the condenser body (19) is in contact with the inner end surface of the supporting cross bar (18), and the connecting conduit (21), the locking nut (23) and the condensing water conduit (24) are each provided in two pieces, and are arranged in a mirror image state on both sides of the transverse central axis of the condensing box (10) in the right viewing direction.

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