阅读说明：本技术 一种化工用高效精馏塔 (Chemical efficient rectifying tower ) 是由 胥香姐 何长建 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种化工用高效精馏塔,主要是一种能够高效快速的对化工液进行冷却蒸馏的设备。包括塔体本体,还包括：化工罐,用于盛放待蒸馏的化工液,所述化工罐安装在通过加强筋固定于塔体本体一侧的固定件上,在化工罐上还设置有用于热气通入的管道接口,化工罐底部设置有用于排放化工液的阀门；以及蒸馏罐,所述蒸馏罐通过导管连通化工罐,用于将化工罐中的化工液输入其中,并对化工液进行冷却处理将化工液与混有的杂质分离；以及抽水桶,用于将设置在塔体本体下方的冷水罐中的冷水抽入并排向蒸馏罐中辅助冷却。(The invention discloses a high-efficiency rectifying tower for chemical engineering, and mainly relates to equipment capable of efficiently and quickly cooling and distilling chemical liquid. Including the tower body, still include: the chemical tank is used for containing chemical liquid to be distilled, the chemical tank is arranged on a fixing piece fixed on one side of the tower body through a reinforcing rib, a pipeline interface for introducing hot gas is further arranged on the chemical tank, and a valve for discharging the chemical liquid is arranged at the bottom of the chemical tank; the distillation tank is communicated with the chemical tank through a guide pipe and is used for inputting the chemical liquid in the chemical tank into the distillation tank and cooling the chemical liquid to separate the chemical liquid from the mixed impurities; and the water pumping barrel is used for pumping cold water in the cold water tank arranged below the tower body into the distillation tank and exhausting the cold water to the distillation tank for auxiliary cooling.)

1. The utility model provides a chemical industry is with high-efficient rectifying column, includes the tower body, its characterized in that still includes:

the chemical tank is used for containing chemical liquid to be distilled, the chemical tank is arranged on a fixing piece fixed on one side of the tower body through a reinforcing rib, a pipeline interface for introducing hot gas is further arranged on the chemical tank, and a valve for discharging the chemical liquid is arranged at the bottom of the chemical tank; and

the distillation tank is communicated with the chemical tank through a guide pipe and is used for inputting the chemical liquid in the chemical tank into the distillation tank and cooling the chemical liquid to separate the chemical liquid from the mixed impurities; and

and the water pumping barrel is used for pumping cold water in a cold water tank arranged below the tower body into the distillation tank and exhausting the cold water to the distillation tank for auxiliary cooling.

2. The high-efficiency rectification tower for the chemical industry as claimed in claim 1, wherein the pumping barrel is mounted on a mounting member fixed on the top of the tower body, and a pumping assembly is arranged on the pumping barrel and comprises a driving member mounted on the pumping barrel, an intermittent conveying mechanism connected with the driving member, and a pipe group connected with the pumping barrel.

3. The chemical efficient rectifying tower as claimed in claim 2, wherein the intermittent conveying mechanism comprises a rotating member connected with the output end of the driving member, a sealing member in sealing fit with the inner wall of the water pumping barrel, and a connecting member for connecting the sealing member and the rotating member.

4. The chemical efficient rectifying tower as claimed in claim 2, wherein the pipe set comprises a first pipe fitting for communicating the water pumping barrel and the cold water tank and a second pipe fitting for communicating the distillation tank and the water pumping barrel, and check valves are installed on the first pipe fitting and the second pipe fitting.

5. The high-efficiency distillation tower for chemical engineering as claimed in claim 4, wherein a distillation assembly is arranged in the distillation tank, the distillation assembly comprises a cooling tank fixed in the distillation tank, a partition member hermetically mounted at the lower part of the cooling tank, and a filter member arranged below the partition member for filtering the distilled chemical liquid.

6. The chemical efficient rectifying tower as claimed in claim 5, wherein the second pipe passes through the distillation tank and is wound on the outer wall of the cooling tank from top to bottom, the lower part of the cooling tank is provided with an air inlet, the upper part of the cooling tank is provided with an air outlet, and the lower opening of the second pipe is communicated with the cold water tank.

7. The chemical efficient rectifying tower as claimed in claim 6, wherein a drain pipe is connected and fixed to the bottom of the distillation tank, and a control valve is arranged in the middle of the drain pipe.

8. The chemical efficient rectifying tower as claimed in claim 2, wherein the pumping assembly is connected with a pump wheel set through a transmission mechanism, the pump wheel set comprises a pump mounted on a tower body, and the pump is communicated with the chemical tank and the distillation tank.

9. The chemical efficient rectifying tower as claimed in claim 8, wherein the transmission mechanism comprises a rotating member connected with the pumping mechanism, a wheel member connected with the rotating member and rotatably disposed on the tower body, and a transmission member for connecting the wheel member with the pump.

Technical Field

The invention relates to the field of chemical industry, in particular to a high-efficiency rectifying tower for chemical industry.

