Crude benzene purification device

Abstract

The utility model relates to the technical field of crude benzene purification, and discloses a crude benzene purification device which is characterized in that a driving end of a stirring motor is hermetically connected with a rotating shaft in a purification cylinder, stirring rods are symmetrically arranged on two sides of the rotating shaft, a heating sleeve is arranged outside the purification cylinder in a purification tank, and the heating sleeve is connected with a stirring motor. A heat conduction sleeve is arranged on the inner side of the heating sleeve and outside the purification barrel; one side of the purification tank is connected with a communicating pipe, one end of the communicating pipe is connected with a cooling cylinder, a condensation pipe is arranged in the cooling cylinder, and a water pump is mounted on the outer side of the cooling cylinder. A heating pipe in a heating sleeve is electrified for heating, heat can be transferred into a purification barrel through a heat conduction sleeve and a heat conduction rod, so that crude benzene in the purification barrel can be heated and evaporated, meanwhile, a stirring rod outside a rotating shaft can rotate by utilizing work of a stirring motor, and then the crude benzene can be uniformly heated; therefore, the purification efficiency can be improved.

Description

Technical Field

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

[0002] Crude benzene is one of the products of crude coal gas produced by coal pyrolysis. It is a benzene compound recovered from coke oven gas after deammoniation, of which benzene content is the main component. Crude benzene is a light yellow transparent liquid, lighter than water and insoluble in water. It needs to be purified during the production and processing of crude benzene to remove impurities such as unsaturated compounds and sulfides in it.

[0003] A Chinese patent discloses a purification device for crude benzene hydrogenation production (Announcement No. CN214361085U). The patented technology is simple to use and easy to operate. It can quickly preheat the raw materials so that the raw materials quickly reach the gasification temperature, effectively improve the heating speed of the raw materials, and increase the purification efficiency. The setting of the preheating box can continuously and quickly preheat the raw materials in the crude benzene conveying pipeline under the heat conduction of the heating wire, the heating bin and the heating bottom plate, effectively increasing the temperature of the raw materials before distillation and purification.

[0004] However, there are still some shortcomings in this patent. Although this patent can purify crude benzene, it can be seen from the drawings of this patent that this patent cannot stir the inside of the purification tank evenly during purification, resulting in a low purification efficiency. Therefore, those skilled in the art provide a crude benzene purification device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a crude benzene purification device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A crude benzene purification device comprises a purification tank and a feed pipe symmetrically arranged on the upper surface of the purification tank, wherein a purification cylinder is arranged inside the purification tank, and a stirring motor is installed at the lower end of the purification tank, a driving end of the stirring motor is sealed and connected with a rotating shaft inside the purification cylinder, stirring rods are symmetrically arranged on both sides of the rotating shaft, a heating jacket is arranged outside the purification cylinder inside the purification tank, and a heat-conducting jacket is arranged inside the heating jacket outside the purification cylinder;

[0008] A connecting pipe is connected to one side of the purification tank, one end of the connecting pipe is connected to a cooling cylinder, a condenser is arranged inside the cooling cylinder, and a water pump is installed outside the cooling cylinder, the water outlet end of the water pump is connected to a connecting pipe, the lower end of the connecting pipe passes through the upper surface of the connecting pipe and is connected to a water outlet pipe inside the connecting pipe, and the lower end of the water outlet pipe is connected to a nozzle.

[0009] As a further solution of the utility model: heating tubes are symmetrically arranged inside the heating sleeve, and electric heating wires are arranged inside the heating tubes.

[0010] As a further solution of the utility model: heat-conducting rods are symmetrically arranged on the inner side of the heat-conducting sleeve, and one end of the heat-conducting rods passes through the outside of the purification cylinder and is staggered with the heat-conducting rods in the interior of the purification cylinder.

[0011] As a further solution of the utility model: the stirring rod is arranged in a cylindrical shape on the outside of the rotating shaft, and at least ten stirring rods are symmetrically arranged on the outside of the rotating shaft.

[0012] As a further solution of the utility model: one end of the condenser tube penetrates into the interior of the purification tube, and the other end of the condenser tube penetrates the lower end of the cooling tube, and the condenser tube is arranged in an "S" shape inside the cooling tube.

[0013] As a further solution of the utility model: a through hole is provided at the connection between the upper surface of the cooling cylinder and the connecting pipe, and at least ten nozzles are symmetrically arranged on the lower surface of the water outlet pipe.

[0014] As a further solution of the utility model: a refrigeration fin is further arranged on the inner side of the cooling cylinder, the cold end of the refrigeration fin is arranged inside the cooling cylinder, and the hot end of the refrigeration fin is arranged outside the cooling cylinder.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. A crude benzene purification device is provided. The heating tube inside the heating sleeve is electrically heated, and the heat can be transferred to the inside of the purification cylinder through the heat-conducting sleeve and the heat-conducting rod, so that the crude benzene inside the purification cylinder can be heated and evaporated. At the same time, the stirring rod outside the rotating shaft can be rotated by the operation of the stirring motor, so that the crude benzene can be heated evenly, thereby improving its purification efficiency. The device has a simple structure and is easy to operate. It can effectively improve the purification efficiency of the crude benzene and has good practicality.

