Isobutane raw material dewatering and drying device

Abstract

The utility model discloses an isobutane raw material dehydrating and drying device, and belongs to the technical field of isobutane dehydration. The device comprises a dehydration tank, an air inlet, an air outlet, a first-stage filling layer, a second-stage filling layer, a third-stage filling layer and a drainage pipe, the air inlet is formed in the lower end of the dehydration tank, the air outlet is formed in the top end of the dehydration tank, and the first-stage filling layer, the second-stage filling layer and the third-stage filling layer are sequentially arranged in the dehydration tank from top to bottom; a heater is arranged at the lower end in the dehydration tank; through mutual cooperation of the heater, the pneumatic control valve, the PLC and the temperature sensor, the temperature in the dehydration tank and the flow speed of isobutane entering can be controlled, the dehydration rate of the isobutane is improved, and the dehydration quality is guaranteed; the sealing cover is arranged at the top end of the dehydration tank and can be detached from the top end of the dehydration tank, so that equipment in the dehydration tank can be conveniently cleaned and maintained, and the overall practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of isobutane dehydration, and in particular to an isobutane raw material dehydration and drying device. Background Art

[0002] Isobutane is an organic compound. It is a colorless flammable gas at room temperature and pressure. It is slightly soluble in water, soluble in ethanol, ether, etc., and forms an explosive mixture with air. It mainly exists in natural gas, refinery gas and cracking gas. It is obtained by physical separation and can also be obtained from n-butane by isomerization.

[0003] In the prior art, during the isobutane dehydration and drying process, the temperature and flow rate cannot be controlled, resulting in low isobutane dehydration efficiency and unsatisfactory dehydration effect. Therefore, it is necessary to provide an isobutane raw material dehydration and drying device that can solve the above problems. Utility Model Content

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an isobutane raw material dehydration and drying device, which includes a dehydration tank, an air inlet, an air outlet, a primary filling layer, a secondary filling layer, a tertiary filling layer and a drain pipe, wherein the air inlet is arranged at the lower end of the dehydration tank, the air outlet is arranged at the top of the dehydration tank, the primary filling layer, the secondary filling layer and the tertiary filling layer are arranged in sequence from top to bottom inside the dehydration tank, a heater is arranged at the lower end of the dehydration tank, the heater is arranged at the upper end of the air inlet, the heater is located at the lower end of the tertiary filling layer, an air inlet pipe is arranged at the position of the air inlet, a pneumatic regulating valve is arranged on the air inlet pipe, a drain pipe is arranged at the bottom end of the dehydration tank, the other end of the drain pipe is connected to a collecting tank, and the pneumatic regulating valve is electrically connected to a PLC controller.

[0005] Preferably, a temperature sensor is provided at the bottom of the dehydration tank, and the temperature sensor is electrically connected to the PLC controller.

[0006] Preferably, a sealing cover is provided on the top of the dehydration tank.

[0007] Preferably, a filter is provided at the position of the air inlet inside the dehydration tank.

[0008] Preferably, an overheat protection device is provided at the top of the interior of the dehydration tank, and the overheat protection device is electrically connected to the PLC controller.

[0009] Beneficial effects: Compared with the prior art, the utility model is an isobutane raw material dehydration and drying device. The utility model can control the temperature inside the dehydration tank and the flow rate of isobutane entering the dehydration tank through the cooperation of a heater, a pneumatic regulating valve, a PLC controller and a temperature sensor, thereby improving the dehydration rate of isobutane and ensuring the quality of dehydration; a sealing cover is provided at the top of the dehydration tank, which can be disassembled from the top of the dehydration tank, thereby facilitating the cleaning and maintenance of the internal equipment of the dehydration tank and improving the overall practicality; a filter is provided at the position of the air inlet, which can filter impurities and the like present in the isobutane raw material; an overheating protection is provided to prevent equipment failure or accidents caused by excessive temperature or other abnormal conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The utility model is a schematic diagram of the internal structure of an isobutane raw material dehydration and drying device.

[0011] Figure 2 The utility model is a circuit control diagram of an isobutane raw material dehydration and drying device.

[0012] In the attached drawings: 1-dehydration tank, 2-air inlet, 3-air outlet, 4-primary filling layer, 5-secondary filling layer, 6-tertiary filling layer, 7-drain pipe, 8-heater, 9-air inlet pipe, 10-pneumatic regulating valve, 12-collecting tank, 13-PLC controller, 14-temperature sensor, 15-sealing cover, 16-filter, 17-overheating protection. DETAILED DESCRIPTION