Background

The rectifying tower is a tower type vapor-liquid contact device for rectifying. By utilizing the property that each component in the mixture has different volatility, namely the vapor pressure of each component is different at the same temperature, the light component (low-boiling-point substance) in the liquid phase is transferred into the gas phase, and the heavy component (high-boiling-point substance) in the gas phase is transferred into the liquid phase, thereby realizing the purpose of separation.

The existing rectifying tower is commonly used in a plate type structure, called as a plate type tower, gas-liquid phases are generally in countercurrent contact for many times, the gas-liquid phases on each layer plate are generally in cross flow, but the efficiency is not high through the plate type structure cooling, and the cooling plate is also easily heated in the heat transfer process, so that the distillation efficiency is further reduced. .

Disclosure of Invention

Based on the defects in the prior art mentioned in the background art, the invention provides the high-efficiency rectifying tower for the chemical industry.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

the utility model provides a chemical industry is with high-efficient rectifying column, includes the tower body, still includes:

the chemical tank is used for containing chemical liquid to be distilled, the chemical tank is arranged on a fixing piece fixed on one side of the tower body through a reinforcing rib, a pipeline interface for introducing hot gas is further arranged on the chemical tank, and a valve for discharging the chemical liquid is arranged at the bottom of the chemical tank; and

the distillation tank is communicated with the chemical tank through a guide pipe and is used for inputting the chemical liquid in the chemical tank into the distillation tank and cooling the chemical liquid to separate the chemical liquid from the mixed impurities; and

and the water pumping barrel is used for pumping cold water in a cold water tank arranged below the tower body into the distillation tank and exhausting the cold water to the distillation tank for auxiliary cooling.

As a further scheme of the invention: the pumping barrel is arranged on the mounting part fixed at the top of the tower body, the pumping barrel is provided with a pumping assembly, and the pumping assembly comprises a driving part arranged on the pumping barrel, a discontinuous conveying mechanism connected with the driving part and a pipe group connected with the pumping barrel.

As a still further scheme of the invention: the intermittent conveying mechanism comprises a rotating part connected with the output end of the driving part, a sealing part in sealing fit with the inner wall of the water pumping barrel, and a connecting part used for connecting the sealing part and the rotating part.

As a still further scheme of the invention: the pipe set comprises a first pipe fitting used for communicating the water pumping barrel with the cold water tank and a second pipe fitting used for communicating the distillation tank with the water pumping barrel, and check valves are arranged on the first pipe fitting and the second pipe fitting.

As a still further scheme of the invention: the distillation tank is internally provided with a distillation assembly, and the distillation assembly comprises a cooling tank fixed in the distillation tank, a partition part hermetically mounted on the lower part of the cooling tank, and a filtering piece arranged below the partition part and used for filtering distilled chemical liquid.

As a still further scheme of the invention: the second pipe fitting penetrates through the distillation tank and is wound on the outer wall of the cooling tank from top to bottom, the lower portion of the cooling tank is provided with an air inlet, the upper portion of the cooling tank is provided with an air outlet, and the lower opening of the second pipe fitting is communicated with the cold water tank.

As a still further scheme of the invention: and the bottom of the distillation retort is communicated with and fixed with a liquid discharge pipe, and the middle section of the liquid discharge pipe is provided with a control valve.

As a still further scheme of the invention: the pumping assembly is connected with a pump wheel set through a transmission mechanism, the pump wheel set comprises a pump arranged on the tower body, and the pump is communicated with a chemical tank and a distillation tank.

As a still further scheme of the invention: the transmission mechanism comprises a rotating part connected with the pumping mechanism, a wheel part connected with the rotating part and rotatably arranged on the tower body, and a transmission part used for connecting the wheel part with the pump.

After adopting the structure, compared with the prior art, the invention has the following advantages: this distillation column passes through the power part and drives pumping assembly and drive assembly work simultaneously, and drive assembly drive pump wheel group work, and the pump wheel group will let in the volatile chemical industry liquid of steam intercommunication in the chemical industry jar and send into the retort together, and the pumping assembly is with the cold water in the cold water jar from top to bottom carry to the retort in, cool off the distillation step by step to volatile chemical industry liquid, compare in traditional multilayer column plate cooling obviously take effect faster, distillation efficiency is higher.

Drawings

Fig. 1 is a schematic structural diagram of a chemical efficient rectifying tower.

Fig. 2 is a schematic structural diagram of a tower body and a mounting member in a chemical efficient rectifying tower.

Fig. 3 is an enlarged view of a rotating member, a wheel member and a rotating member in the high-efficiency rectifying tower for chemical industry.

