Crude phenol refining device

Abstract

The utility model discloses a crude phenol refining device, which comprises a crude phenol tank, a dehydrating tower, a heavy component removal tower, a condenser, a light component removal tower, a rectifying tower and a cresol tank, the crude phenol tank is fixed on the ground, a delivery pump is arranged on one side of the crude phenol tank, an outlet of the delivery pump is connected with the upper part of the dehydrating tower through a valve and a pipeline, the condenser is arranged above the dehydrating tower, and the rectifying tower is arranged above the condensing tower. The bottom of the dehydrating tower is connected with the upper part of the heavy component removal tower through a pipeline, a condenser is arranged above the heavy component removal tower, the heavy component removal tower is connected with the light component removal tower, the light component removal tower is connected with the rectifying tower, a condenser is arranged above the light component removal tower and the rectifying tower, a discharge pipe is arranged above the rectifying tower, a communicating pipe is arranged on one side of the light component removal tower and is connected with the heat exchanger, and the heat exchanger is connected with the heat exchanger. A feed port of the heat exchanger is connected with a pump through a pipeline, an inlet of the pump is connected with a cresol tank, the cresol tank is fixed on the ground, and circulating pumps are arranged on one side of the crude phenol tank and one side of the cresol tank. The device is reasonable in design; the cresol tank is designed to directly convey the raw materials to the light component removal tower, so that the treatment capacity of the light component removal tower is improved.

Description

Technical Field

[0001] The utility model relates to a crude phenol refining device. Background Art

[0002] At present, the refining of crude phenol is mainly based on slag phenol. Due to the high moisture content and large amount of residue, when the dehydration tower and the heavy-removal tower are running at maximum load, the feed of the light-removal tower is basically maintained at around 2.2 cubic meters (the maximum feed can maintain 3 cubic meters), and there is still processing margin in the light-removal tower and subsequent towers, which often results in a waste of resources. Utility Model Content

[0003] The utility model aims to provide a crude phenol refining device to solve the above technical problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A crude phenol refining device comprises a crude phenol tank, a dehydration tower, a weight removal tower, a condenser, a light removal tower, a distillation tower and a cresol tank. The crude phenol tank is fixed on the ground, a delivery pump is arranged on one side of the crude phenol tank, the outlet of the delivery pump is connected to the top of the dehydration tower via a valve and a pipeline, a condenser is arranged on the top of the dehydration tower, the bottom of the dehydration tower is connected to the top of the weight removal tower via a pipeline, a condenser is arranged on the top of the weight removal tower, the weight removal tower is connected to the light removal tower, the light removal tower is connected to the distillation tower, a condenser is arranged on the top of the light removal tower and the distillation tower, a discharge pipe is arranged on the top of the distillation tower, a connecting pipe is arranged on one side of the light removal tower, the connecting pipe is connected to a heat exchanger, the feed port of the heat exchanger is connected to a pump via a pipeline, the inlet of the pump is connected to the cresol tank, the cresol tank is fixed on the ground, and a circulation pump is arranged on one side of the crude phenol tank and the cresol tank.

[0006] Preferably, the circulating pump circulates and transports the refrigerant.

[0007] Preferably, the crude phenol tank has the same structure as the cresol tank. The crude phenol tank is a double-layer design. A coil is provided in the cavity of the crude phenol tank. The coil, the crude phenol tank and the cresol tank are made of iron material. A guide rod is installed in the crude phenol tank. The top of the guide rod is a bent design. The tank cover on the top of the crude phenol tank is slidably connected to the guide rod.

[0008] Preferably, a plurality of circular holes are opened above the guide rod, the bending part of the guide rod is located above the tank cover, the circular holes are located in the crude phenol tank, the spring is connected to the bending part of the guide rod, and the guide rod is hollow in design.

[0009] Compared with the prior art, the utility model has the following advantages: the utility model has a reasonable design; the circulation pump and the coil at the crude phenol tank and the cresol tank can cool down the crude phenol tank and the cresol tank when the temperature is high; the heat exchanger can increase the temperature of the cresol discharged from the cresol tank to facilitate the subsequent light removal operation, and a connecting pipe is added to directly transport a part of the cresol to the light removal tower, which increases the processing capacity of the light removal tower without affecting the refining of crude phenol and saves resources; the tank cover can move up and down under the action of the guide rod, so that the amount of raw materials in the crude phenol tank and the cresol tank can be understood according to the height of the tank cover, and the guide rod can perform ventilation at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the crude phenol refining device of the utility model.

[0011] Figure 2 It is a cross-sectional view of a crude phenol tank of the crude phenol refining device of the utility model.

