CN218686444U - Rectifying tower and mixed hydrocarbon rectifying device - Google Patents

Abstract

The utility model provides a rectifying column and hydrocarbon mixture rectifier unit belongs to rectifying column technical field. The rectifying tower comprises a rectifying tower component and a material circulating component. The utility model discloses a heating device, including circulating line, bottom material, the feeding chute that starts rectifying column subassembly and heats, restart driving motor, driving motor drives the propeller blade rotation, the material of circulating line bottom is along with propeller blade's rotation send into the circulating line upper end, the outside material of circulating line is in the entering circulating line of the feeding chute through even setting, the peripheral material homoenergetic of circulating line gets into the cycle work through the feeding chute, along with going on of this cycle work, make bottom material and the material on upper portion circulate, the heating process of the rectifying column subassembly of being convenient for is more even, it is slower to reduce to keep away from heating pipe department material heating, the not convenient for uniform heating, improve the condition of the efficiency of rectification, and then material is in the state of stewing when the heating in the effective improvement rectifying column among the correlation technique, the problem of the not convenient for material uniform heating.

Description

Rectifying tower and mixed hydrocarbon rectifying device

Technical Field

The utility model relates to a rectifying column field particularly, relates to a rectifying column and hydrocarbon mixture rectifier unit.

Background

The rectifying tower is a tower type vapor-liquid contact device for rectifying, and utilizes the property that each component in a mixture has different volatility, namely the vapor pressure of each component is different at the same temperature, so that light components (low-boiling-point substances) in a liquid phase are transferred into a gas phase, and heavy components (high-boiling-point substances) in the gas phase are transferred into the liquid phase, thereby realizing the purpose of separation. In the publication of: CN209348145U discloses a chemical industry rectifying column, including the rectifying column body, the bottom fixedly connected with fixed plate on rectifying column body surface, the bottom fixedly connected with treater of fixed plate inner wall, the first warning light of both sides difference fixedly connected with and the second warning light of fixed plate surface, the left side fixedly connected with heating cabinet of rectifying column body, the right side fixedly connected with heating pipe of heating cabinet, the right side of heating pipe run through to the inner chamber of rectifying column body and with the inner wall fixed connection of rectifying column body, the left bottom fixedly connected with temperature sensor of rectifying column body inner wall, the top and the equal fixedly connected with stainless steel mesh filler in bottom of rectifying column body inner wall, be provided with the rectifying still between two stainless steel mesh fillers, the inner wall fixed connection of rectifying still and rectifying column body.

Rectifying column carries out the heating rectification of the inside material of rectifying column body through the heating pipe in the above-mentioned patent, and when the heating pipe heated the material, because the material was in the state of the heating of stewing, the material heating that is close to heating pipe department is very fast, and keeps away from heating pipe department material heating slower, and the even heating of being not convenient for improves the efficiency of rectification.

How to invent a rectifying tower and a mixed hydrocarbon rectifying device to improve the problems becomes a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a rectifying column and hydrocarbon mixture rectifier unit aims at improving in the correlation technique material in the rectifying column and is in the state of stewing when the heating, the problem of the even heating of material of being not convenient for.

The utility model discloses a realize like this:

in a first aspect, a rectification column in accordance with an embodiment of the present application includes a rectification column assembly and a material circulation assembly.

The material circulation subassembly includes driving motor, propeller blade and circulating line, driving motor fixed connection in rectifying tower subassembly bottom outer wall, the driving motor output extends into in the rectifying tower subassembly, propeller blade fixed connection in the driving motor output, circulating line fixed connection in rectifying tower subassembly bottom inner wall, propeller blade is located in the circulating line, the feed chute has evenly been seted up to the circulating line lower extreme.

In a specific embodiment, the outer wall of the circulating pipeline is uniformly provided with a reinforcing rod, and the other end of the reinforcing rod is fixedly connected to the inner wall of the rectifying tower assembly.

In a specific embodiment, the rectifying column subassembly includes tower body, heater and flange installation pipe, the flange installation pipe fixed communicate in the tower body, heater fixed connection in the flange installation pipe, heater one end is passed extend into behind the flange installation pipe in the tower body, the orientation of circulating line upper end the heater.

In a specific embodiment, a support frame is fixedly connected to the bottom end of the tower body.

In a specific embodiment, the support frame comprises support legs and a connecting rod, the support legs are fixedly connected to the periphery of the bottom end of the tower body, and the support legs are fixedly connected through the connecting rod.

In a specific embodiment, the driving motor is fixedly connected to the outer wall of the bottom end of the tower body through a connecting piece.

In a specific implementation scheme, the connecting member includes a screw rod and a compression nut, the screw rod is uniformly and fixedly connected to the periphery of the bottom end of the tower body, the screw rod penetrates through the driving motor, the compression nut is sleeved on the screw rod in a threaded manner, and the compression nut is compressed on the driving motor.