In the figure: 1-a tower body; 2-chemical tank; 3-a distillation pot; 4-a water pumping barrel; 5-a driving member; 6-a rotating member; 7-a connector; 8-a seal; 9-a cold water tank; 10-a cooling tank; 11-a spacer; 12-a filter element; 13-a rotating member; 14-a wheel; 15-a transmission member; 16-a pump; 17-mounting member.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-2, in an embodiment of the present invention, an efficient distillation column for chemical engineering includes a column body 1;

the chemical tank 2 is used for containing chemical liquid to be distilled, the chemical tank 2 is arranged on a fixing piece fixed on one side of the tower body 1 through a reinforcing rib, a filling port for adding the chemical liquid is formed in the chemical tank 2, a pipeline interface for introducing hot gas is further arranged on the chemical tank 2, and a valve for discharging the chemical liquid is arranged at the bottom of the chemical tank 2; and

the distillation tank 3 is communicated with the chemical tank 2 through a conduit and is used for inputting the chemical liquid in the chemical tank 2 into the distillation tank 3 and cooling the chemical liquid to separate the chemical liquid from the mixed impurities; and

and the water pumping barrel 4 is used for pumping cold water in a cold water tank 9 arranged below the tower body 1 and exhausting the cold water to the distillation tank 3 for auxiliary cooling.

As an embodiment of the invention, the water pumping barrel 4 is installed on an installation part 17 fixed on the top of the tower body 1, a pumping assembly is arranged on the water pumping barrel 4, the pumping assembly comprises a driving part 5 installed on the water pumping barrel 4, an intermittent conveying mechanism connected with the driving part 5, and a pipe group connected with the water pumping barrel 4, wherein the driving part 5 can be a power part such as an electric motor, a motor, etc., the intermittent conveying mechanism comprises a rotary part 6 connected with the output end of the driving part 5, a sealing part 8 hermetically attached to the inner wall of the water pumping barrel 4, and a connecting part 7 used for connecting the sealing part 8 with the rotary part 6, preferably, the rotary part 6 is a crankshaft, one end of the connecting part 7 is sleeved on the rotary part 6, the other end is rotatably connected to the sealing part 8, the rotary part 6 is driven to rotate by the driving part 5, and the connecting, the cold water on the cold water tank 10 is pumped to the top of the tower.

As an embodiment of the invention, the set comprises a first pipe for connecting the water suction tank 4 to the cold water tank 9 and a second pipe for connecting the distillation tank 3 to the water suction tank 4, and a check valve is mounted on both the first and second pipes, by means of which backflow during the return stroke of the seal 8 is avoided.

As an embodiment of the invention, a distillation assembly is arranged in the distillation tank 3, the distillation assembly comprises a cooling tank 10 fixed in the distillation tank 3, a partition member 11 hermetically mounted at the lower part of the cooling tank 10, and a filter member 12 arranged below the partition member 11 and used for filtering distilled chemical liquid, wherein a second pipe fitting penetrates through the distillation tank 3 and is wound on the outer wall of the cooling tank 10 from top to bottom, the lower part of the cooling tank 10 is provided with an air inlet, the upper part of the cooling tank is provided with an air outlet, the lower opening of the second pipe fitting is communicated with a cold water tank 9, hot air enters the chemical tank 2, heats the chemical liquid in the chemical tank 2 and volatilizes communicated impurities into the distillation tank 3 together, enters the chemical liquid through the air inlet at the lower part of the cooling tank 10 under the action of the partition member 11, the cooling tank 10 is cooled step by step from top to bottom by cold water discharged from the water pumping barrel 4, thereby indirectly cooling steam entering the cooling tank 10 from top, so that the impurities and the chemical liquid are separated due to liquefaction, and the separated chemical liquid drops on the filter element 12 and enters the bottom of the distillation retort 3;

further, the bottom of retort 3 communicates and is fixed with the fluid-discharge tube, and is provided with the control valve in the middle section of fluid-discharge tube, and the chemical industry liquid after filtering 12 gets into retort 3 bottom, through the pure chemical industry liquid of fluid-discharge tube discharge after opening the control valve, and during water liquid on the second pipe fitting flows back to cold water tank 10, realizes the cyclic utilization of coolant liquid.

As an embodiment of the invention, the pumping assembly is connected with a pump wheel set through a transmission mechanism, the pump wheel set comprises a pump 16 arranged on the tower body 1, the pump 16 is communicated with the chemical tank 2 and the distillation tank 3, and the pumping assembly drives the pump wheel set to work so as to pump steam in the chemical tank 2 into the distillation tank 3.

Referring to fig. 3, the transmission mechanism includes a rotating member 13 connected to the pumping mechanism, a wheel member 14 connected to the rotating member 13 and rotatably disposed on the tower body 1, and a transmission member 15 for connecting the wheel member 14 to the pump 16, preferably, the rotating member 13 is a worm, the wheel member 14 is a worm wheel engaged with the worm, the rotating member 6 in the pumping assembly drives the worm to rotate and further drives the worm wheel to rotate, and the worm wheel drives the impeller in the pump 16 to rotate through the transmission member 15, so as to implement the steam delivery operation.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.