[0012] Figure 3 It is a partial schematic diagram of the guide rod of the crude phenol refining device of the utility model. DETAILED DESCRIPTION

[0013] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0014] like Figure 1-3 As shown, a crude phenol refining device comprises a crude phenol tank 1, a dehydration tower 2, a deweighting tower 3, a condenser 4, a lightness removal tower 5, a distillation tower 6, and a cresol tank 7. The crude phenol tank 1 is fixed on the ground, a delivery pump is arranged on one side of the crude phenol tank 1, and the outlet of the delivery pump is connected to the top of the dehydration tower 2 through a valve and a pipeline. A condenser 4 is arranged on the top of the dehydration tower 2. The bottom of the dehydration tower 2 is connected to the top of the deweighting tower 3 through a pipeline. A condenser 4 is arranged on the top of the deweighting tower 3. The deweighting tower 3 is connected to the lightness removal tower 5, and the lightness removal tower 5 is connected to the distillation tower 6. Condensers are arranged on the lightness removal tower 5 and the distillation tower 6. A discharge pipe is arranged on the top of the distillation tower 6. A connecting pipe 9 is arranged on one side of the lightness removal tower 5. The connecting pipe 9 is connected to the heat exchanger 8. The feed port of the heat exchanger 8 is connected to the pump through a pipeline. The inlet of the pump is connected to the cresol tank 7, and the cresol tank 7 is fixed on the ground. A circulation pump 10 is provided on one side of the crude phenol tank 1 and the cresol tank 7. The circulation pump 10 circulates and transports the refrigerant. The crude phenol tank 1 has the same structure as the cresol tank 7. The crude phenol tank 1 is a double-layer design. A coil 11 is provided in the cavity of the crude phenol tank 1. The coil 11, the crude phenol tank 1 and the cresol tank 7 are made of iron material. A guide rod 12 is installed in the crude phenol tank 1. The top of the guide rod 12 is a bent design. The tank cover on the top of the crude phenol tank 1 is slidably connected to the guide rod 12. A plurality of circular holes 13 are opened above the guide rod 12. The bending part of the guide rod 12 is located above the tank cover. The circular hole 13 is located in the crude phenol tank 1. The spring 14 is connected to the bending of the guide rod 12. The guide rod 12 is a hollow design.

[0015] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A crude phenol refining device, comprising a crude phenol tank (1), a dehydration tower (2), a deweighting tower (3), a condenser (4), a lightness removing tower (5), a distillation tower (6), and a cresol tank (7), characterized in that: The crude phenol tank (1) is fixed on the ground. A delivery pump is provided on one side of the crude phenol tank (1). The outlet of the delivery pump is connected to the top of the dehydration tower (2) via a valve and a pipeline. A condenser (4) is provided on the top of the dehydration tower (2). The bottom of the dehydration tower (2) is connected to the top of the deweight removal tower (3) via a pipeline. A condenser (4) is provided on the top of the deweight removal tower (3). The deweight removal tower (3) is connected to the lightness removal tower (5). The lightness removal tower (5) is connected to the distillation tower (6). Condensers are provided on the tops of the lightness removal tower (5) and the distillation tower (6). A discharge pipe is provided on the top of the distillation tower (6). A connecting pipe (9) is provided on one side of the lightness removal tower (5). The connecting pipe (9) is connected to the heat exchanger (8). The feed port of the heat exchanger (8) is connected to the pump via a pipeline. The inlet of the pump is connected to the cresol tank (7). The cresol tank (7) is fixed on the ground. A circulation pump (10) is provided on one side of the crude phenol tank (1) and the cresol tank (7).

2. A crude phenol refining device according to claim 1, characterized in that: The circulation pump (10) circulates and transports the refrigerant.

3. A crude phenol refining device according to claim 1, characterized in that: The crude phenol tank (1) and the cresol tank (7) have the same structure. The crude phenol tank (1) is of double-layer design. A coil (11) is arranged in the cavity of the crude phenol tank (1). The coil (11), the crude phenol tank (1) and the cresol tank (7) are made of iron material. A guide rod (12) is installed in the crude phenol tank (1). The top of the guide rod (12) is of bent design. The tank cover at the top of the crude phenol tank (1) is slidably connected to the guide rod (12).

4. A crude phenol refining device according to claim 3, characterized in that: A plurality of circular holes (13) are provided above the guide rod (12); the bend of the guide rod (12) is located above the tank cover; the circular holes (13) are located in the crude phenol tank (1); the spring (14) is connected to the bend of the guide rod (12); and the guide rod (12) is of hollow design.

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