[0017] 2. Crude benzene purification device, the steam purified by crude benzene can be condensed and recovered through the condenser, and the cooling water inside the cooling cylinder can be allowed to enter the water outlet pipe through the connecting pipe by the operation of the water pump, and finally sprayed to the condenser through the nozzle to pre-cool the condenser. At the same time, the cooling water inside the cooling cylinder can be cooled by the refrigeration plate, so as to achieve the purpose of recycling and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a crude benzene purification device;

[0019] Figure 2It is a schematic diagram of the internal structure of the purification tank in the crude benzene purification device;

[0020] Figure 3 It is a schematic diagram of the internal structure of the cooling cylinder in the crude benzene purification device;

[0021] Figure 4 This is a schematic diagram of the structure of the nozzle in the crude benzene purification device.

[0022] In the figure: 1. purification tank; 11. feed pipe; 2. stirring motor; 21. rotating shaft; 22. stirring rod; 23. purification cylinder; 3. cooling cylinder; 31. connecting pipe; 32. through hole; 4. water pump; 41. connecting pipe; 411. water outlet pipe; 412. nozzle; 5. condenser; 6. heating jacket; 61. heating tube; 62. heat transfer jacket; 63. heat transfer rod. DETAILED DESCRIPTION

[0023] See also Figures 1 to 4 In the embodiment of the utility model, the crude benzene purification device includes a purification tank 1 and a feeding pipe 11 symmetrically arranged on the upper surface of the purification tank 1, a purification cylinder 23 is arranged inside the purification tank 1, and a stirring motor 2 is installed at the lower end of the purification tank 1, the driving end of the stirring motor 2 is sealed and connected with a rotating shaft 21 inside the purification cylinder 23, and stirring rods 22 are symmetrically arranged on both sides of the rotating shaft 21, a heating sleeve 6 is arranged outside the purification cylinder 23 inside the purification tank 1, and a heat-conducting sleeve 62 is arranged on the inner side of the heating sleeve 6 outside the purification cylinder 23, and the stirring motor 2 is arranged so that the stirring rod 22 outside the rotating shaft 21 can stir the crude benzene inside the purification cylinder 23, thereby improving its purification effect, and at the same time, the heating tube 61 inside the heating sleeve 6 can be used for heating, and the heat can be transferred to the inside of the purification cylinder 23 through the heat-conducting rod 63 inside the heat-conducting sleeve 62, thereby achieving the purpose of heating and purification.

[0024] A connecting pipe 31 is connected to one side of the purification tank 1, and one end of the connecting pipe 31 is connected to the cooling cylinder 3. A condenser 5 is arranged inside the cooling cylinder 3, and a water pump 4 is installed on the outside of the cooling cylinder 3. The water outlet end of the water pump 4 is connected to a connecting pipe 41. The lower end of the connecting pipe 41 passes through the upper surface of the connecting pipe 31, and a water outlet pipe 411 is connected inside the connecting pipe 31. The lower end of the water outlet pipe 411 is connected to a nozzle 412. This arrangement utilizes the operation of the water pump 4 to draw out the cooling water inside the cooling cylinder 3, and enters the water outlet pipe 411 through the connecting pipe 41, and finally sprays out through the nozzle 412, thereby achieving the purpose of pre-cooling the condenser 5. At the same time, by arranging the condenser 5 inside the cooling cylinder 3, the purpose of efficient condensation can be achieved.

[0025] exist Figure 2 Middle: The heating sleeve 6 is symmetrically provided with heating tubes 61 inside, and the heating tubes 61 are provided with electric heating wires inside. This arrangement can achieve the purpose of electrical heating by utilizing the electric heating wires inside the heating tubes 61.

[0026] exist Figure 2 Middle: The inner side of the heat-conducting sleeve 62 is symmetrically provided with heat-conducting rods 63, one end of the heat-conducting rods 63 passes through the outside of the purification cylinder 23 and is staggered with the heat-conducting rods 63 inside the purification cylinder 23. This arrangement utilizes the heat-conducting sleeve 62 and the heat-conducting rods 63 to transfer heat to the inside of the purification cylinder 23, thereby achieving the purpose of heating and purifying the crude benzene inside the purification cylinder 23.

[0027] exist Figure 2 Middle: The stirring rod 22 is cylindrically arranged on the outside of the rotating shaft 21, and there are at least ten stirring rods 22 symmetrically arranged on the outside of the rotating shaft 21. This arrangement uses the stirring rod 22 to stir the crude benzene inside the purification cylinder 23 evenly, thereby improving its purification efficiency.

[0028] exist Figure 3 Middle: One end of the condenser 5 passes through the interior of the purification cylinder 23, and the other end of the condenser 5 passes through the lower end of the cooling cylinder 3. The condenser 5 is arranged in an "S" shape inside the cooling cylinder 3. This arrangement utilizes the condenser 5 to condense the steam extracted by heating the crude benzene, thereby achieving the purpose of efficient purification.