In a specific embodiment, a first sealing ring is compressed between the driving motor and the outer wall of the bottom end of the tower body.

In a specific embodiment, a second seal is compressed between the heater and the flange mounting tube.

In a second aspect, a mixed hydrocarbon rectification apparatus according to an embodiment of the present application includes a rectification column, a heat exchanging section, and a reflux section;

the middle part of the rectifying tower component is connected with the feed pipe, and the upper end of the rectifying tower component is connected with one end of the gas phase pipe;

the heat exchange part comprises a preheater and a cooler, the tube side of the preheater is communicated with the feeding pipe, the shell side of the preheater is communicated with the tube side of the cooler through the gas-phase pipe in sequence, and the shell side of the cooler is communicated with circulating water cooling equipment;

the reflux portion includes backward flow jar, backwash pump, fluid-discharge tube, back flow and conveyer pipe, the other end of gaseous phase pipe connect in the backward flow jar, the one end of fluid-discharge tube connect in the diapire of backward flow jar, the other end connect in the import of backwash pump, the one end of back flow with the one end of conveyer pipe connect respectively in the export of backwash pump, the other end of back flow connect in the upper end side of rectifying column subassembly, the other end of conveyer pipe connects in the liquefied petroleum gas storage tank.

The beneficial effect of this application is: when rectification is carried out, materials are added into the rectification tower assembly, the rectification tower assembly is started to heat, a driving motor is started again, the driving motor drives the propeller blades to rotate, the materials at the bottom end of the circulating pipeline are conveyed into the upper end of the circulating pipeline along with the rotation of the propeller blades, the materials outside the circulating pipeline enter the circulating pipeline through the uniformly arranged feeding grooves, the materials on the periphery of the circulating pipeline can enter the circulating work through the feeding grooves, along with the proceeding of the circulating work, the materials on the bottom and the upper portion can circulate, the heating process of the rectification tower assembly is more uniform, the problem that the materials far away from the heating pipe are heated more slowly is reduced, uniform heating is not facilitated, the efficiency of rectification is improved, and the problem that the materials in the rectification tower in the related technology are in a standing state when heated and are uniformly heated is solved.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings which are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

FIG. 1 is a schematic diagram of a rectification column according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a material circulation assembly according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a rectification column assembly according to an embodiment of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 3 according to the embodiment of the present invention;

fig. 5 is an enlarged schematic structural view of a portion B in fig. 3 according to an embodiment of the present invention;

fig. 6 is an enlarged schematic structural diagram of a point C in fig. 3 according to an embodiment of the present invention.

In the figure: 100-a rectifying column assembly; 110-a tower body; 120-a heater; 130-flange mounting pipe; 140-a support frame; 141-legs; 142-a connecting rod; 150-a connector; 151-screw; 152-a compression nut; 160-a first seal ring; 170-a second seal ring; 200-a material circulation assembly; 210-a drive motor; 220-propeller blades; 230-a circulation conduit; 240-a feed chute; 250-reinforcing rods.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, the present invention provides a rectifying tower, which includes a rectifying tower assembly 100 and a material circulation assembly 200.

Referring to fig. 2, the material circulation assembly 200 includes a driving motor 210, a propeller blade 220 and a circulation pipe 230, the driving motor 210 is fixedly connected to the outer wall of the bottom end of the rectifying tower assembly 100, the output end of the driving motor 210 extends into the rectifying tower assembly 100, the propeller blade 220 is fixedly connected to the output end of the driving motor 210, the circulation pipe 230 is fixedly connected to the inner wall of the bottom end of the rectifying tower assembly 100, the propeller blade 220 is located in the circulation pipe 230, and the lower end of the circulation pipe 230 is uniformly provided with a feeding groove 240. When rectification is performed, materials are added into the rectification tower assembly 100, the rectification tower assembly 100 is started to heat, the driving motor 210 is started again, the driving motor 210 drives the propeller blades 220 to rotate, the materials at the bottom end of the circulating pipeline 230 are sent into the upper end of the circulating pipeline 230 along with the rotation of the propeller blades 220, the materials outside the circulating pipeline 230 enter the circulating pipeline 230 through the uniformly arranged feeding grooves 240, the materials at the periphery of the circulating pipeline 230 can enter the circulating work through the feeding grooves 240, along with the circulating work, the materials at the bottom and the upper portion can circulate, the heating process of the rectification tower assembly 100 is more uniform, the heating of the materials far away from the heating pipes is slower, uniform heating is inconvenient, the rectification efficiency is improved, and the problem that the materials in the rectification tower in the related technology are in a standing state during heating is effectively solved, and the uniform heating of the materials is inconvenient. Reinforcing rods 250 are uniformly arranged on the outer wall of the circulating pipeline 230, and the other ends of the reinforcing rods 250 are fixedly connected to the inner wall of the rectifying tower assembly 100. The reinforcing rod 250 reinforces the circulation duct 230, thereby reducing deformation of the circulation duct 230.