[0013] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0014] Example

[0015] Please refer to the attached drawings of the specification. In the embodiment of the utility model, an isobutane raw material dehydration and drying device is provided, which includes a dehydration tank 1, an air inlet 2, an air outlet 3, a primary filling layer 4, a secondary filling layer 5, a tertiary filling layer 6 and a drain pipe 7. The air inlet 2 is arranged at the lower end of the dehydration tank 1, and the air outlet 3 is arranged at the top of the dehydration tank 1. The primary filling layer 4, the secondary filling layer 5 and the tertiary filling layer 6 are sequentially arranged from top to bottom inside the dehydration tank 1. The primary filling layer 4, the secondary filling layer 5 and the tertiary filling layer 6 are all made of water-absorbing material, and can perform multi-stage water absorption treatment inside the dehydration tank. The lower part of the dehydration tank 1 is provided with a water-absorbing material. A heater 8 is provided at the end, and the heater 8 is provided at the upper end of the air inlet 2. The heater 8 is located at the lower end of the third filling layer 5. An air inlet pipe 9 is provided at the position of the air inlet 2, and a pneumatic regulating valve 10 is provided on the air inlet pipe 9. The pneumatic regulating valve 10 is electrically connected to the PLC controller 13. The setting of the pneumatic regulating valve 10 can adjust the ventilation flow rate as needed to improve the dehydration effect; a drain pipe 7 is provided at the bottom end of the dehydration tank 1, and the other end of the drain pipe 7 is connected to a collecting tank 12; a temperature sensor 14 is provided at the bottom end of the dehydration tank 1, and the temperature sensor 14 is electrically connected to the PLC controller 13.

[0016] In the above embodiment, by arranging a heater inside the dehydration tank, the inside of the dehydration tank can be heated as needed; and the setting of the temperature sensor can monitor the temperature inside the dehydration tank in real time, thereby improving the overall flexibility;

[0017] A sealing cover 15 is provided at the top of the dehydration tank 1 .

[0018] In the above embodiment, by providing a sealing cover at the top of the dehydration tank, the top of the dehydration tank can be disassembled, which is convenient for maintenance and cleaning of the interior of the dehydration tank;

[0019] A filter 16 is provided at the position of the air inlet 2 inside the dehydration tank 1 .

[0020] In the above embodiment, the filter is provided to clean the impurities or particles in the isobutane raw material;

[0021] An overheat protection device 17 is provided at the top of the dehydration tank 1, and the overheat protection device 17 is electrically connected to the PLC controller 13;

[0022] In the above embodiment, by providing the overheat protection 17, the safety of the entire device can be protected.

[0023] In summary, the utility model can control the temperature inside the dehydration tank and the flow rate of isobutane entering the dehydration tank by cooperating with the heater, the pneumatic regulating valve, the PLC controller and the temperature sensor, thereby improving the dehydration rate of isobutane and ensuring the quality of dehydration; by providing a sealing cover at the top of the dehydration tank, the sealing cover can be disassembled from the top of the dehydration tank, which is convenient for cleaning and maintenance of the internal equipment of the dehydration tank, thereby improving the overall practicality; by providing a filter at the position of the air inlet, the filter can filter impurities and the like present in the isobutane raw material; by providing an overheating protection, it is possible to prevent equipment failure or accidents caused by excessive temperature or other abnormal conditions.

[0024] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model. These should also be regarded as the protection scope of the utility model. These will not affect the effect of the implementation of the utility model and the practicality of the patent.

[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. In the description of the present invention, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, the meaning of "multiple" is two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. An isobutane raw material dehydration and drying device, characterized in that: The dehydration tank (1) comprises an air inlet (2), an air outlet (3), a primary filling layer (4), a secondary filling layer (5), a tertiary filling layer (6) and a drainage pipe (7), wherein the air inlet (2) is arranged at the lower end of the dehydration tank (1), the air outlet (3) is arranged at the top of the dehydration tank (1), the primary filling layer (4), the secondary filling layer (5) and the tertiary filling layer (6) are arranged in sequence from top to bottom inside the dehydration tank (1), and the lower end of the dehydration tank (1) is provided with a A heater (8), wherein the heater (8) is arranged at the upper end of the air inlet (2), the heater (8) is located at the lower end of the third filling layer (6), an air inlet pipe (9) is arranged at the position of the air inlet (2), a pneumatic regulating valve (10) is arranged on the air inlet pipe (9), a drain pipe (7) is arranged at the bottom end of the dehydration tank (1), the other end of the drain pipe (7) is connected to a collecting tank (12), and the pneumatic regulating valve (10) is electrically connected to a PLC controller (13).

2. The isobutane raw material dehydration and drying device according to claim 1, characterized in that: A temperature sensor (14) is provided at the bottom of the dehydration tank (1), and the temperature sensor (14) is electrically connected to the PLC controller (13).

3. The isobutane raw material dehydration and drying device according to claim 1, characterized in that: The top of the dehydration tank (1) is provided with a sealing cover (15).

4. The isobutane raw material dehydration and drying device according to claim 1, characterized in that: A filter (16) is provided at the position of the air inlet (2) inside the dehydration tank (1).

5. The isobutane raw material dehydration and drying device according to claim 1, characterized in that: An overheat protection device (17) is provided at the top of the dehydration tank (1), and the overheat protection device (17) is electrically connected to the PLC controller (13).

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