[0029] exist Figure 4 Middle: A through hole 32 is provided at the connection between the upper surface of the cooling cylinder 3 and the connecting pipe 31, and at least ten nozzles 412 are symmetrically arranged on the lower surface of the water outlet pipe 411. This arrangement utilizes the through hole 32 to return the pre-cooled cooling water to the interior of the cooling cylinder 3 through the through hole 32, thereby achieving the purpose of recycling.

[0030] exist Figure 4 Middle: A refrigeration fin is also arranged on the inner side of the cooling cylinder 3, the cold end of the refrigeration fin is arranged inside the cooling cylinder 3, and the hot end of the refrigeration fin is arranged outside the cooling cylinder 3. This arrangement can achieve the purpose of cooling the cooling water inside the cooling cylinder 3 by utilizing the refrigeration fin, so as to facilitate the purpose of condensing and extracting the crude benzene inside the condenser 5.

[0031] The working principle of the utility model is as follows: when the crude benzene purification device of the utility model is used, the crude benzene to be extracted is firstly fed into the interior of the purification cylinder 23 from the feed pipe 11, and after entering, the crude benzene can be heated by the heating tube 61 inside the heating sleeve 6, and the heat can be transferred to the interior of the purification cylinder 23 by the heat-conducting sleeve 62 and the heat-conducting rod 63, and after entering, the stirring motor 2 is started, so that the stirring rod 22 outside the rotating shaft 21 rotates inside the purification cylinder 23, and then the inside of the purification cylinder 23 can be heated. The crude benzene is stirred and heated evenly to improve its heating and purification efficiency. After purification, the steam will enter the condenser 5. When entering, the cooling water inside the cooling cylinder 3 can enter the water outlet pipe 411 through the connecting pipe 41 by starting the water pump 4, and finally sprayed to the condenser 5 through the nozzle 412 to achieve pre-cooling of the condenser 5. When the steam enters the condenser 5 and is cooled inside the cooling cylinder 3, the cooling water can be fully contacted with the condenser 5 to achieve the purpose of condensation ladder recovery, which has good practicality.

[0032] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A crude benzene purification device, comprising a purification tank (1) and a feed pipe (11) symmetrically arranged on the upper surface of the purification tank (1), characterized in that: A purification cylinder (23) is arranged inside the purification tank (1), and a stirring motor (2) is installed at the lower end of the purification tank (1); the driving end of the stirring motor (2) is sealedly connected to a rotating shaft (21) inside the purification cylinder (23); stirring rods (22) are symmetrically arranged on both sides of the rotating shaft (21); a heating jacket (6) is arranged outside the purification cylinder (23) inside the purification tank (1); and a heat-conducting jacket (62) is arranged on the inner side of the heating jacket (6) outside the purification cylinder (23); A connecting pipe (31) is connected to one side of the purification tank (1), one end of the connecting pipe (31) is connected to a cooling cylinder (3), a condenser (5) is arranged inside the cooling cylinder (3), and a water pump (4) is installed outside the cooling cylinder (3), the water outlet end of the water pump (4) is connected to a connecting pipe (41), the lower end of the connecting pipe (41) passes through the upper surface of the connecting pipe (31) and is connected to a water outlet pipe (411) inside the connecting pipe (31), and the lower end of the water outlet pipe (411) is connected to a nozzle (412).

2. The crude benzene purification device according to claim 1, characterized in that: The heating sleeve (6) is symmetrically provided with heating tubes (61) inside, and the heating tubes (61) are provided with electric heating wires inside.

3. The crude benzene purification device according to claim 1, characterized in that: A heat-conducting rod (63) is symmetrically arranged on the inner side of the heat-conducting sleeve (62), and one end of the heat-conducting rod (63) passes through the outside of the purification cylinder (23) and is arranged in an alternating manner with the heat-conducting rod (63) inside the purification cylinder (23).

4. The crude benzene purification device according to claim 1, characterized in that: The stirring rod (22) is arranged in a cylindrical shape on the outside of the rotating shaft (21), and at least ten stirring rods (22) are symmetrically arranged on the outside of the rotating shaft (21).

5. The crude benzene purification device according to claim 1, characterized in that: One end of the condenser tube (5) passes through the interior of the purification tube (23), and the other end of the condenser tube (5) passes through the lower end of the cooling tube (3). The condenser tube (5) is arranged in an "S" shape inside the cooling tube (3).

6. The crude benzene purification device according to claim 1, characterized in that: A through hole (32) is provided at the connection between the upper surface of the cooling cylinder (3) and the connecting pipe (31), and at least ten nozzles (412) are symmetrically arranged on the lower surface of the water outlet pipe (411).

7. The crude benzene purification device according to claim 1, characterized in that: A refrigeration fin is also arranged on the inner side of the cooling cylinder (3), the cold end of the refrigeration fin is arranged inside the cooling cylinder (3), and the hot end of the refrigeration fin is arranged outside the cooling cylinder (3).

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