Referring to fig. 3, the rectifying tower assembly 100 includes a tower body 110, a heater 120 and a flange mounting pipe 130, wherein the flange mounting pipe 130 is fixedly connected to the tower body 110, the heater 120 is fixedly connected to the flange mounting pipe 130, and preferably, the heater 120 is fixedly connected to the flange mounting pipe 130 by bolts. One end of the heater 120 passes through the flange mounting pipe 130 and then extends into the tower body 110, and the upper end of the circulating pipe 230 faces the heater 120. After the material is added into the tower body 110, the material is heated by the heater 120, and the material flowing out of the circulating pipeline 230 is sent to the heater 120, so that the material is uniformly heated. When the heater 120 needs to be replaced, the bolts attached to the heater 120 are removed, and the heater 120 can be drawn out and replaced.

Referring to fig. 4, a supporting frame 140 is fixedly connected to a bottom end of the tower body 110. The support frame 140 includes a leg 141 and a connecting rod 142, the leg 141 is fixedly connected to the periphery of the bottom end of the tower body 110, and the legs 141 are fixedly connected to each other through the connecting rod 142. The strength of the individual legs 141 is reinforced by the connecting rods 142, and the tower body 110 is supported by the legs 141.

Referring to fig. 5, the driving motor 210 is fixedly connected to an outer wall of the bottom end of the tower body 110 through the connection member 150. The connecting member 150 includes a screw 151 and a compression nut 152, the screw 151 is uniformly and fixedly connected to the periphery of the bottom end of the tower body 110, the screw 151 passes through the driving motor 210, the compression nut 152 is sleeved on the screw 151 in a threaded manner, and the compression nut 152 is compressed on the driving motor 210. When the driving motor 210 is installed, the screw 151 penetrates through the driving motor 210, the compression nut 152 is screwed into the screw 151, the compression nut 152 gradually compresses the driving motor 210 along with the screwing of the compression nut 152, the purpose of fixing the driving motor 210 is further achieved, and the driving motor 210 is a waterproof motor. A first sealing ring 160 is compressed between the driving motor 210 and the outer wall of the bottom end of the tower body 110. The sealing performance of the connection between the driving motor 210 and the tower body 110 is enhanced by the first sealing ring 160.

Referring to fig. 6, a second packing 170 is compressed between the heater 120 and the flange installation tube 130. The sealing property at the junction of the heater 120 and the flange mounting pipe 130 is enhanced by the second packing 170.

The utility model also provides a mixed hydrocarbon rectifying device, which comprises a rectifying tower, a heat exchanging part and a reflux part; the middle part of the rectifying tower component 100 is connected with a feed pipe, and the upper end of the rectifying tower component 100 is connected with one end of a gas phase pipe; the heat exchange part comprises a preheater and a cooler, the tube side of the preheater is communicated with the feeding pipe, the shell side of the preheater is communicated with the tube side of the cooler through a gas phase tube in sequence, and the shell side of the cooler is communicated with circulating water cooling equipment; the backward flow portion includes backward flow jar, backwash pump, fluid-discharge tube, back flow and conveyer pipe, and the other end of gaseous phase pipe is connected in the backward flow jar, and the one end of fluid-discharge tube is connected in the diapire of backward flow jar, and the other end is connected in the import of backwash pump, and the one end of back flow and the one end of conveyer pipe are connected respectively in the export of backwash pump, and the other end of back flow is connected in the upper end side of rectifying column subassembly 100, and the other end of conveyer pipe is connected in the liquefied petroleum gas storage tank. The mixed hydrocarbon rectifying device can be a mixed hydrocarbon rectifying device disclosed in the publication number CN212833624U, and mixed hydrocarbon raw materials containing multiple components enter the tower body 110 through a feeding pipe and receive heat transferred by a reboiler at the bottom of the tower body 110. The light components in the raw materials are gasified and rise upwards to the gas phase tube; the light components pass through the shell side of the preheater and the tube side of the cooler in sequence and reach the reflux tank. In the above process, the heat of the light component is firstly transferred to the mixed hydrocarbon raw material in the tube pass of the preheater, so that the mixed hydrocarbon raw material is firstly heated without entering the tower body 110, and simultaneously the temperature of the light component is also reduced, which is beneficial to partial condensation of the light component, and when the light component flows through the tube pass of the cooler, the light component is further condensed, and the condensate enters the reflux tank and reaches the reflux pump through the liquid discharge pipe; a part of the condensate pumped out by the reflux pump flows back into the rectifying tower body through the reflux pipe, so that the composition percentage of light components on a tower tray of the rectifying section is kept stable; the other part is used as a finished product and reaches the liquefied petroleum gas storage tank through a conveying pipe.

Specifically, the working principle of the rectifying tower and the mixed hydrocarbon rectifying device is as follows: when rectification is performed, the material is added into the tower body 110, the heater 120 is started to heat, the driving motor 210 is started again, the driving motor 210 drives the propeller blades 220 to rotate, the material at the bottom end of the circulating pipeline 230 is sent into the upper end of the circulating pipeline 230 along with the rotation of the propeller blades 220, the material outside the circulating pipeline 230 enters the circulating pipeline 230 through the uniformly arranged feeding grooves 240, the material at the periphery of the circulating pipeline 230 can enter the circulating work through the feeding grooves 240, along with the proceeding of the circulating work, the material at the bottom and the material at the upper part can circulate, the heating process of the rectifying tower assembly 100 is more uniform, the material at the position far away from the heating pipe is heated slowly, uniform heating is not facilitated, the efficiency of rectification is improved, and the material in the rectifying tower in the related technology is in a standing state during heating, and the problem of uniform heating of the material is not facilitated.

It should be noted that the specific model specifications of the heater 120 and the driving motor 210 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so details are not needed, and the power supply and the principle of the heater 120 and the driving motor 210 are clear to those skilled in the art, and are not described in detail herein.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A rectifying tower is characterized by comprising

A rectifying column assembly;

the material circulation subassembly, the material circulation subassembly includes driving motor, propeller blade and circulating line, driving motor fixed connection in rectification tower subassembly bottom outer wall, the driving motor output extends into in the rectification tower subassembly, propeller blade fixed connection in the driving motor output, circulating line fixed connection in rectification tower subassembly bottom inner wall, propeller blade is located in the circulating line, the feed chute has evenly been seted up to the circulating line lower extreme.

2. The rectifying tower according to claim 1, wherein reinforcing rods are uniformly arranged on the outer wall of the circulating pipeline, and the other ends of the reinforcing rods are fixedly connected to the inner wall of the rectifying tower assembly.

3. The rectifying tower according to claim 1, wherein the rectifying tower assembly comprises a tower body, a heater and a flange mounting pipe, the flange mounting pipe is fixedly communicated with the tower body, the heater is fixedly connected to the flange mounting pipe, one end of the heater penetrates through the flange mounting pipe and then extends into the tower body, and the upper end of the circulating pipeline faces the heater.

4. A rectifying tower according to claim 3, characterized in that the bottom end of the tower body is fixedly connected with a support frame.

5. A rectifying tower according to claim 4, characterized in that the supporting frame comprises supporting legs and connecting rods, the supporting legs are fixedly connected to the periphery of the bottom end of the tower body, and the supporting legs are fixedly connected with each other through the connecting rods.

6. A rectifying tower according to claim 3, characterized in that the driving motor is fixedly connected to the outer wall of the bottom end of the tower body through a connecting member.

7. The rectifying tower according to claim 6, wherein the connecting member comprises a screw rod and a compression nut, the screw rod is uniformly and fixedly connected to the periphery of the bottom end of the tower body, the screw rod penetrates through the driving motor, the compression nut is sleeved on the screw rod in a threaded manner, and the compression nut is compressed on the driving motor.

8. A rectifying tower according to claim 3, characterized in that a first sealing ring is compressed between the driving motor and the outer wall of the bottom end of the tower body.

9. A rectification column as claimed in claim 3, wherein a second gasket is compressed between said heater and said flange-mounted tube.

10. A mixed hydrocarbon rectification plant comprising the rectification column as claimed in any one of claims 1 to 9, further comprising a heat exchange portion and a reflux portion;

the middle part of the rectifying tower component is connected with a feeding pipe, and the upper end of the rectifying tower component is connected with one end of a gas phase pipe;

the heat exchange part comprises a preheater and a cooler, the tube side of the preheater is communicated with the feeding pipe, the shell side of the preheater is communicated with the tube side of the cooler through the gas-phase pipe in sequence, and the shell side of the cooler is communicated with circulating water cooling equipment;

the reflux portion includes backward flow jar, backwash pump, fluid-discharge tube, back flow and conveyer pipe, the other end of gaseous phase pipe connect in the backward flow jar, the one end of fluid-discharge tube connect in the diapire of backward flow jar, the other end connect in the import of backwash pump, the one end of back flow with the one end of conveyer pipe connect respectively in the export of backwash pump, the other end of back flow connect in the upper end side of rectifying column subassembly, the other end of conveyer pipe connects in the liquefied petroleum gas storage tank.

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